Japan

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04 Aug 2021
Sleeping safe and sound is one of human’s most fundamental needs to stay reenergized and maintain our bodily functions. How does hearing environmental sounds influence our sleeping quality? Assistant Professor Junta Tagusari from the Laboratory of Regional Environmental Issues, Graduate School of Engineering, is investigating the best method to measure noises and how they affect human health.
30 Jul 2021
Researchers from The University of Tokyo Institute of Industrial Science develop an experimentally supported mathematical model that defines the velocity jump mechanism in crack propagation
A suspension of lipid nanoparticles synthesized from the novel lipomer AA03-DL-10. Photo by Takuya Isono.
30 Jul 2021
Testing a large library of compounds reveals an easy-to-make lipid that can carry genetic code into the lung to treat disease.
The newly developed catalyst in powder form (left) and under a transmission electron microscope (right)
27 Jul 2021
Adding lead and calcium to an industrial catalyst dramatically improves its ability to support propylene production at very high temperatures, making it stable and active for a month.
Prior to the pandemic, a combination of occlusion (top left) and priming (middle left) led to a perception that individuals wearing face masks were less attractive. Due to the pandemic, the priming effect was eliminated (middle right) and only occlusion affected attractiveness perception; hence, faces with lower attractiveness were perceived as more attractive when wearing a face mask.
22 Jul 2021
The Covid-19 pandemic has improved perceptions of facial attractiveness and healthiness of people wearing face masks in Japan.
21 Jul 2021
Researchers at the RIKEN Center for Biosystems Dynamics Research (BDR) have succeeded in creating the first genetically engineered marsupial. This study, published in the scientific journal Current Biology, will contribute to deciphering the genetic background of unique characteristics observed only in marsupials.
21 Jul 2021
Kavli IPMU's Kai Martens and Masaki Yamashita are two of many researchers who have signed an MOU to work together to design, construct, and operate a new, single, multi-tonne scale xenon observatory to explore dark matter.
20 Jul 2021
Using electron microscopy and high-speed atomic force microscopy, researchers show the internal molecular motor behind the gliding mechanism for Mycoplasma mobile to consist of two ATP synthase-like molecules. Sharing a similar structure with ATP synthase suggests a common evolutionary ancestor. This synthase-like ATPase is challenging the origin of cells and proteins themselves.
19 Jul 2021
Researchers from The University of Tokyo Institute of Industrial Science report a machine learning-based model for predicting the bonding properties of materials
19 Jul 2021
A subset of fibroblasts located in small foci of tissue on the edges of extensive scarring produce a protein that protects against cell aging.
18 Jul 2021
Using a CeO2 catalyst, researchers develop an effective catalytic process for the direct synthesis of polycarbonate diols without the need for dehydrating agents. The high yield, high selective process has CO2 blown at atmospheric pressure to evaporate excess water by-product allowing for a catalytic process that can be used with any substrate with a boiling point higher than water.
The fluorescence polarization immunoassay developed to detect and quantify antibodies against SARS-CoV-2
15 Jul 2021
Scientists have developed a rapid, highly accurate test to detect antibodies against the spike protein of SARS-CoV-2 in human serum, opening a new avenue for understanding the full extent of the pandemic and evaluating the effectiveness of vaccines.
Fixed orthodontic appliances impact on oral microbiome
15 Jul 2021
A study showed braces that give our smiles a makeover could also transform oral microflora to a pre-gum disease state. Now scientists plan to use their findings to prevent this from happening.
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14 Jul 2021
Researchers have found a way to enhance radiation therapy using novel iodine nanoparticles.
13 Jul 2021
Researchers from Osaka City University show the benefits of mixing alginic acid with calcium phosphate cement (CPC), a common bone replacement material, with in vitro and in vivo studies. The biopolymer is shown to improve the setting time and compressive strength of CPC, as well as help it acquire porosity – which allows cells to enter the defected area and grow new bone.
Nishinoshima Island discolored seawater colorimetric data
09 Jul 2021
A new study monitored satellite images to obtain sea discoloration data as a novel indicator in detecting if an underwater volcano’s eruption is imminent.
