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Results: 1-23 |
Results: 23
Dependence of reversed-phase retention of ionizable analytes on pH, concentration of organic solvent and silanol activity
Authors: Neue, UD Phoebe, CH Tran, K Cheng, YF Lu, ZL
Citation: Ud. Neue et al., Dependence of reversed-phase retention of ionizable analytes on pH, concentration of organic solvent and silanol activity, J CHROMAT A, 925(1-2), 2001, pp. 49-67
Simplified procedure for the determination of codeine and its metabolite in urine and plasma by LC/UV and LC/MS using mixed-mode cation exchange for sample preparation
Authors: Cheng, YF Neue, UD Bonin, R Block, E Bean, L
Citation: Yf. Cheng et al., Simplified procedure for the determination of codeine and its metabolite in urine and plasma by LC/UV and LC/MS using mixed-mode cation exchange for sample preparation, J LIQ CHR R, 24(9), 2001, pp. 1353-1364
Design of rapid gradient methods for the analysis of combinatorial chemistry libraries and the preparation of pure compounds
Authors: Neue, UD Carmody, JL Cheng, YF Lu, ZL Phoebe, CH Wheat, TE
Citation: Ud. Neue et al., Design of rapid gradient methods for the analysis of combinatorial chemistry libraries and the preparation of pure compounds, ADV CHROMAT, 41, 2001, pp. 93-136
HPLC troubleshooting - Negative peaks
Authors: Weinberger, R Neue, UD
Citation: R. Weinberger et Ud. Neue, HPLC troubleshooting - Negative peaks, AM LABORAT, 33(8), 2001, pp. 58-59
Buffers for LC-MS
Authors: Neue, UD
Citation: Ud. Neue, Buffers for LC-MS, AM LABORAT, 33(22), 2001, pp. 51-51
Buffers for LC-MS
Authors: Neue, UD
Citation: Ud. Neue, Buffers for LC-MS, AM LABORAT, 33(22), 2001, pp. 51-51
HPLC troubleshooting
Authors: Neue, UD
Citation: Ud. Neue, HPLC troubleshooting, AM LABORAT, 33(18), 2001, pp. 49-50
HPLC troubleshooting - Tricky, tedious, time-consuming
Authors: Neue, UD
Citation: Ud. Neue, HPLC troubleshooting - Tricky, tedious, time-consuming, AM LABORAT, 33(12), 2001, pp. 42-43
Properties of reversed phase packings with an embedded polar group
Authors: Neue, UD Cheng, YF Lu, Z Alden, BA Iraneta, PC Phoebe, CH Van Tran, K
Citation: Ud. Neue et al., Properties of reversed phase packings with an embedded polar group, CHROMATOGR, 54(3-4), 2001, pp. 169-177
Hybrid organic-inorganic particle technology: Breaking through traditionalbarriers of HPLC separations
Authors: Cheng, YF Walter, TH Lu, ZL Iraneta, P Alden, BA Gendreau, C Neue, UD Grassi, JM Carmody, JL O'Gara, JE Fisk, RP
Citation: Yf. Cheng et al., Hybrid organic-inorganic particle technology: Breaking through traditionalbarriers of HPLC separations, LC GC N AM, 18(11), 2000, pp. 1162
HPLC troubleshooting
Authors: Neue, UD
Citation: Ud. Neue, HPLC troubleshooting, AM LABORAT, 32(22), 2000, pp. 56-57
Fast analysis and column backpressure
Authors: Neue, UD
Citation: Ud. Neue, Fast analysis and column backpressure, AM LABORAT, 32(18), 2000, pp. 50-51
Universal procedure for the assessment of the reproducibility and the classification of silica-based reversed-phase packings - I. Assessment of the reproducibility of reversed-phase packings
Authors: Neue, UD Serowik, E Iraneta, P Alden, BA Walter, TH
Citation: Ud. Neue et al., Universal procedure for the assessment of the reproducibility and the classification of silica-based reversed-phase packings - I. Assessment of the reproducibility of reversed-phase packings, J CHROMAT A, 849(1), 1999, pp. 87-100
Universal procedure for the assessment of the reproducibility and the classification of silica-based reversed-phase packings - II. Classification of reversed-phase packings
Authors: Neue, UD Alden, BA Walter, TH
Citation: Ud. Neue et al., Universal procedure for the assessment of the reproducibility and the classification of silica-based reversed-phase packings - II. Classification of reversed-phase packings, J CHROMAT A, 849(1), 1999, pp. 101-116
Novel high-performance liquid chromatographic and solid-phase extraction methods for quantitating methadone and its metabolite in spiked human urine
Authors: Cheng, YF Neue, UD Woods, LL
Citation: Yf. Cheng et al., Novel high-performance liquid chromatographic and solid-phase extraction methods for quantitating methadone and its metabolite in spiked human urine, J CHROMAT B, 729(1-2), 1999, pp. 19-31
A new approach to the effective preparation of plasma samples for rapid drug quantitation using on-line solid phase extraction mass spectrometry
Authors: Ding, JM Neue, UD
Citation: Jm. Ding et Ud. Neue, A new approach to the effective preparation of plasma samples for rapid drug quantitation using on-line solid phase extraction mass spectrometry, RAP C MASS, 13(21), 1999, pp. 2151-2159
Suitability of hydrophilic-lipophilic balanced copolymer as solid-phase extraction material for acidic herbicides
Authors: Sasaki, S Yonekubo, J Young, MS Phillips, DJ Neue, UD
Citation: S. Sasaki et al., Suitability of hydrophilic-lipophilic balanced copolymer as solid-phase extraction material for acidic herbicides, BUNSEKI KAG, 48(6), 1999, pp. 643-647
Mobile phase pH
Authors: Neue, UD
Citation: Ud. Neue, Mobile phase pH, AM LABORAT, 31(6), 1999, pp. 60-61
HPLC troubleshooting - Method control
Authors: Neue, UD
Citation: Ud. Neue, HPLC troubleshooting - Method control, AM LABORAT, 31(4), 1999, pp. 94C-95C
Double peaks in sugar separations
Authors: Neue, UD
Citation: Ud. Neue, Double peaks in sugar separations, AM LABORAT, 31(4), 1999, pp. 95C-95C
Use of high-performance LC packings from pH 1 to pH 12
Authors: Neue, UD Walter, TH Alden, BA Jiang, ZP Fisk, RP Cook, JT Glose, KH Carmody, JL Grassi, JM Cheng, YF Lu, ZL Crowley, RJ
Citation: Ud. Neue et al., Use of high-performance LC packings from pH 1 to pH 12, AM LABORAT, 31(22), 1999, pp. 36
HPLC troubleshooting - Column durability
Authors: Neue, UD
Citation: Ud. Neue, HPLC troubleshooting - Column durability, AM LABORAT, 31(22), 1999, pp. 44
Straightforward solid-phase extraction method for the determination of verapamil and its metabolite in plasma in a 96-well extraction plate
Authors: Cheng, YF Neue, UD Bean, L
Citation: Yf. Cheng et al., Straightforward solid-phase extraction method for the determination of verapamil and its metabolite in plasma in a 96-well extraction plate, J CHROMAT A, 828(1-2), 1998, pp. 273-281
Risultati: 1-23 |