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The Lead

Core May Hide Most of Earth’s Carbon

December 9, 2014 | by Univ. of Michigan | News | Comments

As much as two-thirds of Earth's carbon may be hidden in the inner core, making it the planet's largest carbon reservoir, according to a new model that even its backers acknowledge is "provocative and speculative."

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Lab Daily

Physicists, Chemists Capture Electrons Moving in Silicon

December 18, 2014 7:00 am | by UC Berkeley | News | Comments

The semiconductor industry is built on the propensity of electrons in silicon to get kicked out of their atomic shells and become free. These mobile electrons are routed and switched though transistors, carrying digital information. An international team of physicists and chemists has taken snapshots of this ephemeral event using attosecond pulses of soft X-ray light lasting only a few billionths of a billionth of a second.

Tech Tracks Underwater Oxygen for Swim Performance, Muscle Repair

December 18, 2014 7:00 am | by SPIE | News | Comments

Swimmers looking to monitor and improve technique, and patients striving to heal injured muscles, now have a new light-based tool to help reach their goals. Researchers have described the first measurements of muscle oxygenation underwater and the development of the enabling technology.

Spectral Signature Lets Researchers ID Seabirds by Poop

December 18, 2014 7:00 am | by British Antarctic Survey | News | Comments

By studying the color of seabird guano in the infrared part of the spectrum, researchers were able to identify and isolate penguin and seabird poo’s unique spectral signature from bare rocks and snow. Applying this to satellite imagery, the team was able to identify all known major colonies of Adelié penguins, and colonies of several species of seabirds.

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Cocaine Quadruples Sudden Death Risk

December 18, 2014 7:00 am | by UPV/EHU | News | Comments

Research has linked the increase in sudden cardiovascular death with the recent consumption of cocaine. In people in the 19-49 age bracket, this risk is quadrupled.

Chemistry Keeps You Safe During Holiday Travels

December 18, 2014 7:00 am | by The Conversation, Martin Boland | News | Comments

As the holidays draw near, many of us will hop on a plane to visit friends and family– or just get away from it all. Some will be subjected to a swab at the airport to test clothes and baggage for explosives. So how does this process work? The answer is chromatography.

Chromatography Techniques: December 2014

December 17, 2014 10:46 am | Digital Editions | Comments

The December issue of Chromatography Techniques details a mass spectrometry technique enables the detection of drugs and medical conditions from just a single drop of fluid, such as blood or urine, within minutes. Other articles include: size of future mass spec, choosing HPLC columns, soft ionization, separation of antibodies. There are also new products. 

TOPICS:

Using TLC to Choose an HPLC Column

December 10, 2014 11:55 am | by Fred Rabel, Owner, ChromHELP, LLC, Woodbury, N.J. | Articles | Comments

Because of the high cost of HPLC columns, there are numerous ways to find out which column(s) might best be of use for an intended but new separation. If some of the components are known, then the literature or manufacturers’ websites can be consulted. This might take some time, but the research of others can save both time and money in your own work.

pH Gradient Speeds Separation of Antibodies

December 10, 2014 11:47 am | by Ken Cook, Frank Steiner, Mauro De Pra, Thermo Fisher Scientific, Inc. | Articles | Comments

Pre-formulated buffers for pH gradient have greatly simplified the development of ion exchange chromatography (IEX) of monoclonal antibodies (mAbs). Three features make this simplification possible.

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Soft Ionization Drives Future GCMS Technology

December 10, 2014 11:37 am | by Laura McGregor, Nick Bukowski and David Barden, Markes International, UK | Articles | Comments

Soft ionization remains a relatively underused technique for GCMS, despite its ability to provide improved confidence in the identification of a range of challenging analytes. But there is now a new approach that makes it possible to lower the energy of electron ionization to achieve soft ionization, without the disadvantages with which it has historically been associated.

Higher Performance, Smaller Sizes Define Future Mass Spec

December 10, 2014 11:23 am | by Sarah Smith, Global Market Manager, Analytical, Bal Seal Engineering Inc., Foothill Ranch, Calif. | Articles | Comments

Mass spectrometry (MS) is the workhorse of analytical chemistry. It performs the analysis of the sample, making MS equipment an essential part of the analytical instrumentation market. A recent shift in the laboratory landscape, however, is forcing a change in the size and functionality of mass spec equipment.

