Search Results - "Nakanishi, Kohei"
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Development of an ultrahigh resolution real time alpha particle imaging system for observing the trajectories of alpha particles in a scintillator
Published in Scientific reports (26-04-2023)“…High-resolution imaging of alpha particles is required in the detection of alpha radionuclides in cells or small organs for the development of radio-compounds…”
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Membrane fusion and infection abilities of baculovirus virions are preserved during freezing and thawing in the presence of trehalose
Published in Bioscience, biotechnology, and biochemistry (02-04-2020)“…Budded viruses (BVs) of baculovirus such as Autographa californica nucleopolyhedrovirus (AcNPV) have recently been studied as biological nanomaterials, and…”
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Technical note: Short‐time sequential high‐energy gamma photon imaging using list‐mode data acquisition system for high‐dose‐rate brachytherapy
Published in Medical physics (Lancaster) (01-12-2022)“…Purpose Measurement of the dwell time and moving speed of a high‐activity iridium‐192 (Ir‐192) source used for high‐dose‐rate (HDR) brachytherapy is important…”
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Adhesion of Epoxy Resin with Hexagonal Boron Nitride and Graphite
Published in ACS omega (31-03-2019)“…Adhesion interaction of epoxy resin with the basal surfaces of h-BN and graphite is investigated with the first-principles density functional theory…”
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Apple latent spherical virus (ALSV)-induced gene silencing in a medicinal plant, Lithospermum erythrorhizon
Published in Scientific reports (11-08-2020)“…Lithospermum erythrorhizon is a medicinal plant that produces shikonin, a red lipophilic naphthoquinone derivative that accumulates exclusively in roots. The…”
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Optimization of the energy window setting in Ir-192 source imaging for high-dose-rate brachytherapy using a YAP(Ce) gamma camera
Published in Physica medica (01-11-2022)“…•Optimum parameters were determined on Ir-192 source used for HDR brachytherapy.•The spatial resolution was highest for the central energy of the window at…”
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The method used to culture host cells (Sf9 cells) can affect the qualities of baculovirus budding particles expressing recombinant proteins
Published in Bioscience, biotechnology, and biochemistry (03-03-2016)“…Budded virus (BV) particles of baculovirus (Autographa californica nucleopolyhedrovirus, AcNPV) are harvested from the supernatant of liquid culture of Sf9…”
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Effects of short term fasting on the expression of genes involved in lipid metabolism in chicks
Published in Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology (01-06-2013)“…The aim of this study was to analyze the expression patterns of key genes involved in lipid metabolism in response to short term fasting in chicks (Gallus…”
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Comparison of organ dose from chest radiography with varying beam quality and constant exposure index
Published in Australasian physical & engineering sciences in medicine (01-09-2023)“…The optimum X-ray tube voltage for chest radiographic examinations remains unclear; hence, the tube voltage varies between medical facilities. An exposure…”
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Synthetic studies on kohamaic acids: Synthesis of structurally simplified analogs of kohamaic acid A
Published in Bioscience, biotechnology, and biochemistry (01-11-2008)“…Kohamaic acid A is a potent DNA polymerase inhibitor isolated from the Okinawan marine sponge Ircinia sp. A series of structurally simplified analogs of…”
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Development of a single photon emission microscope system with ∼200 μm spatial resolution
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-10-2024)“…With a low-energy pinhole gamma camera, spatial resolution is primarily determined by the intrinsic spatial resolution of the imaging detector, the pinhole…”
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Peroxisomal 4-coumaroyl-CoA ligases participate in shikonin production in Lithospermum erythrorhizon
Published in Plant physiology (Bethesda) (31-07-2024)“…Abstract 4-Coumaroyl-CoA ligase (4CL) is a key enzyme in the phenylpropanoid pathway, which is involved in the biosynthesis of various specialized metabolites…”
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Development of a phoswich imaging detector to simultaneously acquire neutron and gamma photon images
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-08-2024)“…A neutron detector requires selectively detecting neutrons not detecting gamma photons. However, since gamma photons are commonly emitted from a neutron…”
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Mechanism of Budded Virus Envelope Fusion into a Planar Bilayer Lipid Membrane on a SiO2 Substrate
Published in Langmuir (10-05-2022)“…Artificial planar bilayer lipid membranes (BLMs) are simple models of cellular systems under physically and chemically controlled conditions, and they have…”
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A simple method to shorten the apparent dead time in the dosimetry of Lu-177 for targeted radionuclide therapy using a gamma camera
Published in Physica medica (01-03-2024)“…•A simple and novel method to shorten the apparent dead time was proposed for Lu-177.•Usefulness of the method was assessed by experiments and Monte Carlo…”
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Mechanism of Budded Virus Envelope Fusion into a Planar Bilayer Lipid Membrane on a SiO 2 Substrate
Published in Langmuir (10-05-2022)“…Artificial planar bilayer lipid membranes (BLMs) are simple models of cellular systems under physically and chemically controlled conditions, and they have…”
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17
Performance evaluation of YAlO3 scintillator plates with different Ce concentrations
Published in Applied radiation and isotopes (01-02-2021)“…Since Ce-doped YAlO3 (YAP(Ce)) scintillators have small non-proportionality, it is useful to develop a radiation imaging detector for low-energy gamma photons…”
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A comparative study of EM-CCD and CMOS cameras for particle ion trajectory imaging
Published in Applied radiation and isotopes (01-02-2024)“…High-resolution and real-time imaging of particle ion trajectories is essential in nuclear medicine and nuclear engineering. One potential method to achieve…”
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Development of an event-by-event based Li-ZnS(Ag) neutron imaging detector with selective neutron detection capability
Published in Applied radiation and isotopes (01-02-2024)“…High sensitivity and high resolution is desired in such technologies as neutron radiography. However, the contamination of gamma photons in neutron images…”
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A Monte Carlo study comparing dead-time losses of a gamma camera between tungsten functional paper and lead sheet for dosimetry in targeted radionuclide therapy with Lu-177
Published in Annals of nuclear medicine (01-10-2024)“…Dead-time loss is reported to be non-negligible for some patients with a high tumor burden in Lu-177 radionuclide therapy, even if the administered activity is…”
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