The present invention relates to an apparatus and {TAIL ~ method} which enables a technician to hold a microcentrifuge tube in {HEAD ~ one hand}, and to open and close the cap without requiring a second hand 
The present invention relates to an apparatus and { TAIL ~ method } which enables a technician to hold a microcentrifuge tube in { HEAD ~ one hand } , and to open and close the cap without requiring a second hand
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH