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  1. One of the goals of the 2011 International Year of Chemistry is to celebrate the contributions of women to science. A question that has been frequently asked in this regard is... Why is it necessary to highlight ...

    Authors: Sharon L Haynie, Amber S Hinkle, Nancy L Jones, Cheryl A Martin, Paula J Olsiewski and Mary F Roberts
    Citation: Chemistry Central Journal 2011 5:69
  2. Fatty acids (FAs) are important as raw materials for the biotechnology industry. Existing methods of FAs production are based on chemical methods. In this study potassium hydroxide (KOH)-catalyzed reactions we...

    Authors: Jumat Salimon, Bashar Mudhaffar Abdullah and Nadia Salih
    Citation: Chemistry Central Journal 2011 5:67
  3. A new spectrophotometric method is developed for the determination of phenylpropanolamine HCl (PPA), ephedrine HCl (EPH) and pseudoephedrine HCl (PSE) in pharmaceutical preparations and spiked human urine. The...

    Authors: Mohamed I Walash, Nahed M El-Enany and Samar Saad
    Citation: Chemistry Central Journal 2011 5:65
  4. The aim of this study is to measure the levels of heavy metals (Fe, Mn, Zn, Cu, Ni, Cd and Pb) found in common vegetables (parsley, carrot, onion, lettuce, cucumber and green beans) grown in contaminated minin...

    Authors: Monica Harmanescu, Liana Maria Alda, Despina Maria Bordean, Ioan Gogoasa and Iosif Gergen
    Citation: Chemistry Central Journal 2011 5:64
  5. 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
  6. Considering the pharmaceutical importance of hydantoins, a set of 25 derivatives of phenytoin, nirvanol and 5-methyl-5-phenylhydantoin, the lipophilicities of which were gradually increased by the introduction...

    Authors: Nemanja Trišović, Nataša Valentić and Gordana Ušćumlić
    Citation: Chemistry Central Journal 2011 5:62
  7. 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
  8. 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
  9. In silico models have prompted considerable interest and debate because of their potential value in predicting the properties of chemical substances for regulatory purposes. The European REACH legislation promote...

    Authors: Emilio Benfenati, Rodolfo Gonella Diaza, Antonio Cassano, Simon Pardoe, Giuseppina Gini, Claire Mays, Ralf Knauf and Ludger Benighaus
    Citation: Chemistry Central Journal 2011 5:58
  10. 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
  11. 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
  12. Novel mono N-alkyl quaternary ammonium salts (3a-f) were prepared using the Menschutkin reaction from the cage adamanzane type aminal 1,3,6,8-tetraazatricyclo[4.3.1.13,8]undecane (TATU) and alkyl iodides, such as...

    Authors: Augusto Rivera, John Sadat-Bernal, Jaime Ríos-Motta, Michal Dušek and Lukáš Palatinus
    Citation: Chemistry Central Journal 2011 5:55
  13. The low-temperature heat capacities of nickel titanate (NiTiO3), cobalt titanate (CoTiO3), and cobalt carbonate (CoCO3) were measured between 2 and 300 K, and thermochemical functions were derived from the result...

    Authors: Stephan Klemme, Wilfried Hermes, Mathias Eul, Clazina H Wijbrans, Arno Rohrbach and Rainer Pöttgen
    Citation: Chemistry Central Journal 2011 5:54
  14. This paper reports a systematic study of the level of flavan-3-ol monomers during typical processing steps as cacao beans are dried, fermented and roasted and the results of Dutch-processing. Methods have been...

    Authors: W Jeffrey Hurst, Susann H Krake, Stephen C Bergmeier, Mark J Payne, Kenneth B Miller and David A Stuart
    Citation: Chemistry Central Journal 2011 5:53
  15. The natural polyether ionophorous antibiotics are used for the treatment of coccidiosis in poultry and ruminants. They are effective agents against infections caused by Gram-positive microorganisms. On the oth...

    Authors: Juliana Ivanova, Ivayla N Pantcheva, Mariana Mitewa, Svetlana Simova, Makoto Tanabe and Kohtaro Osakada
    Citation: Chemistry Central Journal 2011 5:52
  16. 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
  17. 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
  18. Due to the vast importance of peptides in biological processes, there is an escalating need for synthetic peptides to be used in a wide variety of applications. However, the consumption of organic solvent is e...

    Authors: Keiko Hojo, Asaki Hara, Hiroyuki Kitai, Mare Onishi, Hideki Ichikawa, Yoshinobu Fukumori and Koichi Kawasaki
    Citation: Chemistry Central Journal 2011 5:49
  19. The AgBr loaded TiO2 catalyst was prepared by a feasible approach with AgBr and tetraisopropyl orthotitanate and characterized by BET surface area measurement, diffuse reflectance spectra (DRS), scanning electron...

