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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 43. Отображено 43.
14-07-2023 дата публикации

Near-infrared compound with aggregation-induced emission characteristic as well as preparation method and application of near-infrared compound

Номер: CN116425736A
Автор: TANG BENZHONG, ZHENG ZHENG, LAM WING YIP
Принадлежит:

The invention discloses a near-infrared compound with aggregation-induced emission property and a preparation method and three-photon biological imaging application thereof. The near-infrared compound has the advantages of high-brightness near-infrared emission, excellent near-infrared three-photon absorption performance and large Stokes shift. The method can be used for large-depth and high-resolution three-photon fluorescence biological imaging of mouse brain blood vessels. The material synthesized by the invention shows the property of aggregation-induced emission, while the traditional fluorescent dye has the phenomenon of aggregation-induced fluorescence quenching under the condition of high concentration, so that the defects of the traditional fluorescent dye are effectively overcome.

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Номер записи: 1
30-05-2023 дата публикации

Immunodetection method based on aggregation-induced emission microspheres and magnetic separation technology

Номер: CN116183909A
Автор: WANG ZHIMING, TANG BENZHONG, HU YAXIN, FU HAIHAI, XIE LI, LIU YONG, CHENG SONG
Принадлежит:

The invention discloses an immunodetection method based on aggregation-induced emission microspheres and a magnetic separation technology. The method comprises the following steps: mixing an antibody-1 labeled aggregation-induced emission microsphere solution and an antibody-2 labeled magnetic microsphere solution, adding an antigen-containing solution to be detected, measuring a fluorescence signal value, and obtaining the concentration of the antigen in the solution to be detected according to a standard curve. According to the invention, a luminous microsphere filled with aggregation-induced emission (AIE) molecules modified by carboxylic acid is used as a signal output element, is modified by a recognition antibody and then is compounded with a magnetic microsphere carrier modified by a corresponding antibody, and selective recognition of a marker is realized by using a double-antibody sandwich method or a competition method; a corresponding relation is formed between the measurement ...

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Номер записи: 2
14-07-2023 дата публикации

Near-infrared photothermal response nano-particles capable of inducing immunogenic death and preparation method of near-infrared photothermal response nano-particles

Номер: CN116421723A
Автор: TANG BENZHONG, QIN ANJUN, HU RONG, ZHANG GUIQUAN
Принадлежит:

The invention discloses a near-infrared photothermal response nano-particle capable of inducing immunogenic death and a preparation method of the near-infrared photothermal response nano-particle. The preparation method comprises the following steps: mixing near-infrared photothermal molecules, activated alkyne, phosphatidylcholine compounds, distearoyl phosphatidyl ethanolamine-polyethylene glycol, tetrahydrofuran, trichloromethane and water to obtain a mixed solution; and sequentially carrying out ultrasonic treatment on the mixed solution, removing tetrahydrofuran and trichloromethane, and filtering to obtain the near-infrared photothermal response nanoparticles capable of inducing immunogenic death. The preparation method disclosed by the invention is simple, convenient and high in practicability, and the obtained nanoparticles have very good stability. Under the irradiation of near-infrared laser, photo-thermal molecules convert light energy into heat energy, so that activated alkyne ...

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Номер записи: 3
03-05-2018 дата публикации

NARROW-RANGE POLYACETYLENE ESTER COMPOUND AND PREPARATION METHOD THEREFOR

Номер: WO2018076595A1
Автор: TANG, Benzhong, SONG, Bo, QIN, Anjun, ZHAO, Zujin, HU, Rongrong
Принадлежит:

A narrow-range polyacetylene ester compound and a preparation method therefor. The narrow-range polyacetylene ester compound has a structural formula as represented by formula (I). The preparation method comprises: in atmospheric carbon dioxide environment, a bifunctional alkyne monomer, carbon dioxide, and a dihalide monomer perform polymerization reaction by means of a combined action of a catalyzer and alkali, dissolve the product into an organic solvent, then add same to a precipitant for precipitation, collect precipitates, and dry same to the constant weight to obtain the narrow-range polyacetylene ester compound. The preparation method for the polyacetylene ester compound is implemented in atmospheric carbon dioxide environment, and carbon dioxide participates in forming of a polymer as a monomer. The obtained narrow-range polyacetylene ester compound has good thermal stability and excellent processability. Due to introduction of an aggregation-induced emission group, some polymers ...

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Номер записи: 4
18-04-2023 дата публикации

Hydroponic method with nutrient solution buffer system and hydroponic device

Номер: CN115968765A
Автор: TANG BENZHONG, GUO FENG, CHEN WEICAI, LIU YONG, WANG ZHIMING, YAN XIAODONG
Принадлежит:

The invention discloses a hydroponic method with a nutrient solution buffer system and a hydroponic device. The water culture method comprises the following steps: placing seeds on the surface of mineral rock in a planting device, adding water into a nutrition pool, and culturing until a second true leaf grows from a plant; the particle size of the mineral rock is 1-6 mm; adding a nutrient solution and culturing until the plant grows a fourth true leaf; a culture solution with the EC of 0.4-0.6 is added for culture in the first week, a culture solution with the EC of 0.6-0.8 is added for culture in the second week, a culture solution with the EC of 1.0-1.2 is added for culture in the third week, and then a culture solution with the EC of 1.4-1.6 is added for culture. The concentration of nutrient elements in the nutrient solution is effectively adjusted and buffered, the concentration of the nutrient solution is accurately controlled, and the competitive relationship between plant growth ...

