Gertsch Group

Institute of Biochemistry and Molecular Medicine, University of Bern, Switzerland

The cultural history of the pipette

The cultural history of the pipette
Jurg Gertsch - Sat Oct 10, 2009 @ 02:40PM
Comments: 1

Scientists working in the Life Sciences know that a pipette or a "chemical dropper" is a convenient laboratory instrument used to transport a measured volume of liquid. What a long time ago has started with the so called Pasteur-type of pipette is now a modern micro-pipette (measuring fractions of microliters), fully automated and electronic, multiwell and high precision. The famous French chemist and microbiologist Louis Pasteur was a practical man and made his own pipettes from glass - using different varieties of suckers and balloons - rubber bulbs called teats. Such bulbs are still used by chemists to titrate exact volumes from burettes, the origin of which go back to the 18th century. We all know the practical piston-driven air-displacement Gilson pipettes, undestroyable and relatiely accurate. These micropipettes were invented at the University of Wisconsin-Madison in 1972 by people like Warren Gilson and Henry Lardy. Hence, the biggest producer is the company called Gilson Inc., as a result these pipettes are colloquially refered to as Gilsons. Some years ago Gilson introduced what they called an every day digital pipette and this was probably the worst invention they ever made. These pipettes all broke within 1-2 years. What you really want is a robust and easy to handle and to calibrate pipette, which will turn into your close friend over the years. You want to drop it and smash it on the bench, and being your friend it will not break. OK, there are some excellent electronic pipettes around. I think that the electronic Eppendorf multiwell pipettes are smart and nice to handle but for everyday use, the Gilsons are cult and make you feel at home. I just recently got an advert from Eppendorf about a special edition model - adorning this edition is the silver signature of Nobel Prize winner, Dr. Kary B. Mullis (see my blog on PCR). Carefully thinking about it and in analogy to pens like Waterman and Mont Blanc, senior scientists should have golden pipettes with silver signatures of the most relevant Nobel Laureats - female scientists may even be thinking about a little inlaid gemstone or a platinum engraved family photo. With each paper you move up and get a better pipette - first the Gilson, then the metal, silver, gold and finally platinum with gemstones. Isn't it wonderful how science suddenly gets fancy, a subtle deviation from the relevant makes life much more exciting. But maybe Pasteur had more fun blowing his own pipettes than polishing his brass microscope. You get the point - we are turned into consumers by the sellers of apparently useful stuff for the lab. But then I get that feeling that I need this special piece of equipment to improve my science. I now have to get that Mullis special edition, price does not matter.

Comments: 1

Comments

1. nirmak   |   Tue Mar 15, 2016 @ 10:00AM

completely robotized and electronic, multiwell and high exactness. The popular French scientific expert and microbiologist Louis Pasteur was a functional man and made his own pipettes from glass - utilizing distinctive assortments of suckers and inflatables - elastic globules called teats. Such globules are still utilized by scientific experts to titrate precise volumes from burettes, the starting point of which retreat to the eighteenth century. We all know the viable cylinder driven air-uprooting Gilson pipettes, undestroyable and relatiely exact. These micropipettes were developed at the University of Wisconsin-Madison in 1972 by individuals such as Warren Gilson and Henry Lardy. Henceforth, the greatest maker is the organization called Gilson Inc., accordingly these pipettes are casually refered to as Gilsons. A few years prior Gilson presented what they called a consistently advanced pipette and this was most likely the most noticeably bad creation they ever constructed. These pipettes all broke inside of 1-2 years. What you truly need is a powerful and simple to handle and to adjust pipette, which will transform into your dear companion throughout the years. You need to drop it and crush it on the seat, and being your companion it won't break. Alright, there are some magnificent electronic pipettes around.get mobdro app at https://mobdroapk.org/ . I imagine that the electronic Eppendorf multiwell pipettes are savvy and decent to handle yet for ordinary utilize, the Gilsons are faction and make you feel at home.

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