CN105816904B - 一种医疗用抗菌纱布 - Google Patents
一种医疗用抗菌纱布 Download PDFInfo
- Publication number
- CN105816904B CN105816904B CN201610407321.2A CN201610407321A CN105816904B CN 105816904 B CN105816904 B CN 105816904B CN 201610407321 A CN201610407321 A CN 201610407321A CN 105816904 B CN105816904 B CN 105816904B
- Authority
- CN
- China
- Prior art keywords
- gauze
- antibacterial
- aqueous solution
- wsj
- polypeptide
- 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.)
- Active
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
- A61L15/42—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
- A61L15/22—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
- A61L15/26—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
-
- 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
- A61L2300/404—Biocides, antimicrobial agents, antiseptic agents
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Epidemiology (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials For Medical Uses (AREA)
Abstract
本发明公开了一种医疗用抗菌纱布,该纱布是在可溶性纱布坯布表面涂覆有抗菌多肽层制备而成。所述的多肽层具有较好的杀菌效果。所述的医用纱布具有在较短的时间内杀死病菌的效果。本产品成本低廉,制备简单。
Description
技术领域
本发明属于一次性卫生用品领域,尤其涉及医疗用抗菌纱布。
背景技术
纱布是由经线和纬线编织成的稀疏而轻薄的丝织品,纱布是医院大量使用的消耗品,主要用来包扎伤口,纱布通常由棉纱制成,虽然成本较低,但纱布本身容易滋生病菌,增加伤口感染的几率。
目前,在临床上使用的敷料,如医用纱布,一般有以下几种:①普通型无菌纱布,常用作为包扎材料;②抗粘型纱布,由于经过特殊处理,可防止伤口粘连,但无杀菌作用;③抗菌型纱布,因添加了抗生素,有一定的杀菌作用,但对一些大面积的伤口,杀菌作用差,并因长期使用,易产生抗药菌株。因此,临床上尚无有效的杀菌纱布。
抗菌肽(AMPs)是一类广泛存在于自然界生物体中的小肽类物质,它是机体先天性免疫***的重要组成部分。由于抗菌肽对细菌、真菌、寄生虫、病毒、肿瘤细胞等有着广泛的抑制作用,并且随着越来越多的抗生素耐药微生物的出现,使得抗菌肽在医药行业和食品添加剂等领域有良好的应用前景。虽然现有技术中已经有了将抗菌肽制备为涂层涂覆在医疗产品中,但是现有技术的抗菌肽其杀菌广谱性以及时效性还有待于提高。
发明内容
本发明克服了现有技术的缺陷,提供了一种具有光谱杀菌特性以及速效杀菌对抗菌肽,以及涂覆有该抗菌肽的医用纱布。
本发明提供一种医用纱布,其特征在于:在可溶性纱布坯布表面涂覆有抗菌多肽层。
本发明的上述杀菌多肽层厚度为5~30um。
本发明另外提供一种含有多肽层的纱布制备方法,将可溶性纱布坯布浸入聚乙烯亚胺的水溶液,该水溶液中聚乙烯亚胺的浓度为5-10mg/ml,含0.14mol/LNaCl中往复振荡浸泡40分钟,会在坯布的内外表面形成聚合物底层;然后置于100mL质量百分比浓度为0.01%的4,4’-二苯基二硫醇的甲醇溶液中反应5小时,反应后的可溶性纱布坯布经甲醇充分浸洗后真空干燥,与抗菌肽分别在辣根过氧化物酶和过氧化氢作用下反应,得到表面键合抗菌多肽的纱布。当纱布与伤口接触湿润后,细菌接触纱布后,芯片层表面的二硫键断裂,还原释放多肽,发挥杀菌作用。
本发明另外提供一种抗菌肽的制备方法,所述的抗菌肽SEQ ID NO:1~22任一所示,为申请人通过获得的人参基因组序列,寻找其中具有潜在编码功能的小开放阅读框,将这些小开放阅读框分别翻译出对应的氨基酸序列,利用三维结构分析软件从中筛选抗菌肽,根据预测筛选的抗菌肽序列,利用固相合成法合成其中的部分多肽,并且使C端酰胺化,N端不含有蛋氨酸,制备抗菌肽,进行相应的功能验证,筛选得到了22个抗菌肽。
本发明的有益效果在于:本方法制备的带有抗菌肽涂层的纱布,实现消毒杀菌、止血止痛、促进伤口愈合等功能,较之于传统纱布生产工艺简单、药性温和无刺激、对人体危害小,患者接受度高,市场应用价值巨大。
具体实施方式
实施例1抗菌多肽的筛选获得
通过前期筛选获得的人参基因组序列,寻找其中具有潜在编码功能的小开放阅读框,将这些小开放阅读框分别翻译出对应的氨基酸序列,利用三维结构分析软件从中筛选抗菌肽,根据预测筛选的抗菌肽序列,利用固相合成法合成其中的部分多肽,并且使C端酰胺化,N端不含有蛋氨酸,制备抗菌肽,进行相应的功能验证,筛选得到了22个抗菌肽,分别命名为WSJ-1~22。其序列分别如SEQ ID NO:1-22所示。
实施例2抗菌肽的效果验证
