Results 21 to 30 of about 5,051,620 (279)

Investigation of Operating Parameters on Ultrasound-Assisted Extraction of Anethole in Fennel Essential Oil

open access: yesJournal of Chemical and Petroleum Engineering, 2021
In this paper, the operational impact of three parameters including power of ultrasonic apparatus, size of fennel seeds and experiment time on the extraction yield of Anethole, which is the main considerable component in fennel essential oil and its ...
Seyed Mohsen Mirdehghan Ashkezari   +4 more
doaj   +1 more source

Solvent Extraction and Separation of Nd, Pr and Dy from Leach Liquor of Waste NdFeB Magnet Using the Nitrate Form of Mextral® 336At in the Presence of Aquo-Complexing Agent EDTA

open access: yesMetals, 2019
Solvent extraction and separation of Pr, Nd and Dy from a synthetic leach solution of spent NdFeB magnet from wind turbines in the presence of aquo-complexing agent Ethylenediaminetetraacetic acid (EDTA) was studied using the nitrate form of Mextral®
Aarti Kumari   +2 more
doaj   +1 more source

Review of ultrasound combinations with hybrid and innovative techniques for extraction and processing of food and natural products

open access: yesUltrasonics Sonochemistry, 2021
Ultrasound has a significant effect on the rate of various processes in food, perfume, cosmetic, pharmaceutical, bio-fuel, materials, or fine chemical industries, despite some shortcomings. Combination with other conventional or innovative techniques can
B. Khadhraoui   +4 more
doaj   +1 more source

Comparison of protein quantification and extraction methods suitable for E-coli cultures [PDF]

open access: yes, 2008
Many different extraction and analysis methods exist to determine the protein fraction of microbial cells. For metabolic engineering purposes it is important to have precise and accurate measurements.
De Mey, Marjan   +5 more
core   +2 more sources

The extract of buddleja officinalis maxim. alleviates UVB-induced oxidative damage via the NRF2 pathway in HaCaT cells

open access: yesPharmaceutical Biology
Context Buddleja officinalis Maxim., a prominent medicinal plant from the Scrophulariaceae family, is extensively distributed throught China, Korea, Vietnam, and Myanmar.
Xu Zhu   +4 more
doaj   +1 more source

THE COMPARISON OF DRAINAGE NETWORK EXTRACTION BETWEEN SQUARE AND HEXAGONAL GRID-BASED DEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2018
The automatic extraction of valleys or ridges from DEM is a long term topic in the GIS and hydrology fields and a number of algorithms have been developed.
L. Wang, T. Ai
doaj   +1 more source

A one dimensional model for the prediction of extraction yields in a two phases modified twin-screw extruder [PDF]

open access: yes, 2002
Solid/liquid extraction is performed on raw plant substrate with a modified twin-screw extruder (TSE) used as a thermo-mecanochemical reactor. Visual observations and experimental residence time distributions (RTD) are used to develop a solid transport ...
Altamore   +9 more
core   +2 more sources

Heavy metal bioavailability and bioaccessibility in soil [PDF]

open access: yes, 2009
This chapter considers the use of a variety of approaches to assess either the bioavailability or the bioaccessibility of metals in soil. The bioavailability of metals from soils is considered with respect to a series of single-extraction methods ...
A.G. Oomen   +8 more
core   +1 more source

Laser microdissection as a new approach to prefertilization genetic diagnosis [PDF]

open access: yes, 2000
The genetic status of oocytes can be determined by polar body (PB) analysis. Following PB extraction, a genetic evaluation is performed. As each PB contains the complementary genetic material of the oocyte, PB analysis reveals information about its ...
Buchholz, Tina   +2 more
core   +1 more source

Screening and Identification of Antioxidative Material Basis from Prinsepia utilis Royle Based on the Spectrum-effect Relationship

open access: yesShipin gongye ke-ji
To investigate the antioxidant chemical constituents of Prinsepia utilis Royle and reveal its pharmacodynamic substance basis. HPLC was used to establish the fingerprints of different batches of Prinsepia utilis Royle extracts (PRE).
Pengyan GUI   +3 more
doaj   +1 more source

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