Assignment On Biomedical Technology

1009 words - 5 pages

The advanced field has proven that the human body is a mix of fallibility and intolerance For instance, when organs ware out it takes a while for your name to be put on a list, even after your name is put on the list you wait and wait. Then after the surgery you have to take Immune depressing drugs for the rest of your life. Eventually people will be able to bypass the list and the drug problem by creating an organ from your own cells.A cell with an on/off switch may sound crazy, even insane. Weiss is one of the many researchers in the field of synthetic biology, that has assembled genes into a network designed to force cells to do what their programmers want (Gravitz). This technology al ...view middle of the document...

"It worked the first time we did the experiment," says Tuschi. Pharmaceutical companies are using RNAi to search for drug targets. Using RNAi to stop a key gene in HIV could stop AIDS. The interference, or the way RNAi works, is preventing the gene from translating into the protein it encodes. A gene normally translates into an intermediate messenger RNA molecule, then it to puts together a protein, but if interference happens, "cellular scissors" slice and destroy the protein. The problem is in getting the proteins to the patients cells, although John Rossi, a molecular geneticist at the City of Hope National Medical Center if Duarte, CA, predicts RNAi therapies to be on the market "...Within maybe three or four years, says Rossi (Garber)." Few emerging technologies offer as much promise as nanotechnology. Companies varying from Samsung Electronics to Wilson Sporting goods invest in nanotechnology (Amato). "Nanowires are more versatile, due to the different properties that can be achieved just by varying the composition, says Charles Cieber, Harvard University chemist (Amato). " Nanowires are long, thin, and tiny, about one ten thousandth the width of a human hair (Amato)." Nanowires consist of semiconductor silicon, tin oxide, and gallium nitride. The wire's uses involve lasers, transistors, memory devices, and chemically sensing devices (Amato).Since the creation of superman people wish for x-ray vision, but the human eye is only capable of so much. Researchers are working on a new spectrum of sight, the terahertz radiation, or T-ray, which is capable of seeing through most common materials without the medical risk of X-rays. "T-rays operate in the deep infrared region right before wavelengths stretch into microwaves. In dentistry, it would be possible to spot decay without harmful ionizing radiation (Savage). They are better than X-rays through the fact that T-r...

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