News tagged with three dimensional shape


Scientists create custom 3D structures with 'DNA origami'

Chemistry / Biochemistry

created May 20, 2009 | popularity 4.2 / 5 (6) | comments 0

BOSTON--By combining the art of origami with nanotechnology, Dana-Farber Cancer Institute researchers have folded sheets of DNA into multilayered objects with dimensions thousands of times smaller than the thickness of a ...





Search results for three dimensional shape


Entropy alone creates complex crystals from simple shapes, study shows

Entropy alone creates complex crystals from simple shapes, study shows

Chemistry / Materials Science

created 20 hours ago | popularity 4.9 / 5 (20) | comments 2

(PhysOrg.com) -- In a study that elevates the role of entropy in creating order, research led by the University of Michigan shows that certain pyramid shapes can spontaneously organize into complex quasicrystals.


New technology helps scientists understand ancient fossils

Other Sciences / Archaeology & Fossils

created Dec 07, 2009 | popularity 5 / 5 (1) | comments 1

Some of the world's oldest human bones and other ancient relics are studied here using some of the world's newest technologies.


A challenge to improve Nuclear Magnetic Resonance for structural biology

Chemistry / Biochemistry

created Nov 30, 2009 | popularity 4 / 5 (1) | comments 0

(PhysOrg.com) -- In structural biology, the only technique available to predict the three dimensional structure of large complex molecules in solution, such as proteins and DNA, is NMR spectroscopy. To catalyze improvements ...


Feeling the way

Feeling the way: Robotic device can help visually impaired people

Technology / Engineering

created Nov 23, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- For many people, it has become routine to go online to check out a map before traveling to a new place. But for blind people, Google maps and other visual mapping applications are of little ...


Water droplets direct self-assembly process in thin-film materials

Nanotechnology / Nanomaterials

created Nov 23, 2009 | popularity 5 / 5 (5) | comments 2

You can think of it as origami - very high-tech origami. Researchers at the University of Illinois have developed a technique for fabricating three-dimensional, single-crystalline silicon structures from thin films by coupling ...


Computational microscope peers into the working ribosome

Computational microscope peers into the working ribosome (w/ Video)

Biology / Cell & Microbiology

created Nov 23, 2009 | popularity 4.9 / 5 (9) | comments 2

Two new studies reveal in unprecedented detail how the ribosome interacts with other molecules to assemble new proteins and guide them toward their destination in biological cells. The studies used molecular ...


An atomic-level look at an HIV accomplice

Chemistry / Biochemistry

created Nov 19, 2009 | popularity 1 / 5 (1) | comments 0

(PhysOrg.com) -- Since the discovery in 2007 that a component of human semen called SEVI boosts infectivity of the virus that causes AIDS, researchers have been trying to learn more about SEVI and how it works, in hopes of ...


Researchers 'notch' a victory toward new kind of cancer drug

Medicine & Health / Cancer

created Nov 11, 2009 | popularity 4 / 5 (4) | comments 1

(PhysOrg.com) -- Scientists have devised an innovative way to disarm a key protein considered to be "undruggable," meaning that all previous efforts to develop a drug against it have failed. Their discovery, published in ...


Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits

Scientists develop DNA origami nanoscale breadboards for carbon nanotube circuits

Nanotechnology / Nanomaterials

created Nov 10, 2009 | popularity 5 / 5 (7) | comments 0

In work that someday may lead to the development of novel types of nanoscale electronic devices, an interdisciplinary team of researchers at the California Institute of Technology has combined DNA's talent ...


Perfectly proportioned

Perfectly proportioned: Working to improve dry compaction and sintering

Technology / Engineering

created Nov 03, 2009 | popularity 5 / 5 (1) | comments 0

(PhysOrg.com) -- The manufacture of parts by compaction and sintering involves filling a die with metal powder. Research scientists have simulated this process for the first time to achieve an evenly distributed ...



List of search results for three dimensional shape