Superhydrophilic on air/superoleophobic underwater membranes prepared by electrochemical formation of CuI for water–oil separation: Preparation, performance, water corrosion and biofouling studies DOI
Ivana K. Levy, Antonela Cánneva, R. Martı́n Negri

и другие.

Materials Chemistry and Physics, Год журнала: 2025, Номер unknown, С. 130425 - 130425

Опубликована: Янв. 1, 2025

Язык: Английский

Influence of biosynthesized magnesium oxide nanoparticles on growth and physiological aspects of cowpea (Vigna unguiculata L.) plant, cowpea beetle, and cytotoxicity DOI Open Access
Nilly A. H. Abdelfattah,

Manar Ali Yousef,

Ali A. Badawy

и другие.

Biotechnology Journal, Год журнала: 2023, Номер 18(12)

Опубликована: Авг. 24, 2023

Recently, agricultural management innovation has incorporated engineered nanoparticles. The current investigation was carried out to produce magnesium oxide nanoparticles (MgONPs) for the first time applying S. cerevisiae extract. FTIR, XRD, HRTEM, and zeta potential analysis were used characterize MgONPs. FTIR data show that bioactive substances reduce cap synthesized crystalline metallic MgONPs had four significant peaks in XRD pattern. size form of validated by TEM, which exhibited spherical structures with an average 27 nm. effect various dosages administered cowpea (Vigna unguiculata L.) plant on all vitro parameters shown be study. concentration 200 ppm most treatment increased shoot length, dry-weight root 27.35%, 45.09%, 31.91% when compared untreated plants. significantly photosynthetic pigments, 150 increasing soluble proteins carbohydrates. effectively treated C. maculatus, dose time-dependent insecticidal activity. death rates varied 82.66% 100% fifth day. Biochemical histopathological studies rats investigated. Rats showed higher GOT, GPT, Urea levels, but lower creatinine, indicating differences. MgONPs-treated rats' liver mild moderate histopathologic changes, including portal blood vessel congestion, lymphocytic cholangitis, degenerative changes. improve development outcomes suppress grain insects (C. maculatus).

Язык: Английский

Процитировано

40

An Explorative Review on Advanced Approaches to Overcome Bacterial Resistance by Curbing Bacterial Biofilm Formation DOI Creative Commons

F Mohamad,

Raghad Alzahrani, Ahlam Alsaadi

и другие.

Infection and Drug Resistance, Год журнала: 2023, Номер Volume 16, С. 19 - 49

Опубликована: Янв. 1, 2023

Abstract: The continuous emergence of multidrug-resistant pathogens evoked the development innovative approaches targeting virulence factors unique to their pathogenic cascade. These aimed explore anti-virulence or anti-infective therapies. There are evident concerns regarding bacterial ability create a superstructure, biofilm. Biofilm formation is crucial factor causing difficult-to-treat, localized, and systemic infections. microenvironments biofilm reduce efficacy antibiotics evade host’s immunity. Producing not limited specific group bacteria; however, Pseudomonas aeruginosa, Acinetobacter baumannii , Staphylococcus aureus biofilms exemplary models. This review discusses as link antimicrobial resistance. In addition, it explores insights into multi-targeted physiological mechanisms combat biofilms, including natural compounds, phages, photodynamic therapy (aPDT), CRISPR-Cas gene editing, nano-mediated techniques. Keywords: aPDT, CRISPR, nanotechnology

Язык: Английский

Процитировано

37

Comparative analysis of phyto-fabricated chitosan, copper oxide, and chitosan-based CuO nanoparticles: antibacterial potential against Acinetobacter baumannii isolates and anticancer activity against HepG2 cell lines DOI Creative Commons
Muhammad Hassan Sarfraz, Muhammad Zubaır, Bilal Aslam

и другие.

