Abaxis VETSCAN VS2 Manual Del Usuario página 17

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2.5.3
Samples
What types of samples can I run on the VS2?
Whole blood, serum, or plasma.
Is precision pipetting required?
No. Adding approximately 100–120  l of sample is sufficient. (Make sure not to overfill the
chamber, or internal spills can result.) The VS2's on-board microfluidics handle the rest.
Can I use sodium heparin?
No. This anticoagulant can alter results. We recommend using lithium heparin with the VS2.
Can I use whole blood directly in a rotor?
No. Syringes might be heparinized with sodium heparin anticoagulant, which is not recom-
mended for use with the VS2. Instead, transfer the sample to a green top lithium heparin tube
before loading into the rotor.
2.5.4
Rotors
If I inadvertently run an outdated rotor, do I risk inaccurate results?
The analyzer checks the rotor, and cancels the run if the rotor is outdated. This makes it essen-
tial to set your VS2 to the correct date and time. See
for instructions.
What is the shelf life of rotors?
Rotor shelf life depends on the type of rotor, but averages approximately 9 to 18 months from
the date of manufacture. See the package label to determine the rotor expiration date.
To ensure optimal performance through the expiration date, the rotors must be refrigerated at
2–8° C (36–46° F), and used one at a time directly from the refrigerator.
Note:
Do not store rotors in the freezer. This freezes the diluent pack, which prevents it from
running properly in the instrument.
General Information
"Changing Date and Time" on page 5-14
2-5

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