将WSJ-1多肽用蒸馏水溶解成浓度为2mg/ml,采用琼脂糖扩散法进行抗菌活性检测。琼脂糖扩散法中使用的菌株为沙眼衣原体、金黄葡萄球菌、淋病奈瑟菌、白带虫、白色念珠菌。菌株复苏后,接种于对应的培养基过夜培养后,分别取50微升菌液涂布于固体培养基。静置带菌液吸收后,分别加入浓度为2mg/ml的多肽溶液10微升。37℃培养16小时后,观察抑菌圈的有无和大小。同时观察抑菌圈一周内是否有变化,判断抑菌时间长短。结果见表1。
表1多肽抗菌活性分析结果
“+”表示抑菌圈的大小大于0.5cm;“++”表示抑菌圈的大小大于1cm;“+++”表示抑菌圈的大小大于1.5cm;“++++”表示抑菌圈的大小大于2cm。
从以上结果可以看出,本发明的多肽具有较好的杀灭伤口常见病菌的效果。
实施例3抗菌纱布的制备
将可溶性纱布坯布浸入聚乙烯亚胺的水溶液,该水溶液中聚乙烯亚胺的浓度为10mg/ml,含0.14mol/LNaCl中往复振荡浸泡40分钟,会在可溶性纱布坯布的内外表面形成聚合物底层;然后置于100mL质量百分比浓度为0.01%的4,4’-二苯基二硫醇的甲醇溶液中反应5小时,反应后的可溶性纱布坯布经甲醇充分浸洗后真空干燥,与SeqIDNO:1的抗菌肽分别在辣根过氧化物酶和过氧化氢作用下反应,得到表面键合抗菌多肽的可溶性纱布坯布。
将SeqIDNO:2-22任一的抗菌肽按照序列1的纱布制备方法,制备得到对应的涂覆有多肽层的纱布。
实施例4抗菌肽纱布的效果验证
为了验证本发明的抑菌效果,本发明卫生巾芯片样品经第三方权威检测机构测定,测试过程及结果如下:
检测方法:按《消毒技术规范》(2002年版)进行试验,作用时间为2min、5min、10min、20min,试验温度为19~21℃。阳性对照组平均菌落数,金黄葡萄球菌7*105cfu/ml;淋病奈瑟菌5*105cfu/ml;白色念珠菌7*105cfu/ml;链球菌6*105cfu/ml;
测试结论:测试样品作用2min、5min、10min,3种时间内对4种病菌菌的抑菌率均为100%,说明本发明的纱布具有极好的杀菌效果,并且杀菌效果迅速。
实施例5抗菌肽纱布的小鼠实验验证
选试验大鼠80只,随机分组,试验组和对照组均为40例,试验组和对照组大鼠去毛后对背部2*2cm的皮肤进行人工去皮,然后试验组用本发明的纱布进行包扎,对照组使用同样面积的常规纱布进行包扎,不给予抗生素治疗。试验三天后观察创面的愈合情况。对愈合情况的评价,根据外科常用的评价方法:甲级愈合,伤口无红肿愈合良好;乙级愈合,伤口周围有红肿或炎性硬结,但无化脓;丙级愈合,伤口已化脓感染。分别统计两组动物甲、乙、丙三级愈合的病例数。实验结果表明:实验组的40例大鼠表皮符合甲级的愈合标准;对照组大鼠有32例出现了化脓现象,有8例伤口红肿比较严重。从以上结果可以看出,本发明的涂覆有抗菌肽的纱布具有较好的伤口杀菌处理效果。
上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
序列表
〈110〉顾银凤
〈120〉一种医疗用抗菌纱布
〈210〉1
〈211〉18
〈212〉PRT
〈400〉WSJ-1
CGCCQVCKMWNYFSVLHS
〈210〉2
〈211〉17
〈212〉PRT
〈400〉WSJ-2
CTRDASGVKTCEAMQGM
〈210〉3
〈211〉16
〈212〉PRT
〈400〉WSJ-3
SPVWPRIRPSSPSRSI
〈210〉4
〈211〉18
〈212〉PRT
〈400〉WSJ-4
VPTPDIWTWEYRQEQMKF
〈210〉5
〈211〉17
〈212〉PRT
〈400〉WSJ-5
IKTGSMGPHEKWNCNNA
〈210〉6
〈211〉16
〈212〉PRT
〈400〉WSJ-6
KWNRRTTYLWMTFGCH
〈210〉7
〈211〉18
〈212〉PRT
〈400〉WSJ-7
GQFHDPHTIVQHTYSPLK
〈210〉8
〈211〉17
〈212〉PRT
〈400〉WSJ-8
ERRHGLTTTDTKHSGWG
〈210〉9
〈211〉16
〈212〉PRT
〈400〉WSJ-9
FRDRLMTLSESWDNDH
〈210〉10
〈211〉18
〈212〉PRT
〈400〉WSJ-10
PASYDNDGSWWRIGVCGW
〈210〉11
〈211〉17
〈212〉PRT
〈400〉WSJ-11
DNVRLTYLPHTYITTQP
〈210〉12
〈211〉16
〈212〉PRT
〈400〉WSJ-12
DLQGIPDWSPDNIWKA
〈210〉13
〈211〉18
〈212〉PRT
〈400〉WSJ-13
YSYSRPWHMHSWSCPGSE
〈210〉14
〈211〉17
〈212〉PRT
〈400〉WSJ-14
LVMPSMVGRTARRPDRE
〈210〉15
〈211〉16
〈212〉PRT
〈400〉WSJ-15
CRSRIVKWMQANSYQD
〈210〉16
〈211〉18
〈212〉PRT
〈400〉WSJ-16
SHPEAWPKQTCHKGLHPH
〈210〉17
〈211〉17
〈212〉PRT
〈400〉WSJ-17
YQGSFPGGNGNEACTTK
〈210〉18
〈211〉16
〈212〉PRT
〈400〉WSJ-18
FHRLIAYVRSFPLDNF
〈210〉19
〈211〉18
〈212〉PRT
〈400〉WSJ-19
KPEIRSSRQCGRLKIHVW
〈210〉20
〈211〉17
〈212〉PRT
〈400〉WSJ-20
GIAGSTFRVRKRMATGH
〈210〉21
〈211〉16
〈212〉PRT
〈400〉WSJ-21
SPRHSQKSNACPREAI
〈210〉22
〈211〉18
〈212〉PRT
〈400〉WSJ-22
FEEPYPTRDVPSDGPLWM
Claims (1)
