نتایج جستجو برای: physical crosslinking

تعداد نتایج: 671378  

2005
M. Madani M. M. Badawy

The influence of both electron beam irradiation and step-crosslinking process on the high abrasion furnace (HAF) carbon black loaded natural rubber (NR) vulcanizates are reported. With irradiation, a higher crosslinking density, ν, thermal conductivity, λ, glass transition temperature, Tg, and decreased specific heat capacity, Cp, have been observed for the irradiated materials as compared with...

2013
Géraldine Merle Filipoi Carmen Ioana Dan Eugen Demco Michel Saakes Seyed Schwan Hosseiny

Highly conductive and low vanadium permeable crosslinked sulfonated poly(ether ether ketone) (cSPEEK) membranes were prepared by electrophilic aromatic substitution for a Vanadium/Air Redox Flow Battery (Vanadium/Air-RFB) application. Membranes were synthesized from ethanol solution and crosslinked under different temperatures with 1,4-benzenedimethanol and ZnCl2 via the Friedel-Crafts crosslin...

Journal: :Biotechnology and bioengineering 2014
Michal Buch Yariv Wine Yael Dror Sonia Rosenheck Mario Lebendiker Rita Giordano Ricardo M F Leal Alexander N Popov Amihay Freeman Felix Frolow

The use of protein crystals as a source of nanoscale biotemplates has attracted growing interest in recent years owing to their inherent internal order. As these crystals are vulnerable to environmental changes, potential applications require their stabilization by chemical crosslinking. We have previously shown that such intermolecular chemical crosslinking reactions occurring within protein c...

2004
Nan Li

Chitosan, a natural polysaccharide, has increasingly been studied as an adsorbent for heavy metal removal in recent years. The amine groups in chitosan are generally known to be the main adsorption sites for heavy metal ions. However, due to the instability of chitosan in acidic solutions, chemical crosslinking has often been used to enhance the acidic resistance of the material. Since most of ...

Journal: :Small 2023

Thermo-Responsive Nanocomposite Bioinks Poly(organophosphazene)-based thermo-responsive nanocomposite bioink, with tunable mechanical property under a moderate temperature range, exhibits good 3D printing outcomes without additional chemical crosslinking process. The bioink encapsulates growth factors through physical interaction, exhibiting biological activities and therapeutic potential for b...

2011
Hamed Mofeez Anwar Alaa M El-Danasoury Ayman Nasr Hashem

PURPOSE To report the use of corneal collagen crosslinking in the treatment of infective keratitis not responding to antimicrobial therapy. METHODS Two retrospective case reports of infective keratitis treated with corneal collagen crosslinking. RESULTS In both cases, corneal collagen crosslinking caused a rapid resolution of the infective keratitis, leaving residual stromal scarring. Due t...

2010

INTRODUCTION: The feasibility of using crosslinking reagent, e.g., the genipin or methylglyoxal, to enhance the biomechanical functions of the injured or degenerated intervertebral disc has been extensively investigated. Our previous study found that genipin could recover the disc dynamic properties of mild denatured disc; however, the recovery efficiency was degraded by fatigue loading. Genipi...

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