Conversion of squid pens to chitosanases and dye adsorbents via Bacillus cereus

淡江大學機構典藏 > 理學院 > 化學學系暨研究所 > 期刊論文 > Item 987654321/112852

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題名:	Conversion of squid pens to chitosanases and dye adsorbents via Bacillus cereus
作者:	San-Lang Wang;Hao-Ting Yu;Min-Hsiung Tsai;Chien Thang Doan;Van Bon Nguyen;Van Chung Do;Anh Dzung Nguyen
關鍵詞:	Chitosanase;Chitin;Adsorbent;Colorant;Dye;Squid pens;Bacillus cereus
日期:	2018-02
上傳時間:	2018-03-02 12:14:54 (UTC+8)
出版者:	Springer
摘要:	The purpose of this study was to reclaim squid pens for the production of chitosanases and biosorbents of food colorants and industrial dyes via Bacillus cereus fermentation. B. cereus TKU044 produced chitosanases at a high productivity of 2.66 U/mL, when squid pens were used as the sole carbon and nitrogen source. An extracellular chitosanase, with a molecular weight of 43 kDa, was purified 286-fold with a 16% activity yield. TKU044 and five other chitosanaseproducing strains of B. cereus have been used as biosorbents to investigate their adsorption capacity on 0.025% (w/v) of colorants and dyes. For colorants, only Red 7 was adsorbed by the five B. cereus cells, whereas all tested B. cereus strains showed adsorption effects with the dyes. The adsorption of Yellow 4 by squid pens before and after 1 day of fermentation by B. cereus was also studied.
關聯:	Research on Chemical Intermediates 44(8), pp.4903-4911
DOI:	10.1007/s11164-018-3343-y
顯示於類別:	[化學學系暨研究所] 期刊論文

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