51
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Reusable sensor based on high magnetization carboxyl-modified graphene oxide with intrinsic hydrogen peroxide catalytic activity for hydrogen peroxide and glucose detection. Biosens Bioelectron 2013; 41:172-9. [DOI: 10.1016/j.bios.2012.08.008] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 08/02/2012] [Accepted: 08/03/2012] [Indexed: 11/17/2022]
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52
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Henderson TMA, Ladewig K, Haylock DN, McLean KM, O'Connor AJ. Cryogels for biomedical applications. J Mater Chem B 2013; 1:2682-2695. [DOI: 10.1039/c3tb20280a] [Citation(s) in RCA: 193] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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53
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Yang HW, Hua MY, Lin KJ, Wey SP, Tsai RY, Wu SY, Lu YC, Liu HL, Wu T, Ma YH. Bioconjugation of recombinant tissue plasminogen activator to magnetic nanocarriers for targeted thrombolysis. Int J Nanomedicine 2012; 7:5159-73. [PMID: 23055728 PMCID: PMC3464084 DOI: 10.2147/ijn.s32939] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Low-toxicity magnetic nanocarriers (MNCs) composed of a shell of poly [aniline-co-N-(1-one-butyric acid) aniline] over a Fe(3)O(4) magnetic nanoparticle core were developed to carry recombinant tissue plasminogen activator (rtPA) in MNC-rtPA for targeted thrombolysis. With an average diameter of 14.8 nm, the MNCs exerted superparamagnetic properties. Up to 276 μg of active rtPA was immobilized per mg of MNCs, and the stability of the immobilized rtPA was greatly improved during storage at 4°C and 25°C. In vitro thrombolysis testing with a tubing system demonstrated that magnet-guided MNC-rtPA showed significantly improved thrombolysis compared with free rtPA and reduced the clot lysis time from 39.2 ± 3.2 minutes to 10.8 ± 4.2 minutes. In addition, magnet-guided MNC-rtPA at 20% of the regular rtPA dose restored blood flow within 15-25 minutes of treatment in a rat embolism model without triggering hematological toxicity. In conclusion, this improved system is based on magnetic targeting accelerated thrombolysis and is potentially amenable to therapeutic applications in thromboembolic diseases.
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Affiliation(s)
- Hung-Wei Yang
- Chang Gung Molecular Medicine Research Center, Department of Chemical and Materials Engineering, Chang Gung Memorial Hospital, Kuei-Shan, Tao-Yuan, Taiwan, Republic of China
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54
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Tüzmen N, Kalburcu T, Denizli A. α-Amylase immobilization onto dye attached magnetic beads: Optimization and characterization. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.molcatb.2012.01.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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55
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56
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Liu W, Duan H, Meng X, Qin D, Wang X, Zhang J. Immobilization ofCandida lipolyticalipase on macroporous beaded terpolymers with epoxy groups. J Appl Polym Sci 2012. [DOI: 10.1002/app.38023] [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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57
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El-Aassar MR, Al-Deyab SS, Kenawy ER. Covalent immobilization of β-galactosidase onto electrospun nanofibers of poly (AN-co-MMA) copolymer. J Appl Polym Sci 2012. [DOI: 10.1002/app.37922] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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58
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Jiang Y, Jiang YJ, Zhang YF, Li J, Zhang L, Jiang ZY. Biosilica-coated κ-carrageenan microspheres for yeast alcohol dehydrogenase encapsulation. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2012. [DOI: 10.1163/156856207794761970] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Yan Jiang
- a Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District Tianjin 300072, P. R. China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yan-Jun Jiang
- b Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District Tianjin 300072, P. R. China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Yu-Fei Zhang
- c Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District Tianjin 300072, P. R. China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Jian Li
