Quantification of dsDNA using the Hitachi F-7000 Fluorescence Spectrophotometer and PicoGreen Dye

Overview

This article demonstrates the quantification of double-stranded DNA (dsDNA) using PicoGreen dye and the Hitachi F-7000 Fluorescence Spectrophotometer with a microplate reader. The procedure outlines the preparation of samples, instrument setup, and measurement processes to obtain a linear calibration curve for dsDNA quantification.

Key Study Components

Area of Science

• Fluorescence spectroscopy
• DNA quantification
• Microplate reader technology

Background

• PicoGreen dye is a sensitive fluorescent dye used for quantifying dsDNA.
• The Hitachi F-7000 is a versatile fluorescence spectrophotometer.
• Accurate DNA quantification is essential for various biological experiments.
• High-throughput systems facilitate the analysis of multiple samples simultaneously.

Purpose of Study

• To demonstrate the capability of the F-7000 spectrophotometer for dsDNA quantification.
• To establish a reliable method for measuring unknown DNA samples.
• To create a linear calibration curve for accurate quantification.

Methods Used

• Preparation of PicoGreen reagent and DNA standards.
• Setup of the Hitachi F-7000 spectrophotometer parameters.
• Loading of samples into the microplate reader.
• Measurement of fluorescence to generate a calibration curve.

Main Results

• A linear calibration curve was established for dsDNA quantification.
• The method demonstrated high sensitivity and accuracy.
• Results showed a determination coefficient of 0.99993.
• The system effectively analyzed small quantities of dsDNA.

Conclusions

• The combination of PicoGreen dye and the F-7000 spectrophotometer provides a robust method for DNA quantification.
• This high-throughput approach meets the demands for accurate analysis in biological research.
• The method can be applied to various studies requiring precise DNA measurements.

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