Micro Pipette Manipulation
Micro Pipette Manipulation - Related Videos
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Plasmonic tweezers and photonic crystal nanostructures are shown to produce useful enhancements in the efficiency and orientation control of optically trapping micro- and nano-particles.
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Introduction to Serological Pipettes and Pipettors
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The serological pipette is frequently used in the laboratory for transferring milliliter volumes of liquid, from less than 1 ml to up to 50 ml. The pipettes can be sterile, plastic, and disposable or sterilizable, glass and reusable. Both kinds of pipettes use a pipet-aid, for the aspiration and dispensation of liquids. Different sizes of pipettes can be used with the same pipet-aid for a variety of experimental assays. For example, serological pipettes are useful for mixing chemical solutions...
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Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors
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Cited by 24 •
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When working in a laboratory, it is imperative to minimize sources of contamination. Aseptic technique refers to procedures that permit transfer of cultures and reagents while avoiding contact with non-sterile surfaces. Serological pipettes and micropipettors are used to measure precise volumes without compromising sterility of solutions used in experiments.
FAQs
These variables determine how easily material enters the pipette, how precisely it can be positioned, and how smoothly it can be released. A suitable pipette diameter supports controlled handling at microscale, while fluid properties influence uptake and flow. Movement speed also matters because poorly controlled motion can reduce handling precision and may compromise cell viability during manipulation.
Applied suction regulates uptake by drawing a small volume of liquid or biological material into the pipette. Pressure supports controlled release or injection at the intended location. Coordinating these forces with pipette movement allows an operator to aspirate, transfer, position, or inject material while limiting unnecessary disturbance to the surrounding sample.
Microscope guidance makes the fine pipette and the target material visible during movement, allowing localized operations that would be difficult to perform without visual control. The operator can coordinate pipette position with suction or pressure and adjust the interaction at a small spatial scale. This supports precise interventions and contributes to more reproducible handling outcomes.
A typical workflow places the sample and fine pipette under a microscope, moves the pipette toward the selected liquid or biological material, and applies suction to aspirate it. The operator then transfers or positions the material before using pressure to release or inject it. Pipette geometry, fluid behavior, and movement speed require control throughout the sequence.
The technique is useful when an experiment requires handling individual cells, introducing material by microinjection, manipulating embryos, or positioning components during engineered-tissue assembly. These applications benefit from localized control rather than bulk treatment. By enabling targeted interventions, the method helps bioengineers examine specific cellular responses and perform microscale operations during cell and tissue engineering studies.
It enables researchers to carry out localized interventions and then study how cells respond to controlled handling or injection. The same precision supports the placement and assembly of biological components in engineered tissues. Because the operator can regulate uptake, movement, and release at microscale, the technique can improve experimental reproducibility across cell-handling and tissue-engineering procedures.