全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Hua Du , Bobin Tang , Shurui Cao ...
来源:[J].Microchemical Journal(IF 2.879), 2020, Vol.152Elsevier
摘要:Abstract(#br)Rhizoma Coptidis is a valuable medicine food homology plant, whose geographic origin is a topic of interest to both consumers and producers since the geographic origin determines its prices and efficacy. A novel method for discriminating the geographic origins o...
作者:Şule Dinç-Zor , Özlem Aksu Dönmez , Bürge Aşçı ...
来源:[J].Microchemical Journal(IF 2.879), 2020, Vol.152Elsevier
摘要:ABSTRACT(#br)In this study, a simple, accurate, precise and rapid HPLC method was developed for the simultaneous quantification of paracetamol (PAR), pseudoephedrine hydrochloride (PSE), dextromethorphan hydrobromide (DEX) and doxylamine succinate (DOX) along with colorants;...
作者:Derrick V. Gough , Sonia Schӧneich , Robert E. Synovec
来源:[J].Talanta(IF 3.498), 2020, Vol.210Elsevier
摘要:Abstract(#br)Partial modulation in the negative pulse mode was optimized for comprehensive two-dimensional gas chromatography (GC × GC) coupled to time-of-flight mass spectrometry (TOFMS). With partial modulation in the negative pulse mode, a flow of auxiliary carrier gas is...
作者:Silvana E. Vignaduzzo , Rubén M. Maggio , Alejandro C. Olivieri
来源:[J].Journal of Pharmaceutical and Biomedical Analysis(IF 2.947), 2020, Vol.179Elsevier
摘要:Abstract(#br)Today, pharmaceutical products are submitted to a large number of analytical tests, planned to either ensure or construct their quality. The official methods of analysis used to perform these determinations are very different in nature, but almost all demand the...
作者:Ji-Yeong Bae , Bharathi Avula , Jianping Zhao ...
来源:[J].Journal of Pharmaceutical and Biomedical Analysis(IF 2.947), 2020, Vol.177Elsevier
摘要:Abstract(#br)An UHPLC method was developed for the determination of 15 prenylflavonoids from aerial parts of Epimedium grandiflorum and related species (Berberidaceae). The separation was achieved using a reverse phased column and water/acetonitrile gradient as a mobile phas...
作者:Gabriel G. Siano , Luciana Vera Candioti , Leonardo L. Giovanini
来源:[J].Chemometrics and Intelligent Laboratory Systems(IF 2.291), 2020Elsevier
摘要:Abstract(#br)In this work, the generation and posterior chemometric resolution of third-order data, obtained from samples processed by liquid chromatography (LC) with online registering of excitation-emission fluorescence matrices (EEM) is reported. Samples were instrumentally pr...
作者:Eduardo Laborda , Joaquín González , Francisco Martínez-Ortiz ...
来源:[J].Journal of Electroanalytical Chemistry(IF 2.672), 2020Elsevier
摘要:Abstract(#br)The complex theoretical problem of higher-order reversible electron transfers at electrodes and microelectrodes of different geometries is addressed by analytical mathematical methods. A novel and general approach is established, valid for uniformly and non-unif...
作者:Sagar Suman Panda , Ravi Kumar Venkata Varaha Bera , Sonal Mohanty ...
来源:[J].Journal of Liquid Chromatography & Related Technologies(IF 0.565), 2020, Vol.43 (3-4), pp.118-130Taylor & Francis
摘要:Abstract(#br)Analytical techniques with sound scientific understanding and assured regulatory flexibilities for post-approval change management are the need of the current pharma scenario. In the present study, the recent concept of analytical procedure development is utiliz...
作者:Marcela Astudillo , Andrés Blancas , Francisco Javier Fonseca Corona
来源:[J].Problemas del Desarrollo, 2017, Vol.48 (188), pp.29-54Elsevier
摘要:Abstract(#br)The aim of this paper is to demonstrate the lack of an explicit transparency obligation in terms of disclosing the amount of subnational public debt and limiting it in relevant legislation, which effectively allow subnational debt to balloon. To analyze this matter, ...

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