可能主要是SPI在高压均质前保持天然状态,并且大多数疏水结构域埋在核心内,高压导致蛋白质结构发生解折叠,暴露出疏水氨基酸残基,并且解开多肽链,SPI和SI之间的疏水相互作用大大增强,并且产生了更紧凑的复合物,这可以通过FTIR结果进一步证实;对...
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in-situ FTIRPt : Sn atomic ratiosvibrational spectroscopyPt?Sn/C electrocatalysts with nominal Pt?:?Sn atomic ratios of 1?:?1, 2?:?1 and 3?:?1 were synthesized via the polyol method. The effects of the atomic ratios on their catalytic activity for the ethanol oxidation reaction (...
(美国赛 莫飞世尔科技公司)测定.使用 Al Kα(1486.6 eV, 10 kV × 23 mA)射线源,以 C 1s 结合能(284.8 eV) 对荷电效应引起的位移进行较正.催化剂表面的 Lewis 酸 ( L 酸 ) 和 Brönsted 酸 ( B 酸 ) 的含量是由 Vertex 70 型 ( Py-FTIR) ( 德国 Bruker 公司 )...
以活性炭负载 SnCl4.5H2O为催化剂,利用微波技术合成8种2,2-二羟甲-基1,3-丙二醇双缩醛(酮),其中,2,2-二羟甲基-1,3-丙二醇双缩辛醛属 新化合物.采用元素分析,傅里叶转换红外光谱(FTIR)和氢核磁共振1H NMR对产物进行表征.以苯甲醛与2,2-二羟甲基-1,3-丙二醇的缩合为模型反应对工艺条件进行优化,得其...
公司拥有使用国外引进的一系列专业仪器设备的条件,如:CS Bio CS336X 多肽合成仪器(CS Bio)、安捷伦LC-MS液质联用仪、GC-MS气相色谱质谱联用仪、原子荧光光谱仪、纳米傅里叶红外光谱仪-Nano-FTIR、布鲁克600MHz核磁共振NMR波谱仪、冷冻干燥机,紫外分光光度计、透射电子显微镜(TEM)、Krios G3i型冷冻TEM等。具有...
The attenuated total reflection (ATR) Fourier transform infrared (FTIR) spectra were obtained using a Thermo scientific Nicolet iS10 spectrometer. The Brunauer-Emmett-Teller (BET) surface areas of the as-prepared powder samples were measured using a Quantachrome ChemBET TPR/TPD analyzer equipped with...
Transversely Excited Atmospheric (TEA) CO2 laser-irradiation of gaseous tetramethylgermane (TMG)-tetramethyltin (TMT) mixtures in Ar results in decomposition of both organometallic compounds and in chemical vapour deposition of nanostructured films analyzed by FTIR and Raman spectroscopy, X-ray diffraction...
Various characterizations such as X-rays diffraction (XRD), UV–Vis spectroscopy, field emission electron microscopy (FESEM), Fourier transform infrared spectroscopy (FTIR), BET porosimeter analysis, vibrational sample magnetometry (VSM), and cyclic voltammetry (CV) were used to analysis the ...
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