Results 41 to 50 of about 293,138 (336)

Influence of acute caffeine on 50-kHz ultrasonic vocalizations in male adult rats and relevance to caffeine-mediated psychopharmacological effects [PDF]

open access: yes, 2010
To further characterize caffeine-mediated psychopharmacological effects, the present study investigated whether acute caffeine (3, 10, 30, 50 mg/kg i.p.) exerted any influence on the emission and features of ultrasonic vocalizations (USVs), which are ...
Ma ST, Schallert, T, Simola, N
core   +1 more source

Islet Amyloid Polypeptide Modelled to Simulate Diabetes Co‐Oligomerized with β‐Amyloid 1‐42 Reproducing the Pathological Cascade of Alzheimer's Disease in Human Cerebral Organoids

open access: yesAdvanced Science, EarlyView.
Human islet amyloid polypeptide (hIAPP) was used to mimic T2DM, and Aβ42‐hIAPP co‐oligomers were delivered into the human mature cerebral organoids (COs), which reproduce typical AD pathology and significant neuronal death more closely resembling that of AD patients.
Jin Yan   +6 more
wiley   +1 more source

The caffeine dilemma: unraveling the intricate relationship between caffeine use disorder, caffeine withdrawal symptoms and mental well-being in adults

open access: yesPublic Health Nutrition
Objective: This study aimed to explore the relationship between caffeine use disorder (CUD), caffeine withdrawal symptoms and the prevalence of depression, anxiety and stress (DASS) in adults.
Mahmut Bodur   +4 more
doaj   +1 more source

Effects of contaminants of emerging concern on Megaselia scalaris (Lowe, Diptera: Phoridae) and its microbial community. [PDF]

open access: yes, 2017
Drought, rising temperatures, and expanding human populations are increasing water demands. Many countries are extending potable water supplies by irrigating crops with wastewater.
Gan, Jay   +5 more
core   +1 more source

Crossing the Blood–Brain Barrier with Molecularly Imprinted Polymeric Nanocarriers: An Emerging Frontier in Brain Disease Therapy

open access: yesAdvanced Science, EarlyView.
Molecularly imprinted polymeric nanocarriers (nanoMIPs) offer robust, antibody‐mimetic platforms to overcome the blood‐brain barrier. The article surveys nanoMIP design and ligand‐directed surface engineering that harness receptor‐mediated transcytosis, and highlights therapeutic and diagnostic applications in neurodegeneration, brain tumors and ...
Ranjit De, Shuliang Shi, Kyong‐Tai Kim
wiley   +1 more source

Estimate the prevalence of daily caffeine consumption, caffeine use disorder, caffeine withdrawal and perceived harm in Iran: a cross-sectional study

open access: yesScientific Reports
One of the informal diagnoses in DSM-5 is Caffeine Use Disorder (CUD). CUD and high levels of caffeine consumption could impact mental health conditions.
Fatemeh Abdoli   +7 more
doaj   +1 more source

Caffeine induces neurobehavioral effects through modulating neurotransmitters

open access: yesSaudi Pharmaceutical Journal, 2020
Evidence demonstrates that chronic caffeine exposure, primarily through consumption of coffee or tea, leads to increased alertness and anxiety. Preclinical and clinical studies showed that caffeine induced beneficial effects on mood and cognition.
Fawaz Alasmari
doaj   +1 more source

The impact of daily caffeine intake on nighttime sleep in young adult men

open access: yesScientific Reports, 2021
Acute caffeine intake can delay sleep initiation and reduce sleep intensity, particularly when consumed in the evening. However, it is not clear whether these sleep disturbances disappear when caffeine is continuously consumed during daytime, which is ...
Janine Weibel   +9 more
doaj   +1 more source

An Investigation of the Kinetics and Equilibrium Chemistry of Cold-Brew Coffee: Caffeine and Chlorogenic Acid Concentrations as a Function of Roasting Temperature and Grind Size [PDF]

open access: yes, 2017
: Recently, both small and large commercial coffee brewers have begun offering cold-brew coffee drinks to customers with the claims that these cold-water extracts contain fewer bitter acids due to brewing conditions (Toddy website, 2016) while still ...
Fuller, PhD, Megan   +4 more
core   +1 more source

Coffee Ingestion Improves 5 km Cycling Performance in Men and Women by a Similar Magnitude [PDF]

open access: yes, 2019
Caffeine is a well-established ergogenic aid, although research to date has predominantly focused on anhydrous caffeine, and in men. The primary aim of the present study was to investigate the effect of coffee ingestion on 5 km cycling time trial ...
Clarke, Neil   +2 more
core   +1 more source

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