    Authors: Rengasamy Velmurugan, Bojja Sreedhar and Meenakshisundaram Swaminathan
    Citation: Chemistry Central Journal 2011 5:46
  20. 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
  21. The sage plant Salvia officinalis L. is used as ingredient in foods and beverages as well as in herbal medicinal products. A major use is in the form of aqueous infusions as sage tea, which is legal to be sold as...

    Authors: Stephan G Walch, Thomas Kuballa, Wolf Stühlinger and Dirk W Lachenmeier
    Citation: Chemistry Central Journal 2011 5:44
  22. A new organodithiophosphorus derivative, namely O-(1,3-Bispiperidino-2-propyl)-4-methoxy phenyldithiophosphonate, was synthesized and then the kinetic behavior of the transport process as a function of concent...

    Authors: Mehmet Karakus, Hamza Korkmaz Alpoguz, Ahmet Kaya, Nurcan Acar, Ahmet Orhan Görgülü and Mustafa Arslan
    Citation: Chemistry Central Journal 2011 5:43
  23. 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
  24. 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
  25. Amorphous Calcium Phosphate (ACP) is an essential mineral phase formed in mineralized tissues and the first commercial product as artificial hydroxyapatite. ACP is unique among all forms of calcium phosphates ...

    Authors: Jie Zhao, Yu Liu, Wei-bin Sun and Hai Zhang
    Citation: Chemistry Central Journal 2011 5:40
  26. 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
  27. 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
  28. To develop more potent small molecules with enhanced free radical scavenger properties, a series of N-substituted isatin derivatives was synthesized, and the cytoprotective effect on the apoptosis of PC12 cells i...

    Authors: Gang Chen, Ye Wang, Xiaojiang Hao, Shuzhen Mu and Qianyun Sun
    Citation: Chemistry Central Journal 2011 5:37
  29. 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
  30. 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
  31. Pollen is a bee-product known for its medical properties from ancient times. In our days is increasingly used as health food supplement and especially as a tonic primarily with appeal to the elderly to amelior...

    Authors: Konstantia Graikou, Suzanne Kapeta, Nektarios Aligiannis, George Sotiroudis, Niki Chondrogianni, Efstathios Gonos and Ioanna Chinou
    Citation: Chemistry Central Journal 2011 5:33
  32. Twenty-seven extracts from 26 plants were identified as photo-cytotoxic in the course of our bioassay guided screening program for photosensitisers from 128 extracts prepared from 64 terrestrial plants in two ...

    Authors: Pei Jean Tan, Cheng Yi Ong, Asma Danial, Hirzun Mohd Yusof, Bee Keat Neoh and Hong Boon Lee
    Citation: Chemistry Central Journal 2011 5:32
  33. 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
  34. 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
  35. Both main types of carcinogenesis, genotoxic and epigenetic, were examined in the context of non-congenericity and similarity, respectively, for the structure of ligand molecules, emphasizing the role of quant...

    Authors: Mihai V Putz
    Citation: Chemistry Central Journal 2011 5:29
  36. 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
  37. 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
  38. Dihydrolinalool and terpineol are sources of fragrances that provide a unique volatile terpenoid alcohol of low toxicity and thus are widely used in the perfumery industry, in folk medicine, and in aromatherap...

    Authors: Akbar Esmaeili and Elham Hashemi
    Citation: Chemistry Central Journal 2011 5:26
  39. Because of the shifted focus in life science research from genome analyses to genetic and protein function analyses, we now know functions of numerous proteins. These analyses, including those of newly identif...

    Authors: Yasuo Yoshioka, Shin-ichi Tsunoda and Yasuo Tsutsumi
    Citation: Chemistry Central Journal 2011 5:25
  40. 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
  41. 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
  42. Heteronucleophiles as well as carbanionic reagents can be used to react with α-amido sulfones, thus giving the opportunity to prepare a large array of amino derivatives. Since, novel 1,3,4-oxadiazole-2-thiol d...

    Authors: Yi Jin, Baoan Song, Deyu Hu, Xiangyang Li, Pinaki S Bhadury, Zhenchao Wang and Song Yang
    Citation: Chemistry Central Journal 2011 5:21
  43. The importance of the isatinic quinolyl hydrazones arises from incorporating the quinoline ring with the indole ring. Quinoline ring has therapeutic and biological activities whereas, the indole ring occurs in...

    Authors: Hussein S Seleem, Gaber A El-Inany, Bashir A El-Shetary, Marwa A Mousa and Fatin I Hanafy
    Citation: Chemistry Central Journal 2011 5:20

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