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Analytical Chemistry Insights

ISSN Print: 1177-3901

ISSN Online:

Website: http://www.la-press.com/analytical-chemistry-insights-journal-j1

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A Rapid Stability-Indicating RP-HPLC Method for the Determination of Betaxolol Hydrochloride in Pharmaceutical Tablets

Sylvain Auvity,Fouad Chiadmi,Salvatore Cisternino,Jean-Eudes Fontan

A Modified Method for Determination of Lumefantrine in Human Plasma by HPLC-UV and Combination of Protein Precipitation and Solid-Phase Extraction: Application to a Pharmacokinetic Study

Liusheng Huang, Patricia S. Lizak, Anura L. Jayewardene, Florence Marzan, Ming-Na Tina Lee and Francesca T. Aweeka

A Simple and Selective Spectrophotometric Method for the Determination of Trace Gold in Real, Environmental, Biological, Geological and Soil Samples Using Bis (Salicylaldehyde) Orthophenylenediamine

Rubina Soomro, M. Jamaluddin Ahmed, Najma Memon and Humaira Khan

Two Chromatographic Methods for the Determination of Some Antimigraine Drugs

Ramzia I. El-Bagary, Nashwah G. Mohammed and Heba A. Nasr

Understanding Structural Features of Microbial Lipases - An Overview

John Geraldine Sandana Mala and Satoru Takeuchi

Use of Fourier Transform Infrared (FTIR) Spectroscopy to Study Cadmium-Induced Changes in Padina Tetrastromatica (Hauck)

Lisette D’Souza, Prabha Devi, Divya Shridhar M.P. and Chandrakant G. Naik

Simultaneous Determination of Amlodipine and Valsartan

Nashwah Gadallah Mohamed

Microalbuminuria Measured by three Different Methods, Blood Pressure and Cardiovascular Risk Factors in Elderly Swedish Males

G sta Florvall, Samar Basu, Johanna Helmersson and Anders Larsson

Comparison of Gas Chromatography-Mass Spectrometry and Gas Chromatography-Tandem Mass Spectrometry with Electron Ionization and Negative-Ion Chemical Ionization for Analyses of Pesticides at Trace Levels in Atmospheric Samples

Renata Raina and Patricia Hall

Evaluation of Matrix-Assisted Laser Desorption/Ionization Mass Spectrometry for Second-Generation Lignin Analysis

Aurore Richel, Caroline Vanderghem, Mathilde Simon, Bernard Wathelet and Michel Paquot

A Calculation Model for Serum Ionized Calcium Based on an Equilibrium Equation for Complexation

Susumu Takano, Hiroshi Kaji, Fujio Hayashi, Kanae Higashiguchi, Sachie Joukei, Yoshiaki Kido, Juro Takahashi and Kayo Osawa

Using a Matlab Implemented Algorithm for UV-vis Spectral Resolution for pKa Determination and Multicomponent Analysis

Yotam Gonen and Giora Rytwo

Vibratory Reaction Unit for the Rapid Analysis of Proteins and Glycochains

Yukie Sasakura, Makoto Nogami, Noriko Kobayashi and Katsuhiro Kanda

A Rapid Stability-Indicating RP-HPLC Method for the Determination of Betaxolol Hydrochloride in Pharmaceutical Tablets

Sylvain Auvity, Fouad Chiadmi, Salvatore Cisternino, Jean-Eudes Fontan and Jo l Schlatter

Cell-Free Expression of Protein Kinase A for Rapid Activity Assays

Donna M. Leippe, Kate Qin Zhao, Kevin Hsiao and Michael R. Slater

A Validated Stability-indicating Reverse Phase HPLC Assay Method for the Determination of Memantine Hydrochloride Drug Substance with UV-Detection Using Precolumn Derivatization Technique

Authors:

Floatation-spectrophotometric Determination of Thorium, Using complex Formation with Eriochrome Cyanine R

Sabah Shiri, Ali Delpisheh, Ali Haeri, Abdolhossein Poornajaf, Tahereh Khezeli and Nadie Badkiu

Determination of Trace Amounts of Lead Using the Flotation-spectrophotometric method

