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Kuşat K, Bağlamış S, Kuru Cİ, Ulucan F, Uygun M, Akgöl S. p(HEMA)-RR241 hydrogel membranes with micron network for IgG depletion in proteomic studies. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1181-1197. [PMID: 35192441 DOI: 10.1080/09205063.2022.2045666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/12/2022] [Accepted: 02/20/2022] [Indexed: 06/14/2023]
Abstract
Serum proteins can generally be considered a good source for the illness' indication and are precious resources to detect diseases such as inflammation, cancer, diabetes, malnutrition, cardiovascular diseases, Alzheimer's, other autoimmune diseases, and infections. However, one of the biggest difficulties for proteomic studies is that the majority of serum protein mass consists of only a few proteins. Albumin and Immunoglobulin (IgG) constitute 80% of total serum protein. In this study, dye ligand affinity-based hydrogel membranes were proposed as new materials with micron mesh structures. Micron mesh p(HEMA) hydrogel membranes were synthesized by using the UV-photopolymerization method, then modified with Reactive Red 241 (RR241) dye ligand to increase the affinity towards IgG. Characterizations of synthesized micron mesh p(HEMA)-RR241 hydrogel membranes were also performed. It was demonstrated by the characterization studies that; the dye was successfully incorporated into the membrane structure with the amount of 119.38 mg/g. The hydrophilic property of the hydrogel membrane was demonstrated by swelling tests and the swelling value of dye modified membrane was found to be 8 times higher than that of the plain membrane. Micron network structure, as well as the porosity, were demonstrated with SEM/ESEM studies. Optimization of IgG adsorption conditions was also studied at different parameters (pH, temperature, ion strength, initial IgG concentration). Optimum pH, temperature, and ionic strength were found to be 6.5, 25 °C, 0.05 M, respectively, and the maximum IgG absorption value was 10.27 mg/g. Finally, it was shown that the proposed materials can be used repeatedly by 5 adsorption-desorption cycles.
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Affiliation(s)
- Kevser Kuşat
- Chemistry Department, Faculty of Science, Dokuz Eylül University, Izmir, Turkey
| | - Selami Bağlamış
- Biochemistry Department, Faculty of Science, Ege University, Izmir, Turkey
| | - Cansu İlke Kuru
- Biochemistry Department, Faculty of Science, Ege University, Izmir, Turkey
| | - Fulden Ulucan
- Biochemistry Department, Faculty of Science, Ege University, Izmir, Turkey
| | - Murat Uygun
- Chemistry Department, Faculty of Science and Arts, Adnan Menderes University, Aydın, Turkey
| | - Sinan Akgöl
- Biochemistry Department, Faculty of Science, Ege University, Izmir, Turkey
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2
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Ouimet JA, Xu J, Flores‐Hansen C, Phillip WA, Boudouris BW. Design Considerations for Next‐Generation Polymer Sorbents: From Polymer Chemistry to Device Configurations. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jonathan Aubuchon Ouimet
- Department of Chemical and Biomolecular Engineering University of Notre Dame Notre Dame Indiana 46566 United States
| | - Jialing Xu
- Department of Chemical and Biomolecular Engineering University of Notre Dame Notre Dame Indiana 46566 United States
| | - Carsten Flores‐Hansen
- Department of Chemistry Purdue University West Lafayette Indiana 47907 United States
| | - William A. Phillip
- Department of Chemical and Biomolecular Engineering University of Notre Dame Notre Dame Indiana 46566 United States
| | - Bryan W. Boudouris
- Department of Chemistry Purdue University West Lafayette Indiana 47907 United States
- Charles D. Davidson School of Chemical Engineering Purdue University West Lafayette Indiana 47907 United States
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3