- d Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District Tianjin 300072, P. R. China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Lei Zhang
- e Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District Tianjin 300072, P. R. China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
| | - Zhong-Yi Jiang
- f Key Laboratory for Green Chemical Technology of Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, 92 Weijin Road, Nankai District Tianjin 300072, P. R. China; State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P. R. China
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59
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Li Y, Quan J, Branford-White C, Williams GR, Wu JX, Zhu LM. Electrospun polyacrylonitrile-glycopolymer nanofibrous membranes for enzyme immobilization. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.molcatb.2011.12.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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60
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Zhang Q, Wang N, Xu T, Cheng Y. Poly(amidoamine) dendronized hollow fiber membranes: synthesis, characterization, and preliminary applications as drug delivery devices. Acta Biomater 2012; 8:1316-22. [PMID: 22154857 DOI: 10.1016/j.actbio.2011.11.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Revised: 11/15/2011] [Accepted: 11/21/2011] [Indexed: 10/14/2022]
Abstract
Poly(amidoamine) (PAMAM) dendrons were prepared from hollow fiber membranes (HFM) consisting of bromomethylated poly(2,6-dimethyl-1,4-phenylene oxide) (BPPO) in a stepwise manner. The prepared HFM were characterized by Fourier transform infrared spectroscopy, elemental analysis, and scanning electron microscopy. The drug loading efficiency and release behavior of the PAMAM dendronized HFM were evaluated using sodium salicylate, sodium methotrexate, and Congo red as model drugs. The results suggest that PAMAM dendronized HFM can be effectively loaded with a variety of drugs and prolong the release of these drugs. The drug loading and release characteristics of the HFM depend on the generation of PAMAM dendrons grafted on the membranes. The prepared PAMAM dendronized BPPO HFM are promising scaffolds in drug delivery and tissue engineering.
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61
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Pundir CS, Chauhan N. Coimmobilization of Detergent Enzymes onto a Plastic Bucket and Brush for Their Application in Cloth Washing. Ind Eng Chem Res 2012. [DOI: 10.1021/ie202053r] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- C. S. Pundir
- Department of Biochemistry, M. D. University, Rohtak-124 001, Haryana, India
| | - Nidhi Chauhan
- Department of Biochemistry, M. D. University, Rohtak-124 001, Haryana, India
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62
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Cabrera-Padilla RY, Lisboa MC, Fricks AT, Franceschi E, Lima AS, Silva DP, Soares CMF. Immobilization of Candida rugosa lipase on poly(3-hydroxybutyrate-co-hydroxyvalerate): a new eco-friendly support. ACTA ACUST UNITED AC 2012; 39:289-98. [DOI: 10.1007/s10295-011-1027-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Accepted: 08/08/2011] [Indexed: 11/28/2022]
Abstract
Abstract
The overall objective of this study is to evaluate the morphological [scanning electron microscopy (SEM)], physicochemical [differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), chemical composition analysis, Fourier-transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR)], and biochemical properties of Candida rugosa lipase (CRL) immobilized on a natural biopolymer poly(3-hydroxybutyrate-co-hydroxyvalerate) (PHBV) in aqueous solution. CRL was immobilized by physical adsorption with efficiency of 30%. Compared with free CRL enzyme, there were slight changes in immobilized CRL activity as a function of temperature (from 37°C to 45°C), but a similar optimal pH value of 7.0. Inactivation rate constants for immobilized CRL enzyme were 0.009 and 0.334 h−1, and half-lives were 77 and 2 h at 40°C and 60°C, respectively. Kinetic parameters obtained for immobilized CRL include the Michaelis–Menten constant of K m = 213.18 mM and maximum reaction velocity of V max = 318.62 U/g. The operational stability of immobilized CRL was tested repeatedly, and after 12 cycles of reuse, the enzyme retained 50% activity. Based on our results, we propose that PHBV-immobilized CRL could serve as a promising biocatalyst in several industrial applications.
