biosensors – TechConnect Briefs

Preventing Elderly Falling Through Machine Learning

Hardigan P., Nova Southeastern University, US

Using a machine-learning approach, we created, tested, and patented an algorithm that accurately predicts elderly falling. Additionally, using the algorithm our research in a community-based environment we demonstrated the ability to prevent injurious falls. Our [...]

A model for an Optical Ring Microresonator towards Nanoparticle Detection

Ahmeti F., Teker K., Istanbul Sehir University, TR

Optical resonators have shown great potential as fundamental building blocks, in a wide range of photonic devices and applications including filters, optical multiplexers, logic gates, switches and sensors. A microresonator is defined by a micron-scale [...]

Self-Assembled Polystyrene Nanospheres for Plasmonic Enhancement in Biosensor Applications

Smith K., Norville C., Windham M., Dawson J.M., West Virginia University, US

The field of portable, point-of care biosensing has expanded in recent years to encompass a wide range of application areas, with detection of targets accomplished by a variety of techniques. Application-specific needs of further reduced [...]

SU-8 Based Flexure-FET Biosensor to Achieve Ultrasensitive Response

Chaurasiya D., Srinivasan B., Vanjari S., Singh S.G., Indian Institute of Technology, IN

This work presents SU-8 based Flexure-FET biosensor to achieve ultrasensitive response. Here, gate of FET is replaced with the fixed-fixed beam. Beam is biased near to pull-in instability (Vpi) and FET channel is biased in [...]

Assessment by Ames Test and Comet Assay of Toxicity Potential of Polymers Used to Develop a Field Capable Biosensor

Hebert A., Torosian S., Gleason K., Food and Drug Adminstration, US

Current methods of detecting food-borne pathogens take days to show and confirm results. There is a need for devices that decrease detection time. A field-capable rapid-detection device is being developed and in this study it [...]

Assessment by Ames Test and Comet Assay of Toxicity Potential of Polymers Used to Develop a Field Capable Biosensor

Hebert A., Torosian S., Gleason K., Food and Drug Adminstration, US

Current methods of detecting food-borne pathogens take days to show and confirm results. There is a need for devices that decrease detection time. A field-capable rapid-detection device is being developed and in this study it [...]

In vitro biosensing based on magnetically induced motion of magnetic nanoparticles

Dangl A., Kokkinis G., Keplinger F., Giouroudi I., Vienna University of Technology, AT

A method for in-vitro detection of bioanalyte using conductive microstructures to accelerate magnetic nanoparticles (MAPs) in an integrated microfluidic system is presented. The fundamental idea behind the elaboration of such a biosensing system is that [...]

Gold Nanoparticle Chemiresistors as a Generic Platform for Sensing

Chow E., Raguse B., Wieczorek L., Cooper J.S., Hubble L.J., Webster M.S., Müller K.-H., CSIRO, AU

Thiol-functionalised gold nanoparticle chemiresistors can respond to low-molecular weight chemicals through changes in electrical resistance. This low-cost sensor technology is currently being developed for multiple applications including water quality, microbial metabolomics, environmental monitoring, and point-of-care [...]

New Electrochemical Sensors Based on Clay and Carbon Micro and Nanoparticles for Pharmaceutical and Environmental Analysis

Maghear A., Cernat A., Cristea C., Marian A., Marian I.O., Marian A., Marian I.O., Săndulescu R., Iuliu Hatieganu University of Medicine and Pharmacy, RO

New composite materials based on clay micro and nanoparticles, MWCNTs and polymeric films for the development of electrochemical sensors and biosensors have been realized. Particle size separation of two Romanian bentonites from Răzoare and Valea [...]

Multi-Parametric Surface Plasmon Resonance – A new technique to determine thickness and refractive index of thin and thick layers

Robinson M., Kuncova-Kallio J., Granqvist N., Sadowski J.W., BioNavis, LTD, US

Multi-Parametric(MP)-SPR empowers multidisciplinary research between life sciences and material sciences. Biochemists are moving from molecular-molecular interactions to molecule-material interactions, as seen in drug encapsulation or development of diagnostic kits. On the other hand, material science [...]