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Pourrostam-Ravadanaq P, Safa KD, Abbasi H. Study of imidazole performance as pseudo-affinity ligand in the purification of IgG from bovine milk. Anal Biochem 2020; 597:113693. [PMID: 32201137 DOI: 10.1016/j.ab.2020.113693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/13/2020] [Accepted: 03/18/2020] [Indexed: 11/17/2022]
Abstract
The spherical sepharose CL-6B beads were activated by epichlorohydrin in different epoxy contents (80, 120 and 160 μmolepoxide/mLgel) and, l-histidine and imidazole as pseudo-affinity ligands were covalently immobilized to them. Some linkers with different length, (1,2-ethanediol diglycidyl ether and 1,4-butanediol diglycidyl ether) were synthesized for activation of sepharose and the activated sepharose beads modified with imidazole and the performance of these adsorbents in the purification of immunoglobulin G from bovine milk were evaluated. Among the l-histidine bearing adsorbents, higher adsorption of IgG (0.28 mg/mL) was obtained by adsorbent with the lower concentration of l-histidine. The highest amount of IgG adsorption (0.53 mg/mL) was obtained by imidazole bearing adsorbent with the highest amount of imidazole and Among the adsorbents with synthesized linkers, the adsorbent with 1,2-ethanediol diglycidyl ether showed better performance and was able to purify 0.25 mg/mL IgG with high purity. The synthesized pseudo-affinity adsorbents represented the abbility to purify immunoglobulin G in one-step process with high purity and efficiency.
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Affiliation(s)
| | - Kazem D Safa
- Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
| | - Hassan Abbasi
- Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
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Hu X, Chen Q, Zhang DD, Chen XW, Wang JH. Pyridine boronic acid-polyoxometalate based porous hybrid for efficient depletion of high abundant glycoproteins in plasma. J Mater Chem B 2018; 6:8196-8203. [PMID: 32254939 DOI: 10.1039/c8tb02265h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A porous hybrid, namely PW12@TiO2-Si(Et)Si/Pba, is fabricated by the modification of PW12@TiO2-Si(Et)Si with pyridine boronic acid via a solvothermal method. The covalent interactions between the boronic acid group of the hybrid and the glycosylated site of proteins provide the as-prepared hybrid with favorable adsorption performance towards glycoproteins. The adsorption behaviors of glycoproteins onto the hybrid fit well with the Langmuir model, and the adsorption capacities for glycoprotein IgG and Trf are high, up to 348.5 mg g-1 and 262.6 mg g-1, respectively. Thus, a protocol for the depletion of high abundant glycoproteins from human plasma is proposed. The percentage contents of Trf, IgG, haptoglobinis and IgM are reduced from 7.38%, 5.5%, 3.01% and 1.02% to 0.951%, 4.7%, 0.126% and 0.76%, respectively. 85 low abundant proteins are identified from the raw plasma after the depletion of the high abundance proteins, demonstrating the potential of PW12@TiO2-Si(Et)Si/Pba hybrid in proteomic studies.
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Affiliation(s)
- Xue Hu
- Research Center for Analytical Sciences, Department of Chemistry, College of Sciences, Northeastern University, Box 332, Shenyang 110819, China.
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Hu X, Li G, Lin Y. A novel high-capacity immunoadsorbent with PAMAM dendritic spacer arms by click chemistry. NEW J CHEM 2018. [DOI: 10.1039/c8nj02142b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel immunoadsorbent with polyamidoamine dendritic spacer arms was prepared. Click chemistry can improve the reaction selectivity between the ligands and the support matrix under mild reaction conditions. The designed and prepared immunoadsorbent exhibits excellent adsorption for IgG. The IgG adsorption capacity of Sep-G3-His is superior to those of Sep-triazole-His and protein A immunoadsorbents.
