CN108939132A - 一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法 - Google Patents
一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法 Download PDFInfo
- Publication number
- CN108939132A CN108939132A CN201810790451.8A CN201810790451A CN108939132A CN 108939132 A CN108939132 A CN 108939132A CN 201810790451 A CN201810790451 A CN 201810790451A CN 108939132 A CN108939132 A CN 108939132A
- Authority
- CN
- China
- Prior art keywords
- hyaluronic acid
- collagen
- low immunogenicity
- film
- modification
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/32—Proteins, polypeptides; Degradation products or derivatives thereof, e.g. albumin, collagen, fibrin, gelatin
- A61L15/325—Collagen
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61K47/42—Proteins; Polypeptides; Degradation products thereof; Derivatives thereof, e.g. albumin, gelatin or zein
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/20—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing organic materials
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/28—Polysaccharides or their derivatives
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/44—Medicaments
-
- 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
- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
- A61L15/42—Use of materials characterised by their function or physical properties
- A61L15/64—Use of materials characterised by their function or physical properties specially adapted to be resorbable inside the body
-
- 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
- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/001—Use of materials characterised by their function or physical properties
-
- 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
- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/001—Use of materials characterised by their function or physical properties
- A61L24/0015—Medicaments; Biocides
-
- 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
- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/001—Use of materials characterised by their function or physical properties
- A61L24/0042—Materials resorbable by the body
-
- 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
- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/04—Surgical adhesives or cements; Adhesives for colostomy devices containing macromolecular materials
- A61L24/08—Polysaccharides
-
- 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
- A61L24/00—Surgical adhesives or cements; Adhesives for colostomy devices
- A61L24/04—Surgical adhesives or cements; Adhesives for colostomy devices containing macromolecular materials
- A61L24/10—Polypeptides; Proteins
- A61L24/102—Collagen
-
- 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
- A61L27/14—Macromolecular materials
- A61L27/20—Polysaccharides
-
- 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
- A61L27/14—Macromolecular materials
