Results 21 to 30 of about 4,007,706 (203)

Exploiting the dynamic properties of FET-based chemical sensors [PDF]

open access: yes, 1989
After a long period of mainly static application of ISFETS, other more sophisticated applications are being developed, based on the exploitation of the dynamic properties of ISFETS. Examples are the use of flow-through cells with sample injection and the
Bergveld, P.
core   +3 more sources

Antioxidant Potential and Phenolic Compounds of Some Widely Consumed Turkish White Bean (Phaseolus vulgaris L.) Varieties

open access: yesPolish Journal of Food and Nutrition Sciences, 2016
The antioxidant potential and phenolic compounds content were investigated in ten white bean varieties widely consumed in Turkey. Total phenolic contents of seeds varied between 0.33 and 0.63 mg GAE/g.
Orak Hakime Hülya   +3 more
doaj   +1 more source

The physical and chemical properties of planet forming disks [PDF]

open access: yes, 2019
VLT instruments and ALMA have revolutionized in the past five years our view and understanding of how disks turn into planetary systems. They provide exquisite insights into non-axisymmetric structures likely closely related to ongoing planet formation ...
Kamp, I.
core   +3 more sources

Phenolic Profile and Antioxidant Activity of Fractions of Procyanidin-Rich Hawthorn (Crataegus monogyna Jacq.) Bark Extract Separated by Low-Pressure Liquid Chromatography

open access: yesMolecules
Plant materials rich in proanthocyanidins are fractionated to determine the structure of these compounds and relate it to bioactivity. The aim of this study was to fractionate a procyanidin-rich hawthorn bark extract using low-pressure liquid ...
Magdalena Karamać   +3 more
doaj   +1 more source

PENGARUH APLIKASI KOMPOS JERAMI PADI DAN TITHONIA (KOJETO) TERHADAP SIFAT KIMIA PSAMENT

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan), 2020
Psament is a soil that has a low fertility rate which is characterized by low organic matter content (BO) so there are less water and nutrients available.
Febria Fitri, G Gusnidar, J Juniarti
doaj   +1 more source

Edible Coating Chitosan-Acerola to Replace the Sulfites as Preservatives of Fresh Shrimps (Litopenaeus vannamei)

open access: yesInternational Journal of Food Science
Melanosis is a chemical reaction based on lipid oxidation, which reduces shrimp shelf-life. This research is aimed at applying chitosan-based coating solutions incorporated with a natural antioxidant (acerola extract) as an antimelanotic material for ...
Leiliane Teles César   +5 more
doaj   +1 more source

PENGARUH PENCAMPURAN LAPISAN OLAH DAN LAPISAN TAPAK BAJAK TERHADAP KARAKTERISTIK SIFAT KIMIA TANAH SAWAH

open access: yesJTSL (Jurnal Tanah dan Sumberdaya Lahan), 2020
The increasing of Indonesian population has led to a decrease in the area of rice fields in Indonesia. Therefore, it is needed to increase the fertility and the productivity of paddy soil.
Rafdea Syafitri   +2 more
doaj   +1 more source

Chemical Properties of Californium [PDF]

open access: yesJournal of the American Chemical Society, 1950
Abstract : Some evidence as to the chemical nature of the new element californium is presented. The chemical separation and identification of the new element was accomplished through the use of ion-exchange adsorption methods employing the resin Dowex-50.
Street, Jr.   +2 more
openaire   +2 more sources

Chemical and photochemical properties of chloroharmine derivatives in aqueous solutions [PDF]

open access: yes, 2016
Thermal and photochemical stability (ΦR), room temperature UV-vis absorption and fluorescence spectra, fluorescence quantum yields (ΦF) and lifetimes (τF), quantum yields of hydrogen peroxide (ΦH2O2) and singlet oxygen (ΦΔ) production, and triplet ...
Cabrerizo, Franco Martín   +7 more
core   +1 more source

Antioxidant Activity of Flaxseed Extracts in Lipid Systems

open access: yesMolecules, 2015
The aim of this work was to compare the antioxidant activity of the extract of flaxseed and its alkaline hydrolysate in two model systems: lipid autoxidation of triacylglycerols of sunflower oil (TGSO)—in a homogeneous lipid media and during β-carotene ...
Adriana Slavova-Kazakova   +3 more
doaj   +1 more source

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