Research Topics
| Yinfa MaSummaryAffiliation: University of Missouri-Rolla Country: USA Publications
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Detail Information
Publications
Recent developments in the determination of urinary cancer biomarkers by capillary electrophoresisYinfa Ma
Department of Chemistry, University of Missouri Rolla, 1870 Miner Circle, Rolla, MO 65409, USA
Electrophoresis 25:1473-84. 2004..This review discusses the latest developments involving biomarkers and their analysis by CE, including a discussion of instrumental conditions, method developments, and data analysis...- Toxicity of cerium oxide nanoparticles in human lung cancer cellsWeisheng Lin
Department of Chemistry and Environmental Research Center for Emerging Contaminants, University of Missouri-Rolla, Rolla, Missouri 65409, USA
Int J Toxicol 25:451-7. 2006.... - Investigation of pharmaceuticals in Missouri natural and drinking water using high performance liquid chromatography-tandem mass spectrometryChuan Wang
Department of Chemistry, Missouri University of Science and Technology, Rolla, MO 65409, USA
Water Res 45:1818-28. 2011.... - Quantification of F(2)-isoprostane isomers in cultured human lung epithelial cells after silica oxide and metal oxide nanoparticle treatment by liquid chromatography/tandem mass spectrometryXiaoqian Liu
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, MO 65409, USA
Talanta 81:1599-606. 2010..Our study demonstrates that SiO(2) (15nm) nanoparticle showed the highest degree of lipid peroxidation and cell membrane damage among the studied nanoparticles... - Assessment of metal contaminations leaching out from recycling plastic bottles upon treatmentsXiaoliang Cheng
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, 400 West 11th Street, Rolla, MO 65409, USA
Environ Sci Pollut Res Int 17:1323-30. 2010..The aim and scope of this study were to assess metal contaminations leaching out from a series of recycling plastic bottles upon treatments... - Nickel (II) complexes of naphthaquinone thiosemicarbazone and semicarbazone: synthesis, structure, spectroscopy, and biological activityZahra Afrasiabi
Department of Chemistry, University of Missouri Rolla, Rolla, MO 65409, USA
J Inorg Biochem 99:1526-31. 2005..In vitro anticancer studies on MCF-7 human breast cancer cells reveal that the semicarbazone derivative along with its nickel complex is more active in the inhibition of cell proliferation than the thiosemicarbazone analogue... - Simultaneous determination of polyamines and catecholamines in PC-12 tumor cell extracts by capillary electrophoresis with laser-induced fluorescence detectionMing Du
Department of Chemistry and Center for Environmental Science and Technology, University of Missouri-Rolla, 1870 Miner Circle, Rolla, MO 65409, USA
Electrophoresis 25:1496-502. 2004..05 to 1.0 micromol/L, and the detection limit (S/N = 3 ) ranged from 0.03 to 2.50 nmol/L. The concentrations of polyamines and catecholamines in PC-12 tumor cell extracts were determined with this method... - Simultaneous determination of catecholamines and polyamines in PC-12 cell extracts by micellar electrokinetic capillary chromatography with ultraviolet absorbance detectionGuanshu Liu
Department of Chemistry, University of Missouri-Rolla, MO 65409, USA
J Chromatogr B Analyt Technol Biomed Life Sci 805:281-8. 2004.... - Determination of pharmaceutical and personal care products in wastewater by capillary electrophoresis with UV detectionStephen E Gibbons
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, 400 West 11th Street, Rolla, MO 65409, USA
Talanta 84:1163-8. 2011..The technique developed in this study provides a low cost, simple, fast, and relatively sensitive method for determination of various PPCPs in wastewater samples for PPCP screening... - Determination of benzyltriethyl ammonium chloride from polymeric media by capillary electrophoresis with ultraviolet absorbance detectionWeisheng Lin
Department of Chemistry and Environmental Research Center, University of Missouri Rolla, 1870 Miner Circle, Rolla, MO 65409, United States
Anal Chim Acta 583:98-102. 2007..The linear range of the technique is 5-100 mg L(-1). This method is simple, fast, low-cost, and can be easily used for product quality control in industrial laboratories... - Study of uptake and loss of silica nanoparticles in living human lung epithelial cells at single cell levelIsaac Stayton
Department of Chemistry, Missouri University of Science and Technology, 400 West 11th Street, Rolla, MO 65409, USA
Anal Bioanal Chem 394:1595-608. 2009..Although data trends were easily distinguished, all samples showed considerable variation from cell to cell... - A fast capillary electrophoresis method for separation and quantification of modified nucleosides in urinary samplesYongqing Jiang
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, Missouri 65409, USA
Anal Chem 81:6474-80. 2009..The technique developed in this study is much simpler and faster, compared to previous studies, and can be used to quantify modified nucleosides in urine samples... - Oxidative removal and kinetics of fipronil in various oxidation systems for drinking water treatmentEvelyn F Chamberlain
Department of Civil, Architectural and Environmental Engineering and Environmental Research Center, Missouri University of Science and Technology, Rolla, Missouri 65409, USA
J Agric Food Chem 58:6895-9. 2010..pH effects were observed for free chlorine, chlorine dioxide, and permanganate with more rapid oxidation occurring at pH 8.6 than at pH 6.6... - Separation of homo- and heteroduplexes of DNA fragments with different melting temperature by capillary electrophoresis at one single temperatureMing Du
Department of Chemistry, University of Missouri Rolla, Rolla, MO 65409, USA
