نتایج جستجو برای: water soluble polymers

تعداد نتایج: 680862  

Journal: :Polymer Chemistry 2022

We report the polymerization of dopamine analogue 4-(2-azidoethyl)benzene-1,2-diol (dopamine azide), where amine group is switched to azide, resulting in particles stable water but, contrast other polycatechol based polymers, soluble organic solvents.

Journal: :Macromolecular Rapid Communications 2023

Front Cover: Polymers Containing P-C Bonds in the main chain, wherein phosphorus(V), aromatic rings, and hydroxymethylene moieties are linked by bis(α-hydroxymethylene)phosphinic acid units, is synthesized via Abramov phosphonylation reaction as presented article 2200921 Siby Mathew, Yumiko Nakajima co-workers. The resulting polymers water soluble (pH > 10), display resilience against base cata...

2014
Dajun D. Sun Ping I. Lee

Water-insoluble materials containing amorphous solid dispersions (ASD) are an emerging category of drug carriers which can effectively improve dissolution kinetics and kinetic solubility of poorly soluble drugs. ASDs based on water-insoluble crosslinked hydrogels have unique features in contrast to those based on conventional water-soluble and water-insoluble carriers. For example, solid molecu...

A. Allahverdi,, K. Kianpur, M. R. Moghbeli,

Abstract: This work was designed to investigate the simultaneous effect of both water-to-cement (W/C) and polymer-to-cement(P/C) ratios on flexural strength of type V Portland cement pastes containing polyvinyl alcohol. The obtained resultsconfirmed the strong effect of W/C-ratio on the effectiveness of the added polymer so that there exist optimum valuesfor both W/C and P/C-ratios. Pastes prep...

2014
Subrata Chattopadhyay Elisabeth Heine Helmut Keul

In this work, we report the antimicrobial efficacy of azetidinium functionalized polytetrahydrofurans in solution and their application in the preparation of non leaching, antimicrobial surfaces. The excellent antimicrobial efficacy of these water soluble polymers both in solution and on surfaces (>99.99%–100% bacterial growth inhibition) makes them excellent candidates for solving the hygiene ...

Journal: :Applied microbiology 1974
R W Detroy P E Still

An experimental procedure developed to concentrate fungal viruses from large volumes of homogenized mycelia with water-soluble polymers, such as polyethylene glycol, possesses advantages over more conventional methods. Concentration of the Penicillium stoloniferum fast-moving virus from mycelial homogenates after addition of polyethylene glycol was rapid and produced large quantities of pure vi...

Journal: :Chemical communications 2013
Michael E Hahn Lyndsay M Randolph Lisa Adamiak Matthew P Thompson Nathan C Gianneschi

Polymers of norbornenyl-modified peptide-based enzyme substrates have been prepared via ring-opening metathesis polymerization (ROMP). Peptides displayed on water-soluble homopolymers retain the ability to be enzymatically processed by a disease-associated enzyme. In contrast, when the peptides are densely arrayed on a nanoparticle derived from a self-assembled amphiphilic block-copolymer, they...

2013
S. Krimm Lois Tiffany Harrison M. Randall

The evidence bearing on our revision of the early assignment of the circular dichroism spectrum of the maximally unordered polypeptide chain is reviewed. Our initial, as well as subsequent, studies are believed to support the proposed revision in assignment. This conclusion need not be modified in the light of recent work on water-soluble, non-ionizable polymers.

Journal: :Chemical communications 2015
Randa Ahmad Nordin Félidj Leïla Boubekeur-Lecaque Stéphanie Lau-Truong Sarra Gam-Derouich Philippe Decorse Aazdine Lamouri Claire Mangeney

We describe an original approach to graft molecularly imprinted polymers around gold nanorods by combining the diazonium salt chemistry and the iniferter method. This chemical strategy enables fine control of the imprinting process at the nanometer scale and provides water-soluble plasmonic nanosensors.

Journal: :Chemical communications 2013
Yiliu Liu Zehuan Huang Xinxin Tan Zhiqiang Wang Xi Zhang

Linear supramolecular polymers were obtained in aqueous solution by employing cucurbit[8]uril-based host-guest interaction as the driving force. Water-soluble monomers were prepared through direct metal-coordination. The rigid and bulky terpyridine-Fe linker can effectively enhance the monomer's solubility and suppress its cyclization, thereby promoting supramolecular polymerization.

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