- A61L27/22—Polypeptides or derivatives thereof, e.g. degradation products
- A61L27/24—Collagen
-
- 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
-
- 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
- A61L27/54—Biologically active materials, e.g. therapeutic substances
-
- 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
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/20—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices containing or releasing organic materials
- A61L2300/252—Polypeptides, proteins, e.g. glycoproteins, lipoproteins, cytokines
-
- 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
- A61L2300/00—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices
- A61L2300/40—Biologically active materials used in bandages, wound dressings, absorbent pads or medical devices characterised by a specific therapeutic activity or mode of action
- A61L2300/412—Tissue-regenerating or healing or proliferative agents
-
- 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
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/04—Materials for stopping bleeding
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Medicinal Chemistry (AREA)
- Hematology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dermatology (AREA)
- Surgery (AREA)
- Transplantation (AREA)
- Inorganic Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Proteomics, Peptides & Aminoacids (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Materials For Medical Uses (AREA)
Abstract
本发明公开了一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法,将透明质酸溶解在磷酸盐缓冲液(pH=7.4)中,制得透明质酸溶液;再向透明质酸溶液加入低免疫原性胶原蛋白,搅拌均匀后,加入交联剂,如:京尼平溶液、或先加入4‑吗啉乙磺酸(MES)进行活化,随后加入1‑乙基‑碳二亚胺盐酸盐(EDC)与N‑羟基琥珀酰亚胺(NHS)的组合物;反应结束后干燥成膜,制备得到了一种具有高生物活性的低免疫原性胶原蛋白/透明质酸复合医用薄膜。该医用薄膜材料具有良好的生物相容性、可生物降解性和生物安全性,又具有较好的力学强度,保湿性能,可用作止血材料、组织工程支架、高级敷料、药物载体材料、美容材料等。
Description
技术领域
本发明属于生物医用材料技术领域,涉及了一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法。
背景技术
透明质酸是由β-1,4与β-1,3-糖苷键所连接的D-葡萄糖醛酸与N-乙酰氨基葡萄糖的重复双糖所组成的线性多糖,它是一种非硫酸盐的糖胺聚糖。透明质酸广泛存在于脊椎动物体内,也存在于细菌中,其为人体内软***的外基质的主要组成部分,其具有优异的生物相容性及无免疫原性,并且由于其保水性,有利于细胞浸润的环境中,快速愈合。但是天然的透明质酸稳定性差,易降解,在水体系中缺乏力学强度等不足之处,限制了其在生物医药领域的应用。
天然高分子中的胶原类薄膜由于其优异的生物相容性,低免疫原性等,已在功能型薄膜领域得到了广泛应用。目前已有大量的研究人员利用胶原复合材料开发出各类术中止血材料及术后创口护理材料,因此被广泛应用于创伤敷料、生物胶黏剂、组织工程支架材料、给药载体材料等医用领域。凭借优良的生物活性、诱导组织再生能力、生物可降解性等,胶原类薄膜已成为目前的研究热点。然而,动物源胶原被发现存在病毒隐患、免疫排异性等缺点,影响了其的生物医学应用。近年来,利用基因重组技术制备低免疫原性胶原蛋白,解决了传统动物源胶原存在的生物安全性问题,能够成为动物源胶原的替代材料,目前已被应用于止血材料、组织工程材料、高级敷料等生物医用材料研发中。在实际应用中发现胶原类薄膜仍存在力学强度差、保湿性能弱等的先天缺陷,极大地限制了其的医学应用,因此,亟需开发一类具有高强度、保湿性能优异的胶原类薄膜。
综上所述,本发明为了解决目前生物薄膜类材料存在生物活性差,力学强度弱,降解速率快等缺点。采用以透明质酸为原料,与低免疫原性胶原蛋白共混。从根源上保证了材料的生物安全性;同时,为解决目前薄膜类材料存在的力学强度差、保湿性能弱等的缺陷,并以京尼平或EDC为生物交联,制备得到了一种基于低免疫原性胶原蛋白/透明酸的高强度,生物性能及保湿性能优异的医用薄膜,该薄膜材料具有良好的生物相容性、可生物降解性和生物安全性等优良性能,又兼具较好的力学强度,保湿性能,可用作止血材料、组织工程支架、高级敷料、药物载体材料等。
发明内容
本发明的目的是针对现有技术的不足而提供的基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜。该薄膜具有良好的生物相容性、可生物降解性等优良性能,又兼具较好的力学强度,生物活性及保湿性能能显著促进组织创面愈合和修复,可用作高级敷料、组织工程支架、止血材料、美容材料等生物医用材料。
