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News articles about "biological"

Dairy's carbon footprint: Flatulence tops the list

Carbon, carbon
Researchers at the University of Arkansas are attempting to help the U S dairy industry decrease its carbon footprint as concentrations of carbon dioxide in Earth's atmosphere reach record levels In 2007 Americans consumed approximately ... - Read More

Biologists take snapshot of fleeting protein process

Protein, Protein, protein
Structural biologists from Rice University and Baylor College of Medicine BCM have captured the first three dimensional crystalline snapshot of a critical but fleeting process that takes place thousands of times per second in each ... - Read More

Hybrid carbon nanotube yarn muscle

Carbon nanotube
Professor Seon Jeong Kim of Hanyang University has created a high capacity yarn muscle that does not require electrolytes or special packaging It will have a big impact in the motor biological and robot industry ... - Read More

Shape-shifting nanoparticles flip from sphere to net in response to tumor signal

tumor
Scientists at the University of California San Diego have designed tiny spherical particles to float easily through the bloodstream after injection then assemble into a durable scaffold within diseased tissue An enzyme produced by a ... - Read More

New 1-step process for designer bacteria

A simpler and faster way of producing designer bacteria used in biotechnology processes has been developed by University of Adelaide researchers The researchers have developed a new one step bacterial genetic engineering process called 'clonetegration' ... - Read More

Fast-sinking jellyfish could boost the oceans' uptake of carbon dioxide

Fast, Oceans
The oceans absorb about 25 percent of the carbon dioxide CO2 emitted by human activities Since the industrial revolution they have taken up about half of the human made CO2. Billions of planktonic organisms too ... - Read More

Models from big molecules captured in a flash

molecules, Flash
To learn how biological molecules like proteins function scientists must first understand their structures Almost as important is understanding how the structures change as molecules in the native state do their jobs Existing methods for ... - Read More

Optics: Statistics light the way

A revelation of how photoreceptive cells in the eye distinguish between different light sources could pave the way for a novel class of optical devices Millions of years of evolution have molded our eyes into ... - Read More

Fast new, one-step genetic engineering technology

A new streamlined approach to genetic engineering drastically reduces the time and effort needed to insert new genes into bacteria the workhorses of biotechnology scientists are reporting Published in the journal ACS Synthetic Biology the ... - Read More

Single-cell transfection tool enables added control for biological studies

Northwestern University researchers have developed a new method for delivering molecules into single targeted cells through temporary holes in the cell surface The technique could find applications in drug delivery cell therapy and related biological ... - Read More

Geochemist aids development of geologic time scale for study of Earth's history

Time
A Boise State University researcher has taken a lead role in developing the most current timetable on Earth's geologic history Geochemist Mark Schmitz is one of four editors on The Geologic Time Scale 2012 or ... - Read More

How gold nanoparticles can help fight ovarian cancer

Positively charged gold nanoparticles are usually toxic to cells but cancer cells somehow manage to avoid nanoparticle toxicity Mayo Clinic researchers found out why and determined how to make the nanoparticles effective against ovarian cancer ... - Read More

Origins of life: In early Earth, iron helped RNA catalyze electron transfer

Earth, earth
A new study shows how complex biochemical transformations may have been possible under conditions that existed when life began on the early Earth The study shows that RNA is capable of catalyzing electron transfer under ... - Read More

Advance in nanotech gene sequencing technique

Nanotech
The allure of personalized medicine has made new more efficient ways of sequencing genes a top research priority One promising technique involves reading DNA bases using changes in electrical current as they are threaded through ... - Read More

In Early Earth, Iron Helped RNA Catalyze Electron Transfer

Released 5 14 2013 9 50 PM EDTEmbargo expired 5 19 2013 1 00 PM EDTSource Newsroom Georgia Institute of Technology Research Communications more news from this source May 19 2013 A new study shows ... - Read More

Research into carbon storage in Arctic tundra reveals unexpected insight into ecosystem resiliency

Carbon, Ecosystem, Ecosystem, carbon
When UC Santa Barbara doctoral student Seeta Sistla and her adviser environmental studies professor Josh Schimel went north not long ago to study how long term warming in the Arctic affects carbon storage they had ... - Read More

Beautiful 'flowers' self-assemble in a beaker

Beaker
Spring is like a perhaps hand wrote the poet E E Cummings carefully moving a perhaps fraction of flower here placing an inch of air there without breaking anything With the hand of nature trained ... - Read More

DNA-guided assembly yields novel ribbon-like nanostructures

Nanostructures
Scientists at the U S Department of Energy's Brookhaven National Laboratory have discovered that DNA linker strands coax nano sized rods to line up in way unlike any other spontaneous arrangement of rod shaped objects ... - Read More

Groundwater unaffected by shale gas production in Arkansas

A new study by scientists at Duke University and the U S Geological Survey USGS finds no evidence of groundwater contamination from shale gas production in Arkansas Our results show no discernible impairment of groundwater ... - Read More

Natural 'keystone molecules' punch over their weight in ecosystems

Naturally occurring keystone molecules that have powerful behavioral effects on diverse organisms often play large but unrecognized roles in structuring ecosystems according to a theory proposed in the June issue of BioScience The authors of ... - Read More
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