Results 31 to 40 of about 3,783,709 (297)

Chemical Composition, Biomolecular Analysis, and Nuclear Magnetic Resonance Spectroscopic Fingerprinting of Posidonia oceanica and Ascophyllum nodosum Extracts

open access: yesMetabolites, 2023
A detailed analysis of the elemental and molecular composition of Posidonia oceanica (PO) and Ascophyllum nodosum (AN) is presented. In particular, an in-depth study of the molecular identification via NMR spectroscopy of aqueous and organic extracts of ...
Angelica Bruno   +5 more
doaj   +1 more source

Exploring the Benefits of Phycocyanin: From Spirulina Cultivation to Its Widespread Applications

open access: yesPharmaceuticals, 2023
Large-scale production of microalgae and their bioactive compounds has steadily increased in response to global demand for natural compounds. Spirulina, in particular, has been used due to its high nutritional value, especially its high protein content ...
Raquel Fernandes   +7 more
doaj   +1 more source

A New HPLC-MS/MS Method for the Simultaneous Determination of Quercetin and Its Derivatives in Green Coffee Beans

open access: yesFoods, 2022
Green coffee (Coffee arabica and Coffee robusta) is one of the most commonly traded goods globally. Their beans are enriched with polyphenols and numerous health benefits are associated with their consumption.
Ahmed M. Mustafa   +9 more
doaj   +1 more source

A new kernel method for hyperspectral image feature extraction [PDF]

open access: yes, 2017
Hyperspectral image provides abundant spectral information for remote discrimination of subtle differences in ground covers. However, the increasing spectral dimensions, as well as the information redundancy, make the analysis and interpretation of ...
Gao, Lianru   +3 more
core   +1 more source

Comparing Viral Metagenomic Extraction Methods [PDF]

open access: yesCurrent Issues in Molecular Biology, 2017
A crucial step in the molecular detection of viruses in clinical specimens is the efficient extraction of viral nucleic acids. The total yield of viral nucleic acid from a clinical specimen is dependent on the specimen's volume, the initial virus concentration and the effectiveness provided by the extraction method.
Klenner, Jeanette   +3 more
openaire   +2 more sources

Extraction method C v1

open access: yes, 2017
This protocol provides an efficient DNA extraction and purification of ancient sorft tissue.
SARAH SIU TZE MAK   +18 more
openaire   +1 more source

Modificações nas formas de fósforo do solo após extrações sucessivas com Mehlich-1, Mehlich-3 e resina trocadora de ânions Alterations in soil phosphorus forms after successive extractions with Mehlich-1, Mehlich-3 and anion exchange resin methods

open access: yesRevista Brasileira de Ciência do Solo, 2005
O fósforo encontra-se no solo em diversas formas, que variam de acordo com a natureza química dos compostos a que está ligado e à energia de ligação com estes.
Luciano Colpo Gatiboni   +2 more
doaj   +1 more source

Sustainable production with obtaining glucosamine from crab exoskeletons

open access: yesCiência Rural
: Two chemical treatments, five enzymatic (pectinase, lipase, hemicellulase, hemicellulose-cellulase or lipase-pectinase) and one microbiological (Bacillus subtilis) treatment were evaluated to obtain glucosamine hydrochloride (Gluc-HCl) from the chitin
Jorge Montiel-Montoya   +3 more
doaj   +1 more source

Study of the influence of fermentation conditions on the content of aroma-forming substances in young red wines

open access: yesНовые технологии, 2023
One of the main requirements for young wines is preservation the qualities of the grapes, including the bright varietal aroma characteristic of essential oils concentrated in the grape skins.
L. V. Gnetko   +3 more
doaj   +1 more source

Using a neural network-based feature extraction method to facilitate citation screening for systematic reviews [PDF]

open access: yes, 2020
Citation screening is a labour-intensive part of the process of a systematic literature review that identi- fies citations eligible for inclusion in the review.
KONTONATSIOS, GEORGIOS   +3 more
core   +1 more source

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