为实现上述目的,本发明采用如下技术方案:
一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,首先将低免疫原性胶原蛋白溶液与透明质酸相混合,控制低免疫原性胶原蛋白用量为透明质酸质量的50%~150%,22~40℃下充分反应;至清澈透明后,加入交联剂充分反应;取充分反应的溶液制膜,得到基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜。
所述交联剂为京尼平溶液、或先加入4-吗啉乙磺酸(MES)进行活化,随后加入1-乙基-碳二亚胺盐酸盐(EDC)与N-羟基琥珀酰亚胺(NHS)的组合物。
具体步骤包括:
(1)透明质酸溶液的制备:取1质量份透明质酸加入到50~200体积pH为7.4的磷酸缓冲液或蒸馏水中,22~80℃下搅拌至溶液完全澄清,配制成1份透明质酸水溶液
(2)基于低免疫原性胶原蛋白/透明质酸的高强度、生物活性及保湿性能优异的致密医用薄膜的制备:向步骤(1)所得透明质酸溶液中加入低免疫原性胶原蛋白,控制低免疫原性胶原蛋白用量为透明质酸质量的:0.5:1~1.5:1:,22~40℃下缓慢搅拌0.5~24h,搅拌至清澈透明,冷却至室温后,再加入低细胞毒***联剂,反应24~48h后将所制备混合溶液称取30~80质量均匀铺展在聚四氟乙烯板中,置于烘箱中,于37~40℃干燥24~72h。最后将其所成薄膜置于0~4℃下备用。制备得到基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜。
所述的低免疫原性胶原蛋白(分子量为3万~6万);透明质酸(分子量为2万~100万);制得的基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的力学强度、生物降解性及保湿性能可通过调整生物交联剂的用量及改性条件来有效控制。
本技术与现有技术相比,具有如下优点:
(1)与传统动物源胶原蛋白不同,本发明以低免疫原性胶原蛋白为原料,从根源上保证了材料的生物安全性,同时,低免疫原性胶原蛋白同样具有优异的生物活性,能够赋予透明质酸薄膜优异的生物活性;
(2)本发明发现透明质酸能够促进低免疫原性胶原蛋白的分子自组装行为,加速成膜;并且使用京尼平或EDC进行交联,使其结构致密,不仅提升其力学性能,对其保湿性能、保护创伤内环境也有极大益处,同时在实际应用中低免疫原性胶原蛋白不会被轻易释放,保证了薄膜材料优异的生物活性。
(3)本发明采用以分子自组装、交联法构建薄膜,能够特性设计薄膜中低免疫原性胶原蛋白的微观形貌与三维结构,使其更仿生胞外基质。
具体实施方式
下面通过实施对本发明进行具体的描述,有必要在此指出的是本实施例只用于对本发明进行进一步说明,而不能理解为对本发明保护范围的限制,该领域的技术熟练人员可以根据上述发明的内容作出非本质的改进和调整。
实施例1
(1)透明质酸溶液的制备:取1g透明质酸加入到50ml pH为7.4的磷酸缓冲液中,22℃下搅拌至溶液完全澄清,配制成1份透明质酸水溶液。
(2)基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜的制备:向步骤(1)所得透明质酸溶液中加入低免疫原性胶原蛋白,控制低免疫原性胶原蛋白与透明质酸的质量比为0.5:1,22~40℃下缓慢搅拌0.5h,搅拌至清澈透明,冷却至室温后,加入0.5g京尼平溶液,反应24h,将所制备混合溶液称取30g均匀铺展在聚四氟乙烯板中,置于烘箱中,于37~40℃干燥24h。最后将其所成薄膜置于0~4℃下备用。制备得到基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜。
实施例2
(1)透明质酸溶液的制备:取1g透明质酸加入到200ml pH为7.4的磷酸缓冲液中, 80℃下搅拌至溶液完全澄清,配制成1份透明质酸水溶液。
(2)基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜的制备:向步骤(1)所得透明质酸溶液中加入低免疫原性胶原蛋白,控制低免疫原性胶原蛋白与透明质酸的质量为 1.5:1,在40℃下缓慢搅拌24h,搅拌至清澈透明,冷却至室温后,加入1g的京尼平溶液,反应24h,将所制备混合溶液称取80g均匀铺展在聚四氟乙烯板中,置于烘箱中,于40℃干燥72h。最后将其所成薄膜置于0~4℃下备用。制备得到基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜。
实施例3
(1)透明质酸的制备:取1g透明质酸加入到150ml pH为7.4的磷酸缓冲液中,60℃下搅拌至溶液完全澄清,配制成1份透明质酸水溶液。
(2)基于低免疫原性胶原蛋白/透明质酸的高强度医用薄膜的制备:向步骤(1)所得透明质酸溶液中加入低免疫原性胶原蛋白,控制低免疫原性胶原蛋白与透明质酸的质量比为1:1,37℃下缓慢搅拌6h,搅拌至清澈透明,冷却至室温后,加入2g的京尼平溶液,反应24h,将所制备低免疫原性胶原蛋白/透明质酸溶液称取50g均匀铺展在聚四氟乙烯板中,置于烘箱中,于40℃干燥48h。最后将其所成薄膜置于0~4℃下备用。制备得到基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜。
实施例4
(1)透明质酸溶液的制备:取1g透明质酸加入到50ml pH为7.4的磷酸缓冲液中,22℃下搅拌至溶液完全澄清,配制成1份透明质酸水溶液。
(2)基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜的制备:向步骤(1)所得透明质酸溶液中加入低免疫原性胶原蛋白,控制低免疫原性胶原蛋白与透明质酸的质量比为0.5:1,22~40℃下缓慢搅拌0.5h,搅拌至清澈透明,冷却至室温后,加入4ml 的MES活化0.5h,再加入1g的EDC及一定质量的NHS,使得NHS添加量与EDC添加量的摩尔比为1:2.5,反应24h,将所制备混合溶液称取30g均匀铺展在聚四氟乙烯板中,置于烘箱中,于37~40℃干燥24h。最后将其所成薄膜置于0~4℃下备用。制备得到基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜。
实施例5
(1)透明质酸溶液的制备:取1g透明质酸加入到150ml pH为7.4的磷酸缓冲液中, 80℃下搅拌至溶液完全澄清,配制成1份透明质酸水溶液。