Sabah Shiri, Ali Delpisheh, Ali Haeri, Abdolhossein Poornajaf, Babak Golzadeh and Sina Shiri

Development and Validation of Spectrophotometric, Atomic Absorption and Kinetic Methods for Determination of Moxifloxacin Hydrochloride

Lobna M. Abdellaziz and Mervat M. Hosny

Identification and Quantitation of Asparagine and Citrulline Using High-Performance Liquid Chromatography (HPLC)

Cheng Bai, Charles C. Reilly and Bruce W. Wood

Novel Plasmid Transformation Method Mediated by Chrysotile, Sliding Friction, and Elastic Body Exposure

Naoto Yoshida, Toshiaki Nakajima-Kambe, Kaori Matsuki and Toshiya Shigeno

Canine Plasminogen: Spectral Responses to Changes in 6-Aminohexanoate and Temperature

Jack A. Kornblatt, Tanya A. Barretto, Ketevan Chigogidze and Bahati Chirwa

Determination of Trace Amounts of Lead Using the Flotation-spectrophotometric Method

Sabah Shiri, Ali Delpisheh, Ali Haeri, Abdolhossein Poornajaf, Babak Golzadeh and Sina Shiri

Low Level Determinations of Methyl Methanesulfonate and Ethyl Methanesulfonate Impurities in Emtricitabine Active Pharmaceutical Ingredient by LC/MS/MS Using Electrospray Ionization

P.R. Kakadiya, T.G. Chandrashekhar, S. Ganguly, D.K. Singh and V. Singh

Solid-Phase Extraction and Reverse-Phase HPLC: Application to Study the Urinary Excretion Pattern of Benzophenone-3 and its Metabolite 2,4-Dihydroxybenzophenone in Human Urine

Helena Gonzalez, Carl-Eric Jacobson, Ann-Marie Wennberg, Olle Lark and Anne Farbrot

Micelle Enhanced Fluorimetric and Thin Layer Chromatography Densitometric Methods for the Determination of (±) Citalopram and its S – Enantiomer Escitalopram

Elham A. Taha, Nahla N. Salama and Shudong Wang

Determination of the Labile Iron Pool of Human Lymphocytes using the Fluorescent Probe, CP655

Yongmin Ma, Zudong Liu, Robert C Hider and Frank Petrat

High-Performance Liquid Chromatographic Method for Determination of Phenytoin in Rabbits Receiving Sildenafil

Alaa Khedr, Mohamed Moustafa, Ashraf B. Abdel-Naeim, Abdulrahman Alahdal, and Hisham Mosli

A Simple and Sensitive Assay for Measuring Very Small Volumes of Microprinted Solutions

Charles W. Sokolik, Annie S. Walker and Gary M. Nishioka

Quantitative Mass spectrometric Analysis of Ropivacaine and Bupivacaine in Authentic, Pharmaceutical and Spiked Human Plasma without Chromatographic Separation

Nahla N. Salama and Shudong Wang

Unexpected Different Binding of Mistletoe Lectins from Plant Extracts to Immobilized Lactose and N-acetylgalactosamine

Tibor Hajtò, Fodor Krisztina, Aponyi Ildikò, Pallai Zsolt, Balogh Pèter, Németh Pèter and Perjési Pàl

Holistic Control of Herbal Teas and Tinctures Based on Sage (Salvia officinalis L.) for Compounds with Beneficial and Adverse Effects using NMR Spectroscopy

Stephan G. Walch, Dirk W. Lachenmeier, Thomas Kuballa, Wolf Stühlinger and Yulia B. Monakhova

Optimized and Validated Spectrophotometric Methods for the Determination of Enalapril Maleate in Commercial Dosage Forms

Nafisur Rahman and Sk Manirul Haque

Analysis and Confirmation of 1,3-DMAA and 1,4-DMAA in Geranium Plants Using High Performance Liquid Chromatography with Tandem Mass Spectrometry at ng/g Concentrations

Heather L. Fleming, Patricia L. Ranaivo and Paul S. Simone

Detecting the Site of Phosphorylation in Phosphopeptides Without Loss of Phosphate Group Using MALDI TOF Mass Spectrometry

