Results 31 to 40 of about 11,735,145 (343)

Optimisation of pressurized liquid extraction using a multivariate chemometric approach for the determination of anticancer drugs in sludge by ultra high performance liquid chromatography–tandem mass spectrometry [PDF]

open access: yes, 2013
The present paper describes an analytical method for the determination of 2 widely administered anticancer drugs, ifosfamide and cyclophosphamide, contained in sewage sludge. The method relies on the extraction from the solid matrix by pressurized liquid
Albasi, Claire   +5 more
core   +4 more sources

Optimization of extraction conditions of antioxidant activity from zingiber zerumbet oleoresin [PDF]

open access: yes, 2011
The health promoting capacity of natural antioxidant from phytochemicals has increase attention from researchers and public. However, processing is affecting the activity and the bioavailability of bioactive compounds.
Abdul Aziz, Ramlan   +4 more
core   +1 more source

Compact silicon photonics circuit to extract multiple parameters for process control monitoring [PDF]

open access: yes, 2020
We present a compact interferometer circuit to extract multiple model parameters of on-chip waveguides and directional couplers from optical measurements.
Bogaerts, Wim   +5 more
core   +2 more sources

The effect of ultrasound pretreatment on some selected physicochemical properties of black cumin (Nigella Sativa) [PDF]

open access: yes, 2018
Background In the present study, the effects of ultrasound pretreatment parameters including irradiation time and power on the quantity of the extracted phenolic compounds quantity as well as on some selected physicochemical properties ...
A Jiménez   +42 more
core   +1 more source

Critical review of supercritical carbon dioxide extraction of selected oil seeds [PDF]

open access: yesActa Periodica Technologica, 2010
Supercritical carbon dioxide extraction, as a relatively new separation technique, can be used as a very efficient process in the production of essential oils and oleoresins from many of plant materials.
Sovilj Milan N.
doaj   +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

Cloud point extraction of phenol and benzyl alcohol from aqueous stream [PDF]

open access: yes, 2006
Two-aqueous phase extraction of phenol and benzyl alcohol as a solute from their aqueous solutions was investigated using polyethoxylated alcohols (CiEj) as a biodegradable non-ionic surfactant.
Canselier, Jean-Paul   +2 more
core   +2 more sources

The Optical Potential on the Lattice [PDF]

open access: yes, 2016
The extraction of hadron-hadron scattering parameters from lattice data by using the L\"uscher approach becomes increasingly complicated in the presence of inelastic channels.
Agadjanov, Dimitri   +4 more
core   +2 more sources

Influence of Extraction Conditions on Ultrasound-Assisted Recovery of Bioactive Phenolics from Blueberry Pomace and Their Antioxidant Activity

open access: yesMolecules, 2018
The increase in diet-related chronic diseases has prompted the search for health-promoting compounds and methods to ensure their quality. Blueberry pomace is a rich yet underutilized source of bioactive polyphenols.
Bio Sigui Bruno Bamba   +5 more
doaj   +1 more source

Black Widow Optimization Algorithm Used to Extract the Parameters of Photovoltaic Cells and Panels

open access: yesMathematics, 2023
The metaheuristic algorithms and their hybridization have been utilized successfully in the past to extract the parameters of photovoltaic (PV) cells and panels. The novelty of the paper consists of proposing the black widow optimization algorithm (BWOA)
Manoharan Madhiarasan   +2 more
doaj   +1 more source

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