Errrm ! that was April 1. Yes? T
On 1 Apr 2017 at 12:48, Joe wrote about : Subject : Re: CS>"Rampant use of nanosilver.. Bill, just want to make sure that you are distributing this on an FYI basis because of the absurdity of the premis. True? While I can see a concern in wiping out your gut flora with continuous use of CS when no sickness is present, I believe the other concerns discussed are a lot of whohee (sp?). Thanks Joe Sent from my iPhone > On Mar 31, 2017, at 6:06 PM, Bill Kingsbury <b.b...@verizon.net> wrote: > > > from: - > https://www.healthcanal.com/infections/236554-rampant-use-antibacterial-nanosilver-resistance-risk.html > > > Rampant use of antibacterial nanosilver is a resistance risk > > 7:05 March 31, 2017 > > In summary: > > .. Silver nanoparticles are becoming ubiquitous in medical and consumer > items because of their antibacterial potency in small concentrations and, > partly, incorrect perceptions about their safety > > .. A more judicious approach and targeted surveillance are urgently needed > to preserve nanosilver's antimicrobial reliability > > Researchers at the University of Technology Sydney warn that the > broad-spectrum antimicrobial effectiveness of silver is being put at risk by > the widespread and inappropriate expansion of nanosilver use in medical and > consumer goods. > > As well as their use in medical items such as wound dressings and catheters, > silver nanoparticles are becoming ubiquitous in everyday items, including > toothbrushes and toothpaste, baby bottles and teats, bedding, clothing and > household appliances, because of their antibacterial potency and the > incorrect assumption that ordinary items should be kept "clean" of microbes. > > Nanobiologist Dr Cindy Gunawan, from the ithree institute at UTS and lead > researcher on the investigation, said alarm bells should be ringing at the > commercialisation of nanosilver use because of a "real threat" that > resistance to nanosilver will develop and spread through microorganisms in > the human body and the environment. > > Dr Gunawan and ithree institute director Professor Liz Harry, in > collaboration with researchers at UNSW and abroad, investigated more than 140 > commercially available medical devices, including wound dressings and > tracheal and urinary catheters, and dietary supplements, which are promoted > as immunity boosters and consumed by throat or nasal spray. > > Their perspective article in the journal ACS Nano concluded that the use of > nanosilver in these items could lead to prolonged exposure to bioactive > silver in the human body. Such exposure creates the conditions for microbial > resistance to develop. > > The use of silver as an antimicrobial agent dates back centuries. Its ability > to destroy pathogens while seemingly having low toxicity on human cells has > seen it widely employed, in treating burns or purifying water, for example. > More recently, ultra-small (less than 10,000th of a millimetre) silver > nanoparticles have been engineered for antimicrobial purposes. Their > commercial appeal lies in superior potency at lower concentrations than > "bulk" silver. > > "Nanosilver is a proven antimicrobial agent whose reliability is being > jeopardised by the commercialisation of people's fear of bacteria," Dr > Gunawan said. > > "Our use of it needs to be far more judicious, in the same way we need to > approach antibiotic usage. Nanosilver is a useful tool but we need to be > careful, use it wisely and only when the benefit outweighs the risk. > > "People need to be made aware of just how widely it is used, but more > importantly they need to be made aware that the presence of nanosilver has > been shown to cause antimicrobial resistance." > > What is also needed, Dr Gunawan said, is a targeted surveillance strategy to > monitor for any occurrence of resistance. > > Professor Harry said the findings were a significant contribution to > addressing the global antimicrobial resistance crisis. > > "This research emphasises the threat posed to our health and that of the > environment by the inappropriate use of nanosilver as an antibacterial, > particularly in ordinary household and consumer items," she said. > > The article Widespread and Indiscriminate Nanosilver Use: Genuine Potential > for Microbial Resistance is published in the journal ACS Nano. > > ( http://pubs.acs.org/doi/abs/10.1021/acsnano.7b01166 ) > > UTS > > > (c) 2016 HEALTHCANAL - Medical News. All Rights Reserved. > > https://www.healthcanal.com/ > > > .. > > > -- > The Silver List is a moderated forum for discussing Colloidal Silver. > Rules and Instructions: http://www.silverlist.org > > Unsubscribe: > <mailto:silver-list-requ...@eskimo.com?subject=unsubscribe> > Archives: > http://www.mail-archive.com/silver-list@eskimo.com/maillist.html > > Off-Topic discussions: <mailto:silver-off-topic-l...@eskimo.com> > List Owner: Mike Devour <mailto:mdev...@eskimo.com> > >