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Affiliation(s)
- Xiaoyan Hu
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Guangji Li
- School of Materials Science and Engineering
- South China University of Technology
- Guangzhou
- China
| | - Yinlei Lin
- School of Materials Science and Energy Engineering
- Foshan University
- Foshan
- P. R. China
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Çorman ME, Armutcu C, Bereli N, Elkak A. Histidine-epoxy-activated sepharose beads embedded poly (2-hydroxyethyl methacrylate) cryogels for pseudobiospecific adsorption of human immunoglobulin G. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2017. [DOI: 10.1080/10601325.2017.1381921] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Mehmet Emin Çorman
- Faculty of Sciences and Arts, Department of Chemistry, Sinop University, Sinop, Turkey
| | - Canan Armutcu
- Hacettepe University, Department of Chemistry, Beytepe, Ankara, Turkey
| | - Nilay Bereli
- Hacettepe University, Department of Chemistry, Beytepe, Ankara, Turkey
| | - Assem Elkak
- Laboratory of “Valorisation des Ressources Naturelles et Produits de Santé (VRNPS)”, Doctoral School of Sciences and Technology, Lebanese University, Rafic Hariri University Campus, Hadath, Lebanon
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Yavuz H, Bereli N, Yılmaz F, Armutcu C, Denizli A. Antibody purification from human plasma by metal-chelated affinity membranes. Methods Mol Biol 2015; 1286:43-6. [PMID: 25749944 DOI: 10.1007/978-1-4939-2447-9_4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Immobilized metal ion affinity chromatography (IMAC) has been used for purification of proteins. IMAC introduces a new approach for selectively interacting biomolecules on the basis of their affinities for metal ions. The separation is based on different binding abilities of the proteins to the chelated metal ions on support. Here, N-methacryloyl-(L)-histidine methyl ester (MAH) is used as the metal-chelating ligand. Poly(hydroxyethyl methacrylate) Poly(HEMA) based membranes were prepared by photo-polymerization technique. Then, Zn(2+), Ni(2+), Co(2+), and Cu(2+) ions were chelated directly on the poly(HEMA-MAH) membranes for purification of immunoglobulin G (IgG) from human plasma.
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Affiliation(s)
- Handan Yavuz
- Biochemistry Division, Department of Chemistry, Hacettepe University, Chemistry Department, Ankara, 06800, Turkey
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Çulha S, Armutcu C, Uzun L, Şenel S, Denizli A. Synthesis of l-lysine imprinted cryogels for immunoglobulin G adsorption. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 52:315-24. [DOI: 10.1016/j.msec.2015.03.059] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Revised: 01/25/2015] [Accepted: 03/23/2015] [Indexed: 11/24/2022]
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9
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Martins R, Queiroz J, Sousa F. Ribonucleic acid purification. J Chromatogr A 2014; 1355:1-14. [DOI: 10.1016/j.chroma.2014.05.075] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2014] [Revised: 05/23/2014] [Accepted: 05/27/2014] [Indexed: 11/24/2022]
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10
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Uygun M. Dye-attached cryogels for reversible alcohol dehydrogenase immobilization. J Chromatogr B Analyt Technol Biomed Life Sci 2014; 959:42-8. [DOI: 10.1016/j.jchromb.2014.04.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 03/08/2014] [Accepted: 04/02/2014] [Indexed: 12/11/2022]
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11
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Purification antibody by thiophilic magnetic sorbent modified with 2-mercapto-1-methylimidazol. Colloids Surf B Biointerfaces 2013; 108:72-9. [DOI: 10.1016/j.colsurfb.2013.02.037] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2012] [Revised: 02/21/2013] [Accepted: 02/22/2013] [Indexed: 01/28/2023]
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12
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Akkaya B, Akkaya R. Cross-Linked Bentonite-Acrylamide-histidine-Based Metal-Chelate Affinity Microcomposites for Lysozyme Separation From Egg White. SEP SCI TECHNOL 2012. [DOI: 10.1080/01496395.2012.683124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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13