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Номер записи: 5
16-05-2023 дата публикации

Organic semiconductor material containing pyrazine as well as preparation method and application of organic semiconductor material

Номер: CN116120293A
Автор: TANG BENZHONG, WANG ZHIMING, CHEN TAO
Принадлежит:

The invention belongs to the technical field of organic photoelectric functional materials, and discloses a pyrazine-containing dark blue light and near ultraviolet light organic semiconductor material as well as a preparation method and application thereof. The structure of the pyrazine-containing organic semiconductor material is shown in the specification, and Ar1 and Ar2 are weak electron-donating groups. According to the invention, a weak electron-donating group is connected to pyrazine to regulate and control the photophysical properties of pyrazine derivatives, so that the organic semiconductor material has a relatively high triplet state energy level in a solid state. The organic semiconductor material prepared by the invention can be used as a guest material and a host material of a luminescent layer; the energy level structure of the material has good regulation and control characteristics, so that the electron/hole transmission capability of the material is balanced, the simplification ...

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Номер записи: 6
04-07-2023 дата публикации

Organic electroluminescent material based on indolo-spiral acridine and application of organic electroluminescent material in OLED (Organic Light Emitting Diode)

Номер: CN116375708A
Автор: ZHAO ZUJIN, TANG BENZHONG, HAO GUOXIA
Принадлежит:

The invention discloses an organic electroluminescent material based on indolo-spiroacridine and application of the organic electroluminescent material in an OLED (Organic Light Emitting Diode), and relates to the technical field of organic electroluminescent materials. According to the invention, a compound taking indolo-spiroacridine as a core is used as an organic electroluminescent material, and the material has hRISC and NUV emission characteristics at the same time. The organic electroluminescent material is simple in synthesis method, the raw materials are easy to obtain, the yield is high, and the obtained material is stable in structure and easy to store. The organic light-emitting diodes (OLEDs) device prepared from the organic light-emitting material disclosed by the invention has relatively high light-emitting property.

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Номер записи: 7
07-04-2023 дата публикации

Chiral polypropargyl amine compound as well as preparation method and application thereof

Номер: CN115926087A
Автор: TANG BENZHONG, HU RONGRONG, LIN HUA, QIN ANJUN, ZHAO ZUJIN
Принадлежит:

The invention belongs to the technical field of chiral polymers, and provides a chiral polypropargyl amine compound, in the structural general formula, R1-R10 are independently phenyl, benzophenone element, triphenylamine element, o-tolyl, 1-naphthyl or alkoxy phenyl; n is any integer from 2 to 4000; the wavy lines represent omitted repeated polymer chain segments; and the star number represents that the carbon atom has certain stereoselectivity. The invention also provides a preparation method and application of the chiral polypropargyl amine compound. According to the method disclosed by the invention, the chiral poly-propargyl amine compound is prepared with high yield by taking a monomer which does not have a chiral center as a reaction substrate, so that the problems of high temperature, large feeding amount of a metal catalyst, lack of chiral polymer structures and the like in the prior art are effectively solved; according to the preparation method disclosed by the invention, a substrate ...

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Номер записи: 8
18-07-2023 дата публикации

Acrylamide fluorescent material based on aggregation-induced emission, immunohistochemical staining kit and application thereof

Номер: CN116444424A
Автор: TANG BENZHONG, MA XIAOFENG, LIU YONG, WANG ZHIMING, LI YAWEI, LIU CHONG
Принадлежит:

The invention discloses a tyrosine fluorescent material based on aggregation-induced emission, an immunohistochemical staining kit and application of the tyrosine fluorescent material. The structural formula of the tyrosine fluorescent material based on aggregation-induced emission is shown in the specification. The immunohistochemical staining kit comprises the tyrosine fluorescent material based on aggregation-induced emission. The immunohistochemical staining comprises immunohistochemical staining based on avidin-biotin and immunohistochemical staining based on an indirect method. The AIE tyramine fluorescent compound is used for immunofluorescent staining through a signal amplification technology of tyramine marked with an AIE fluorophore and a staining kit of the AIE tyramine fluorescent compound, so that the phenomenon of non-specific staining possibly caused by an existing tyramine fluorescence immunohistochemical technology can be solved, a target signal at a target antigen is enhanced ...

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Номер записи: 9
06-06-2023 дата публикации

Acid-induced in-situ generated luminous cation free radical probe as well as preparation and application thereof

Номер: CN116217321A
Автор: TANG BENZHONG, GAO MENG, DAI SHUHUI
Принадлежит:

The invention belongs to the technical field of medical materials, and discloses an acid-induced in-situ generated luminous cation free radical probe as well as preparation and application thereof. The light-emitting cation free radical probe is obtained by oxidizing a compound shown in a formula I under an acidic condition, and the structure of the light-emitting cation free radical probe is shown in a formula II. The invention also discloses a preparation method of the luminous cation free radical probe. The cation free radical probe is generated through an in-situ reaction in an acid environment, does not need to be separated, has the advantages of red-to-near-infrared luminescence, high generation efficiency and good stability, and can be used for fluorescence imaging. The cation free radical probe provided by the invention can realize in-situ imaging and gastrointestinal tract imaging in a stomach acidic environment. The probe disclosed by the invention is also used for preparing a ...

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Номер записи: 10
23-06-2023 дата публикации

Trans-quinacridone compound as well as preparation method and application thereof

Номер: CN116283989A
Автор: ZHAO ZUJIN, TANG BENZHONG, ZHUANG NING
Принадлежит:

The invention belongs to the technical field of organic light-emitting materials, and particularly discloses a trans-quinacridone compound as well as a preparation method and application thereof. The preparation method comprises the following steps: reacting 2, 5-dibromoterephthalic acid diethyl ester with a carbazole compound in an inert atmosphere to obtain an intermediate product 1; carrying out hydrolysis reaction on the intermediate product 1 and a sodium hydroxide solution to obtain an intermediate product 2; finally, the intermediate product 2 is subjected to a reaction with trifluoroacetic acid and trifluoroacetic anhydride, and the trans-quinacridone compound is obtained. The compound provided by the invention can reduce the energy gap of molecules and realize red luminescence; the molecules have high color purity, high quantum efficiency and more red-shift emission compared with the same kind; the molecule can be applied to vacuum evaporation, realizes efficient and stable electroluminescence ...