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Affiliation(s)
- Rebeca Y Cabrera-Padilla
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
| | - Milena C Lisboa
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
| | - Alini T Fricks
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
- grid.466823.d Instituto de Tecnologia e Pesquisa Av. Murilo Dantas, 300, Prédio do ITP, Bairro Farolândia 49032-490 Aracaju SE Brazil
| | - Elton Franceschi
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
- grid.466823.d Instituto de Tecnologia e Pesquisa Av. Murilo Dantas, 300, Prédio do ITP, Bairro Farolândia 49032-490 Aracaju SE Brazil
| | - Alvaro S Lima
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
- grid.466823.d Instituto de Tecnologia e Pesquisa Av. Murilo Dantas, 300, Prédio do ITP, Bairro Farolândia 49032-490 Aracaju SE Brazil
| | - Daniel P Silva
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
- grid.466823.d Instituto de Tecnologia e Pesquisa Av. Murilo Dantas, 300, Prédio do ITP, Bairro Farolândia 49032-490 Aracaju SE Brazil
| | - Cleide M F Soares
- grid.442005.7 Universidade Tiradentes Av. Murilo Dantas, 300, Bairro Farolândia 49032-490 Aracaju SE Brazil
- grid.466823.d Instituto de Tecnologia e Pesquisa Av. Murilo Dantas, 300, Prédio do ITP, Bairro Farolândia 49032-490 Aracaju SE Brazil
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63
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Tüzmen N, Kalburcu T, Denizli A. Immobilization of catalase via adsorption onto metal-chelated affinity cryogels. Process Biochem 2012. [DOI: 10.1016/j.procbio.2011.09.021] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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64
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Yu H, Cao Y, Kang G, Liu J, Li M. Tethering methoxy polyethylene glycols to improve the antifouling property of PSF/PAA-blended membranes. J Appl Polym Sci 2011. [DOI: 10.1002/app.35611] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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65
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Effect of membranes with various hydrophobic/hydrophilic properties on lipase immobilized activity and stability. J Biosci Bioeng 2011; 113:166-72. [PMID: 22071144 DOI: 10.1016/j.jbiosc.2011.09.023] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2011] [Revised: 09/14/2011] [Accepted: 09/30/2011] [Indexed: 11/22/2022]
Abstract
In this study, three membranes: regenerated cellulose (RC), glass fiber (GF) and polyvinylidene fluoride (PVDF), were grafted with 1,4-diaminobutane (DA) and activated with glutaraldehyde (GA) for lipase covalent immobilization. The efficiencies of lipases immobilized on these membranes with different hydrophobic/hydrophilic properties were compared. The lipase immobilized on hydrophobic PVDF-DA-GA membrane exhibited more than an 11-fold increase in activity compared to its immobilization on a hydrophilic RC-DA-GA membrane. The relationship between surface hydrophobicity and immobilized efficiencies was investigated using hydrophobic/hydrophilic GF membranes which were prepared by grafting a different ratio of n-butylamine/1,4-diaminobutane (BA/DA). The immobilized lipase activity on the GF membrane increased with the increased BA/DA ratio. This means that lipase activity was exhibited more on the hydrophobic surface. Moreover, the modified PVDF-DA membrane was grafted with GA, epichlorohydrin (EPI) and cyanuric chloride (CC), respectively. The lipase immobilized on the PVDF-DA-EPI membrane displayed the highest specific activity compared to other membranes. This immobilized lipase exhibited more significant stability on pH, thermal, reuse, and storage than did the free enzyme. The results exhibited that the EPI modified PVDF is a promising support for lipase immobilization.
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66
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Demir S, Gök SB, Kahraman MV. α-Amylase immobilization on functionalized nano CaCO3by covalent attachment. STARCH-STARKE 2011. [DOI: 10.1002/star.201100058] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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67
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Zhang Y, Li L, Yu C, Hei T. Chitosan-coated polystyrene microplate for covalent immobilization of enzyme. Anal Bioanal Chem 2011; 401:2311-7. [PMID: 21842444 DOI: 10.1007/s00216-011-5306-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2011] [Revised: 07/24/2011] [Accepted: 08/01/2011] [Indexed: 11/30/2022]
Abstract
Microplates made of polystyrene have been widely used for immunoassays. Protein molecules that have been immobilized on a hydrophobic polystyrene microplate by passive adsorption lose their activity and suffer considerable denaturation. A new chitosan-coated microplate suitable for the covalent immobilization of enzymes has been developed. The primary amino groups of chitosan were exploited for this covalent coupling of proteins. The optical transmittance of the chitosan-coated microplate, at wavelengths of 400-800 nm, was estimated to be suitable for its application in chromogenic reaction-based bioassays. The immobilization efficiency of the chitosan-coated microplate was demonstrated to be far superior to that of a conventional microplate when tested using acetylcholinesterase (AChE) and β-glucosidase as model biomolecules, and the chitosan-coated microplate may thus have potential applications in biosensing and bioreactor systems.
