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- Ultrafast self-gelling powder mediates robust wet adhesion to promote . . .
Here we report a self-gelling and adhesive polyethyleneimine and polyacrylic acid (PEI PAA) powder, which can absorb interfacial water to form a physically cross-linked hydrogel in situ within 2 seconds due to strong physical interactions between the polymers
- Ultrafast Self‐Gelling and Wet Adhesive Powder for Acute Hemostasis and . . .
The advantages of PEI PAA QCS powder including rapid and effective hemostasis, effective wound healing, easy usage, low cost, and adaptability to fit complex target sites make it a promising biomaterial for surgical applications
- 华南理工大学边黎明教授课题组《Sci. Adv. 》：遇水自发形成水凝胶并在湿润动物组织表面形成强韧黏附的粉末
这项研究结果于近期以“Ultrafast self-gelling powder mediates robust wet adhesion to promote healing of gastrointestinal perforations”为标题发表在《Science Advances》上。 该工作第一作者为香港中文大学生物医学工程系 彭欣 博士，合作通讯作者是香港中文大学外科学系 赵伟仁教授，通讯作者 边黎明教授。 文章链接： https: advances sciencemag org content 7 23 eabe8739 作者简介： 边黎明教授2021年入职华南理工大学生物医学科学与工程学院，现任长江学者特聘教授。
- Ultra-fast self-gelling powder mediate robust wet adhesion to promote . . .
The strong wet adhesion, excellent cytocompatibility, adaptability to fit complex sites, and easy synthesis of PEI PAA powder make it a promising bioadhesive for numerous biomedical applications
- Ultrafast self-gelling, sprayable, and adhesive carboxymethyl chitosan . . .
In this paper, we reported an ultrafast self-gelling, sprayable, and adhesive CMCS γ-PGA OD (CPO) hemostatic powder via physically mixing CMCS, γ-PGA, and OD (Scheme 1) The CPO powder can rapidly absorb water to form an adhesive hydrogel in the gastric perforation site within 15 s
- In Situ Ultrafast Self‐gelling Coacervate Powder with Antibacterial . . .
The powder is capable of swiftly self-gelling in situ upon absorption of interfacial water, resulting in forming a tight adhesion with moist tissue surfaces Consequently, it exhibits significantly superior hemostatic efficacy compared to various commercial hemostatic materials
- Ultra-fast self-gelling powder mediate robust wet adhesion to promote . . .
Superficially deposited PEI PAA powder can absorb interfacial water to form tight contact with various wet substrates Furthermore, the physically crosslinked polymers can diffuse into the polymeric network of the wet substrates to further promote wet adhesion
- Chitooligosaccharide endowed tunable adhesion to self-gelling powders . . .
Here, we developed an ultrafast self-gelling powder compositing of acrylic acid 2-aminoethyl methacrylate copolymers (AMA) and chitooligosaccharide (COS) Upon absorbing water blood from wet tissue surfaces, AMA-COS powders could quickly transform into an integral hydrogel that firmly adhered to tissues (adhesion strength up to 37 74 kPa) based
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