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Thorough mixing of 2 or more liquid solutions
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Thorough mixing of slurries, viscous solutions and oil suspensions
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Thorough mixing of substances that float on the surface
of the solvent (Stir StiX)
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Make emulsions
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Grind particulates
down to smaller sizes using grit
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Keep particulates in suspension
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Resuspend chemical libraries after storage
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Aeration of microbial cultures to increase DNA or protein yield
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Miniaturization of fermentations & chemical reactions
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Stirring chemical reactions to speed completion
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Heat and Stir to facilitate compound synthesis
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Enables
parallel synthetic
development of processes
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Resuspend settled microorganisms
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Keep microorganisms suspended during
gridding operations
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Break up filamentous organisms
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Dissolve solid compounds
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Resoluabilize
dried extracts from large screening libraries
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Facilitate making dilutions
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Scrape tissue culture monolayers and
release DNA
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Mix and immobilize reactions that use
magnetic beads
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We offer a large assortment of magnetic Stainless Steel Stir Elements from Stir
StiXs to bars and dowels to fit into any well, vial, tube or syringe.
Check out the Stir
Element page
for more information on coatings and dimensions.
We also sell
Alnico and Rare Earth Magnetic Stir Bars and Discs that are capable of
stirring the most viscous liquids even honey. Our Magnetic discs are
magnetized through the thickness and consequently stand on end and Tumble
laterally producing the most efficient vortex cones. |
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A video clip of the Vortex Stirrer in action can be seen
below. This video
illustrates the vigorous stirring action of the discs.
Download
Video Vortex Lateral Tumble Stirrer
(mpeg movie- 36.9MB)
Press
the play button to view the video in a flash format, flash must
be installed, or click the download link to download a mpeg
version. |
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A demonstration of the Tumble Stirrer using Stir
StiXs to rapidly mix tall solutions of different specific densities in glass
vials. In this video we illustrate the ease and speed of a Vortex Stirrer "Tequila Sunrise" *(sucrose solutions of different color and
density). This Stir StiX method also has application in solubility studies and
resolubilizing chemical libraries prior to testing. Many compounds
with poor solubility float on top the solution and so there is inadequate
exposure to the solvent. The Stir StiX passes
through the solvent/compound interface and assures the maximum degree of
solubilization. More information about this new method of stirring
can be found on the Stir StiX page.
Download
Video Vortex Tumble Stirrer Mixing with VP 736 Stir StiX
(mpeg movie- 14MB)
Press
the play button to view the video in a flash format, flash must
be installed, or click the download link to download a mpeg
version. |
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Follow this link for the magnetic
field strength of the Tumble Stirrers and cautions for people with pacemakers.
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The Vortex Lateral
Tumble Stirrer Model VP 708A is a triangle measuring 30.5 cm on each
side and 40 cm tall. The Stir deck weighs 9 kg.
The
VP 708A Vortex Lateral Tumble Stirrer simultaneously stirs 7
layers of 3 standard microplates - 21 total or 2,016 specimens in 96 well
microplates, 8,064 specimens in 384 well microplates or 32,256 specimens
in 1536 well microplates.
The VP 708A is capable of spinning the stir elements at speeds from 40 to
1550
RPM. The high speed vortex action is great for many applications
especially if you want to stir the contents of deep well microplates.
The ability to turn the stir elements over 1550 RPM in the same direction,
creates significant fluid movement. This fluid movement and the physical
interaction with the stir elements is ideal for resuspending dried
extracts, mixing viscous reagents and keeping organisms or beads in
suspension in deep well microplates.
This model also is
available in a CE compliant version (VP 708ACE). The designation "CE" on the catalog
number of stirrers indicates the international version designed to
operate on 230 Volts at 50 hertz.
All of the motors and controls used in
the Vortex Lateral Tumble Stirrer are rated for continuous rugged usage and are maintenance
free. If you need to stir for long periods of time, this system won't
quit on you. |
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The platters that
the microplates rest on can be reconfigured to adapt to plates or racks of
different heights by simply adding or subtracting spacers. The photo
to the right illustrates the Vortex Lateral Tumble Stirrer configured to
stir midi deep well blocks, standard microplates and test tubes.
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The photo to the right
illustrates the Vortex Lateral Tumble Stirrer configured to stir
12 deep
well blocks.
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One customer had an application that required
mixing and being able to visually monitor the bottom his plates while
mixing. Our solution was the
VP 708A-L-PLATTER with a nest
that is cut in the platter to hold the edge of a microplate and a
rectangular hole to expose the bottom surface of the plate for a variety
of optical probes to access the bottom surface.
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The number of VP
708A-L-PLATTERs to use will depend on the requirements of the optical
sensors used. The photo on the right illustrates the flexibility of
construction design. Just add or subtract spacer rings to increase
or decrease the distance between the platters.
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The
VP 708S Vortex Lateral Tumble Stirrer can hold more microplates and simultaneously stirs
9
layers of 4 standard microplates - 36 total or 3,456 specimens in 96 well microplates,
13,824 specimens in 384 well microplates or 55,296 specimens
in 1536 well microplates.
The VP 708S is capable of spinning the stir elements at speeds from 40 to
1550
RPM. The high speed vortex action is great for many applications
especially if you want to stir the contents of deep well microplates.
The ability to turn the stir elements over 1500 RPM in the same direction,
creates significant fluid movement. This fluid movement and the physical
interaction with the stir elements is ideal for resuspending dried
extracts, mixing viscous reagents and keeping organisms or beads in
suspension in deep well microplates.
The larger
magnetic cylinder of the VP 708S produces a magnet flux field that
extends farther than the VP 708A thus it facilitates the stirring of
much more viscous solutions.