J Capill Electrophor Microchip Technol 10:33-9. 2007..The assay is simple, accurate, and sensitive, giving it potential for multiplex analysis for DNA mutation study... - Compositional monosaccharide analysis of transgenic corn glycoproteins by HPLC with fluorescence detection and LC-MS with sonic spray ionizationTongwen Wang
Department of Chemistry and Center for Environmental Science and Technology, University of Missouri Rolla, Rolla, MO 65409, USA
J Chromatogr Sci 45:200-6. 2007..In addition to the compositional analysis of low-level monosaccharides in glycoprotein by HPLC-fluorescence, the utility of SSI for the LC-MS analysis of derivatized monosaccharides is demonstrated in this paper... - In vitro toxicity of silica nanoparticles in human lung cancer cellsWeisheng Lin
Department of Chemistry and Environmental Research Center, University of Missouri-Rolla, Rolla, MO 65409, USA
Toxicol Appl Pharmacol 217:252-9. 2006..In summary, exposure to SiO(2) nanoparticles results in a dose-dependent cytotoxicity in cultural human bronchoalveolar carcinoma-derived cells that is closely correlated to increased oxidative stress... - Optimization of urinary pteridine analysis conditions by CE-LIF for clinical use in early cancer detectionStephen E Gibbons
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, MO, USA
Electrophoresis 30:3591-7. 2009..As a result, we present an optimized and validated method ready for transfer from discovery phase to clinical trial that can potentially act as a non-invasively pre-screening test for cancer... - Rapid separation and laser-induced fluorescence detection of mutated DNA by capillary electrophoresis in a self-coating, low-viscosity polymer matrixMing Du
Department of Chemistry, University of Missouri-Rolla, Rolla, MO 65409, USA
Electrophoresis 24:3147-53. 2003..The method should be applicable to mutation detection for all relevant biological and clinical studies. The factors influencing separations and the stability of dynamic capillary coatings are also discussed in the paper... - Localized single molecule isotherms of DNA molecules at confined liquid-solid interfacesHeng Liang
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, Missouri 65409, USA
Anal Chem 81:2059-66. 2009..This study may have significant impact on preparations of low-copy number proteins in a single cell, membrane separations, and other bioseparation studies... - Simultaneous screening of herbicide degradation byproducts in water treatment plants using high performance liquid chromatography-tandem mass spectrometryXiaoliang Cheng
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, Missouri 65409, USA
J Agric Food Chem 58:4588-93. 2010..Occurrences of these compounds in treated water samples are all lower than those in the untreated source water samples... - Quantitative determination of taurine and related biomarkers in urine by liquid chromatography-tandem mass spectrometrySanjeewa Gamagedara
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, MO 65409, USA
Anal Bioanal Chem 402:763-70. 2012..Proper clinical validation of these biomarkers can be done using this reliable, fast, and simple method. Furthermore, with simple modifications, this method could be applied to other physiological fluids and other types of diseases... - The cytotoxicity and mechanisms of 1,2-naphthoquinone thiosemicarbazone and its metal derivatives against MCF-7 human breast cancer cellsJunnan Chen
Department of Chemistry, University of Missouri-Rolla, Rolla, MO 65409, USA
Toxicol Appl Pharmacol 197:40-8. 2004..In summary, chemicals with or without metal derivatives might possess different chemical-topoisomerase II-DNA interactions... - Comprehensive profiling of isoflavones, phytosterols, tocopherols, minerals, crude protein, lipid, and sugar during soybean (Glycine max) germinationHonglan Shi
Department of Chemistry, Center for Environmental Science and Technology, Missouri University of Science and Technology, Rolla, Missouri 65409, USA
J Agric Food Chem 58:4970-6. 2010..Mineral (Ca, Cr, Fe, Zn Cu, K, Mg, Mn) levels did not vary much during germination, and the presence of light during germination had only a little, if any, effect on the levels of the micro- and macronutrients in soybeans... - Investigation of urinary pteridine levels as potential biomarkers for noninvasive diagnosis of cancerSanjeewa Gamagedara
Department of Chemistry, Missouri University of Science and Technology, Rolla, MO 65409, USA
Clin Chim Acta 412:120-8. 2011..Pteridines are important cofactors in the process of cell metabolism, and they have recently become a focal point of cancer screening research because certain pteridine levels have been shown to reflect the presence of cancers... - Simultaneous determination of 3-nitro tyrosine, o-, m-, and p-tyrosine in urine samples by liquid chromatography-ultraviolet absorbance detection with pre-column cloud point extractionMing Du
Department of Chemistry, University of Missouri-Rolla, 1870 Miner Circle, Rolla, MO 65409, USA
J Chromatogr B Analyt Technol Biomed Life Sci 803:321-9. 2004..Nineteen general amino acids showed no interference. The detection limits of p-, o-, m-Tyr and 3-NO(2)-Tyr were between 5 and 15 nmol/l. The linear range was from 0.05 to approximately 100 micromol/l... - Biomarker analysis for prostate cancer diagnosis using LC-MS and CE-MSSanjeewa Gamagedara
Department of Chemistry and Environmental Research Center, Missouri University of Science and Technology, Rolla, MO 65409, USA
Bioanalysis 3:2129-42. 2011.... - Separation and quantitation of short-chain coenzyme A's in biological samples by capillary electrophoresisGuanshu Liu
Department of Chemistry, University of Missouri-Rolla, Rolla, Missouri 65409, USA
Anal Chem 75:78-82. 2003..This technique, described here, is much more sensitive, faster, and simpler than the published HPLC methods and can potentially be used for mechanistic study in biological systems involving CoA metabolism...