Background: Recently, the use of nanotechnology has been expanding very rapidly in diverse areas research, such as consumer products, energy, materials, and medicine. This is especially true area nanomedicine, due to physicochemical properties, mechanical, chemical, magnetic, optical, electrical compared with bulk materials. The first goal this study was produce silver nanoparticles (AgNPs) using two different biological resources reducing agents, Bacillus tequilensis Calocybe indica ....

Gold nanoparticles (AuNPs) are a fascinating class of nanomaterial that can be used for wide range biomedical applications, including bio-imaging, lateral flow assays, environmental detection and purification, data storage, drug delivery, biomarkers, catalysis, chemical sensors, DNA detection. Biological synthesis appears to simple, cost-effective, non-toxic, easy use controlling size, shape, stability, which is unlike the chemically synthesized nanoparticles. The aim this study was...

Abstract A one-dimensional (1D) nanostructure having a porous network is an exceptional photocatalytic material to generate hydrogen (H 2 ) and decontaminate wastewater using solar energy. In this report, we synthesized nanoporous 1D microrods of graphitic carbon nitride (g-C 3 N 4 via facile template-free chemical approach at room temperature. The use concentrated acids induced etching lift-off because strong oxidation protonation. Compared with the bulk g-C , microrod structure showed five...

Silver nanoparticles (AgNPs) are prominent group of nanomaterials and recognized for their diverse applications in various health sectors. This study aimed to synthesize the AgNPs using leaf extract Artemisia princeps as a bio-reductant. Furthermore, we evaluated multidimensional effect biologically synthesized Helicobacter pylori, felis, human lung (L132) carcinoma (A549) cells. UV-visible (UV-vis) spectroscopy confirmed synthesis AgNPs. X-ray diffraction (XRD) indicated that specifically...

Abstract Fine control over the physicochemical structures of carbon electrocatalysts is important for improving sluggish oxygen reduction reaction (ORR) and evolution (OER) in rechargeable Zn–air batteries. Covalent organic frameworks (COFs) are considered good candidate materials because their can be precisely controlled. However, it remains a challenge to impart bifunctional electrocatalytic activities both ORR OER COFs. Herein, pyridine‐linked triazine covalent framework (PTCOF) with...

Organic solid electrolytes offer an effective route for safe and high-energy-density all-solid-state Li metal batteries. However, it remains a challenge to devise new strategy promote the dissociation of strong ion pairs transport ionic components in organic electrolytes. Herein, zwitterionic covalent framework (Zwitt-COF) with well-defined chemical pore structures is prepared as electrolyte capable accelerating ions. The Zwitt-COF exhibits high room-temperature conductivity 1.65 × 10-4 S...

Objective: Graphene represents a monolayer or few layers of sp 2 -bonded carbon atoms with honeycomb lattice structure. Unique physical, chemical, and biological properties graphene have attracted great interest in various fields including electronics, energy, material industry, medicine, where it is used for tissue engineering scaffolding, drug delivery, as an antibacterial anticancer agent. However, cytotoxicity ovarian cancer cells still not fully investigated. The objective this study...

Effective photocatalysts and their surface engineering are essential for the efficient conversion of solar energy into chemical in photocatalyzed organic transformations. Herein, we report an effective approach structuring Pd nanoparticles (NPs) on exfoliated 2H-WS2 nanosheets (WS2/PdNPs), resulting hybrids with extraordinary photocatalytic activity Suzuki reactions under visible light. NPs different sizes densities, which can modulate as-prepared WS2/PdNPs, were effectively structured basal...

Visible-light-driven photocatalysis has been emerging as an efficient and sustainable approach for chemical transformation in organic reactions, which photostable cost-effective photosensitizers are required to trigger promote it. Monolayer WS2 nanosheets smaller than 120 nm were prepared by means of a modified liquid exfoliation method, they showed strong photoluminescence the visible range electromagnetic spectrum from 450 650 nm. These photoactive exploited photocatalysts oxidative...

Precise control over doping of photocatalysts is required to modulate their photocatalytic activity in visible light‐driven reactions. Here, a single precursor‐employing bottom‐up approach developed produce different heteroatom‐doped graphene quantum dots (GQDs) with unique activities. The solvothermal reaction norepinephrine precursor redox active and condensable moieties effectively produces both nitrogen/sulfur codoped GQDs (NS‐GQDs) nitrogen‐doped (N‐GQDs) by simply varying solvents...

Background: Silver nanoparticles (AgNPs) possess unique physical, chemical, and biological properties. AgNPs have been increasingly used as anticancer, antiangiogenic, antibacterial agents for the treatment of bacterial infections in open wounds well ointments, bandages, wound dressings. The present study aimed to investigate effects two different sizes (10 nm 20 nm) male somatic Leydig (TM3) Sertoli (TM4) cells spermatogonial stem (SSCs). Methods: Here, we demonstrate a green simple method...