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Номер записи: 11
03-08-2017 дата публикации

HIGH-POLYMER VESICLE CONTAINING AGGREGATION-INDUCED EMISSION MOLECULES AS WELL AS PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

Номер: WO2017128921A1
Автор: WANG, Linge, LI, Weichang, QIN, Anjun, TANG, Benzhong, PAN, Lingxiang
Принадлежит:

The present invention belongs to the field of high-polymer materials. Disclosed are a high-polymer vesicle containing aggregation-induced emission molecules, a preparation method therefor and an application thereof. The high-polymer vesicle is mainly formed by means of self-assembly of the aggregation-induced emission molecules and amphiphilic block copolymers; an outer layer and an inner layer of a high-polymer vesicle film are hydrophilic layers, each hydrophilic layer is formed by hydrophilic chain sections in the amphiphilic block copolymers, and a film intermediate layer between the outer layer and the inner layer is formed by hydrophobic chain sections in the amphiphilic block copolymers as well as the aggregation-induced emission molecules. The high-polymer vesicle according to the present invention has a high fluorescence intensity and can meet different fluorescent staining requirements. The preparation method for the present invention is simple and feasible, and at the same time ...

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Номер записи: 12
15-08-2019 дата публикации

PHOTO-ACTIVATED AGGREGATION-INDUCED EMISSION PROBE HAVING IN SITU GENERATION CAPABILITIES, PREPARATION THEREOF AND APPLICATION THEREOF

Номер: WO2019153789A1
Автор: TANG, Benzhong, GAO, Meng, LI, Shiwu
Принадлежит:

The present invention relates to the technical field of biological imaging, and disclosed thereby are a photo-activated aggregation-induced emission probe having in situ generation capabilities, a preparation thereof and an application thereof. The preparation method comprises: reacting a bis(2-(2-hydroxybenzylidene)amino)aryl disulfide compound with a thiol to obtain a photo-activated aggregation-induced emission probe, being represented by structural formula III. The present invention concentrates the photo-activated aggregation-induced emission probe into a specific organelle to generate, by means of a photo-oxidation reaction, a 2-(2-hydroxyphenyl)benzothiazole compound having the property of aggregation-induced emission. The photo-activated aggregation-induced emission probe generated in situ described in the present invention may effectively overcome the defects of traditional fluorescent dyes of aggregation-induced quenching, and achieve specific photo-activated fluorescence imaging ...

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Номер записи: 13
01-03-2018 дата публикации

COMPOSITE FIBER WITH AGGREGATION-INDUCED EMISSION MOLECULE AND MANUFACTURING METHOD AND APPLICATION THEREOF

Номер: WO2018036021A1
Автор: WANG, Linge, ZHU, Yue, LI, Weichang, JIA, Yifan, QIN, Anjun, TANG, Benzhong, PAN, Lingxiang
Принадлежит:

The invention belongs to the field of polymeric materials and discloses a composite fiber with an aggregation-induced emission (AIE) molecule and a manufacturing method and application thereof. The composite fiber is prepared by: adding the AIE molecule to a solution of the polymeric material or a solution of the polymeric material and a carrier; evenly mixing the resulting solution; and performing an electrostatic spinning process. The composite fiber with the AIE molecule of the invention has a large variety of AIE molecules and a high fluorescence intensity, and can meet different fluorescent staining requirements. The advantages of the manufacturing method of the invention include simplicity, high production efficiency, good reproducibility, and the like. The composite fiber with the AIE molecule of the invention can be used in the fields of cellular positioning imaging, fiber microscopic structure examination, fiber drug loading, and the like.

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Номер записи: 14
03-10-2019 дата публикации

METHOD FOR DETECTING MECHANICAL RESPONSE OF MECHANICAL PARTS BY UTILIZING ORGANIC MECHANOLUMINESCENT MATERIAL

Номер: WO2019184040A1
Автор: ZHANG, Zhe, TANG, Benzhong, CHEN, Xu, QIU, Zijie, ZHAO, Weijun
Принадлежит:

A method for detecting the mechanical response of mechanical parts by utilizing an organic mechanoluminescent material, the method comprising selecting an organic mechanoluminescent material and preparing an organic mechanoluminescent material solution; evenly coating the organic mechanoluminescent material solution on a surface of a metal sample, and heating to form a film; calibrating fluorescence intensity, using an ultraviolet light as an excitation light source to irradiate the organic mechanoluminescent material film on a surface of a gauge length of a metal tensile sample, using a detection device to collect fluorescence intensity data on the organic mechanoluminescent material film, and establishing correlation data between the fluorescence intensity and stress/strain intensity; detecting actual mechanical parts, performing a comparison analysis with fluorescence intensity sample data, and determining the magnitude and distribution of stress/strain received by the parts according ...

