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14001
Thioxopyrimidine in Heterocyclic Synthesis III: Synthesis and Properties of Some Novel Heterocyclic Chalcone Derivatives Containing a Thieno[2,3-d]pyrimidine-Based Chromophore
Published 2013-01-01“…Cyclization of 4-methyl-2-phenyl-6-thioxo-1,6-dihydropyrimidine-5-carbonitrile 1 with chloroacetone in DMF in the presence of excess potassium carbonate anhydrous gave the 1-(5-amino-4-methyl-2-phenylthieno[2,3-d]pyrimidin-6-yl)ethanone 3, which can react with 2,5-dimethoxytetrahydrofuran in glacial acetic acid producing the 1-[4-methyl-2-phenyl-5-(1H-pyrrol-1-yl)thieno[2,3-d]pyrimidin-6-yl]ethanone 4. …”
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14002
The Impact of Fermented Quinoa Sourdough with Enterococcus Strains on the Nutritional, Textural, and Sensorial Features of Gluten-Free Muffins
Published 2025-01-01“…Several analyses were performed on the obtained sourdoughs and muffins, including a viscosity study, a textural and sensory analysis, and a polyphenol, organic acid, and carbohydrate content analysis. The results showed that the fermented quinoa flour exhibited enhanced nutritional value, with increased levels of organic acids such as lactic and acetic acid, as well as improved polyphenol content. …”
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14003
Chromosome-level genome assembly of Salvia sclarea
Published 2025-01-01“…Abstract Salvia sclarea is a medicinal herb from the Lamiaceae family, valued for its essential oil which contains sclareol, linalool, linalyl acetate, and other compounds. …”
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14004
Enterobacter hormaechei: an endophytic bacterium found in Avocado Peel (Persea americana Mill.) with antioxidant properties
Published 2024-11-01“…The bacteria are then isolated, purified, and subjected to ethyl acetate extraction to evaluate their antioxidant activity using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) microassay. …”
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14005
Plasmonic Titania Photocatalysts Active under UV and Visible-Light Irradiation: Influence of Gold Amount, Size, and Shape
Published 2012-01-01“…After testing twelve amounts of deposited gold on large rutile titania, the existence of three optima for 0.5, 2 and >6 wt% of gold was found during acetic acid degradation. Under visible light irradiation, in the case of small gold NPs deposited on fine anatase titania, the dependence of photoactivity on gold amount was parabolic, and large gold amount (2 wt%), observable as an intensively coloured powder, caused photoactivity decrease. …”
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14006
Photocatalytic and adsorption property of ZnS–TiO/RGO ternary composites for methylene blue degradation
Published 2019-12-01“…S 2− ions and Zn 2+ ions were provided by sodium sulfide and zinc acetate, respectively. The photocatalytic and absorbance activity of the nanocomposites was investigated through the photocatalytic degradation of methylene blue in aqueous solution. …”
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14007
Biofertilizing Effect of Soil Cyanobacterium <i>Anabaena cylindrica</i>–Based Formulations on Wheat Growth, Physiology, and Soil Fertility
Published 2025-01-01“…The wheat growth–promoting effect was attributed to the intracellular or released bioactive compounds of <i>A. cylindrica</i>, such as polysaccharides, proteins, indole acetic acid phytohormone, nitrogen, phosphorus, and potassium. …”
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14008
Increased matrix metalloproteinase-1 expression by coexposure to UVA and cigarette sidestream smoke and contribution of histone acetylation
Published 2025-01-01“…Histone deacetylase inhibitors, sodium acetate, propionate, and butyrate, all enhanced the CSS-induced MMP-1 according to the degree of histone acetylation. …”
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14009
Synthesis and Characterization of 5-Hydroxymethylfurfural from Corncob Using Solid Sulfonated Carbon Catalyst
Published 2020-01-01“…BC-SO3H−1 was selected based on the acid density and elemental analysis of the catalyst. …”
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14010
Development and Validation of the Quantification Method for Hydroxychloroquine in Volumetric Absorptive Microsampling (VAMS) Using High-Performance Liquid Chromatography-Photodiode...
