Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 15 references without a DOI — listed, not checked
no DOI — not checked3) Natarajan, E.; Venkatesh, K. P. Production and characterization of biodiesel using pongamia oil by immobilized Rhizopus oryzae. Adv. Biotech. 11, 32-34 (2012).
no DOI — not checked4) Ding, L.; Yao, Z.; Li, T.; Qui, M.; Yue, Q.; Chai, J. Synthesis of macroporous polymer carrier and immobilization of papain. Iran. Polym. J. 12, 491-495 (2003).
no DOI — not checked5) Sharma, C. K.; Kanwar, S. S. Synthesis of methyl cinnamate using immobilized lipase from Bacillus lichenoformis MTCC 10498. Res. J. Recent Sc. 3, 68-71 (2012).
no DOI — not checked6) Soares, C. M. F.; Santana, M. H. A.; Zanin, G. M.; Castro, H. F. D. Covalent coupling method for lipase immobilization on controlled pore silica in the presence of nonenzymatic proteins. Biotechnol. Prog. 19, 803-807 (2003).
no DOI — not checked7) Sonnet, P. E.; Neill, G. P. M.; Jun, W. Lipase of Geotrichum candidum immobilized on silica gel. J. Am. Chem. Soc. 71, 1421-1423 (1994).
no DOI — not checked11) Cestari, A. R.; Vieira, E. F. S.; Simoni, J. A.; Airoldi, C. Thermochemical investigation on the adsorption of some divalent cations on modified silica obtained from sol-gel process. Thermochim. Acta 348, 21-25 (2000).
no DOI — not checked12) Lee, D. H.; Park, C. H.; Yeo, J. M.; Kim, S. W. Lipase immobilization on silica gel using a cross-linking method. J. Ind. Eng. Chem. 12, 777-782 (2006).
no DOI — not checked14) Lowry, O. H.; Rosebrough, N. J.; Farr, A. L.; Randall, R. J. Protein measurement with folin phenol reagent. J. Biol. Chem. 193, 265-275 (1951).
no DOI — not checked15) Zaiden, U. H.; Rahman, M. B. A.; Othman, S. S.; basri, M.; Abdulmalek, E. K.; Rahman, R. N. Z. R. A.; Salleh, A. B. Kinetic behaviour of free lipase and mica based immobilized lipase catalysing the synthesis of sugar esters. Biosci. Biotechnol. Biochem. 75, 1446-1450 (2011).
no DOI — not checked17) Kumar, S; Ola, R. P.; Pahujaini, S.; Kaushal, R.; Kanwar, S. S.; Gupta, R. Thermo-stability and esterification studies of a polyethylene- immobilized lipase from Bacillus coagulans BTS-3. J. Appl. Polym. Sci. 105, 3986-3993 (2006).
no DOI — not checked24) Goncalves, A. P. V.; Lopes, J. M.; Lemos, F.; Ribeiro, F. R.; Prazeres, D. M. F.; Chabral, J. M. S.; Aires-Barros, M. R. Effect of the immobilization supports on the hydrolytic activity of a cutinase from Fusarium solanipisi. Enz. Microb. Technol. 20, 93-101 (1997).
no DOI — not checked25) Kanwar, S. S.; Srivastva, M.; Ghazi, I. A.; Chimni, S. S.; Kaushal, R. K.; Joshi, G. K. Properties of an immobilized lipase of Bacillus coagulans BTS-1. Acta. Microbiol. et. Immunol. Hungarica. 51, 57-73 (2004).
no DOI — not checked26) Gupta, R.; Saroop, J.; Jain, S. Effect of cultural and assay conditions on cell bound lipase from a bacterial isolate SJ-15. Asian J. Microbiol. Biotechnol. Env. Sc. 6, 479-482 (2004).
no DOI — not checked29) Carvalho, N. B.; Murillo, J.; Barbosa, J. M. P.; Oliveira, M. V. S.; Fricks, A. T.; Soares, A. S. L. C. M. F. Biochemical properties of Bacillus sp. ITP-001 Lipase immobilized with sol gel process. Quim. Nova. 36, 52-58 (2013).
no DOI — not checked32) Knezevic, C.; Milosavic, N.; Bezbradica, D.; Jakovljevic, Z.; Prodanovic, R. Immobilization of lipase from Candida rugosa on eupergit C supports by covalent attachment. Biochem. Bioeng. J. 30, 269-278 (2006).
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