REORDERING/RESOLVATION STUDIES OF ALKYLAMIDE PHASES

被引:27
作者
KASTURI, P
BUSZEWSKI, B
JARONIEC, M
GILPIN, RK
机构
[1] KENT STATE UNIV,DEPT CHEM,KENT,OH 44242
[2] MARIE CURIE SKLODOWSKA UNIV,FAC CHEM,PL-20031 LUBLIN,POLAND
关键词
D O I
10.1016/0021-9673(94)85067-4
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
A series of chemically bonded liquid chromatographic packings containing a specific interaction site localized in the interior region of the attached ligands has been prepared by a two-step synthetic route. In the first-step an amino phase is formed and then it is converted to an alkylamide group via reaction with an acid chloride. Using this procedure materials have been prepared with immobilized terminal alkyl groups with chain lengths ranging from C-5 to C-8. Subsequently, the conformation of these modified surfaces have been investigated as a function of temperature under totally aqueous mobile phase conditions. Plots of In k' vs. 1/T curves have been found to be similar to those reported for alkyl phases. However, the onset of reordering/resolvation of the attached ligands is shifted to lower temperatures and the incremental change per methylene group is smaller.
引用
收藏
页码:261 / 265
页数:5
相关论文
共 27 条
[11]   USE OF THE REORDERING RESOLVATION OF ALKYL-MODIFIED SILICA TO CHARACTERIZE THE MICROSCOPIC HETEROGENEITY OF SILICA VIA LIQUID-CHROMATOGRAPHY [J].
GILPIN, RK ;
WU, L .
JOURNAL OF CHROMATOGRAPHY, 1991, 556 (1-2) :415-424
[12]   EFFECT OF TEMPERATURE ON PRECISION OF RETENTION MEASUREMENTS IN LIQUID-CHROMATOGRAPHY [J].
GILPIN, RK ;
SISCO, WR .
JOURNAL OF CHROMATOGRAPHY, 1980, 194 (03) :285-295
[13]   EFFECT OF TEMPERATURE ON THE ORIENTATION OF BONDED HYDROCARBON PHASES IN TOTALLY AQUEOUS LIQUID-CHROMATOGRAPHIC SYSTEMS [J].
GILPIN, RK ;
SQUIRES, JA .
JOURNAL OF CHROMATOGRAPHIC SCIENCE, 1981, 19 (04) :195-199
[14]   THE BONDED PHASE - STRUCTURE AND DYNAMICS [J].
GILPIN, RK .
JOURNAL OF CHROMATOGRAPHIC SCIENCE, 1984, 22 (09) :371-377
[15]  
GUSZEWSKI B, 1990, J CHROMATOGR, V499, P305
[16]   PARTITION AND DISPLACEMENT MODELS IN REVERSED-PHASE LIQUID-CHROMATOGRAPHY WITH MIXED ELUENTS [J].
JARONIEC, M .
JOURNAL OF CHROMATOGRAPHY A, 1993, 656 (1-2) :37-50
[17]  
KASTURI P, 1992, 43TH PITTSB C NEW OR
[18]   SORPTION BEHAVIOR OF ALKYL BONDED PHASES IN REVERSE-PHASE, HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY [J].
LOCHMULLER, CH ;
WILDER, DR .
JOURNAL OF CHROMATOGRAPHIC SCIENCE, 1979, 17 (10) :574-579
[19]  
Poole CF., 1991, CHROMATOGRAPHY TODAY, VEdition
[20]   RECENT ADVANCES IN BONDED PHASES FOR LIQUID-CHROMATOGRAPHY [J].
SANDER, LC ;
WISE, SA .
CRC CRITICAL REVIEWS IN ANALYTICAL CHEMISTRY, 1987, 18 (04) :299-415