Results 81 to 90 of about 4,998 (213)

The Odyssey of Dental Anxiety: From Prehistory to the Present. A Narrative Review [PDF]

open access: yes, 2017
Dental anxiety (DA) can be considered as a universal phenomenon with a high prevalence worldwide; DA and pain are also the main causes for medical emergencies in the dental office, so their prevention is an essential part of patient safety and overall ...
Abrahamsson   +231 more
core   +1 more source

Next‐Generation Therapies for Gastrointestinal Repair: Converging Traditional Medicine and Tissue Engineering

open access: yesJGH Open, Volume 9, Issue 12, December 2025.
ABSTRACT The gastrointestinal (GI) tract plays a vital role in regulating metabolic pathways, nutrient absorption, and cellular homeostasis. Abnormalities in the GI tract often arise from unhealthy lifestyles, genetic mutations, and prolonged medication use, leading to disorders such as ulcers, cirrhosis, and malignancies.
Archna Dhasmana   +6 more
wiley   +1 more source

Activating antioxidant enzymes, hyoscyamine and scopolamine biosynthesis of Hyoscyamus niger L. plants with nano-sized titanium dioxide and bulk application

open access: yesActa Agriculturae Slovenica, 2015
Application of nanotechnology is now widely distributed overall the life, especially in agricultural systems. This study intended to indicate the impacts of nano-sized titanium dioxide particles (NT) and bulk (BT) on antioxidant enzymes activities ...
Mansour GHORBANPOUR   +2 more
doaj   +1 more source

Genome‐wide identification of quantitative trait nucleotides for plant architecture‐related traits in peanut

open access: yesThe Plant Genome, Volume 18, Issue 4, December 2025.
Abstract Peanut (Arachis hypogaea L.) is globally recognized as an important oilseed crop. Traits related to plant architecture are closely associated with yield in peanut. In this study, we focused on four specific traits related to plant architecture—first branch length (FBL), main stem height (MSH), stem diameter (SD), and the number of nodes on the
Juan Wang   +6 more
wiley   +1 more source

Novel psychoactive substances of interest for psychiatry [PDF]

open access: yes, 2015
Novel psychoactive substances include synthetic cannabinoids, cathinone derivatives, psychedelic phenethylamines, novel stimulants, synthetic opioids, tryptamine derivatives, phencyclidine-like dissociatives, piperazines, GABA-A/B receptor agonists, a ...
Corkery, John   +3 more
core   +1 more source

Chirality and Numbering of Substituted Tropane Alkaloids

open access: yesMolecules, 2011
The strict application of IUPAC rules for the numbering of tropane alkaloids is not always applied by authors and there is hence a lot of confusion in the literature.
Philippe Christen   +4 more
doaj   +1 more source

Effect of supplementing terpenoid biosynthetic precursors on the accumulation of bilobalide and ginkgolides in Ginkgo biloba cell cultures [PDF]

open access: yes, 2006
The effect of precursor feeding on the production of bilobalide and ginkgolides was studied with suspension cell cultures of Ginkgo biloba. The precursors greatly influenced the productivity of bilobalide and ginkgolides.
Choi, M.-S.   +8 more
core   +1 more source

ElectrochemicalN-demethylation of tropane alkaloids

open access: yesGreen Chemistry, 2020
A practical, efficient, and selective electrochemicalN-demethylation method of tropane alkaloids to their nortropane derivatives is described.
Ali Alipour Najmi   +4 more
openaire   +3 more sources

Optimization of Extraction Method of Hyoscine from Hyoscyamus niger L.

open access: yesJournal of Medicinal Plants, 2010
Background: Hyoscyamus niger L. from Solanaceae is an important pharmacological plant which contains tropane alkaloids. tropane alkaloids constitute one distinct group of secondary metabolites of the Solanaceae.
R Ghafarzadegan   +5 more
doaj  

Tropinone synthesis via an atypical polyketide synthase and P450-mediated cyclization

open access: yesNature Communications, 2018
Tropinone is an intermediate in the biosynthesis of tropane alkaloids. Here, the authors discovered the enzymes AbPYKS and AbCYP82M3, a non-canonical polyketide synthase and a cytochrome P450, that work sequentially to form tropinone from N-methyl-Δ1 ...
Matthew A. Bedewitz   +3 more
doaj   +1 more source

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