Articles tagged with Flexible Sensor Arrays
Artificial synapses are built from soft, bio-friendly materials that operate like human brain synapses, merging data storage and computing into a single unit. Laboratory prototypes demonstrate immense capabilities, consuming energy on the scale of femtojoules.
Researchers have developed a highly sensitive electronic 'skin' using tiny devices that can measure force applied over an area. This technology has the potential to improve prosthetic limbs and robotic manipulation, allowing robots to accurately track hand movements and grasp delicate objects.
Seal whiskers are highly sensitive, but the benefit of active whisking was unclear until new research revealed that it improves sensing. Seals keep their whiskers pulled back and actively move them to detect subtle water vibrations.
Recent scientific review highlights Ga-LMs' natural fluidity, high electrical conductivity, and biocompatibility, making them suitable for wearable health monitoring systems, soft robots, and implantable medical devices. Advanced patterning techniques enable precise fabrication of Ga-LM-based circuits for high-performance HMIs.
A novel soft biosensor with printable responsive hydrogel interfaces was developed for precise detection and differentiation of blood circulation complications in postoperative free flaps. The biosensor achieved high adhesion and high-fidelity signal acquisition while exhibiting low adhesion after monitoring to avoid wound damage.
The new dynamic shielding layer allows the sensor to focus on specific areas when needed, achieving a 104.56% increase in detection depth. The sensor can also detect approaching objects from over 90mm away, providing a vital split-second for robots to avoid collisions.
Researchers have developed a flexible, hair-like device that tracks vital signs of a fetus in real-time during surgery. This innovation provides continuous monitoring without invasive access, enabling faster interventions to prevent complications.
This study compared pre-procedure lignocaine spray (PPL) and spray-as-you-go (SAYG) airway anesthesia in fiberoptic bronchoscopy. The results showed no significant differences in patient-reported pain, discomfort, coughing, or procedure duration between the two groups. However, operator comfort was slightly higher with the PPL protocol.
Researchers developed a flexible optical touch sensor that can pinpoint pressure strength and location with high sensitivity. The sensor uses multiple optical channels to detect pressure in more than one spot, enabling smart interfaces and devices.
A research group at Chuo University has developed a non-destructive in-line dynamic photo-monitoring system for pharmaceutical agent pills using carbon nanotube (CNT) photo-thermoelectric imagers. This system facilitates multi-wavelength photo-monitoring and identifies constituent materials and concealed foreign substances in a non-con...
Researchers developed novel biomisic fiber/sodium alginate aerogels for flexible pressure sensors, mimicking cat vibrissae and FSCs to achieve excellent sensitivity, durability, and rapid response. The sensors demonstrated promising applications in human physiological monitoring, motion analysis, and sports analytics.
Researchers at Shinshu University have developed a double-helical fiber sensor design that places both electrodes on one end, addressing the mechanical challenges of traditional wearable sensors. The new design enables durable, flexible sensors suitable for tracking finger gestures, facial expressions, and gait movements.
Researchers have developed an innovative strategy to create flexible transparent electrodes with exceptional performance using silver nanowires and a calcium alginate network. The approach improves adhesion, reduces surface roughness, and enhances electrical conductivity.
Researchers have developed sensitive ceramic sensors that can selectively respond to pressure or temperature, which are integrated into a prosthetic hand and a robotic skin. The goal is to enable safe collaboration between humans and machines, with applications in medicine and industry.
A full textile energy grid can be wirelessly charged, powering wearable sensors, digital circuits, and even temperature control elements. The system uses MXene ink printed on nonwoven cotton textiles, demonstrating its viability for integrated textile-based electronics.
Researchers at North Carolina State University have demonstrated a technique for creating strain sensors that can function both in air and underwater. The sensors, called 'amphibious,' enable applications such as wildlife monitoring and biomedical research.
Flexible optical fiber sensors utilize soft and elastic materials for stretchability, enabling sensitive tracking of strain in vivo and in vitro. The technology has vast potential in human monitoring, healthcare, biomedical applications, and soft robotics.
The Indian Institute of Science team developed a novel technique to fabricate structurally colored films with a liquid gallium metal and polydimethylsiloxane substrate. These films change color in response to mechanical deformation, showing potential applications in smart bandages, movement sensors, and reflective displays.
Researchers from Osaka University have developed a soft, flexible, and wireless optical sensor based on carbon nanotubes and organic transistors formed on ultra-thin polymer film. The sensor has high sensitivity over a wide range of wavelengths and can work even after being crumpled into a ball.
Researchers from HKUST developed a sensor array design inspired by the human auditory system to optimize application in fields like robotics, aviation, healthcare, and industrial machinery. The design addresses traditional challenges such as complex wiring, limited reconfigurability, and low damage resistance.
Researchers at Xi'an Jiaotong-Liverpool University have developed a sensitive and robust pH sensor that can detect pH variation in just a few microliters of samples. The new sensor uses novel materials and methods to overcome the current method's limitations, which are not sensitive enough or fragile for commercial-scale use.
Researchers at the University of British Columbia developed a stretchable, transparent display that can change color in real-time, opening doors for potential uses in wearable devices and disposable applications. The device's low power consumption and cost-effectiveness make it attractive for integration into everyday devices.
Fiber sensing scientists from Shenzhen University have developed an encrypted fiber optic tag that can be used for all-optical labeling and recognition of optical transmission channels. The team proposed a method using fiber Bragg grating arrays prepared by femtosecond laser direct writing to flexibly store different coding sequences.
Researchers have developed flexible photodetectors that can detect visible to long-wave infrared radiation, covering the full spectrum of greenhouse gases without complex optical components. The new detectors are simple and cost-effective to make, with production at room temperature.
Researchers at UC San Diego have created a wearable ultrasound system that can monitor deep tissue vital signs continuously, even in subjects on the go. The device uses machine learning to track movement and adjust its focus, providing real-time cardiovascular data.
A KAIST research team has developed a highly sensitive, wearable piezoelectric blood pressure sensor for continuous health monitoring. The sensor's accuracy meets international standards, with errors within ±5 mmHg and a standard deviation under 8 mmHg for both systolic and diastolic blood pressure.
Researchers at City University of Hong Kong developed a wireless, soft e-skin for interactive touch communication in the virtual world. The e-skin can detect and deliver the sense of touch, enabling one-to-multiuser interaction and overcoming the limitations of space and distance.
Scientists at Tokyo Medical and Dental University developed an enzyme-based biosensor in the form of an electrospun polymer mesh that can detect volatile organic compounds. The dry-form biosensor, which uses embedded enzymes, has been shown to be highly specific and sensitive to ethanol vapor.
The new sensor grids offer 100 times higher resolution than existing technology, allowing for more precise identification of seizure origins and preservation of healthy brain tissue. Longer term, the technology holds potential for permanent implantation to improve life quality for people with paralysis or neurodegenerative diseases.
Dartmouth has received a $3 million NSF grant to increase its PhD Innovation Programs by 50% and develop new multidisciplinary pathways for STEM graduate students focused on entrepreneurship and research translation. The funding will support 19 additional graduate students and enhance the development of sensor technology applications.