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Copper has been in use by humans for about 10,000 years and without this incredible metal, society could not possibly be what it is today. With a vast amount of uses, copper is antimicrobial, corrosion-resistant, and a superior heat and electricity conductor that has revolutionized technology and our modern way of life.
The mere mention of nanotechnology may raise eyebrows. Yet worries should not be based on size but molecular composition instead. If a particle is made from plastic or heavy metals, concern is definitely valid. However, polylactic acid nanoparticles are biodegradable, making them perfect for use both in the environment and also in the body.
For those studying this unique branch of terrestrial life, the identification of resistance genes in the environment suggested there had to be antimicrobials out there. If this was the case, the Archaea were going to play a role. The only question they couldn't answer was the nature of this role. This past week, a team of researchers from Vanderbilt University may have provided the answer: Horizontal Gene Transfer (HGT).
February 4 of this year was a momentous day for numismatists as the Canadian Mint officially stopped distribution of the one-cent coin, the penny. While the reaction from Canadians was mixed, there was a general consensus that the loss was still a sad end to a 105-year era. The moment was also a sombre day for those striving to improve public health.
The eye is a complex organ and has developed a unique means to fight off germs. The eye has its own separate immune function to tackle a potential infection, which is called immune privilege. Research has since learned exactly how these peptides went about killing their enemies although the results are better placed in a Clive Barker novel -- AMPs manifest the well-known concept of death by a million paper cuts...