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Номер записи: 15
30-06-2023 дата публикации

Pure organic room-temperature phosphorescent material with phenanthridone structure as well as preparation method and application of pure organic room-temperature phosphorescent material

Номер: CN116354882A
Автор: TANG BENZHONG, WANG DELIANG, XIONG YU, ZHAO ZHENG
Принадлежит:

The pure organic room-temperature phosphorescent material with long luminous life and relatively high luminous efficiency is obtained by simply constructing a pi-conjugated structure of a phenanthridone structure; the design principle has the advantages of simplicity and universality; the pure organic room-temperature phosphorescent material disclosed by the invention is long in luminous life and high in luminous efficiency, the existing construction elements are enriched, and the regulation and control of the luminous property can be realized by introducing substituent groups with different push-pull structures; the preparation method disclosed by the invention is simple, the raw materials are cheap and easy to obtain, the reaction steps are few, the reaction conditions are mild, the yield is higher, and industrialization is easy to realize; the preparation method provided by the invention is favorable for introducing a push-pull electronic functional group into a main core structure, ...

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Номер записи: 16
24-10-2019 дата публикации

ORGANIC ELECTROLUMINESCENT MATERIAL CONTAINING CARBONYL GROUP, AND APPLICATION THEREOF TO OLED

Номер: WO2019200875A1
Автор: TANG, Benzhong, ZHAO, Zujin, LIU, Huijun, QIN, Anjun, HU, Rongrong, WANG, Zhiming
Принадлежит:

The present invention relates to the technical field of organic photoelectric materials. Disclosed are an organic electroluminescent material containing a carbonyl group, and an application thereof to an OLED. The organic electroluminescent material containing a carbonyl group has a structure represented by formula I or formula II. In formula I, R1 is different from R2. In formula II, R1' is different from R2; R1, R1', and R2 are different aromatic ring derivative electron-donating groups, respectively; R1 and R1' are electron-donating groups of a hole transport host material or electron-donating groups of a bipolar transport host material. The luminescent material of the present invention is an organic electroluminescent material based on a derivative in which a host material and a benzoyl group are combined, and has AIE and delayed fluorescence characteristics, as well as high solid-state lighting efficiency, high utilization of electrical excitation excitons, and bipolarity. An organic ...

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Номер записи: 17
06-06-2023 дата публикации

Preparation method and application of water-soluble near-infrared AIE polymer nanoparticles

Номер: CN116218515A
Автор: TANG BENZHONG, BAN XINCHAO, LIN JIANHUI, WANG ZHIMING, LIU YONG, GONG WANJUN
Принадлежит:

The invention discloses a preparation method and application of water-soluble near-infrared AIE polymer nanoparticles. The preparation method comprises the following steps: dissolving AIE molecules and a water-soluble high-molecular polymer in a volatile organic solvent which is mutually soluble with water to obtain an organic phase solution; and adding the organic phase solution into a deionized water solution under ultrasonic and mixing stirring conditions at room temperature, removing the volatile organic solvent under dark and ventilated conditions after ultrasonic treatment is finished to obtain an AIE polymer nanoparticle solution, and filtering to obtain the water-soluble near-infrared AIE polymer nanoparticle. The prepared water-soluble near-infrared AIE polymer nanoparticles have the advantages of uniform particle size, good light stability, good repeatability, large-scale production and the like, and have good application prospects in the field of biological living body fluorescence ...

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Номер записи: 18
04-05-2017 дата публикации

COMPOUND I AND COMPOUND II, PREPARATION METHOD FOR BOTH, AND APPLICATIONS THEREOF

Номер: WO2017071398A1
Автор: TANG, Benzhong, WANG, Zhiming, ZHAO, Zujin, QIN, Anjun, ZHANG, Xiaojuan, YU, Dawei
Принадлежит:

Provided are compound I and compound II, a preparation method for both, and applications thereof. By introducing different substituent structures at an Ar site, implemented is the regulation of the light emission colors and efficiency of the compounds. This effectively contains loss in efficiency of the compounds in a solid-state and implements a high fluorescent quantum yield in aqueous conditions. By selecting different amino carboxylic acid structures as reactants, different carboxylic acid structures are introduced at an N1 benzene ring site, and various carboxylic acid-derived structures are prepared by means of appropriate methods, thus increasing the molecular compatibility and recognition capability of the compound structures. With compound I and compound II serving as a category of novel probe structures, phenanthrene imidazole carboxylic acid and carboxylic acid derivatives are capable of freely entering and exiting cells and selectively recognizing and imaging with respect to ...

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Номер записи: 19
23-06-2023 дата публикации

Method for detecting bacteria

Номер: CN116297358A
Автор: TANG BENZHONG, HE LIU, GONG WANJUN, WANG ZHIMING, LIU YONG
Принадлежит:

The invention discloses a method for detecting bacteria. The method comprises the following steps: mixing an MASPB fluorescent probe with a to-be-detected solution containing bacteria, and standing to obtain a mixed solution; detecting the type or concentration of bacteria in the to-be-detected solution by using the mixed solution under ultraviolet light; the bacteria are at least one of gram-positive bacteria and gram-negative bacteria; the structure of the MASPB fluorescent probe is as follows: the MASPB fluorescent probe has different binding sites with different strains, different bacteria can be distinguished by naked eyes and on the cellular level, gram-positive bacteria and gram-negative bacteria can be rapidly and accurately distinguished, the fluorescence intensity and the bacterial quantity have a good linear relationship, and the fluorescence intensity and the bacterial quantity can be accurately detected. The concentration of bacteria can be detected, and the practicability ...

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Номер записи: 20
25-04-2023 дата публикации

Triphenyl ethylene derivative and organic electroluminescent device containing same

Номер: CN116003269A
Автор: TANG BENZHONG, LYU CHENXI, LIANG XIAOTONG, LIU YONG, WANG ZHIMING, ZENG JIEKUN, LI CHUNYAN
Принадлежит:

The invention discloses a triphenyl ethylene derivative and an organic electroluminescent device containing the same. The structural general formula of the triphenyl ethylene derivative is as shown in formula (1). The triphenyl ethylene derivative is used as a light-emitting material of the organic light-emitting device, the prepared organic light-emitting device has high light-emitting efficiency and low driving voltage, and a high-doping-proportion process can be realized without reducing the efficiency of the device.

