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A precision arm for miniature robots

Researchers at ETH Zurich have created a device that uses ultrasound to automate laboratory analysis tasks. The device combines microfluidics and robotics, allowing for the mixing, pumping, and trapping of tiny amounts of liquid. This innovation enables the automation of previously custom-designed systems.

SourceETH Zurich·JournalNature Communications·DateJan 13, 2023

New technique helps ID genes related to aging

Researchers from North Carolina State University have developed a new method for identifying genes relevant to the aging process in the C. elegans roundworm model. By exposing thousands of worms to random genetic mutations, they can pinpoint which genes are associated with protein aggregation and reduced lifespan.

SourceNorth Carolina State University·JournaliScience·TypeExperimental study·DateNov 1, 2022

‘Placenta-on-a-chip’ mimics malaria-infected nutrient exchange between mother-fetus

Researchers developed a novel 3D microfluidic device to study complicated processes within the placenta, including placental malaria. The model demonstrates that CSA-binding infected erythrocytes add resistance to the simulated placental barrier for glucose perfusion and decrease glucose transfer across this barrier.

SourceFlorida Atlantic University·JournalScientific Reports·TypeComputational simulation/modeling·DateSep 26, 2022

Teams of sperm swim more smoothly against the current

A recent study found that sperm clustering in viscoelastic fluid offers three biological benefits: reduced direction changes, improved alignment, and increased safety from strong flows. This research may inform studies on infertility and provide better selection of sperm for assisted-reproduction technologies.

SourceFrontiers·JournalFrontiers in Cell and Developmental Biology·TypeExperimental study·DateSep 22, 2022

Droplet-array sandwiching technology: Making versatile biochemical tools out of droplets

Researchers at Ritsumeikan University have created a technique to precisely control the concentration of chemicals in droplets using electrowetting-on-dielectric (EWOD). This allows for accurate drug screening and cell-based analysis, enabling the efficient handling of substances on a smaller scale than traditional pipettes.

SourceRitsumeikan University·JournalSensors and Actuators B Chemical·TypeExperimental study·DateAug 25, 2022

UMass Amherst researcher uses graphene for same-time, same-position biomolecule isolation and sensing

New research by UMass Amherst professor Jinglei Ping demonstrates the use of graphene for electrokinetic biosample processing and analysis, allowing for faster and more efficient detection of biomolecules. This breakthrough enables the creation of smaller lab-on-a-chip devices with improved time and size efficiencies.

SourceUniversity of Massachusetts Amherst·JournalACS Nano·TypeExperimental study·DateJul 18, 2022

Chung-Ang university researchers pioneer new way to manipulate microdroplets

Scientists at Chung-Ang University have pioneered a novel method for controlling microdroplet motion on solid surfaces using near-infrared light. This approach allows for more precise control than traditional thermal techniques and opens up new possibilities for applications in microfluidics, drug delivery, and self-cleaning surfaces.

SourceChung Ang University·JournalAdvanced Functional Materials·TypeExperimental study·DateJun 21, 2022

New solution for stem cell manufacturing

Researchers have developed a unique 3D printed system to harvest mesenchymal stem cells from bioreactors, which can be used for various treatments. The system combines microfluidics and 3D printing to process adult stem cells, potentially making stem cell therapies more widely available.

SourceUniversity of Technology Sydney·JournalBioresources and Bioprocessing·TypeExperimental study·DateJun 15, 2022

New process revolutionizes microfluidic fabrication

Researchers at Kyoto University's Institute for Integrated Cell-Material Sciences developed a novel photolithography technique to create self-enclosed, porous channels in microfluidic devices. This process enables the creation of high-resolution channels capable of carrying aqueous solutions and separating small biomolecules.

SourceKyoto University·JournalNature Communications·DateMay 19, 2022

Researchers develop smartphone-powered microchip for at-home medical diagnostic testing

Researchers at the University of Minnesota have created a new microfluidic chip that can diagnose diseases wirelessly using a smartphone. The innovation makes at-home diagnosis faster and more affordable, with potential applications for detecting viruses, pathogens, bacteria, and other biomarkers in liquid samples.

