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A nanometer scale image of RPI's new carbon nanotube and lysostaphin-based anti-Staphylococcus aureus coating.  (Source: Rensselaer/Ravindra C.Pangule and Shyam Sundhar Bale)
New cyborg nanoparticle comes to the aid of the war on infections.

A little over two years ago, MIT researchers found that changing the stiffness of a surface by applying a thin film of polyelectrolyte helped to inhibit the growth of several infectious bacteria such as E. coli and S. epidermidis. The aim of the research was to help reduce hospital infections caused during or after surgeries or by other modes of infection.

Now, in a similar vein of research, Rensselaer Polytechnic Institute researchers have developed a new nanocomposite that kills the dangerous bacteria S. aureus on contact. Staph infections are at the top end of hospital infections and this promising material could help further reduce the number of patients that come under their sometimes deadly purview.

The new material is composed of carbon nanotubes and a naturally occurring enzyme called lysostaphin. Lysostaphin is an enzyme produced by non-pathogenic strains of Staphylococcus to combat against the deadly S. aureus. The material can be mixed with many types of surface coatings or applied directly to surgical instruments or other hospital gear such as masks.

In a test, RPI researchers mixed a batch of the new nanoparticles with ordinary latex house paint. When they applied a solution of S. aureus to a surface painted with the mixture, in only 20 minutes, 100% of the S. aureus bacteria had been killed.

Not only is the nanoparticle completely effective, it is highly durable with a comparatively long shelf life of six months. Items coated with nanoparticles or with a paint mixture can be washed repeatedly with no detrimental effects to the abilities of the nanoparticles to destroy S. aureusbacteria.



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RE: Almost..
By Iaiken on 8/17/2010 11:57:44 AM , Rating: 2
Weird... I've been practicing White Crane Kung Fu for 9 years now and while injuries are inevitable in sparing, tournaments and weapons training, I don't even know of anyone at our club that has gotten even a mild infection as a result of their injuries.

Might help that the club is kept in immaculate condition... The room with the padded floor is redone every year and the loose mats are re-jacketed on about the same interval. Hell, it's even the first club I've been to that didn't smell at all of BO and it gets to be over 33 degrees in there in the summer.


RE: Almost..
By InvertMe on 8/17/2010 1:53:03 PM , Rating: 3
I could be mistake but that discipline does not involve a lot of long time body on body contact does it? All it takes is one dirty person to spread ringworm and staph to an entire gym. If someone seems dirty to me when rolling I tell them to get off the mat and take a shower and wash their clothes. If they don't I go right to the gym owner and he will kick them out until they fix it. I got sick of taking lamisil baths to fight ringworm every week...


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