Rotatable tube rack holder and tube rack rotator device for tube racks

The rotatable tube rack holder according to any of the preceding claims, wherein said plate(s) has/have a length along said axis of rotation of less than 55 cm, such as less than 50 cm, such as less than 45 cm, such as less than 40 cm, such as less than 35 cm, such as less than 30 cm, such as less than 25 cm, such as less than 20 or such as less than 15 cm.

The rotatable tube rack holder according to any of the preceding claims, wherein said compartment(s) comprises one or more wall(s).

The rotatable tube rack holder according to any of the preceding claims, wherein said locking mechanism is configured for enclosing the tube rack(s) and said tubes in said compartment(s).

The rotatable tube rack holder according to any of the preceding claims, wherein said locking mechanism for each compartment having a first position for allowing placement of said tube rack into said compartment and a second position for restricting said tubes from moving in a direction perpendicular to said plate.

The rotatable tube rack holder according to any of the preceding claims, wherein said locking mechanism comprises a lid.

The rotatable tube rack holder according to any of the preceding claims, wherein said rotatable tube rack holder further comprises a first stabilizing means and a second stabilizing means configured to stabilize said plate(s).

The rotatable tube rack holder according to any of the preceding claims, wherein said first stabilizing means is attached to a first end of said plate(s) along said axis of rotation and wherein said second stabilizing means is attached to an opposite end of said plate(s) along said axis of rotation.

The rotatable tube rack holder according to any of the preceding claims, wherein said first stabilizing means comprises a first attachment means configured to mount to a first mounting means in said tube rack rotator device.

The rotatable tube rack holder according to any of the preceding claims, wherein said second stabilizing means comprises a second attachment means configured to mount to a second mounting means in said tube rack rotator device.

A tube rack for holding a plurality of tubes, comprising:

• a base unit comprising a bottom having a plate and configured for being placed in a rotatable tube rack holder and/or one or more centrifuge(s);
• and
• a plurality of indentions in the base unit, each indention configured for holding a tube, wherein each indention comprises a cylindrical top section and a conical bottom section, the conical bottom section having an opening angle between 16 and 20 degrees, such as between 17 degrees and 20 degrees, such as between 18 degrees and 20 degrees, such as between 19 degrees and 20 degrees, such as between 17 degrees and 19 degrees, such as between 18 degrees and 19 degrees, and/or such as 18.5 degrees.

The tube rack according to any of the preceding claims, wherein said cylindrical top section has a diameter of approximately 10.9 mm.