SourceUniversity of Minnesota·JournalNature Communications·TypeExperimental study·DateMay 2, 2022

Mini-livers on a chip

Researchers at Gladstone Institutes create mini-livers on a chip to study the immune system's response to hepatitis C infection. The platform enables precise control over cellular interactions, allowing for detailed insights into how the liver interacts with the virus and T cells.

SourceGladstone Institutes·JournalOpen Biology·DateApr 6, 2022

CityU scientist invents novel droplet manipulation method “WRAP”

Researchers at City University of Hong Kong have developed a novel droplet manipulation method called WRAP, which can transport micro-sized droplets using electromagnets or programmable electromagnetic fields. The method overcomes challenges in traditional magnetic actuation, such as contamination from added magnetic particles.

SourceCity University of Hong Kong·JournalNature Communications·TypeExperimental study·DateFeb 11, 2022

Halting antibiotic resistance is a little less futile

Rice University researchers developed a microfluidic platform to analyze how infectious bacteria evolve resistance to antibiotics. The platform allows for controlled environments and fine-tuning of conditions, revealing previously unknown pathways to resistance.

SourceRice University·JournalACS Infectious Diseases·TypeExperimental study·DateJan 18, 2022

Development of rapid and simultaneous diagnosis of COVID-19/influenza diseases by manipulating microfluidic flow with a microfluidic chip

Researchers developed a microfluidic chip for rapid and simultaneous diagnosis of COVID-19 and influenza diseases, achieving results within 30 minutes. The device uses the LAMP method for genetic amplification and has potential applications in various fields beyond human infectious diseases.

SourceToyohashi University of Technology (TUT)·JournalLab on a Chip·TypeExperimental study·DateJan 4, 2022

Pioneering new technique to barcode cells

Scientists have developed a pioneering new technique to barcode individual cells more accurately and efficiently. The method combines artificial intelligence with microfluidics, allowing for real-time analysis of single cells and enabling the efficient sorting and counting of cells.

SourceUniversity of Exeter·JournalAdvanced Materials Technologies·DateDec 17, 2021

Cystic fibrosis faithfully modeled in a human Lung Airway Chip

Researchers at Harvard's Wyss Institute have developed a microfluidic Organ Chip device that accurately models cystic fibrosis lung airway pathology. The model replicates key pathological hallmarks, including mucus layer changes and inflammatory responses, providing a comprehensive preclinical human model for investigating new therapies.

SourceWyss Institute for Biologically Inspired Engineering at Harvard·JournalJournal of Cystic Fibrosis·TypeExperimental study·DateNov 19, 2021

Sperm switch swimming patterns to locate egg

A new study reveals how sperm change their swimming patterns to navigate to the egg, shifting from symmetrical to asymmetrical motion. This change in behavior, called hyperactivation, enables the sperm to sweep the area once in the egg's proximity.

SourceCornell University·JournalProceedings of the National Academy of Sciences·DateNov 1, 2021

Nature-inspired coatings could power tiny chemistry labs for medical testing and more

Researchers at University of Toronto develop polymer coating that enables low surface tension liquids to be transported over distances up to 15 times longer than currently possible. This technology has important implications for microfluidics, lab-on-a-chip devices and point-of-care diagnostics.

SourceUniversity of Toronto Faculty of Applied Science & Engineering·JournalAdvanced Functional Materials·DateOct 22, 2021

Studying thermophoresis in space

A multidisciplinary team of Lehigh University researchers will conduct experiments on thermophoresis in complex fluids for bioseparations at the International Space Station. The team hopes to understand how temperature gradients affect particles and improve virus separation techniques with potential societal impact.

SUTD researchers develop liquid metal antenna that can conform to soft biological tissues

SUTD researchers developed a liquid metal antenna that can conform to soft biological tissues, addressing the mechanical mismatch at the tissue-device interface. The antenna demonstrated high wireless powering efficiency and stability under extreme deformations, making it suitable for implantable devices in hard-to-reach lesions.

SourceSingapore University of Technology and Design·JournalAdvanced Materials·DateAug 20, 2021