Results 41 to 50 of about 18,197,302 (162)

Solvent effect on the quenching of singlet oxygen by 3-methylindole [PDF]

open access: yes, 2001
Detection of O2(1Δg) emission, λmax = 1270 nm, following laser excitation and steady-state methods were employed to measure total, kT, and chemical, kR, reaction rate constants for the reaction between 3-methylindole and singlet oxygen in several ...
Encinas, María Victoria   +3 more
core   +1 more source

Synthesis and C-13 NMR Spectral Assignments of 2-Methylindole-3-S-Acid Derivatives [PDF]

open access: yes, 1985
A series of 2-methylindole-3-S-alkanose acids (3a-5a) was prepared, and their C-13 NMR spectra ...
Bennett, Jr., Richard   +7 more
core   +1 more source

Phytochemical Characterization of Extracts From Aesculus hippocastanum L. Seeds and Quantification of Saponins Using HPLC‐DAD and a Novel Tensiometric Approach

open access: yesChemistry &Biodiversity, Volume 23, Issue 9, September 2026.
Aesculus hippocastanum L. seed extracts prepared according to pharmacopeial methods were comprehensively characterized using HPLC‐DAD‐ESI‐MSn and GC‐MS. Furthermore, a novel bubble pressure tensiometric approach and an HPLC‐DAD method were employed for the quantitative analysis of surface‐active components.
Khadijeh Nosrati Gazafroudi   +6 more
wiley   +1 more source

Metabolism of 3-methylindole by a methanogenic consortium

open access: yes, 1992
A methanogenic 3-methylindole (3-MI)-degrading consortium, enriched from wetland soil, completely mineralized 3-MI. Degradation proceeded through an initial hydroxylation reaction forming 3-methyloxindole. The consortium was unable to degrade oxindole or
Gu, JD, Berry, DF
core   +1 more source

3-Methylindole-substituted zinc phthalocyanines for photodynamic cancer therapy

open access: yes, 2019
Novel peripherally and non-peripherally 3-methylindole-substituted zinc phthalocyanine derivatives were synthesized as photosensitizers for photodynamic therapy in cancer treatment.
Ercin, PELİN   +8 more
core   +1 more source

Effects of Dietary Supplementation with Yeast Hydrolysate on Immune Function, Fecal Short Chain Fatty Acids, and Intestinal Health in Cats

open access: yesVeterinary Sciences
Yeast hydrolysate (YH) is rich in amino acids and other nutrients, and as a nutritional supplement it has been widely used in daily nutritional supplements for livestock.
Jintao Sun   +8 more
doaj   +1 more source

Nano TiO2/SiO2: An efficient and reusable catalyst for the synthesis of oxindole derivatives

open access: yesJournal of Saudi Chemical Society, 2016
Nano TiO2 supported on SiO2 (Nano TiO2/SiO2) as a solid Lewis acid, was found to be an effective and reusable catalyst for the condensation reaction of indoles with isatins to afford the corresponding bis(indolyl)oxindoles at 50 °C under solvent-free ...
Maryam Haghighi, Kobra Nikoofar
doaj   +1 more source

Effects of CYP2E1 Polymorphism and Dietary Supplementation With Jerusalem Artichoke on Skatole and Indole Levels in the Back Fat and Feces of Boars, and Liver mRNA Expression

open access: yesFood Science &Nutrition, Volume 14, Issue 9, September 2026.
This study investigated the combined effects of CYP2E1 gene polymorphism (SNP NM_214421.1: c.1423G > A) and short‐term dietary supplementation with Jerusalem artichoke (Helianthus tuberosus, 8.2% tuber meal) on skatole and indole concentrations in back fat and feces of 25 crossbreed boars, and on hepatic CYP2E1 mRNA expression. Animals were assigned to
Kateřina Zadinová   +8 more
wiley   +1 more source

The effect of 3-methylindole on the rates of phospholipid and neutral lipid synthesis in cultured fibroblasts

open access: yes, 1987
The present study was designed to test the hypothesis that a pneumotoxin, 3-methylindole, alters the basic metabolic pathways involved in phospholipid and neutral lipid synthesis in cultured fibroblasts.
Tammy M. Bray   +2 more
core   +1 more source

Gut microbiota and metabolites of α-synuclein transgenic monkey models with early stage of Parkinson’s disease

open access: yesnpj Biofilms and Microbiomes, 2021
Parkinson’s disease (PD) is the second most prevalent neurodegenerative disease. However, it is unclear whether microbiota and metabolites have demonstrated changes at early PD due to the difficulties in diagnosis and identification of early PD in ...
Yaping Yan   +9 more
doaj   +1 more source

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