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Analytical Chemistry

Edited by Yi-Lun Ying
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Scope: This section publishes articles in all areas of analytical chemistry including spectroscopy, crystallography, chromatography, imaging, chemometrics, data processing, and electrochemistry.

Page 5 of 6

  1. Content type: Research article

    Owing to frequent administration of a wide range of pharmaceutical products, various environmental waters have been found to be contaminated with pharmacologically active substances. For example, stanozolol, a...

    Authors: Nawed IK Deshmukh, James Barker, Andrea Petroczi and Declan P Naughton

    Citation: Chemistry Central Journal 2011 5:63

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  2. Content type: Research article

    Sertraline is a well known antidepressant drug which belongs to a class called selective serotonin reuptake inhibitor. Most published methods do not enable studying the stability of this drug in different stre...

    Authors: Mohamed I Walash, Fathallah F Belal, Nahed M El-Enany and Heba Elmansi

    Citation: Chemistry Central Journal 2011 5:61

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  3. Content type: Methodology

    A simple, sensitive and rapid spectrophotometric method was developed and validated for the determination of two skeletal muscle relaxants namely, tizanidine hydrochloride (I) and orphenadrine citrate (II) in ...

    Authors: Mohamed I Walash, Fathalla F Belal, Manal I Eid and Samah Abo El Abass Mohamed

    Citation: Chemistry Central Journal 2011 5:60

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  4. Content type: Research article

    The formation of a colored charge-transfer (CT) complex between atorvastatin calcium (ATR-Ca) as a n-electron donor and 2, 3-dichloro-5,6-dicyano-1,4-benzoquinone (DDQ) as a π-electron acceptor was investigate...

    Authors: Tanveer A Wani, Nasr Y Khalil, Hamdy M Abdel-Rahman and Ibrahim A Darwish

    Citation: Chemistry Central Journal 2011 5:57

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  5. Content type: Research article

    Sertraline is primarily used to treat major depression in adult outpatients as well as obsessive-compulsive, panic and social anxiety disorders in both adults and children. A survey of the literature reveals t...

    Authors: Nahed M El-Enany, Amina Abdelal and Fathalla Belal

    Citation: Chemistry Central Journal 2011 5:56

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  6. Content type: Research article

    Cytosine is a biologically important compound owing to its natural occurrence as a component of nucleic acids. Cytosine plays a crucial role in DNA/RNA base pairing, through several hydrogen-bonding patterns, ...

    Authors: Gustavo Portalone

    Citation: Chemistry Central Journal 2011 5:51

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  7. Content type: Research article

    There have been many recent developments of in vitro cigarette smoke systems closely replicating in vivo exposures. The Borgwaldt RM20S smoking machine (RM20S) enables the serial dilution and delivery of cigarett...

    Authors: Jason Adamson, David Azzopardi, Graham Errington, Colin Dickens, John McAughey and Marianna D Gaça

    Citation: Chemistry Central Journal 2011 5:50

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  8. Content type: Research article

    The spiro- indole-pyrrolidine ring system is a frequently encountered structural motif in many biologically important and pharmacologically relevant alkaloids. The derivatives of spirooxindole ring systems are...

    Authors: Jeyaperumal Kalyana Sundar, Stephen Michael Rajesh, Jeyaraman Sivamani, Subbu Perumal and Subramanian Natarajan

    Citation: Chemistry Central Journal 2011 5:45

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  9. Content type: Research article

    Molybdenum oxide nitride (denoted as Mo(O,N)3) was obtained by ammonolysis of α-MoO3 with gaseous ammonia. Electronic and geometric structure, reducibility, and conductivity of Mo(O,N)3 were investigated by XRD, ...

    Authors: Sven Kühn, Peter Schmidt-Zhang, Alexander HP Hahn, Manoup Huber, Martin Lerch and Thorsten Ressler

    Citation: Chemistry Central Journal 2011 5:42

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  10. Content type: Research article

    A method for the preconcentration of trace heavy metal ions in environmental samples has been reported. The presented method is based on the sorption of Cu(II), Cd(II), Ni(II) and Cr(III) ions with salicylic a...

    Authors: M Reza Shishehbore, Abbas Afkhami and Hasan Bagheri

    Citation: Chemistry Central Journal 2011 5:41

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  11. Content type: Methodology

    This manuscript describes the results of an HPLC study for the determination of the flavan-3-ol monomers, (±)-catechin and (±)-epicatechin, in cocoa and plain dark and milk chocolate products. The study was pe...