Published 2021-01-01“…Sample in VAMS is extracted by liquid-liquid extraction with ammonia 1% and n-hexane-ethyl acetate (50 : 50 v/v) as a extraction solvent. This method has successfully qualified the Food and Drug Administration (2018) parameters, with 2 ng/mL of LLOQ, range of calibration curve 2–6500 ng/mL, and coefficient of correlation 0.9993–0.9997.…”
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14011
Urinary Concentrations of Steroids in Bulls under Anabolic Treatment by Revalor-XS® Implant
Published 2016-01-01“…In the present study, a group of bulls (n=16) received trenbolone acetate (200 mg) and estradiol (40 mg) by a commercial ear implant during a time range of 71 days, and a second group (n=16) was kept for control. …”
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14012
Isolation of Bioactive Compound in Methanolic Extract of Putat Leaves (Planchonia valida) as Antioxidant
Published 2022-12-01“…Extraction was carried out using n-hexane and ethyl acetate solvents using multistage maceration. Next, phytochemical screening and antioxidant activity tests are carried out to obtain information about fractions that can potentially proceed to the isolation stage. …”
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14013
Interleukin-6 and interleukin-6 receptor secretion by chronic lymphatic leukaemia and normal B lymphocytes: effect of PMA and PWM
Published 1997-01-01“…Phorbol-12-myristate 13 acetate (PMA) caused a decrease in the levels of IL-6 in 14 out of 16 cultures and an increase in levels of sIL6R in all 15 cases. …”
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14014
In vitro assessment of the nematicidal potential of Streptomyces violascens strain AS2 against root-knot nematodes (Meloidogyne sp.)
Published 2024-01-01“…Here, we report for the first time the nematicidal properties of Streptomyces violascens and its viability as a safe and effective solution against nematode infestation. …”
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14015
Preparation and In Vitro/In Vivo Evaluation of Vinpocetine Elementary Osmotic Pump System
Published 2011-01-01“…It is found that the VIN release rate was increasing with the citric acid amount at a constant range. Cellulose acetate 398-3 was employed as semipermeable membrane containing polyethylene glycol 6000 and diethyl-o-phthalate as pore-forming agent and plasticizer for controlling membrane permeability. …”
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14016
The Epoxidized Vietnam Rubber Seed Oil as a Secondary Plasticizer/Thermal Stabilizer in PVC Processing
Published 2021-01-01“…The epoxidized rubber seed oil (EeRSO) was a mixture of epoxidized triglyceride, and epoxidized methyl ester of free fatty acids was used as a secondary plasticizer for PVC. …”
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14017
Sildenafil alters biogenic amines and increases oxidative damage in brain regions of insulin-hypoglycemic rats
Published 2020-03-01“…The aim of the present study was to determine the effect of sildenafil on dopamine, 5-hydroxyindol acetic acid (5-HIAA) and selected biomarkers of oxidative stress in the brain of hypoglycemic rats. …”
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14018
Elevation variations in volatile components of St. John’s Wort (Hypericum perforatum L.)
Published 2024-12-01“…The main components with the highest ratio are -pinene, 5-methyl-undecane and trans-caryophyllene in the flowers, and 2-methyl-octane, carvacrol and acetic acid in the leaves. While it is seen the main components of the essential oils of flowers and leaves are similar in the altitude groups, the alteration is generally in other chemical components. …”
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14019
El oleoturismo como herramienta de desarrollo territorial. Diagnóstico y necesidades de conocimiento
Published 2025-01-01“…El oleoturismo es una de esas tipologías, en este caso vinculada con el aprovechamiento de los recursos de las zonas rurales especializadas en el cultivo del olivar y la producción de aceite de oliva. Esta investigación indaga en la caracterización, estructura y necesidades de conocimiento del oleoturismo. …”
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14020
Essential Oil and Smoke Components of Artemisia absinthium and Hagenia abyssinica
Published 2024-01-01“…The main components of the A. absinthium essential oil were valencene (5.48%), bornyl acetate (5.15%), and trans-cinnamic acid (4.34%). 2-Bornanone (18.54%), o-cymene (12.80%), and nerolidol (7.04%) were the dominant components of the MeOH fraction of the smoke derived from the leaves of A. absinthium, while 2-propenoic acid butyl ester (46.49%), heptadecane (10.66%), and 9-octylheptadecane (7.78%) were the major components of the n-hexane fraction. …”
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