Frontiers in Microbiology, Год журнала: 2023, Номер 14

Опубликована: Май 31, 2023

The aim of this study was to provide a comparative analysis chitosan (CH), copper oxide (CuO), and chitosan-based (CH-CuO) nanoparticles for their application in the healthcare sector. were synthesized by green approach using extract Trianthema portulacastrum. characterized different techniques, such as synthesis particles, which confirmed UV-visible spectrometry that showed absorbance at 300 nm, 255 275 nm CH, CuO, CH-CuO nanoparticles, respectively. spherical morphology presence active functional groups validated SEM, TEM, FTIR analysis. crystalline nature particles verified XRD spectrum, average crystallite sizes 33.54 20.13 24.14 obtained, evaluated vitro antibacterial antibiofilm potential against Acinetobacter baumannii isolates, where potent activities exhibited nanoparticles. bioassay antioxidant activity also DPPH scavenging all This anticancer HepG2 cell lines, maximum inhibitions 54, 75, 84% recorded, phase contrast microscopy, treated cells deformed morphologies. demonstrates nanoparticle an effective agent, having with its activity, cancer treatment.

Язык: Английский

Процитировано

33

Preparation of new surface coating based on modified oil-based polymers blended with ZnO and CuZnO NPs for steel protection DOI Creative Commons

Roma. G. Elfadel,

Hala M. Refat,

H. Abd El‐Wahab

и другие.

Scientific Reports, Год журнала: 2023, Номер 13(1)

Опубликована: Май 4, 2023

In our paper, we have synthesized modified PEA and alkyd resin by replacing the new source of polyol (SDEA) which was confirmed different analyses such as IR, 1HNMR spectra. A series conformal, novel, low-cost, eco-friendly hyperbranched resins were fabricated with bio ZnO, CuO/ZnO) NPs through an ex-situ method for mechanical anticorrosive coatings. The biometal oxides its composite FTIR, SEM EDEX, TEM, TGA, can be stably dispersed into at a low weight fraction 1%. nanocomposite coating also subjected to various tests determine their surface adhesion, ranged from (4B-5B), physico-mechanical characteristics scratch hardness, improved < 1.5 > 2 kg, gloss (100-135) Specific gravity (0.92-0.96) chemical resistance test passed water, acid, solvent except alkali, poor because hydrolyzable ester group in resins. anti-corrosive features nanocomposites investigated salt spray 5 wt % NaCl. results indicate that well-dispersed ZnO (1.0%) interior matrix improve durability attributes composites, degree rusting, 9, blistering size 6 finally, scribe failure, 9 mm. Thus, they exhibit potential applications eco- friendly anticorrosion mechanisms attributed synergistic effect (CuO/ZnO) prepared are highly rich nitrogen elements, might regarded physical barrier layer steel substrates.

Язык: Английский

Процитировано

25

A Mini-Review of Synthetic Organic and Nanoparticle Antimicrobial Agents for Coatings in Textile Applications DOI Open Access
Michail Karypidis,

Evangelos Karanikas,

Aikaterini Papadaki

и другие.

Coatings, Год журнала: 2023, Номер 13(4), С. 693 - 693

Опубликована: Март 28, 2023

Many synthetic compounds have been applied to impart antimicrobial properties fabrics. In this review, the types of bacteria are described. Furthermore, agents, namely quaternary ammonium (QACs), polyhexamethylene biguanide (PHMB), triclosan, and nitrogen-halamines (N-halamines), discussed along with their properties, advantages disadvantages. Although agents neutralise microorganisms, some adversely affect environment, safety health. These problems led a novel generation coating treatments on textiles, such as copper nanoparticles (CNPs) silver (AgNPs) formed plant extracts, chitosan green synthesis, lower environmental impact but unaltered premium performance improved durability.

Язык: Английский

Процитировано

23

Biogenic Nanomaterials: Synthesis, Characterization, and Applications DOI
Salem S. Salem, Alsayed E. Mekky

Environmental science and engineering, Год журнала: 2024, Номер unknown, С. 13 - 43

Опубликована: Янв. 1, 2024

Язык: Английский

Процитировано

12

Green-route synthesis of ZnO nanoparticles via Solanum surattense leaf extract: Characterization, biomedical applications and their ecotoxicity assessment of zebrafish embryo model DOI
Chinnasamy Ragavendran, Chinnaperumal Kamaraj, Abdulwahed Fahad Alrefaei

и другие.

