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Use of a sample injection loop for an accurate measurement of particle number concentration by flow cytometry.

ABSTRACT: Flow cytometry plays a pivotal role in biotechnology by providing quantitative measurements for a wide range of applications. Nonetheless, achieving precise particle quantification, particularly without relying on counting beads, remains a challenge. In this study, we introduce a novel exhaustive counting method featuring a sample loop-based injection system that delivers a defined sample volume to a detection system to enhance quantification in flow cytometry. We systematically assess the performance characteristics of this system with micron-sized polystyrene beads, addressing issues related to sample introduction, adsorption, and volume measurement. Results underscore the excellent analytical performance of the proposed method, characterized by high linearity and repeatability. We compare our approach to counting bead-based measurements, and while an approximate bias value was observed, the measured values were found to be similar between the methods, demonstrating its comparability and reliability. This method holds great promise for improving the accuracy and precision of particle quantification in flow cytometry, with implications for various fields including healthcare and environmental monitoring.

SUBMITTER: Shin HJ

PROVIDER: S-EPMC11294435 | biostudies-literature | 2024 Jun

REPOSITORIES: biostudies-literature

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Use of a sample injection loop for an accurate measurement of particle number concentration by flow cytometry.

Shin Hye Ji HJ Yang Inchul I Park Sang-Ryoul SR Lee Ji Youn JY

Analytical and bioanalytical chemistry 20240627 20

Flow cytometry plays a pivotal role in biotechnology by providing quantitative measurements for a wide range of applications. Nonetheless, achieving precise particle quantification, particularly without relying on counting beads, remains a challenge. In this study, we introduce a novel exhaustive counting method featuring a sample loop-based injection system that delivers a defined sample volume to a detection system to enhance quantification in flow cytometry. We systematically assess the perfo ...[more]

PMID: 38926227

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Dataset Information

Use of a sample injection loop for an accurate measurement of particle number concentration by flow cytometry.

Publications

Use of a sample injection loop for an accurate measurement of particle number concentration by flow cytometry.

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