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Bead Beating: A Primer (continued)

APPENDIX A

Homogenizer Capacity and Configuration

Vortexer HT Mini™ HT 24™ HT Homogenizer™ 1600 Mini G™ 2010 GenoGrinder®
Characteristics            
Motion Vortex Arch Figure 8 Linear Linear Linear
Speed - High 3000 rpm 4000 rpm 4200 rpm 1600 rpm 1500 rpm 1750 rpm
Speed - Low Varies 2800 rpm 2400 rpm 50 rpm 500 rpm 500 rpm
Timer Available 0-60 sec. 0-90 sec[1] 0-10 min. 0-10 min. 0-20 min.
Pulsing Feature Available No Yes No No No
Cryogenic Grinding No No No No Yes Yes
Grinding Formats            
Microcentrifuge Tubes 12 - - 24 50 100
Disruption Tube (nonskirted) - 3 24 24 50 100
Disruption Tube (skirted) - - 24 24 50 100
Deep Well Plate - - - 1 2 4-6[2]
4 ml Grinding Vials - - - 24 48 144
15 ml Grinding Vials - - - 5 10 30
15 ml Conical Tubes - - - - 12 24
50 ml Conical Tubes - - - - 6 12


[1] The HT 24 can run for 90 seconds continuously, but can cycle 10 times using the pulsing feature.  When pulsing, a pause is inserted between the run times, and the pause is between 1and 120 seconds.  Thus, total processing time can be up to 15 minutes with pauses of as little as 1 second.

[2] Initially the GenoGrinder 2010 could be adapted to hold four deep well plates.  The clamp assembly was later modified to hold up to six plates.