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September 10, 2012



Warming Drives Biodiversity?

Cranking up the Earth’s temperature may eventually increase biodiversity instead of stifling it, according to a new study published this week in The Proceedings of the National Academies of Science. The new data overturn previous results from the study’s lead author, evolutionary ecologist Peter J. Mayhew of the University of York, and—at first blush—seem to contradict the mass extinctions now accompanying a rise in global temperatures.

Mayhew and his colleagues studied the fossil records of marine invertebrates and found that periods of warmer temperatures over the past 540 million years had the most biodiversity. Unlike Mayhew’s previous study of the same period, which found that rising temperatures reduces biodiversity, the new study controlled for geological eras that have been more thoroughly studied than others, and thus have more fossils on record.

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 Featured Product

Fully Modular Lab Workstations

Dimension 4 Lab Stations are the original, fully modular systems for versatile laboratory deployment. Configure your lab from a broad selection worksurfaces, cabinetry and storage, shelving, colors and efficiency options. Start small – or start large – with the confidence that your lab furnishing investment is secure for years to come. The basic modular unit is available in Single-Sided or Double-Sided worksurfaces. Add-on units of the same type enable you to grow.

Click here to learn more

 Featured Question and Discussions

Plenty of discussions are happening on LabWrench all the time. We have many questions come in daily from users that are seeking advice from fellow users and lab professionals. Can you help any of these users find the answers they are looking for?

Stop flow features
When using the stop flow feature, I noticed the line pop out due to pressure build-up. What is the cause of this problem?
Provide an answer

LoPr problem
HPLC 1090. Everytime I turn on the pump on instrument, within 1 second the LoPr is switched and the pump sees an error. What can I attribute this to and how can I fix this problem? I also got here by googling where to find an HPLC 1090 user manual and I would still like to know if there is a place to download it. My company will surely pay for one, we just can't find ours.
Provide an answer

Refrigeration Failure
We have had a refrigeration failure (rEFr) error on our centrifuge. Do you have any ideas what might cause this or potential fixes? Thanks!
Provide an answer

Procedure for preventive maintenance
I am using Multiskan EX labsystem Elisa reader. Please, I want to know the procedure for preventive maintenance to the reader.
Provide an answer

View all Questions and Discussions on LabWrench

 Featured Apps

Agilent Technologies Engineering Calc App

This application is intended for engineers and students who are looking for a reference tool for electrical and RF engineering. Easily determine the resistor and capacitor values based on their color codes, or vice versa. Calculate electrical values based on Ohm's Law. RF engineers can also simulate a Smith Chart diagram.

Learn more

Dionex Calc App

The UltiMate® 3000 HPLC system family offers the widest possible versatility for today‘s laboratories. Covering flows from 20 nL/min to 10 mL/min and offering a wide range of pumping, sampling, and detection modules – all of which are fully UHPLC compatible - the UltiMate 3000 series provides solutions for all your chromatography needs.

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 Featured News

Large Opening R.A.M.™ Vial with StepVial Design from J.G. Finneran Associates
For researchers working with limited sample volumes in automated laboratories, the Large Opening R.A.M.™ Vial, 12x32mm, with StepVial design offers a timesaving and efficient solution. Designed by J.G. Finneran Associates, the originator of innovative sample handling products, the StepVial system is a combination of vial and insert with a 40% larger target area for sampling needles used by autosamplers.
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Fast and Accurate Sample Counting with the New Scienceware® Colony Counter
Simple to operate, the Scienceware® Colony Counter marks, counts, and gives an audible and visual alert each time a count is registered on the digital display. Error is reduced by the ability to count both up and down to verify sample counts. Able to store up to 35 sample counts in its memory, it can also display the sum total of all colonies counted.
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Bruker Launches High-Performance LC Triple Quadrupole Mass Spectrometers: Game-Changing EVOQ™ Qube™ and EVOQ Elite LC-TQ Systems Unveiled at JASIS
Bruker’s patented lens-free triple-quad mass filter design, which enhances MRM performance, is standard on all EVOQ systems, making the EVOQ LC-TQ inherently easier to use and maintain. Other high-performance TQ features include Bruker’s unique Compound Based Scanning (CBS) technology, the novel VIP heated-ESI and APCI ion sources, fast 14,000 amu/sec scan speed and 25 milliseconds positive/negative ion switching, all for leading-edge TQ performance and analytical power.
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Operator Protection during laboratory manipulation of chemicals
The workstation is designed to establish negative pressure at the opening to allow contaminants to be pulled into the filtration zone. The filtration zone media configuration will depend on the application to be performed within the enclosure. Mystaire Misonix offers a wide variety of activated, chemisorptive and specialty carbon blends as well as HEPA and ULPA filtration to meet your application needs.
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 Contact Us

Kylie Sauvé -
LabWrench Data Manager


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