2014-10-25 "Design and DNA" - Timothy Standish, PhD Fourth Presentation in "The Bible, Science And Origin Of Life" series held on Saturday afternoon. By: Adventisti Toronto … Continue reading →

DNA extraction DNA isolation is a process of purification of DNA from sample using a combination of physical and chemical methods. The first isolation of DNA was done in 1869 by Friedrich Miescher. Currently... By: Audiopedia … Continue reading →

Advanced Warfare:''DNA Bomb'' Gameplay l 30 Killstreak! Advanced Warfare:''DNA Bomb'' Gameplay Got this gameplay from http://www.twitch.tv/anfuny29 Thanks For Watching Can We SMASH 40 Likes? Always Remember To SUBSCRIBE ... By: xGetStyled … Continue reading →

Adherent cells, the kind that form the architecture of all multi-cellular organisms, are mechanically engineered with precise forces that allow them to move around and stick to things. Proteins called integrin receptors act like little hands and feet to pull these cells across a surface or to anchor them in place. When groups of these cells are put into a petri dish with a variety of substrates they can sense the differences in the surfaces and they will "crawl" toward the stiffest one they can find. Now chemists have devised a method using DNA-based tension probes to zoom in at the molecular level and measure and map these phenomena: How cells mechanically sense their environments, migrate and adhere to things. Nature Communications published the research, led by the lab of Khalid Salaita, assistant professor of biomolecular chemistry at Emory University. Co-authors include mechanical and biological engineers from Georgia Tech. Using their new method, the researchers showed how the forces applied by fibroblast cells is actually distributed at the individual molecule level. "We found that each of the integrin receptors on the perimeter of cells is basically 'feeling' the mechanics of its environment," Salaita says. "If the surface they feel is … Continue reading →

The very same building blocks that make us have been successfully programmed to form 32 differently-shaped crystal structures. The structures feature a precisely-defined depth and a variety of sophisticated 3D nanoscale attributes, thereby laying further foundations for the use of DNA to revolutionize nanotechnology. The news comes courtesy of scientists at Harvard's Wyss Institute for Biologically Inspired Engineering, which previously developed a DNA-brick self-assembly method to create over 100 complex 3D nanostructures about the size of viruses. That prior work made possible the creation of these new DNA crystals, which are more than 1,000 times larger than the older DNA brick structures large enough now that they are comparable to a speck of dust. "We are very pleased that our DNA brick approach has solved this challenge," said senior author Peng Yin, "and we were actually surprised by how well it works." The technique is modeled after the way in which Lego bricks interlock to build complex structures. This is possible thanks to the basic rules of DNA mixing: in forming base pairs, the A (adenine) nucleobase only binds to the T (thymine) one while C (cytosine) only binds with G (guanine). Combine many bases, changing the orientation by 90 … Continue reading →