Engineering & Technology

News

Schematic illustration of the spin transport demonstration of αNPD molecular thin film
24 Jan 2023
A research group, at the Osaka Metropolitan University Graduate School of Engineering, has succeeded in measuring spin transport in a thin film of αNPD molecules—a material well-known in organic light emitting diodes—at room temperature. They found that this thin molecular film has a spin diffusion length of approximately 62 nm, a length that could have practical applications in developing spintronics technology. In addition, while electricity has been used to control spin transport in the past, the thin molecular film used in this study is photoconductive, allowing spin transport control using visible light.
Asia Research News: Editor's choice
20 Jan 2023
Overeating mechanism: why "eating just one chip"🍟 is impossible, Measuring hidden energy of gamma-ray bursts, Marine species that can adapt to ocean acidification & A rough start can lead to a strong bond, Read all in our first Editor's Choice of 2023. Plus our interview on what dengue vaccine approval in EU💉means for global dengue protection.
19 Jan 2023
Imagine if your t-shirt could take your sweat and analyze it for health abnormalities. Well, this is much closer to reality after a recent breakthrough by a research group led by a Tohoku University assistant professor. The group created the first microelectronic fiber with microscopic parameters that is capable of analyzing electrolytes and metabolites in sweat.
leaf
09 Jan 2023
Scientists from five Asian universities, namely Vellore Institute of Technology (VIT), Universiti Putra Malaysia (UPM), Charles Darwin University, National Defence University of Malaysia, and Newcastle University in Singapore have completed and published a comprehensive survey of the complex nature of natural fibre reinforcing composite materials.
X-ray fluorescence spectra analyzed using Bayesian estimation
06 Jan 2023
A research group at Osaka Metropolitan University has succeeded in significantly reducing the measurement time of a glass standard sample by applying Bayesian estimation to X-ray fluorescence analysis. The ability to perform rapid non-contact elemental analysis in a nondestructive manner could lead to the widespread use of this technique in many fields, including the analysis of moving industrial products and waste materials while being carried on conveyor belts.
05 Jan 2023
Researchers at The University of Tokyo simulate the phase separation of self-spinning particles, and show that the process differs from other unmixing processes, which may shed light on the organization of bacteria and other organisms
29 Dec 2022
- A joint research team led by DGIST Professor Kang Hong-gi and KIST Dr. Chung Seung-jun develops high-speed powerless photothermal effect temperature sensor technology using a transparent polymer thermoelectric material printing process - Opens up the possibility of direct high-resolution measurement of nano-photothermal phenomenon without interference of light, proposed for brain stimulation, cancer treatment, and ultra-fast PCR, etc.... Published online in ‘Materials Horizons’ in October
22 Dec 2022
Wearing face masks has been recognised as one of the most effective ways to prevent the spread of COVID-19, even in its coming endemic phase. Apart from the conventional function of masks, the potential for smart masks to monitor human physiological signals is being increasingly explored. A research team led by the City University of Hong Kong (CityU) recently invented a smart mask, integrating an ultrathin nanocomposite sponge structure-based soundwave sensor, which is capable of detecting respiratory sounds of breathing, coughing and speaking.
15 Dec 2022
In baseball, even the smallest detail can tip the scales in favor of the batter or the pitcher. A recent publication has highlighted how rosin powder helps maintain a more constant friction when pitching, something that could bring about a fairer playing field in Major League Baseball.
Micrometre-scale multicompartmental structures of aquabots
15 Dec 2022
A research team led by the University of Hong Kong (HKU) and Lawrence Berkeley National Laboratory has invented an all-water robotic system that resolves the constraints of bio-inspired robots through revolutionary scientific advances.
15 Dec 2022
Understanding how bats tolerate viral infections, Material separates water from...water, The virtual sense of touch polished to next level and COVID-19 negatively impacted early-careers and female researchers. Read all in the December's Editor's Choice.
14 Dec 2022
- DGIST Joint Team of Professors Kim Hoe-joon and Hong Seon-ki developed high-efficiency piezoelectric energy harvesting technology using materials harmless to humans - Attachable to body, generates energy and diagnoses exercise posture... Published in the November issue of ‘Nano Energy’
13 Dec 2022
Researchers at The University of Tokyo develop a simple but effective method of bonding polymers with galvanized steel, a material ubiquitous in the automobile industry, to cheaply and easily create a lightweight and durable product.
Tin
09 Dec 2022
