Search Results - "Brown, Phyllis R."

Electrospray Ionization Mass Spectrometry of Tetracycline, Oxytetracycline, Chlorotetracycline, Minocycline, and Methacycline by Kamel, Amin M, Brown, Phyllis R, Munson, Burnaby

“…The effects of mobile-phase additives and analyte concentration on electrospray ionization mass spectra of a series of tetracyclines were investigated in both…”
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Optimization for the separation of ribonucleotides by capillary electrophoresis at high pH by Geldart, Susan E, Brown, Phyllis R

“…A versatile method for the rapid capillary electrophoresis (CE) separation of ribonucleotides using a carbonate buffer was optimized. The separation of twelve…”
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Mass spectral characterization of tetracyclines by electrospray ionization, H/D exchange, and multiple stage mass spectrometry by Kamel, Amin M, Fouda, Hassan G, Brown, Phyllis R, Munson, Burnaby

“…Electrospray ionization (ESI) and collisionally induced dissociation (CID) mass spectra were obtained for five tetracyclines and the corresponding compounds in…”
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High-performance liquid chromatographic method for the determination of ultratrace amounts of iron(II) in aerosols, rainwater, and seawater by Yi, Zhen, Zhuang, Guoshun, Brown, Phyllis R, Duce, Robert A

“…A reversed-phase high performance liquid chromatography method was developed to determine concentrations of iron (II) in Chinese loess, aerosols, rainwater and…”
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Effects of Mobile-Phase Additives, Solution pH, Ionization Constant, and Analyte Concentration on the Sensitivities and Electrospray Ionization Mass Spectra of Nucleoside Antiviral Agents by Kamel, Amin M, Brown, Phyllis R, Munson, Burnaby

“…The effects of various mobile-phase additives, solution pH, pK a, and analyte concentration on electrospray ionization mass spectra of a series of purine and…”
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Analysis of C60 and C70 fullerenes using high-performance liquid chromatography-Fourier transform infrared spectroscopy by TREUBIG, James M, BROWN, Phyllis R

“…The performance of Fourier transform infrared spectroscopy (FT-IR) detection coupled to high-performance liquid chromatography for the analysis of C60 and C70…”
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Perspectives on analyses of nucleic acid constituents: the basis of genomics by Brown, Phyllis R, Robb, Christina S, Geldart, Susan E

“…The recent mapping of the human genome was a tremendous achievement made possible to a large degree by the development of analytical methods for sequencing…”
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Analysis of nucleotides by capillary electrophoresis by Geldart, Susan E, Brown, Phyllis R

“…Capillary electrophoresis is a useful tool for the analysis of nucleotides. Methods have been optimized for both CZE and MECC modes. A variety of CZE buffers,…”
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Link between iron and sulphur cycles suggested by detection of Fe(n) in remote marine aerosols by Zhuang, Guoshun, Yi, Zhen, Duce, Robert A, Brown, Phyllis R

“…It is reported that iron(II) has contributed 56% plus or minus 32% of the total iron in marine aerosol samples collected over the central North Pacific and 49%…”
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ANALYSIS OF GREEN TEA CONSTITUENTS BY HPLC-FTIR by Robb, Christina. S., Geldart, Susan E., Seelenbinder, John A., Brown, Phyllis R.

“…HPLC-FTIR was investigated for the qualitative determination of catechins and methyl xanthines present in green tea extracts. A reversed phase separation of…”
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Separation of purine and pyrimidine bases by capillary zone electrophoresis with carbonate buffers by Geldart, Susan E, Brown, Phyllis R

“…The separation of eight purine bases was achieved by capillary electrophoresis in 16 min using a voltage of 15 kV and a 50 m M sodium…”
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Monitoring the formation of Maillard reaction products of glucosamine with fibrinogen and human serum albumin using capillary electrophoresis by Zhang, Xinfeng, Ma, Yue, Liu, Hong, de Sa, Paula F.G, Brown, Phyllis R, Dain, Joel A

“…Formation of Maillard reaction products (MRP) of glucosamine (GlcN) with fibrinogen and human serum albumin (HSA), under simulated physiological conditions,…”
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Use of reversed-phase high-performance liquid chromatographic analysis for the determination of provitamin A carotenes in tomatoes by Zakaria, M, Simpson, K, Brown, P R, Krstulovic, A

“…The usual methods for provitamin A evaluation of foods convert the total pigment amount, determined spectrophotometrically, into vitamin A units. Since the…”
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Separation and detection of triacylglycerols by high-performance liquid chromatography by Wojtusik, Mary Jo, Brown, Phyllis R, Turcotte, Joseph G

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Enhanced analysis of purine and pyrimidine bases by the use of double-strand polyaniline coatings in micellar electrokinetic capillary chromatography by Robb, Christina S., Yang, Sze C., Brown, Phyllis R.

“…A double‐strand polymeric complex, which suppresses electroosmotic flow relative to fused‐silica, is described. The polymeric complex contains a strand…”
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Structure-retention relations in the reversed-phase high performance liquid chromatography of purine and pyrimidine compounds by Brown, Phyllis R, Grushka, Eli

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On-Line Detection for the HPLC Analysis of Water-Soluble Vitamins in Multivitamin Tablets by Li, Ying, Brown, Phyllis R.

“…Four water-soluble vitamins, thiamine (B 1 ), riboflavin (B 2 ), pantothenic acid (B 5 ), and pyridoxine (B 6 ), frequently found in multivitamin tablets were…”
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The use of capillary electrophoresis to monitor Maillard reaction products (MRP) by glyceraldehyde and the epsilon amino group of lysine by de Sa, Paula F.G., Treubig, James M., Brown, Phyllis R., Dain, Joel A.

“…Capillary electrophoresis (CE) was used to monitor the formation of Maillard reaction products (MRP) from the reaction of glyceraldehyde (GA) with the epsilon…”
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Validation of enantiomeric separations by micellar electrokinetic capillary chromatography using synthetic chiral surfactants by Swartz, Michael E., Mazzeo, Jeffrey R., Grover, Edward R., Brown, Phyllis R.

“…The first report on the feasibility of method validation for the separation of enantiomeric mixtures by chiral micelle electrokinetic capillary chromatography…”
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The Optimization of HPLC-UV Conditions for Use with FTIR Detection in the Analysis of B Vitamins by Li, Ying, Brown, Phyllis R.

“…The water-soluble vitamins thiamine (B1), riboflavin (B2), pantothenic acid (B5), and pyridoxine (B6) are separated by high-performance liquid chromatography…”
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