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===Glass micropipette=== Glass micropipettes are fabricated in a micropipette puller and are typically used in a [[micromanipulator]]. These are used to physically interact with microscopic samples, such as in the procedures of [[microinjection]] and [[patch clamp]]ing. Most micropipettes are made of [[borosilicate]], [[aluminosilicate]] or [[quartz]] with many types and sizes of glass tubing being available. Each of these compositions has unique properties which will determine suitable applications. {{gallery |File:Carlsberg micropipettes.jpg |Carlsberg pipettes, glass micropipettes named for their place of invention and first use, The Carlsberg Laboratory, Physiology Department, Copenhagen, Denmark. Used with a mouthpiece for precision biochemical and physiological lab work.<br>From the top: double constriction pipettes for 1 and 10 microlitres; single constriction pipettes for 200; 2,000; and 10,000 microlitres |File:pulled pipette.jpg |[[Borosilicate]] '''glass micropipette''' pulled with a Flaming/Brown micropipette puller P-97 }} ====Microfluidic pipette==== A recent introduction into the micropipette field integrates the versatility of [[microfluidics]] into a freely positionable pipette platform. At the tip of the device, a localized flow zone is created which allows for constant control of the nanolitre environment, directly in front of the pipette. The pipettes are made from [[polydimethylsiloxane]] (PDMS), which is formed using reactive injection molding. Interfacing of these pipettes using pneumatics enables multiple solutions to be loaded and switched on demand, with solution exchange times of 100ms. This type of pipette was invented by Alar Ainla, and currently situated in the Biophysical Technology Lab.<ref>{{cite web|url=http://www.biophystech.org|title=Biophysical Technology Laboratory|access-date=3 March 2016}}</ref> at [[Chalmers University of Technology]] in Sweden.<ref>{{cite journal|last1=Ainla|first1=Alar|last2=Jansson|first2=Erik T.|last3=Stepanyants|first3=Natalia|last4=Orwar|first4=Owe|last5=Jesorka|first5=Aldo|title=A Microfluidic Pipette for Single-Cell Pharmacology|journal=Analytical Chemistry|date=June 2010|volume=82|issue=11|pages=4529β4536|doi=10.1021/ac100480f|pmid=20443547}}</ref>
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