Photocatalytic degradation performance of a chitosan/ZnO-FeO nanocomposite over cationic and anionic dyes under visible-light irradiation.

The sonochemical synthesis of a chitosan-ZnO/FeO nanocomposite yielded a highly porous structure and large surface area for enhancing the photocatalytic degradation of cationic (rhodamine B, RhB) and anionic (methyl orange, MO) dyes in aqueous solution. Chitosan-ZnO/FeO demonstrated a significant enhancement in photodegradation efficiency 99.49% for MO ( = 5.

Unlocking new possibility of FeO@C@Ag nanostructures as an advanced SERS substrate for ultrasensitive detection of low-cross-section urea biomolecules.

Surface-enhanced Raman spectroscopy (SERS) is widely recognized as a powerful analytical technique, offering molecular identification by amplifying characteristic vibrational signals, even at the single-molecule level. While SERS has been successfully applied for a wide range of targets including pesticides, dyes, bacteria, and pharmaceuticals, it has struggled with the detection of molecules with inherently low Raman scattering cross-sections. Urea, a key nitrogen-containing biomolecule and the diamide of carbonic acid, is a prime example of such a challenging target.

Health-related Quality of Life Among Comorbidity Patients With Type 2 Diabetes Mellitus and Hypertension.

Background: Evaluating the Health-Related Quality of Life (HRQoL) in patients with hypertension and diabetes is vital for improving treatment adherence and outcomes.

Objective: This study assessed HRQoL and its influencing factors among patients with both type 2 diabetes mellitus and hypertension at Can Tho Hospital, Vietnam.

Methods: A cross-sectional study was performed on 310 outpatients at the polyclinic, using the Short Form-36 Health Survey (SF-36) between July 2021 and July 2022.

Innovative multi-criteria risk assessment framework for unsanitary, closed landfills: Integrating the fuzzy analytic hierarchy process with a weighted geometric mean approach.

In the past, unsanitary landfills were a common method for municipal solid waste disposal in developing countries. Although many nations have closed these landfills, the environmental pollution risks and impacts persist. This study introduces a new multi-criteria risk assessment framework specifically designed for closed, unsanitary landfills.

Levofloxacin for the Prevention of Multidrug-Resistant Tuberculosis in Vietnam.

Background: Prevention of drug-resistant tuberculosis is a global health priority. However, trials evaluating the effectiveness of treating infection among contacts of persons with drug-resistant tuberculosis are lacking.

Methods: We conducted a double-blind, randomized, controlled trial comparing 6 months of daily levofloxacin (weight-based doses) with placebo to treat infection.