• DNA Structure
• Interesting Facts
• What is Need?
• Where it all started?
• How it works?
• DNA Chip
• Challenges to Implementation
• Goals for This Work
• Latest Developments
• Comparison of DNA computers with conventional Computer
• Features of DNA computer
• DNA BASICS
• Operations on DNA sequences
(Deoxyribonucleic Acid Computing):
DNA computing is a nascent technology that seeks to capitalize on the enormous informational capacity of DNA, biological molecules that can store huge amounts of information and are able to perform operations similar to a computer's through the deployment of enzymes, biological catalysts that act like software to execute desired operations.
Scientists around the globe are now trying to marry computer technology and biology by using nature's own design to process information. Research in this area began with an experiment by Leonard Adleman, a computer scientist at USC who surprised the scientific community in 1994 by using the tools of molecular biology to solve a hard computational problem.
A new version of a biomolecular computer developed at the Israel Institute of Technology composed entirely of DNA molecules and enzymes. It can perform as many as a billion different programs simultaneously. Previous biomolecular computers, such as the one built by Institute of Science three years ago, were limited to just 765 simultaneous programs.
This new computer is also autonomous; it processes calculations from beginning to end without any human assistance. Other biomolecular computers require humans to analyze and decipher results and perform intermediate tasks at different points in the process before the computer can complete the operation.
Current computers consist of metal, plastic, wires and transistors. The manner in which they process information is called linear because they conduct one computation at a time. In the latest generation of computers, biological molecules replace all the components. One advantage of these biomolecular computers over linear computers is their ability to simultaneously carry out an enormous number of complex operations.
• DNA molecule is 1.7 meters long
• Stretch out the entire DNA in your cells and you could reach the moon 6000 times! • DNA is the basic medium of information storage for all living cells. It has contained and transmitted the data of life for billions of years • Roughly 10 trillion DNA molecules could fit into a space the size of a marble. Since all these molecules can process data simultaneously, you could theoretically have 10 trillion calculations going on in a small space at once.
DNA Lab Chip DNA Molecule
WHAT IS THE NEED?
Computers have become significantly smaller and more powerful over the past 40 years, but they still have a silicon substrate, and silicon has inherent limitations. The abilities and power of computers to this day have increased, almost exponentially, since the dawn of their creation. This exponential growth of silicon chip speed and inverse of size has come to be known as Moore's Law. Computer chip manufacturers are furiously racing to make the next microprocessor that will topple speed records. As advancements in micro silicon chip production continue, however,...