Category Biology/Biotechnology

Advanced care: Smart Wound Dressings with Built-in Healing Sensors

A sample of glowing material, held by tweezers
The fluorescent nanosensors respond to changes in pH, making them ideal for use as sensors to track healing.

Fluorescent sensors glow brightly under UV light if infection starts to set in. Researchers have developed smart wound dressings with built-in nanosensors that glow to alert patients when a wound is not healing properly.

The multifunctional, antimicrobial dressings feature fluorescent sensors that glow brightly under UV light if infection starts to set in and can be used to monitor healing progress.

The smart dressings, developed by a team of scientists and engineers at RMIT University in Melbourne, Australia, harness the powerful antibacterial and antifungal properties of magnesium hydroxide.

They are cheaper to produce than silver-based dressings but equally as effect...

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Pushing through Nanopores: Genetic Sequencing with MXene

Pushing through nanopores: Genetic sequencing with MXene
MXene’s superior mechanical ability, and thermal and chemical stability, make it a strong option for solid-state, nanopore DNA sequencing. Credit: Mechanical and AI Lab, College of Engineering, Carnegie Mellon University

It took 13 years and one billion dollars to sequence the human genome, an enormous scientific undertaking that launched a new era of medicine. With today’s advances in sequencing technology, that same task would have only taken about a day at a fraction of the cost. Tomorrow’s tech could whittle that down to mere seconds.

Nanopore-based DNA sequencing is a third generation technology that has the potential to further transform health care by providing rapid diagnostics of illnesses and personalizing medicine. The more efficient the method, the better...

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Common Plant Fiber Gel Doubled Rate of Tumor Eradication

Many people don’t realize that the trillions of bacteria, viruses, and fungi residing within the gastrointestinal tract — collectively called the gut microbiome — are connected to overall health, and specifically to cancer.

Manipulating the gut microbiome to produce “beneficial” commensal microbes, which protect the host from pathogens and can boost immune responses, among other things, could potentially help patients respond better to cancer drugs called immune checkpoint inhibitors, a type of immunotherapy.

To that end, researchers at the University of Michigan have developed a new dietary fiber formulation that improves the potency of immunotherapies against cancer by modulating the gut microbiome...

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No Lab Required: New technology can Diagnose Infections in Minutes

Patients will be able to receive confirmed diagnosis at the doctor’s office. The idea of visiting the doctor’s office with symptoms of an illness and leaving with a scientifically confirmed diagnosis is much closer to reality because of new technology developed by researchers at McMaster University.

Engineering, biochemistry and medical researchers from across campus have combined their skills to create a handheld rapid test for bacterial infections that can produce accurate, reliable results in less than an hour, eliminating the need to send samples to a lab.

Their proof-of-concept research, published today in the journal Nature Chemistry, specifically describes the test’s effectiveness in diagnosing urinary tract infections from real clinical samples...

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