Luminescent Plate Reader
Luminescent Plate Reader - Related Videos
07:51
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...
07:04
A Step Beyond BRET: Fluorescence by Unbound Excitation from Luminescence (FUEL)
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Cited by 2 •
2014
Expanding the foundation and applicability of Fluorescence by Unbound Excitation from Luminescence (FUEL) by surveying the relevant principles and demonstrating its compatibility with a multitude of fluorophores and antibody-targeted conditions.
03:13
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.
07:13
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.
04:00
Luminescence-Based Assay to Assess Neurotoxicity of Test Compounds on Neurons
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2025
In this video, we describe a luminescence-based method to assess the neurotoxicity of neurite outgrowth-promoting small molecule compounds on the viability of hNPC-derived neurons. The assay measures intracellular ATP level, an indicator of cell viability, to evaluate neurotoxicity following test compound treatment.
FAQs
The measured signal originates from photons generated by a luminescent reporter or a chemical reaction in a well. In enzyme-driven assays, the reaction produces the light that the instrument detects. Signal intensity then serves as a quantitative readout, allowing researchers to compare the activity or response represented by the assay.
The distinction is the origin of the light being measured. A luminescent reporter is used to represent a biological readout, whereas a chemical reaction can generate light directly; enzyme-driven assays are one example of the latter. Identifying the signal source helps connect recorded intensity with the specific biological or biochemical process being examined.
Reading wells separately preserves the connection between a measured intensity and the sample that produced it. This well-resolved approach lets a single plate contain many individual measurements while the instrument records each location under controlled measurement conditions. It therefore supports efficient comparison across samples in quantitative experiments and screening.
A basic workflow places samples or assay mixtures into the wells of a multiwell plate, establishes controlled measurement conditions, and measures the emitted light from each well. The reader records signal intensity as a quantitative result. This arrangement connects the assay reaction to a specific plate location and permits many samples to be processed efficiently.
Luminescent plate readers are particularly useful when an experiment must quantify many biological or biochemical samples efficiently. Their format supports screening, assay development, and quantitative experiments, including studies of gene expression, ATP, cell viability, enzyme activity, reporter responses, and molecular interactions. These uses make the instrument relevant to cell biology, microbiology, and drug discovery.
In biological techniques, the recorded intensity can function as a measurable output for several kinds of questions: whether gene expression is represented by a reporter, whether ATP or cell viability is being assessed, or whether enzyme activity or molecular interaction changes. The instrument supplies the quantitative signal, while the assay determines which biological process that signal represents.