"Cross-linking is a real surgical procedure, which in most forms involves removal of the corneal epithelium," notes A. John Kanellopoulos, MD, clinical associate professor of ophthalmology at NYU Medical School and director of the Laservision.gr Institute in Athens, Greece.
organic solvent. Nevertheless, this type of cross-linking is not stronger like chemical cross-linking. This review is mainly focused on the discussion of the effect of chemical cross-linking on polymer properties. Different in-situ polymer cross-linking methods are described below. 2.1. Free-radical polymerization
In addition to the water soluble organic polymer, the aqueous solution can further comprise a crosslinking agent. The crosslinking agent is thermally active to cause the organic polymers of the barrier layer to crosslink. Crosslinking can occur in the water soluble organic polymer, the water insoluble organic polymer or both.
Hydrogel nanoparticles have gained considerable attention in recent years as one of the most promising nanoparticulate drug delivery systems owing to their unique potentials via combining the characteristics of a hydrogel system (e.g., hydrophilicity and extremely high water content) with a nanoparticle (e.g., very small size).
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Crosslinking is the process of chemically joining two or more molecules by a covalent bond. The technique, often called bioconjugation when referring to its use with proteins and other biomolecules, is an essential component of many proteomics methods, including creation of detectable probes for ...
Hydrophilized Crosslinking Agent In order to improve cohesion, adhesion and thermal stability after application, aqueous adhesives can be combined with water-dispersible crosslinking agents. The Basonat ® range sold by BASF includes such systems, which facilitate the development of both aqueous two-component adhesives and the formulation of ...
Crosslinking agent synonyms, Crosslinking agent pronunciation, Crosslinking agent translation, English dictionary definition of Crosslinking agent. n. A chemical bond formed between adjacent chains of a complex molecule such as a polymer.
In polymer chemistry "cross-linking" usually refers to the use of cross-links to promote a change in the polymers' physical properties. When "crosslinking" is used in the biological field, it refers to the use of a probe to link proteins together to check for protein–protein interactions, as well as other creative cross-linking methodologies.
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Can you suggest a technique for crosslinking chitosan with hyaluronic acid? ... Join for free. ... Can anyone suggest me some crosslinking agents to crosslink with chitosan. I'm working on ...
Browse Sigma-Aldrich's Crosslinking Agents to find products in Crosslinkers
Thiol-containing reducing agents (e.g., DTT or 2-mercaptoethanol) must be avoided in the sample solution during all steps before and during photo-activation, because they reduce the azide functional group to an amine, preventing photo-activation. Reactions can be performed in a variety of amine-free buffer conditions.
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Crosslinkers / Curing Agents / Hardeners Crosslinking is a process of associating polymers through a chemical bond. In most of the cases it is irreversible and can be either intra or inter-molecular.
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Comparison of Different Crosslinking Methods for Preparation of Docetaxel-loaded Albumin Nanoparticles Hassan Niknejad a, b, * and Raziyeh Mahmoudzadeh b a Department of Tissue Engineering, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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In terms of chemistry, the crosslinking agent market has been segmented into polycarbodiimide, polyisocyanate, polyaziridine, and others (amine, amino, and amide). A crosslinking agent should have characteristics such as good chemical resistance, good compatibility, VOC free, no gas developments, long pot life, and should be easy to use.
(A) providing a coating composition in a fluid state, the coating composition comprising, (i) about 1-25 wt. % of an organic polymer material comprising (a) about 1-99 wt. % of water insoluble organic polymer, and (b) a complementary amount to total 100 wt. % of a water soluble organic polymer, (ii) about 0.5-10 wt. % of a crosslinking agent ...
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