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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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Применить Всего найдено 2. Отображено 2.
16-05-2023 дата публикации

Ordered bicontinuous structure metal organic framework material SP-ZIF-8 as well as preparation method and application thereof

Номер: CN116120580A
Автор: PAN YI, MAI YIYONG, LI CHEN, ZHANG HAN, XIANG LUOXING, XU ZHI, TANG CHEN, XU FUGUI
Принадлежит:

The invention discloses an ordered bicontinuous structure metal organic framework material SP-ZIF-8 as well as a preparation method and application thereof, and relates to the technical field of biological catalysis. The preparation method comprises the following steps: self-assembling a block copolymer polystyrene-b-polyethylene oxide into cubic phase microspheres with a DP structure through a cosolvent method; the preparation method comprises the following steps: taking cubic phase microspheres with a DP structure as a soft template, enabling a metal Zn source and 2-methylimidazole to react in a pore channel in a mixed solvent system, and after the reaction is finished, washing off the template by using a cleaning solvent, so as to obtain cubic phase ZIF-8 microspheres with an SP structure, which are named SP-ZIF-8. According to the invention, an amphiphilic double-block copolymer PS-b-PEO is subjected to a simple solution self-assembly method to obtain a bicontinuous cubic phase structure ...

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Номер записи: 1
07-04-2023 дата публикации

Preparation method and application of noctilucent flower extract with hypoglycemic activity

Номер: CN115919914A
Автор: JIANG XUDONG, CHEN LI, SHAO YINGYING, TANG CHEN
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The invention discloses a preparation method and application of a noctilucent noctilucent flower extract with hypoglycemic activity, and aims to provide an effective part of noctilucent noctilucent flower with hypoglycemic effect by screening directly aiming at alpha-glucosidase as a target, so as to provide a scientific basis for further development and utilization of noctilucent noctilucent flower resources. An activity screening test proves that the noctilucent noctilucent flower extract provided by the invention has a remarkable inhibition effect on alpha-glucosidase, and the inhibition activity on the alpha-glucosidase is superior to that of a positive drug acarbose. The noctiluca noctiluca is a vegetable type medicinal and edible plant and is non-toxic to human bodies, so that the noctiluca noctiluca is expected to be developed into a safe and non-toxic hypoglycemic drug, health care product or other functional food, the noctiluca noctiluca extract obtained by the method can inhibit ...

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Номер записи: 2