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Номер записи: 21
16-03-2017 дата публикации

COMPOUND BASED ON META-LINKED BIHYDRAZINOAZINE STRUCTURE AND PREPARATION METHOD AND USE THEREOF

Номер: WO2017041642A1
Автор: TANG, Benzhong, WANG, Zhiming, ZHAO, Zujin, QIN, Anjun, WANG, Jing, LI, Xiaodong
Принадлежит:

Provided is a compound based on a meta-linked bihydrazinoazine structure and a preparation method and a use thereof. The compound can be used as a red probe and has an excellent aggregation-induced luminescence property, and can be used for the selective quantitative identification of the metal ions under water system conditions; the use of the variation of the pushing-withdrawing electronic ability of the substituent groups achieves the effective red-shift of the solid-state fluorescence and the adjustment of the alcohol ketone ratio of such ESET-type molecules, the ion selectivity and the detection limit, and such red fluorescent probes have important uses and significance in the fields of chemical sensing, biological analysis, ion detection and the like.

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Номер записи: 22
13-06-2023 дата публикации

Amido enamine compound as well as preparation method and application thereof

Номер: CN116253659A
Автор: TANG BENZHONG, CHEN JIE, QIN ANJUN
Принадлежит:

The invention discloses an amido enamine compound and a preparation method and application thereof, and the preparation method comprises the following steps: mixing an imidazoline compound, water, an activated alkyne compound and an organic solvent, and stirring for reaction to obtain the amido enamine compound. The preparation method does not need to use a catalyst, the raw materials are simple and easy to obtain, the reaction conditions are mild and simple, the operation is safe, the atom utilization rate is high, the tolerance to functional groups is good, and the preparation method is suitable for preparing amido enamine compounds containing various substituent groups. The amido enamine compound prepared by the invention has good biocompatibility and non-traditional luminescence property, and has a good application prospect in the aspects of fluorescent probes and biological imaging.

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Номер записи: 23
23-06-2023 дата публикации

Polyenamine compound containing cyclic/linear structure as well as preparation method and application of polyenamine compound

Номер: CN116284763A
Автор: TANG BENZHONG, CHEN JIE, QIN ANJUN
Принадлежит:

The invention discloses a polyenamine compound containing a cyclic/linear structure and a preparation method and application thereof, and the preparation method comprises the following steps: carrying out polymerization reaction on a binary alkynyl compound and an imidazoline compound in a solvent to obtain the polyenamine compound containing the cyclic/linear structure. According to the preparation method, the content of the cyclic structure and the linear structure in the main chain of the polymer can be controlled through the organic solvent and water, conditions are mild and simple, monomers are simple and easy to obtain, and the polymer is high in yield, high in molecular weight, high in atom economy and excellent in regioselectivity. The polyenamine compound containing the cyclic/linear structure has the advantages of excellent processability, excellent film-forming property, high thermal stability, non-traditional luminescence property and the like.

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Номер записи: 24
01-08-2023 дата публикации

Environment-friendly porous material with precious metal enrichment function as well as preparation method and application of environment-friendly porous material

Номер: CN116515072A
Автор: TANG BENZHONG, LI BO, LIU YONG, WANG ZHIMING, CHEN WEICAI
Принадлежит:

The invention discloses an environment-friendly porous material with a precious metal enrichment function as well as a preparation method and application of the environment-friendly porous material. The environment-friendly porous material is a solvent-free polyurethane foaming material, and the preparation method comprises the following steps: reacting p-phenylene diisocyanate with polytetrahydrofuran glycol to obtain a prepolymer, adding a mixture of a chain extender, a foaming agent and a catalyst, stirring at a high speed, pouring into a tank, and standing at room temperature to obtain the solvent-free polyurethane foaming material. The solvent-free polyurethane foam material prepared by the method can effectively enrich trace precious metals with the content of 1ppb in wastewater, and the enrichment rate of Au < + > and Ag < + > precious metals can reach 60% or above. The polyurethane foaming material provided by the invention provides conditions for constructing a recovery system ...

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Номер записи: 25
18-07-2023 дата публикации

Preparation method of selenium-containing compound and selenium-containing polymer as well as products and application of selenium-containing compound and selenium-containing polymer

Номер: CN116444798A
Автор: TANG BENZHONG, HU RONGRONG, XU SHUANGSHUANG
Принадлежит:

The invention discloses a preparation method of a selenium-containing compound and a selenium-containing polymer as well as products and application of the selenium-containing compound and the selenium-containing polymer. According to the method, under the condition of alkali induction, poly (1, 2, 4-selenadiazole), a poly (imino selenourea) compound and imino selenourea small molecules are respectively prepared by changing reaction atmosphere and raw materials. The method is mild in reaction condition, simple to operate, green, economical, energy-saving and environment-friendly, and has the characteristics of high reaction efficiency, high atom economy and high regioselectivity. Moreover, the synthesized poly (1, 2, 4-selenadiazole) and poly (imino selenourea) compound has good thermal stability. The poly (1, 2, 4-selenadiazole) compound has a good film-forming property and a relatively high refractive index, and has potential application values in the fields of optics and photoelectrons ...

