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Shell in Biological News

All-in-1 nanoparticle: A Swiss Army knife for nanomedicine

... to surround a quantum dot core with a thin gold shell held at 3 nanometers distance, so the two ... controlled the separation between the gold shell and the nanoparticle core by using chains of ... the researchers to build a 2- to 3-nanometer gold shell that's thin enough to allow about half of the ...

Beetle shell inspires brilliant white paper

... of Exeter has taken inspiration from the shell of the Cyphochilus beetle to understand how to ... Applied Optics , shows how some of the beetle's shell structure can be mimicked to produce coatings for ... would need to be twice as thick as the beetle shell to be as white. The team has now shown that ...

Orientation of antenna protein in photosynthetic bacteria described

... fondly refers to the FMO protein as the taco shell protein because of its structure: its ribbon-like ... clusters of seven chlorophylls, just like a taco shell around ground beef. The structure also is ... because of the three clusters. The taco shell is a sort of "middleman" in the antenna system, ...

Mollusks taste memories to build shells

... and of molecular and cell biology. "The shell is laid down in layers, so the mantle is sensing ... Academy of Sciences , reproduces nearly all known shell shapes, ranging from scallops to whelks, and nearly all the shell patterns that make beachcombing so popular. ...

Penn biologists demonstrate that size matters... in snail shells

... a dramatic increase in the size of its shell during less than a century, providing a clear ... Nucella lapillus , the Atlantic dogwhelk, is that shell length increased at all 19 sites where samples were taken. shell lengths of N. lapillus increased by an average ...

Crabs' memory of pain confirmed by Queen's academic

... industries are treated. Hermit crabs have no shell of their own so inhabit other structures, usually ... out of the shell, to see what happened when a new shell was then offered. Crabs that had been shocked but had remained in their shell appeared to remember the experience of the shock ...

Superglue from the sea

... sturdy tube-shaped homes from bits of sand and shell and their own natural glue. University of Utah ... tubes several inches long, using sand grains and shell fragments. "They will not leave their tube. ... Tiny, hair-like cilia brush the sand grains and shell pieces down the tentacles so they can be grabbed ...

Plastics suspect in lobster illness

... HOLE, MAThe search for what causes a debilitating shell disease affecting lobsters from Long Island Sound ... of the illness. "Lobsters 'know' when their shell is damaged, and that's probably the reason when they have shell disease, why they molt more quickly," says ...

Prof. David Kisailus studies engineering and invention on the half-shell

... of Californias marine snails, with a large oval shell that coastal Native Americans once used as a shallow bowl. Inside the shell is mother-of-pearl, or nacre, a tough material ... As the red abalone grows, it constructs its shell in the same way a new building goes up, girders ...

Satellites take sustainability to new heights

... shell Canada has incorporated Earth Observation data ... Sustainable Development Integration Manager at shell Canada, said. "They present clear, accessible ... firm based in Canada, led a team working with shell Canada and Albian Sands Energy to provide ...

Mystery behind the strongest creature in the world

... the structure of the species peculiar protective shell which could aid design of intelligent materials. ... used the latest imaging techniques to study the shell of the beetle - a scanning electronic microscope ... The researchers used dry specimen of the beetles shell to test in laboratory conditions. The beetle, ...

March GEOLOGY and GSA TODAY media highlights

... Identifying tsunami deposits using bivalve shell taphonomy S.V. Donato et al., McMaster ... et al.s study documents the characteristics of a shell bed deposited by the 1945 tsunami in Sur Lagoon, ... tsunami deposits in the geologic record using shell preservation. ...

Biochemists reveal details of mysterious bacterial microcompartments

... structure closes in three dimensions, forming a shell around the enzymes encased inside. If ... the structure folds in the carboxysome, a protein shell that is the best-known and most-studied microcompartment. The shell has a structure like a soccer ball or the large, ...

Ecologists, material scientists pursue genetics of diatom's elegant, etched casing

... pseudonana is encased in a hatbox-shaped shell comprised of a rigid cell wall, made mainly of ... only a handful of genes that influence diatom shell formation. The work with Thalassiosira pseudonana ... genes involved in the production of the silica shell were triggered. Individual diatoms also tended to ...

Shell Provides Consumers Gasoline Industry's First Pay By Touch Technology at the Pump

... touch of a finger thanks to a new payment method shell Oil Products US is piloting in Chicagoland ... and secure biometric payment technology. shell is piloting Pay By Touch at 10 Chicagoland retail ... the pump with your finger? Pay By Touch will help shell customers refill faster and easier, which is why ...

Nature leads the way for the next generation of paints, cosmetics and holograms

... of millions of years ago, has a hard silica shell which is iridescent in other words, the shell displays vivid colours that change depending on ... caused by a complex network of tiny holes in the shell which interfere with light waves. UK ...

