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July 30, 2012 Labwrench.com

 

   

Bio-engineered Jellyfish Swim

Building biological systems from scratch traditionally involves copying the original, but simply mimicking an animal’s shape and muscle alignment isn’t enough. In a new study published today (July 22) in Nature Biotechnology, a team from California Institute of Technology and Harvard University worked to understand how a jellyfish’s motions and interactions with the surrounding water lead to swimming, then used available bioengineered tissues to construct a jellyfish mimic that could move through the water just like the real thing.

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 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?

Hitachi 911 Photometer check values
The manual states that the photometer lamp should be replaced if any of the daily photometer check values exceed 13000. When we obtained our analyzer the value at 340nm was ~12000. Now, after 2 years it is down to 5400. What does that mean, and should the lamp be replaced?
Provide an answer

Multitron humidity and CO2 control
Can anyone explain how do I get the humidity and CO2 control on the Multitron HT if it doesn't have these options at the moment?
Provide an answer

Collecting oily-liquid product
According to experiments I ran, factors change but I can get only two forms of product- Char (that stays at the sample holder after the process) and Gas collected through gas output. The metal port of gas out-put is lightly clogging due to moving of particles through the gas out-put by the effect of Ar- gas flow rate (that's my opinion). How can I collect liquid-oily products? Does it work to pre-heat the gas out-put port to avoid rapid condensing of gaseous product (and char particles)? Or shall I set-up a multi-step condensation apparatus made of quartz glass?
Provide an answer

Analysis Not Continuous
My GC CP 3800 does not allow me to run another analysis after the first one without rebooting the machine (GC).
Provide an answer

Calibration
Does a Spec-20 need routing calibration and if so, does anyone know someone in California (preferably near San Jose) that can calibrate one for me?
Provide an answer

View all Questions and Discussions on LabWrench

 Featured Product

Shimadzu SSI LCMS-8040

Utilizing proprietary high-speed technologies, with enhanced sensitivity even at faster scan speeds, Shimadzu’s new triple quad LCMS-8040 maximizes throughput. Plus, newly improved ion optics maintain signal intensity and suppress crosstalk, even for high-speed or simultaneous multi-component analysis, significantly expanding the application range and ensuring high-throughput analysis at lower levels of detection.

Click here to learn more

 Featured App

PerkinElmer Gas Chromatography Essentials

If you are interested in learning more about gas chromatography basics, instrumentation, and accessories, you have come to the right place. Use this tool to learn about the basics of how gas chromatography (GC) and gas chromatography mass spectrometry (GC-MS) work as well as examples of applications of these analytical techniques.

Learn more


Shimadzu SSI UV App

You can view solvent characteristics including the lower limit of useable wavelength, melting point and/or boiling point values, etc. for each solvent. Solvents can be easily chosen by scrolling through a list with the flick of the finger.

Learn more

 Featured News

Erlab’s Captair® Store™ Ductless Filtering Storage Cabinets Safely Stores Chemicals in a Continuously Filtered Environment.
Erlab’s Captair Store vented filtering storage cabinets are designed to store a wide variety of chemicals used in laboratories. The Captair Store reduces inhalation risks associated with the concentration of vapors and purifies the laboratory’s ambient air 24 hours a day.
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NEW JCM-6000 NeoScope II with higher magnification and multi-touch screen control, and a sleek new design
As simple to use as a digital camera, the NeoScope II is a high resolution SEM that produces images with a large depth of field at magnifications ranging from 10X - 60,000X. It offers high & low vacuum operation, three selectable accelerating voltages, secondary electron, and back-scattered electron imaging. The NeoScope II accommodates samples up to 70mm in diameter and 50mm in thickness.
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EMD Millipore Introduces AFS® 8D and AFS® 16D Degassed Water Purification Systems
The EMD Millipore AFS® 8D and AFS® 16D water purification systems integrate complementary water purifications techniques (e.g., complete pretreatment, advanced reverse osmosis, exposure to a bactericidal UV lamp, degassing, and final 0.22 µm filtration) in order to produce degassed clinical laboratory reagent water with consistently pure and reliable water quality.
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FEI Announces New Titan ETEM G2: Imaging Dynamic Processes at the Atomic Scale
FEI, a leading instrumentation company providing imaging and analysis systems for research and industry, today announced the release of the new Titan™ ETEM G2?an environmental transmission electron microscope (ETEM) that enables time-resolved, in-situ studies of processes and materials exposed to reactive gases and elevated temperatures.
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Read all articles on LabWrench

 Ask The Expert

Brought to you by METTLER TOLEDO 

Q: I have heard Mettler Toledo Service and Sales Representatives talk about “Safety Factor” and how it effects the absolute minimum sample weight of my balance. Can you please explain this to me?

A: Mettler Toledo technicians use the standard deviation value from a repeatability test to establish the Absolute Minimum Weight of weighing equipment. On any given day in a laboratory: temperature, humidity, air pressure, etc… can change which may change the established absolute minimum sample weight (positively or negatively). It is because of this that MT suggests a Safety Factor around your absolute minimum weight so you know you are always weighing accurately. Example: An MT Technician established an Absolute Minimum Weight of 50 mg on 4 place analytical balance. If we apply a safety factor of 2 on this 50mg minimum weight and the posted minimum weight on the balance is actually 100mg. This way you are always assured of weighing above the absolute minimum weight of 50mg.

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 Contact Us

Kylie Sauvé - KylieS@labwrench.com
LabWrench Data Manager


 

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