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Номер записи: 26
16-05-2023 дата публикации

Carboxyl-modified silicon-coated aggregation-induced emission polymer microsphere and preparation method thereof

Номер: CN116120916A
Автор: TANG BENZHONG, WEI SHUWEI, HU YAXIN, WANG ZHIMING, LIU YONG, FU HAIHAI, LU QIULING, XIE LI, XU YUE
Принадлежит:

The invention discloses a carboxyl-modified silicon-coated aggregation-induced emission (AIE) polymer microsphere and a preparation method thereof. The microsphere comprises an AIE polymer microsphere and a carboxyl-modified silicon coating layer, wherein the carboxyl-modified silicon coating layer is positioned on the surface of the AIE polymer microsphere; the AIE polymer microspheres comprise polymer base spheres and AIE molecules, and the AIE molecules are located in the polymer base spheres. The preparation method comprises the following steps: preparing AIE polymer microspheres by using a seed swelling method; coating the AIE polymer microspheres by using a silicon source monomer to prepare silicon-coated AIE polymer microspheres; and carrying out carboxyl modification on the surface of the silicon-coated AIE polymer microsphere to obtain the microsphere. The prepared fluorescent microspheres are high in fluorescence stability, uniform in particle size and convenient to modify. Meanwhile ...

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Номер записи: 27
04-08-2023 дата публикации

Fluorescent gelatin hydrogel and preparation method thereof

Номер: CN116535689A
Автор: XIE SHENG, CHENG YAO, ZENG ZEBING, ZHANG YANG, TANG BENZHONG
Принадлежит:

The invention provides fluorescent luminous gelatin hydrogel and a preparation method thereof.The preparation method comprises the following steps that S1, tetrazole modified tetraphenyl ethylene molecules TPE-TAs are dissolved in a water phase or an alcohol phase or a PBS buffer solution and then mixed with a gelatin protein solution, and a fluorescent protein compound precursor solution is obtained; and S2, pouring the precursor solution into a preset mold, and refrigerating at the temperature of-22 DEG C to generate gelatinization, so as to obtain the fluorescent luminous gelatin hydrogel. The fluorescent luminous gelatin hydrogel is high in fluorescence intensity, and the quantum yield is 26%.

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Номер записи: 28
21-04-2023 дата публикации

Near-infrared two-region luminescent compound, aggregate and preparation method and application of near-infrared two-region luminescent compound and aggregate

Номер: CN115991713A
Автор: TANG BENZHONG, ZHAO ZHENG, ZHANG RONGYUAN
Принадлежит:

The invention belongs to the field of biomedical materials, and discloses an organic near-infrared two-region luminescent material based on a pyrrolo [2, 3-b: 4, 5-b '] diindole derivative, a preparation method of the organic near-infrared two-region luminescent material and an application of the organic near-infrared two-region luminescent material in a kidney transplantation operation. According to the invention, a nine-ring pyrrole derivative is used as an electron donating group and is combined with 2-(5, 6-difluoro-3-oxo-2, 3-dihydro-1H-indene-1-subunit) malononitrile with strong electron withdrawing capability to design an organic near-infrared two-region molecule with an A-D-A structure, and then the organic near-infrared two-region molecule with an A-D-A structure is simply polymerized, so that the organic near-infrared two-region molecule with an A-D-A structure is obtained. And the AIE aggregate DIPT-ICF Aggs with both near-infrared two-region absorption and emission are obtained ...

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Номер записи: 29
05-05-2023 дата публикации

Probe for imaging beta-amyloid protein and inhibiting beta-amyloid protein aggregation

Номер: CN116063295A
Автор: TANG BENZHONG, ZHANG TIANFU, LAM WING YIP
Принадлежит:

The invention relates to an aggregation-induced emission molecule for imaging beta-amyloid protein and inhibiting aggregation of beta-amyloid protein, a probe containing the aggregation-induced emission molecule, and a use and preparation method of a derivative of the probe.

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Номер записи: 30
23-06-2023 дата публикации

Acridone compound as well as preparation method and application thereof

Номер: CN116283981A
Автор: ZHAO ZUJIN, TANG BENZHONG, ZHUANG NING
Принадлежит:

The invention belongs to the technical field of organic light-emitting materials, and particularly discloses an acridone compound as well as a preparation method and application thereof. The preparation method comprises the following steps: reacting 4-bromo-2-fluoromethyl benzoate with a carbazole compound to obtain an intermediate product 1; then carrying out hydrolysis reaction with a sodium hydroxide solution to obtain an intermediate product 2; then mixing with trifluoroacetic acid and trifluoroacetic anhydride for reaction to obtain an intermediate product 3; and finally, reacting with an electron donor to obtain the acridone compound. The acridone compound prepared by the invention can be used as a light-emitting object of an OLED (Organic Light Emitting Diode), and nitrogen atoms introduced to an electron acceptor part can weaken the electron withdrawing effect of carbonyl and generate a blue-shift spectrum. According to the present invention, the reverse intersystem crossing ability ...

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Номер записи: 31
23-06-2023 дата публикации

Method for rapidly detecting bacterial concentration

Номер: CN116297359A
Автор: TANG BENZHONG, HE LIU, GONG WANJUN, WANG ZHIMING, LIU YONG
Принадлежит:

The invention discloses a method for rapidly detecting bacterial concentration. The method comprises the following steps: mixing a Car-py fluorescent probe with a to-be-detected solution containing bacteria, and standing to obtain a mixed solution; detecting the fluorescence intensity of the mixed solution under ultraviolet light to obtain the concentration of bacteria; the structure of the CAR-py fluorescent probe is as follows: based on the aggregation-induced emission characteristic caused by combination of the AIE fluorescent probe (CAR-py) and various bacteria, the CAR-py fluorescent probe has sensitive fluorescent response to the bacteria, has high aggregation luminous efficiency and good light stability, the fluorescence intensity is in direct proportion to the quantity of the bacteria, and the detection process is simple to operate, does not need a bacterial culture stage, is short in time consumption, and is suitable for large-scale popularization and application. The method has ...

