Feb 04, 2023 (Nanowerk News) Researchers from Tokyo Metropolitan University have developed a new calibration algorithm for technology that turns common materials into touch sensors (ROBOMECH Journal, "One‑touch calibration of hum‑noise‑based touch sensor for unknown users utilizing models trained by different users"). HumTouch detects the current that runs from our...
This one-atom chemical reaction could transform drug discovery
Feb 03, 2023 (Nanowerk News) Pharmaceutical synthesis is often quite complex; simplifications are needed to speed up the initial phase of drug development and lower the cost of generic production. Now, in a study recently published in Science ("Single carbon atom transfer to α,β-unsaturated amides from N-heterocyclic carbenes"), researchers from...
Two/quasi-two-dimensional perovskite-based heterostructures: Construction, properties and applications
Feb 03, 2023 (Nanowerk News) Van der Waals heterostructures integrated from various two-dimensional (2D) layered materials provide fundamental building blocks for optoelectronic devices with novel functionalities, such as photovoltaic solar cells, light emitting diodes (LEDs) and photodetectors. Especially, two-dimensional and quasi-two-dimensional perovskites (abbreviated both of them as 2D perovskites hereafter)...
Researchers develop innovative tool for measuring electron dynamics in semiconductors
Feb 03, 2023 (Nanowerk News) At the heart of every mobile phone, laptop and autonomous vehicle is a tiny semiconductor whose properties and, ultimately, performance are determined by free electrons. Now, UC Berkeley researchers have developed a new way to measure these electrons that could lead to more energy-efficient semiconductor...
Scientists develop nanowire assay to detect brain tumors using urine
Feb 03, 2023 (Nanowerk News) Researchers at Nagoya University in Japan have used a new device to identify a key membrane protein in urine that indicates whether the patient has a brain tumor. Their protein could be used to detect brain cancer, avoiding the need for invasive tests, and increasing...
A novel ultrashort terahertz pulse generation scheme in diamond
Feb 03, 2023 (Nanowerk News) The advent of intense ultrashort coherent light pulses has revolutionized the spectroscopy field. On the one hand, they allow easy observation of various nonlinear optical effects and facilitate the characterization of materials with nonlinear optical spectroscopy. On the other hand, they provide means for strong...
A novel device enables high-resolution observation of liquid phase dynamic processes at nanoscale (w/video)
Feb 03, 2023 (Nanowerk News) In situ observation and recording of important liquid-phase electrochemical reactions in energy devices is crucial for the advancement of energy science. A research team led by a scholar from City University of Hong Kong (CityU) recently developed a novel, tiny device to hold liquid specimens...
A tabletop chiral attosecond laser
Feb 03, 2023 (Nanowerk News) When molecules form from many atoms, the atoms can combine in different ways. Two forms of the same molecule can have the same composition but have different arrangements of atoms, giving rise to isomers. Some isomers may have structures that are mirror images of each...
Robots and A.I. team up to discover highly selective catalysts
Feb 03, 2023 (Nanowerk News) Researchers used a chemical synthesis robot and computationally cost effective A.I. model to successfully predict and validate highly selective catalysts (Angewandte Chemie International Edition, "Predicting Highly Enantioselective Catalysts Using Tunable Fragment Descriptors"). Artificial intelligence (A.I.) has made headlines recently with the advent of ChatGPT's language...
A scalable pathway for the mechanical transfer of graphene grown by CVD
Feb 02, 2023 (Nanowerk News) Nowadays it is possible to grow high-quality graphene on large scale using chemical vapor deposition (CVD). What remains a major bottleneck for the industrialization of the material is the transfer of graphene from the growth substrate to a target one. A team of researchers from...