powder in Biological News

State fund advances titanium powder research, 9 other Iowa State projects

... a cheaper and better way to make a titanium alloy powder that can be used to manufacture artificial ... creation of a new startup business called Iowa powder Atomization Technologies and a new biomedical ... program, will help advance the titanium powder project and nine others on the Iowa State ...

Grapes may aid a bunch of heart risk factors, animal study finds

... test diet and the control rats receiving no grape powder including some that received a mild dose of a ... the rats that received the grape-enriched diet powder had lower blood pressure, better heart function, ... failure was changed by the addition of grape powder to a high-salt diet," he says. "Although there ...

Purple tomatoes: The richness of antioxidants against tumors

... commonly known as the "genome guardian", with a powder obtained from purple tomatoes. P53 is a key ... second group was fed diet supplemented with 10% powder from freeze-dried red tomatoes and the last one with 10% powder from purple tomatoes. "We have not re-corded ...

Tests show LLNL detection instrument can monitor the air for all major terrorist threat substances

... (a nerve agent surrogate), natural cobalt powder (a surrogate for Cobalt 60 and other radioactive ... tests involved the use of natural cobalt powder and RDX, and a non-pathogenic strain of Bacillus ... enforcement authorities in examining suspicious powder samples. ...

New decontamination system kills anthrax rapidly without lingering effects

... cathode ray tube. When an electron beam hits a powder phosphor, it luminesces and emits visible and/or ... We knew that Georgia Tech had experts in powder phosphors with regard to flat panel displays and ... quartz tube was the best container to hold the powder inside the furnace. Wagner and Menkara also found ...

Unveiling the structure of microcrystals

... is considered a powder. Scientists can apply powder diffraction to analyse such a material but this technique is not easy to exploit. Moreover, powder diffraction can only be used for materials with ... of the structure of new synthetic solids in powder form is not always possible because the crystals ...

Powerful nutrient cocktail can put kids with Crohn's into remission

... efficiently get their daily nutrients? The answer was a specially-designed powder that contains all the daily nutrients a person needs. Aboard spacecrafts, astronauts dine on this nutritional powder mixed with water. Since then, these powders have become a common item on ...

Chemopreventive agents in black raspberries identified

... some promising results, but required patients to take up to 60 grams of powder a day. "Now that we know the anthocyanins in berries are almost as active ... said Stoner. "The goal is to potentially replace whole berry powder with its active components and then figure out better ways to deliver ...

ORNL nanotechnologies big winners in DOE call

... and Stevens Institute of Technology, ORNL's John Simpson will optimize powder properties and binders to produce more uniform and durable coatings for a ... and components for a wide range of wear-resistant applications. Carpenter powder Products is ORNL's partner in this project. Microwave and beam ...

Certain form of tomatoes could be key to prostate cancer prevention

... the greatest protective effect from tomatoes comes from rehydrating tomato powder into tomato paste, said Valeri Mossine, research assistant professor of ... in the control group had tumors; 30 percent of the group fed tomato powder had tumors; and 25 percent of the group fed tomato paste alone had ...

More efficient fuel-cells, thanks to a new catalyst

... 104 million tons with respect to emissions from petrol. Catalysts in powder form Once the suitable catalyst was found, Dr. Barranco set out to ... Dr. Barranco decided to change its form. The result is a very fine powder that is placed in a container to spray paint the membrane. Not only this: ...

Carbon nanoparticles toxic to adult fruit flies but benign to young

... a control test tube and test tubes containing four different types of carbon nanoparticles corresponding with their commercial uses carbon black (a powder much like printer toner), C60 (spherical molecules known as carbon buckyballs, named for Buckminster Fuller's geodesic designs), single-walled carbon ...

Early detection and quick response are key to defense against anthrax attack

... attack scenarios typically involve the release of one kilogram of weaponized anthrax from a small airplane flying over a major city. The invisible powder could be inhaled by thousands or hundreds of thousands, who would start becoming sick anywhere from 24 hours to a week or more after the attack. With ...

