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Ultrasensitive Vapor Detection System

  • Magazine Article
  • TBMG-35976
Published 2020-02-01 by Tech Briefs Media Group in United States

An ultrasensitive technology detects explosive vapors, deadly chemicals, and illicit drugs and works in seconds. The ion chemistry technique initially identified RDX — a common explosive compound — at 10 parts per quadrillion (ppq). The original technology also identified explosive compounds such as C-4, PETN, Semtex, nitroglycerin, and tetryl. The system was enhanced to detect many more explosive vapors, including TNT, as well as vapors emanating from toxic chemicals similar in structure to nerve agents. The latest enhancement is the ability to detect vapors from illicit drugs such as fentanyl, methamphetamine, and cocaine.

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3D Printing Technique Produces “Living” 4D Materials

  • Magazine Article
  • TBMG-35958
Published 2020-02-01 by Tech Briefs Media Group in United States

Repairing and reusing plastics and delivering cancer drugs more effectively are two of the many potential applications a new 3D/4D printing technology might have. The technology merges 3D/4D printing and photo-controlled/living polymerization — a chemical process to create polymers. 4D printing is a subset of 3D printing where the printed object can transform its shape in response to certain conditions. The new method uses visible light to create an environmentally friendly “living” plastic or polymer. Polymers can be synthetic, such as plastic, as well as biological; for example, DNA.

Wirelessly Controlled Ingestible Capsule

  • Magazine Article
  • TBMG-35789
Published 2020-01-01 by Tech Briefs Media Group in United States

Researchers have developed an ingestible capsule that can be controlled using Bluetooth wireless technology. The capsule — which can be customized to deliver drugs, sense environmental conditions, or both — can reside in the stomach for at least a month, transmitting information and responding to instructions from a user's smartphone.

Injectable, Flexible Electrode Could Replace Rigid Nerve-Stimulating Implants

  • Magazine Article
  • TBMG-35770
Published 2020-01-01 by Tech Briefs Media Group in United States

By electrically stimulating nerves, neuromodulation therapies can reduce epileptic seizures, soothe chronic pain, and treat depression and a host of other health conditions without the use of conventional drugs like opioids.

Scientists Replace Metal Collimators with Plastic Analogs

  • Magazine Article
  • TBMG-35774
Published 2020-01-01 by Tech Briefs Media Group in United States

Scientists have developed plastic collimators that can replace their metal analogs used in radiation therapy. The team focused on the exact characteristics of the desired product, its development, and testing. The study will be beneficial for both medicine and everyone who is interested in the effect of radiation on plastic products.

Bioelectronic Implant Could Prevent Opioid Deaths

  • Magazine Article
  • TBMG-35630
Published 2019-12-01 by Tech Briefs Media Group in United States

Researchers are developing a novel, implantable device that can sense the effects of a potentially fatal level of ingested opioids and then automatically and immediately deliver a life-saving dose of naloxone.

Products of Tomorrow: December 2019

  • Magazine Article
  • TBMG-35707
Published 2019-12-01 by Tech Briefs Media Group in United States

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that innovation.

Microneedle Biosensors Accurately Detect Patient Antibiotic Levels in Real Time

  • Magazine Article
  • TBMG-35621
Published 2019-12-01 by Tech Briefs Media Group in United States

Small, non-invasive patches worn on the skin can accurately detect the levels of medication in a patient’s system, matching the accuracy of current clinical methods. In a small-scale clinical evaluation, researchers at Imperial College London have shown for the first time how microneedle biosensors can be used to monitor the changing concentration of antibiotics.

Novel Applications of Electrospinning Could Improve Devices

  • Magazine Article
  • TBMG-35636
Published 2019-12-01 by Tech Briefs Media Group in United States

When you visit Andrew Steckl’s lab at the University of Cincinnati, you see a nondescript glass box that weaves together different fibers. He sees endless possibility.

Innovations in Orthopedic Elastomers Enhance Durability and Appearance

  • Magazine Article
  • TBMG-35625
Published 2019-12-01 by Tech Briefs Media Group in United States

The history of silicone rubber is synonymous with advancements in medical materials. Silicones, a family of biocompatible elastomers, provide an attractive balance of properties. For example, silicones offer thermal stability over a wide temperature range. They also provide electrical insulation and are resistant to ozone, water, ultraviolet (UV) light, and some chemicals. For medical applications, silicone rubber can also meet requirements from the U.S. Food and Drug Administration (FDA) and the U.S. Pharmacopeia (USP).