Multi-mode Plate Reader

A multi-mode plate reader is a laboratory instrument that measures signals from samples arranged in microplates, enabling rapid, parallel analysis in biology. It uses interchangeable optical detection modes, such as absorbance, fluorescence, and luminescence, to quantify changes in light produced, transmitted, or emitted by reactions in individual wells. Researchers use these measurements to assess enzyme activity, nucleic acids, cell viability, reporter gene expression, and biochemical interactions. By combining automated plate handling with sensitive optical detection, multi-mode plate readers support high-throughput screening, assay development, and quantitative experiments while reducing sample volume and processing time.

Multi-mode Plate Reader - Related Videos

Education

JoVE Science Education - Basic Biology

Introduction to the Microplate Reader

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2023

The microplate reader is a multimodal instrument that allows for a variety of experiments to be performed and measured simultaneously. Microplate readers can make absorbance, fluorescence and luminescence measurements. Multiwell plates are integral to the microplate reader and allow for many experiments to be performed at once. Regardless of the assay type, experiments on the plate reader utilize a standard curve to determine the experimental values. This curve uses samples of known...

Research

JoVE EoE - Assay Techniques

Mitochondrial Calcium Uptake Assay: A Plate Reader-Based Method for Measuring Calcium Uptake in Isolated Mitochondria

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2025

This video describes a plate reader-based assay to measure mitochondrial calcium uptake in isolated mitochondria. The assay analyzes the fluorescence signal of a calcium-sensitive fluorescent dye to study the kinetics of mitochondrial calcium uptake and calcium overload.

Characterizing Modulators of Protease-Activated Receptors with a Calcium Mobilization Assay Using a Plate Reader

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Cited by 1 •

2024

An improved protocol for a calcium mobilization assay with endothelial cells, used to identify ligands of protease-activated receptors (PARs), has been developed. The new protocol reduces total assay time by 90-120 min and yields reproducible concentration-response curves.

Precise and High-Throughput Analysis of Bacterial Growth Using a Microplate Reader

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2025

Source: Kurokawa, M., et al. Precise, High-throughput Analysis of Bacterial Growth. J. Vis. Exp. (2017)This video demonstrates the high-throughput quantification of bacterial growth using a microplate reader. It outlines the steps involved in culture preparation, optical density measurement, and analysis of growth dynamics.

Systematic Analysis of In Vitro Cell Rolling Using a Multi-well Plate Microfluidic System

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Cited by 4 •

2013

This study used a multi-well plate microfluidic system, significantly increasing throughput of cell rolling studies under physiologically relevant shear flow. Given the importance of cell rolling in the multi-step cell homing cascade and the importance of cell homing following systemic delivery of exogenous populations of cells in patients, this system offers potential as a screening platform to improve cell-based therapy.

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