Store samples securely at low temperatures, including vapor phase Liquid Nitrogen with Thermo Scientific™ Matrix™ 500 µl screw top tubes.

• Tubes are constructed of virgin class VI medical grade polypropylene
• ScrewTop caps feature a soft silicone gasket that conforms to mating surfaces to ensure sample preservation
• Racks are constructed of sturdy acrylonitrile butadiene styrene (ABS) to protect tubes in case of accidental dropping
• ScrewTop Tubes are compatible with storage down to –196 °C

Used in combination with Thermo Scientific™ VisionMate™ 2D barcode readers, manual and automated capping equipment, and labeling options, the 2D ScrewTop Tubes meet a range of manual and automated long term storage needs.

Secure tracking:
Permanent, unique 2D barcode is laser-etched on the bottom of each tube
2D barcode allows you to scan and decode tubes at once without removing them from the rack, and allows data to be associated with each tube
Compatible with our range of VisionMate readers

Superior storage format:
ANSI-format latch racks maximize storage space and are compatible with multichannel manual pipettes or automated liquid handling equipment
Several capping / decapping options available to manipulate a single tube, eight tubes, or 96 tubes at a time

Stringent quality control:
Every 2D barcode is scanned for readability
Every 2D barcode is checked against the database of all previous Thermo Scientific 2D barcodes to ensure there are zero duplicates
Each tube is leak tested to ensure tube integrity and sample security
All tubes are supplied free from DNA, RNase, DNase, endotoxins and cytotoxins