F. Hildebrand and S. Lutz, (2006) Immobilization of alcohol dehydrogenase from Lactobacillus brevis and its application in a plugflow reactor. Tetrahedron Asymme-try, 17, 3219-3225.
C. Mateo, O. Abian, L. R. Fernandez, and J. M. Guisan, (2000) Increase in conformational stability of enzymes immobilized on epoxy-activated supports by favoring additional multipoint covalent attachment. Enzyme Mi-crob. Technol., 26, 509–515.
R. Schoevaart, M. W. Wolbers, M. Golubovic et al., (2004) Preparation, optimization and structures of cross-linked enzyme aggregates (CLEAs). Biotechnol. Bioeng., 87, 754-762.
R. A. Sheldon, R. Schoevaart, and L. M. Van Langen, (2005) Cross-linked enzyme aggregates (CLEAs): A novel and versatile method for enzyme immobilization. Biocatal. Biotransform., 23, 141-147.
A. C. Pierre, (2004)The sol-gel encapsulation of enzymes. Biocatal. Biotransform., 22, 145-170.
L. Veum, U. Hanefeld, and A. Pierre, (2004) The first encapsulation of hydroxynitrile lyase from Hevea brasil-iensis in a sol-gel matrix. Tetrahedron, 60, 10419-10425.
X. S. Cheng and X. L. Liu, (2006) Separation of lignin from cornstalks residue by enzymatic hydrolysis and its properties. Morden Chemical Industry, Supplement, 26, 99-102.
X. H. Zhang, X. S. Cheng, and J. Tang. (2006) Adsorp-tion of bromelain with HBS lignin and its derivatives. The Chinese Journal of Process Engineering, 6, 87-90.
Y. Q. Jin and X. S. Cheng, (2006) Study on the adsorp-tion of endotoxin by HBS lignin and its derivatives. Journal of Xi’an University of Engineering Science and Technology, 20, 723-726.
M. J. Li and X. S. Cheng, (2004) Research on the ad-sorption of endotoxin by lignophenol. Journal of Cellu-lose Science and Technology, 12, 1-6.
Y. X. Luo, (2000) Studies on the determination of enzy-matic active for papain. Chinese Pharmaceutical Journal, 35, 556-558.
R. Fang, X. S. Cheng., J. Fu., and Z. B. Zheng, (2009) Research on the graft copolymerization of EH-lignin with acrylamide. Natural Science, 1, 17-22.
S. Solis, J. Paniagua, J. C. Mart?nez, and M. Asomoza, (2006) Immobilization of papain on mesoporous silica: pH effect. J. Sol-Gel Sci. Technol., 37, 125-127.
L. Qiao and Y. Liu, (2008) A nanoporous reactor for effi-cient proteolysis. Chem. Eur. J., 14, 151-157.
M. Casas1 and J. Mi?ones1, (1992) Effect of polymer-ized silicic acid on mixed lipid-protein monolayers used as cell-membrane models II pepsin-sphingomyelin films. Colloid. Polym. Sci., 270, 485-491.
S. Dumitriu, P. Magny, D. Montane, P. F. Vidal, and E. Chornet, (1994) Polyionic hydrogels obtained by com-plexation between xanthan and chitosan: their properties as supports for enzyme immobilization. J. Bioact. Com-pat. Polym., 9, 184-209.
N. Dizge, C. Aydiner, E. Demirbas, M. Kobya, and S. Kara, (2008) Adsorption of reactive dyes from aqueous solutions by fly ash: Kinetic and equilibrium studies. J. Hazard. Mater., 150, 737–746.
B. Al-Duri and Y. P. Yong, (2000) Lipase immobilisation: An equilibrium study of lipases immobilised on hydro-phobic and hydrophilic/hydrophobic supports. Biochem. Eng. J., 4, 207–215.
P. Kauper, (2004) From production to product Part 1: Solution states of alkaline bagasse lignin solution. Indus-trial Crops and Products, 20, 151-157.