Results 31 to 40 of about 759,357 (305)

Very large fractional factorial and central composite designs

open access: yesACM Transactions on Modeling and Computer Simulation, 2005
We present a concise representation of fractional factorials and an algorithm to quickly generate resolution V designs. The description is based on properties of a complete, orthogonal discrete-valued basis set called Walsh functions. We tabulate two-level resolution V fractional factorial designs, as well as central composite designs allowing ...
Sanchez, S.M., Sanchez, P.J.
openaire   +3 more sources

Optimisation of Vitamin B12 Extraction from Green Edible Seaweed (Ulva lactuca) by Applying the Central Composite Design

open access: yesMolecules, 2022
Vitamin B12, only found naturally in animal-based foods, is essential for brain functions and various chemical reactions in the human body. Insufficient vitamin B12 leads to vitamin B12 deficiency, common among strict vegetarians due to their limited ...
Deny Susanti   +6 more
doaj   +1 more source

OPTIMISATION OF Bacillus amyloliquefaciens FE-K1 EXTRACELLULAR PEPTIDASE PRODUCTION BY RESPONSE SURFACE METHODOLOGY

open access: yesTrakya University Journal of Natural Sciences, 2018
In this study, it was aimed to optimise the extracellular peptidase production of Bacillus amyloliquefaciens FE-K1, previously isolated from ropy wholemeal bread, by using response surface methodology (RSM) based on central composite design (CCD).
Fundagül EREM   +2 more
doaj   +5 more sources

Nanoformulation Development to Improve the Biopharmaceutical Properties of Fisetin Using Design of Experiment Approach

open access: yesMolecules, 2021
This study aimed to design an effective nanoparticle-based carrier for the oral delivery of fisetin (FST) with improved biopharmaceutical properties. FST-loaded nanoparticles were prepared with polyvinyl alcohol (PVA) and poly(lactic-co-glycolic acid ...
Wan-Yi Liu   +3 more
doaj   +1 more source

Reaction rate of a composite core-shell nanoreactor with multiple, spatially distributed embedded nano-catalysts [PDF]

open access: yes, 2016
We present a detailed theory for the total reaction rate constant of a composite core-shell nanoreactor, consisting of a central solid core surrounded by a hydrogel layer of variable thickness, where a given number of small catalytic nanoparticles are ...
Angioletti-Uberti, Stefano   +5 more
core   +5 more sources

Development of Effervescent-assisted Liquid Phase Microextraction using 1-dodecanol for Determination of Ketoprofen Drug in Water

open access: yesASM Science Journal, 2020
A rapid and straightforward method based on effervescent-assisted dispersive liquid-liquid microextraction combined with high-performance liquid chromatography-ultraviolet (HPLC-UV) detection for preconcentration of ketoprofen in water samples was ...
Wan Mohd Afiq Wan Mohd Khalik
doaj   +1 more source

Optimization of Carotenoids Production from Rhodotorula sp. Strain ATL72 for Enhancing Its Biotechnological Applications

open access: yesJournal of Fungi, 2022
Rhodotorula yeasts which are known as carotenogenic yeasts have a great industrial value due to their ability to produce carotenoids. In particular, the isolated yeast Rhodotorula sp.
Amira Dyaa   +7 more
doaj   +1 more source

Modeling of acetosolv pulping of oil palm fronds using response surface methodology and wavelet neural networks [PDF]

open access: yes, 2019
Mathematical models based on response surface methodology (RSM) and wavelet neural networks (WNNs) in conjunction with a central composite design were developed in order to study the influence of pulping variables viz. acetic acid, temperature, time, and
Ibrahim, Mazlan   +4 more
core   +1 more source

Optimised production and extraction of astaxanthin from the yeast Xanthophyllomyces dendrorhous [PDF]

open access: yes, 2020
Currently, astaxanthin demand is fulfilled by chemical synthesis using petroleum-based feedstocks. As such, alternative pathways of natural astaxanthin production attracts much research interest.
Charalampopoulos, Dimitris   +3 more
core   +1 more source

Electrocoagulation Process Application in Bilge Water Treatment Using Response Surface Methodology

open access: yesInternational Journal of Electrochemical Science, 2014
Marine pollution problems have been noted in increasing manner depending on the increment in sea transportation every succeeding day. Bilge water can be count as one of the main pollution source, which contains petroleum, oil and hydrocarbons in high ...
Kubra Ulucan   +3 more
doaj   +1 more source

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