Chitin extraction from shrimp wastes by single step fermentation with Lactobacillus acidophilus FTDC3871 using response surface methodology

2020 ◽  
Vol 44 (11) ◽  
Author(s):  
Joo Shun Tan ◽  
Sahar Abbasiliasi ◽  
Chee Keong Lee ◽  
Pongsathon Phapugrangkul
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Lactobacillus Acidophilus ◽  
Single Step ◽  
Chitin Extraction ◽  
Shrimp Wastes

Optimization of chitin extraction from shrimp waste with Bacillus pumilus A1 using response surface methodology

2013 ◽  
Vol 61 ◽  
pp. 243-250 ◽  
Author(s):  
Olfa Ghorbel-Bellaaj ◽  
Sawssen Hajji ◽  
Islem Younes ◽  
Moncef Chaabouni ◽  
Moncef Nasri ◽  
...  
Keyword(s):  
Response Surface Methodology ◽  
Response Surface ◽  
Bacillus Pumilus ◽  
Shrimp Waste ◽  
Chitin Extraction

OPTIMIZATION OF CHEMICAL PRETREATMENT FOR REMOVING COBALT ON TUNGSTEN CARBIDE SUBSTRATE USING RESPONSE SURFACE METHODOLOGY

2016 ◽  
Vol 78 (5-10) ◽  
Author(s):  
A. Shah ◽  
S. Izman ◽  
M. A. Hassan ◽  
Ramlee Mustaphaa
Keyword(s):  
Response Surface Methodology ◽  
Tungsten Carbide ◽  
Response Surface ◽  
Cutting Tools ◽  
Cobalt Content ◽  
Single Step ◽  
Diamond Coating ◽  
Cobalt Removal ◽  
Full Factorial ◽  
Temperature Time

Diamond coating are commonly used in industries especially for application such as cutting tools, biomedical components, optical lenses, microelectronics, engineering, and thermal management systems. The diamond coating quality is strongly depending on substrate preparation prior to diamond coating. Thus, the several process parameters must be studied to obtain optimal parameters which lead high quality diamond coating. In this present work, an attempt was made to optimize pretreatment parameters namely temperature and time on cobalt removal of tungsten carbide. Full factorial experimental designs followed by Response Surface Methodology (RSM) were employed in this study to plan and analyze the experiment. The cobalt removal was the independent response variables. Empirical model was successfully developed to predict amount of cobalt removal on the substrate after single step etching process. Experimental results have shown that the temperature, time and time2 are found to be the most significant factors for cobalt removal. Whereas for interaction of time and temperature were insignificant factors to influence cobalt removal. According to this study, the minimum cobalt content can be obtained at working temperature from 48 to 50C for 3 minute.

scholarly journals Plackett-Burman matrix and response surface methodology-central composite design for optimization of Lactobacillus Acidophilus biomass production

2014 ◽  
Vol 17 (2) ◽  
pp. 60-72
Author(s):  
Huong Huynh Lien Ly ◽  
Huong Thuy Nguyen
Keyword(s):  
Response Surface Methodology ◽  
Central Composite Design ◽  
Response Surface ◽  
Biomass Production ◽  
Lactobacillus Acidophilus ◽  
Initial Density ◽  
Optimization Theory ◽  
Similar Proportion ◽  
Maximum Value ◽  
Central Composite

Biomass of Lactobacillus acidophilus was optimized in the tofu wastewater medium by Plackett-Burman matrix and Response surface methodology – Central composite design (RSM-CCD). The highest biomass was 0.73 g/100mL at 106 CFU/mL of initial density of L. acidophilus in tofu wastewater medium, with 0.37% (NH4)2SO4 and 17.59% sucrose. L. acidophilus produced maximum value of biomass after 20 hours of incubation at 37°C. There was a similar proportion at 96.05% in comparison to experimental value and optimization theory, approximatly 93.58% L. acidophilus biomass in MRS medium. As a result, optimization model could be applied in biomass production of L. acidophilus to enhance comercial value and contribute to environmental protection.

Sign in / Sign up

Export Citation Format

Share Document