(2)基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜的制备:向步骤(1)所得透明质酸溶液中加入低免疫原性胶原蛋白,控制低免疫原性胶原蛋白与透明质酸的质量为 1.5:1,在40℃下缓慢搅拌24h,搅拌至清澈透明,冷却至室温后,加入5ml的MES活化0.5h,再加入2g的EDC及一定质量的NHS,使得NHS添加量与EDC添加量的摩尔比为1:2.5,反应24h,将所制备混合溶液称取80g均匀铺展在聚四氟乙烯板中,置于烘箱中,于40℃干燥72h。最后将其所成薄膜置于0~4℃下备用。制备得到基于低免疫原性胶原蛋白/透明质酸的高强度,生物活性且保湿性能优异的致密医用薄膜。
Claims (7)
1.一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,其特征在于,包括以下步骤:
将低免疫原性胶原蛋白溶液与透明质酸相混合,控制低免疫原性胶原蛋白用量为透明质酸质量的50%~150%,22~40℃下充分反应;至清澈透明后,加入低细胞毒***联剂充分反应;取充分反应的溶液制膜,得到基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜。
2.如权利要求1所述的一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,其特征在于:所述低细胞毒***联剂为京尼平溶液。
3.如权利要求2所述的一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,其特征在于,具体步骤包括:
1)将0.5~3.0质量份的透明质酸溶解到50~300体积pH为7.4的磷酸缓冲液中,50℃~80℃室温下搅拌至完全溶解,配制成1份透明质酸溶液;
2)将低免疫原性胶原蛋白与透明质酸按质量比(0.5~1.5):1,将低免疫原性胶原蛋白加入到1份透明质酸溶液中,22~40℃下磁力搅拌反应0.5~24h,搅拌至清澈透明;冷却至室温后,加入0.5~2体积的京尼平溶液,反应24~48小时;移取基于低免疫原性胶原蛋白修饰的高生物活性透明质酸混合溶液均匀,铺膜,于37~40℃干燥24~72h,制备得到基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜;
上述步骤中,质量与体积的对应关系为1质量份:1体积=1g:1ml。
4.如权利要求1所述的一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,其特征在于:所述低细胞毒***联剂为包括4-吗啉乙磺酸MES、1-乙基-碳二亚胺盐酸盐EDC、及N-羟基琥珀酰亚胺NHS的组合物。
5.如权利要求4所述的一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,其特征在于:交联反应时,先加入4-吗啉乙磺酸MES进行活化,随后加入1-乙基-碳二亚胺盐酸盐EDC、及N-羟基琥珀酰亚胺NHS,充分反应。
6.如权利要求5所述的一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜的制备方法,其特征在于,具体步骤包括:
1)将0.5~3.0质量份的透明质酸溶解到50~300体积pH为7.4的磷酸缓冲液中,50℃~80℃室温下搅拌至完全溶解,配制成1份透明质酸溶液;
2)将低免疫原性胶原蛋白与透明质酸按质量比(0.5~1.5):1,将低免疫原性胶原蛋白加入到1份透明质酸溶液中,22~40℃下磁力搅拌反应0.5~24h,搅拌至清澈透明;冷却至室温后,加入0.5~6体积的MES乙醇水溶液,搅拌均匀;加入EDC和NHS,使得EDC的添加量为0.5~2质量份、并使EDC与NHS摩尔比为1:2.5,反应24~48小时;移取基于低免疫原性胶原蛋白修饰的高生物活性透明质酸混合溶液,铺膜,于37~40℃干燥24~72h,制备得到基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜
上述步骤中,质量与体积的对应关系为1质量份:1体积=1g:1ml。
7.权利要求1~6任一项所述方法制备的基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810790451.8A CN108939132A (zh) | 2018-07-18 | 2018-07-18 | 一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810790451.8A CN108939132A (zh) | 2018-07-18 | 2018-07-18 | 一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN108939132A true CN108939132A (zh) | 2018-12-07 |
Family
ID=64495861
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810790451.8A Pending CN108939132A (zh) | 2018-07-18 | 2018-07-18 | 一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108939132A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109776651A (zh) * | 2019-01-18 | 2019-05-21 | 陕西科技大学 | 一种基于低免疫原性多肽微米带及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010083487A1 (en) * | 2009-01-16 | 2010-07-22 | Ed. Geistlich Soehne Ag Fuer Chemische Industrie | Method and membrane for skin regeneration |
CN102911380A (zh) * | 2012-10-29 | 2013-02-06 | 北京爱美客生物科技有限公司 | 透明质酸与生物可降解高分子改性材料及制备方法 |
CN103755981A (zh) * | 2014-01-14 | 2014-04-30 | 西北大学 | 一种用作皮肤填充材料的水凝胶及其制备方法 |
CN107823699A (zh) * | 2017-11-17 | 2018-03-23 | 陕西慧康生物科技有限责任公司 | 止血防粘连膜及其制备方法 |
