תיאור
Automated Multichannel Pipetting
Improved ergonomics
No matter how light and well balanced a pipette is, prolonged pipetting tasks remain physically and mentally challenging. While some steps always need to be performed manually, many other steps can be automated. To prevent RSI caused by extensive repetitive motions, manual pipetting should be minimized. VIAFLO ASSIST lets you switch between the manual and automated pipetting tasks on the fly, relieving you of much of the pipetting burden.
Consistent pipetting
The benefits of automating a pipetting procedure are manifold. Next to optimizing ergonomics, it increases the reproducibility of pipetting. The major source of problems in pipetting performance are human errors. Typical parameters influencing the performance are tip immersion depth and pipetting angle. The automated pipetting capability of VIAFLO ASSIST ensures these parameters are always the same, resulting in an increased reproducibility. Also, VIAFLO ASSIST makes no pipetting mistakes! |
Versatility
 Smart pipette adapter
The pipette adapter of VIAFLO ASSIST allows the use of all VIAFLO II multichannel pipettes. The width of the adapter can be adjusted so that 8-, 12-, and 16-channel pipettes can fit. The pipettes cover a volume range of 0.5 – 1250 µl.
Plate compatibility
Plates of 6-wells to 384-wells can be used. The plate sledge accommodates the plates either in portrait or landscape orientation.
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Bluetooth Connectivity
Bluetooth
The VIAFLO II pipette and VIAFLO ASSIST communicate via Bluetooth, supporting simple wireless connectivity.
Pipetting protocols are transmitted from the pipette to VIAFLO ASSIST and are then carried out automatically.
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User Interface
Navigation
Protocol setup and selection is done using the pipette’s intuitive user interface. It is based on the popular Touch Wheel and allows extremely fast menu navigation and volume adjustments. Simply by moving a finger over the touch wheel, menus and settings can be accessed.
Choosing a protocol
Three predefined protocols allow a quick start: Serial Dilution, Repeat Dispense and Variable Dispense. For more elaborate pipetting routines, custom programs can be created in an easy step by step setup. |
GripTip System
GripTip pipette tips snap on
Do your pipette tips ever loosen, leak or fall off? This is a common issue in laboratories, caused by the use of standard pipette tips. Such tips require “hammering on” and immediately start moving back to their original shape, away from the tip cone. This can cause leaking, unaligned tips and even pipet tips that completely fall off the pipette!
All of this will never happen again with any VIAFLO II electronic pipette / GripTip combination. Featuring a low attachment force and a low ejection force; GripTips effortlessly snap onto the tip fittings and are easily ejected. Also, GripTips feature a high lateral resistance once attached to the VIAFLO II pipettes. This means GripTips are always firmly attached and perfectly aligned, regardless of how many side well touch offs are performed. You no longer have to hammer your pipette tips on or worry about pipette tips falling off!
A shoulder provides a positive stop to prevent over-tightening of the tip. It can only be attached up to that point and no further, ensuring that all tips are at the same height. That means, the tip is either on or off, but nothing in between.
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The rim of the GripTips will snap over the Multi-Lobes, attaching firmly. As a result, GripTips will never accidently fall off.
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Plate Filings
Filling multiple plates might not be a difficult task but is strenuous nonetheless. In order to improve pipetting ergonomics, manual pipetting should be minimized.
VIAFLO ASSIST helps you to fill microplates without risking repetitive strain injury.
Reagent Additions
Draw reagent from the reagent reservoir, a PCR tube strip , the plate itself or an external source to add it to the target plate.
An optional mixing step helps to achieve a homogenous distribution of the sample.
For a precise liquid transfer and to make sure that no remaining liquid clings to the tip end, performing a touch off is common practice. VIAFLO ASSIST allows both a touch off on the side wall of the well or inside the liquid.
Serial Dilutions
Serial dilutions can be tedious due to the many mixing steps that are required. VIAFLO ASSIST carries out your serial dilution protocols automatically. Simply define the number of mixing cycles, speed and mix volume.
Serial dilutions are often carried out with the plate in portrait orientation. This allows more samples to be diluted. VIAFLO ASSIST allows working in landscape and portrait format.
The concentrated sample can be drawn from a reagent reservoir, a PCR tube strip and the plate itself (e.g. First column). In addition, the sample can also be aspirated with the pipette from an external source before placing it on the VIAFLO ASSIST and starting the protocol.
| Dimensions (W x D x H) |
34 cm x 36 cm x 40 cm |
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| Weight |
10 kg |
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| Operating conditions |
Temperature: 5 °C – 40 °C, Humidity: <85 % non-condensing |
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| Power requirements |
100 – 240 VAC, 50/60 Hz |
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| Pipetting technology |
Air displacement |
