CN107474160B - 一种磷酰胆碱基聚乙二醇改性壳聚糖及其制备方法 - Google Patents
一种磷酰胆碱基聚乙二醇改性壳聚糖及其制备方法 Download PDFInfo
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- CN107474160B CN107474160B CN201710682251.6A CN201710682251A CN107474160B CN 107474160 B CN107474160 B CN 107474160B CN 201710682251 A CN201710682251 A CN 201710682251A CN 107474160 B CN107474160 B CN 107474160B
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- polyethylene glycol
- chitosan
- phosphorylcholine base
- base polyethylene
- phosphorylcholine
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
- C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
- C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
-
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
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- A—HUMAN NECESSITIES
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
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- A—HUMAN NECESSITIES
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- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/50—Materials characterised by their function or physical properties, e.g. injectable or lubricating compositions, shape-memory materials, surface modified materials
- A61L27/58—Materials at least partially resorbable by the body
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/87—Introduction of foreign genetic material using processes not otherwise provided for, e.g. co-transformation
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Inorganic Chemistry (AREA)
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- Polysaccharides And Polysaccharide Derivatives (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Abstract
Description
质量浓度μg/mL | RGR(%) | 分级 |
10 | 96.3 | 1 |
40 | 105.4 | 0 |
70 | 107.9 | 0 |
100 | 111.8 | 0 |
130 | 108.4 | 0 |
170 | 89.6 | 1 |
200 | 84.9 | 1 |
Claims (13)
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CN201710682251.6A CN107474160B (zh) | 2017-08-10 | 2017-08-10 | 一种磷酰胆碱基聚乙二醇改性壳聚糖及其制备方法 |
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CN201710682251.6A CN107474160B (zh) | 2017-08-10 | 2017-08-10 | 一种磷酰胆碱基聚乙二醇改性壳聚糖及其制备方法 |
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CN107474160A CN107474160A (zh) | 2017-12-15 |
CN107474160B true CN107474160B (zh) | 2019-05-28 |
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CN110522953B (zh) * | 2018-05-24 | 2022-02-15 | 中国科学院兰州化学物理研究所 | 一种仿生关节润滑剂及其制备方法 |
CN109535321B (zh) * | 2018-11-23 | 2021-01-05 | 广州医科大学 | 一种细胞转染的蛋白质载体 |
CN115040496B (zh) * | 2020-12-31 | 2023-05-26 | 淮阴工学院 | 中空介孔聚多巴胺载脂溶性色素纳米粒的制备方法 |
CN112603910B (zh) * | 2020-12-31 | 2022-03-22 | 淮阴工学院 | 介孔聚多巴胺载花青素纳米粒 |
CN114392248B (zh) * | 2020-12-31 | 2023-06-30 | 淮阴工学院 | 载花青素纳米粒的制备方法 |
Citations (4)
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