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The 19th International Sol-Gel Conference will be held on September 3-8, 2017 in Liege, Belgium. The conference is organized in conjunction with the International Sol-Gel Society (ISGS). Previous edit...
Sol-gel Transition of Methylcellulose Solution in the Coexistence of Hexadecyltrimethylammonium Bromide and Sodium Chloride
Sol-gel transition Methylcellulose NaCl HTAB
2012/4/5
The sol-gel transition of methylcellulose (MC) solution in the presence of NaCl and hexade-cyltrimethylammonium bromide (HTAB), together with MC/NaCl solution in the presence of HTAB and MC/HATB solut...
Friedel-Crafts acylation of arenes with carboxylic acids using silica gel supported AlCl3
Acylation aluminium trichloride ketones silica gel
2010/10/19
Aromatic compounds react smoothly with carboxylic acids in the presence of silica gel supported aluminium trichloride to afford the corresponding ketones with high regioselectivity in high to excellen...
A Reusable Capacitive Immunosensor Based on a CuS Ultrathin Film Constructed by Using a Surface Sol-Gel Technique
Reusable Capacitive Immunosensor Based CuS Ultrathin Film Constructed Surface Sol-Gel Technique
2010/9/17
A capacitive sensing method based on a CuS ultrathin film modified electrode prepared by a surface sol-gel technique has been developed for the direct detection of human IgA. The resulting CuS film wa...
A Reflectance Flow-through Thionine Sol-gel Sensor for the Determination of Se(IV)
Reflectance Flow-through Thionine Sol-gel Sensor Determination of Se
2010/9/13
In this work, a reversible sensor to assess the total Se(IV) content in samples is described. Pre-activated glass slides were spin-coated with 100 μL of a 20-h aged sol-gel mixture of 1 mL of tetrame...
纳米晶钛酸钡的Sol-gel法制备及其尺寸效应
BaTiO3 尺寸效应 XRD 相变
2010/1/5
采用sol-gel法制备了不同粒径的钛酸钡（BT）纳米晶粉. XRD、Raman光谱和DSC测试结果显示,随着退火温度的升高，晶粒长大，晶胞的a轴逐渐减小， c轴逐渐增大.粒径在54 nm左右时，钛酸钡由顺电立方相向铁电四方相结构转变，在立方-四方相变过程中，晶胞略微膨胀.随着粒径的减小，正交-四方相变温度升高，四方-立方相变温度降低， Raman谱峰降低和宽化，粒径为38 nm左右时四方相的特征...
Simultaneous Determinations of Cr(VI) and Cr(III) by Ion-Exclusion/Cation-Exchange Chromatography with an Unmodified Silica-Gel Column
Cr(VI) Cr(III) Ion-Exclusion/Cation-Exchange Chromatography an Unmodified Silica-Gel Column
2010/9/19
In order to characterize the ion-exclusion and cation-exchange properties of an unmodified silica-gel column, the retention behaviors of Cr(VI) and Cr(III) ions were investigated using a Develosil 30-...
Solid-Phase Extractors Based on 8-Aminoquinoline and 2-Aminopyridine Covalently Bonded to Silica Gel for the Selective Separation and Determination of Calcium in Natural Water and Pharmaceutical Samples
Solid-Phase Extractors 8-Aminoquinoline 2-Aminopyridine Covalently Bonded Silica Gel the Selective Separation Calcium
2010/9/20
Two new silica-gel phases were produced directly via the chemical interaction of 3-chloropropyltrimethoxysilane modified silica gel with 8-aminoquioline, phase I and 2-aminopyridine, phase II under re...
Sol-gel自蔓燃法控制合成二氧化钛纳米粉体及性能
Sol-gel自蔓燃 二氧化钛 纳米粉体 控制合成
2009/12/3
采用化学络合溶胶-凝胶法,结合自蔓燃合成工艺制备了结构可控、分散性良好的TiO2纳米粉体.考察了原料组成、凝胶膨胀程度和温度机制对粉体结构、分散性的影响,用漫反射光谱测试了所制备粉体的光吸收性能. 结果表明,将原料中氧化剂与还原剂的摩尔比从2增加到7,在600 ℃的煅烧温度下可以得到金红石含量在25％～68.2％之间的TiO2,这些结构不同的粉体粒度为30 nm左右;凝胶前驱体经过150 ℃充分膨...
用荧光光谱跟踪钙-海藻酸水溶液的Sol-gel转变
Sol-gel转变 物理凝胶化 荧光光谱 海藻酸
2009/11/13
为了克服传统方法在测定凝胶化点的同时, 作用力对物理交联点的破坏和对大分子链运动的干扰, 探索和建立不施加应力的凝胶化点测定方法, 采用荧光光谱跟踪了异硫氰酸荧光黄(FITC)标记海藻酸与钙离子在水溶液中螯合的物理凝胶化. 随着凝胶化的进行, 荧光相对强度和各向异性比在凝胶化时间曲线的80 min时出现了明显的转折点, 与Winter方法得到的凝胶化点(80 min)完全一致. 因此可以利用...
酞菁键合硅胶的制备及分离取代酞菁异构体（Preparation of Phthalocyanine Bonded Silica Gel for the Separation of Phthalocyanine Isomers）
酞菁键合硅胶 制备 分离 异构体
2010/8/18
制备和表征了一种新的酞菁键合硅胶，三-β-(辛巯基)-β-(磺酰胺基)-酞菁铜键合硅胶。研究了该键合酞菁硅胶作为HPLC固定相的基本色谱性能。实验结果表明，该固定相可以分离四-α-(2，2，4-三甲基-3-戊氧基)酞菁(铜、镍)的4种异构体，也可以观察到四-α-(2，2，4-三甲基-3-戊氧基)无金属酞菁的4种异构体，而商业C18(VERTEX Eurospher)却只能观察到两组峰，表明这种酞菁...
期刊信息
篇名
(ZrO2)0.85(REO1.5)0.15 (RE = Sc, Y) Solid Solutions Prepared via Three Gel Routes. 1. Gel formation and Calcination Behaviors
语种
英文
撰写或编译
撰写
作者
Yawen Zhang,Ang Li,Zhengguang Yan,Gang Xu,Chunsh...
Citrate Gel Synthesis and Characterization of (ZrO2)0.85(REO1.5)0.15(RE = Y, Sc) Solid Solutions
2007/7/28
期刊信息
篇名
Citrate Gel Synthesis and Characterization of (ZrO2)0.85(REO1.5)0.15(RE = Y, Sc) Solid Solutions
语种
英文
撰写或编译
撰写
作者
Ya-Wen Zhang,Zheng-Guang Yan,Fu-Hui Liao,Chun-Sheng Liao,Chun-Hua Yan*
第一作者单位...
Sol-gel Synthesis and Electrical Property of (ZrO2)0.85(REO1.5)0.15 (RE=Sc, Y) Solid Solutions
2007/7/28
期刊信息
篇名
Sol-gel Synthesis and Electrical Property of (ZrO2)0.85(REO1.5)0.15 (RE=Sc, Y) Solid Solutions
语种
英文
撰写或编译
撰写
作者
Yawen Zhang,Yu Yang,Shujian Tian,Chunsheng Liao,Chunhua Yan*
第一作者单位
北京大学
刊物名称
J...
期刊信息
篇名
(ZrO2)0.85(REO1.5)0.15 (RE = Sc, Y) Solid Solutions Prepared via Three Gel Routes. 2. Sintering and Electrical Properties
语种
英文
撰写或编译
撰写
作者
Yawen Zhang,Ang Li,Zhengguang Yan,Gang Xu,Chunsheng ...