Molecular forces for the binding and condensation of DNA molecules

Biophysical Journal;  January 1, 2002 ;     700+ words ......also been measured. The binding of DNA molecules to cationic lipid bilayers has a minimal...observed a long-range attraction between DNA molecules and cationic lipid bilayers with a...two-dimensional condensation of DNA. INTRODUCTION DNA molecules, important for their biological ...

Scientists seek breakthrough in electronic miniaturization

AP Online;  March 27, 1998 ;     499 words ......electronics _ for the first time letting DNA molecules build electronic circuits. ``We are...is built. However, single strands of DNA molecules are attached to the gold electrodes...the self-assembling abilities of tiny DNA molecules to create electronic circuits was the...

Azimuthal frustration and bundling in columnar DNA aggregates

Biophysical Journal;  June 1, 2003 ;     700+ words ......interaction between two stiff parallel DNA molecules is discussed using linear Debye-Huckel...on the interaxial separation of two DNA molecules, but also on their azimuthal orientation...to understand the interaction of two DNA molecules and DNA condensation with a variety...

Israeli-European collaboration produces revelation of structure of DNA...

Jerusalem Post;  March 2, 2008 ;     449 words ......produces revelation of structure of DNA molecules Byline: JUDY SIEGEL Edition; Daily...electronic structure of individual DNA molecules in cells has been revealed for the...electronic properties of the genetic code of DNA molecules is an important issue in many scientific...

Conformation, Length, and Speed Measurements of Electrodynamically...

Biophysical Journal;  July 1, 2008 ;     700+ words ......and fluorescence intensity of single DNA molecules constrained by a nanochannel. DNA molecules were driven electrophoretically from...the manipulation and analysis of single DNA molecules. Much of this work has focused on the...

SCIENTISTS SEEK BREAKTHROUGH IN ELECTRONIC MINIATURIZATION

Post-Tribune (IN);  March 29, 1998 ;     523 words ......Technion office in Haifa. They hope to use DNA molecules to "grow" miniature circuitry. (ASSOCIATED...electronics - for the first time letting DNA molecules build electronic circuits. "We are...is built. However, single strands of DNA molecules are attached to the gold electrodes...

Direct visualization of abasic sites on a single DNA molecule using...

Photochemistry and Photobiology;  August 1, 2002 ;     700+ words ......visualization of damaged sites on individual DNA molecules. Fluorescence in situ hybridization on extended DNA molecules was modified to detect a single abasic...characterized the abasic sites of single DNA molecules. INTRODUCTION Visualization of specific...

Adsorption of DNA to mica mediated by divalent counterions: A theoretical...

Biophysical Journal;  October 1, 2003 ;     700+ words ...ABSTRACT The adsorption of DNA molecules onto a flat mica surface is a necessary...However, the phenomenon that pulls DNA molecules onto the surface is still not understood...explain how a reversible binding of the DNA molecules can be obtained with a pretreated mica...

Buckyballs bind to DNA.

TRN Newswire;  December 12, 2005 ;     193 words ......buckyballs, will attach to and deform DNA molecules in aqueous environments. Buckyballs...structure and biological functions of DNA molecules. The carbon molecules bind to single...DNA, and bind to damaged sections of DNA molecules, which could interfere with DNA's natural...

Partially condensed DNA conformations observed by single molecule...

Biophysical Journal;  December 1, 2001 ;     700+ words ......microscopy is performed here. The single DNA molecules are ethidium stained, 670 kilobase...ethanol is added before gel-embedding DNA molecules. These observations are explained by...INTRODUCTION The averaged conformation of DNA molecules in aqueous solution is (macroscopically...

Dancing DNA: tripping the light fantastic with heredity's master...

Science News;  August 3, 1991 ;     700+ words ......became the first to film individual DNA molecules - live. The footage attracted little...to witness the dance of individual DNA molecules as they twirl and snake through gels...long-standing mystery about how gels can sort DNA molecules by size convinces them that this imaging...

Charge Structure and Counterion Distribution in Hexagonal DNA Liquid...

Biophysical Journal;  February 1, 2007 ;     700+ words ......simulation of a hexagonal assembly of nine DNA molecules showed that the inter-DNA distance...ordering of the counterions between the DNA molecules and the absence of charge fluctuations...counterions induce attraction between DNA molecules and play a central role in stabilizing...

BOSTON UNIVERSITY SCIENTISTS DEVELOP NEW APPLICATION TO CHARACTERIZE...

US Fed News Service, Including US State News;  March 1, 2006 ;     460 words ......provides insight into the shape of DNA molecules attached to surfaces, such as microarrays...genomics research. Determining how DNA molecules conform to microarry surfaces may significantly...sensitive to variations in the shape of DNA molecules," said Bennett Goldberg, professor...

DNA as a Metrology Standard for Length and Force Measurements with Optical...

Biophysical Journal;  December 1, 2006 ;     700+ words ......in physical units. Here we show that DNA molecules may be used as metrology standards...and length measurements. Analysis of DNA molecules of two specific lengths allows simultaneous...convenient method whereby a pair of DNA molecules may be used as reference standards...

Researchers Develop New Technique for Making DNA Nanostructures:...

Ascribe Higher Education News Service;  September 17, 2002 ;     312 words ......method to make very small patterns of DNA molecules on surfaces has been developed by chemists...nanometers long -- equivalent to eight DNA molecules across. The same method can be applied...layer. The researchers showed that the DNA molecules were accessible and chemically active...