Modulating the properties of g-C3N4 through two-step annealing and ionic-liquid gating.

We reported a novel strategy by the combination of two-step annealing treatment and ionic-liquid gating technology for effectively regulating the properties of g-C3N4, especially largely reducing the recombination rate of the electron-hole pairs, with evidenced by the remarkable reduction of photoluminescence (PL) intensity. Firstly, graphitic carbon nitrides with typical layered structure were obtained by annealing melamine with temperature above 500°C. Further annealing at 600°C with much longer time (from 2 hours to 12 hours) were found to effectively reduce the imperfections or defects, and thus the PL intensity (49% reduction).

Eu-doped ZnO quantum dots: structure, vibration characteristics, optical properties, and energy transfer process.

This article studies the synthesis, as well as the structural, vibrational, and optical properties of Eu-doped ZnO quantum dots (QDs) and investigates the energy transfer mechanism from the ZnO host to Eu ions using Reisfeld's approximation. Eu-doped ZnO QDs at varying concentrations (0-7%) were successfully prepared using a wet chemical method. The successful doping of Eu ions into the ZnO host lattice, as well as the composition and valence states of the elements present in the sample, were confirmed through X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) analyses.

Emotional Competence of Healthcare Workers and Its Impact on Patient Loyalty in Vietnamese Hospitals.

Objective: To evaluate the effect of healthcare employees' emotional competence (EC) on patient loyalty in public and private hospitals in Ho Chi Minh City, with a focus on the mediating roles of respect, trust, and rapport.

Method: A survey of 244 patients measured respect, trust, rapport, EC, and patient loyalty using a 5-point Likert scale. Structural equation modeling (SEM) was applied to assess the relationships between EC and patient loyalty, comparing results between public and private hospitals.

Nonlinear Thomson scattering: velocity asymmetry inherent in electron figure-8 motion.

The individual polarization components of nonlinear Thomson scattering arise from the separate dimensions of electron figure-8 motion caused by a linearly polarized laser field. We present the first measurements of nonlinear Thomson scattering in both emission hemispheres. In the electron average rest frame, the shape of the electron figure-8 path is symmetric about the laser polarization dimension.

Withanolide derivatives: natural compounds with anticancer potential offer low toxicity to fertility and ovarian follicles in mice.

Anticancer therapy often leads to premature ovarian insufficiency (POI) and infertility due to the extreme sensitivity of the ovarian follicle reserve to the effects of chemotherapy. Withanolides are known for their cytotoxic effect on cancer cells and low cytotoxicity on non-malignant or healthy cells. Therefore, this study aimed to investigate the effects of three withanolides derivatives: 27-dehydroxy-24,25-epoxywithaferin A (WT1), 27-dehydroxywithaferin A (WT2), and withaferin A (WTA) on fertility, and the ovarian preantral follicles of young female mice.