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l-histidine functionalized multi-walled carbon nanotubes for on-line affinity separation and purification of immunoglobulin G in serum. Talanta 2012; 99:40-9. [DOI: 10.1016/j.talanta.2012.05.018] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 05/10/2012] [Indexed: 11/18/2022]
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14
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Click chemistry: A route to designing and preparing pseudo-biospecific immunoadsorbent for IgG adsorption. J Chromatogr B Analyt Technol Biomed Life Sci 2012; 899:96-102. [DOI: 10.1016/j.jchromb.2012.05.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 04/03/2012] [Accepted: 05/02/2012] [Indexed: 11/23/2022]
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15
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IgG purification by bentonite–acrylamide–histidine microcomposite. Colloids Surf B Biointerfaces 2012; 92:151-5. [DOI: 10.1016/j.colsurfb.2011.11.033] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2011] [Revised: 11/15/2011] [Accepted: 11/16/2011] [Indexed: 11/22/2022]
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16
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Concanavalin A immobilized magnetic poly(glycidyl methacrylate) beads for antibody purification. J Appl Polym Sci 2012. [DOI: 10.1002/app.34443] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Martins R, Queiroz JA, Sousa F. Histidine affinity chromatography-based methodology for the simultaneous isolation of Escherichia coli small and ribosomal RNA. Biomed Chromatogr 2011; 26:781-8. [DOI: 10.1002/bmc.1729] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Accepted: 09/11/2011] [Indexed: 01/26/2023]
Affiliation(s)
- Rita Martins
- CICS-UBI, Health Sciences Research Centre; University of Beira Interior; Av. Infante D. Henrique; 6200-506; Covilhã; Portugal
| | - João António Queiroz
- CICS-UBI, Health Sciences Research Centre; University of Beira Interior; Av. Infante D. Henrique; 6200-506; Covilhã; Portugal
| | - Fani Sousa
- CICS-UBI, Health Sciences Research Centre; University of Beira Interior; Av. Infante D. Henrique; 6200-506; Covilhã; Portugal
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Yavuz H, Bereli N, Armutçu C, Yılmaz F, Denizli A. Antibody purification from human plasma by metal-chelated affinity membranes. J Appl Polym Sci 2011. [DOI: 10.1002/app.34672] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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19
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Martins R, Queiroz JA, Sousa F. A new affinity approach to isolate Escherichia coli 6S RNA with histidine-chromatography. J Mol Recognit 2010; 23:519-24. [DOI: 10.1002/jmr.1078] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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20
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Antibody purification with protein A attached supermacroporous poly(hydroxyethyl methacrylate) cryogel. Biochem Eng J 2009. [DOI: 10.1016/j.bej.2009.03.013] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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21
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Yang H, Gurgel P, Carbonell R. Hexamer peptide affinity resins that bind the Fc region of human immunoglobulin G. ACTA ACUST UNITED AC 2008. [DOI: 10.1111/j.1747-0285.2006.00342.x] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Öztürk N, Tabak A, Akgöl S, Denizli A. Newly synthesized bentonite–histidine (Bent–His) micro-composite affinity sorbents for IgG adsorption. Colloids Surf A Physicochem Eng Asp 2007. [DOI: 10.1016/j.colsurfa.2007.01.026] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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23
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Rzaev ZM, Dinçer S, Pişkin E. Functional copolymers of N-isopropylacrylamide for bioengineering applications. Prog Polym Sci 2007. [DOI: 10.1016/j.progpolymsci.2007.01.006] [Citation(s) in RCA: 445] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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24
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Babac C, Yavuz H, Galaev IY, Pişkin E, Denizli A. Binding of antibodies to concanavalin A-modified monolithic cryogel. REACT FUNCT POLYM 2006. [DOI: 10.1016/j.reactfunctpolym.2006.03.007] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Bereli N, Uzun L, Yavuz H, Elkak A, Denizli A. Antibody purification using porous metal–chelated monolithic columns. J Appl Polym Sci 2006. [DOI: 10.1002/app.23894] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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26
