Research for novel compounds that may block bacterial development has continued and prompted by antibiotic-resistant bacteria. The expenses of community for health care as a result of antibiotic resistance has indeed been remarkable during the last decades and demand immediate of medical attention. Consequently, this research presents the antibacterial effect of genuine metal oxide nanoparticles against () and that have been isolated from urinary tract infection patients. This is because metal oxide nanomaterials have already been utilised a compromise with some of its comprehensive implementations throughout the pharmaceutical and biological disciplines of nano-biotechnology. The biological activity of zirconium oxide (ZrO) nanoparticles against bacteria is investigated using agar well diffusion approach. The antibacterial efficiency of nanoparticles on and using both qualitative and quantitative assessment approaches is appraised. Specifically, an aseptic technique is used to collect fifty urine samples into sterile tubes. To inoculate the patients' midstream urine on both blood agar and MacConkey agar plates, the direct streaking approach is employed. Scanning electron microscopy (SEM) and X-Ray diffraction (XRD) techniques are used to signify the physical features nanoparticle including shape and size. The identified cubic components of SEM and XRD techniques indicate the existence of ZrO nanoparticles and magnetic nanoparticles of particle size ranges between 5 to 50 nm. According to the data, ZrO nanoparticles have a bacteriostatic effect at 0.1 mg/ml with an absorption of 0.2 and a bactericidal effect at 2 mg/ml with an absorption of 0.007 on E. col isolates. Additionally, ZrO nanoparticles exhibit bacteriostatic (at 0.1 mg/ml with absorption of 0.3) and bactericidal (at 2 mg/ml with absorption of 0.001) effects on isolates. Among all the antibiotics utilised, gentamicin shows the lowest rate of resistance, suggesting that it is more effective against and when ZrO is presented.
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http://dx.doi.org/10.1007/s12088-024-01271-0 | DOI Listing |
ChemSusChem
December 2024
Green Carbon Research Center, Korea Research Institute of Chemical Technology, Daejeon, 34114, Republic of Korea.
Pentose oxidation and reduction, processes yielding value-added sugar-derived acids and alcohols, typically involve separate procedures necessitating distinct reaction conditions. In this study, a novel one-pot reaction for the concurrent production of xylonic acid and xylitol from xylose is proposed. This reaction was executed at ambient temperature in the presence of a base, eliminating the need for external gases, by leveraging Pt-supported catalysts.
View Article and Find Full Text PDFACS Appl Mater Interfaces
December 2024
Department of Chemistry, Stony Brook University, Stony Brook, New York 11794-3400, United States.
Artificial N fixation via the electrocatalytic nitrogen (N) reduction reaction (NRR) has been recently promoted as a rational route toward reducing energy consumption and CO emission as compared with the traditional Haber-Bosch process. Nevertheless, optimizing NRR relies on developing highly efficient electrocatalysts. Herein, we report on the reliable and reproducible synthesis of two promising electrocatalysts in either the presence or absence of Ketjenblack (KB), namely, ZrO-ZrN@KB and ZrO-ZrN systems, synthesized through the nitriding of Zr.
View Article and Find Full Text PDFIndian J Microbiol
December 2024
Technical Institute of Baquba, Middle Technical University, Baquba, 32001 Iraq.
Research for novel compounds that may block bacterial development has continued and prompted by antibiotic-resistant bacteria. The expenses of community for health care as a result of antibiotic resistance has indeed been remarkable during the last decades and demand immediate of medical attention. Consequently, this research presents the antibacterial effect of genuine metal oxide nanoparticles against () and that have been isolated from urinary tract infection patients.
View Article and Find Full Text PDFSaudi Dent J
November 2024
Department of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia.
Objective: This study investigates the flexural strength and elastic modulus of three-dimension (3D) printed interim resin (ASIGA) incorporating zirconium dioxide (nano-ZrO) and silicon dioxide (nano-SiO) nanoparticles (NPs) with different build direction and after artificial aging.
Methods: Three hundred 3D-printed specimens were used for testing. Groups were modified with nano-ZrO or nano-SiO at concentrations of 0.
Materials (Basel)
November 2024
INSTM Reference Laboratory for Engineering of Surface Treatments via Eudossiana 18, Department of Chemical Engineering, Materials, Environment, Sapienza University of Rome, 00184 Rome, Italy.
High phosphorus Ni-P coatings, both unreinforced and modified by the addition of alumina (AlO) and zirconia (ZrO) nanoparticles, were manufactured by electroless deposition technique and heat-treated with different temperature and duration schedules. The effect of dehydrogenation (200 °C for 2 h) and its combination with crystallization heat treatment was studied in terms of microstructural changes and wear resistance. The amorphous structure of the coatings was not altered by the introduction of both AlO and ZrO nanoparticles, and the addition of 1.
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