Results 191 to 200 of about 552,793 (295)

Characterization of the Nature of Organic Matter in Carbonate Rocks: Implications for Geological and Environmental Studies

open access: yesJournal of Geophysical Research: Biogeosciences, Volume 131, Issue 3, March 2026.
Abstract Organic matter in carbonate rocks plays a crucial role in processes such as fluid flow regulation, carbon sequestration, contaminant transport, and hydrocarbon recovery. This study employed multimodal spectroscopic techniques, including fluorescence imaging and Fourier transform infrared (FTIR) spectroscopy, to characterize the spatial ...
Alicia Moya   +9 more
wiley   +1 more source

Tobacco Smoking and Smoke‐Free Products as Risk Factors for Dental Implants: A Systematic Review

open access: yesClinical Oral Implants Research, Volume 37, Issue 3, Page 262-286, March 2026.
ABSTRACT Objectives This systematic review aimed to investigate the effect of tobacco smoking and smoke‐free products as risk factors for dental implants. Materials and Methods Three databases were searched to identify studies reporting on the risk of implant failure/survival in tobacco smokers or smoke‐free users as compared to non‐smokers in studies ...
Calciolari Elena   +4 more
wiley   +1 more source

Effects of graphene oxide agglomerates on workability, hydration, microstructure and compressive strength of cement paste

open access: yes, 2017
Xiangyu Li   +6 more
semanticscholar   +1 more source

δ‐Bismuth Oxide Responsible for Tooth Discolouration—A Laboratory Investigation

open access: yesInternational Endodontic Journal, Volume 59, Issue 3, Page 538-548, March 2026.
ABSTRACT Aims To investigate the phase changes of bismuth oxide in contact with sodium hypochlorite responsible for tooth discolouration. Methodology Bismuth oxide (monoclinic α−phase; C) was mixed with sodium hypochlorite at 20°C, 37°C, and 60°C (B20, B37, B60) for a period of 24 weeks with weekly refreshing of solutions.
J. Camilleri, P. Zaslansky, N. Ramanan
wiley   +1 more source

Consensus‐Based Recommendations on Pulp Therapies in Primary and Permanent Teeth: IAPD Porto Forum

open access: yesInternational Journal of Paediatric Dentistry, Volume 36, Issue 2, Page 371-386, March 2026.
ABSTRACT Background Recent understanding of pulp biology has shifted treatment paradigms toward preservation‐based approaches. Traditional diagnostic terminology and treatment protocols require updating to align with current evidence supporting the pulp's healing capacity.
Vineet Dhar   +15 more
wiley   +1 more source

Circular Alkali‐Activated Cements Based on EAF Slags and Biomass Bottom Ash Using Rice Husk Ash–Derived Sodium Silicate

open access: yesJournal of the American Ceramic Society, Volume 109, Issue 3, March 2026.
ABSTRACT This study investigates sodium silicate (SS) solutions derived from rice husk ash (RHA) dissolved in 8 M NaOH as sustainable activators for alkali‐activated cements (AACs), compared with commercial SS. AACs were produced using a 50:50 blend of electric arc furnace slag (EAFS) and biomass bottom ash (BA). The effects of NaOH/RHA ratio (6.6–2.8)
A. Muñoz‐Castillo   +2 more
wiley   +1 more source

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