Monthly Archives: February 2010

26 Feb

It’s very difficult to kill something that isn’t dead. This is the challenge when developing antiviral drugs. Whether or not a virus is alive is a great issue of debate among scientists. Amantadine was the first licensed antiviral drug in … Continue reading

20 Feb

Antifungal drugs are used to fight fungal infections. Fungi are eukaryotic organisms as opposed to prokaryotic such as bacteria. This makes it harder to fight fungal infections human cells are eukaryotic as well. Anti-fungal drugs have side effects due to … Continue reading

13 Feb

Antimicrobial drugs can be compared to laser guided missiles. They are designed to seek and destroy a very specific target. These drugs destroy bacteria in different ways depending on what biological process they inhibit within the bacteria. Some drugs inhibit … Continue reading

09 Feb

Ultrafiltration involves filtration at the molecular weight level. Ultrafiltration can involve membranes, centrifuge tubes, and dialysis tubing. MWCO membranes allow molecules smaller than the molecular weight cut off to pass through while molecules larger than the molecular weight cut off … Continue reading

05 Feb

Antimicrobial drugs belong to a class of chemotherapeutic agents used to treat infectious diseases. Antimicrobial drugs act within the host and target the harmful organism without affecting host cells. This is known as selective toxicity. Synthetic drugs are synthesized in … Continue reading

02 Feb

©2009-2010 *Spiritwollf. Okay when we think of frogs we probably think of the old fairytale or the new Disney Movie, The Princess and the Frog; however there is another side to frogs that we look at in Science Class at … Continue reading

02 Feb

Membrane filters are surface or screen filters. Only the surface is used to filter the solution. Typical pore sizes range from 0.2um (micrometers) to 1.0 um. Membrane filters can be made of cellulose (cellulose acetate, cellulose nitrate), Nylon, Polyethersulfone (PES) … Continue reading