
Preparation and evaluation of adipic acid dihydrazide cross-linked ...
2016年8月5日 · Adipic acid dihydrazide (ADH) was used to cross-link carboxymethyl chitosan (CMCS) microspheres for Cu 2+ removal from aqueous solution. SEM, FTIR, XPS and BET techniques were performed to characterize the ADH …
新型 pH 响应型 CaO2@ZIF-67-HA-ADH 涂层可有效增强钛植入物 …
透明质酸-己二酸二酰肼(ha-adh)。 我们通过扫描电子显微镜(SEM)、透射电子显微镜(TEM)、傅里叶变换红外(FTIR)光谱、X射线光电子能谱(XPS)和电感耦合等离子体原子光谱对CaO 2 @ZIF-67-HA-ADH进行了表征。
Metal Hydride-Embedded Titania Coating to Coordinate Electron …
2020年12月23日 · The MH/TiO 2 coating plays two vital roles: (1) protecting alcohol dehydrogenase (ADH) from deactivation by the GCN core and MH in the coating and (2) permitting electron transfer from GCN to nicotinamide adenine dinucleotide (NAD +) and then to formaldehyde catalyzed by ADH.
Injectable multifunctional carboxymethyl chitosan/hyaluronic acid ...
2023年9月30日 · Injectable hydrogels with notable mechanical properties and self-healing ability are promising carriers for use as a drug delivery system. Here, adipic acid dihydrazide (ADH) and calcium ions (Ca 2+) were introduced into quaternary ammonium carboxymethyl chitosan and aldehyde-modified hyaluronic acid hydrogels (QCS + OHA). The hydrogels were ...
Preparation and evaluation of adipic acid dihydrazide cross-linked ...
SEM, FTIR, XPS and BET techniques were performed to characterize the ADH cross-linked CMCS (ADH-CMCS) microspheres. The effects on adsorption capacities of pH value, adsorption time, and initial Cu 2+ concentration were investigated. The adsorption experiments demonstrated ADH-CMCS microspheres had high adsorption capacity for Cu 2+ removal.
XPS spectra registered before ( 1 ) and after ( 2 ) removal of buffer ...
Download scientific diagram | XPS spectra registered before ( 1 ) and after ( 2 ) removal of buffer residuum from ADH-II layers by rinsing in distilled water.
超级详解丨XPS原理、特点,定性、定量、深度剖析和角分辨电子 …
X 射线光电子能谱( X-ray photoecectron spectroscopy, XPS) 技术是一种通过一束入射到样品表面3~10nm 深度的光子束,检测材料表面信息的无损测量技术。XPS 技术能很好地使样品保持其原有的结构信息,可用于定性…
X射线光电子能谱(XPS)谱图分析 - 知乎 - 知乎专栏
X光电子能谱分析的基本原理:一定能量的X光照射到样品表面,和待测物质发生作用,可以使待测物质原子中的电子脱离原子成为自由电子。 该过程可用下式表示: hn=Ek+Eb+Er (1) 其中:hn:X光子的能量;Ek:光电子的能量;Eb:电子的结合能;Er:原子的反冲能量。 其中Er很小,可以忽略。 对于固体样品,计算结合能的参考点不是选真空中的静止电子,而是选用 费米能级,由内层电子跃迁到费米能级消耗的能量为结合能Eb,由费米能级进入真空成为自由电子所 …
X射线光电子能谱仪(XPS)-XPS的定义、应用范围、原理及方法 …
XPS,全称为X-ray Photoelectron Spectroscopy( X 射线光电子能谱 ),是一种使用电子谱仪测量X - 射线光子辐照时样品表面所发射出的光电子和 俄歇电子 能量分布的方法。通过收集在入射X 光作用下,从材料表面激发的电子能量、角度、强度等信息对材料表面进行定性 ...
Covalent Immobilization of Dehydrogenases on Carbon Felt for …
2022年7月20日 · Alcohol dehydrogenase (ADH) and formate dehydrogenase (FDH) were covalently immobilized on CF electrodes using aldehyde groups. The enzymatic electrosynthesis was performed with the prepared bioelect...