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A simplified method to determine five cytochrome p450 probe drugs by HPLC in a single run.

January 21, 2010 11:38 am | by Biol Pharm Bull | Articles | Comments

A simplified, rapid, selective HPLC method for determining five cytochrome P450 (CYP) probe drugs in single run is described. The five specific probe substrates of caffeine, chlorzoxazone, tolbutamide, metoprolol and midazolam, together with the internal standard diazepam, were...

Engineering metabolic systems for production of advanced fuels.

January 21, 2010 8:38 am | by J Ind Microbiol Biotechnol | Articles | Comments

The depleting petroleum storage and increasing environmental deterioration are threatening the sustainable development of human societies. As such, biofuels and chemical feedstocks generated from renewable sources are becoming increasingly important. Although previous efforts...

Inappropriate prescribing and adverse drug events in older people.

January 20, 2010 6:38 pm | by BMC Geriatr | Articles | Comments

Inappropriate prescribing (IP) in older patients is highly prevalent and is associated with an increased risk of adverse drug events (ADEs), morbidity, mortality and healthcare utilisation. Consequently, IP is a major safety concern and with changing population demographics, it...


Ionic Liquids Explained

January 20, 2010 12:23 pm | by chemdotinfo | Videos | Comments

The principle behind ionic liquids and why they can be used to replace acids and organic solvents.

Welder and Iron Worker Among 'Worst Jobs'

January 20, 2010 10:11 am | Videos | Comments

Welders, Iron Workers and Dairy Farmers are ranked in CNN's five worst jobs due to unfavourable working conditions, pay and future prospects.

Technical Jargon Overload

January 20, 2010 9:23 am | by chemdotinfo | Videos | Comments

The fictional Retro Encabulator device, which uses six hydrocoptic marzel vanes and an ambifacient lunar wane shaft to prevent unwanted side fumbling. We can't believe the salesman was able to keep a straight face.

Boeing's Biofuel-Powered Hydroplane

January 20, 2010 9:23 am | by chemdotinfo | Videos | Comments

Boeing is racing a hydroplane that uses a 50/50 blend of sustainable biofuel and jet fuel.


Magnetic Separator Safety Tips

January 20, 2010 5:04 am | by BILL DUDENHOEFFER, Manager of Separation Products, Eriez Manufacturing Co. | Articles | Comments

While rare-earth magnets are very efficient at removing unwanted contamination, they can be very dangerous to maintenance personnel if not handled properly.


Flow-injection determination of retinol and tocopherol in pharmaceuticals with acidic potassium permanganate chemiluminescence.

January 19, 2010 6:38 pm | by Anal Sci | Articles | Comments

A simple and rapid flow-injection method is reported for the determination of retinol, its derivatives and alpha-tocopherol by its enhancement effect on a potassium permanganate-formaldehyde chemiluminescence system in an acidic medium. Linear calibration graphs were obtained...

Sulfadiazine-potentiometric sensors for flow and batch determinations of sulfadiazine in drugs and biological fluids.

January 19, 2010 6:38 pm | by Anal Sci | Articles | Comments

New PVC membrane electrodes for the determination of sulfadiazine (SDZ) are presented. The electrodes are fabricated with conventional and tubular configurations with a graphite-based electrical contact, and no internal reference solution. The selective membranes consist of...

An Illuminating FTIR Module

January 19, 2010 11:28 am | Product Releases | Comments

The MIDAC Illuminator is a compact FTIR module that integrates well with a variety of sample interfaces in virtually any configuration.


Feeder Featuring Built-In Hopper

January 19, 2010 11:10 am | Product Releases | Comments

The Cleveland Vibrator Co. has extended its line of volumetric rectangular feeder machines (RFM) to include compact, self-contained RFM Integra Series vibrating feeders with built-in bulk hopper inlets.


Dye Glows Bright Blue for Leak Detection

January 19, 2010 10:51 am | Product Releases | Comments

Spectronics Corp. recently launched OIL-GLO™ 40, an oil-based fluorescent leak detection dye that accurately pinpoints leaks in all synthetic- or petroleum-based fluid systems.


Energy Savings via Heat Storage Shutdown

January 19, 2010 10:31 am | Chem Info | Product Releases | Comments

Dürr Systems has developed a heat storage shutdown mode to optimize the energy savings from almost any off-production regenerative thermal oxidizer.


Ultrasonic Tank Testing a Resounding Success

January 19, 2010 10:18 am | Articles | Comments

For the assessment of wall thicknesses of tank shells, SGS used an ultrasonic crawler, a tool designed to cost-effectively take thickness measurements on above-ground ferro-magnetic structures.



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