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Bereli N, Akgöl S, Yavuz H, Denizli A. Antibody purification by concanavalin A affinity chromatography. J Appl Polym Sci 2005. [DOI: 10.1002/app.21862] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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27
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Çanak Y, Özkara S, Akgöl S, Denizli A. Pseudo-specific bioaffinity chromatography of immunoglobulin-G. REACT FUNCT POLYM 2004. [DOI: 10.1016/j.reactfunctpolym.2004.06.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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28
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Arica MY, Yalçin E, Bayramoğlu G. Preparation and characterisation of surfaces properties of poly(hydroxyethylmethacrylate-co-methacrylolyamido-histidine) membranes: application for purification of human immunoglobulin G. J Chromatogr B Analyt Technol Biomed Life Sci 2004; 807:315-25. [PMID: 15203046 DOI: 10.1016/j.jchromb.2004.04.025] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2004] [Revised: 04/20/2004] [Accepted: 04/26/2004] [Indexed: 10/26/2022]
Abstract
In this study, an affinity membrane containing L-histidine as an amino acid ligand was used in separation and purification of human immunoglobulin G (HIgG) from solution and human serum. The polarities and the surface free energies of the affinity membranes were determined by contact angle measurements. HIgG adsorption and purification onto the affinity membranes from aqueous solution and human serum were investigated in a batch and a continuous system. Effect of different system parameters such as ligand density, adsorbent dosage, pH, temperature, ionic strength and HIgG initial concentration on HIgG adsorption were investigated. The maximum adsorption capacity of p(HEMA-MAAH-4) membranes for HIgG was 13.06 mgml(-1). The reversible HIgG adsorption on the affinity membrane obeyed both the Langmuir and Freundlich isotherm models. The adsorption data was analysed using the first- and second-order kinetic model and the experimental data was well described by the first-order equations. In the continuous system, the purity of the eluted HIgG, as determined by HPLC, was 93% with recovery 58% for p(HEMA-MAAH-4) membrane. The affinity membranes are stable when subjected to sanitization with sodium hydroxide after repeated adsorption-elution cycles.
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Affiliation(s)
- M Yakup Arica
- Biochemical Processing and Biomaterial Research Laboratory, Faculty of Science, Kirikkale University, Yahşihan-Kirikkale, 71450, Turkey.
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Denizli A, Alkan M, Garipcan B, Ozkara S, Pişkin E. Novel metal-chelate affinity adsorbent for purification of immunoglobulin-G from human plasma. J Chromatogr B Analyt Technol Biomed Life Sci 2003; 795:93-103. [PMID: 12957173 DOI: 10.1016/s1570-0232(03)00550-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Metal-chelating ligand and/or comonomer 2-methacrylolyamidohistidine (MAH) was synthesized by using methacryloyl chloride and L-histidine methyl ester. MAH was characterized by NMR and FTIR. Spherical beads with an average diameter of 75-125 microm were produced by suspension polymerization of methylmethacrylate (MMA) and MAH carried out in an aqueous dispersion medium. Poly(MMA-MAH) beads had a specific surface area of 37.5 m(2)/g. Poly(MMA-MAH) beads were characterized by water uptake studies, FTIR, SEM and elemental analysis. Elemental analysis of MAH for nitrogen was estimated as 34.7 microM/g of polymer. Then, Cu(2+) ions were chelated on the beads. Cu(2+)-chelated beads with a swelling ratio of 38% were used in the adsorption of human-immunoglobulin G (HIgG) from both aqueous solutions and human plasma. The maximum adsorption capacities of the Cu(2+)-chelated beads were found to be 12.2 mg/g at pH 6.5 in phosphate buffer and 15.7 mg/g at pH 7.0 in MOPS. Higher adsorption value was obtained from human plasma (up to 54.3 mg/g) with a purity of 90.7%. The metal-chelate affinity beads allowed one-step separation of HIgG from human plasma. The adsorption-desorption cycle was repeated 10 times using the same beads without noticeable loss in their HIgG adsorption capacity.
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Affiliation(s)
- Adil Denizli
- Department of Chemistry, Hacettepe University, Ankara, Turkey.