Carnegie Mellon scientist uses mass spectrometer to weigh virus particle, von Willebrand factor

... Biers group successfully analyzed the outer shell of the HK97 virus. They collected a mass spectrum ... (12,900 kiloDaltons) and the uncleaved protein shell (17.7 megaDaltons), which revealed an ... of Pittsburgh, who studies how the outer shell of the HK97 virus assembles. Because Hendrix ...

Scientists announce top 10 new species, issue SOS

... oldest known live-bearing vertebrate) and the very twisted (a snail whose shell twists around four axes). Rounding out this year's list are a palm that ... found in Malaysia, represents a unique morphological evolution, with a shell that twists around four axes. It is endemic to a unique limestone hill ...

Shellfish face an uncertain future in a high CO2 world

... that is prone to erosion at low pH. Adult oysters continue to build shell but generate calcite, a more durable form of calcium carbonate. In ... his team found that Eastern oysters experienced a 16 percent decrease in shell area and a 42 percent reduction in calcium content when specimens in the ...

Scientists announce top 10 new species; issue SOS

... oldest known live-bearing vertebrate) and the very twisted (a snail whose shell twists around four axes). Rounding out this year's list are a palm that ... found in Malaysia, represents a unique morphological evolution, with a shell that twists around four axes. It is endemic to a unique limestone hill ...

April 2009 Geology and GSA Today media highlights

... may have dealt with this problem--the first terrestrial animals carried a shell on their backs. Like modern hermit crabs, these ancient pioneers had a ... into a coiled snail shell. One advantage of doing this was that the shell may have acted as a humid chamber to keep their gills moist. This would ...

'Strained' quantum dots show new optical properties

... the lattices of the semiconductors making up the inner core and outside shell of the particle creates strain: the core is squeezed and the shell is stretched. This physical strain changes the energies, and wavelengths, ...

Animal and biological science highlights: San Antonio Fluid Dynamics Conference, Nov. 23-25

... them in action. The scientists found that the clams open and close their shell in a synchronized manner as they dig. "By pushing itself UP with its foot ... of the shell. Given the extra space, the sand at the leading edge of the shell can unpack." This "fluidizes" the normally solid seafloor in a small ...

Keeping an eye on the surroundings

... spectroscopy is a sensitive method for the investigation of the water shell that surrounds proteins. In the layers immediately surrounding the ... detects reorientations of the interactions between a protein and its water shell in an early phase of the folding process. ...

February Geology and GSA Today media highlights

... mollusks were millimeter-scale animals. Mollusks are usually born with a shell which accompanies them their whole life. As they grow in size, so does the shell, but only at the margins; therefore, the juvenile shell always remains visible at the tip of the adult one. Mart Mus et al. have ...

New southernpeas developed by ARS, cooperators

... are waiting for the pods to become dry enough to machine-harvest and to shell the peas from the pods. Double-greenness gives GreenPack-DG a ... that should make it especially popular with home gardeners, who typically shell by hand. Larger-scale growers will find the southernpea suitable for ...

Engineered eggshells to help make hydrogen fuel

... nearly 91 billion eggs in 2006. That equates to about 455,000 tons of shell per year that could potentially be used in hydrogen production. Still, Fan said, even if all that shell were utilized, it would only provide a portion of what the United States ...

Features of replication suggest viruses have common themes, vulnerabilities

... virus takes over most of the available membrane. The protein creates a shell inside the spherule" to provide stability, and it is this use of a protein shell in replicating viral genes, the Wisconsin virologist suggests, that could ...

Surviving mass extinction by leading a double life

... with an extraordinary record of climatic change and other major events in the history of the earth. Now, planktonic foraminifera single-celled shell building members of the marine microplankton community have given up a secret of their very own. A team of experts, including scientists from The ...

Cells use import machinery to export their goods as well

... For the first time, Jaiswal was able to observe individual post-Golgi vesicles as they deliver cargo in their lumen and cargo carried in the membrane shell that surrounds the vesicle. This ability revealed behaviors that were not expected. The researchers showed first that the most common delivery of ...

Rice University researchers ask if biofuels will lead to a 'drink or drive'

... written by Pedro Alvarez, the George R. Brown Professor of Civil and Environmental Engineering, and three colleagues was funded by Rice University's shell Center for Sustainability. The researchers asked if increased biofuel-driven agriculture will affect water-resource availability and degrade water ...

UCSB scientists document fate of huge oil slicks from seeps at coal oil point

... of Coal Oil Point. In addition, the research reveals that the oil is so degraded by the time it gets buried in the sea bed that it's a mere shell of the petroleum that initially bubbles up from the seeps. "These were spectacular findings," said Christopher Reddy, a marine chemist at WHOI and ...