This model also is
available in a CE compliant version (VP 708SCE). The designation "CE" on the catalog
number of stirrers indicates the international version designed to
operate on 230 Volts at 50 hertz.
All of the motors and controls used in
the Vortex Lateral Tumble Stirrer are rated for continuous rugged usage and are maintenance
free. If you need to stir for long periods of time, this system won't
quit on you.
Watch an instructional video of how
to use the VP 708S Vortex Lateral Tumble Stirrer
Download video (mpeg
movie- 17.7MB)
Press
the play button to view the video in a flash format, flash must
be installed, or click the download link to download a mpeg
version.
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Stronger magnetic stirring
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Can
stir much more viscous solutions
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Accommodates more microplates
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Nine platters and four columns
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This video demonstrates VP 708-CON
(Patent #7,484,880)
and how to turn a
VP 710C1 tumble
stirrer into a vortex stirrer with it.
Just remove the microplate deck from a a VP 710C1 and place
it in the VP 708-CON and you are ready to mix by vortex
stirring.
Download video of
Tumble Stirrer to Vortex Stirrer using VP
708-CON
(mpeg
movie- 21MB)
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The photo to the right illustrates how
easy it is to reconfigure the decks to accommodate standard
microplates, deep well microplates or test tube racks. |
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The photos to the right demonstrates the
vast diversity of containers the VP 708-CON is able to
accommodate.
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The photo to the right shows the large
mixing area around the VP 708-CON. This allows for the
mixing many vessels at once.
This video demonstrates the VP 708-CON
and its wide variety of mixing
capabilities.
Download Video
VP 708-CON
(mpeg movie- 16MB)
Press the play button to view the video
in a flash format, flash must be installed, or click the
download
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VP 710G6
with base
plate on
the end
so the
stirrer can
stand upright.
Base plate is
190.5mm x 215.9mm
x 12.7mm Thick
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The photo to the right shows the VP
708-CON-1 mixing racks of vials inside an incubator.
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Download Video
VP 708A-1
(mpeg movie-
7MB)
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The newest of our innovations in stirring in
microplates are the Umbrella Stirrers
VP 772FNU-24. The Umbrella Stirrers are constructed out of
PTFE with our unique sandwich pockets for the magnets positioned above
the support plate to keep the stirrer from touching the bottom of the
microplate. These Umbrella Stirrers allow for mixing in 24
well microplates without touching the bottom or sides of the wells.
Thus cells or other objects on the bottom of the wells will not be
damaged or disturbed when new compounds or reagents are added to the
wells and mixed. These stirrers are capable of mixing solutions as
viscous as 90% honey. See video
This system can also be used to mix magnetic beads as the stirrer's magnet
is not in contact with the liquid.
These stirrers are designed to only work with our VP 708 series Vortex
Stirrers. |
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Download Video of VP 772FNU-24
in action
(mpeg movie-
28MB)
Press
the play button to view the video in a flash format, flash must
be installed, or click the download link to download a mpeg
version. |
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The Umbrella system consists of an autoclaveable polycarbonate support
plate
VP 772FNU-24P with 24 holes to accommodate the VP 772FNU-24 Stir
Elements see arrow. The microplate lid fits on top of this support
plate.
This type of stirrer can also be custom made for 48 and 96 well
microplates. |
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Umbrella stirrers on VP 708-CON vortex Stirrer.
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The Vortex Lateral Tumble Stirrers are available on a lease/option to buy program.
This allows you to do Proof of Principle experiments to see if Vortex Tumble
Stirring will work in your application. If it works for you, then the
first month lease payment is applied to the purchase price of any of our
Stirrers. The first month lease payment is only 10% of the purchase price.
If it doesn't work in your application just send it back to us. The second month lease is 50%
of the purchase price and is NOT applicable to the purchase price of
another stirrer it is just applicable to the leased Stirrer.
Inquire about lease terms
mailto:sales@vp-scientific.com
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VORTEX LATERAL TUMBLE STIRRER, 40 to
1550 RPM, 115 volts, 60 Hz controller, 48 MGO neodymium magnets -
stirs 9 deep 96 well microplates or 21 conventional plates at once |
VP 708A |
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VORTEX LATERAL TUMBLE STIRRER,
40 TO 1550 RPM, European 230 volts and 50 hertz controller, CE
compliant, 48 MGO neodymium magnets- stirs 9 deep 96 well microplates or 21
conventional plates at once |
VP
708ACE |
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VORTEX LATERAL TUMBLE STIRRER, 40 to
1550 RPM, 115 volts, 60 Hz controller, 48 MGO neodymium magnets- stirs 12 deep 96
well microplates or 36
conventional plates at once |
VP 708S |
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VORTEX LATERAL TUMBLE STIRRER,
40 TO 1550 RPM, European 230 volts and 50 hertz controller, CE
compliant, 48 MGO neodymium magnets- stirs 12 deep 96 well microplates or 36
conventional plates at once |
VP 708SCE |
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VORTEX LATERAL TUMBLE STIRRER CONVERSION SYSTEM,
when mated with a VP 710C1 it will spin at 30 to
1000 RPM. Powered by a
115 volts, 60 Hz controller and 48 MGO neodymium magnets -
stirs 4 deep 96 well microplates, 4
racks of test tubes or 10 conventional
microplates at once |
VP 708-CON |
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SEVEN POSITION
STIRRER, 30 to
1000 RPM, 115 volts, 60 Hz controller,
48 MGO neodymium magnets -
stirs 7 deep 96 well microplates or 21 conventional plates at once |
VP 706-7 |
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Click here
for a list of published articles that cite using the
products on this page.
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