Physics Biophysics

News

A low-power laser can cause bubbles to form and convection to move nanoparticles so that they gather at an assembly site on an antibody-coated substrate, accelerating their detection.
18 Sep 2024
Light-induced immunoassay coated with novel coronavirus spike proteins found highly sensitive even with weak light like a laser pointer
15 May 2023
Researchers at Kanazawa University report in Nano Letters how high-speed atomic force microscopy leads to insights into processes relevant to Alzheimer’s disease. Moreover, the technique is shown to be an excellent tool for studying the effect of drugs against the disease.
12 May 2023
Specially coated surfaces help scientists investigate what happens when cell clusters are turned upside down.
Artificial metalloenzyme created with improved stereoselectivity
28 Mar 2023
A research group at Osaka Metropolitan University has succeeded in simply creating an artificial metalloenzyme with the common metal-binding motif 2-his-1-carboxylate, which is found in natural non-heme metalloenzymes. They created a library of 12 different proteins and screened the library and found that the H52A/H58E variant had the best stereoselectivity. It is expected that this research can be expanded to produce a variety of biocatalysts that work under mild conditions.
20 Apr 2022
Tile patterns in which the same shape is laid out without gaps are found in the compound eyes of insects. Hexagonal tile patterns are common while shrimp eyes have a square pattern. We investigated tile pattern formation using Drosophila and revealed that the compound eye tile pattern is controlled by a geometrical division mechanism, Voronoi tessellation, in addition to physical constraints determined by the combination of the regular distribution and growth of the individual eyes.
02 Nov 2021
Researchers from The University of Tokyo Institute of Industrial Science use optical microscopy to form a picture of what’s really going on inside surfactant onions
02 Sep 2021
Researchers at Kanazawa University report in Proceedings of the National Academy of Sciences how a protein molecular motor can chop off a piece of cell membrane. The constrict-and-cut mechanism resembles that of a ratchet motor, and is of importance in processes mediating the entry of particles into cells.
14 May 2021
Researchers have observed DNA spooling and unspooling in real time using CRISPR to attach fluorescent tags to very specific DNA points in living cells.
10 Feb 2021
Researchers at The University of Tokyo discover a new law about how the complex network of phase-separated structures grows with time, which may lead to more efficient batteries and industrial catalysts
28 Dec 2020
Kanazawa University’s pioneering high-speed atomic force microscope technology has now shed light on the structure and dynamics of some of life’s most ubiquitous and inscrutable molecules – intrinsically disordered proteins. The study is reported in Nature Nanotechnology.
22 Jan 2020
Researchers at Tohoku University have developed a new type of smart contact lenses that can prevent dry eyes. The self-moisturising system, which is described in the journal Advanced Materials Technologies, maintains a layer of fluid between the contact lens and the eye using a novel mechanism.

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Researchers

Akira Kakugo
Dr. Akira Kakugo is an Associate Professor at Hokkaido University. He has researched biomolecular motors and swarming of active matters.

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