A p-type inorganic oxide semiconductor, tin monoxide (SnO), is developed by a solution process. SnO thin-film transistors (TFTs) in the p-channel enhancement mode are fabricated spin-coating precursor followed postannealing, showing highest field-effect mobility of 0.13 cm2 V−1 s−1, threshold voltage −1.9 V, and on/off drain current ratio 85.

Abstract Single‐crystal, 1D nanostructures are well known for their high mobility electronic transport properties. Oxide‐nanowire field‐effect transistors (FETs) offer both optical transparency and large mechanical conformability which essential flexible transparent display applications. Whereas the “on‐currents” achieved with nanowire channel already sufficient to drive active matrix organic light emitting diode (AMOLED) displays; it is shown here that incorporation of...

Highly transparent and conducting Al-doped ZnO (AZO) films are prepared via sol-gel method with a broad range of nominal Al-doping. The film porosity morphology is determined by the rate temperature ramping during drying gel phase. minimum resistivity observed to occur around 1.5–2 at. % films, irrespective microstructure. It found local chemical analysis that Al tends segregate at grain boundaries above critical concentration, segregated starts dominate electronic transport in...

Abstract Today’s electronic devices are fabricated using highly toxic materials and processes which limits their applications in environmental sensing mandates complex encapsulation methods biological medical applications. This paper proposes a fully resorbable high density bio-compatible environmentally friendly solution processable memristive crossbar arrays silk fibroin protein demonstrated bipolar resistive switching ratio of 10 4 possesses programmable device lifetime characteristics...

Abstract Nano‐sized manganese ferrite (MnFe 2 O 4 ) powder has been synthesized via coprecipitation method, using FeSO ·7H and MnSO ·H as starting materials. An aqueous solution of the materials, containing Fe 2+ Mn in ratio required ferrite, was poured into an NaOH alkaline solution. A greenish precipitate formed, which carefully washed dried for 6 h at 80 °C. The then heated different temperatures argon atmosphere rapidly cooled to room temperature, water quenching. XRD patterns samples...

In this paper, we propose a scalable approach toward all-printed high-performance metal oxide thin-film transistors (TFTs), using high-resolution electrohydrodynamic (EHD) printing process. Direct EHD micropatterning of TFTs is based on diverse precursor solutions to form semiconducting materials (In2O3, In-Ga-ZnO (IGZO)), conductive (Sn-doped In2O3 (ITO)), as well aluminum (Al2O3) gate dielectric at low temperatures. The fully printed TFT devices exhibit excellent electron transport...

Hair cells are specialised mechanosensitive responsible for mediating balance and hearing within the inner ear. In mammals, hair limited in number do not regenerate. Human pluripotent stem (hPSCs) provide a valuable source deriving human to study their development design therapies treat and/or prevent degeneration. this we used dynamic 3D Rotary Cell Culture System (RCCS) ear organoids from hPSCs. We show RCCS-derived recapitulate stages of give rise an enriched population displaying...

Neurons release neurotransmitters such as glutamate to communicate with each other and coordinate brain functioning. As increased is indicative of neuronal maturation activity, a system that can measure levels over time within the same tissue and/or culture highly advantageous for neurodevelopmental investigation. To address challenges, we develop first convenient method realize functionalized borosilicate glass capillaries nanostructured texture an electrochemical biosensor detect from...

The Gram-positive bacterium, Staphylococcus aureus (S. aureus), is a major pathogen responsible for variety of infectious diseases ranging from cellulitis to more serious conditions such as septic arthritis and septicaemia. Timely treatment with appropriate antibiotic therapy essential ensure clinical defervescence prevent further complications infective endocarditis or organ impairment due shock. To date, initial choice empirical, using "best guess" likely organism sensitivity- an approach...

Artificial neural networks (ANN), deep learning, and neuromorphic systems are exciting new processing architectures being used to implement a wide variety of intelligent adaptive systems. To date, these have been primarily realized using traditional complementary metal–oxide–semiconductor (CMOS) processes or otherwise conventional semiconductor fabrication processes. Thus, the high cost associated with design circuits has limited broader scientific community from applying ideas, arguably,...

Abstract Magnetic microparticles or “beads” are used in a variety of research applications from cell sorting through to optical force traction microscopy. The magnetic properties such particles can be tailored for specific with the uniformity individual beads critical their function. However, majority characterization techniques quantify large bead ensembles. Developing new imaging evaluate and visualize fields single will allow detailed insight into uniformity, anisotropy, alignment...

