Results 151 to 160 of about 262,566 (370)

Nonconventional Techniques in Plant Alkaloid Extraction: A Decade of Progress (2014–2023)

open access: yesChemistry &Biodiversity, EarlyView.
This figure seeks to represent the evolution of the different unconventional approaches that were adopted for the extraction of plant‐derived alkaloids during the decade from 2014 to 2023. ABSTRACT Plant metabolism encompasses primary and secondary pathways, with secondary metabolism yielding diverse natural products crucial for plant adaptation and ...
Victor Menezes Sipoloni   +5 more
wiley   +1 more source

Pharmacology of caffeine and its effects on the human body

open access: yesEuropean Journal of Medicinal Chemistry Reports
Caffeine is the world's most popular stimulant and psychoactive substance. Given the ubiquitous use of caffeine, it is crucial for us to comprehend how our body interacts with caffeine. The pharmacokinetics of caffeine and its action mechanisms have been
Vundrala Sumedha Reddy   +3 more
doaj  

CAFFEINE IN SURGERY [PDF]

open access: yesSouthern Medical Journal, 1920
n ...
openaire   +2 more sources

Ethnomedicinal uses, phytochemistry, pharmacological activities, and toxicology of the subfamily Gomphrenoideae (Amaranthaceae): A comprehensive review

open access: yesChemistry &Biodiversity, Accepted Article.
The subfamily Gomphrenoideae is composed of about 480 accepted species, many of which have been historically used as medicinal plants, reason why they have been studied in terms of chemical profile, biological activity, and safety. This review consolidates the advances in research on this subfamily over the past 47 years, emphasizing its promising ...
Dayanna Isabel Araque Gelves   +3 more
wiley   +1 more source

Caffeine intake by patients with autosomal dominant polycystic kidney disease

open access: yesBrazilian Journal of Medical and Biological Research, 2012
Because caffeine may induce cyst and kidney enlargement in autosomal dominant polycystic kidney disease (ADPKD), we evaluated caffeine intake and renal volume using renal ultrasound in ADPKD patients.
L.C. Vendramini   +3 more
doaj   +2 more sources

Cooperative Photoredox Catalysis Under Confinement

open access: yesChemistry – A European Journal, Volume 31, Issue 21, April 9, 2025.
This Concept article provides an overview of advancements in confinement‐aided photoredox catalysis, spanning across well‐established heterogeneous frameworks to emerging homogeneous single‐chain polymers. Focus is placed upon design elements that enable spatial proximity of cocatalysts which, in turn, provides optimal electron, energy, and/or radical ...
Shweta Gaikwad   +2 more
wiley   +1 more source

Caffeine and Sprint Performance in Habitual and Caffeine Naive Participants [PDF]

open access: yes, 2012
Caffeine is thought to provide ergogenic benefits during endurance performance. However, there is limited research on the effects of caffeine on anaerobic sports performance.
Caputo, Jennifer L.   +2 more
core   +1 more source

The Effect of caffeine on cognitive processes, sleep and sports performance

open access: yesJournal of Education, Health and Sport
Introduction: Caffeine is one of the most frequently used psychostimulants in the world. It is present in many drinks consumed around the world. Its stimulating effect on the central nervous system has been known for years.
Radosław Szydłowski   +7 more
doaj   +1 more source

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