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Affiliation(s)
- Yaodong Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry (Shaanxi Normal University), School of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, China.
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68
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69
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Singh V, Kumar P. Carboxymethyl tamarind gum–silica nanohybrids for effective immobilization of amylase. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.molcatb.2011.02.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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70
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Immobilization of Candida rugosa lipase on magnetic sol–gel composite supports for enzymatic resolution of (R,S)-Naproxen methyl ester. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.molcatb.2010.12.007] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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71
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Organic–inorganic hybrid anion exchange hollow fiber membranes: A novel device for drug delivery. Int J Pharm 2011; 408:39-49. [DOI: 10.1016/j.ijpharm.2011.01.046] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2010] [Revised: 01/19/2011] [Accepted: 01/22/2011] [Indexed: 11/23/2022]
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72
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Che AF, Huang XJ, Xu ZK. Protein adsorption on a glycosylated polyacrylonitrile surface: monitoring with QCM and SPR. Macromol Biosci 2011; 10:955-62. [PMID: 20572269 DOI: 10.1002/mabi.201000002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
A simple and efficient method to fabricate a glycosylated surface on a polyacrylonitrile-based film is described. Construction and protein adsorption processes were monitored in situ using a QCM. A PANCHEMA film was deposited on the gold surface of the quartz crystal, and the glycosylated surface was then constructed through surface modification. Con A and BSA were used as probes to study the specificity of this surface to proteins. It can recognize Con A, while showing no specific interaction with BSA. The binding affinity indicates the presence of strong multivalent interactions between Con A and the glucose residues (cluster glycoside effect). Reproducibility and repeatability of the glycosylated polymer surface are sufficient to allow specific adsorption of Con A.
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Affiliation(s)
- Ai-Fu Che
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
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73
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Rahman NK, Kamaruddin AH, Uzir MH. Enzymatic synthesis of farnesyl laurate in organic solvent: initial water activity, kinetics mechanism, optimization of continuous operation using packed bed reactor and mass transfer studies. Bioprocess Biosyst Eng 2011; 34:687-99. [DOI: 10.1007/s00449-011-0518-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2010] [Accepted: 01/25/2011] [Indexed: 11/28/2022]
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74
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Covalent immobilization of lipase onto amine functionalized polypropylene membrane and its application in green apple flavor (ethyl valerate) synthesis. Process Biochem 2011. [DOI: 10.1016/j.procbio.2010.09.014] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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75
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Preparation and characterization of UV-curable polymeric support for covalent immobilization of xylanase enzyme. ACTA ACUST UNITED AC 2011. [DOI: 10.1016/j.molcatb.2010.10.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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76
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Dai T, Miletić N, Loos K, Elbahri M, Abetz V. Electrospinning of Poly[acrylonitrile-co-
(glycidyl methacrylate)] Nanofibrous Mats for the Immobilization of Candida Antarctica
Lipase B. MACROMOL CHEM PHYS 2010. [DOI: 10.1002/macp.201000536] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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77
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Functionalized electrospun mats from styrene–maleic anhydride copolymers for immobilization of acetylcholinesterase. Eur Polym J 2010. [DOI: 10.1016/j.eurpolymj.2010.08.005] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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78
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Uygun DA, Çorman ME, Öztürk N, Akgöl S, Denizli A. Poly(hydroxyethyl methacrylate-co-methacryloylamidotryptophane) nanospheres and their utilization as affinity adsorbents for porcine pancreas lipase adsorption. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2010. [DOI: 10.1016/j.msec.2010.07.012] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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79
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Immobilization of a Recombinant Esterase from Lactobacillus plantarum on Polypropylene Accurel MP1000. Appl Biochem Biotechnol 2010; 163:304-12. [DOI: 10.1007/s12010-010-9039-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2010] [Accepted: 07/05/2010] [Indexed: 10/19/2022]