Electrochemically gated field-effect transistors are fabricated with single crystalline SnO2 nanowires as a transistor channel. Excellent performance and very low-voltage operation (≤2 V) have been demonstrated. Thermal stability of the FETs is systematically examined up to 180 °C; while unchanged characteristics obtained 70 short exposure at 110 °C also found permissible, making such devices compatible be integrated directly organic photovoltaics or various biomedical appliances.

Glioma is the most common primary brain tumor with its early detection remaining a challenge. Autoantibodies against glial fibrillary acidic protein (GFAP) have shown highest differential expression compared other glioma expressed autoantibodies. In this paper, an immunosensor to detect GFAP antibody levels developed using interdigital coplanar waveguide (ID-CPW). The ID-CPW fabricated on SiO <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...

In this study, we explore the use of electrically active graphene foam as a scaffold for culture human-derived neurons. Human embryonic stem cell (hESC)-derived cortical neurons fated either glutamatergic or GABAergic neuronal phenotypes were cultured on foam. We show that is biocompatible human neurons, capable supporting viability and differentiation hESC-derived Based findings, propose represents suitable engineering tissue warrants further investigation model understanding maturation,...

A new method for the fabrication of a label-free electrochemical immunosensor based on vertical nanowires (VNWs) is proposed. The VNWs are functionalized to detect antibodies against major astrocytic structural protein component, glial fibrillary acidic (GFAP). It revealed that interaction GFAP-antibody with leads clear change in device conductance and corresponding capacitance. As service our authors readers, this journal provides supporting information supplied by authors. Such materials...

Oxide semiconductors are considered to be one of the forefront candidates for new generation, high-performance electronics. However, major limitations oxide electronics is scarcity an equally good hole-conducting semiconductor, which can provide identical performance p-type metal semiconductor field-effect transistors as compared their electron conducting counterparts. In this quest, here we present a bulk synthesis method single crystalline cuprous (Cu2O) nanowires, chemical and...

The early detection of colorectal cancer is vital for disease management and patient survival. Fecal hemoglobin a widely-adopted method screening diagnosis. Immunochemical Test (FIT) favored over the older generation chemical based Occult Blood (FOBT) as it does not require dietary or drug restrictions, specific to human blood from lower digestive tract. To date, no quantitative FIT platforms are available use in point-of-care setting. Here, we report proof principle data novel low cost...

Part of an enhanced-mode electrolyte-gated nanowire channel metal oxide semiconductor field-effect transistor (MOSFET) is illustrated. As reported by Subho Dasgupta and co-workers on page 1750, the complete a part in-plane gate electrode are covered with printed droplet composite solid polymer electrolyte, working as dielectric. A positive bias attracts cations (Li+) towards resulting in accumulation charge carriers driving it to conducting (ON) state.

We propose the inkjet printing of new thin-film transistors (TFTs) based upon a sodium alginate (NaAlg) electrolyte-gate and In2O3 nanoparticle ink in which electrodes channels were formed by laser ablation. Laser ablation improved conductive channel resolution leading to smaller length through low-temperature processing steps. The NaAlg electrolyte thickness independent gate dielectric allow for an in-plane design resulting relaxed manufacturing tolerance requirements reduced steps/time....

Here we present the results of an investigation resonances azimuthal trimer arrangements rectangular slots in a gold film on glass substrate using cathodoluminescence (CL) as probe. The variation CL signal collected from specific locations sample function wavelength and spatial dependence emission into different bands provides considerable insight resonant modes, particularly sub-radiant these apertures. By comparing our experimental with electromagnetic simulations are able to identify...

Negative differential resistance (NDR), an electronic property present in resonant tunneling diodes, enables high performance terahertz frequency oscillators and multi-state logic memory devices. An important measure of NDR is the peak-to-valley current ratio (PVCR) this has been extremely lacking solid-state Here we show how a dimensional mismatch between quantum dot electrodes planar graphene Double Barrier Resonant Tunneling Diode (DB-RTD) greatly enhances PVCR device up to 10 <sup...

Power consumption and cost are critical considerations in internet-of-things applications. In this paper we demonstrate a fully printed transceiver with no local power sources that reradiates received to communicate the outside world. This research opens path for low cost, communication enabled, battery-less electronic devices operating voltages be on variety of substrates using process does not require excessive temperatures.