Futronic Launches FS90 USB2.0 Mini Fingerprint Scanner

... is available for customers who want to integrate FS90 into their own products. It is same as FS90 but even smaller because it does not have plastic shell and USB cable. Its size is 43(L) x 24(W) x 25(H) mm and can be easily embedded into any target system. FS90 and its module are ready to work ...

When every photon counts

... allows more interactions between neighbouring gene loci and with the transcription apparatus in three dimensions; euchromatin in a peripheral shell factually has only two dimensions for contacts. However, in nocturnal mammals the advantages of improved night vision seem to have prevailed. ...

Futronic Launches FS90 USB2.0 Mini Fingerprint Scanner

... is available for customers who want to integrate FS90 into their own products. It is same as FS90 but even smaller because it does not have plastic shell and USB cable. Its size is 43(L) x 24(W) x 25(H) mm and can be easily embedded into any target system. FS90 and its module are ready to work ...

Ancient diatoms lead to new technology for solar energy

... conversion of light to electricity, and improve energy production in the process. The insertion of nanoscale tinanium oxide layers into the diatom shell has been reported in ACS Nano , a publication of the American Chemical Society, and the Journal of Materials Research , a publication of the ...

Turtles no longer turned into souvenirs

... more than 23,000 items made from hawksbill turtles for sale. A February revisit of the same locations revealed a dramatic reduction with only 135 shell items. The success has been achieved thanks to a widespread government-led action launched in November 2008. The Dominican Republic has encouraged ...

Fossil fragments reveal 500-million-year-old monster predator

... three years as part of her doctoral thesis. "The use of the large carapace extending from the front of its head is a mystery. In many animals, a shell or carapace is used to protect the soft-parts of the body, as you would see in a crab or lobster, but this structure in Hurdia is empty and does ...

Geoscientists discuss sea level rise, extreme storm events and more

... coastal plains, with talks on increasing growth rates in herbivores in Florida following a late Neogene extinction event, investigations of ancient shell beds, and a comparison between fossil shells and recent mollusc populations. ...

Iowa State researchers developing clean, renewable energy for ethanol industry

... commercial-scale gasification systems; and Hawkeye Energy Holdings, an Ames-based ethanol producer with plants in Iowa Falls, Fairbank, Menlo and shell Rock. "We're excited about this research," Brown said. "This project partners the thermochemical conversion of biomass with ethanol production." ...
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(Date:4/17/2014)... honored Clemson professor Rajendra Singh Thursday as a ... and expand solar deployment in the residential, commercial ... Banks Professor of Electrical and Computer Engineering and ... considered a local hero leading the charge across ... in solar power and driving policy changes at ...
(Date:4/17/2014)... honeybees in Europe, Asia and the United States are ... be impacting native honeybee populations at this time, according ... include including Nosema microsporidia and Varroa ... resilient to these invasive pests, which suggests to us ... Asia and the United States currently are not necessary ...
(Date:4/17/2014)... Researchers in France have hit on a novel ... receive the correct and most effective treatment possible., ... the western and developing world. If left untreated, ... to renal failure and other complications. In many ... problem. Clearly a more effective pathological approach to ...
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(Date:4/17/2014)... in the April issue of Immunity , Kevin ... Medical Research, says it,s time to take a fresh ... sepsis, which kills millions worldwide every year, including ... released into the bloodstream to fight an injury or ... for maintaining good health without inflammation, wounds and ...
(Date:4/17/2014)... A Northwestern University synthetic biology team has created ... create programmable therapeutics that could travel the body ... disease. , Engineering cell-based, biological devices that monitor ... in clinical synthetic biology. However, no existing technology ... a patient,s physiological state and respond in a ...
(Date:4/17/2014)... Doctors who treat patients with a severe and ... an agonizing treatment decision. , The drug sirolimus ... relieve shortness of breath. But some patients eventually ... potentially fatal complications following transplantation. , "It,s a ... director of Loyola University Medical Center,s LAM Clinic ...
(Date:4/17/2014)... YORK, NY (April 16, 2014) The cause of ... a new study proposes that neurons may be mistaken ... immune system, similar to the way autoimmune diseases like ... the body,s cells. The study was published April 16, ... a new, and likely controversial, idea in Parkinson,s disease; ...
(Date:4/17/2014)... April 17, 2014 By discovering a new mechanism ... a stroke, researchers at UC Irvine and the Salk ... may limit or prevent stroke-induced brain damage. , A ... cause of death and primary reason for disability in ... a stroke and lets blood-borne material into the brain, ...
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