نتایج جستجو برای: vinyl acetate copolymer

تعداد نتایج: 71563  

2008
X. M. Shi J. Zhang J. Jin S. J. Chen

Non-isothermal crystallization and subsequent melting of three grades of ethylene-vinyl acetate copolymer were investigated by differential scanning calorimetry (DSC) technique. The DSC crystallization curves show that vinyl acetate (VAc) content has the same effect on the onset, peak and final crystallization temperatures, and these copolymers have almost the same spacing of thermal windows un...

Journal: :Cancer research 1985
H Norppa F Tursi P Pfäffli J Mäki-Paakkanen H Järventaus

A 48-h treatment with vinyl acetate (0.05-1 mM) induced a drastic increase in sister chromatid exchanges (SCEs) and (in first division cells) structural chromosome aberrations in cultured human lymphocytes. The effects were more pronounced in cultures of isolated lymphocytes than in whole-blood cultures. A distinct dose-dependent induction of SCEs similarly occurred in Chinese hamster ovary cel...

Journal: :Journal of biomedical materials research. Part A 2006
Richard A Gemeinhart Christopher M Bare Richard T Haasch Ernest J Gemeinhart

In an attempt to interact natural bone and bone cells with biomaterials and to begin to develop modular tissue engineering scaffolds, substrates containing phosphonate groups were identified to mimic mineral-protein and natural polymer-protein interactions. In this study, we investigated poly(vinyl phosphonic acid) copolymer integration with existing materials as a graft-copolymer surface modif...

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