    Authors: Laura Shumow and Alison Bodor

    Citation: Chemistry Central Journal 2011 5:39

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  12. Content type: Research article

    In this study, a polyclonal antibody with high avidity and specificity to the potent hypocholesterolaemic agent rosuvastatin (ROS) has been prepared and used in the development of highly sensitive enzyme-linke...

    Authors: Ibrahim A Darwish, Abdul-Rahman M Al-Obaid and Hamoud A Al-Malaq

    Citation: Chemistry Central Journal 2011 5:38

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  13. Content type: Research article

    Pregabalin (PG) is an anticonvulsant, analgesic and anxiolytic drug. A survey of the literature reveals that all the reported spectrophotometric methods are either don't offer high sensitivity, need tedious ex...

    Authors: Mohamed I Walash, Fathallah F Belal, Nahed M El-Enany and Mahmoud H El-Maghrabey

    Citation: Chemistry Central Journal 2011 5:36

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  14. Content type: Research article

    The St John's Wort (Hypericum perforatum; Clusiaceae) has been used in traditional and modern medicine for a long time due to its high content of biologically active phenolics. The purpose of this work was to dev...

    Authors: Dejan Z Orčić, Neda M Mimica-Dukić, Marina M Francišković, Slobodan S Petrović and Emilija Đ Jovin

    Citation: Chemistry Central Journal 2011 5:34

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  15. Content type: Research article

    The crystal structures of different forms of TiO2 and those of BaTiO3, ZnO, SnO2, WO3, CuO, Fe2O3, Fe3O4, ZrO2 and Al2O3 nanoparticles have been deduced by powder X-ray diffraction. Their optical edges have been ...

    Authors: Chockalingam Karunakaran, Premkumar Anilkumar and Paramasivan Gomathisankar

    Citation: Chemistry Central Journal 2011 5:31

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  16. Content type: Research article

    A simple, sensitive and accurate stability-indicating HPLC method has been developed and validated for determination of varenicline (VRC) in its bulk form and pharmaceutical tablets. Chromatographic separation...

    Authors: Adnan A Kadi, Mostafa S Mohamed, Mohamed G Kassem and Ibrahim A Darwish

    Citation: Chemistry Central Journal 2011 5:30

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  17. Content type: Research article

    Sequential injection chromatography (SIC) is a new alternative separation technology. It has some advantages over high performance liquid chromatography (HPLC) regarding simplicity, inexpensiveness, portabilit...

    Authors: Abubakr M Idris and Rafea EE Elgorashe

    Citation: Chemistry Central Journal 2011 5:28

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  18. Content type: Review

    Propolis is a bee product, composed mainly of plant resins and beeswax, therefore its chemical composition varies due to the geographic and plant origins of these resins, as well as the species of bee. Brazil ...

    Authors: Alexandra Christine Helena Frankland Sawaya, Ildenize Barbosa da Silva Cunha and Maria Cristina Marcucci

    Citation: Chemistry Central Journal 2011 5:27

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  19. Content type: Research article

    An accurate, simple, sensitive and selective reversed phase liquid chromatographic method has been developed for the determination of ebastine in its pharmaceutical preparations. The proposed method depends on...

    Authors: Fawzia Ibrahim, Mohie Khaled Sharaf El- Din, Manal Ibrahim Eid and Mary Elias Kamel Wahba

    Citation: Chemistry Central Journal 2011 5:24

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  20. Content type: Preliminary communication

    The title compound was prepared by the reaction of 1,4,10,13-tetraoxa-7,16-diazacyclo-octadecane with 4-chloro-2-methyl-phenoxyacetic acid in a ratio of 1:2. The structure has been proved by the data of elemen...

    Authors: Sergey N Adamovich, Anna N Mirskova, Rudolf G Mirskov and Uwe Schilde

    Citation: Chemistry Central Journal 2011 5:23

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  21. Content type: Research article

    Arsenic is the toxic element, which creates several problems in human being specially when inhaled through air. So the accurate and precise measurement of arsenic in suspended particulate matter (SPM) is of pr...