Instrument Speeds Prep of Gas Calibration Standards

December 10, 2014 8:58 am | Product Releases | Comments

UP Analytical’s GasMix is a companion to set up on-site customized preparation for single and multipoint calibration gas standards. The principle is based on the mixing and/or dilution of 2 to 12 gas standards and may be used with virtually all types of analytical instruments, with applications such as analyzer calibration and validation, odorize natural gas, synthetic gas mixture generation, glove box atmosphere control, reactor gas feeding, sample conditioning prior to analysis and more.

LCMS/MS Provides Enhanced Mass Accuracy

December 10, 2014 8:56 am | Product Releases | Comments

The Thermo Scientific Q Exactive Focus LC-MS/MS is designed to make the qualitative and quantitative power of Orbitrap-based instruments available to customers who use Q-TOF mass spectrometry or other technologies.

LC Systems Provide Full Automation

December 10, 2014 8:47 am | Product Releases | Comments

Shimadzu Scientific Instruments has added two integrated liquid chromatography systems to its HPLC and UHPLC line—the Prominence-i and Nexera-i. Combining enhanced functionality, an intuitive operating environment and full automation, the series provides performance and an efficient workflow for conventional to ultra-high-speed analysis.

LC System Handles Complex Matrices

December 10, 2014 8:45 am | Product Releases | Comments

Shimadzu Scientific Instruments’ Nexera-e Comprehensive Two-Dimensional Liquid Chromatograph (2-D-LC) offers a powerful separation method for the most complex sample matrices. The system provides an enhanced level of knowledge and understanding of sample analytes, which is beneficial to scientists analyzing pharmaceutical impurities, proteins, lipids, peptides, food extracts and natural products.

Valves Simplify Air Sampling Canister Operation

December 10, 2014 8:42 am | Product Releases | Comments

The Restek Air Valve Excellence (RAVE) brings long-life, leak-free performance and simple operation to air sampling canisters. This durable design has been engineered to exceed 15,000 cycles. Every valve is leak-tested with helium to 1x10-6 mL/sec before it leaves the facility.

Deuterium Lamps for AA, UV, LC Instruments

December 10, 2014 8:39 am | Product Releases | Comments

JM Science offers a selection of deuterium lamps (D2 Lamps)for atomic absorption, ultraviolet visible spectrophotometer and HPLC instrumentation. The deuterium lamp has a low-pressure, gas discharge light source often used in spectroscopy when a continuous spectrum in the UV region is needed.

Medium Enables Flexible Purification of MAbs

December 10, 2014 8:38 am | Product Releases | Comments

GE Healthcare Life Sciences’ Capto S ImpAct cation exchange chromatography medium is designed for efficient and flexible purification of monoclonal antibodies (MAbs). The product is a strong cation exchanger for the intermediate and polishing steps when purifying MAbs and a range of other biomolecules.

Catalog Highlights Electrophoresis Equipment, Supplies

December 10, 2014 8:36 am | Product Releases | Comments

Cleaver Scientific has debuted its 2015 catalog, which has been expanded to 156 pages to provide detailed information covering the company’s range of instruments, chemicals and consumables for electrophoresis and general lab equipment for life science research.

Vapor Delivery Modules are All-in-one Solution

December 10, 2014 8:34 am | Product Releases | Comments

Bronkhorst High-Tech BV’s Vapor Delivery Modules are compact sub-systems that incorporate a (thermal or Coriolis) liquid flow controller, one or two mass flow controllers for carrier gas and a temperature-controlled mixing and evaporation device. The modules are equipped with a 1.8” TFT display and push buttons for local readout and control.

Seals Meet Large Diameter Demands

December 10, 2014 8:30 am | Product Releases | Comments

Bal Seal Engineering has expanded its line of spring-energized seals to include large diameters—up to 120” ID—for static, slow-speed rotary and reciprocating analytical applications. The line offers equipment designers and end users resistance to wear, extrusion and chemicals.

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