Monthly Archives: October 2013

31 Oct

Corning Manipulator-cell Culture

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The Corning Manipulator-Cell Culture, also known as a HYPERStack™ Stainless Steel Manipulator.  One of the things I love about my job in Laboratory and Medical Sales, it’s not boring.  I happen to stumble across this device which is manufactured by … Continue reading

28 Oct

silicon vs silicone

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Silicone is a polymer incorporating the element Silicon, Si. The general formula is [R2SiO]n where R is an organic group and n represents the repeating nature of a polymer. R can be methyl, ethyl, phenyl… The properties of a silicone … Continue reading

24 Oct

Digital Barometer

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VWR® Traceable® Workstation Digital Barometer.  Now that summer is gone and we’re well into the fall season, we’re all noticing the changes in the weather.  Before long we will all be dealing with snow, or what my wife refers to as … Continue reading

21 Oct

Membrane Filtration

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Membrane filters are surface or screen filters. Only the surface is used to filter the solution. Typical pore sizes range from 0.2um (micrometers) to 1.0 um. Membrane filters can be made of cellulose (cellulose acetate, cellulose nitrate), Nylon, Polyethersulfone (PES) … Continue reading

17 Oct

Rocker Mixer

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I thought that I would bring up the topic of Rocker Mixers, which sounds like a good name for a nightclub.  All kidding aside, this device is one of the many essential appliances found in most labs.   Since I’ve been working in laboratory sales, … Continue reading

14 Oct

Glass Microfiber Filters

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GMF Filters, like cellulose filters are depth filters; filtration is accomplished throughout the filter, not just on the surface. Glass microfiber filters are used when a high filtration efficiency is required and a high loading capacity is needed. GMF filters … Continue reading

10 Oct

Shoe Brush Machine

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The ultimate Shoe Brush Machine by Liberty Industries.  At first I thought this would be a great item to have at the club after playing 18 holes, until I noticed the price.  All kidding aside, this is a motorized shoe brush cleaner that … Continue reading

07 Oct


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One of the most common items in the lab is the ever-present cellulose filter paper. Filter papers are depth filters – during filtration they retain particles within the filter matrix not just on the surface like membrane filters. Not all … Continue reading

04 Oct

Phase Contrast Microscopy

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There are many techniques that are used to enhance images in a compound biological microscope. One of the most common as well as one of the most useful is phase contrast. This technique was developed by Frits Zernike (a Danish … Continue reading

03 Oct

Prepared Slides Sets

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Now that school is back in full swing and the holidays coming upon us before you know it, I thought it would be a good time to review Microscope Slide Sets.  Konus Corporation is a great source and offers a wide selection of … Continue reading