PMID- 22382092 OWN - NLM STAT- MEDLINE DCOM- 20120717 LR - 20120312 IS - 1873-376X (Electronic) IS - 1570-0232 (Linking) VI - 889-890 DP - 2012 Mar 15 TI - Molecular imprinting based composite cryogel membranes for purification of anti-hepatitis B surface antibody by fast protein liquid chromatography. PG - 95-102 LID - 10.1016/j.jchromb.2012.02.001 [doi] AB - In the present study, we have focused our attention to prepare molecular imprinted composite cryogel membranes for purification of hepatitis B surface antibody (anti-HBs) by fast protein liquid chromatography. Before the preparation of the molecular imprinted composite cryogel membranes (MI-CMs) by free radical polymerization at sub-zero temperature, we have synthesized and characterized the anti-HBs imprinted particles. Then, the cryogel membranes (CMs) were characterized by swelling test, scanning electron microscopy and Fourier transform infrared spectroscopy. Prior to chromatographic purification studies, the effective parameters on the anti-HBs adsorption process were evaluated by investigating the dependency of the adsorption capacity on flow-rate, anti-HBs concentration, contact time and ionic strength. The maximum anti-HBs adsorption capacity was calculated as 701.4 mIU/g CM. The selectivity of the MI-CMs was shown by competitive adsorption of anti-HBs, total anti-hepatitis A antibody (anti-HAV) and total immunoglobulin E (IgE) adsorption studies. The MI-CMs have relative selectivity coefficients as 5.45 for anti-HBs/total anti-HAV and 9.05 for anti-HBs/total IgE, respectively. The phosphate buffer solution (pH 7.4) containing 1.0M NaCl was used for elution, almost completely, of adsorbed anti-HBs molecules. The MI-CMs could be used many times without any significant decrease in the adsorption capacity. The chromatographic purification performances of the MI-CMs were also investigated. The chromatographic parameters such as capacity and separation factors, the theoretical plate number and resolution of the MI-CMs were calculated as 5.48, 6.02, 1153.9, and 1.72 for anti-HBs molecules, respectively. As a conclusion, we can say that the MI-CMs could be used for specific purification of anti-HBs from anti-HBs positive human plasma. CI - Copyright A(c) 2012 Elsevier B.V. All rights reserved. FAU - Asliyuce, Sevgi AU - Asliyuce S AD - Hacettepe University, Department of Chemistry, Biochemistry Division, Ankara, Turkey. FAU - Uzun, Lokman AU - Uzun L FAU - Rad, Abbas Yousefi AU - Rad AY FAU - Unal, Serhat AU - Unal S FAU - Say, Ridvan AU - Say R FAU - Denizli, Adil AU - Denizli A LA - eng PT - Journal Article DEP - 20120209 PL - Netherlands TA - J Chromatogr B Analyt Technol Biomed Life Sci JT - Journal of chromatography. B, Analytical technologies in the biomedical and life sciences JID - 101139554 RN - 0 (Cryogels) RN - 0 (Hepatitis B Antibodies) RN - 0 (Hepatitis B Surface Antigens) RN - 0 (Membranes, Artificial) SB - IM MH - Adsorption MH - Chromatography, Affinity/instrumentation/*methods MH - Cryogels/*chemistry MH - Equipment Reuse MH - Hepatitis B/immunology MH - Hepatitis B Antibodies/blood/immunology/*isolation & purification MH - Hepatitis B Surface Antigens/*immunology MH - Humans MH - Membranes, Artificial MH - Microscopy, Electron, Scanning MH - Molecular Imprinting/instrumentation/*methods MH - Osmolar Concentration MH - Spectroscopy, Fourier Transform Infrared EDAT- 2012/03/03 06:00 MHDA- 2012/07/18 06:00 CRDT- 2012/03/03 06:00 PHST- 2011/10/07 00:00 [received] PHST- 2012/01/10 00:00 [revised] PHST- 2012/02/03 00:00 [accepted] PHST- 2012/03/03 06:00 [entrez] PHST- 2012/03/03 06:00 [pubmed] PHST- 2012/07/18 06:00 [medline] AID - S1570-0232(12)00076-1 [pii] AID - 10.1016/j.jchromb.2012.02.001 [doi] PST - ppublish SO - J Chromatogr B Analyt Technol Biomed Life Sci. 2012 Mar 15;889-890:95-102. doi: 10.1016/j.jchromb.2012.02.001. Epub 2012 Feb 9.