Invitrogen™

Qubit NGS Library Quantification Assay Kit

The Invitrogen™ Qubit™ NGS Library Quantification Assay is an easy-to-use fluorescence-based assay for precise molar quantification of sequencing-ready Illumina next-generation sequencing (NGS) libraries using the Qubit™ Flex Fluorometer or compatible fluorescence microplate readers.

Catalog Number

Q34250

Quantity

1 Ea.

Product Overview

The Invitrogen™ Qubit™ NGS Library Quantification Assay is an easy-to-use fluorescence-based assay for precise molar quantification of sequencing-ready Illumina next-generation sequencing (NGS) libraries using the Qubit™ Flex Fluorometer or compatible fluorescence microplate readers. The assay selectively quantifies P5/P7-adapted double-stranded DNA libraries prior to sequencing, helping ensure optimal cluster density and successful sequencing runs.

Accurate determination of library concentration is a critical step in NGS workflows, as the amount of DNA loaded onto a flow cell directly impacts cluster density, data quality, and sequencing efficiency. The Qubit NGS Library Quantification Assay provides a dilution-free, time-saving alternative to qPCR-based library quantification methods while delivering comparable precision.

features

Key features and benefits

The streamlined workflow reduces hands-on time and minimizes potential user error, enabling efficient library quantification for both genomic core facilities and individual laboratories. By delivering precise quantification of sequencing-ready libraries, the Qubit NGS Library Quantification Assay helps ensure optimal cluster density on flow cells, improving sequencing outcomes.

Selective molar quantification

Measures only dual-adapted, sequencing-ready libraries for improved accuracy

Dilution-free workflow

Eliminates error-prone serial dilution steps required for qPCR

Broad dynamic range

Quantifies libraries from 0.8–46 nM without additional dilution

Robust performance

Accurately quantifies target libraries even in the presence of contaminating nucleic acids

Flexible detection

Compatible with the Qubit Flex Fluorometer and fluorescence microplate readers

Accessible and cost-effective

No need for dedicated qPCR instrumentation

Notes

Designed for use with the Qubit Flex Fluorometer (Cat. No. Q33327) and fluorescence-based microplate readers. The assay is not currently available for use on Qubit 4 Fluorometers.

Optimized for use with Qubit Flex Pyrogen Free Assay Tube Strips (Cat. No. Q32893).

Requires the use of the Qubit Flex System Verification Assay Kit (Cat. No. Q33254) prior to the first assay run.

Specifications

Product Specifications

Detection Method

Fluorescence

Emission

515 nm

Excitation

490 nm

No. of Reactions

96 Reactions

Product Type

Fluorescence Assay

Quantity

1 Ea.

Format

Kit

Isolation Technology

Magnetic Bead

Sequencing Type

Next Generation Sequencing

Unit Size

Each

Figures

Linearity

Qubit Flex Quick Reference

Selectivity