In a world of liquid handling and lab automation, dispensing small liquid volumes with the utmost precision is extremely important. Microliter dispensing, also called micro dispensing, has become an essential technique across multiple scientific and industrial use cases.
Image Credit: Fluid Metering, Inc.
Key takeaways:
- Fluid Metering’s microliter dispensing pumps for automating laboratory processes generate precise, repeatable volumes from 0.1 µL to 1000 µL – perfect for research across genomics, diagnostics, and pharmaceutical fields
- Engineers who design microfluidic systems for molecular biology and drug discovery benefit from ceramic piston technology that delivers chemical compatibility, reduced dead volume, and low sample loss.
- For small-volume liquid handling at a high-throughput, Fluid Metering’s compact, efficient pumps support integration with automated platforms while ensuring precision and minimizing reagent waste.
In this article, Fluid Metering explores the interesting world of microliter dispensing, delves into its use cases, and discusses how its pumps can help.
Microliter dispensing
Microliter dispensing is the accurate and controlled delivery of liquid volumes in the microliter range (usually between 0.1 μL and 1000 μL).
It involves conveying tiny quantities of liquid samples or reagents from one vessel to another with high levels of accuracy and reproducibility. Microliter dispensing is crucial in multiple fields, spanning pharmaceuticals, biotechnology, genomics, diagnostics, and analytical chemistry.
Use cases for microliter dispensing
Genomics and molecular biology:
Microliter dispensing has a fundamental role in DNA amplification, PCR (polymerase chain reaction), and other molecular biology approaches. It makes the precise addition of reagents, enzymes, and templates in small reaction volumes possible . Microliter dispensing also enables high-throughput sequencing, genotyping, and gene expression analysis.
Drug discovery and assay development:
In pharmaceutical studies, microliter dispensing is crucial for screening sizable compound libraries and carrying out dose-response assays. It enables the precise addition of drug candidates, controls, and reagents in microwell plates. Microliter dispensing is often used to prepare assay-ready plates for high-volume screening campaigns.
Microarray technology:
Microliter dispensing makes possible the deposition of tiny quantities of biological samples, including proteins, antibodies, or nucleic acids, onto solid surfaces to generate microarrays. Microarrays can be used in genomics, proteomics, and diagnostics, making high-volume analysis of biomolecules possible.
Diagnostic assays:
Microliter dispensing is crucial for developing diagnostic assays, including ELISA (enzyme-linked immunosorbent assay) and lateral flow immunoassays. Precise dispensing of reagents, samples, and controls ensures both reliable results and accurate diagnosis.
Advantages and challenges
The precise control and accuracy offered by microliter dispensing carry multiple upsides, including lower reagent consumption, reduced costs, higher throughput, and more data reliability.
However, challenges like liquid evaporation, meniscus formation, sample loss, and cross-contamination should be addressed with caution to make sure results are accurate and solidify the reproducibility of experiments.
Conclusion
Microliter dispensing has transformed how liquids are handled in multiple scientific and industrial areas. Its ability to deliver small volumes of liquids with high precision has fueled advances in genomics, drug discovery, diagnostics, and beyond.
Fluid Metering’s ceramic, rotating, and reciprocating piston pumps are perfect for microliter dispensing thanks to multiple key advantages. To begin, the ceramic piston and liner provide superb chemical compatibility, making it well-suited for handling a broad spectrum of fluids, including corrosive or abrasive substances.
Moreover, the piston’s rotating and reciprocating motion enables precise control over the dispensing volume, allowing precise and repeatable results at microliter scales as well.
Such a level of control is essential in microfluidic use cases where small volumes and accurate fluid manipulation are of key importance. In addition, Fluid Metering pumps offer low dead volume, producing minimal waste and sample loss.
The compact size and high efficiency of Fluid Metering’s pumps make them suitable for being integrated into microfluidic systems, facilitating miniaturization and enabling high-volume operations. Fluid Metering pumps’ accuracy, reliability, compatibility, and efficiency make them the perfect choice for microfluidic dispensing needs.
About Fluid Metering, Inc.
Fluid Metering, Inc is a leading manufacturer of precision fluid control solutions, with a legacy of innovation dating back to 1959. As the pioneer of the first valveless rotating and reciprocating piston metering pump, Fluid Metering has continually refined its technology to meet the evolving needs of advanced applications.
Today, the company specializes in the design and production of high-performance dispensing pumps and metering systems, delivering exceptional accuracy, precision, and reliability across a wide range of industries. ISO 9001:2015 certified.
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