Scientists from Universiti Teknologi Malaysia have reported a novel way to produce reinforced concrete materials using tin slag aggregates, which is a by-product of the smelting process. This way of producing concrete enables tin slag to become a useful material, as well as reducing the amount of natural resources used, which in turn contribute to reducing carbon footprint in the construction industry.
09 Dec 2022
A new coating for tiny packages called liposomes could allow them to carry vaccines and drugs into and around the body more safely.
07 Dec 2022
Magnetic nozzle plasma thrusters are thought of as the future of space travel. But one problem has hampered their development – plasma detachment. A recent study has shown that spontaneously excited plasma waves help magnetic nozzles overcome the plasma detachment problem, a rare instance of plasma instabilities having a positive effect on engineering.
02 Dec 2022
What if you could tell if your surroundings contained COVID-19 particles or droplets the moment they or you entered the vicinity? This is now closer to reality. A research group has engineered a battery-less, self-powering device that can wirelessly transmit the detection of coronavirus in the air.
02 Dec 2022
Tin sulfide (SnS) solar cells have shown immense promise in the rush to develop more environmentally friendly thin-film solar cells. Yet for years SnS solar cells have struggled to achieve a high conversion efficiency. To overcome this, a SnS interface exhibiting large band bending was necessary, something a research group has recently achieved.
01 Dec 2022
Machine learning and robotic process automation combine to speed up and simplify a process used to determine crystal structures.
01 Dec 2022
Precise control of quantum systems, such as quantum computers, is of great importance for modern quantum science. One way this has been done is via spin echoes. A research group has discovered a new type of echo, labelling them “energy-band echoes.”
Clay nanoparticle polymer composite materials
30 Nov 2022
Scientists from 4 Asian universities, namely Sri Ramakrishna Engineering College, Universiti Teknologi Malaysia, Saveetha Institute of Medical and Technical Sciences, and Newcastle University in Singapore have reported a novel way to produce lightweight reinforced resin composite materials using clay particles with the potential to lower carbon emission, compared to conventional carbon particles.
28 Nov 2022
Most metal and alloys possess a high elastic strain rate at the micro level. But this changes when they are in their bulk shape, as they are for everyday engineering applications. Now, a research group has developed a bulk copper-based alloy boasting the largest tensile elastic strain at room temperature to date.
25 Nov 2022
A research team at Osaka Metropolitan University has developed a microelectromechanical system (MEMS) piezoelectric vibration energy harvester, which is only about 2 cm in diameter with a U-shaped metal vibration amplification component. The device allows for an increase of approximately 90 times in the power generation performance from impulsive vibration. Since the power generation performance can be improved without increasing the device size, the technology is expected to generate power to drive small wearable devices from non-steady vibrations, such as walking motion.
Newly developed detection method for illegal mercury trade
21 Nov 2022
Study can help to assess effectiveness of Minamata Convention on Mercury
18 Nov 2022
Researchers led by the Institute of Industrial Science, The University of Tokyo develop a novel method for measuring seafloor movement
17 Nov 2022
Osaka University researchers simplified the process of producing soft microrobots powered by biomolecular motor muscles by 3D-printing the constituent modules, including actuators and grabbers, in situ. This work may lead to significant advances in scalable production and microsurgery.
16 Nov 2022
- Preclinical trial results show real-time physiological response to neural stimulation via stimulus parameter modulation. Their paper is published in a high-ranking journal in materials and energy, Nano Energy.
16 Nov 2022
- A technique to decrease the body electric potential using a triboelectric nanogenerator is discovered and developed into a static prevention technology - This work is published in “Nano Energy” as a study on technology that is easier to apply and more effective than existing static removal methods
11 Nov 2022
Space missions already use electric propulsion devices, where electromagnetic fields are utilized to generate the thrust of spacecraft. One such electrodeless device, which harnesses radio frequency (rf) to generate plasma and a magnetic nozzle (MN) to channel and accelerate plasma, has shown immense promise in pushing the boundaries of space travel. But scientists have so far failed to achieve efficient conversion of the rf power to thrust energy. Now, a Tohoku University researcher has achieved a 30% conversion efficiency, the biggest rate to date.
10 Nov 2022
Researchers from Osaka University have improved the electrical interconnects that are essential features of advanced printed circuit boards. By eliminating the accumulation of hydrogen nanobubbles at the copper–copper interface, the connection is more regular compared with that from the traditional interconnect fabrication method. This work will improve the reliability of high-density circuitry that's foundational to the long life of modern electronics.

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