Results 21 to 30 of about 6,053,557 (280)

Antioxidant Activity of New Sulphur- and Selenium-Containing Analogues of Potassium Phenosan against H2O2-Induced Cytotoxicity in Tumour Cells

open access: yesCurrent Issues in Molecular Biology, 2022
Among known phenolic antioxidants, the overwhelming majority of compounds have lipophilic properties and the number of known water-soluble compounds is very small.
Lyubov S. Klyushova   +2 more
doaj   +1 more source

(18-Crown-6-[kappa]6O)(pyrazolato-[kappa]2N,N')-potassium(I) [PDF]

open access: yes, 2009
The asymmetric unit of the title compound, [K(C3H3N2)(C12H24O6)], is composed of a potassium cation bonded to the six O atoms of a crown ether molecule and the two N atoms of a pyrazolate anion.
Lerner, Hans-Wolfram   +5 more
core   +1 more source

Genotoxic and antigenotoxic properties of selenium compounds in the in vitro micronucleus assay with human whole blood lymphocytes and tk6 lymphoblastoid cells

open access: yesThe Scientific World Journal, 2006
Selenium is known to possess both genotoxic and antigenotoxic properties. In the present study, we have evaluated the genotoxicity and antigenotoxicity of three selenium compounds (sodium selenate, sodium selenite and selenous acid) by measuring in vitro
Eduard Cemeli   +2 more
doaj   +1 more source

Impact of some stimulants on boosting strawberry plants’ resistance to Tetranychus urticae Koch (Actinidida: Tetranychidae) [PDF]

open access: yesAcarines: Journal of the Egyptian Society of Acarology
The present study was conducted during the two seasons, 2017/2018 and 2018/2019 to evaluate the effect of some stimulating compounds on the mean population number of the movable stages of the two-spotted spider mite Tetranychus urticae per leaflet in two
Mohammed Ahmed, Mahmoud Ahmed
doaj   +1 more source

Synthesis and Characterization of some Oxadiazolesand Thiadiazoles derivatives [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2012
: A number of heterocyclic compounds was synthesized from the reaction of methyl benzoate (1) with hydrazine hydrate in the presence of alcohol to give phenyl hydrazide (2).The phenyl hydrazide (2) had been treated with various aromatic aldehydes in ...
Ali Omairi Mohammad
doaj   +1 more source

Potassium silicate and calcium chloride improve production and shelf-lifeof strawberries [PDF]

open access: yesFayoum Journal of Agricultural Research and Development, 2023
The short shelf-life of strawberry fruits is the main challenge for transportation over long distances during export and import around the world. Adding postharvest treatments could increase fruits decay during transportation.
Shereen S. F. EL-Sayed   +2 more
doaj   +1 more source

Retrospective study of the correlation of serum potassium concentrations and the findings of heart auscultation in calves with neonatal diarrhea [PDF]

open access: yes, 1980
A retrospective study was conducted of clinical records of calves with neonatal diarrhea up to the age of 14 days concerning certain aspects of blood potassium concentration and heart rate and rhythm.
Acres, Stephen D., Klee, Wolfgang
core   +1 more source

Comparative Analysis between Ecotoxicity of Nitrogen-, Phosphorus-, and Potassium-Based Fertilizers and Their Active Ingredients

open access: yesToxics, 2016
This study aimed to analyze the ecotoxicity of nitrogen-, phosphorus-, and potassium-based compounds to organisms of two different trophic levels in order to compare the toxic effect between high-purity substances and these substances as components of ...
Nathan de Castro Soares Simplício   +6 more
doaj   +1 more source

Antifungal Activity of Copper, Zinc and Potassium Compounds on Mycelial Growth and Conidial Germination of Fusarium solani f. sp. piperis

open access: yes, 2019
Fusariosis is a disease that causes economic damage to black pepper (Piper nigrum L.) producers. Despite being a major disease, there is no record of efficient chemical control.
Renata Aparecida Felinto Dos Santos   +6 more
semanticscholar   +1 more source

Effects of lithium on electrical activity and potassium ion distribution in the vertebrate central nervous system [PDF]

open access: yes, 1983
Three different regions of the vertebrate central nervous system maintained in vitro (frog spinal cord, guinea pig olfactory cortex and hippocampus) have been used to investigate how Li+ influences membrane potential, membrane resistance, action ...
H. Emmert   +7 more
core   +1 more source

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