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Anti-tumor drugs tested by microfluidic device

A microfluidic device developed in Hong Kong enables non-invasive testing of anti-tumor drugs by subjecting cancerous cells to different concentration gradients. The device integrates a previously validated analysis method that quantifies cell apoptosis in real-time, allowing for precise control and reduced costs.

SourceAmerican Institute of Physics·JournalBiomicrofluidics·DateOct 5, 2010

Faster DNA analysis at room temperature

Paul Li's new technique combines DNA microarrays with microfluidic devices, allowing for faster and more efficient DNA analysis at room temperature. The method uses gold nanoparticles to separate single strands of DNA, enabling quicker detection and identification of specific genetic sequences.

SourceAmerican Institute of Physics·JournalBiomicrofluidics·DateAug 3, 2010

A lab-on-a-chip with moveable channels

UC engineering researchers have created a paradigm shift in microfluidics by developing a lab-on-a-chip with programmable microfluidic systems. This innovation enables the reconfiguration of microchannel structure as needed for performing various biomedical assays, such as DNA analysis and immunoassays.

SourceUniversity of Cincinnati·JournalLab on a Chip·DateMar 23, 2010

Stitching together 'lab-on-a-chip' devices with cotton thread and sewing needles

Scientists in Australia have developed a novel method to stitch together microfluidic analytical devices using ordinary cotton thread and sewing needles, promising revolutionary applications in medicine and environmental sensing. This simple and relatively low-cost approach uses the wicking properties of cotton thread to transport flui...

SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateFeb 18, 2010

'No muss, no fuss' miniaturized analysis for complex samples developed

NIST researchers have developed a novel method for analyzing complex samples with minimal sample preparation, using Gradient Elution Moving Boundary Electrophoresis (GEMBE) in microfluidic devices. This technique enables the separation of components from solutions containing particulates or other contaminating materials.

Music is the engine of new U-M lab-on-a-chip device

Researchers at U-M have developed a lab-on-a-chip device that uses sound waves to drive experimental samples through the device. This innovation replaces traditional electromechanical valves with resonance cavities, amplifying specific musical notes to create air pressure controlling droplets.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateJul 22, 2009

Engineers demonstrate a new type of optical tweezer

Engineers at Harvard University have developed a novel optical tweezer that can perform calibrated force measurements with high precision. The device, consisting of a Fresnel Zone Plate fabricated on a glass slide, has the potential to revolutionize biological and microfluidic applications.

SourceHarvard University·JournalApplied Physics Letters·DateFeb 25, 2008

Probing biology's dark matter

A new microfluidics device has enabled researchers to analyze a rare bacteria found in the human mouth and sequence over 1,000 genes from an unstudied group of bacteria, known as TM7. This breakthrough technology holds promise for advancing microbial ecology and discovering new species.

SourceHoward Hughes Medical Institute·JournalProceedings of the National Academy of Sciences·DateJul 19, 2007

MIT: Flowing bubbles mimic computer

Researchers at MIT's Center for Bits and Atoms have created a microfluidic device that uses bubble logic to control chemical reactions and perform process control information like a computer. The technology has the potential to revolutionize large-scale chemical analysis, synthesis, testing, and industrial production processes.

A medical micropump

University of Utah engineers invented a tiny, inexpensive micropump that can move chemicals, blood or other samples through a card-sized medical laboratory. The pump could aid development of lab-on-a-chip technology, which aims to reduce the price and time for lab tests.

SourceUniversity of Utah·JournalJournal of Micromechanics and Microengineering·DateNov 14, 2006

Electromagnetic miniatures

Scientists at Harvard University have developed a method for creating microfluidic channels with parallel metal wires, allowing for the control of magnetic components. The method uses polydimethylsiloxane resin and molten solder to produce stable metal cables, which can generate strong magnetic fields within the channel.

SourceWiley·DateOct 6, 2006

Open microfluidic and nanofluidic systems

Researchers have developed a new theory explaining the wetting morphologies of liquids in open surface channels. The study reveals that channel geometry and substrate-liquid interaction are key factors determining liquid behavior, enabling the creation of microcompartments for confinement of small amounts of liquids and chemical reagents.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateFeb 15, 2005

Optical control technique could enable microfluidic devices powered by surface tension

Researchers at Georgia Tech have developed an optical control technique that can enable the production of new types of microfluidic devices without etching channels. By using lasers to create complex patterns of varying-intensity light on a substrate material, differential heating can be achieved, resulting in thermocapillary action an...

SourceGeorgia Institute of Technology Research News·JournalPhysical Review Letters·DateAug 5, 2003