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Efficacy of non -thermal pressure plasma versus other modalities for disinfection of primary root canals.
BMC Oral Health
January 2025
Associate Professor of Operative Dentistry, Conservative Dentistry Department, Faculty of Oral and Dental Medicine Badr University in Cairo, Cairo, Egypt.
Background: Endodontic treatment aims in the preservation of extremely carious primary teeth. For root canal therapy to be successful, root canals must be properly prepared and effectively irrigated .Therefore, it is necessary to select the proper root canal disinfection method to preserve the primary tooth.
View Article and Find Full Text PDFDifferential neutrophil responses in murine following intraperitoneal injections of and .
Heliyon
November 2024
Department of Laboratory Medicine, Yuebei People's Hospital Affiliated to Shantou University Medical College, Shaoguan, 512025, China.
Objective: This study aimed to investigate the proportion of neutrophils among leukocytes, in various tissues following intraperitoneal injection of and in mice.
Methods: Twelve specific-pathogen free (SPF) male mice, aged eight weeks, were segregated into three groups, each containing four mice. Two of these groups were subjected to intraperitoneal injections of and , both in high concentrations, to establish mouse models of inflammation.
Deciphering the emission dynamics of colloidal PbS quantum dots: a spectroscopic exploration under diverse environmental and experimental conditions.
Nanoscale
January 2025
Department of Chemical Physics and Optics, Faculty of Mathematics and Physics, Charles University, Ke Karlovu 3, 121 16 Prague 2, Czechia.
This study employs a combination of spectroscopic techniques, including absorption, photoluminescence (PL), time-resolved PL kinetics, and transient absorption measurements, to elucidate the dynamics of excited states of oleic acid (OA)-capped colloidal PbS quantum dots (QDs) in toluene with a mean size of approximately 3 nm. PL decay profiles were properly treated employing either fitting or fitting-free models to extract average decay lifetimes and lifetime distributions. Our findings highlight the profound impact of factors such as particle concentration, size, surface treatment, and the surrounding environment on the optical properties of PbS QDs.
View Article and Find Full Text PDFArticle Synopsis
- Researchers created SiC nanoparticles coated with graphene oxide through femtosecond laser ablation in water, revealing unique structural features and silicene sheet micro-nanostructures in the solution.
- * The surfaces of the SiC showed high spatial frequency laser-induced periodic surface structures (LIPSS) with size variations linked to the resistivity of the SiC materials used.
- * The study explored the properties of annealed Au-deposited LIPSS for sensing applications, finding that rapid thermal annealing significantly enhanced surface-based detection of explosives like Tetryl through surface-enhanced Raman scattering (SERS).*
Artificial High- and Low-density Materials in Bone Mineral Densitometry Using Dual-energy X-ray Absorptiometry: A GATE Monte Carlo Simulation of "Black-hole" Artifact.
J Med Phys
September 2024
Department of Nuclear Medicine, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Objective: The objective of the study was to evaluate the effect of artificial high- and low-density materials on Bone mineral density (BMD)scans in dual-energy X-ray absorptiometry (DXA) method and emergence of black-hole artifact through GATE Monte Carlo simulation.
Materials And Methods: GATE Monte Carlo code was utilized to simulate the artifact encountered in clinical scans acquired by HOLOGIC bone densitometer. Two simplified phantoms were designed.
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