Shosei Imai

ORCID: 0000-0003-0388-4764
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About
Contact & Profiles
Research Areas
  • Advanced biosensing and bioanalysis techniques
  • Click Chemistry and Applications
  • Analytical Chemistry and Sensors
  • bioluminescence and chemiluminescence research
  • Molecular Sensors and Ion Detection
  • Advanced Biosensing Techniques and Applications
  • Biotin and Related Studies
  • Neuroscience and Neuropharmacology Research
  • Mass Spectrometry Techniques and Applications
  • RNA and protein synthesis mechanisms
  • Biopolymer Synthesis and Applications
  • Photoreceptor and optogenetics research

The University of Tokyo
2022-2024

Abstract Pyruvate is the end-product of glycolysis and a central metabolite involved in many biochemical pathways. However, lack high-performance (i.e., Δ F / 0 > 10) single fluorescent protein (FP)-based biosensors has hindered efforts to investigate physiological role pyruvate. Here, we present GreenPy1 ApplePy1 series, which are green FP (GFP)-based red (RFP)-based pyruvate biosensors, respectively. Both series exhibit large fluorescence intensity change (Δ ∼ 20 >40) range...

10.1101/2025.04.17.649293 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2025-04-17

We report the development of a chemigenetic fluorescent sodium ion indicator with an affinity optimized for imaging physiologically relevant concentrations in mammalian cells.

10.1039/d4cb00256c article EN cc-by RSC Chemical Biology 2024-12-03

Abstract Genetically encoded calcium (Ca 2+ ) indicators (GECIs) are widely used for imaging neuronal activity, yet current limitations of existing red fluorescent GECIs have constrained their applicability. The inherently dim fluorescence and low signal-to-noise ratio red-shifted posed significant challenges. More critically, several red-fluorescent exhibit photoswitching when exposed to blue light, thereby limiting applicability in all-optical experimental approaches. Here, we present the...

10.1101/2024.12.16.628673 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2024-12-17
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