New advance in revolutionary 'bullet fingerprinting' technique

... process and even if it only leads to small increase in success rate, then that would be significant. "Previous recovery methods include applying powder to the material which can actually damage the evidence. This new technique promotes a naturally occurring process which does not involve adding ...

American Chemical Society's Weekly Presspac -- June 17, 2009

... emissions between traditional and improved stoves using either raw (unprocessed) coal chunks or coal briquettes. The briquettes consist of coal powder and clay and are molded into multihole columns. They found that burning briquettes in well-ventilated stoves dramatically reduced black carbon ...

CU-Boulder study shows Maya intensively cultivated manioc 1,400 years ago

... today have a long tradition of cutting manioc roots into small chunks, drying them eight days, then grinding the chunks into a fine, flour-like powder known as almidn. Almidn can be stored almost indefinitely, and traditionally was used by indigenous people in the region for making tamales and ...

Cocaine: Perceived as a reward by the brain?

... to addictive drugs. This study was carried out in ten non-addicted users of cocaine, all of whom sniffed cocaine on one test day and placebo powder on another. Participants underwent blood tests before and after taking the drug, and dopamine release in the brain was measured using PET scans. ...

American Chemical Society's Weekly PressPac -- May 13, 2009

... are relatively simple to use, requiring little or no sample preparation. ARTICLE #1 FOR IMMEDIATE RELEASE "Melamine Detection in Infant Formula powder Using Near- and Mid-Infrared Spectroscopy" DOWNLOAD FULL TEXT ARTICLE: http://pubs.acs.org/stoken/presspac/presspac/full/10.1021/jf900587m ...

New technology shows promise against resistant staph infections

... method of generating NO from sodium nitrite within a novel nanoparticle formulation. The nanoparticles are stable when dry and resemble a fine white powder when present in large amounts. "As the particles take on water, they loosen up and the nitric oxide slowly trickles out, releasing specific ...

AGU journal highlights -- Dec. 31, 2008

... down a steep polar scarp near the north pole in discrete clouds. Russell et al. analyze these events and find them to be similar to terrestrial powder avalanches, sluffs, and falls of loose, dry snow. The authors discuss material sources and initiating mechanisms for these cascades in the context of ...

Electromagnetic phantom exorcises specters of metal detector tests

... Department of Justices National Institute of Justice (NIJ), researchers in NISTs Electromagnetics Division mixed a polymer with carbon blacka fine powder made almost entirely of elemental carbonto yield a low-cost, easily molded compound that can mimic the average electrical conductivity of the human ...

MIT: Safe storage of greenhouse-gas carbon dioxide

... 2 ," he said. Already Juanes and co-author CEE graduate student Michael L. Szulczewski have applied their model to the Fox Hills Sandstone in the powder River basin straddling Montana and Wyoming. They found that the formation would hold around 5 gigatons of CO 2 more than half of all the CO 2 ...

Lower your blood pressure, hydrate your skin and reduce dental plaque -- with chocolate?

... in calories. One doesn't even need to eat "chocolate" in the conventional sense to reap the health benefits of flavanols: add natural cocoa powder into foods like oatmeal or yogurt or put it into recipes and the health results will be the same. There are psychological and sensory benefits to ...

Resveratrol, red wine compound linked to health, also found in dark chocolate and cocoa

... categories included cocoa powder, baking chocolate, dark chocolate, semi-sweet baking chips, milk chocolate and chocolate syrup. Gram for gram, cocoa powder had the highest average amount of resveratrol and piceid, followed by baking chocolates, dark chocolates, semi-sweet chips, milk chocolate and then ...

ACS PressPac -- Sept. 17, 2008

... and large energy inputs, but yields little usable oil. The scientists describe laboratory scale experiments in which addition of inexpensive iron powder to oil shale, combined with heating with electric heating coils, substantially increased oil production by more than 100 percent for some shales. ...

A better way to make hydrogen from biofuels

... and inexpensive, but still highly active and stable. So that sets us apart from most of the other groups in the world." The new dark gray powder is made from tiny granules of cerium oxide -- a common ingredient in ceramics -- and calcium, covered with even smaller particles of cobalt. It ...

