Store samples securely at low temperatures, including vapor phase Liquid Nitrogen with Thermo Scientific™ Matrix™ 500μL ScrewTop tubes. These tubes are molded from medical grade resins and feature a permanent, high contrast 2D barcode. 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.

• 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 -176°C

• 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

• 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, 8 tubes, or 96 tubes at a time

• 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, PCR Inhibitors, endotoxins and cytotoxins