Luyuan Yang

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This study reports the development and use of a novel thermoresponsive polymeric nanofilm for controlling cell adhesion and growth at 37 °C, and then cell detachment for cell recovery by subsequent temperature drop to the ambient temperature, without enzymatic cleavage or mechanical scraping. A copolymer, poly(N-isopropylacrylamide-co-hydroxypropyl(More)
The analysis of amino acids in foodstuff was carried out by Nuclear Magnetic Resonance (NMR). The <sup>1</sup>H NMR, <sup>13</sup>C NMR and 2D NMR (HSQC) were applied for qualitative study, and inverse-gated-decoupling <sup>13</sup>C NMR was used for quantitative study. The relative standard deviation was between 0.65%&#x223C;3.59% (n=6). The range of(More)
Silk fibroin (SF) films were modified with gelatin (G) to explore if such SF/G films could enhance the surface biocompatibility of silk as cell growth biomaterials. Ultrathin films were coated from aqueous SF solutions pre-mixed with different amounts of G. It was found that the SF/G blended films after methanol treatment were highly stable in physiological(More)
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