UT Health Science Center researchers study diet and autism

... behavior in these children. Children will be taken off gluten and dairy products before the four-week study and then half will be given gluten/milk powder and half will be given a placebo powder. Researchers will study intestinal permeability (leaky gut) through urine collection and behavior through ...

Colorado Rocky Mountain Region: A Geological Cornucopia

... this well-rounded volume include the history of volcanism and gold mineralization at Cripple Creek, development of coalbed methane resources in the powder River Basin, a long-lived subsurface coal fire in western Colorado, and the stream ecosystem of Boulder, Colorado's, Boulder Creek. ...

Story tips from the Department of Energy's Oak Ridge National Laboratory, July 2008

... taken out of a nitric acid solution are in a glassy structure that has to be processed with steps such as milling and grinding. The solid-oxide powder from the modified direct denitration process can go right to pellet form. The process is the first separation of spent nuclear fuel where plutonium ...

New fingerprint breakthrough by forensic scientists

... to that used in photocopiers. "Even if the fingerprint has been washed off, it leaves a slight corrosion on the metal and this attracts the powder when the charge is applied, so showing up a residual fingerprint. "The technique works on everything from bullet casings to machine guns. Even if ...

A new idea for how anti-aging products delay ripening of fruit and wilting of flowers

... a ring-structured biocompatible molecule formed of six linked glucose units, to produce a stable, water-soluble powder. When the powder is dissolved in water, 1-MCP is released as a vapor that travels through the air, making its way eventually to plants ethylene receptors. Novel ...

UTMB inventions win University of Texas System commercialization awards

... department), is a new technology meant to dramatically improve the delivery of inhaled drugs, such as those found in asthma inhalers. This dry powder pulmonary drug delivery system is aimed especially at emergency drug treatment of heart attacks and toxic gas exposure. UTMB is proud that both of ...

Researchers mimic bacteria to produce magnetic nanoparticles

... of the synthetic nanoparticles which showed that Mms6 produced well-formed, faceted crystals resembling those produced naturally by the bacteria. powder X-ray diffraction studies verified the crystal structure of the particles. Ames Lab physicist Ruslan Prozorov, tested the magnetic properties of ...

Manufactured Buckyballs don't harm microbes that clean the environment

... substances in wastewater, the scientists used an amount of the nanoparticles on the microbes that was equivalent to pouring 10 pounds of talcum powder on a person. Because high amounts of even normally safe compounds, such as talcum powder, can be toxic, the microbes' resiliency to high Buckyball ...

USGS April 2008 science picks

... evolution of field clay is calcined clay, which is clay that has been heated in a furnace at about 2,000 F. Once calcined, the clay is ground into a powder that readily absorbs water, reduces soil compaction, and will not stick to cleats. This type of product is used as an infield conditioner and to dry ...

UD's Bobev receives NSF Early Career Award for research on novel compounds of rare Earth metals

... using state-of-the art techniques available at UD. The group will then analyze the crystal chemistry of the compounds and their properties using powder and single-crystal X-ray diffraction, scanning electron diffraction, and magnetometry. A portion of the experiments is expected to be conducted at ...

Root or shoot? EAR calls the shots

... Permanently switch on a gene called BODENLOS (or bottomless) and plants forgo root development altogether. Dip plant cuttings into hormone rooting powder and roots start to sprout where none have been. The active ingredient, a synthetic version of the plant hormone auxin that regulates root growth in ...

Unique porous copper structure enables new generation of military micro-detonators

... in GTRI is a significant improvement over the copper foam material that Indian Head had previously been evaluating. Produced with a sintered powder process, the foam was fragile and non-uniform, meaning Navy scientists couldnt precisely predict reliability or how much explosive would be created ...

HU scientist finds way to catch terrorists red-handed

... explosive on hands of suspects, door handles, luggage containers and vehicles, and it can distinguish between sugar or any innocent looking powder and urea nitrate. Prof. Almog, who says the spray detector is easy to use and inexpensive, sees it being adopted as a standard arsenal of law ...