The rapid evolution of wearable technologies is giving rise to a strong push for textile chemical sensors design targeting the real-time collection vital parameters improved healthcare. Among most promising applications, monitoring nonhealing wounds scarcely explored medical field that still lacks quantitative tools management healing process. In this work, smart bandage developed wound pH, which has been reported correlate with stages, thus potentially direct access status without...

Hard-to-heal wounds (i.e., severe and/or chronic) are typically associated with particular pathologies or afflictions such as diabetes, immunodeficiencies, compression traumas in bedridden people, skin grafts, third-degree burns. In this situation, it is critical to constantly monitor the healing stages and overall wound conditions allow for better-targeted therapies faster patient recovery. At moment, operation performed by removing bandages visually inspecting wound, putting at risk of...

Photostability of organic photovoltaic devices represents a key requirement for the commercialization this technology. In field, ZnO is one most attractive materials employed as an electron transport layer, and investigation its photostability particular interest. Indeed, oxygen known to chemisorb on can be released upon UV illumination. Therefore, deep analysis UV/oxygen effects working relevant industrial production where coating processes take place in air oxygen/ZnO contact cannot...

Organic electrochemical transistors (OECTs) are bioelectronic devices able to bridge electronic and biological domains with especially high amplification configurational versatility thus stand out as promising platforms for healthcare applications portable sensing technologies. Here, we have optimized the synthesis of two pH-sensitive composites PEDOT (poly(3,4-ethylenedioxythiophene)) doped pH dyes (BTB MO, i.e., Bromothymol Blue Methyl Orange, respectively), showing their ability...

Abstract In the new era of Internet Things, there is a great demand for development novel chemical wearable sensors, in particular, personalized medical diagnostics with point‐of‐care devices. This paper provides an overview on recent developments this field, focusing fully textile i.e., sensors directly incorporated into garment/fabric/fiber. The results are summarized by grouping them three broad categories according to their working principle: (i) electrochemical sensors; (ii)...

Abstract The development of wearable sensors, in particular fully-textile ones, is one the most interesting open challenges bioelectronics. Several and significant steps forward have been taken last decade order to achieve a compact, lightweight, cost-effective, easy wear platform for healthcare sport activities real-time monitoring. We developed fully textile, multi-thread biosensing that can detect different bioanalytes simultaneously without interference, and, as an example, we propose it...

Abstract Monitoring of bioelectric signals in peripheral sympathetic nerves small animal models is crucial to gain understanding how the autonomic nervous system controls specific body functions related disease states. Advances minimally-invasive electrodes for such recordings chronic conditions rely on electrode materials that show low-impedance ionic/electronic interfaces and elastic mechanical properties compliant with soft fragile nerve strands. Here we report a highly stretchable...

Biosensors based on Organic Electrochemical Transistors (OECTs) are developed for the selective detection of glucose and lactate. The transistor architecture provides signal amplification (gain) with respect to simple amperometric response. biosensors a poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) channel gate electrode is functionalised oxidase (GOx) or lactate (LOx) enzymes, which immobilised within Ni/Al Layered Double Hydroxide (LDH) through one-step...

The next future strategies for improved occupational safety and health management could largely benefit from wearable Internet of Things technologies, enabling the real-time monitoring health-related environmental information to wearer, emergency responders, inspectors. aim this study is development a gas sensor detection NH3 at room temperature based on organic semiconductor poly(3,4-ethylenedioxythiophene) (PEDOT), electrochemically deposited iridium oxide particles, hydrogel film....

Two conjugated donor–acceptor copolymers based on a benzodithiophene donor unit and fluorinated quinoxaline acceptor unit, spaced with either thiophene or thieno[3,2-b]thiophene π-bridges, were designed synthesized. The effect of different π-bridges the processing conditions optical, electrical, morphological photovoltaic properties polymer:fullerene blend films investigated. polymer containing π-bridge (PBDTFQ-TT) showed red-shifted absorption an enhanced charge carrier mobility, as...

Effect of the alkyl side chain(s) on optical, electronic, morphological and photovoltaic properties.

Abstract Current technologies to monitor formation and disruption in vitro cell cultures are based either on optical techniques or electrical impedance/resistance measurement, which often rely cumbersome time‐consuming measurements data analyses. In this paper, poly(3,4‐ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS)‐based organic electrochemical transistors (OECTs) proposed with channel areas specifically designed dimensioned as fast real‐time monitoring devices for a large...

In recent years, wearable technologies have attracted great attention in physical and chemical sensing applications. Wearable pressure sensors with high sensitivity low range (<10 kPa) allow touch detection for human-computer interaction the development of artificial hands handling objects. Conversely, that perform a (up to 100 kPa), can be used monitor foot distribution, hand stress during movements heavy weights or evaluate cyclist’s pattern on bicycle saddle. Recently, we developed...

Abstract Nanomaterials are being widely used in medical applications and consumer products such as cosmetics, fabrics, food packaging, although their impact on health the environment is yet to be understood. Strategies enabling reliable reproducible safety assessment of nanomaterials needed because predicting toxic effects challenging there no simple correlation between properties interaction with living systems. Here, real‐time monitoring induced by nanoparticles cells using organic...

Abstract Wireless and battery‐free sensor operation is essential for sustainable networks environmental health monitoring. Achieving such a fully passive design in electrochemical sensors challenging due to the need amplification control electronics as realized potentiostats. To address this issue, organic transistors (OECTs) are introduced amplified demonstrate an OECT‐based oxygen that exploits reduction of oxygen, akin Clark electrode. build sensor, transistor thin film fabrication...

Two medium gap semiconducting polymers, P(1)-Q-BDT-4TR and P(2)-FQ-BDT-4TR, based on alternate units of alkyl-dithiophene substituted benzodithiophene (BDT) quinoxaline (without or with fluorine substitution), are synthesized fully characterized. The polymers exhibit optical electrical properties favorable for being employed as donors in BHJ OPV devices, such as: absorption spectra extending up to around 720 nm a high solar spectrum coverage, deep lying HOMO energy levels device open circuit...

A bio-derived silk-fibroin film doped with a luminescent dye and its application as down-shifting layer in organic solar cells.

A robust and efficient interconnection layer (ICL) based on low conductive poly(3,4‐ethylenedioxythiophene)‐poly(styrenesulfonate) (PEDOT:PSS) ZnO nanoparticles is implemented in a solution‐air‐processed, blade coated inverted polymer tandem solar cell. The commercial PEDOT:PSS (Heraeus Clevios P VP Al 4083) modified with fluorosurfactant to allow its deposition onto any hydrophobic active surface. However, this method alters the electrical energetic properties of thus affecting interface...

One of the main problems hard-to-heal wounds regards monitoring their healing progress. Currently, clinicians monitor wound’s status by removing dressing, disturbing process. A relevant parameter that they need to is wound moisture. Indeed, a low amount exudate can desiccate wound, while high level moisture will lead maceration. Thus, optimize process, it particularly important maintain an optimum moisture, limiting unnecessary dressing changes. An innovative solution address this issue...