CN108210985A (zh) * | 2018-01-22 | 2018-06-29 | 陕西科技大学 | 一种基于人源胶原蛋白的高强度医用水凝胶及其制备方法 |
-
2018
- 2018-07-18 CN CN201810790451.8A patent/CN108939132A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010083487A1 (en) * | 2009-01-16 | 2010-07-22 | Ed. Geistlich Soehne Ag Fuer Chemische Industrie | Method and membrane for skin regeneration |
CN102911380A (zh) * | 2012-10-29 | 2013-02-06 | 北京爱美客生物科技有限公司 | 透明质酸与生物可降解高分子改性材料及制备方法 |
CN103755981A (zh) * | 2014-01-14 | 2014-04-30 | 西北大学 | 一种用作皮肤填充材料的水凝胶及其制备方法 |
CN107823699A (zh) * | 2017-11-17 | 2018-03-23 | 陕西慧康生物科技有限责任公司 | 止血防粘连膜及其制备方法 |
CN108210985A (zh) * | 2018-01-22 | 2018-06-29 | 陕西科技大学 | 一种基于人源胶原蛋白的高强度医用水凝胶及其制备方法 |
Non-Patent Citations (2)
Title |
---|
王学川等: "胶原蛋白的改性原理及其应用研究进展", 《陕西科技大学学报》 * |
王瑞瑞等: "胶原蛋白自组装生物功能材料的研究进展", 《化工进展》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109776651A (zh) * | 2019-01-18 | 2019-05-21 | 陕西科技大学 | 一种基于低免疫原性多肽微米带及其制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Zhu et al. | Recent progress of polysaccharide‐based hydrogel interfaces for wound healing and tissue engineering | |
CN108744023B (zh) | 一种丝素蛋白医用生物粘合剂及其制备方法 | |
CN106310383B (zh) | 一种可注射骨修复水凝胶及其制备方法 | |
CN102688525B (zh) | 一种生物大分子水凝胶及其制备方法 | |
EP0839159B1 (en) | Polysaccharide gel composition | |
Chu et al. | Recent advances in injectable dual crosslinking hydrogels for biomedical applications | |
CN101798403B (zh) | 一种壳聚糖/聚乙烯醇/聚乳酸共混致密膜的制备方法 | |
Liu et al. | Adhesive, antibacterial and double crosslinked carboxylated polyvinyl alcohol/chitosan hydrogel to enhance dynamic skin wound healing | |
CN105504316B (zh) | 一种透明质酸‑甲基纤维素复合凝胶的活性酯交联方法 | |
CN103483625A (zh) | 可吸收降解的多用途生物相容性材料 | |
Pan et al. | A fast on-demand preparation of injectable self-healing nanocomposite hydrogels for efficient osteoinduction | |
CN104888265B (zh) | 温敏型胶原基复合止血凝胶的制备方法 | |
Liang et al. | Injectable protocatechuic acid based composite hydrogel with hemostatic and antioxidant properties for skin regeneration | |
US8367117B2 (en) | Nanocomposite hyaluronic acid-clay based hydrogels | |
CN113633821A (zh) | 一种温敏型可注射型胶原/壳聚糖/掺锌生物玻璃纳米颗粒水凝胶材料及其制备方法 | |
CN1775302A (zh) | 壳聚糖-明胶海绵伤口敷料的制备方法 | |
CN108210985A (zh) | 一种基于人源胶原蛋白的高强度医用水凝胶及其制备方法 | |
CN103007342B (zh) | 生物可降解医用磷酸三钙/γ-聚谷氨酸复合材料及其制备方法 | |
Salehi Dashtebayaz et al. | Interpenetrating networks hydrogels based on hyaluronic acid for drug delivery and tissue engineering | |
CN1593385A (zh) | 可注射温敏配合物凝胶及其制备方法 | |
Ma et al. | Injectable hyaluronic acid/poly (γ-glutamic acid) hydrogel with step-by-step tunable properties for soft tissue engineering | |
CN108939132A (zh) | 一种基于低免疫原性胶原蛋白修饰的高生物活性透明质酸医用薄膜及其制备方法 | |
CN102757625B (zh) | 一种壳聚糖-聚乳酸多孔复合材料及其制备方法 | |
Parveen et al. | Biodegradable Natural Polymers for Biomedical Applications | |
CN115429935B (zh) | 一种可注射性的交联硫酸软骨素水凝胶及其制备方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |
|
RJ01 | Rejection of invention patent application after publication |