Roto-Shake
Genie Personal Communication #2
Tan, J., personal communication,
2003.
“The Roto-Shake Genie attains the standard expectations
of a rocker: the beveled non-skid tray provides guard-rails
for evenly shaking blots, and adjustable speed permits experiment-appropriate
washing or mixing force. However, the Roto-Shake Genie provides
additional design features which set it apart from the standard
rotator/shaker. Choice from five different rotating or mixing
motions in one apparatus renders this model applicable to
a broad range of needs. Beyond traditional applications of
blot incubation or solution mixing, the Genie is fit for virus
and protein-protein interaction, or protein-nucleic acid interaction,
techniques. Examples include the popular Baculovirus system
for recombinant protein production; the Roto-Shake Genie combined
rotating/rocking setting offers even distribution of recombinant
virus over insect cells during the prescribed infection incubation.
For experiments demanding tube rotation, including any variety
of affinity matrix incubation with protein or nucleic acid
target, the magnetic adaptors provided with this purchase
firmly secure samples for extended mixing. Magnetic holders
are also included to fasten seal-a-meal bags as used for radioactive
probe mixing as mandated in Southerns, Northerns, or nuclear
run-ons. Given Roto-Shake Genie adaptability to a temperature
range of 0 to 38°C, moving the Genie to a cold room or
warm incubator setting offers an alternative to the potential
clean-up mess of radioactive blot incubation in a waterbath
shaker.”
“…we are eager to use the Roto-Shake Genie
for co-immunoprecipitation of proteins, for which the magnetic
tubeholders, and option to move the Genie from a refrigerated
setting to a countertop, room temperature setting, are particularly
helpful. The magnetic tubeholders should preclude tubes sliding
off the shaker mid-incubation, as occurred with our older
shaker, and the temperature flexibility permits antibody vs.
affinity matrix binding at distinct temperatures. Our lab
also uses the Baculovirus system as mentioned above, which
requires shaking incubation of virus and target cells. My
own project has called for nuclear run-on analysis, and a
deluge of Southerns, for which this rocker would certainly
be helpful. Finally, Western blotting is an almost constant
activity in our lab and the Genie is well-suited to serve
in that capacity.”
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