Related Experiment Video
Updated: Jan 20, 2026

High Throughput MicroRNA Profiling: Optimized Multiplex qRT-PCR at Nanoliter Scale on the Fluidigm Dynamic ArrayTM IFCs
Published on: August 3, 2011
Microfluidic SlipChip device for multistep multiplexed biochemistry on a nanoliter scale
Dmitriy V Zhukov1, Eugenia M Khorosheva1, Tahmineh Khazaei2
1Division of Chemistry and Chemical Engineering, California Institute of Technology, 1200 E. California Blvd, Pasadena, CA 91125, USA. rustem.admin@caltech.edu.
A novel multistep microfluidic device enhances SlipChip technology for multiplexed nanoliter reactions. This innovation enables complex biological assays, including RNA barcoding, with improved precision and sample identification.
Area of Science:
- Biotechnology
- Microfluidics
- Molecular Biology
Background:
- Current microfluidic devices have limitations in performing multistep reactions and multiplexing.
- SlipChip technology offers a platform for miniaturized assays but requires enhancements for complex workflows.
Purpose of the Study:
- To develop an advanced microfluidic device for multistep droplet merging and multiplexing.
- To expand the capabilities of SlipChip for complex biological assays requiring precise nanoliter reagent handling.
Main Methods:
- Development of a manually operated multistep microfluidic device with features for droplet merging and parallel processing.
- Utilizing interfacial energy for accurate nanoliter volume metering and reagent transfer.
- Incorporation of tunable reaction wells with pre-spotted reagents for sample identification.
Main Results:
- Demonstrated successful multistep droplet merging and multiplexing capabilities.
- Accurate nanoliter volume metering and reagent transfer into on-device reaction wells.
- Successful on-device RNA transcript barcoding for both synthetic and biological samples.
Conclusions:
- The developed multistep microfluidic device significantly expands SlipChip capabilities for complex assays.
- This technology is suitable for various biological applications, including single-cell analysis, requiring multiplexed nanoliter reactions.
- The device offers precise control over reagent handling and sample tracking.
Related Concept Videos
pH Scale
Scaling
Thermometers and Temperature Scales
As many physical properties depend on temperature, the variety of thermometers is...
Mnemonic Devices
Acronyms
Acronyms are created by using the initial letters of a series of words to form a new word or phrase. This approach condenses complex information into a single, memorable entity. For example,...
Non-ohmic Devices
Consider a simple circuit consisting of a battery, a diode, and a resistor. A...
Gas Thermometers and the Kelvin Scale

