QUBIT – Fluorescence RNA/DNA Quantification
DNA, RNA, and protein quantification for a single or multiple samples
Qubit Fluorometers detect fluorescent dyes specifically bound to the target molecule. With optimized Qubit Assays, they can distinguish dsDNA from ssDNA or intact from degraded RNA, even in extremely small amounts or in the presence of contaminants. A simple, intuitive interface and onboard calculators streamline the process. Results appear within seconds and can be exported to a computer or downstream device. The Qubit 4 Fluorometer is designed for low-throughput processing, a few samples at a time. The Qubit Flex Fluorometer is designed for mid-throughput processing, quantifying up to eight samples at a time, with the flexibility to process other increments. Qubit Flex Fluorometers support add-on SAE software for 21 CFR Part 11 compliance support.
Selection guide
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| Product summary | |
| Highly accurate, easy-to-use quantification of a single sample of DNA, RNA, or protein | Highly accurate, easy-to-use quantification of a up to eight samples of DNA, RNA, or protein |
Detailed comparison table
| Feature | Qubit 4 Fluorometer | Qubit Flex Fluorometer |
|---|---|---|
| Sample throughput | 1 sample in 3 seconds | 1–8 samples in 3 seconds |
| User interface | 5.7-inch color touchscreen | 8-inch color touchscreen |
| Onboard calculators | Reagent calculator | Reagent calculator Assay Range calculator Molarity calculator Normalization calculator |
| System Check | Qubit 4 System Verification Assay Kit | Qubit Flex System Verification Assay Kit |
| Fluorometer mode | Yes | Yes |
| Programmable open format | Yes, MyQubit | No |
| Instrument footprint | 13.6 x 25 x 5.5 cm
5.4 x 10 x 2.2 in. |
18.6 x 28.2 x 10.3 cm
7.3 x 11.1 x 4.1 in. |
| Sample data storage | 1,000 samples | 10,000 samples |
| Data export |
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| Light sources | Blue LED (peak ~470 nm) Red LED (peak ~635 nm) |
Blue LED (peak ~460–480 nm) Red LED (peak ~620–640 nm) |
| Excitation filters | Blue LED (430–495 nm) Red LED (600–645 nm) |
Blue LED (456–484 nm) Red LED (612–644 nm) |
| Emission filters | Green (510–580 nm) Red (665–720 nm) |
Green (513–563 nm) Far-red (671–693 nm) |
| 21 CFR Part 11 software support | Not available | Optional add-on SAE software |
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