Tech Talk E14: Saving a Life of Kids and Animals Left in Cars, New Materials for Solar Panels, a New Type of Band-Aid

A simple, life-saving device. A solar panel that is “alive”. All that and more in today’s version of. . .

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Researchers at UCLA have created a material that moves toward the sun, orienting itself as a sunflower does to continually soak up the most light. This artificial material, made into stem-like cylinders can maneuver to capture around 90% of sunlight in the sky. The researchers have dubbed this material SunBOT.

Since the material can move into the best position to absorb the sun, shifting as the sun moves, this is an ideal material to look at for future solar panels. Currently, solar panels are able to capture about 25% of available sunlight from the sun. Moving this to 90% could be a game-changer in the energy industry.

Researchers at Montana Technical University have developed a portable electrospinning device to be used in the medical field. This device has an electric field and uses air to spray fibers out onto a surface. The device works like a can of spray paint with one small difference.

Instead of spraying out paint, it spits out bandages and drugs, placing them directly onto the skin. The device can be used to place bandages on open wounds and to provide controlled drug release over a period of time. Hopefully, it hurts less than peeling off a band-aid when removing it.

Looking to solve a worldwide problem, researchers at the University of Waterloo created a small sensor that could trigger an alarm when children or pets are left alone in a vehicle. The device combines radar technology and artificial intelligence to detect children or animals.

So far the device has had a 100% accuracy rating. This potentially life-saving device can be attached to a car’s rear-view mirror or mounted in the car. By sending out radar signals, the device detects who or what is in the car and sounds the alarm when necessary. Hopes are that the device will be brought to market by the end of 2020.

SunBOT is a material developed by UCLA researchers. It is made into stem-like cylinders and can move to orient itself toward the sun. This artificial material can capture around 90% of sunlight. It is being considered for future solar panels, potentially increasing efficiency from 25% to 90%.

Researchers at Montana Technical University developed a portable electrospinning device. It uses an electric field and air to spray fibers onto a surface. This device can dispense bandages and drugs directly onto the skin. It can be used for wound bandaging and controlled drug release.

Researchers at the University of Waterloo created a sensor combining radar technology and artificial intelligence. This device detects children or animals left alone in a vehicle. It sends out radar signals and has shown 100% accuracy. The device triggers an alarm when needed.

The device designed to detect children and pets in vehicles is hoped to be brought to market. Researchers at the University of Waterloo developed this sensor. The goal is for it to be available by the end of 2020. It aims to solve the problem of children or pets being left alone in cars.

New materials make good headlines and hard programs. For anything that contacts a patient, the material question is answered by three constraints before performance is considered: biocompatibility evidence under ISO 10993, compatibility with the chosen sterilization method, and whether the supplier will sell to a medical customer at all. Plenty of excellent engineering polymers fail the third test because the resin maker will not accept the liability.

Sterilization is the constraint that surprises teams most often. Gamma irradiation embrittles polypropylene and yellows some polycarbonate grades. Ethylene oxide requires the assembly to breathe and outgas. Steam autoclaving at 134 C rules out most commodity plastics outright. Choosing the method early narrows the material list to something manageable and prevents a redesign after the first sterilization validation.

Budget six to fourteen weeks and $15,000-$60,000 for biocompatibility testing on a limited-contact device, and considerably more when the contact duration exceeds 30 days.

New materials make headlines; getting one into a regulated device is a paperwork problem as much as a technical one.

Before a resin, adhesive or nonwoven can appear on a device master record, you need documented biocompatibility, a supplier who will notify you before changing anything, and evidence that the material survives your sterilization method.

Teams that pick a material on datasheet performance alone typically lose three to six months re-qualifying a second choice.

Ask for a named second source at the qualification stage, even if you never use it. Single-sourced polymers and adhesives are the most common cause of a stalled medical device line, and a substitution after validation costs far more than qualifying two suppliers at the start.

Announcements about sun-tracking polymers, portable electrospinning and radar-based cabin sensors all share one trait: the physics is proven and the product is not. The distance between a working laboratory demonstration and a device a customer can buy is measured in qualification, not in invention. That distance is where most hardware startups underestimate both time and budget by a factor of three.

The gating question for any patient-contacting or safety-critical device is not whether the novel material performs. It is whether you can source it at consistent quality, sterilize or condition it without degrading it, document its behaviour to a standard a regulator recognizes, and manufacture it repeatably at your volume. A material that fails any one of those four tests is a research result, not a bill-of-materials line.

That last item is the most valuable and the most frequently skipped. A design that only works with one exotic material is a single point of failure for the entire company. Building a conventional fallback into the architecture early costs very little and has rescued more than one program we have advised through consulting and discovery work.

How long does biocompatibility testing take? Six to fourteen weeks and roughly $15,000 to $60,000 for a limited-contact device, considerably more for implants or long-term contact. Book the lab slot before you finalize the material, because lead times often exceed the testing itself.

Can I use a material that has no medical grade? Sometimes, if contact is indirect and you can test the finished device. But without a supplier medical policy and lot traceability, you carry the entire regulatory risk yourself.

What about radar-based safety sensors in vehicles? The sensing works; the difficulty is false alerts and environmental validation across temperature, humidity and occupancy scenarios. Expect the validation program to be longer than the development program.

Should a startup chase a novel material at all? Only when it is the product's reason to exist. If the material is a nice-to-have, ship on a conventional one and revisit later — the pattern behind most successful programs in our portfolio.