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80
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El-Ghaffar MA, Hashem M. Chitosan and its amino acids condensation adducts as reactive natural polymer supports for cellulase immobilization. Carbohydr Polym 2010. [DOI: 10.1016/j.carbpol.2010.02.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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81
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Electrospinning: A fascinating fiber fabrication technique. Biotechnol Adv 2010; 28:325-47. [DOI: 10.1016/j.biotechadv.2010.01.004] [Citation(s) in RCA: 3247] [Impact Index Per Article: 231.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2009] [Revised: 09/17/2009] [Accepted: 01/08/2010] [Indexed: 02/07/2023]
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82
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Optimal synthesis of mesostructured hollow titania nanotubes templated on CaCO3 nanoparticles. POWDER TECHNOL 2010. [DOI: 10.1016/j.powtec.2009.12.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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83
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Huang XJ, Guduru D, Xu ZK, Vienken J, Groth T. Immobilization of heparin on polysulfone surface for selective adsorption of low-density lipoprotein (LDL). Acta Biomater 2010; 6:1099-106. [PMID: 19733266 DOI: 10.1016/j.actbio.2009.08.039] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Revised: 08/11/2009] [Accepted: 08/31/2009] [Indexed: 11/19/2022]
Abstract
A versatile method was developed to immobilize heparin covalently on polysulfone sheets (PSu) to achieve selective adsorption of low-density lipoprotein (LDL). This was achieved by activation of PSu with successive treatments of chlorodimethyl ether and ethylenediamine, and subsequent chemical binding of heparin with bifunctional linker molecules. A heparin density up to 0.86 microg cm(-2) on a dense PSu film was achieved. The modified PSu films were characterized by attenuated total reflectance Fourier transform infrared spectroscopy and X-ray photoelectron spectroscopy. The hydrophilicity of the PSu film was improved greatly by covalent immobilization of heparin. The water contact angle of PSu film was decreased from 86.6 + or - 3.7 degrees to 50.5 + or - 3.2 degrees after binding of 0.36 microg cm(-2) heparin. An enzyme-linked immunosorbent assay was used to measure the binding of LDL on plain and modified PSu films. It was found that the heparin-modified PSu film could selectively recognize LDL from binary protein solutions. Furthermore, it was possible to desorb LDL from heparinized PSu, but not from plain PSu, with heparin, sodium chloride or urea solution, which indicates a selective but reversible binding of LDL to heparin. The results suggest that heparin-modified PSu membranes are promising for application in simultaneous hemodialysis and LDL apheresis therapy.
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Affiliation(s)
- Xiao-Jun Huang
- Biomedical Materials Group, Department of Pharmaceutics and Biopharmaceutics, Institute of Pharmacy, Martin Luther University Halle-Wittenberg, Halle (Saale) 06120, Germany
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84
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Enantioselective hydrolysis of rasemic naproxen methyl ester with sol–gel encapsulated lipase in the presence of sporopollenin. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.molcatb.2009.10.003] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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85
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Polystyrene-based diazonium salt as adhesive: A new approach for enzyme immobilization on polymeric supports. POLYMER 2010. [DOI: 10.1016/j.polymer.2009.12.036] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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86
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Moradzadegan A, Ranaei-Siadat SO, Ebrahim-Habibi A, Barshan-Tashnizi M, Jalili R, Torabi SF, Khajeh K. Immobilization of acetylcholinesterase in nanofibrous PVA/BSA membranes by electrospinning. Eng Life Sci 2010. [DOI: 10.1002/elsc.200900001] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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87
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Horchani H, Chaâbouni M, Gargouri Y, Sayari A. Solvent-free lipase-catalyzed synthesis of long-chain starch esters using microwave heating: Optimization by response surface methodology. Carbohydr Polym 2010. [DOI: 10.1016/j.carbpol.2009.09.003] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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88
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Yarar Ü, Kahraman MV. Covalent immobilization of α-amylase onto UV-curable coating. J Appl Polym Sci 2009. [DOI: 10.1002/app.30442] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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89
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Ye P, Wan RB, Wang XP. Quantitative enzyme immobilization: Control of the carboxyl group density on support surface. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcatb.2009.08.009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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90
