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Optimal immobilization of β-glucosidase into chitosan beads using response surface methodology Electron. J. Biotechnol.
Zhou,Ying; Wang,Lufeng; Wu,Ting; Tang,Xixuan; Pan,Siyi.
Background: β-Glucosidase is known as an effective catalyst for the hydrolysis of various glycosides and immobilization is one of the most efficient strategies to improve its activity recovery and properties. Results: Crosslinking-adsorption-crosslinking method was employed to immobilize β-glucosidase into chitosan beads and response surface methodology (RSM) was used to optimize the immobilized conditions of the maximum activity recovery. Enzyme concentration and adsorption time were found to be significant influence factors, and the maximum activity recovery (50.75%) obtained from response surface methodology was in excellent agreement with experimental value (50.81%). Furthermore, various characteristics of immobilized...
Tipo: Journal article Palavras-chave: β -glucosidase characters chitosan beads immobilization response surface methodology.
Ano: 2013 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582013000600006
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Spider venom peptides as potential drug candidates due to their anticancer and antinociceptive activities J. Venom. Anim. Toxins incl. Trop. Dis.
Wu,Ting; Wang,Meng; Wu,Wenfang; Luo,Qianxuan; Jiang,Liping; Tao,Huai; Deng,Meichun.
Abstract Spider venoms are known to contain proteins and polypeptides that perform various functions including antimicrobial, neurotoxic, analgesic, cytotoxic, necrotic, and hemagglutinic activities. Currently, several classes of natural molecules from spider venoms are potential sources of chemotherapeutics against tumor cells. Some of the spider peptide toxins produce lethal effects on tumor cells by regulating the cell cycle, activating caspase pathway or inactivating mitochondria. Some of them also target the various types of ion channels (including voltage-gated calcium channels, voltage-gated sodium channels, and acid-sensing ion channels) among other pain-related targets. Herein we review the structure and pharmacology of spider-venom peptides that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Spider venom peptides; Antitumor; Pain; Drug candidates.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1678-91992019000100203
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