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Номер записи: 32
04-07-2023 дата публикации

Method for forming Janus nanoparticles by regulating and controlling aggregation state and position of embedded molecules in organic nanoparticles

Номер: CN116370630A
Автор: TANG BENZHONG, NI ZHIQIANG, FENG GUANGXUE
Принадлежит:

The invention belongs to the technical field of particle morphology regulation and control, and discloses a method for forming Janus nanoparticles by regulating and controlling the aggregation state and position of embedded molecules in organic nanoparticles. The method comprises the following steps: mixing organic photo-thermal molecules, a polylactic acid-glycolic acid copolymer and dichloromethane to obtain a dichloromethane mixed solution; polyvinyl alcohol and water are mixed and then subjected to heat preservation, and a polyvinyl alcohol solution is obtained; the preparation method comprises the following steps: ultrasonically mixing a dichloromethane mixed solution and a polyvinyl alcohol solution, stirring to remove dichloromethane, centrifuging, and washing to obtain the Janus nanoparticles. The method disclosed by the invention has a good Janus-likeNPs balling effect on organic molecules with different structures and oleic acid modified nano Fe3O4, is good in stability, is expected ...

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Номер записи: 33
04-04-2023 дата публикации

Aggregation-induced emission light conversion material as well as preparation method and application thereof

Номер: CN115895095A
Автор: TANG BENZHONG, CHEN WEICAI, LIU YONG, WANG ZHIMING, GUO FENG
Принадлежит:

The invention discloses an aggregation-induced emission light conversion material as well as a preparation method and application thereof, and belongs to the technical field of light conversion materials. The aggregation-induced emission light conversion material comprises AIE molecules and a matrix material. The AIE light conversion master batch is obtained by mixing AIE molecules and a base material and then carrying out mixing, extrusion and grain-sized dicing; and mixing the AIE light conversion master batch and the matrix material, and then carrying out film blowing or injection molding to obtain the aggregation-induced emission light conversion material. The aggregation-induced emission light conversion material can be effectively excited within the range of 365-550 nm, the emission spectrum is wider, the light conversion efficiency is higher, and the aggregation-induced emission light conversion material has a great application prospect as a light conversion agricultural film in ...

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Номер записи: 34
05-05-2023 дата публикации

Occult blood appearing reagent based on aggregation-induced emission molecules as well as preparation method and application of occult blood appearing reagent

Номер: CN116067926A
Автор: TANG BENZHONG, YIN CHUNGUANG, HAO BIN, LIU YONG, WANG ZHIMING, XIE SHENG, LI CHUNYAN
Принадлежит:

The invention relates to an occult blood appearing reagent based on aggregation-induced emission molecules as well as a preparation method and application of the occult blood appearing reagent. The occult blood appearing reagent prepared by the invention consists of a reagent A and a reagent B, wherein the reagent A contains aggregation-induced emission developing molecules, a thickening agent, a stabilizing agent and water. The reagent B is a hydrogen peroxide solution. The reagent does not destroy the displayed blood DNA, and is wide in application range. In the occult blood appearing process, the reagent is oxidized by nascent oxygen generated by hydrogen peroxide catalyzed by ferriporphyrin in blood, so that fluorescence is quenched, and change of macroscopic absorption color is generated at the same time. The method disclosed by the invention fills up the blank of no reagent for identifying occult blood by utilizing fluorescence and absorption color change in the current market. Compared ...

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Номер записи: 35
26-10-2021 дата публикации

用于银离子检测的荧光探针

Номер: CN111630371B
Автор: 唐本忠, 陈斯杰, 谢胜, 王文雄, 颜能, 黄宇轩
Принадлежит: 香港科技大学

... 本申请公开了用于银离子检测的荧光探针包括具有聚集诱导发光(AIE)特性的水溶性有机化合物。探针可以通过银离子和诱导荧光的有机化合物之间的聚集或沉淀反应感测或检测银离子。该化合物呈酸性，可溶于水相，并在水溶液中提供低背景荧光。 ...

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Номер записи: 36
08-08-2023 дата публикации

Nanoparticle preparation system

Номер: CN116550255A
Автор: TANG BENZHONG, BAN XINCHAO, FAN YUANZHONG, WANG ZHIMING, LIU YONG, GONG WANJUN
Принадлежит:

The nano-particle preparation system comprises a first liquid storage tank, a second liquid storage tank, a first reaction container, a second reaction container and a third reaction container, ultrasonic transducers sleeve the first reaction container and the second reaction container, and an ultrasonic probe is arranged in the third reaction container; the third reaction container is further provided with a magnetic stirring device, and the volume of the first reaction container is larger than that of the second reaction container; the communicating pipe assembly is communicated with the liquid storage tank assembly and the reaction container assembly to form a first flow path, a second flow path and a third flow path, the first flow path is sequentially communicated with the first liquid storage tank, the first reaction container and the third reaction container, and the second flow path is sequentially communicated with the first liquid storage tank, the second reaction container and ...

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Номер записи: 37
04-07-2023 дата публикации

Preparation method and application of dithio amino-acid ester compound/polydithio amino-acid ester compound

Номер: CN116376012A
Автор: TANG BENZHONG, HU RONGRONG, ZHANG JIE, QIN ANJUN, ZHAO ZUJIN
Принадлежит:

The invention discloses a preparation method of a dithiocarbamate compound/a polydithiocarbamate compound and an application of the dithiocarbamate compound/the polydithiocarbamate compound. The dithiocarbamate compound/polydithiocarbamate compound is obtained by reacting an amine compound, an isonitrile compound, carbon disulfide and a thiol compound in an organic solvent in the presence of alkali. The raw materials used in the invention are all industrial raw materials, can be directly purchased, are low in cost, and can be subjected to large-scale gram-level production; the polymerization operation is simple, the yield is high, the reaction condition is mild, a metal catalyst is not needed, the reaction can be carried out under the conditions of room temperature and air, and no toxic or harmful by-product is generated; the obtained polydithiocarbamate compound also has excellent mechanical properties and luminescence properties, can be applied to the fields of mechanical materials and ...

