Application of Certain π-Acceptors for the Spectrophotometric Determination of Alendronate Sodium in Pharmaceutical Bulk and Dosage Forms [0.03%]
某些π受体用于药物原料和制剂中阿仑膦酸钠分光光度法测定的应用研究
Asad Raza,Muhammad Zia-Ul-Haq
Asad Raza
Two simple, fast, and accurate spectrophotometric methods for the determination of alendronate sodium are described. The methods are based on charge-transfer complex formation of the drug with two π-electron acceptors 7,7,7,8-tetracyanoqui...
Mass Spectrometry of Bis-Quinolizidine Alkaloids: FAB-MS of Oxo-Substituted Sparteines [0.03%]
双喹唑啉生物碱的质谱：含氧取代的斯巴蒂因的FAB-MS
Beata Jasiewicz,Elżbieta Wyrzykiewicz
Beata Jasiewicz
The unpublished in the literature FAB mass spectral fragmentation of seven oxosparteines (i.e., 2-oxosparteine, 15-oxosparteine, 17-oxosparteine, 2,17-dioxosparteine, 2,13-dioxosparteine, 2-oxo-13-hydroxysparteine, and 2-oxo-17-hydroxyspart...
Sensitive and selective spectrophotometric determination of gabapentin in capsules using two nitrophenols as chromogenic agents [0.03%]
以两种硝基酚为显色剂的加巴喷丁胶囊的灵敏度和选择性的分光光度测定法
Sameer A M Abdulrahman,Kanakapura Basavaiah
Sameer A M Abdulrahman
Two simple and selective spectrophotometric methods have been proposed for the determination of gabapentin (GBP) in pure form and in capsules. Both methods are based on the proton transfer from the Lewis acid such as 2,4,6-trinitrophenol (p...
Frontal analysis continuous capillary electrophoresis study on the interaction of an amphiphilic alternating copolymer with triton x-100 [0.03%]
两亲交替共聚物与Triton X-100相互作用的前沿分析连续毛细管电泳研究
Akihito Hashidzume,Takuya Shimomachi,Takahiro Sato
Akihito Hashidzume
The interaction of amphiphilic alternating copolymers of sodium maleate and dodecyl vinyl ether (Mal/C12) with a nonionic surfactant, Triton X-100 (TX), was investigated by frontal analysis continuous capillary electrophoresis (FACCE). The ...
Utility of N-bromosuccinimide for the titrimetric and spectrophotometric determination of famotidine in pharmaceutical formulations [0.03%]
N-溴代丁二酰亚胺用于法莫替丁药物制剂中滴定分析和分光光度分析的价值
O Zenita,K Basavaiah
O Zenita
Two titrimetric and two spectrophotometric methods are described for the assay of famotidine (FMT) in tablets using N-bromosuccinimide (NBS). The first titrimetric method is direct in which FMT is titrated directly with NBS in HCl medium us...
Quantification of Lansoprazole in Oral Suspension by Ultra-High-Performance Liquid Chromatography Hybrid Ion-Trap Time-of-Flight Mass Spectrometry [0.03%]
超高效液相色谱飞行时间质谱法测定奥美拉唑口服混悬剂含量
Stacy D Brown,Justin D Connor,Nicholas C Smallwood et al.
Stacy D Brown et al.
An LC-MS/MS method was developed and validated to be used as a stability indicating assay for the study of a 3 mg/mL lansoprazole oral suspension. The method utilizes a UPLC (ultra-performance liquid chromatography) column and unique mass s...
Evaluation of acetylcholinesterase biosensor based on carbon nanotube paste in the determination of chlorphenvinphos [0.03%]
基于碳纳米管糊的乙酰胆碱酯酶生物传感器在氯氰菊酯测定中评价研究
A C Oliveira,L H Mascaro
A C Oliveira
An amperometric biosensor for chlorphenvinphos (organophosphorus pesticide) based on carbon nanotube paste and acetylcholinesterase enzyme (CNTs-AChE biosensor) is described herein. This CNTs-AChE biosensor was characterized by scanning ele...
Fluorescence Spectrometric Determination of Drugs Containing α-Methylene Sulfone/Sulfonamide Functional Groups Using N-Methylnicotinamide Chloride as a Fluorogenic Agent [0.03%]
N-甲基烟酸氯作为荧光引发剂测定含α-亚甲基砜/磺胺类药物的荧光光谱法
Khaled M Elokely,Mohamed A Eldawy,Mohamed A Elkersh et al.
Khaled M Elokely et al.
A simple spectrofluorometric method has been developed, adapted, and validated for the quantitative estimation of drugs containing α-methylene sulfone/sulfonamide functional groups using N(1)-methylnicotinamide chloride (NMNCl) as fluoroge...
A new spectrophotometric method for determination of selenium in cosmetic and pharmaceutical preparations after preconcentration with cloud point extraction [0.03%]
表面活性剂萃取分光光度法测定化妆品和药物中的硒
Mohammad Hosein Soruraddin,Rouhollah Heydari,Morteza Puladvand et al.
Mohammad Hosein Soruraddin et al.
A simple, rapid, and sensitive spectrophotometric method for the determination of trace amounts of selenium (IV) was described. In this method, all selenium spices reduced to selenium (IV) using 6 M HCl. Cloud point extraction was applied a...
A Comparative Electrochemical Behaviour Study and Analytical Detection of the p-Nitrophenol Using Silver Solid Amalgam, Mercury, and Silver Electrodes [0.03%]
一种银固汞电极、汞电极和银电极的电化学行为比较研究及p-硝基苯酚的测定
Djenaine De Souza,Lucia H Mascaro,Orlando Fatibello-Filho
Djenaine De Souza
This work reports a comparative electrochemical behaviour study and p-nitrophenol analytical detection using silver solid amalgam, hanging dropping mercury, and silver electrodes. For this, square wave voltammetry was employed, where the an...