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Yavuz H, Denizli A. Immunoaffinity beads for selective removal of cholesterol from human plasma. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2003; 14:395-409. [PMID: 12807143 DOI: 10.1163/156856203766652020] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Anti-low density lipoprotein antibody (anti-LDL antibody) attached poly(2-hydroxyethyl methacrylate-methacryloylamidophenylalanine) (poly(HEMA-MAPA)) beads were prepared for selective removal of cholesterol from hypercholesterolemic human plasma. Poly(HEMA-MAPA) beads were produced by a modified suspension polymerization and then characterized by swelling tests and SEM. Blood-compatibility tests were also investigated. The water swelling ratio of the poly(HEMA-MAPA) beads increased significantly (68%) compared with pHEMA (55%). All the clotting times increased when compared with poly(HEMA) beads. Loss of platelets and leukocytes was very low. The maximum anti-LDL antibody attachment was achieved at pH 7.0. Attachment of anti-LDL antibody was 29.6 mg/g. There was a very low non-specific cholesterol binding onto the poly(HEMA-MAPA) beads, about 0.74 mg/g. Anti-LDL antibody attached beads adsorbed in the range of 13.3-16.0 mg cholesterol/g from hypercholesterolemic human plasma. Up to 92% of the adsorbed LDL was desorbed. The binding-elution cycle was repeated 10 times using the same beads. There was no significant loss of binding capacity.
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Affiliation(s)
- Handan Yavuz
- Hacettepe University Department of Chemistry, Biochemistry Division, Ankara, Turkey.
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31
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Aquino L, Miranda E, Duarte I, Rosa P, Bueno S. Adsorption of human immunoglobulin G onto ethacrylate and histidine-linked methacrylate. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2003. [DOI: 10.1590/s0104-66322003000300005] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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32
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Cibacron Blue F3GA incorporated poly(methylmethacrylate) beads for albumin adsorption in batch system. Colloids Surf A Physicochem Eng Asp 2003. [DOI: 10.1016/s0927-7757(03)00153-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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33
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Ozkara S, Garipcan B, Pişkin E, Denizli A. N-methacryloly-(L)-histidinemethylester carrying a pseudospecific affinity sorbent for immunoglobulin-G isolation from human plasma in a column system. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2003; 14:761-76. [PMID: 14533857 DOI: 10.1163/156856203768366512] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
N-methacryloly-(L)-histidinemethylester (MAH) as a pseudospecific ligand was synthesized by using methacryloyl chloride and histidine. Spherical beads with an average size of 63-75 microm were obtained by suspension polymerization of ethylene glycol dimethacrylate (EGDMA), 2-hydroxyethyl methacrylate (HEMA) and MAH conducted in an aqueous dispersion medium. The specific surface area of the beads was found to be 18.3 m2/g. Poly(EGDMA-HEMA-MAH) beads were used in the separation of immunoglobulin-G (HIgG) from aqueous solutions and/or human plasma in a packed-bed column system. HIgG adsorption capacity of the beads decreased with an increase in the flow-rate of plasma. The maximum HIgG adsorption on the poly(EGDMA-HEMA-MAH) sorbents was observed at pH 7.4. HIgG adsorption onto the poly(EGDMA-HEMA) sorbents was negligible. Higher adsorption values (up to 135 mg/g) were obtained when the poly(EGDMA-HEMA-MAH) sorbents were used from aqueous solutions. HIgG adsorption increased with decreasing temperature and the maximum adsorption achieved at 4 degrees C. MAH incorporation significantly affected HIgG adsorption capacity (135 mg/g). Higher amounts of HIgG were adsorbed from human plasma (up to 165 mg/g). Adsorption capacities of other blood proteins were obtained as 8.7 mg/g for fibrinogen and 14.6 mg/g for albumin. The total protein adsorption was determined as 191 mg/g. The pseudospecific affinity beads allowed one-step separation of HIgG from human plasma. HIgG molecules could be repeatedly adsorbed and desorbed with these sorbents without noticeable loss in their HIgG adsorption capacity.
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Affiliation(s)
- Serpil Ozkara
- Bioengineering Division, Hacettepe University, Ankara, Turkey
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