Plastic storage boxes may have separate or attached (hinged) lids for convenience.Ĭryogenic and freezer boxes are available in assorted colors.Īlternatives to boxes include aluminum storage canes for cryostorage tubes and cell freezing containers for controlled freezing of cell samples. Lids are also sometimes printed with a grid design and space to note information about the samples in specific positions. Open or clear bottoms allow for bar code scanning. Ultra-low temperture storage of internally and externally threaded vials White polycarbonate box usable from -196C to +121C Transparent lid with molded-in numbers and coded grid Holds 81, 5 mL size vials. Plastic cryogenic freezer boxes may have clear covers for easier sample identification. Polycarbonate cryogenic vial storage boxes can be configured with clear covers for easy sample identification. Most fiberboard boxes are about 5 inches square with heights (including lids) from 2 to 5 inches. These cryo grid boxes are used for transferring, storing and manipulating vitrified cryo TEM. Typically made from cold-resistant fiberboard or plastic resins, they usually have drainage holes to facilitate removal of melted ice or liquid nitrogen.įiberboard freezer boxes can be fitted with dividers that are designed to fit various sizes of tubes ranging from PCR vials to 50-mL centrifuge tubes. ![]() 05-mm screw heads but can also be used for screw-head sizes. The Cryo EM Grid Box is of standard size for all common Cryo EM. These tweezers can be used with the EM-Tec GB-4 cryo grid box and other cryo grid boxes of similar design with a rotating lid and a central screw to hold the lid. No special tools are required since the lid is rotated with standard laboratory tweezers. ![]() The box has four diamond-shaped slot positions with identification numbers. ![]() 20 Open the grid box using the pre-cooled tool and place a sample. The SWISSCI Cryo EM Grid Box is made from a special polymer formulation for zero static at cryogenic temperatures. Cryogenic and freezer boxes, available in either polycarbonate or water repellent fiberboard, are used to store materials in ultra-low or cryogenic freezers. Transfer a grid box containing the plunged grids from Step 14 into the preparation base using pre-cooled large tweezers (Fig.
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