Results 81 to 90 of about 827,770 (161)

Natural Product-Based Discovery of Antibacterial Agents from Sophora tomentosa L. to Tackle Drug Resistance

open access: yesBiology and Life Sciences Forum
The rapid emergence of antimicrobial resistance (AMR) threatens global health by reducing the effectiveness of current antibiotics. Natural products remain an essential source of structurally diverse compounds with therapeutic potential.
Supattra Poeaim   +3 more
doaj   +1 more source

Effect of animal and industrial trans fatty acids on HDL and LDL cholesterol levels in humans - a quantitative review [PDF]

open access: yes, 2010
Background: Trans fatty acids are produced either by industrial hydrogenation or by biohydrogenation in the rumens of cows and sheep. Industrial trans fatty acids lower HDL cholesterol, raise LDL cholesterol, and increase the risk of coronary heart ...
Wanders Anne J.   +13 more
core   +4 more sources

Mechanical and thermal properties of eco-friendly coating obtained from products of waste polyethylene terephthalate

open access: yesZaštita Materijala, 2018
The technology used in creating coatings is very important for the environmental science field. Regarless to the available types of raw materials, new methods of combining materials or the evolution of traditional technologies, coatings provide a range ...
Mirjana Jovičić   +6 more
doaj   +1 more source

Synthesis and Anticancer Activity of Some New S-Glycosyl and S-Alkyl 1,2,4-Triazinone Derivatives

open access: yesMolecules, 2011
A series of S-glycosyl and S-alkyl derivatives of 4-amino-3-mercapto-6-(2-(2-thienyl)vinyl)-1,2,4-triazin-5(4H)-one (1) were synthesized using different halo compounds such as preacetylated sugar bromide, 4-bromobutylacetate, 2-acetoxyethoxy-methyl ...
Hosam A. Saad, Ahmed H. Moustafa
doaj   +1 more source

Extraction of some metal ions with hydroxamic acids derived from phthalic acid

open access: yes, 1998
Some hydroxamic acids were prepared using phthalic acids and hydroxylamine as a primary starting materials . They have been characterized using different Physical and chemical tools ( I.R . , U.V. , M.S. , TGA, and M.Ps ) .
A. E. Hamedelniel, H . A. A/Alla
core  

Oxalic acid as a heterogeneous ice nucleus in the upper troposphere and its indirect aerosol effect [PDF]

open access: yesAtmospheric Chemistry and Physics, 2006
Heterogeneous ice freezing points of aqueous solutions containing various immersed solid dicarboxylic acids (oxalic, adipic, succinic, phthalic and fumaric) have been measured with a differential scanning calorimeter.
B. Zobrist   +13 more
doaj  

Long-term (2001–2013) observations of water-soluble dicarboxylic acids and related compounds over the western North Pacific: trends, seasonality and source apportionment

open access: yesScientific Reports, 2017
To better understand the impact of East Asian pollutants on the molecular composition of marine organic aerosols, we conducted long-term (2001–2013) observations of water-soluble dicarboxylic acids and related compounds in total suspended particulate ...
Suresh K. R. Boreddy   +2 more
doaj   +1 more source

Preparation and Biological Activities of Some Heterocyclic Compounds Derivatives from 2-Aminothiazoles

open access: yesNano Biomedicine and Engineering, 2018
In the current investigation, two series of 2-amino thiazole derivatives were prepared. The first series involved synthesis of (Z)-3-(thiazol-2-ylimino)indolin-2-one (A1) as Schiff base derivatives of 2-amino thiazole and isatin, then synthesis of ...
Faez Abdul-hussein Alrammahi
doaj   +1 more source

Energy Efficiency of Phthalic Anhydride Plants

open access: yes, 1982
Developments in catalyst technology have played a major role implementing phthalic anhydride process improvements. Steam turbines yield large energy savings, and are flexible in achieving a process heat/energy balance.
Mitchem, C., Keunecke, G.
core  

Nuclear Magnetic Resonance Characterization of Water Soluble Organic Carbon of Atmospheric Aerosol Types

open access: yesNatural Product Communications, 2019
The water soluble organic carbon of the prevalent atmospheric aerosol sources (traffic exhausts, paved road dust, agricultural soil, native soil, wood combustion, epicuticular waxes from pine and broad-leaved trees, and pollen) has been characterized ...
Marie-Cecile G. Chalbot   +1 more
doaj   +1 more source

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