Medicharla V. Jagannadham and Ramakrishnan Nagaraj

Erratum for “Determination of Trace Amounts of Lead Using the Flotation-spectrophotometric method”

Sabah Shiri, Ali Delpisheh, Ali haeri, Abdolhossein Poornajaf , Babakgolzadeh and Sina Shiri

Palm-Based Standard Reference Materials for Iodine Value and Slip Melting Point

Azmil Haizam Ahmad Tarmizi, Siew Wai Lin and Ainie Kuntom

Micellar Electrokinetic Chromatographic Study of the Separation of an Aromatase Inhibitor and a Tryciclic Antidepressant in the Breast Cancer Treatment

J. Rodríguez Flores, A.M. Contento Salcedo and L. Mu oz Fernández

Conductimetric Biosensor for the Detection of Uric Acid by Immobilization Uricase on Nata de Coco Membrane—Pt Electrode

Ani Mulyasuryani and Arie Srihardiastutie

New Spectrofluorimetric Method with Enhanced Sensitivity for Determination of Paroxetine in Dosage Forms and Plasma

Ibrahim A. Darwish, Sawsan M. Amer, Heba H. Abdine and Lama I. Al-Rayes

Liquid Chromatography with Post-Column Reagent Addition of Ammonia in Methanol Coupled to Negative Ion Electrospray Ionization Tandem Mass Spectrometry for Determination of Phenoxyacid Herbicides and their Degradation Products in Surface Water

Renata Raina and Michele L. Etter

Determination of Key Intermediates in Cholesterol and Bile Acid Biosynthesis by Stable Isotope Dilution Mass Spectrometry

Tadashi Yoshida, Akira Honda, Hiroshi Miyazaki and Yasushi Matsuzaki

A Validated Reverse Phase HPLC Method for the Determination of Disodium EDTA in Meropenem Drug Substance with UV-Detection using Precolumn Derivatization Technique

Bhavil Narola, A.S. Singh, M. Mitra, P.R. Santhakumar and T.G. Chandrashekhar

Biomedical and Forensic Applications of Combined Catalytic Hydrogenation-Stable Isotope Ratio Analysis

Mark A. Sephton, Will Meredith, Cheng-Gong Sun and Colin E. Snape

The Effect of Varying Short-Chain Alkyl Substitution on the Molar Absorptivity and Quantum Yield of Cyanine Dyes

Gala Chapman, Maged Henary and Gabor Patonay

The Influence of Free 3-Nitrotyrosine and Saliva on the Quantitative Analysis of Protein-Bound 3-Nitrotyrosine in Sputum

Kazuhito Ueshima, Yoshiaki Minakata, Hisatoshi Sugiura, Satoru Yanagisawa, Tomohiro Ichikawa, Keiichirou Akamatsu, Tsunahiko Hirano, Masanori Nakanishi, Kazuto Matsunaga, Toshiyuki Yamagata and Masakazu Ichinose

Identification and Quantification of Dimethylamylamine in Geranium by Liquid Chromatography Tandem Mass Spectrometry

J.S. Li, M. Chen and Z.C. Li

New Spectrophotometric Method for Determining Nitrogen Dioxide in Air Using 2,2-azino-bis(3-ethyl benzothiazoline)- 6-Sulfonic Acid-Diammonium Salt and Passive Sampling

Alaa A. Salem, Ahmed A. Soliman and Ismail A. El-Haty

Development and Validation of a HPLC Method to Determine Griseofulvin in Rat Plasma: Application to Pharmacokinetic Studies

Bo Wei, Dong Liang, and Theodore R. Bates

Identification of Cysteine Proteases and Screening of Cysteine Protease Inhibitors in Biological Samples by a Two-Dimensional Gel System of Zymography and Reverse Zymography

Eiichi Saitoh, Shinya Yamamoto, Eishiro Okamoto, Yoshimi Hayakawa, Takashi Hoshino, Ritsuko Sato, Satoko Isemura, Sadami Ohtsubo and Masayuki Taniguchi

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