Microfluidic Sampling Valve

[2SW003]

2-SWITCH™ 3-port/2-way

The 2-SWITCH™ is a compact 3-port/2-way microfluidic sampling valve. Using standard fittings, it can be integrated into any microfluidic setup. Its unique and compact design allows users to combine 2-SWITCH™ devices to save space on your benchtop.

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Main benefits

Intuitive
Plug & Play valve & local button
Compact
Easily combine & parallelize
Quick
Actuation & Response time
Adaptable
Control with or without a PC

Features of the sampling valve

Fluid switching & sampling

The 2-SWITCH™ can be used for fluid switching or dispensing depending on the direction of flow. When 2 liquids are coming into the valve, select which to deliver to your device. Alternatively, one liquid can be driven into selected parts of a setup for sampling/sorting.

Parallelize & Combine

The specific design of the microfluidic valve for sampling allows one to combine several together with a minimum of space requirement. Added to the automation software, one can easily create multiple fluidic paths.

Time-based automation

The valve can be controlled using OxyGEN software for long-term and complex experiments. Create a time-based protocol to set the timing of the valve(s).

ON/OFF switch

The 2-SWITCH™ is a versatile device that is easily adapted into an on/off valve (2-port/2-position) by connecting a plug to one port (other than the common port).

A compact and useful tool

Its versatility makes it ideal for applications where fluid sorting, switching or periodic sampling are required.

Smart control and automation of your fluidic path

The 2-switch microfluidic sampling valve can be combined with other compact instruments to allow easy and precise fluid handling in complex microfluidic systems. Once integrated in the set-up, the valves can be controlled in real-time and don’t require a PC.

Benefits of the microfluidic valve for sampling

Ultra-low switching time: less than 3ms, making it compatible with our ultra-fast flow controllers
Low internal volume: 28µL
Versatility and ease of use

How to use the 2-switch valve

Hydrogel droplets production

When integrated in our droplet production station, the microfluidic sampling valve generates highly monodisperse alginate droplets. The switch is used in 2 configurations:

Fluid switching: In position 1, the switch will select the injection of water to stabilize the system and start droplet production of the desired diameter. Once the droplet generation is stable, switching to position 2 will allow users to alginate droplets
Fluid sampling: At the outlet of the chip, the switch position will determine if the generated droplets are recovered in the collecting tube or discarded into the waste

Figure 1. Schematics of the alginate droplets production setup

Immunostaining

Aria offers a balanced solution between manual pipetting and single-purpose, all-in-one systems. It allows for the automation of protocols involving multiple solution deliveries, for instance the capture process and immunostaining of breast cancer cells, ultimately saving scientists time and minimizing variability in experiments when compared to manual procedures.

With its outlet microfluidic sampling valve (2-Switch), Aria enables the precise direction of the outlet solution, either towards the intended application or waste, at any given time.

Specifications

PERFORMANCE

Pressure rating	2 bar, 5 bar upon request
Response time	3 ms

HARDWARE SPECIFICATIONS

Internal volume	28 µL
Internal diameter	1.2 mm (standard) or 0.8 mm (5 bar version)
Wetted materials	PEEK body, EPDM (standard) or FFKM (5 bar) seal
Dimensions	82 x 66 x 22.5 mm
Weight	116 g

CHEMICAL COMPATIBILITY

Mineral oil	Not compatible with EPDM membrane
Gas compatibility	Dry, oil-free gas, air, any non corrosive or non explosive gas
Liquid compatibility	Aqueous solvent, oil, organic solent, biological sample

OxyGEN

Control in real-time, protocol automation, data record and export

ver. 2.2.0.0 or more recent

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Software Development Kit

Custom software application

ver. 22.2.0.0 or more recent

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The 2-SWITCH™ is a 3-port / 2-way solenoid valve: two ports can alternatively be connected to a third one (the common port), thanks to the movement of a diaphragm actuated by a solenoid. The flow is bidirectional in this sampling microvalve, meaning that the device can be used as a selector and a distributor.

Microfluidic Sampling Valve