    Authors: Nahar Singh, VN Ojha, Nijhuma Kayal, Tarushee Ahuja and Prabhat K Gupta

    Citation: Chemistry Central Journal 2011 5:17

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  22. Content type: Research article

    Two sensitive, selective, economic, and validated spectrofluorimetric methods were developed for the determination of ebastine (EBS) in pharmaceutical preparations depending on reaction with its tertiary amino...

    Authors: Fawzia Ibrahim, Mohie Khaled Sharaf El-Din, Manal Ibrahim Eid and Mary Elias Kamel Wahba

    Citation: Chemistry Central Journal 2011 5:11

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  23. Content type: Research article

    Three types of carbon paste electrodes (CPEs) with different liquid binders were fabricated, and their electrochemical behavior was characterized via a potassium hexacyanoferrate(II) probe. 1-Octyl-3-methylimi...

    Authors: Yiyi She, Yougen Tang, Hongtao Liu and Ping He

    Citation: Chemistry Central Journal 2010 4:17

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  24. Content type: Research article

    Traditionally, the essential oil of aromatic herbs is obtained using hydrodistillation (HD). Because the emitted volatile fraction plays a fundamental role in a plant's life, various novel techniques have been...

    Authors: Mohammed El Amine Dib, Nassim Djabou, Jean-Marie Desjobert, Houcine Allali, Boufeldja Tabti, Alain Muselli and Jean Costa

    Citation: Chemistry Central Journal 2010 4:16

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  25. Content type: Research article

    Gallic acid (3,4,5-trihydroxybenzoic acid) is found in a wide variety of plants; it is extensively used in tanning, ink dyes, as well as in the manufacturing of paper. The gallate moiety is a key component of ...

    Authors: Angelique C Eslami, Wanvimol Pasanphan, Brett A Wagner and Garry R Buettner

    Citation: Chemistry Central Journal 2010 4:15

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  26. Content type: Research article

    Organophosphorous pesticides are the most popular pesticides used in agriculture. As acetylcholinesterase inhibitors, organophosphorous pesticides are toxic organic chemicals. The control and detection of orga...

    Authors: Haoyu Hu, Xiaoyu Liu, Feng Jiang, Xin Yao and Xiaocheng Cui

    Citation: Chemistry Central Journal 2010 4:13

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  27. Content type: Research article

    In this work, we make use of a model chemistry within Density Functional Theory (DFT) recently presented, which is called M05-2X, to calculate the molecular structure of the flavonoid Rutin, as well as to pred...

    Authors: Sergio A Payán-Gómez, Norma Flores-Holguín, Antonino Pérez-Hernández, Manuel Piñón-Miramontes and Daniel Glossman-Mitnik

    Citation: Chemistry Central Journal 2010 4:12

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  28. Content type: Software

    Soft X-ray spectromicroscopy based absorption near-edge structure analysis, is a spectroscopic technique useful for investigating sample composition at a nanoscale of resolution. While the technique holds grea...

    Authors: Tamás Haraszti, Michael Grunze and Michael G Anderson

    Citation: Chemistry Central Journal 2010 4:11

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  29. Content type: Preliminary communication

    A new malonamide fluoroionophore possessing two pyrene moieties was synthesized. This bispyrene exhibited the fluorescence of the pyrene monomer (λem = 395 nm) and intramolecular excimer (λem = 467 nm) emissions....

    Authors: Takayo Moriuchi-Kawakami, Youji Hisada and Yasuhiko Shibutani

    Citation: Chemistry Central Journal 2010 4:7

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  30. Content type: Research article

    The local structure of vanadium oxide supported on nanostructured SiO2 (VxOy/SBA-15) was investigated by in situ X-ray absorption spectroscopy (XAS). Because the number of potential parameters in XAS data analysi...

    Authors: Anke Walter, Rita Herbert, Christian Hess and Thorsten Ressler

    Citation: Chemistry Central Journal 2010 4:3

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  31. Content type: Research article

    Organic light emitting devices (OLED) are becoming important and characterisation of them, in terms of structure, charge distribution, and intermolecular interactions, is important. Tris(8-hydroxyquinolinato)-...

    Authors: Mithun Goswami, Pabitra K Nayak, N Periasamy and PK Madhu

    Citation: Chemistry Central Journal 2009 3:15

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  32. Content type: Research article

    The rapid, simple determination of surfactants in environmental samples is essential because of the extensive use and its potential as contaminants. We describe a simple, rapid chemiluminescence method for the...