1.一种医疗用抗菌纱布的制备方法,将可溶性纱布坯布浸入聚乙烯亚胺的水溶液,该水溶液中聚乙烯亚胺的浓度为5-10mg/ml,同时该水溶液中还含有0.14mol/L的NaCl,将可溶性纱布坯布在该水溶液中往复振荡浸泡40分钟,会在可溶性纱布坯布的内外表面形成聚合物底层;然后置于100mL质量百分比浓度为0.01%的4,4’-二苯基二硫醇的甲醇溶液中反应5小时,反应后的可溶性纱布坯布经甲醇充分浸洗后真空干燥,与SEQ ID NO:1-22任一所示抗菌肽分别在辣根过氧化物酶和过氧化氢作用下反应,得到表面键合抗菌多肽的可溶性纱布。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610407321.2A CN105816904B (zh) | 2016-06-11 | 2016-06-11 | 一种医疗用抗菌纱布 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610407321.2A CN105816904B (zh) | 2016-06-11 | 2016-06-11 | 一种医疗用抗菌纱布 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105816904A CN105816904A (zh) | 2016-08-03 |
CN105816904B true CN105816904B (zh) | 2018-11-16 |
Family
ID=56532106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610407321.2A Active CN105816904B (zh) | 2016-06-11 | 2016-06-11 | 一种医疗用抗菌纱布 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105816904B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111035806A (zh) * | 2018-10-12 | 2020-04-21 | 上海市静安区闸北中心医院 | 一种抗感染生物材料及其制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101812801A (zh) * | 2009-12-23 | 2010-08-25 | 中国船舶重工集团公司第七一八研究所 | 一种具有抗菌性能的功能纤维 |
CN103623461A (zh) * | 2013-12-03 | 2014-03-12 | 安徽缘远博爱生物技术有限公司 | 一种消炎抗菌的可溶性止血纱布 |
CN103656732A (zh) * | 2013-12-11 | 2014-03-26 | 福州百正医药科技有限公司 | 一种新型敷料及其制备方法 |
CN105153285A (zh) * | 2015-09-17 | 2015-12-16 | 北京化工大学 | 抗菌肽 |
-
2016
- 2016-06-11 CN CN201610407321.2A patent/CN105816904B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101812801A (zh) * | 2009-12-23 | 2010-08-25 | 中国船舶重工集团公司第七一八研究所 | 一种具有抗菌性能的功能纤维 |
CN103623461A (zh) * | 2013-12-03 | 2014-03-12 | 安徽缘远博爱生物技术有限公司 | 一种消炎抗菌的可溶性止血纱布 |
CN103656732A (zh) * | 2013-12-11 | 2014-03-26 | 福州百正医药科技有限公司 | 一种新型敷料及其制备方法 |
CN105153285A (zh) * | 2015-09-17 | 2015-12-16 | 北京化工大学 | 抗菌肽 |
Also Published As
Publication number | Publication date |
---|---|
CN105816904A (zh) | 2016-08-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Nataraj et al. | Crosslinked chitosan films with controllable properties for commercial applications | |
Villanueva et al. | Smart release of antimicrobial ZnO nanoplates from a pH-responsive keratin hydrogel | |
Liu et al. | Bio-inspired redox-cycling antimicrobial film for sustained generation of reactive oxygen species | |
Tao et al. | Fabrication of gelatin-based and Zn2+-incorporated composite hydrogel for accelerated infected wound healing | |
Thattaruparambil Raveendran et al. | Ciprofloxacin-and fluconazole-containing fibrin-nanoparticle-incorporated chitosan bandages for the treatment of polymicrobial wound infections | |