Organic solid electrolytes compatible with all-solid-state Li metal batteries (LMBs) are essential to ensuring battery safety, high energy density, and long-term cycling performance. However, it remains a challenge develop an approach provide organic capabilities for the facile dissociation of strong Li-ion pairs fast transport ionic components. Herein, diethylene glycol-modified pyridinium covalent framework (DEG-PMCOF) well-defined periodic structure is prepared as multicomponent...

Background: Graphene is a novel two-dimensional planar nanocomposite material consisting of rings carbon atoms with hexagonal lattice structure. exhibits unique physical, chemical, mechanical, electrical, elasticity, and cytocompatible properties that lead to many potential biomedical applications. Nevertheless, the water-insoluble property graphene restricts its application in various aspects fields. Therefore, objective this work was find biological approach for an efficient method...

Background: Recently, graphene and graphene-related materials have attracted much attention due their unique properties, such as physical, chemical, biocompatibility properties. This study aimed to determine the cytotoxic effects of oxide (GO) that is reduced biologically using Ganoderma spp. mushroom extracts in MDA-MB-231 human breast cancer cells. Methods: Herein, we describe a facile green method for reduction GO reducing agent. was without any hazardous chemicals an aqueous solution,...

Modulating the dimensions and phases of transition metal dichalcogenides is great interest to enhance their intrinsic properties or create new physicochemical properties. Herein, we report an effective approach synthesize 2H-WS2 quantum dots (QDs) via dimension phase engineering 1T-WS2 nanosheets. The solvothermal reaction chemically exfoliated nanosheets in N-methyl-2-pyrrolidone (NMP) under N2 atmosphere induced chopping at lower temperature produce QDs with a high yield (5.5 ± 0.3%)....

This is a study on the effects of pre-heating temperature selective laser melting (SLM) process microstructure and mechanical characteristics CoCrMo alloy specimens. Specimens were created using 36 conditions at temperatures 50, 100, 150 °C, high-density with 99.99% density or higher presented. The changes such as microstructure, characteristics, residual stress observed according to temperature. phase transformation from FCC α -Co martensitic ε-Co was inhibited because cooling speed...

Performance of electrocatalyst in an aqueous electrolyte is greatly influenced by the structure electrolyte-electrocatalyst interface. Regulating mass transfer important controlling surface reactions to alter overall reaction kinetics. Thus, modification interfacial structures effective approach improving electrocatalytic performance. In this paper, we report use functionalized amine-based covalent organic frameworks (COFs) as modifier properties facilitating proton hydrogen evolution (HER)...

Background: Silver nanoparticles (AgNPs) have attracted much interest and been used for antibacterial, antifungal, anticancer, antiangiogenic applications because of their unique properties. The increased usage AgNPs leads to a potential hazard human health. However, the effects on animal models are not clear. This study was designed investigate impact pregnant mice. Methods: synthesis performed using culture extracts Bacillus cereus . synthesized were characterized by X-ray diffraction,...

Fabrication of 1-D ZnTiO₃ nanofibers and 2-D g-C₃N₄ based hybrid heterojunctions their H₂ evolution from water splitting under visible light irradiation.

Nickel boride (Ni2B) is known to be an excellent catalyst for hydrogenation of olefin structures under mild reaction conditions. Its susceptibility oxidation in air environments, however, limits its practical applications. Here, a hydrazine-passivated nickel boride/nickel (NiBx/Ni) heterostructured developed address the problem while improving conversion efficiency styrene ethylbenzene real polystyrene (PS) pyrolysis oil. The calculated turnover frequency 24.9 mmol/h·g, with 99.9%...

ABSTRACT Objectives: To investigate individual variations and outliers in cortical thickness among non‐alcoholic fatty liver disease (NAFLD) patients, ranging from hepatic steatosis to fibrosis, using neuroanatomical normative modeling. Materials Methods: A cross‐sectional study with 2637 health check‐up subjects was conducted. Among NAFLD ( n = 556) fibrosis 57) were determined by index fibrosis‐4 score, respectively. Cortical 148 different brain regions assessed T1‐weighted MRI scans....

We report the visible-light photocatalytic properties of a composite system consisting silver quantum clusters [Ag9 (H2 MSA)7 ] MSA=mercaptosuccinic acid) embedded on graphitic carbon nitride nanosheets (AgQCs-GCN). The composites were prepared through simple chemical route; their structural, chemical, morphological, and optical characterized by using X-ray diffraction (XRD), energy dispersive spectroscopy, transmission electron microscopy, UV/Vis diffuse reflectance photoluminescence...