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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 6. Отображено 6.
30-05-2023 дата публикации

Preparation method of non-noble metal-noble metal bimetallic nano-alloy with efficient enzyme activity and mild photo-thermal performance

Номер: CN116174740A
Автор: DING HE, YANG PIAOPING, HE FEI, GAI SHILI, FENG LILI, LIU ZHILIANG, YANG DAN, FANG LINYANG
Принадлежит:

The invention relates to a preparation method of a non-noble metal-noble metal bimetallic nano-alloy, in particular to a preparation method of a non-noble metal-noble metal bimetallic nano-alloy with efficient enzyme activity and mild photo-thermal performance. The problems that an existing nano-enzyme only contains a single metal element, the catalytic activity of the nano-enzyme is low, and the enzymatic reaction condition provided by the tumor microenvironment is limited are solved. The preparation method comprises the following steps: 1, synthesizing a bimetallic nano alloy PdCu; 2, modifying the nano material; the method is used for preparing the non-noble metal-noble metal bimetallic nano-alloy with efficient enzyme activity and mild photo-thermal performance.

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Номер записи: 1
08-09-2017 дата публикации

Core-shell structure of Gd - Si - Ce6 multifunctional mesoporous preparation method of composite material

Номер: CN0105271266B
Автор: 杨飘萍, 杨丹, 盖世丽, 杨桂欣, 毕惠婷, 徐加廷, 冯莉莉
Принадлежит:

... 本发明提供的是种核壳结构的Gd‑Si‑Ce6多功能介孔纳米复合材料的制备方法。采用几种经典的反应制备粒径均匀、分散性良好的空心有序介孔纳米材料；采用CTAB作为表面活性剂能够形成有序的介孔二氧化硅层，不仅为引入大量的功能分子团提供了较大的表面积，还为吸收和封装生物分子提供了较大的孔径；采用两种硅烷做前驱体合成了空心有序介孔结构纳米复合材料。所得复合材料内部具有环形空腔结构，可用于存储大量药物分子；表面具有层介孔二氧化硅层，可实现内外物质交换；在660nm激发光下可产生高效的单线态氧，可用于癌症的光动力治疗；制备过程绿色环保、原材料廉价、过程简单易行。 ...

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Номер записи: 2
04-07-2023 дата публикации

Preparation method of cerium-doped material for improving catalytic performance of bismuth ferrite

Номер: CN116371415A
Автор: YANG PIAOPING, YU CHENGHAO, FENG LILI, QU ZHAOYANG, DING HE, GAI SHILI, HE FEI, YANG DAN
Принадлежит:

The invention discloses a preparation method of a cerium-doped material for improving the catalytic performance of bismuth ferrite, and relates to a preparation method of a material for improving the catalytic performance of bismuth ferrite. The invention aims to solve the problems of high electron and hole recombination rate and poor catalytic performance of the existing bismuth ferrite. The preparation method comprises the following steps: 1, adding bismuth nitrate, ferric nitrate and cerous nitrate into ethylene glycol; 2, dropwise adding nitric acid; 3, preparing gel; 4, centrifuging, washing and drying; and 5, calcining. The method is used for preparing the cerium-doped bismuth ferrite catalytic performance improving material.

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Номер записи: 3
30-05-2023 дата публикации

Preparation method and application of iridium-doped Prussian blue nano-enzyme

Номер: CN116177568A
Автор: WANG QINGQING, HAO JIA, LIU SHAOQIN, YANG PIAOPING
Принадлежит:

The invention discloses a preparation method and application of iridium-doped Prussian blue nano-enzyme, belongs to the technical field of functional materials, and aims to solve the problem that an existing nano-material can only serve as a photothermal agent in photothermal therapy or a photosensitizer in photodynamic therapy and cannot be directly applied to photothermal and photodynamic combined therapy. According to the demand of PTT and PDT synergistic treatment, Prussian blue with photothermal conversion ability and similar to catalase and iridium nanoparticles with oxide enzyme activity are respectively synthesized, and the structural gap of PB itself is used as a substrate; iridium nanoparticles are assembled on the surface of the prussian blue nano-enzyme to construct the prussian blue nano-composite material loaded with the iridium nanoparticles on the surface, and the iridium-doped prussian blue nano-enzyme is used as a photothermal agent and a photosensitizer in a photothermal ...

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Номер записи: 4
09-06-2023 дата публикации

Preparation method of two-dimensional piezoelectric bismuth vanadate nanosheet with vanadium vacancy concentration difference

Номер: CN116239148A
Автор: FENG LILI, YANG PIAOPING, ZHAO RUOXI, ZHU YANLIN, YU CHENGHAO, WANG WENZHUO, HU YAOYU
Принадлежит:

The invention relates to a preparation method of two-dimensional piezoelectric bismuth vanadate nanosheets with different vanadium vacancy concentrations, in particular to a preparation method of two-dimensional piezoelectric bismuth vanadate nanosheets with different vanadium vacancy concentrations. The invention aims to solve the problems of high electron hole pair combination efficiency and poor piezoelectric catalytic performance of the existing piezoelectric nano material. The method comprises the following steps: dropwise adding a sodium vanadate solution into a bismuth nitrate solution, then heating, and controlling the reaction temperature and the reaction time to respectively obtain the bismuth vanadate nanosheet with less vanadium vacancy and the bismuth vanadate nanosheet with rich vanadium vacancy. The method is used for preparing the two-dimensional piezoelectric bismuth vanadate nanosheet with the vanadium vacancy concentration difference.

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Номер записи: 5
29-08-2023 дата публикации

Synthesis method of nano delivery system for NO gas signal molecule mediated active nitrogen/active oxygen sensitized ferroptosis effect

Номер: CN116650662A
Автор: YANG PIAOPING, ZHANG PING, LUO LIANG, GAI SHILI, CUI DAWEI, DING HE, HE FEI, FENG LILI, YANG DAN, LIU SHIKAI, LI WENTING
Принадлежит:

The invention discloses a synthesis method of a nano delivery system with an NO gas signal molecule mediating active nitrogen/active oxygen sensitization ferroptosis effect, and relates to a synthesis method of a NO gas signal molecule nano delivery system. The invention aims to solve the problems of insufficient representativeness of existing NO donors or released molecules, rapid free diffusion of NO in vivo, short biological life, lack of effective accumulation at tumor sites and low bioavailability. The method comprises the following steps: 1, synthesizing ZIF (at) MnO2 nano-enzyme; 2, synthesizing a ZIF (at) MnO2-NO nano delivery system; and 3, synthesizing the PEG/ZIF-coated MnO2-NO nano delivery system. The invention provides an adjustable and controllable metal-organic framework (MOFs) modified biodegradable nano-enzyme which is used for ROS/RNS mediated ferroptosis. According to the invention, the nano delivery system with the NO gas signal molecule mediated active nitrogen/active ...

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Номер записи: 6