scholarly journals Optimization of Green Technique Develop for Europium (III) Extraction by using Phosphonium Ionic Liquid and Central Composite Design Approach

2021 ◽  
Vol 34 (1) ◽  
Keyword(s):  
Ionic Liquid ◽  
Central Composite Design ◽  
Design Approach ◽  
Phosphonium Ionic Liquid ◽  
Green Technique ◽  
Central Composite

scholarly journals Carbon dots as absorbance promoter probes for detection of Cu(ii) ions in aqueous solution: central composite design approach

2018 ◽  
Vol 17 (2) ◽  
pp. 245-255 ◽  
Author(s):  
S. A. R. Shahamirifard ◽  
M. Ghaedi ◽  
M. Montazerozohori ◽  
A. Masoudiasl
Keyword(s):  
Aqueous Solution ◽  
Central Composite Design ◽  
Carbon Dots ◽  
Design Approach ◽  
Complexing Agent ◽  
Vis Spectroscopy ◽  
First Time ◽  
Central Composite ◽  
Determination Of Copper

In this work, the use of carbon dots (CDs) as a complexing agent and sensitizer in a polymeric matrix for determination of copper(ii) by UV-vis spectroscopy is reported for the first time.

Biodiesel production from waste cooking oil using onsite produced purified lipase from Pseudomonas aeruginosa FW_SH-1: Central composite design approach

2017 ◽  
Vol 109 ◽  
pp. 93-100 ◽  
Author(s):  
Chaudhry Haider Ali ◽  
Abdul Sattar Qureshi ◽  
Serge Maurice Mbadinga ◽  
Jin-Feng Liu ◽  
Shi-Zhong Yang ◽  
...  
Keyword(s):  
Pseudomonas Aeruginosa ◽  
Central Composite Design ◽  
Waste Cooking Oil ◽  
Biodiesel Production ◽  
Design Approach ◽  
Cooking Oil ◽  
Central Composite

scholarly journals Application of central composite design approach for optimization nitrate removal from aqueous solution by immobilized Pseudomonas putida

2021 ◽  
Author(s):  
Marwa E. El-Sesy ◽  
Sabah S. Ibrahim
Keyword(s):  
Central Composite Design ◽  
Pseudomonas Putida ◽  
Sodium Alginate ◽  
Nitrate Concentration ◽  
Nitrate Removal ◽  
Design Approach ◽  
P Value ◽  
16S Rrna Analysis ◽  
Alginate Concentration ◽  
Central Composite

Abstract High Nitrate concentration represented as one dangerous pollutant in the environment. Immobilization for the best denitrifying bacterial strain isolated from collected wastewater samples was suggested for bioremediation excessive nitrate concentration from aqueous solutions and explored its denitrification activity under different factors as (pH, nitrate concentration, bacterial beads, Temp and sodium alginate concentration). The active isolate was identified as Pseudomonas putida MT364822.1 by 16S rRNA analysis. Nitrate bioremediation process was optimized by apply response surface method based on central composite design approach. Nitrate uptake was significantly affected by variables of study (p-value <0.05). Maximum removal of nitrate 91.1% was obtained from pH 7, nitrate concentration 400 mg/L, immobilized bacterial beads 3.0 g/L, Temp 35 °C and sodium alginate concentration 2.5% as optimal variable values. For application, immobilized Pseudomonas putida MT364822.1 removed nitrate with 82.2% from raw fish farm effluent. Storage and reusability experiments showed the strength and stability of immobilized strain more than pure. The results suggested that, immobilized Pseudomonas putida MT364822.1 is a highly promising and suitable microorganism to be used in bio-removal of nitrate and central composite design was more effective in optimization variables to obtain the highest nitrate removal efficiency.

Development and validation of RP-UPLC method for the determination of betamethasone dipropionate impurities in topical formulations using multivariate central composite design approach.

2021 ◽  
Author(s):  
Siva Krishna Muchakayala ◽  
Kommera Pavithra ◽  
Naresh Kumar Katari ◽  
Vishnu Murthy Marisetti ◽  
THIRUPATHI DONGALA ◽  
...  
Keyword(s):  
Central Composite Design ◽  
Method Development ◽  
Betamethasone Dipropionate ◽  
Design Approach ◽  
Topical Formulations ◽  
Development And Validation ◽  
Central Composite ◽  
Determination Of Impurities

Current study portrays a specific, accurate, simple and rapid UPLC method development for the determination of impurities present in two different topical formulations (Cream and Ointment) of betamethasone dipropionate. The...

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