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Nanosensors are chemical or mechanical sensors that can be used to detect the presence of chemical species and nanoparticles, or monitor physical parameters such as temperature, on the nanoscale. They also find use in medical diagnostic applications.
High-phase-purity and stable 1T′-transition metal dichalcogenide monolayers are grown on 4H-Au nanowires by a facile and rapid wet-chemical method, enabling ultrasensitive surface-enhanced Raman scattering detection.
Upon stress, plants activate a signaling cascade leading to resistance or stress adaptation. Here, Ang & Saju et al. use sensor multiplexing to elucidate the interplay between H2O2 and SA signaling as plants mount stress-specific defense responses.
Tracking electrical and mechanical activity in in-vitro cardiac microtissues is challenging. Here, authors develop tissue-like electronics that can ‘grow’ with the cardiac microtissues and realize the simultaneous tracking of both signals.
SERS is a powerful analytical technique, but achieving reproducibility for continuous analysis a challenge. Here, the authors report a SERS substrate recycling method that enables direct analysis of complex samples without substrate contamination.
The authors create a rippled-assisted optoelectronic array (18 × 18 pixels) for the all-day motion detection and recognition, possessing negative and positive optical detection as well as memory and computation capabilities.
Superconducting quantum interference devices can accurately measure temperatures even below 1 mK, but there’s more to them — as Thomas Schurig explains.
Nanopores are on the brink of fundamentally changing DNA sequencing. At the same time, DNA origami provides unprecedented freedom in molecular design. Here, I suggest why a combination of solid-state nanopores and DNA nanotechnology will lead to exciting new experiments.
