Results 1 to 10 of about 926,996 (209)

pH Controlled Condition for Selective Simultaneous Determination of Nickel and Cobalt in Alloys by First Derivative Spectrophotometry [PDF]

شیمی کاربردی روز, 2009
1-(2-Pyridylazo)-2-naphthol (PAN) has been used for the simultaneous determination of nickel and cobalt at trace levels. PAN complexes of nickel and cobalt in the pH 1.89 form red and green colored complexes, respectively which are soluble in aqueous ...
Habibollah Eskandari, Mansour Arab Chamjangali   +1 more
doaj   +1 more source

Nitrogen-doped carbon@TiO2 double-shelled hollow spheres as an electrochemical sensor for simultaneous determination of dopamine and paracetamol in human serum and saliva

Journal of Pharmaceutical Analysis, 2022
As the most commonly used antipyretic and analgesic drug, paracetamol (PA) coexists with neurotransmitter dopamine (DA) in real biological samples. Their simultaneous determination is extremely important for human health, but they also interfere with ...
Hui Yang, Gongxun Cao, Yongjun Huang, Ye Lin, Fengying Zheng, Luxiu Lin, Fengjiao Liu, Shunxing Li   +7 more
doaj   +1 more source

Simultaneous Determination of Fourteen Marker Compounds in the Traditional Herbal Prescription, Geumgwesingihwan, Using Ultra-Performance Liquid Chromatography–Tandem Mass Spectrometry

Molecules, 2022
Geumgwesingihwan (GSH) is a traditional herbal prescription composed of eight medicinal herbs: Rehmannia glutinosa (Gaertn.) DC., Dioscorea japonica Thunb., Cornus officinalis Siebold and Zucc., Poria cocos Wolf, Paeonia suffruticosa Andrews, Alisma ...
Chang-Seob Seo, Mee-Young Lee
doaj   +1 more source

A new gas chromatographic method development and validation for the simultaneous determination of ibuprofen and caffeine in bulk and pharmaceutical dosage form

Future Journal of Pharmaceutical Sciences, 2020
Background Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) that has analgesic, anti-inflammatory, and antipyretic properties. Caffeine is one of the most common adjuvant analgesic drugs which is combined with ibuprofen in commercially ...
Celine Zambakjian, Amir Alhaj Sakur
doaj   +1 more source

Quality Evaluation of Tetrastigmae Radix from Two Different Habitats Based on Simultaneous Determination of Multiple Bioactive Constituents Combined with Multivariate Statistical Analysis

Molecules, 2022
Tetrastigmae Radix, also known as Sanyeqing (SYQ) in Chinese, is an important traditional Chinese medicine with a long history. Tetrastigma hemsleyanum Diels et Gilg mainly grows in the south of the Yangtze River and is widely distributed. The content of
Haijie Chen, Yongyi Zhou, Jia Xue, Jiahuan Yuan, Zhichen Cai, Nan Wu, Lisi Zou, Shengxin Yin, Wei Yang, Xunhong Liu, Jianming Cheng, Li Tang   +11 more
doaj   +1 more source

Simultaneous determination of signal and background asymmetries [PDF]

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 2009
This article discusses the determination of asymmetries. We consider a sample of events consisting of a peak of signal events on top of some background events. Both signal and background have an unknown asymmetry, e.g. a spin or forward-backward asymmetry.
Pretz, Jörg, Goff, Jean-Marc Le
openaire   +2 more sources

Rapid, Simultaneous, and Automatic Determination of Lead and Cadmium in Cereals with a New High Performance Composite Hollow Cathode Lamp Coupled to Graphite Furnace Atomic Absorption Spectrometry

Molecules, 2022
A simple, rapid, sensitive, accurate, and automatic graphite furnace atomic absorption spectrometry (GFAAS) method for detecting Cd and Pb in cereals is presented.
Yanxiang Wu, Songxue Wang, Weibing Cui, Wei Tian, Jieqiong Zhang, Xi Chen, Minghui Zhou   +6 more
doaj   +1 more source

Determinação simultânea de cobalto e níquel Simultaneous determinations of nickel and cobalt: a review

Química Nova, 1998
The simultaneous determination of cobalt and nickel is a classical analytical problem. A great number of reagents associated with several techniques of analysis have been applied to achieve this determination.
Patrícia Alexandra Antunes, Susete Trazzi Breviglieri, Gilberto Orivaldo Chierice, Éder Tadeu Gomes Cavalheiro   +3 more
doaj   +1 more source

Mimotopes for Mycotoxins Diagnosis Based on Random Peptides or Recombinant Antibodies from Phage Library

Molecules, 2021
Mycotoxins, the small size secondary metabolites of fungi, have posed a threat to the safety of medicine, food and public health. Therefore, it is essential to create sensitive and effective determination of mycotoxins.
Wei Sun, Yan Zhang, Zhigang Ju
doaj   +1 more source

Determinação simultânea de olanzapina e cloridrato de fluoxetina em formulações farmacêuticas por espectrofotometria derivativa

Química Nova, 2012
Simple, sensitive and accurate spectrophotometric derivative methods were developed for the simultaneous determination of olanzapine and fluoxetine hydrochloride in pharmaceutical formulations by derivative spectrophotometry.
Jacira Izidório de Moura, Graziella Ciaramella Moita   +1 more
doaj   +1 more source