Nanotechnology Now

Our NanoNews Digest Sponsors

Heifer International

Wikipedia Affiliate Button

Home > Press > Iranian Scientists Investigate Dermal Effects of Nanosilver, Silver Nitrate

Abstract:
Iranian scientists at Tehran's Medical Sciences University warned that caution should be taken in using products containing silver nanoparticles which are in contact with body skin.

Iranian Scientists Investigate Dermal Effects of Nanosilver, Silver Nitrate

Tehran, Iran | Posted on August 18th, 2011

"The emergence of nanotechnology and its wide applications in different industries has drawn abundant attentions to its toxicology so that a new branch entitled nanotoxicology is introduced. Given the vast applications of nanosilver as an antibacterial substance and the lack of information on its toxicological aspects, it is necessary to first focus on the skin toxicity of this substance and second on the potential of its toxicity to the organs caused by skin contacts", Ms. Mitra Karani, M.Sc. at toxicology from Medical Science University of Tehran, said.

Ms. Karani stated that the aim of this study was to address the question about the dermal and systematic side-effects of long-term use of products containing nanosilver and its difference to those of silver nitrate.

She used Guinea pig as test animal because of its high skin sensitivity. Three concentrations of nanosilver as test groups and two positive (silver nitrate) and negative control groups were applied in this study. She investigated the acute (14 days) and chronic (13 weeks) skin toxicity of nanosilver.

Elaborating on the results of this study, she said, "Based on the results, we can partly say that caution should be taken in using products containing nanosilver which are in contact with skin. However, a definite answer requires more researches on more dilutions and other aspects of nanosilver toxicity like mutagenicity, cargenocity, teratogenicity, nervous toxicity, etc."

####

For more information, please click here

Copyright © Fars News Agency

If you have a comment, please Contact us.

Issuers of news releases, not 7th Wave, Inc. or Nanotechnology Now, are solely responsible for the accuracy of the content.

Bookmark:
Delicious Digg Newsvine Google Yahoo Reddit Magnoliacom Furl Facebook

Related News Press

News and information

World's fastest man-made spinning object could help study quantum mechanics July 20th, 2018

Relax, just break it July 20th, 2018

Future electronic components to be printed like newspapers July 20th, 2018

The relationship between charge density waves and superconductivity? It's complicated July 19th, 2018

Announcements

World's fastest man-made spinning object could help study quantum mechanics July 20th, 2018

Relax, just break it July 20th, 2018

Future electronic components to be printed like newspapers July 20th, 2018

The relationship between charge density waves and superconductivity? It's complicated July 19th, 2018

Personal Care/Cosmetics

Graphene finds new application as anti-static hair dye: New formula works as well as commercial permanent dyes without chemically altering hairs March 22nd, 2018

Programmable materials find strength in molecular repetition May 23rd, 2016

Common nanoparticle has subtle effects on oxidative stress genes May 11th, 2016

NRL reveals novel uniform coating process of p-ALD April 21st, 2016

Safety-Nanoparticles/Risk management

FEFU scientists reported on toxicity of carbon and silicon nanotubes and carbon nanofibers: Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. July 18th, 2018

Nanomaterials could mean more algae outbreaks for wetlands, waterways: High tech metal particles may inadvertently take a toll on aquatic life June 26th, 2018

NIOSH Releases New Nanotechnology Workplace Design Recommendations March 13th, 2018

How harmful are nano-copper and anti-fungal combinations in the waterways? October 27th, 2017

NanoNews-Digest
The latest news from around the world, FREE



  Premium Products
NanoNews-Custom
Only the news you want to read!
 Learn More
NanoStrategies
Full-service, expert consulting
 Learn More











ASP
Nanotechnology Now Featured Books




NNN

The Hunger Project