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Номер записи: 38
27-06-2023 дата публикации

Polyamide-based thiourea compound as well as preparation method and application thereof

Номер: CN116333313A
Автор: TANG BENZHONG, HU RONGRONG, ZHANG JIE, QIN ANJUN, ZHAO ZUJIN
Принадлежит:

The invention discloses a polyamide-based thiourea compound as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing an isonitrile compound and a diamine compound, adding an organic solvent, dissolving, adding carbon disulfide, and carrying out a first stirring reaction; and adding a binary hydrazide compound, and stirring for the second time for polymerization reaction to prepare the linear polyamide thiourea compound. The preparation method comprises the following steps: mixing an isonitrile compound and a ternary amine compound, adding an organic solvent, dissolving, adding carbon disulfide, and carrying out a first stirring reaction; and adding a binary hydrazide compound, stirring for the second time, and carrying out polymerization reaction, so as to obtain the hyperbranched/crosslinked polyamide thiourea compound. The reaction operation is simple, the reaction can be carried out under the conditions of room temperature ...

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Номер записи: 39
14-07-2023 дата публикации

Fluorescent probe of AIE molecule modified cationic polymer as well as preparation method and application of fluorescent probe

Номер: CN116425972A
Автор: TANG BENZHONG, QIN ANJUN, YOU KAI
Принадлежит:

The invention discloses a fluorescent probe of an AIE molecule modified cationic polymer as well as a preparation method and application of the fluorescent probe. The structure of the fluorescent probe is composed of a multi-amino cationic polymer A, an AIE photosensitizer B and a hydrophobic component C, a and B as well as A and C are respectively connected through chemical bonds. The preparation method of the fluorescent probe adopts an efficient alkyne amine click reaction. The fluorescent probe has the aggregation-induced emission property, avoids the ACQ effect of traditional fluorescent molecules, achieves synchronous enhancement of fluorescence and ROS, can achieve rapid dyeing recognition of all live bacteria, and shows the characteristics of high efficiency and sensitivity. The fluorescent probe disclosed by the invention has an excellent photodynamic antibacterial effect and can realize photodynamic killing on various bacteria at low concentration. The fluorescent probe disclosed ...

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Номер записи: 40
25-08-2023 дата публикации

Sulfonated chitosan/poly (3, 4-ethylenedioxythiophene) material as well as preparation method and application thereof

Номер: CN116640317A
Автор: ZHANG XINGYE, TANG BENZHONG, WANG ZHIMING, LIU YONG
Принадлежит:

The invention discloses a sulfonated chitosan/poly (3, 4-ethylenedioxythiophene) material as well as a preparation method and application thereof. According to the invention, in a polar solvent, sulfonated chitosan and 3, 4-ethylenedioxythiophene are subjected to a reaction, such that the sulfonated chitosan/poly 3, 4-ethylenedioxythiophene material is obtained. According to the invention, the selective reaction of chitosan amino and C6 hydroxyl is utilized to realize accurate control of sulfonic acid substitution position, the reaction activity of the amino and C6 hydroxyl is utilized to realize sulfonic acid substituted chitosan with molar substitution degree close to 2, the proportion of conjugated structure units in chitosan-based PEDOT is increased, the energy level of the film is improved, and the film has a good application prospect. The hole transport mobility of the film is improved, and the problem that the content of conjugated structure units in traditional PEDOT and cellulose-based ...

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Номер записи: 41
07-07-2023 дата публикации

Method for preparing acylamino isothiocyanate/acylamino thiourea compound in one pot

Номер: CN116396196A
Автор: TANG BENZHONG, HU RONGRONG, ZHANG JIE, QIN ANJUN, ZHAO ZUJIN
Принадлежит:

The invention discloses a method for preparing an acylamino isothiocyanate/acylamino thiourea compound in one pot. The preparation method comprises the following steps: mixing an isonitrile compound and a hydrazide compound, adding an organic solvent, dissolving, adding carbon disulfide, and stirring for reaction to prepare an acylamino isothiocyanate compound; the method comprises the following steps: mixing an isonitrile compound and an amine compound, adding an organic solvent, dissolving, adding carbon disulfide, and carrying out a first stirring reaction; and adding a hydrazide compound, and carrying out a second stirring reaction to prepare the acylamino thiourea compound. The monomers used in the invention are all industrial raw materials, the cost is low, and large-scale gram-level production can be carried out; the reaction operation is simple, the efficiency is high, the monomer applicability is wide, the reaction can be carried out under the conditions of room temperature and ...

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Номер записи: 42
01-08-2023 дата публикации

OLED device of organic electroluminescent material based on thioxanthone derivative

Номер: CN116528649A
Автор: ZHAO ZUJIN, TANG BENZHONG, PENG XIAOLUO
Принадлежит:

The invention discloses an OLED device of an organic electroluminescent material based on a thioxanthone derivative, and relates to the technical field of OLEDs. The structure of the OLED device is as follows: ITO/HATCN/TAPC/TcTa/mCP/organic electroluminescent material/TmPyPB/LiF/Al. Wherein the organic electroluminescent material is one of compounds 1-3 which take carbazolo cyclothioxanthone as a core. The OLED device is high in efficiency and small in efficiency roll-off degree, meanwhile, the OLED device has low starting voltage, and high device efficiency can be kept under high brightness.

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Номер записи: 43