Green nanotechnology

M Nasrollahzadeh, M Sajjadi, SM Sajadi… - Interface science and …, 2019 - Elsevier
While various nanoparticles are being increasingly utilized in many sectors of the economy,
there is growing interest in the environmental and biological safety linked to their …

Ascorbic Acid and Polyphenols Mediated Green Synthesis of Silver Nanoparticles from Tagetes erecta L. Aqueous Leaf Extract and Studied Their Antioxidant …

PK Tyagi, S Tyagi, D Gola, A Arya… - Journal of …, 2021 - Wiley Online Library
Silver nanoparticle synthesis of the leaf extract Tagetes erecta L. enriched with ascorbic acid
and polyphenols has been investigated. The color of the golden yellow extract has changed …

[HTML][HTML] Bio-inspired fabrication of zinc oxide nanoparticles: Insight into biomedical applications

AU Khan, M Ilyas, D Zamel, S Khan… - … of Advances in …, 2022 - advancechemjournal.com
Nanotechnology is starting the characterization, fabrication, and possible applications of
numerous materials at the Nano-scale. Over the last few eras, nanomaterials provide a …

Green synthesis of iron nanoparticles from spinach leaf and banana peel aqueous extracts and evaluation of antibacterial potential

PK Tyagi, S Gupta, S Tyagi, M Kumar… - Journal of …, 2021 - Wiley Online Library
Spinacia oleracea (spinach) and Musa acuminata (banana) were chosen for the study, and
aqueous extracts of spinach leaf extract (SLE) and banana peel extract (BPE) were …

Biosynthesis and assessment of antibacterial and antioxidant activities of silver nanoparticles utilizing Cassia occidentalis L. seed

A Arya, PK Tyagi, S Bhatnagar, RK Bachheti… - Scientific Reports, 2024 - nature.com
This research explores the eco-friendly synthesis of silver nanoparticles (AgNPs) using
Cassia occidentalis L. seed extract. Various analytical techniques, including UV–visible …

Synthesis of silver and gold nanoparticles: Chemical and green synthesis method and its toxicity evaluation against pathogenic bacteria using the toxtrak test

PK Tyagi, C Quispe, J Herrera-Bravo… - Journal of …, 2021 - Wiley Online Library
In the current investigation, silver/gold nanoparticles (NPs) were synthesized using two
methods: chemical and biological, and then characterized colloidal solutions of both NPs …

[PDF][PDF] Estimation of toxic effects of chemically and biologically synthesized silver nanoparticles on human gut microflora containing Bacillus subtilis

PK Tyagi, S Tyagi, C Verma, A Rajpal - Journal of Toxicology and …, 2013 - academia.edu
Biological silver nanoparticles were successfully synthesized from a simple green and
natural route using the extract of Allium cepa (onion) with the use of silver nitrate as …

[PDF][PDF] Production of metal nanoparticles from biological resources

PK Tyagi - International Journal of Current Microbiology and …, 2016 - researchgate.net
The term “Nanotechnology” has been coined by Norio Taniguchi, a researcher at the
University of Tokyo, Japan (Tanja et al., 1999). This slowly expanded to various fields. Even …

Application of water quality index (WQI) and hydro-geochemistry for surface water quality assessment, Chahnimeh reservoirs in the Sistan and Baluchestan Province.

H Hosseini, A Shakeri, M Rezaei, MD Barmaki… - 2019 - cabidigitallibrary.org
Abstract Background and Objective: Chahnimeh water reservoirs in Sistan and Baluchestan
Province are the most important sources for drinking water and irrigation purposes. Many …

Evaluate the toxicity of silver nanoparticles by chemical and green synthesis methods

PK Tyagi, T Rizvi, AV Kapse - Materials Today: Proceedings, 2023 - Elsevier
Plant leaf extract of Hibiscus rosa-sinensis was used to make biological silver nanoparticles
(Bio-AgNPs) and AgNO 3 was used to make chemical silver nanoparticles (CH-AgNPs). The …