Selecting the correct white or clear PCR 8-strip tubes can maximize sensitivity, ensure reproducibility, and ultimately, trust your results. To help you quickly assess the differences, here is a direct comparison of their key characteristics:
| Feature | White 8-strip Tubes | Clear 8-strip Tubes |
| Light Interaction | Reflective. Bounces fluorescent signal toward the detector. | Transmissive. Allows signal to scatter and pass through the tube wall. |
| Data Sensitivity | Higher. More signal captured often translates to lower Cq (Ct) values. | Potentially Lower. Signal loss can lead to artificially higher Cq values. |
| Compatible Instruments | Suitable for “Top-Reading” Optics instruments that detect fluorescence from above the tube.
Examples: 1. ABI StepOne / StepOne Plus / 7500 Fast / 7900 Fast 2. Bio-Rad CFX96 / CFX384 Touch Systems 3. Roche LightCycler® 480 4. Eppendorf Mastercycler® ep realplex |
Suitable for “Bottom-Reading” or “Side-Reading” Optics instruments that detect fluorescence from bottom or side of the tube.
Examples: 1. ABI 7500 Fast qPCR/ QuantStudio™ Systems 2. Roche LightCycler Nano 3. Shanghai Hongshi SLAN® Real-Time PCR Systems 4. Standard choice for conventional (end-point) PCR where no fluorescence detection is involved. |
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Post time: Mar-05-2026