Results 31 to 40 of about 288,739 (291)

Developing and Understanding Olfactory Evaluation of Boar Taint

open access: yesAnimals, 2020
Trained expert panels are used routinely in boar taint research, with varying protocols for training of panelists and scoring methods. We describe a standardized process for training and scoring, to contribute to standardize the olfactory detection of ...
Evert Heyrman   +7 more
doaj   +1 more source

Interrupted Intramolecular Hydroaminomethylation of N-Protected-2-vinyl Anilines: Novel Access to 3-Substitued Indoles or Indoline-2-ols

open access: yesMolecules, 2022
A new synthetic alternative to the synthesis of 3-methyl indoles and 3-methyl indoline-2-ols with an excellent atomic economy is presented in this study.
Frank Hochberger-Roa   +6 more
doaj   +1 more source

Marine Indole Alkaloids [PDF]

open access: yesMarine Drugs, 2015
Marine indole alkaloids comprise a large and steadily growing group of secondary metabolites. Their diverse biological activities make many compounds of this class attractive starting points for pharmaceutical development. Several marine-derived indoles were found to possess cytotoxic, antineoplastic, antibacterial and antimicrobial activities, in ...
Netz, Natalie, Opatz, Till
openaire   +4 more sources

Synthesis, In Vitro Biological Evaluation and In Silico Molecular Docking Studies of Indole Based Thiadiazole Derivatives as Dual Inhibitor of Acetylcholinesterase and Butyrylchloinesterase

open access: yesMolecules, 2022
The current study was conducted to obtain hybrid analogues of indole-based thiadiazole derivatives (1–16) in which a number of reaction steps were involved. To examine their biological activity in the presence of the reference drug Donepezil (0.21 ± 0.12
Shoaib Khan   +12 more
doaj   +1 more source

Tri-trophic effects of inter- and intra-population variation in defence chemistry of wild cabbage (Brassica oleracea) [PDF]

open access: yes, 2010
The eVect of direct chemical defences in plants on the performance of insect herbivores and their natural enemies has received increasing attention over the past 10 years.
Bullock, J.M.   +4 more
core   +4 more sources

Synthesis of Potential Antiviral Agents for SARS-CoV-2 Using Molecular Hybridization Approach

open access: yesMolecules, 2022
We synthesized a set of small molecules using a molecular hybridization approach with good yields. The antiviral properties of the synthesized conjugates against the SAR-CoV-2 virus were investigated and their cytotoxicity was also determined.
Kailey A. Wyman   +12 more
doaj   +1 more source

Anti-aphrodisiac compounds of male butterflies increase the risk of egg parasitoid attack by inducing plant synomone production [PDF]

open access: yes, 2009
During mating in many butterfly species, males transfer spermatophores that contain anti-aphrodisiacs to females that repel conspecific males. For example, males of the large cabbage white, Pieris brassicae (Lepidoptera: Pieridae), transfer the anti ...
Aponte Cordero, W.V.   +7 more
core   +2 more sources

Relationship between Aldose reductase and superoxide dismutase inhibition capacities of indole-based analogs of melatonin derivatives [PDF]

open access: yesArchives of Biological Sciences, 2009
Aldose reductase (AR) has been implicated in the etiology of diabetic complications. Under diabetic conditions, the elevated vascular glucose level causes an increased flux through the polyol pathway, which induces functional and morphological changes ...
Daş-Evcimen N., Yildirim Ö., Suzen S.
doaj   +1 more source

On the prevalence of bridged macrocyclic pyrroloindolines formed in regiodivergent alkylations of tryptophan. [PDF]

open access: yes, 2016
A Friedel-Crafts alkylation is described that efficiently transforms tryptophan-containing peptides into macrocycles of varying ring connectivity. Factors are surveyed that influence the distribution of regioisomers, with a focus on indole C3-alkylations
Curtin, Brice H   +5 more
core   +1 more source

Influence of blood meal on the responsiveness of olfactory receptor neurons in antennal sensilla trichodea of the yellow fever mosquito, Aedes aegypti [PDF]

open access: yes, 2010
In female Aedes aegypti L. mosquitoes, a blood meal induces physiological and behavioral changes. Previous studies have shown that olfactory receptor neurons (ORNs) housed in grooved peg sensilla on the antennae of Ae.
Hansson, Bill   +3 more
core   +1 more source

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