Results 81 to 90 of about 7,416 (225)

Stability of Lead‐Free Perovskite Solar Cells

open access: yesAdvanced Sustainable Systems, Volume 10, Issue 3, March 2026.
This review article discusses the very recent status of stability of lead‐free perovskite solar cells, possible challenges, fabrication techniques, the degradation mechanism of lead‐free PSCs affecting stability, possible causes hindering the simultaneous improvement of efficiency and stability of lead‐free PSCs, potential outlook, and future research ...
Pranta Barua   +4 more
wiley   +1 more source

Bath Salts: The Ivory Wave of Trouble

open access: yesWestern Journal of Emergency Medicine, 2012
[West J Emerg Med. 2012;13(1):58–62.]
Travis D. Olives   +2 more
doaj  

Structure elucidation of nanogram quantities of unknown designer drugs based on phenylalkylamine derivates by ion trap multiple mass spectrometry [PDF]

open access: yes, 2018
Multiple mass spectra (MS1 to MS6) of 55 phenylalkylamine derivatives were recorded with ion-trap mass spectrometry employing electrospray (ESI) and atmospheric pressure chemical ionization (APCI).
Kölliker, Stephan, Oehme, Michael
core  

Photofragmentation spectroscopy of cold protonated aromatic amines in the gas phase

open access: yes, 2014
The electronic spectroscopy of cold protonated aromatic amines, anilineH+ C6H5-NH3+, benzylamineH+ C6H5-CH2-NH3+ and phenethylamineH+ C6H5-(CH2)2-NH3+ has been investigated experimentally in a large spectral domain and is compared to that of their ...
Broquier, Michel   +5 more
core   +4 more sources

Conversion of Phenylalanine to Phenethylamine in Patients with Phenylketonuria

open access: yesExperimental Biology and Medicine, 1963
Summary1. An increased production of phenethylamine was found in patients with phenylketonuria. 2. Phenethylamine synthesis was markedly reduced by α-methyldopa, an inhibitor of aromatic l-amino acid decarboxylase. This suggests that the synthesis of phenethylamine from phenylalanine in humans is catalyzed by this decarboxylase. 3.
J A, OATES   +4 more
openaire   +2 more sources

Interkingdom Interactions in the Gut: Ecological Mechanisms, Homeostasis, and Therapeutic Modulation

open access: yesGut Medicine, Volume 2, Issue 1, Page 23-39, March 2026.
ABSTRACT The gut microbiota constitutes a highly complex and dynamic ecosystem that profoundly influences host physiology, metabolism, and immunity. This review provides an integrative overview of the mechanisms through which gut microorganisms—particularly bacteria and fungi—interact with host cells and with each other to maintain intestinal ...
Rui‐Qi Wei   +5 more
wiley   +1 more source

Comparative chemomapping of phytoconstituents from different extracts of globe artichoke - Cynara scolymus L. [PDF]

open access: yes, 2018
L
Cziáky, Zoltán   +7 more
core  

Receptor interaction profiles of novel psychoactive tryptamines compared with classic hallucinogens [PDF]

open access: yes, 2016
The present study investigated interactions between the novel psychoactive tryptamines DiPT, 4-OH-DiPT, 4-OH-MET, 5-MeO-AMT, and 5-MeO-MiPT at monoamine receptors and transporters compared with the classic hallucinogens lysergic acid diethylamide (LSD ...
Hoener, Marius C.   +3 more
core   +1 more source

Thermometer Ions, Internal Energies, and In‐Source Fragmentation in Ambient Ionization

open access: yesMass Spectrometry Reviews, Volume 45, Issue 2, Page 260-281, March/April 2026.
ABSTRACT Ionization and fragmentation are at the core of mass spectrometry. But they are not necessarily separated in space, as in‐source fragmentation can also occur. Here, we survey the literature published since our 2005 review on the internal energy and fragmentation in electrospray ionization sources.
Emilie Bertrand, Valérie Gabelica
wiley   +1 more source

Differential mechanisms of action of the trace amines octopamine, synephrine and tyramine on the porcine coronary and mesenteric artery [PDF]

open access: yes, 2019
Trace amines such as p-tyramine, p-octopamine and p-synephrine are found in low concentrations in animals and plants. Consumption of pre-workout supplements containing these plant-derived amines has been associated with cardiovascular side effects.
Chess-Williams, Russ   +2 more
core   +1 more source

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