The effects of pH on the partitioning of aromatic acids in a polyethylene glycol/dextran aqueous biphasic system

被引：5

作者：

Moody, Melanie L. ^{[1
]}

Huddleston, Jonathan G. ^{[1
,2
]}

Berton, Paula ^{[3
]}

Zhang, Jianhua ^{[1
]}

Rogers, Robin D. ^{[1
,3
]}

机构：

[1] Univ Alabama, Dept Chem, Box 870336, Tuscaloosa, AL 35487 USA

[2] Brunel Univ, Inst Environm Hlth & Soc, Adv Bioproc Ctr, London, England

[3] McGill Univ, Dept Chem, 801 Sherbrooke St West, Montreal, PQ H3A 0B8, Canada

来源：

SEPARATION SCIENCE AND TECHNOLOGY | 2017年 / 52卷 / 05期

关键词：

Aqueous biphasic system; aromatic acids; pH effect; polyethylene glycol; dextran; METAL-ION SEPARATIONS; MULTICOMPONENT POLYMER-SOLUTIONS; LOW-MOLECULAR-WEIGHT; 2-PHASE SYSTEMS; RELATIVE HYDROPHOBICITY; POLY(ETHYLENE GLYCOL); FREE-ENERGY; ELECTROSTATIC INTERACTIONS; PROTEIN SEPARATION; ORGANIC-COMPOUNDS;

D O I：

10.1080/01496395.2016.1269809

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Distribution ratios of acidic, neutral, and basic compounds were determined in polyethylene glycol (PEG)-6000/Dextran-75000 aqueous biphasic systems (ABSs) at incremental pH values. The nature of the solute species present at each pH was identified using speciation diagrams, and it was determined that the distribution ratios were related to their charge, with maximum distribution to the upper PEG-rich phase when the neutral species were dominant. The results suggest that this ABS is tunable with simple modifications of pH leading to increasing selectivity for specific target solutes.

引用

页码：843 / 851

页数：9

共 50 条

[41] Aqueous biphasic systems using polyethylene glycol/ammonium carbamate.
Rogers, RD
Spear, SK
Smith, KD
Huddleston, JG
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1999, 218 : U681 - U682
[42] Influence of Phase Compositions, pH and Temperature on Bovine Serum Albumin Partitioning in Aqueous Biphasic System
Muthiah, Perumalsamy
Pampana, Bharat Kumar
CHEMICAL PRODUCT AND PROCESS MODELING, 2010, 5 (01):
[43] PERTECHNETATE PARTITIONING IN POLYETHYLENE GLYCOL-BASED AQUEOUS BIPHASIC SYSTEMS - APPLICATIONS FROM NUCLEAR-MEDICINE TO NUCLEAR WASTE
RODEN, DM
SONG, Y
JEZL, ML
BAUER, CB
BOND, AH
ROGERS, RD
ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1994, 207 : 52 - IEC
[44] Extraction of Hg(I), Hg(II) and methylmercury using polyethylene glycol based aqueous biphasic system
Roy, Kamalika
Lahiri, Susanta
APPLIED RADIATION AND ISOTOPES, 2009, 67 (10) : 1781 - 1784
[45] PARTITION OF FRESH AND STORED ERYTHROCYTES IN AN AQUEOUS DEXTRAN-POLYETHYLENE GLYCOL 2-PHASE SYSTEM
WALTER, H
GARZA, R
SELBY, FW
EXPERIMENTAL CELL RESEARCH, 1968, 49 (03) : 679 - &
[46] Partitioning behavior of amino acids in aqueous two-phase systems containing polyethylene glycol and phosphate buffer
Shang, QK
Li, W
Jia, Q
Li, DQ
FLUID PHASE EQUILIBRIA, 2004, 219 (02) : 195 - 203
[47] EFFECTS OF DEAE-DEXTRAN ON PARTITION OF RED BLOOD CELLS IN AQUEOUS DEXTRAN-POLYETHYLENE GLYCOL 2-PHASE SYSTEMS
WALTER, H
SELBY, FW
BIOCHIMICA ET BIOPHYSICA ACTA, 1967, 148 (02) : 517 - &
[48] Metal ion separations in polyethylene glycol-based aqueous biphasic systems: Correlation of partitioning behavior with available thermodynamic hydration data
Rogers, RD
Bond, AH
Bauer, CB
Zhang, JH
Griffin, ST
JOURNAL OF CHROMATOGRAPHY B-BIOMEDICAL APPLICATIONS, 1996, 680 (1-2): : 221 - 229
[49] Interphase Distribution of Aromatic Acids in the Polyethylene Glycol-Sodium Sulfate-Water System
Voshkin, A. A.
Zakhodyaeva, Yu. A.
Zinov'eva, I. V.
Shkinev, V. M.
THEORETICAL FOUNDATIONS OF CHEMICAL ENGINEERING, 2018, 52 (05) : 890 - 893
[50] The opposite effect of temperature on polyethylene glycol-based aqueous biphasic systems versus aqueous biphasic extraction chromatographic resins
Griffin, Scott T.
Dilip, Meghna
Spear, Scott K.
Huddleston, Jonathan G.
Rogers, Robin D.
JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES, 2006, 844 (01): : 23 - 31

← 1 2 3 4 5 →