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Updated: May 6, 2026

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

Published on: October 1, 2007

Valved microfluidics with Ostemers.

Naveen Kumar K R¹, Saima Hamid², A K Niketa²

¹Center for Interdisciplinary Program, Indian Institute of Technology Hyderabad, Hyderabad, India.

|May 5, 2026

Summary

This summary is machine-generated.

Ostemer polymers offer a novel solution for microfluidic devices, overcoming limitations of Poly(dimethylsiloxane) (PDMS). This new material enables durable, high-performance microfluidic systems with integrated valves.

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Last Updated: May 6, 2026

Microfluidic Chips Controlled with Elastomeric Microvalve Arrays

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Multi-step Variable Height Photolithography for Valved Multilayer Microfluidic Devices

Multi-step Variable Height Photolithography for Valved Multilayer Microfluidic Devices

Published on: January 27, 2017

Area of Science:

Materials Science
Microfluidics Engineering
Polymer Chemistry

Background:

Poly(dimethylsiloxane) (PDMS) is widely used for microfluidics but suffers from poor wettability, chemical instability, and porosity.
These limitations hinder advanced device functionality and material integration in microfluidic systems.

Purpose of the Study:

To introduce Ostemer polymers as a superior alternative for fabricating microfluidic devices.
To develop and characterize novel valved microfluidic architectures using Ostemer polymers.

Main Methods:

Fabrication of a three-layer microfluidic device using Ostemer polymers and NOA-84 optical adhesive for the valve membrane.
Pneumatic actuation of the valve membrane and analysis of its deflection behavior.
Evaluation of valve switching transition times and long-term operational stability.

Main Results:

The Ostemer-based microfluidic devices feature a decoupled three-layer design for optimized performance.
Valve membranes demonstrated predictable deflection and switching transition times of approximately 200 ms.
The fabricated devices exhibited long-term stability, flexibility, and resistance to chemically aggressive environments.

Conclusions:

Ostemer polymers provide a versatile platform for advanced microfluidic systems, addressing key limitations of PDMS.
This approach enables the creation of next-generation microfluidics with enhanced integration, durability, and functional diversity.