نتایج جستجو برای: box behnken design

تعداد نتایج: 1036670  

2016
Jin Li Hongyu Chai Yang Li Xuyu Chai Yan Zhao Yunfan Zhao Tao Tao Xiaoqiang Xiang

BACKGROUND Amoxicillin is a commonly used antibiotic which has a short half-life in human. The frequent administration of amoxicillin is often required to keep the plasma drug level in an effective range. The short dosing interval of amoxicillin could also cause some side effects and drug resistance, and impair its therapeutic efficacy and patients' compliance. Therefore, a three-pulse release ...

Ahmad Ghozatloo Ali Morad Rashidi, Mojtaba Shariaty Niassar2 Zeynab Hajjar

This paper discusses the use of Box Behnken design (BBD) approach to plan the experiments for turning the yield of CVD, thickness and layer number of graphene sheets with an overall objective of optimizing the process to provide higher graphene production volume, fewer layers and thinness structure of graphene. BBD is having the maximum efficiency for an experiment involving four factors such a...

The aim of this study was to prepare orally disintegrating tablets (ODTs) containingdexamethasone (DEX) by direct compression method with sufficient hardness and rapiddisintegration time. In order to save time, money, and human resources in designing andimprovement of formulation, the statistical software Design Expert is used. Box–Behnkenresponse surface methodology was applied to evaluate and...

Bahare Pasandide Faramarz khodaiyan, Seyed Saeid Hosseini, Zeinab Mousavi

Microwave assisted extraction technique was employed to extract pectin from citron peel. Box-Behnken design was applied to investigate the influence of irradiation time, microwave power and pH on the yield and DE of pectin. The finding indicated that the optimal conditions for the maximum yield of pectin (30.71%) were achieved at irradiation time of 3 min, microwave power of 700 W and pH of 1.5...

Journal: :Journal of biotechnology 2011
Zhenyu Wang Jennifer Li Samantha Cheong Ujjwal Bhaskar Onishi Akihiro Fuming Zhang Jonathan S Dordick Robert J Linhardt

The chemical step in the chemoenzymatic synthesis of bioengineered heparin has been examined and optimized statistically using a response surface methodology. A four factor, two level full factorial design experiment and a three factor Box-Behnken design were carried out. The goal was to establish a method to prepare N-sulfo, N-acetyl heparosan of the desired N-acetyl content, number average mo...

A thermosyphon is an efficient heat transfer device, which transports heat using gravity for the evaporation and condensation of the working fluid. In the present study the Box-Benhnken (BBD) design approach was chosen for the Two-Phase Closed Thermosyphon (TPCT) with CeO2 nanofluid using 0.1% volume of Nanofluid with surfactant of ethylene glycol. The experiment resulted in identifying the opt...

Journal: :Asian journal of physical and chemical sciences 2022

In this study, Box-Behnken”s Response Surface Methodology (RSM) was applied to study the esterification reaction effectiveness of acid activated Ngbo clay catalyst. The were monitored based on process conditions temperature, duration, amount reactant, catalyst weight and particle size. Box--Behnken’s indicates that clay-catalysed reactions proceed through dual mechanisms Acid-complex Alcohol-co...

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