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June 3, 2013



Spectroscopy to the Scope
UV and visible microscopy “see” electronic transitions inside highly absorbing molecules that contain aromatic rings or highly conjugated carbon-carbon double bonds and carbonyl groups. Ellen V. Miseo, PhD, scientific marketing manager at Analytical Answers (Woburn, MA), explains that, as with their nonmicroscopic counterparts, UV and visible microscopy confirm chemical characteristics but lack granularity. “UV and visible spectra are big lumps that work best when you know what you’re looking for.” Learn more

Product Focus: Microplate Readers
The history of microplate readers— now on the market for more than 30 years—explains the ongoing increase in applying this technology. Plate readers are used in many applications, including bioassay development, diagnostics, drug discovery, food testing, and quality control. The expanding range of applications parallels the large number of detection modes, including absorbance, AlphaScreen, fluorescence polarization, time-resolved fluorescence (TRF), time-resolved fluorescence energy transfer (TR-FRET), luminescence, and spectrophotometry. Learn more

How It Works : Absolute Quantification with Droplet Digital PCR
Problem: Basic research and clinical research labs have long relied on real-time PCR (qPCR) for its speed, sensitivity, specificity and ease-of-use. Common applications include gene expression analysis, mutation detection and identification of copy number variation to better understand inherited disorders, cancer and infectious disease. Learn more

 Featured Product

Drag & Drop Steel Casework Configurator Online

The Eclipse™ series of casework provide the building blocks to easily and systematically furnish any modern lab. Now configure your casework online and obtain your quote via email. The Eclipse Online Configurator features drag & drop simplicity. Choose for dozens of drawer and cabinet configurations in both counter- or desk-height models. Fast and easy. Eclipse™ series brings versatility, ease of future expansion and reconfiguration, storage, mobility, strength and stability, with full accessibility to mechanical, plumbing and electrical components.

Click here for more information

JULABO F Series recirculating coolers offer space-saving and eco-friendly cooling for applications from -10 °C to +40 °C. 

The JULABO F series of compact-recirculating coolers are ideal for simple cooling tasks. The smallest recirculating cooler of this new family – the F250 – was technically upgraded to provide a wider temperature range from -10 °C to +40 °C with 250 W of cooling at 20 °C. The new F500 recirculating cooler features a 500 W capacity and a stronger integrated pump; 24 L/min at 7.1 psi. JULABO F series coolers are a low cost, energy-efficient replacement for tap water cooling.

Click here for more information

 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?

Ballast Not Filling
Ballast not filling. Leak check OK. System Check OK. changed pinch valve tubing. Sample still times out at 600 seconds with the error "Ballast Not Filling". I received this error after I changed all reagents including furnace reagents and furnace tubes. Provide an answer

GC Agilent 7890 A identical chromatograms
We have Agilent 7890A GC system in our laboratory and when we inject different solvents – hexane, acetone, izoctan, as well as various standards in different concentrations we always get identical chromatograms as if we inject one and the same material every time. I would be very grateful if you could help us to solve the issue. View this discussion

Error 33
The lab sets it up for a 24 hr run, after about 3 hrs error 33 pops up. Any suggestions? Beckman Coulter Optima XL80k. Provide an answer

Ing chemist
I have problem with my AAS during the work for cupper and silver, it shows me Detector Saturation.Data may not be valid.Can u please send some information wich can help me? View this discussion

View all Questions and Discussions on LabWrench

Have your own questions that you need answers for? Ask them here!!

 Featured Sponsor

Thank you to Hettich for sponsoring our Centrifuge category on LabWrench

Established in 1904, Andreas Hettich continues to design, engineer and manufacture precision equipment for the modern day laboratory. Hettich's core principals focus on our customers, their requirements, quality and safety. Hettich products are used in Hospitals, Universities, Research facilities and Government agencies throughout the world.

Visit their website to learn more about their products

 Featured News

State Licensure Expands For BRAF Assay From Beckman Coulter Genomics
The BRAF assay from Beckman Coulter Genomics has been granted clinical laboratory licenses in four states, expanding the availability of the offering that last year received CLIA Certificates of Registration and Compliance. Pennsylvania, Maryland and Rhode Island, three of the seven states that require statewide licensure in addition to CLIA certificates, have approved the test, joining Massachusetts, which licensed the assay last year. Read more

Roche Launches New Bead Based DNA Target Enrichment Reagent Kit for Next Generation Sequencing
Roche today announced the global launch of its SeqCap EZ Pure Capture Bead Kit supporting target enrichment workflows prior to DNA sequencing. The newly introduced SeqCap EZ Pure Capture Bead Kit is designed to provide sensitive and robust methods for capture and purification of DNA sample libraries enabling high-quality targeted sequencing results. Read more

Laboratory Information System Speeds up the Sample Storage Process
With Micronic Traxcer code reader software now fully integrated with Track-IT - users can directly trigger tube or rack barcode scanning from the Track-IT program. The new version of the automation friendly information management solution allows you to scan in only 5 seconds and transfer the codes directly into the Track-IT database program. Read more

The Power of Preservation Evaluated via Seward’s Stomacher® Laboratory Blenders
Seward Ltd’s Stomacher® laboratory paddle blender range has recently been used in a research project to investigate the effectiveness of fish and chip vinegar in preserving fresh catfish fillets using concentrations of vinegar that are effective, but do not over power the flavour1. Read more

Read all articles on LabWrench

 Upcoming Webinar

 Wednesday Thursday June 20, 2013 12:00 p.m. - 1:30 p.m. ET

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Claudette Armstrong -
LabWrench Sales Representative



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