    Authors: Xiaoyu Liu, Aifang Li, Baohui Zhou, Chaokun Qiu and Hongmin Ren

    Citation: Chemistry Central Journal 2009 3:7

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  33. Content type: Research article

    Polychlorinated biphenyls are persistent organic pollutants that can be metabolized via hydroxylated PCBs to PCB sulfate metabolites. The sensitive and selective analysis of PCB sulfate monoesters by gas chrom...

    Authors: Xueshu Li, Larry W Robertson and Hans-Joachim Lehmler

    Citation: Chemistry Central Journal 2009 3:5

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  34. Content type: Software

    The advent of combinatorial chemistry has revived the interest in five-membered heterocyclic rings as scaffolds in pharmaceutical research. They are also the target of modifications in nucleic acid chemistry. ...

    Authors: Pieter MS Hendrickx and José C Martins

    Citation: Chemistry Central Journal 2008 2:20

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  35. Content type: Research article

    The study was aimed at investigating the effect of various solvents on the absorption spectra of Neutral Red, a dye belonging to the quinone-imine class of dyes. The solvents chosen for the study were water, e...

    Authors: Muhammad A Rauf, Ahmed A Soliman and Muhammad Khattab

    Citation: Chemistry Central Journal 2008 2:19

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  36. Content type: Research article

    A routine method for the quantification of beryllium in biological fluids is essential for the development of a chelation therapy for Chronic Beryllium Disease (CBD). We describe a procedure for the direct det...

    Authors: Chadi H Stephan, Michel Fournier, Pauline Brousseau and Sébastien Sauvé

    Citation: Chemistry Central Journal 2008 2:14

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  37. Content type: Methodology

    The Hedgehog signaling pathway is essential for embryogenesis and for tissue homeostasis in the adult. However, it may induce malignancies in a number of tissues when constitutively activated, and it may also ...

    Authors: John E Oatis Jr, Pam Brunsfeld, James W Rushing, Peter D Moeller, Daniel W Bearden, Thomas N Gallien and George Cooper IV

    Citation: Chemistry Central Journal 2008 2:12

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  38. Content type: Preliminary communication

    Occupational exposure to beryllium may cause Chronic Beryllium Disease (CBD), a lung disorder initiated by an electrostatic interaction with the MHC class II human leukocyte antigen (HLA). Molecular studies ha...

    Authors: Chadi H Stephan, Michel Fournier, Pauline Brousseau and Sébastien Sauvé

    Citation: Chemistry Central Journal 2008 2:10

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  39. Content type: Methodology

    In soils contaminated by hydrophobic organic compounds, the concentrations are less indicative of potential exposure and distribution than are the associated chemical activities, fugacities and freely dissolve...

    Authors: Fredrik Reichenberg, Foppe Smedes, Jan-Åke Jönsson and Philipp Mayer

    Citation: Chemistry Central Journal 2008 2:8

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  40. Content type: Research article

    The determination of the osmolality of aqueous samples using a freezing point osmometer is a well-established, routine laboratory method. In addition to their use in clinical and pharmaceutical laboratories, f...

    Authors: Britta Büttel, Markus Fuchs and Birger Holz

    Citation: Chemistry Central Journal 2008 2:6

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  41. Content type: Methodology

    A complexometric method based on selective masking and de-masking has been developed for the rapid determination of aluminium, lead and zinc from the same solution in glass and glass frit samples. The determin...

    Authors: Nijhuma Kayal and Nahar Singh

    Citation: Chemistry Central Journal 2008 2:4

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  42. Content type: Research article

    Mushrooms in the genus Agaricus have worldwide distribution and include the economically important species A. bisporus. Some Agaricus species are inedible, including A. placomyces and A. pseudopratensis, which ar...

    Authors: Assya Petrova, Kalina Alipieva, Emanuela Kostadinova, Daniela Antonova, Maria Lacheva, Melania Gjosheva, Simeon Popov and Vassya Bankova

    Citation: Chemistry Central Journal 2007 1:33

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  43. Content type: Research article

    Pyrimethamine [2,4-diamino-5-(p-chlorophenyl)-6-ethylpyrimidine] is an antifolate drug used in anti-malarial chemotherapy. Pyrimidine and aminopyrimidine derivatives are biologically important compounds owing to ...

    Authors: Kasthuri Balasubramani, Packianathan Thomas Muthiah and Daniel E Lynch

    Citation: Chemistry Central Journal 2007 1:28

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