Derivatives of Phenylene-1,2-diamine as Modifiers for Unsaturated Polyester Resins [0.03%]
苯撑-1,2-二胺衍生物作为不饱和聚酯树脂的改性剂
Renata Lubczak,Jerzy Duliban
Renata Lubczak
The results are presented on the synthesis of new modifiers for unsaturated polyester resins, obtained by reacting ethylene oxide or propylene oxide with phenylene-1,2-diamine. The effect of the modifiers and cobalt accelerator on the react...
Oxidovanadium(V) and Dioxidomolybdenum(VI) Complexes of N'-(3,5-Dichloro-2-hydroxybenzylidene)-4-fluorobenzohydrazide: Synthesis, Characterization, Crystal Structures and Catalytic Property [0.03%]
N'-(3,5-二氯-2-羟基苯基甲基idyne)-4-氟苯胲杂多配合物的合成、表征及晶体结构和催化性能研究
Huan-Yu Liu,Yi-Shu Yin,Luo-Ju Yang et al.
Huan-Yu Liu et al.
N'-(3,5-Dichloro-2-hydroxybenzylidene)-4-fluorobenzohydrazide (H2L) was used to prepare oxidovanadium(V) complex [VOL(OEt)(MeOH)] (1) and dioxidomolybdenum(VI) complex [MoO2L(OH2)]·[MoO2L(EtOH)] (2). The complexes were characterized by IR,...
Design, Synthesis and In Vitro Cytotoxic Activity of New 6,9-Disubstituted Purine Analogues [0.03%]
新的6,9-位双取代嘌呤类似物的设计、合成及体外细胞毒活性研究
Asligul Kucukdumlu,Meral Tuncbilek,Ebru Bilget Guven et al.
Asligul Kucukdumlu et al.
A series of new 6,9-disubstituted purine analogs with 4-substituted piperazine at C-6 and 4-substituted benzyl at N-9 were designed and synthesized in four steps. All synthesized compounds (7-26) were screened initially for their in vitro a...
Synthesis and Characterization of Tetrachloro-1,3-Oxazepine Derivatives and Evaluation of their Biological Activities [0.03%]
四氯-1,3-氧氮杂环庚烷衍生物的合成、表征及活性研究
Abdullah Hussein Kshash
Abdullah Hussein Kshash
6,7,8,9-Tetrachloro[1,3]oxazepine-1,5-dione derivatives 1b-10b have been synthesized by reacting Schiff bases 1a-10a with tetrachlorophthalic anhydride (TCPA) under (2 + 5 ∆ 7) cycloaddition reaction conditons. All reactions had been monit...
Development and Validation of the Simple and Sensitive Spectrophotometric Method of Amoxicillin Determination in Tablets using Sulphanilamides [0.03%]
简单灵敏的磺胺化-分光光度法测定阿莫西林片中的氨苄青霉素含量及其验证研究
Đžksana Kostiv,Olha Korkuna,Petro Rydchuk
Đžksana Kostiv
A rapid, simple and sensitive spectrophotometric method for the determination of amoxicillin (AM) is described. The method is based on the previous sulphanilamide (SA) and sulphathiazole (STZ) diazotization in the medium of 0.6-0.7 M hydroc...
Oxygen Barrier and Thermomechanical Properties of Poly (3-hydroxybutyrate-co-3-hydroxyvalerate) Biocomposites Reinforced with Calcium Carbonate Particles [0.03%]
具有碳酸钙粒子的聚(3-羟基丁酸-co-3-羟基戊酸)生物复合材料的氧气阻隔和热机械性能
Semra Kirboga,Mualla Öner
Semra Kirboga
This study aimed to prepare poly (3-hydroxybutyrate-co-3-hydroxyvalerate), biocomposites with incorporating various percentages of calcium carbonate using extrusion processing. Calcium carbonate was synthesized in the absence and presence o...
Hybrid Membranes Based on Clay-Polymer for Removing Methylene Blue from Water [0.03%]
基于粘土-聚合物的混合膜去除水中的亚甲基蓝
Ahmed M Khalil,Sayed H Kenawy
Ahmed M Khalil
Water pollution is a serious environmental problem. Methylene blue is among the dyes that may exist in waste water. Adsorption is an effective process to remove dyes from contaminated water. Hybrid membranes based on clay-polymer; namely ka...
Studies on Morphology and Photoluminescent Properties of Tb3+ Doped YbPO4 Nanostructures Synthesized by Different Synthetic Methods [0.03%]
不同方法合成的YbPO4:Tb3+纳米结构的形貌和发光性能研究
Heena Khajuria,Manesh Kumar,Lobzang Tashi et al.
Heena Khajuria et al.
The morphology dependent optical properties of Tb3+ in YbPO4 host lattice have been investigated. 10 % Terbium doped ytterbium phosphate (YbPO4:Tb3+) nanostructures (NSs) were synthesized by five different synthetic methods i.e. sonochemica...
Environmental Friendly Synthetic Modification of Amberlite XAD-2 Resin for the Removal of Highly Toxic Hexavalent Chromium from Water [0.03%]
一种环保的合成改良法，利用Amberlite XAD-2树脂从水中去除毒性很高的六价铬
Waqas Jamil,Zunaira Memon,Saima Qayyum Memon et al.
Waqas Jamil et al.
Amberlite XAD-2 functionalized by coupling through -C=N- spacer with isatin via an environmental friendly protocol. The modified resin was used for the evaluation of its sorption capacity towards toxic Cr (VI) ions using spectrophotometer. ...
Formulation and Evaluation of Multidose Propofol Nanoemulsion Using Statistically Designed Experiments [0.03%]
采用统计设计实验方法制备和评价多次使用的普鲁泊福纳米乳剂配方
Sidhartha Sankar Hota,Satyanarayan Pattnaik,Subrata Mallick
Sidhartha Sankar Hota
Despite of the clinical, scientific, and commercial development, many patients complain about pain on the intravenous injection of propofol. Present work was undertaken to develop a stable multi-dose propofol nano-emulsion using 32 full fac...