Biosorption effects of copper ions on Candida utilis under negative pressure cavitation

Zu, Yuangang; Zhao, Xiuhua; Hu, Mao-sheng; Ren, Yuan; Xiao, Pei; Zhu, Lei; Cao, Yujie; Zhang, Yao

doi:10.1016/s1001-0742(06)60071-5

Cited by 21 publications

(6 citation statements)

References 13 publications

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“…are the initial and final Cu concentrations of the MSM ferment, respectively, V represents the volume of the sample, and M represents the dry weight of yeast separated by centrifuge from the sample (Zu, Zhao, & Hu, 2006).…”

Section: Determination Of the Copper Removal Ratio (G) And Copper Adsmentioning

confidence: 99%

“…After 30 min, the excess dye solutions were washed away and the slides were incubated for 30 min with HBSS buffer solution. The microscope slide was placed under an LSCM (Leica TCS SP5, Leica, Germany), the lamp-house wavelength was adjusted to 488 nm, and the fluorescence intensity was measured at 505 nm (Shingles, Wimmers, & McCarty, 2004;Zu et al, 2006).…”

Section: Determination Of Extracellular and Intracellular Copper Posimentioning

confidence: 99%

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Effect of copper stress on growth characteristics and fermentation properties of Saccharomyces cerevisiae and the pathway of copper adsorption during wine fermentation

et al. 2016

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Section: Determination Of the Copper Removal Ratio (G) And Copper Adsmentioning

confidence: 99%

Section: Determination Of Extracellular and Intracellular Copper Posimentioning

confidence: 99%

Effect of copper stress on growth characteristics and fermentation properties of Saccharomyces cerevisiae and the pathway of copper adsorption during wine fermentation

et al. 2016

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“…But these metals accumulate in living tissues. Copper is widely being used in industrial applications, but its removal and recovery from wastewater is necessary for protection of the environment as well as human health [1][2][3]. Several methods, such as chemical precipitation, coagulation, electrochemical treatment, membrane separation, solvent extraction, and ion exchange are available for the treatment of metal-bearing effluents and were applied to reduce the copper concentration of wastewater [4][5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Fermented Corn Stalk for Biosorption of Copper(II) from Aqueous Solution

Ren

Shahzad

Zhang

et al. 2018

Advances in Materials Science and Engineering

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Corn stalk is the amplest and inexpensive organic material in Heilongjiang province, China. This resource is vicious, causing pollution of the environment. In this present study, an adsorbent is prepared by corn stalk fermentation with Aspergillus niger. The fermentative effects of water content ratio, initial pH medium, temperature, and time were addressed. The analysis of factors and orthogonal experiments revealed that the optimum conditions of producing cellulose were solid-liquid ratio of 1 : 5, temperature 28°C, initial pH, and 72 hours. The modification mechanism was investigated by using Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The biosorption capacity of fermented corn stalk was better than that of raw corn stalk under identical conditions, and this improvement can be ascribed to the enzyme system secretion by A. niger under changing the surface properties of the raw corn stalk. Some of the hydroxyl and carboxyl groups are bounded by cellulose which became free hydroxyl and carboxyl groups with a high ability after adsorption of heavy metals.

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“…Candida utilis is widely used in bioindustry, such as biochemical product production (Liang et al 2009;Tamakawa et al 2012), enzyme production (Yokoyama et al 1988;Sengupta et al 2011), and waste water treatments (Elmaleh et al 1999;Zu et al 2006) and so on. Therefore, its production in an economic way is important for the applications above mentioned.…”

Section: Introductionmentioning

confidence: 99%

Analysis of batch and repeated fedbatch productions of Candida utilis cell mass using mathematical modeling method

Lin

Guoli

Lin

et al. 2013

Electron. J. Biotechnol.

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Background: Candida utilis is widely used in bioindustry, and its cell mass needs to be produced in a cost effective way. Process optimization based on the experimental results is the major way to reduce the production cost. However, this process is expensive, time consuming and labor intensive. Mathematical modeling is a useful tool for process analysis and optimization. Furthermore, sufficient information can be obtained with fewer experiments by using the mathematical modeling, and some results can be predicted even without doing experiments. Results: In the present study, we performed the mathematical modeling and simulation for the cell mass production of Candida utilis based on limited batch and repeated fedbatch experiments. The model parameters were optimized using genetic algorithm (GA), and the processes were analyzed. Conclusions: Taken together, this newly developed method is efficient, labor saving and cost effective.

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Biosorption effects of copper ions on Candida utilis under negative pressure cavitation

Cited by 21 publications

References 13 publications

Effect of copper stress on growth characteristics and fermentation properties of Saccharomyces cerevisiae and the pathway of copper adsorption during wine fermentation

Effect of copper stress on growth characteristics and fermentation properties of Saccharomyces cerevisiae and the pathway of copper adsorption during wine fermentation

Fermented Corn Stalk for Biosorption of Copper(II) from Aqueous Solution

Analysis of batch and repeated fedbatch productions of Candida utilis cell mass using mathematical modeling method

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