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Mandatory Requirements for Planning and Commissioning of Medical Cyclotron Facility.
Indian J Nucl Med
November 2024
Health Physics Division, Bhabha Atomic Research Centre, Mumbai, Maharashtra, India.
Over the last 15 years, there has been substantial growth in the installation of medical cyclotrons. This is mainly due to the increased demand for the production of positron emission tomography radiopharmaceuticals. In every country, there is a regulatory body that regulates the uses of medical cyclotron intending to protect occupational workers, the public, and the environment.
View Article and Find Full Text PDFSpin Canting Promoted Manipulation of Exchange Bias in a Perpendicular Coupled FeGaTe/CrSBr Magnetic van der Waals Heterostructure.
ACS Nano
January 2025
Center of Free Electron Laser & High Magnetic Field, Information Materials and Intelligent Sensing Laboratory of Anhui Province, Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, China.
Recently, two-dimensional (2D) van der Waals (vdW) magnetic materials have emerged as a promising platform for studying exchange bias (EB) phenomena due to their atomically flat surfaces and highly versatile stacking configurations. Although complex spin configurations between 2D vdW interfaces introduce challenges in understanding their underlying mechanisms, they can offer more possibilities in realizing effective manipulations. In this study, we present a spin-orthogonal arranged 2D FeGaTe (FGaT)/CrSBr vdW heterostructure, realizing the EB effect with the bias field as large as 1730 Oe at 2 K.
View Article and Find Full Text PDFSafety and Effectiveness of a New 532 nm, Long Pulse-Duration, Variable Pulse Structure Laser for Treatment of Poikiloderma of Civatte.
Lasers Surg Med
January 2025
Main Line Center for Laser Surgery, Ardmore, Pennsylvania, USA.
Background: Poikiloderma of Civatte is a benign skin condition characterized by reticulate erythema and hyperpigmentation in sun-exposed areas, predominantly on the neck, cheeks, and chest. Chronic UV exposure leads to vascular proliferation and red cell extravasation resulting in hemosiderin and melanin deposition. While many light-based modalities have been utilized to treat the disorder, the significant vascularity makes it ideally suited for treatment with vascular lasers.
View Article and Find Full Text PDFCoupling mechanisms of plasmon resonance and Bi3+ emission in YAG: Bi, Ce, Yb epitaxial films at low temperatures.
Sci Rep
January 2025
Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, Warsaw, 02-668, Poland.
This paper is devoted to the investigation of the plasmonic effect of metal nanoparticles (NPs) formed on the surface of the YAG: Bi, Ce, Yb phosphors in a temperature range between 4 and 300 K. Combination of a thin conversion layer with silver plasmonic nanostructures leads to increase of sensitizer absorption and emission efficiency. Enhancement of Bi luminescence in YAG epitaxial films with Ag NPs was observed upon cooling the samples below 200 K.
View Article and Find Full Text PDFEnvironment friendly pesticide formulation by adding certain adjuvants and their biological performance against Sitophilus oryzae (L.).
Sci Rep
January 2025
Pesticide Formulation Research Department, Central Agriculture Pesticides Laboratory, Agricultural Research Center, Alexandria, Egypt.
Formulation and adjuvant technologies can facilitate the use of insecticides that have higher biological efficiency application features. Safety, physicochemical properties by increasing consumer demand for safe food and enhancing operator safety. The aim of this current work was to develop a green efficient, and stable pesticide formulation.
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