Blue emitting nitrogen-doped carbon dots were synthesized using citric acid and urea through the hydrothermal method, fluorescence quantum yield was 35.08%. We discovered that N-CDs featured excellent robust stability chemical resistance. For metronidazole detection, our exhibited quick response time, high selectivity sensitivity, low cytotoxicity. Specifically, could detect in linear range of 0-179 μM, LOD 0.25 μM. Furthermore, efficaciously quenches N-CDs, possibly owing to inner filter...

This work demonstrates a new sol-gel approach for synthesizing PbO2-doped zirconia using zircon mineral precursors. The streamlined methodology enables straightforward fabrication of the doped composites. Comprehensive materials characterization was performed XRD, SEM, and TEM techniques to analyze crystal structure, microstructure, morphology. Quantitative analysis XRD data provided insights into nanoscale crystallite sizes achieved, along with their relationship lattice imperfections....

Experiments have assessed various polymer composites for radiation shielding in diverse applications. These are lighter and non-toxic when compared to lead (Pb), making them particularly effective diagnostic imaging against low-energy photons. This study demonstrates the fabrication of four by combining a base material, specifically high-density polyethylene (HDPE) polymer, with 10% 20% silicon (Si) carbide (SiC), respectively. Additionally, 5% molybdenum (Mo) was incorporated into as heavy...

Hyperthermia is an additional treatment method to radiation therapy/chemotherapy, which increases the survival rate of patients without side effects. Nowadays, Auroshell nanoparticles have attracted much attention due their precise control over heat use for medical purposes. In this research, iron/gold were synthesised using green nanotechnology approach. gold@hematite and characterised with rosemary extract in one step by X-ray powder diffraction, SEM, high-resolution transmission electron...

The objective of the research is to develop novel materials that are both inexpensive and have a low density, while also being able endure transportation γ-photons with low-to-medium energy levels. outcome consisted four epoxy resins were strengthened different quantities heavy metallic waste. density formed composites improved from 1.134 ± 0.022 g/cm3 1.560 0.0312 when waste content was raised 0 40 weight percent. theoretical investigation determined using Monte Carlo (MCNP) simulation...

Abstract The current work aims to develop a new composite-based epoxy doped with calcinated clay for low and intermediate gamma-ray energy applications. increased material concentration between 0 60 wt% enhances the constructed composites by 21.07%, from 1.139 ± 0.011 1.379 0.013 g·cm −3 . Moreover, bonds have appeared in Fourier transform infrared analyses of fabricated composites, which confirm diffusion interactions resin. Furthermore, impacts on shielding properties were examined...

This work aims to prepare a new series of polyepoxide resins reinforced with mixture WO3 and Bi2O3 compounds. The effect replacing by on the radiation shielding parameters was experimentally evaluated using NaI (Tl) detector many radioactive sources, including 22Na, 133Ba, 137Cs, 60Co, 152Eu. linear attenuation coefficient for prepared polyepoxide-based composites improved when substituting increasing amounts Bi2O3. When increased from 2.164 2.943 cm−1 (at 33 keV) 0.073 0.104 1332 keV),...

This work investigates the optimal treatment of Minor Actinides (MAs) produced in spent fuel nuclear reactors operating around world. process is very important addressing challenges associated with waste and reducing environmental impact. A three-dimensional model a supercritical water reactor (SCWR) has been designed using MCNPX to make comprehensive neutronic analysis. MAs concentration 1% have added UO2, (Th, U)O2, 233U)O2 rgPu)O2. These fuels uploaded SCWR assembly burned separate cycle....

Tin dioxide (SnO2) nanoparticles (NPs) can be applied in several ways due to their low cost, high surface-to-volume ratio, facile synthesis, and chemical stability. There is limited research on the biomedical application of SnO2-based nanostructures. This study aimed investigate role Zn doping relation anticancer potential SnO2 NPs enhance through Z doping. Pure Zn-doped (1% 5%) were prepared using a modified sol–gel route. XRD, TEM, SEM, EDX, UV-Vis, FTIR, PL techniques used characterize...

Food-born pathogens need to be controlled in food industry. The efficiency of X ray irradiation eliminate has been shown but the efficient dose not standardized. optimum dose, which controls pathogenic bacteria and does deteriorate quality, needs studies on many different foods. energy levels X-ray treatment cycles needed control were tested. doses 0.1, 0.5, 1.0, 1.5 2.0 kGy/sec for 10 min (3 cycles) used solid liquid foods, experimentally inoculated with bacterial Campylobacter jenjuni,...

Abstract Both the Gemini TOF PET/CT and Biograph mCT flow scanners are advanced imaging systems used in clinical settings for a range of applications, including oncology, neurology, cardiology. capable producing high quality images with good spatial resolution contrast. However, there some differences between two that may impact image quality. The recovery coefficient (RC) is an important parameter to evaluate accuracy precision systems. In other hand, Standardized uptake value (SUV) A...

Abstract Despite the widespread industrial use of chromium-based compounds, there are concerns regarding their toxicity in biomedical applications. Herein, bimetallic calcium chromatite nanocomposite (CC) was prepared through green synthesis using Stevia rebaudiana leaf extract. A porous nanorod CC obtained calcinations at 800oC. The formation confirmed by SEM (scanning electron microscopy), EDAX (Energy-dispersive X-ray spectroscopy), HRTEM (High-resolution transmission TGA (Thermal...

This paper presents guidelines for the calibration of radiation beams that were issued by International Atomic Energy Agency (IAEA TRS 398), American Association Physicists in Medicine (AAPM TG 51) and German task group (DIN 6800-2). These protocols are based on use an ionization chamber calibrated terms absorbed dose to water a standard laboratory's reference quality beam, where previous air kerma standards. study aims determine uncertainties dosimetry electron beam radiotherapy using...

The purpose of the present work was to evaluate imaging characteristics 89Zr-PET in comparison with those obtained using fluorine-18 Fluorodeoxyglucose (18FFDG) PET (a gold standard tracer imaging) a small-animal NanoScan PET/CT scanner.The system's spatial resolution, sensitivity, uniformity, and image quality were measured on Nano Scan scanner according NEMA NU4-2008 protocols. For reconstruction images, we used 2D 3D algorithms. methods included filter back projection (FBP), ordered...

Date fruit is a functional food endowed with several pharmacological properties resulting from its diversified composition of nutrients and secondary metabolites. It often stored for long periods after harvest; however initial nutritional organoleptic are not always preserved. This study aimed to test the effect three doses γ radiations (0.6, 1.3, 2 kGy) on some Deglet Nour Ghars dates during ten months. pH, titratable acidity, contents total polyphenols, flavonoids ascorbate as well...