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The micropipette was invented and patented in 1960 by Dr. Heinrich Schnitger in Marburg, Germany. Afterwards, the co-founder of the biotechnology company Eppendorf, Dr. Heinrich Netheler, inherited the rights and initiated the global and general use of micropipettes in labs. In 1972, the adjustable micropipette was invented at the University of ...
The Micropipette developed by Heinrich Schnitger, which is often referred to as "Eppendorf pipette" in laboratory usage, [citation needed] counts today in various designs as standard almost every biomedical laboratories. For biologists, biochemists, biology laboratory technicians, medical-technical assistants and similar professions handling of ...
Micropipette in action. Piston-driven air displacement pipettes are a type of micropipette, which are tools to handle volumes of liquid in the microliter scale. They are more commonly used in biology and biochemistry, and less commonly in chemistry; the equipment is susceptible to damage from many organic solvents.
There are two basic types of microinjection systems. The first is called a constant flow system and the second is called a pulsed flow system.In a constant flow system, which is relatively simple and inexpensive though clumsy and outdated, a constant flow of a sample is delivered from a micropipette and the amount of the sample which is injected is determined by how long the needle remains in ...
Essentially, a micropipette is immersed in the microchannel fluid and is programmed to respond to changes in the fluid meniscus. A displacement in the meniscus of the fluid in the micropipette induces a voltage drop, which triggers a pump to restore the original position of the meniscus.
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Once a suitable tip is attached to the pipette, press its knob to the first stop. Dip the tip into the solution to a certain depth according to the volume set.; Afterwards slowly release the pipette knob till the starting position.
Wikipedia currently claims that P1000 has a range of 200–1000. However had, if you search for P1000, many vendors state that it has a range of 100-1000, which is actually also my experience too. It may be that it is recommended to not use it in the range of 100-200, that may be; but I believe even then the table is wrong at wikipedia.