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Lab Daily

Optical Cancer Probe May Reduce Unnecessary Biopsies

August 12, 2014 7:00 am | by American Institute of Physics | News | Comments

<p>As thousands of vacationers hit the beach this summer, many of them will expose their unprotected bare limbs to direct UV sunlight, potentially putting them at risk of skin cancer later in life. To fight back, scientists turned to light, designing optical devices that may detect cancerous skin lesions early on, leading to better treatment outcomes and ultimately saving lives.</p>

Forensic Tech Monitors Drug Residues in Milk

July 17, 2014 7:00 am | by Iowa State Univ. | News | Comments

Veterinarians are using advanced forensic techniques and the same technology used by crime scene investigators to monitor drug residues in milk and meat. They are working with producers to strengthen food safety and make sure animals are medicated properly.

Protein Factory has Alternate Operating Manual

July 17, 2014 7:00 am | by Univ. of Maryland | News | Comments

Working with a gene that plays a critical role in HIV infection, researchers have discovered that some human genes have an alternate set of operating instructions written into their protein-making machinery. The alternate instructions can quickly alter the proteins' contents, functions and ability to survive.


Spray Could Save Cocoa Crop

July 17, 2014 7:00 am | by Penn State Univ. | News | Comments

Cocoa farmers will lose an estimated 30 to 40 percent of their crop to pests and disease this year. With chocolate prices having risen globally by roughly two-thirds in the past decade, concern is growing about sustainability in cocoa production. But scientists have found a safe, biodegradable potential alternative to the hazardous antifungal agents currently being used to combat one of the most damaging cacao diseases.

Researchers Learn One Secret of Mysterious Amber

July 17, 2014 7:00 am | by ACS | News | Comments

The warm beauty of amber was captivating and mysterious enough to inspire myths in ancient times, and even today, some of its secrets remain locked inside the fossilized tree resin. But for the first time, scientists have now solved at least one of its puzzles that had perplexed them for decades.

Martian Salts Must Touch Ice to Make Liquid Water

July 17, 2014 7:00 am | by Univ. of Michigan | News | Comments

In chambers that mimic Mars' conditions, researchers have shown how small amounts of liquid water could form on the planet despite its below-freezing temperatures. A type of salt present in Martian soil can readily melt ice it touches. But this Martian salt cannot, as some scientists suggested, form liquid water by sucking vapor out of the air through a process called deliquescence.

Blowflies Act as Meth Detectors

July 8, 2014 7:00 am | by ScienceNetwork WA | News | Comments

The humble blowfly could lead to better detection of methamphetamine (MA) in decomposing tissue. Research has explored the effect of MA on the development, growth rates and survival of the blowfly in relation to estimating post-mortem intervals.

Portable Lab Quickly Spots Cocaine in Urine

July 8, 2014 7:00 am | by ACS | News | Comments

Testing for cocaine and other drugs usually involves two steps: a quick on-site prescreen, and then a more accurate confirmatory test at a distant laboratory. Now, researchers report development of a backpack-sized device that can perform highly accurate and sensitive tests anywhere within 15 minutes.


'Ruler' is First Standardized Way to Measure Stars

July 8, 2014 7:00 am | by Univ. of Cambridge | News | Comments

Previously, there was no unified system of reference for calibrating the heavens. But now, when investigating the atmospheric structure and chemical make-up of stars, astronomers can use a new stellar scale as a “ruler” – making it much easier for them to classify and compare data on star discoveries.

Device Measures Chemical Weapons' Effects on Surfaces

July 8, 2014 7:00 am | by Virginia Tech | News | Comments

For the last five years, a research team has been doing something no group has done before— they have engineered, designed and built an instrument, the size of which fills an entire laboratory, to study how chemical warfare agents react on surfaces.

DNA Relaxes to Protect Itself from UV Light

July 8, 2014 7:00 am | by SLAC National Accelerator Laboratory | News | Comments

The molecular building blocks that make up DNA absorb ultraviolet light so strongly that sunlight should deactivate them– yet it does not. Now scientists have made detailed observations of a “relaxation response” that protects these molecules, and the genetic information they encode, from UV damage.

Cool Climate Magnified Ancient American Lakes

June 19, 2014 7:00 am | by Stanford Univ. | News | Comments

New research shows that enormous lakes that existed in the western U.S. during the peak of the last Ice Age grew large because of a cooler climate and a reduced evaporation rate. The finding could help improve computer simulations of climate change.

Researchers Study Surface Catalysts in Real-time

June 19, 2014 7:00 am | by Univ. of South Carolina | News | Comments

Surface catalysts are notoriously difficult to study mechanistically, but scientists have shown how to get real-time reaction information from Ag nanocatalysts that have long frustrated attempts to describe their kinetic behavior in detail.

Research Verifies Rose Species as Medicine

June 19, 2014 7:00 am | by American Society for Horticultural Science | News | Comments

A new study identified specific phenolic compounds found in the petals of indigenous rose species and compared them with the phenolic profiles of modern rose cultivars to determine differences in the makeup of roses traditionally used for medicinal purposes and those varieties cherished for aesthetic qualities.

Scientists Still Find Deepwater Horizon Oil on Shore

June 19, 2014 7:00 am | by Bigelow Laboratory for Ocean Sciences | News | Comments

Years after the 2010 Deepwater Horizon Oil spill, as oil continues to wash ashore as "sand patties" and persists in salt marshes abutting the Gulf of Mexico, questions remain about how much oil has really been deposited on the seafloor.

Red Tide Knocks Out Competition

June 19, 2014 7:00 am | by Georgia Institute of Technology | News | Comments

New research reveals how the algae behind red tide thoroughly disables– but doesn’t kill– other species of algae. The study shows how chemical signaling between algae can trigger big changes in the marine ecosystem.

Column Chiller Ideal for Chiral Chromatography

June 16, 2014 5:05 pm | Product Releases | Comments

Torrey Pines Scientific’s EchoTherm Model CO50 Programmable HPLC Column Chiller/Heater has a temperature range of 4.0 to 100.0 C readable and is settable to 0.1 C. The PID control software regulates temperatures to ±0.2C, even at ambient.

SPE Plates Boast Low Elution Volumes

June 16, 2014 5:02 pm | Product Releases | Comments

Thermo Fisher Scientific’s SOLAµ solid phase extraction (SPE) micro elution plates meet the growing trend in bioanalysis toward higher levels of sensitivity and reproducibility with decreasing sample volumes. Using SOLA SPE technology, the plates are designed to deliver robust, reproducible processing at elution volumes as low as 25 µL.

Gas Purifier Operates at 1500 PSIG

June 16, 2014 4:59 pm | Product Releases | Comments

SGD’s high capacity gas purifier housing Model 8000A features a rated operating pressure of 1500 psig. It is constructed of a machined aluminum shell that accepts a high-capacity replaceable cartridge.

CRM Accurately Tests Medical Cannabis

June 16, 2014 4:58 pm | Product Releases | Comments

Restek has expanded its comprehensive selection of cannabinoid-related reference standards by adding cannabidiolic acid (CBDA, cat no. 34094). This diluted standard is DEA-exempt, so there's no need to purchase costly neat materials or make your own standards, and it is prepared in acetonitrile, which helps maintain stability by preventing methylation of the carboxylic acid group on the molecule.


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