South African Journal of Botany, Год журнала: 2024, Номер 167, С. 643 - 662

Опубликована: Март 11, 2024

Язык: Английский

Процитировано

11

Synthesis of multifunctional silver oxide, zinc oxide, copper oxide and gold nanoparticles for enhanced antibacterial activity against ESKAPE pathogens and antioxidant, anticancer activities using Momordica cymbalaria seed extract DOI

Ahila Mathimaran,

Chitra Jeyaraj Pandian,

Priyanka Sappanimuthu

и другие.

Materials Today Communications, Год журнала: 2024, Номер 39, С. 108838 - 108838

Опубликована: Апрель 7, 2024

Язык: Английский

Процитировано

11

Hindering the biofilm of microbial pathogens and cancer cell lines development using silver nanoparticles synthesized by epidermal mucus proteins from Clarias gariepinus DOI Creative Commons
Ahmed N. Alabssawy, Mohammed Abu‐Elghait, Ahmad M. Azab

и другие.

BMC Biotechnology, Год журнала: 2024, Номер 24(1)

Опубликована: Май 4, 2024

Abstract Scientists know very little about the mechanisms underlying fish skin mucus, despite fact that it is a component of immune system. Fish mucus an important defence against invasive infections. Recently, and its are gaining interest among immunologists. Characterization was done on obtained silver nanoparticles Ag combined with Clarias gariepinus catfish epidermal proteins (EMP-Ag-NPs) through UV–vis, FTIR, XRD, TEM, SEM. Ag-NPs ranged in size from 4 to 20 nm, spherical form angles were 38.10°, 44.20°, 64.40°, 77.20°, Where wavelength change after formation EMP-Ag-NPs as indicate dark brown, broad band recorded at 391 nm. Additionally, antimicrobial, antibiofilm anticancer activities assessed. The present results demonstrate high activity unicellular fungi C. albicans , followed by E. faecalis . Antibiofilm showed strong both S. aureus P. aeruginosa pathogens dose-dependent manner, without affecting planktonic cell growth. Also, cytotoxicity effect investigated normal cells (Vero), breast cancer (Mcf7) hepatic carcinoma (HepG2) lines concentrations (200–6.25 µg/mL) current highly 100, 5 25 µg/mL exhibited rounding, shrinkage, deformation granulation Mcf7 HepG2 IC50 19.34 31.16 respectively while Vero appeared rounded concentration 50 shape 25, 12.5 6.25 µg/ml 35.85 µg/mL. This study evidence potential efficacy biologically generated substitute medicinal agent harmful microorganisms. Furthermore, highlights their inhibitory lines.

Язык: Английский

Процитировано

11

Biosynthesis and characterization of selenium and silver nanoparticles using Trichoderma viride filtrate and their impact on Culex pipiens DOI Creative Commons

Heba Abd-elKhalek,

Ali A. Badawy, Abdulaziz A. Al–Askar

и другие.

Green Processing and Synthesis, Год журнала: 2024, Номер 13(1)

Опубликована: Янв. 1, 2024

Abstract Some of the significant globally prevalent vector-borne illnesses are caused by Culex pipiens . Synthetic pesticides have been widely utilized to eradicate C. , which has led a number health risks for people, insect resistance, and environmental contamination. Alternative strategies therefore vitally needed. In current investigation, Trichoderma viride fungal culture filtrate was used create selenium silver nanoparticles (SeNPs AgNPs, respectively) test them on larvae in their fourth instar stage. The death rate increased significantly when SeNP AgNP concentrations increased, according results. SeNPs AgNPs affected developmental detoxification enzymes at 24 h after being treated with sublethal concentration tested NPs. As result insecticidal effect larvae, considered effective promising larvicidal agents.

Язык: Английский

Процитировано

10