Results 41 to 50 of about 48,227 (273)

Citrate and Polyvinylpyrrolidone Stabilized Silver Nanoparticles as Selective Colorimetric Sensor for Aluminum (III) Ions in Real Water Samples [PDF]

, 2020
The use of silver nanoparticles stabilized with citrate and polyvinylpyrrolidone as a sensor for aluminum ions determination is proposed in this paper. These non-functionalized and specific nanoparticles provide a highly selective and sensitive detection
López Pérez, Germán, Martín Valero, María Jesús, Prado Gotor, Rafael, Román Hidalgo, Cristina, Ruiz del Portal Vázquez, Paula   +4 more
core   +1 more source

Comparison of 20nm silver nanoparticles synthesized with and without a gold core: Structure, dissolution in cell culture media, and biological impact on macrophages [PDF]

, 2015
Widespread use of silver nanoparticles raises questions of environmental and biological impact. Many synthesis approaches are used to produce pure silver and silver-shell gold-core particles optimized for specific applications.
Baer, DR, Chen, S, Engelhard, MH, Kodali, V, Liu, C, Munusamy, P, Porter, AE, Ryan, MP, Smith, JN, Thrall, BD, Wang, C   +10 more
core   +1 more source

A comparative study of the antifungal activity of silver nanoparticles prepared from Moringa oleifera and Spirulina platensis extracts against Aspergillus parasiticus isolated from Egyptian wheat grains [PDF]

Journal of Plant Protection Research
This work aimed to investigate the in vitro antifungal capability of silver nanoparticles (AgNPs) that were biosynthesized from extracts of two bioagents (Moringa oleifera and Spirulina platensis) against Aspergillus parasiticus attained from Egyptian ...
Zakaria Awad Baka
doaj   +1 more source

Sample preparation and EFTEM of meat samples for nanoparticle analysis in food [PDF]

, 2014
Nanoparticles are used in industry for personal care products and the preparation of food. In the latter application, their functions include the prevention of microbes' growth, increase of the foods nutritional value and sensory quality.
Dudkiewicz, Agnieszka, Lari, L.
core   +1 more source

AgNPs Prepared by Lemon Juice Reduction Method for SERS Rapid Detection of Pesticide Residues in Fruits and Vegetables

智慧农业
ObjectiveThe use of pesticides is one of the root causes of food safety problems. Pesticide exposure and pesticide residues can not only lead to environmental pollution issues but also seriously affect human health.
DONG Shanshan, ZHANG Fengqiu, XIA Qi, LI Jialin, LIU Chao, LIU Shaowei, CHEN Xiangyu, WANG Rujing, HUANG Qing   +8 more
doaj   +1 more source

Evaluation of the Biotechnological Potential of Monteverdia salicifolia (Mart ex. Reissek) Biral

Orbital: The Electronic Journal of Chemistry, 2021
Plant extracts are a good alternative of reducing agents in the synthesis of metal nanoparticles. In this paper, we report the evaluation of the cytotoxic activity against T3 cell lines of the ethanolic extract of Monteverdia salicifolia (Mart ex ...
Sandra Grzygorczyk, Joel Toribio Ezpinoza, Josiane de Fátima Padinha de Paula, Patricia Mathias Doll Boscardin, Domingos Sávio Nunes, Marilei Casturina Mendes Sandri, Cássia Gonçalves Magalhães   +6 more
doaj   +1 more source

Yeast-derived biosynthesis of silver/silver chloride nanoparticles and their antiproliferative activity against bacteria [PDF]

, 2016
Here, we provide the first evidence of yeast strains assisted Ag/AgCl-NPs production in vitro. The formed nanoparticles were characterized by spectroscopic and electron microscopy approaches. UV-vis supported the biosynthesis. TEM analysis evidenced that
Almeida-Paes, Rodrigo, de Souza, Wanderley, Eugenio, Mateus, Farina, Marcos, Frasés, Susana, Lemgruber, Leandro, Lima, Luís Maurício T.R., Müller, Nathalia, Sant'Anna, Celso   +8 more
core   +1 more source

Cytotoxic and Antimicrobial Efficacy of Silver Nanoparticles Synthesized Using a Traditional Phytoproduct, Asafoetida Gum

International Journal of Nanomedicine, 2020
Sandhanasamy Devanesan,1,2 Karuppiah Ponmurugan,3 Mohamad S AlSalhi,1,2 Naif Abdullah Al-Dhabi3 1Research Chair in Laser Diagnosis of Cancer, Department of Physics and Astronomy, College of Science, King Saud University, Riyadh, Saudi Arabia; 2Department
Devanesan S, Ponmurugan K, AlSalhi MS, Al-Dhabi NA   +3 more
doaj  

Antibacterial Activity of Silver Nanoparticles Synthesized by Aspergillus flavus and its Synergistic Effect with Antibiotics

Journal of Pure and Applied Microbiology, 2022
Microbial antibiotic resistance is rapidly increasing as a result of overuse or misuse of antibiotics, as well as a lack of new, effective antibiotics.
Khaled Khleifat, Haitham Qaralleh, Mohammad Al-Limoun, Moath Alqaraleh, Maha N. Abu Hajleh, Rahaf Al-Frouhk, Laila Al-Omari, Rula Al Buqain, Saif M. Dmour   +8 more
doaj   +1 more source

Epidermal Patch Technologies for Integrated Healthcare and Infection Management

Advanced Healthcare Materials, EarlyView.
Epidermal patches have evolved from simple wound coverings into multifunctional, skin‐conformable platforms integrating drug delivery, biosensing, and therapeutic functionalities. This review highlights their material innovations, fabrication strategies, and intelligent designs, including hydrogels, microneedles, and flexible electronics, while ...
Yuqi Wang, Atakan Tevlek, Pawel L. Urban, Boaz Mizrahi, Onome Ejeromedoghene, Roshan Deen, Yuanjing Lin, Jagan Mohan Dodda   +7 more
wiley   +1 more source