Results 61 to 70 of about 26,069 (224)

In Vitro and Clinical Evaluation of Potential Interactions of Bemnifosbuvir with Drug‐Metabolizing Enzymes

open access: yesThe Journal of Clinical Pharmacology, Volume 66, Issue 5, May 2026.
Abstract Bemnifosbuvir is a novel oral guanosine nucleotide prodrug with potent pan‐genotypic inhibitory activity against hepatitis C virus. In vitro studies assessing the inhibition or induction potential of bemnifosbuvir on the CYP450 and UGT1A1 enzymes demonstrated that bemnifosbuvir is a weak inducer and a reversible and time‐dependent inhibitor of
Xiao‐Jian Zhou   +10 more
wiley   +1 more source

Obsidian at the Maddalena di Muccia (Marche, Central Italy) Archaeological Site: Evidence for Three Volcanic Sources in a Multi-Phase Context

open access: yesHeritage
This paper presents the compositional characterisation of obsidian artefacts from the archaeological site of Maddalena di Muccia (Marche, Central Italy).
Pasquale Acquafredda   +4 more
doaj   +1 more source

Dating of recent low sea level and Maori rock carvings Ongari Point [PDF]

open access: yes, 1968
A sea level of at least 1.5ft below the present one, and contemporaneous rock carvings have a radiocarbon date of 180±50 years B ...
Schofield, J.C.
core   +1 more source

Silica in Protoplanetary Disks

open access: yes, 2008
Mid-infrared spectra of a few T Tauri stars (TTS) taken with the Infrared Spectrograph (IRS) on board the Spitzer Space Telescope show prominent narrow emission features indicating silica (crystalline silicon dioxide).
A. Li   +82 more
core   +1 more source

Mobile spectroscopic instrumentation in archaeometry research [PDF]

open access: yes, 2016
Mobile instrumentation is of growing importance to archaeometry research. Equipment is utilized in the field or at museums, thus avoiding transportation or risk of damage to valuable artifacts.
Donais, MK, Vandenabeele, Peter
core   +2 more sources

Reconstructing the Holocene explosive eruptive history of the Erciyes volcano (Turkey) using proximal and distal tephra records

open access: yesJournal of Quaternary Science, Volume 41, Issue 4, Page 645-659, May 2026.
ABSTRACT Mount Erciyes, the largest active volcano of Central Anatolia (Turkey), erupted explosively during the Holocene, producing the Karagüllü, Perikartin and Dikkartin tuff rings. Even though major cities like Kayseri and its ~1 million residents sit directly on these pyroclastic deposits, the timing and magnitude of the explosive eruptions have ...
Ivan Sunyé‐Puchol   +12 more
wiley   +1 more source

Sourcing obsidian from prehistoric sites in northwest Romania

open access: yesMateriale și Cercetări Arheologice, 2018
Portable X‐ ray Fluorescence Spectroscopy (pXRF) was used to reveal the chemical signatures of 75 obsidian artefacts from seven sites in the Satu Mare region, ranging in age from Early Neolithic (late Starčevo‐ Criș culture) to Late Copper Age.
Boroneanț, A.   +3 more
doaj   +1 more source

Importation of Obsidian at Cerro Palenque, Honduras: Results of an Analysis by EDXRF

open access: yes, 2004
The results of source analysis by EDXRF of obsidian artifacts from the Mesoamerican site of Cerro Palenque in Honduras are reported and changes over time discussed. Sources of obsidian include Ixtepeque, El Chayal, Jalapa, San Martin Jilotepeque, and San
Hendon, Julia A.
core  

The early Cycladic settlement at Dhaskalio, Keros: preliminary report of the 2008 excavation season [PDF]

open access: yes, 2009
The 2008 excavations on the small island of Dhaskalio opposite Dhaskalio Kavos on the Cycladic island of Keros are reviewed. An account is given of the survey, recording many walls of the early Bronze Age, and of the excavations, continued from the 2007 ...
Brodie, N.   +3 more
core   +1 more source

‘Manure gets into your veins’: Navigating plural valuation among rural landowners upstream from a Tribe‐led restoration project

open access: yesPeople and Nature, Volume 8, Issue 5, Page 1309-1327, May 2026.
Abstract Ecological restoration projects with diverse interest groups face the continual challenge of engaging values, goals and cultures that may vary greatly among partners. As part of an eco‐cultural, riparian restoration project led by the Northwestern Band of the Shoshone Nation, our research examines the instrumental, relational and intrinsic ...
Sarah Woodbury   +3 more
wiley   +1 more source

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