原位XPS、原位XRD、原位Raman、原位FTIR 加急测试 朱老师 学研汇技术经理 158 7177 4683 www.xueyanhui.com
· 表征 DLS、Zeta、TEM、SEM、XRD、FTIR、IR、UV、NIR、XRF、Raman、ICP、载药率、包封率、稳定性、药物释放、细胞安全性、细胞摄取、细胞迁移实验、细胞凋亡、体内分布与代谢、药效评估、安全性评估等等 · 表面修饰及负载 靶向配体、抗体、核酸和环境响应基团修饰、荧光修饰、药物、基因、质粒和蛋白等包封、光敏...
synthesized by selectively esterifying D-Gulonic acid at positions 2,3,5, and 6, using acetic anhydride as a catalyst. The reaction yields tetraacetate deriving from lactone with a yield of around 80%. The resulting product is then characterized by various techniques including NMR, FTIR, and ...
循环伏安测试结果表明,该修饰电极对多巴胺的线性响应范围为10—100 µM,灵敏度为0.604 µA µM−1cm−2,检测限为0.24 µM。 图3. 制备的Co₃O₄ : Fe₂O₃纳米复合材料的ATR-FTIR图。 基于结构和电化学测试结果,...
We are OPTIK INSTRUMENTS, the offical BRUKER Optics distributor in the field of FTIR and Raman spectroscopy and CBRNE instruments.
熔点测定用YB-1型药物熔点测定仪;红外光谱用岛津FTIR-8400型傅立叶红外转换分光光度计;紫外吸收光谱用岛津UV-2550紫外分光光度计;质谱用IonSpec HiResESI型质谱仪测定,采用正离子检测;核磁共振BrukerAV600型核磁共振仪测定;薄层层析及柱层析硅胶均为青岛海洋化工厂产品;溶剂和显色剂均为分析纯。 2、结构鉴定 化合物...
(s, 1H, proton at position 5 of the oxazolopyrimidine system) (see Figure S21 in the Supplementary Materials); 13C-NMR (DMSO-d6, 75.5 MHz): δ (ppm) (see Figure S22 in the Supplementary Materials); ATR-FTIR: νmax (cm−1) 3377, 2873, 2753, 1657, 1606, 1576, 1430, 1377, ...
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原位红外光谱(FTIR)和原位拉曼光谱的结果有力的证明Gd-Cu2O具有生成更多*CO的优越能力,增强了*CO在催化剂表面的覆盖,促进了C2产物的形成。其次我们提出Cu和*O-CHCH2的相对键强度作为乙烯选择性的描述因子,并利用晶体轨道汉密尔顿密度(CO...
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