Team:Mississippi State/Check cell density

To check cell density do the following:


 * 1) Zero the machine using same LB as used in the cell stock.
 * 2) Put 1ml Cell stock in vial for machine.
 * 3) Wipe off the outside of vial with tissue paper.
 * 4) Place vial in machine and close.
 * 5) Reading needs to be around 0.4, and at least above 0.3.
 * 6) If density doesn't meet this criteria, place back in 37C shaker for 5-10min. and check again.