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Yilmaz E, Sezgin M, Yilmaz M. Immobilized copper-ion affinity adsorbent based on a cross-linked β-cyclodextrin polymer for adsorption ofCandida rugosalipase. BIOCATAL BIOTRANSFOR 2009. [DOI: 10.3109/10242420903242805] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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91
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Tutar H, Yilmaz E, Pehlivan E, Yilmaz M. Immobilization of Candida rugosa lipase on sporopollenin from Lycopodium clavatum. Int J Biol Macromol 2009; 45:315-20. [PMID: 19583977 DOI: 10.1016/j.ijbiomac.2009.06.014] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 06/27/2009] [Accepted: 06/29/2009] [Indexed: 10/20/2022]
Abstract
Sporopollenin is a natural polymer obtained from Lycopodium clavatum, which is highly stable with constant chemical structure and has high resistant capacity to chemical attack. In this study, immobilization of lipase from Candida rugosa (CRL) on sporopollenin by adsorption method is reported for the first time. Besides this, the enzyme adsorption capacity, activity and thermal stability of immobilized enzyme have also been investigated. It has been observed that under the optimum conditions (Spo-E((0.3))), the specific activity of the immobilized lipase on the sporopollenin by adsorption was 16.3U/mg protein, which is 0.46 times less than that of the free lipase (35.6U/mg protein). The pH and temperature of immobilized enzyme were optimized, which were 6.0 and 40 degrees C respectively. Kinetic parameters V(max) and K(m) were also determined for the immobilized lipase. It was observed that there is an increase of the K(m) value (7.54mM) and a decrease of the V(max) value (145.0U/mg-protein) comparing with that of the free lipase.
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Affiliation(s)
- Havva Tutar
- Department of Chemical Engineering, Selcuk University, Campus, 42031 Konya, Turkey
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92
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Ozmen EY, Sezgin M, Yilmaz M. Synthesis and characterization of cyclodextrin-based polymers as a support for immobilization of Candida rugosa lipase. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcatb.2008.07.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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93
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Yi SS, Noh JM, Lee YS. Amino acid modified chitosan beads: Improved polymer supports for immobilization of lipase from Candida rugosa. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcatb.2008.08.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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94
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Ozmen EY, Yilmaz M. Pretreatment of Candida rugosa lipase with soybean oil before immobilization on β-cyclodextrin-based polymer. Colloids Surf B Biointerfaces 2009; 69:58-62. [DOI: 10.1016/j.colsurfb.2008.10.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2008] [Revised: 07/21/2008] [Accepted: 10/31/2008] [Indexed: 10/21/2022]
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95
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Jang E, Park S, Park S, Lee Y, Kim DN, Kim B, Koh WG. Fabrication of poly(ethylene glycol)-based hydrogels entrapping enzyme-immobilized silica nanoparticles. POLYM ADVAN TECHNOL 2009. [DOI: 10.1002/pat.1455] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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96
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Chaubey A, Parshad R, Gupta P, Taneja SC, Qazi GN, Rajan C, Ponrathnam S. Arthrobacter sp. lipase immobilization for preparation of enantiopure masked β-amino alcohols. Bioorg Med Chem 2009; 17:29-34. [DOI: 10.1016/j.bmc.2008.11.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2008] [Revised: 11/10/2008] [Accepted: 11/11/2008] [Indexed: 10/21/2022]
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97
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Wang X, Dou P, Zhao P, Zhao C, Ding Y, Xu P. Immobilization of lipases onto magnetic Fe(3)O(4) nanoparticles for application in biodiesel production. CHEMSUSCHEM 2009; 2:947-50. [PMID: 19780103 DOI: 10.1002/cssc.200900174] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Affiliation(s)
- Xia Wang
- State Key Laboratory of Microbial Technology, Shandong University, Jinan 250100, PR China
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98
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Berekaa MM, Zaghloul TI, Abdel-Fattah YR, Saeed HM, Sifour M. Production of a novel glycerol-inducible lipase from thermophilic Geobacillus stearothermophilus strain-5. World J Microbiol Biotechnol 2008. [DOI: 10.1007/s11274-008-9891-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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99
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Gabrovska K, Nedelcheva T, Godjevargova T, Stoilova O, Manolova N, Rashkov I. Immobilization of acetylcholinesterase on new modified acrylonitrile copolymer membranes. ACTA ACUST UNITED AC 2008. [DOI: 10.1016/j.molcatb.2008.03.009] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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100
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