Results 191 to 200 of about 21,750 (299)

A Sensitive and Comprehensive LC‐MS/MS Method for the Analysis of Hallucinogens, Synthetic Cathinones, and Synthetic Cannabinoids in Urine Samples

open access: yesJournal of Mass Spectrometry, Volume 60, Issue 10, October 2025.
ABSTRACT The laboratory analysis of new psychoactive substances and related drugs is crucial for accurate clinical and forensic diagnosis of poisonings. Given this, a new LC‐MS/MS method for analyzing hallucinogens, synthetic cathinones, and synthetic cannabinoids in urine was developed.
Bruno Pereira dos Santos   +6 more
wiley   +1 more source

Haemoproteus spp. and Leukocytozoon spp. in a Captive Raptor Population [PDF]

open access: bronze, 2004
Mel Ziman   +3 more
openalex   +1 more source

Identifying Oxysterols Associated With Age and Diet in Mice Using Optimized Reversed‐phase Liquid Chromatography‐Mass Spectrometry (RPLC‐MS)

open access: yesJournal of Separation Science, Volume 48, Issue 10, October 2025.
ABSTRACT Structurally similar oxysterols such as 7α‐hydroxycholesterol, 7β‐hydroxycholesterol, and 7‐ketocholesterol; 5,6α‐ and 5,6β‐epoxycholesterol; and 24(R/S)‐hydroxy cholesterol, 25‐hydroxy cholesterol, and 27‐hydroxycholesterol are traditionally difficult to resolve using reversed‐phase liquid chromatography (RPLC). We present a simple yet highly
Indhumathy Subramaniyan   +5 more
wiley   +1 more source

Exploring the role of mTOR pathway in aging and age-related disorders. [PDF]

open access: yesEXCLI J
Raghuvanshi K   +6 more
europepmc   +1 more source

G Protein‐Coupled Receptor Signaling: Implications and Therapeutic Development Advances in Cancers

open access: yesMedComm, Volume 6, Issue 10, October 2025.
G protein‐coupled receptors (GPCRs) are the dynamic protein family in the human genome. GPCR dysregulation aids in the advancement of cancer through increased migration, survival, and proliferation. Novel treatments that target GPCR signaling include orthosteric ligands, biased receptor mutants, PROTACs, and antibody–drug conjugates.
Inamu Rashid Khan   +6 more
wiley   +1 more source

Engineered Multicolor NIR‐I/II Fluorescent Proteins for Precise In Vivo Visualization and Imaging‐Guided Surgery

open access: yesSmartMat, Volume 6, Issue 5, October 2025.
The engineered multifunctional and multi‐channel NIR‐I/II fluorescent protein platform constructed by this strategy exhibits excellent biocompatibility and robustness, enabling researchers to effectively study complex biological phenomena and possesses long‐term clinical transformation potential.
Zetao Dang   +9 more
wiley   +1 more source

Neuroglobin regulates autophagy through mTORC1/RAPTOR/ULK-1 pathway in human neuroblastoma cells. [PDF]

open access: yesSci Rep
Manganelli V   +12 more
europepmc   +1 more source

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