08 Jul 2021
Our brain has no lymphatic system; however, it does have fluid flow, which is believed to play a role in removing waste from the brain. However, the fluid's point of origin and fluid flow is still unclear. The “multi-scale stable isotopes imaging” project in Hokkaido University aims to solve this mystery using advanced technology. “We would not have been able to perform this study without Hokkaido University’s MRI technology and the isotope microscope,” said the project’s PI, Professor Kohsuke Kudo of the Department of Radiology, Faculty of Medicine.
08 Jul 2021
Researchers at The University of Tokyo Institute of Industrial Science use artificial intelligence to predict the size of cells over time without the need for simplifying assumptions, which may lead to a new understanding of microbiology principles and improved drug manufacturing from recombinant bacteria
07 Jul 2021
We have developed a groundbreaking chemical reaction using an N-heterocyclic carbene catalyst that has a low environmental impact to cleave the bond between the benzene ring of an aryl halide and a halogen atom to generate an aryl radical. Since aryl radicals can thus be easily generated from aryl halides that are widely used in organic synthesis, this is expected to be a powerful technology for precisely synthesizing medical and agricultural drugs and chemical materials.
05 Jul 2021
Researchers analyze bone marrow-derived and peripheral blood-derived fibrin clots showing that the former contains more growth factors. They then show that bone marrow-derived fibrin clots can be used for meniscus suturing, even in the inner-most avascular regions, and with a 2-year post-operative follow-up, they show bone marrow-derived fibrin clots support healing better than their peripheral blood counterparts.
01 Jul 2021
Scientists show that an ocean-bottom seismometer deployed close to the calving front of a glacier in Greenland can detect continuous seismic radiation from a glacier sliding, reminiscent of a slow earthquake.
30 Jun 2021
Researchers from The University of Tokyo Institute of Industrial Science and Fudan University experimentally interrogate a phenomenon that bridges diverse fields of science and engineering
Research assistants administering the health-related quality of life survey to mothers from Kabwe. Photo by Hokuto Nakata.
30 Jun 2021
Japanese and Zambian scientists have shown that environmental lead poisoning in children affects not only their own health and wellbeing, but the vitality and mental health of their mothers, as well.
30 Jun 2021
Assistant Professor Mai Ishihara is the first female full-time researcher at Hokkaido University’s Center for Ainu and Indigenous Studies (CAIS) and is the first female faculty member who openly reveals her Ainu ancestry. As a quarter-Ainu, Ishihara talked about how she had been subdued by her own ignorance, and later by silence, of her Ainu ancestry. She transformed her struggle and her views on the pain faced by her Ainu (indigenous people of Hokkaido) ancestors into a book based on her long-term research.
alkaline phosphatase staining to track cell reprogramming
28 Jun 2021
A new non-invasive technique scans “chemical fingerprints” to see if ordinary cells’ reprogramming into stem cells is on track and verify transformation success by matching “print” patterns.
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24 Jun 2021
Using only pen and paper, Kavli IPMU PI Hitoshi Murayama has found theoretical proof of a decades-old claim that Quantum Chromo Dynamics leads to light-weight pions.
21 Jun 2021
By virtually reproducing physical reservoir computing, a new information processing technology, using numerical simulation, the present study reveals that vortices in fluid flow phenomena in the downstream region of a cylinder are the key to information processing capability. It is expected that this result concerning fluid flow vortices and information processing capability will be useful in enhancing the information processing capability of the physical reservoir using fluid flow.
18 Jun 2021
Researchers from The University of Tokyo Institute of Industrial Science develop a flood forecasting system that could help protect people and property during typhoons
3D printable optical setup images
17 Jun 2021
Researchers at Osaka Prefecture University have established an approach to identify the orientation of molecules and chemical bonds in crystalline organic-inorganic hybrid thin films deposited on substrates using Fourier transform infrared spectroscopy (FT-IR) and polarized infrared light with a 3D-printed attenuated total reflectance (ATR) unit. This inexpensive method with laboratory-grade equipment quickly reaches the crystal-structure model of even extremely thin films of less than 10 nm.
Broad transfer range of IncP1-type plasmid and its applications
17 Jun 2021
Researchers from Hiroshima University now have a better understanding of the mechanism underlying how certain bacteria can transfer genetic material across taxonomic kingdoms, including to fungi and protists. Their work, published in Frontiers in Microbiology, could have applications in changing how bacteria perform certain functions or react to changes in their environment.

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