Wu et al. | Antibacterial peptide-modified collagen nanosheet for infected wound repair | |
CN105288704B (zh) | 一种聚酰胺-胺树形分子改性壳聚糖创面修复水凝胶及其制备方法和应用 | |
Aubert-Viard et al. | Chitosan finishing nonwoven textiles loaded with silver and iodide for antibacterial wound dressing applications | |
Leonida et al. | Nanocomposite materials with antimicrobial activity based on chitosan | |
He et al. | Hemostatic, antibacterial and degradable performance of the water-soluble chitosan-coated oxidized regenerated cellulose gauze | |
Huang et al. | Evaluation of the Xanthan‐Based Film Incorporated with Silver Nanoparticles for Potential Application in the Nonhealing Infectious Wound | |
Scialla et al. | Bioactive chitosan‐based scaffolds with improved properties induced by dextran‐grafted nano‐maghemite and l‐arginine amino acid | |
Ungureanu et al. | Improving natural biopolymeric membranes based on chitosan and collagen for biomedical applications introducing silver | |
Lin et al. | Multifunctional gentamicin supplementation of poly (γ‐glutamic acid)‐based hydrogels for wound dressing application | |
Mirhaji et al. | Design, optimization and characterization of a novel antibacterial chitosan-based hydrogel dressing for promoting blood coagulation and full-thickness wound healing: A biochemical and biophysical study | |
CN105816904B (zh) | 一种医疗用抗菌纱布 | |
CN105832462A (zh) | 一种抗菌卫生巾 | |
Wang et al. | Photocuring and gelatin-based antibacterial hydrogel for skin care | |
CN104147632B (zh) | 特异性细胞粘附的壳聚糖护创液体敷料 | |
Chen et al. | A multifunctional chitosan composite aerogel based on high density amidation for chronic wound healing | |
Liu et al. | Dual-network hydrogels based on dynamic imine and borate ester bonds with antibacterial and self-healing properties | |
Ruan et al. | Biomimetic Antibacterial Gelatin Hydrogels with Multifunctional Properties for Biomedical Applications | |
CN109200326A (zh) | 用于伤口愈合的敷料及创口贴 | |
Karnik et al. | Ionic silver functionalized ovine forestomach matrix–a non-cytotoxic antimicrobial biomaterial for tissue regeneration applications | |
RU2398599C1 (ru) | Текстильный медьсодержащий целлюлозный материал |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20181010 Address after: 312000 Yue Wang Road, Po Jiang Industrial Area, Shaoxing, Zhejiang Applicant after: Shaoxing Yibon Medical Co., Ltd. Address before: 710049 Xi'an Jiao Tong University, 28 Xianning West Road, Xi'an, Shaanxi Applicant before: Gu Yinfeng |
|
GR01 | Patent grant | ||
GR01 | Patent grant |