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Article
Simulation study on penetration depth of light in the source–detector distance using a nine-layered skin tissue model in the visible wavelength range
We simulated the relationship between the diffuse reflectance and penetration depth of light in skin with respect to the source (S)–detector (D) distance using the nine-layered skin tissue model for three wave...
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Article
Subclassification of pT3 upper tract urothelial carcinoma: a multicenter retrospective study
The prognosis of patients with pT3 upper tract urothelial carcinoma (UTUC) varies. The current study aimed to further classify patients with pT3 UTUC into different survival outcome groups based on tumor locat...
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Chapter and Conference Paper
Relationship Between Left-Right Dominancy of Prefrontal Cortex Activity and Heart Rate During Rest and Task Periods: An fNIRS Study
BackgroundFunctional near-infrared spectroscopy (fNIRS) studies demonstrated that regulation of stress response of the autonomic nervous system is mediated by the left-right asymmetry of prefrontal cortex (PFC) a...
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Article
Light propagation model of titanium dioxide suspensions in water using the radiative transfer equation
Constructions of numerical schemes for solving the radiative transfer equation (RTE) are crucial to evaluate light propagation inside photocatalytic systems. We develop accurate and efficient schemes of the th...
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Article
Skeletal-related events and prognosis in urothelial cancer patients with bone metastasis
The aim of the present study was to elucidate the details of bone metastasis (BM) and the resulting skeletal-related events (SREs), and survival and prognostic factors, in urothelial cancer (UC) patients with BM.
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Article
Renormalization of the highly forward-peaked phase function using the double exponential formula for radiative transfer
Numerical calculation of photon migration in biological tissue using the radiative transfer equation (RTE) has attracted great interests in biomedical optics and imaging. Because biological tissue is a highly ...
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Article
Erratum to: Invasive urothelial carcinoma with chordoid features may be an ominous sign predicting sarcomatoid change: a case report of a bladder carcinoma
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Article
Invasive urothelial carcinoma with chordoid features may be an ominous sign predicting sarcomatoid change: a case report of a bladder carcinoma
Invasive urothelial carcinoma with chordoid features has not been reported since being first documented in 2009. Here we report a further case of it, involving an 85-year-old man with a papillary tumor of the ...
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Article
Diffuse optical tomography: Present status and its future
Diffuse optical tomography (DOT) is one of the emerging modalities for the non-invasive imaging of thick biological tissues using near-infrared (NIR) light. This article reviews the fundamentals and developmen...
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Chapter and Conference Paper
Automated Image Analysis for Diameters and Branching Points of Cerebral Penetrating Arteries and Veins Captured with Two-Photon Microscopy
The present study was aimed to characterize 3-dimensional (3D) morphology of the cortical microvasculature (e.g., penetrating artery and emerging vein), using two-photon microscopy and automated analysis for t...
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Chapter and Conference Paper
Vessel Specific Imaging of Glucose Transfer with Fluorescent Glucose Analogue in Anesthetized Mouse Cortex
The present study examined glucose transfer in the cellular scale of mouse brain microvasculature in vivo using two-photon microscopy and fluorescent glucose analogue (2-NBDG). The 2-NBDG was intravenously inject...
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Chapter and Conference Paper
3D Analysis of Intracortical Microvasculature During Chronic Hypoxia in Mouse Brains
The purpose of this study is to determine when and where the brain microvasculature changes its network in response to chronic hypoxia. To identify the hypoxia-induced structural adaptation, we longitudinally ...
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Article
Effects of spatial variation of skull and cerebrospinal fluid layers on optical map** of brain activities
In order to investigate the effects of anatomical variation in human heads on the optical map** of brain activity, we perform simulations of optical map** by solving the photon diffusion equation for layer...
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Article
Light propagation for time-domain fluorescence diffuse optical tomography by convolution using lifetime function
Time-domain light propagation in biological tissue is studied by solving the forward problem for fluorescence diffuse optical tomography using a convolution of the zero-lifetime emission light and the exponent...
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Article
Influences of Target Size and Contrast on Near Infrared Diffuse Optical Tomography – a Comparison Between Featured-data and Full Time-resolved Schemes
Our recent diffuse optical tomography experiments on human lower legs and forearms are presented using the time-resolved measuring system and image reconstruction algorithm based on the modified generalized pu...
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Article
The Development of Leukocyte Counter Using Fluorescence Imaging Analysis
Image cytometry centrifugation (ICC) method has been developed and applied to count residual leukocytes in transfusion blood products for quality assurance testing. The standard leukocyte fluorescence image pr...
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Article
Surgical Treatment for an Atherosclerotic Aneurysm of the Superficial Femoral Artery: Report of a Case
We report the case of an isolated atherosclerotic aneurysm of the superficial femoral artery (SFA). The patient was a 76-year-old man who presented with intermittent claudication and muscle weakness in his rig...
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Article
Microbial synthesis of (R)- and (S)-3,4-dimethoxyamphetamines through stereoselective transamination
Two soil isolates, Arthrobacter sp. KNK168 and Pseudomonas sp. KNK425, aminated 3,4-dimethoxyphenylacetone in presence of sec-butylamine as an amino donor to yield 3,4-dimethoxyamphetamine (DMA) with different en...
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Article
Monte Carlo Simulation of Near Infrared Reflectance Spectroscopy in the Wavelength Range from 1000 nm to 1900 nm
We have calculated the characteristics of reflected near infrared light, which is incident on the skin surface, scattered in the skin tissue and detected, in the wavelength range from 1000 nm to 1900 nm. We ha...
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Article
Fundamental Study of Reflection Pulse Oximetry
For the purpose of develo** reflection pulse oximetry, we have analyzed the light propagation in tissue to calculate the photon-visit depth for reflected light and to estimate the measured intensities of tra...
