Pipette Dispenser
Pipette Dispenser - Related Videos
06:35
Introduction to Serological Pipettes and Pipettors
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2023
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...
07:05
Viability of Bioprinted Cellular Constructs Using a Three Dispenser Cartesian Printer
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Cited by 6 •
2015
A Cartesian bioprinter was designed and fabricated to allow multi-material deposition in precise, reproducible geometries, while also allowing control of environmental factors. Utilizing the three-dimensional bioprinter, complex and viable constructs may be printed and easily reproduced.
10:14
Automated Robotic Dispensing Technique for Surface Guidance and Bioprinting of Cells
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Cited by 9 •
2016
This protocol describes a bioprinting methodology using an automated robotic depositing system that incorporates etched topographical guidance cues with the precision deposition of a cell bearing hydrogel bioink. The printed cells are directly delivered to the etched features and are able to sense and orientate with them.
08:06
Automated Acoustic Dispensing for the Serial Dilution of Peptide Agonists in Potency Determination Assays
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Cited by 1 •
2016
Peptide adsorption to plasticware during traditional tip-based serial dilutions can significantly impact potency determination and confound the understanding of structure-activity relationships used for lead identification and lead optimization phases of drug discovery. Here methods for automated acoustic non-contact serial dilution of peptide samples are described.
11:43
Aseptic Laboratory Techniques: Volume Transfers with Serological Pipettes and Micropipettors
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Cited by 24 •
2012
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
Controlled suction draws liquid into the graduated pipette, while regulated pressure releases it during dispensing. Adjusting these forces changes how quickly liquid enters or leaves the pipette and helps the user manage the volume delivered. This control is important when biological experiments require consistent transfers, because uneven flow can contribute to variation between samples.
Manual and motorized versions use the same basic principle of creating suction and releasing pressure, but they differ in how the user operates that mechanism. A manual device relies on direct user control, whereas a motorized device assists the process. The available choice can therefore affect handling effort, flow control, and convenience during repeated liquid transfers.
Regulated dispensing helps deliver comparable liquid volumes across tubes or containers instead of relying on uncontrolled release. Consistent transfer conditions support reproducibility when preparing buffers, distributing reagents, or handling biological samples. The mechanism also limits direct exposure to the sample, while improved control can reduce spills that might otherwise compromise the work area or materials.
First, attach or position the graduated pipette and use the mechanism to create controlled suction for drawing in the liquid. Next, adjust the dispensing action to release the intended amount through regulated pressure. The user can then repeat measured transfers while monitoring flow and volume. This workflow supports consistent handling across multiple tubes or containers.
Biology laboratories can use this device during cell culture, buffer preparation, reagent distribution, and serial dilution. These tasks often require transferring liquids among several containers while maintaining comparable volumes and reducing spills. Its ergonomic design is also relevant when repeated handling is part of the workflow, because it can reduce strain and improve consistency during routine sample preparation.
During serial dilution, controlled liquid transfer helps maintain more consistent volumes as material moves between successive containers. For reagent distribution, the same control allows a user to dispense comparable amounts across multiple tubes or other containers. These outcomes make the device useful for organizing repeated biological transfers and improving consistency without relying on uncontrolled pouring.