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Article
Cross-Sectional and Longitudinal Associations of Creatinine-to-Cystatin C Ratio with Sarcopenia Parameters in Older Adults
Accumulating evidence from cross-sectional studies suggests that the serum creatinine-to-cystatin C ratio (CCR) may be a useful biomarker for sarcopenia. This study aimed to assess the cross-sectional and long...
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Article
Photoluminescence in n-doped In0.1Ga0.9N/In0.01Ga0.99N multiple quantum wells
In0.1Ga0.9N/In0.01Ga0.99N multiple quantum wells (MQWs) with heavily Si-doped barriers, grown with Metal Organic Vapor Phase Epitaxy (MOVPE) at about 8000C, have been studied in detail with optical spectroscopy. ...
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Article
Score-Based and Nutrient-Derived Dietary Patterns Are Associated with Depressive Symptoms in Community-Dwelling Older Japanese: A Cross-Sectional Study
This study evaluated associations of score-based and nutrient-derived dietary patterns with depressive symptoms in community-dwelling older Japanese.
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Article
Open AccessInsight into the performance of multi-color InGaN/GaN nanorod light emitting diodes
We report on the thorough investigation of light emitting diodes (LEDs) made of core-shell nanorods (NRs) with InGaN/GaN quantum wells (QWs) in the outer shell, which are grown on patterned substrates by metal...
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Article
Dietary variety and decline in lean mass and physical performance in community-dwelling older Japanese: A 4-year follow-up study
To examine associations of dietary variety with changes in lean mass and physical performance during a 4-year period in an elderly Japanese population. Design: Four-year prospective study.
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Article
Association of dietary variety with body composition and physical function in community-dwelling elderly Japanese
To examine the associations of dietary variety with body composition and physical function in community-dwelling elderly Japanese
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Article
Study of charged particle activation analysis (I): determination sensitivity for single element samples
Charged particle activation analysis (CPAA) utilizing an 8 MeV proton beam has been studied for general elemental quantification. We accumulate the reaction cross section and nuclear decay data by referring to...
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Article
Transient four wave mixing experiments on GaN
We present four wave mixing experiments on GaN. We find an intrinsic homogeneous broadening of the A-exciton of 1.67 meV. A pronounced beating with a period of 0.52 ps is observed at excitation energies betwee...
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Article
Properties of the Biexciton and the Electron-Hole-Plasma in Highly Excited GaN
High-excitation processes like biexciton decay and recombination of an electron-hole-plasma are discussed as efficient mechanisms for lasing in blue laser diodes [1]. Therefore, the investigation of these proc...
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Article
Multiple vitellogenins and product yolk proteins in striped bass, Morone saxatilis: molecular characterization and processing during oocyte growth and maturation
The multiple vitellogenin (Vtg) system of striped bass, a perciform species spawning nearly neutrally buoyant eggs in freshwater, was investigated. Vitellogenin cDNA cloning, Western blotting of yolk proteins ...
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Article
The Role of the Multi Buffer Layer Technique on the Structural Quality of GaN
Successive growth of thick GaN layers separated by either LT-GaN or LT-AlN interlayers have been investigated by transmission electron microscopy techniques. One of the objectives of this growth method was to ...
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Article
Spectroscopy in Polarized and Piezoelectric AlGaInN Heterostructures
Uniaxial wurtzite group-III nitride heterostructures are subject to large polarization effects with significant consequences for device physics in optoelectronic and transport device applications. A central as...
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Article
Mass Transport, Faceting and Behavior of Dislocations in GaN
The behavior of threading dislocations during mass transport of GaN was investigated in detail by transmission electron microscopy. Mass transport occurred at the surface. Therefore, growing species are suppli...
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Article
High-Quality AlxGa1−xN Using Low Temperature-Interlayer and its Application to UV Detector
Low-temperature (LT-) AlN interlayer reduces tensile stress during growth of AlxGa1−xN, while simultaneously acts as the dislocation filter, especially for dislocations of which Burger’s vector contains [0001] co...
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Article
Growth of Crack-Free Thick AlGaN Layer and Its Application to GaN-Based Laser Diode
In the field of group-III nitrides, hetero-epitaxial growth has been one of the most important key technologies. A thick layer of AlGaN alloy with higher AlN molar fraction is difficult to grow on sapphire sub...
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Article
Clinical outcomes of the placement of a drug-eluting stent with the use of Rotablator™ in dialytic patients: in comparison with non-dialytic patients
Much remains unknown about the clinical outcomes of drug-eluting stent (DES) implantations following ablation by the Rotablator™ in dialytic patients. The purpose of this study was to examine these outcomes. O...
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Article
Optical Investigations of AlGaN on GaN Epitaxial Films
We have investigated AlxGal-xN/GaN heterostructures (0<x<0.22) grown by metal organic vapor phase epitaxy on sapphire with photoluminescence (PL), reflexion and cathodo-luminescence experiments. The energetic pos...
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Article
Role of the Substitutional Oxygen Donor in the Residual N-Type Conductivity in GaN
A detailed photoluminescence (PL) study reveals a striking similarity in local vibrational properties of a defect center in GaN as compared to that for the substitutional Op donor in GaP. This observation could b...
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Article
Piezoelectric Level Splitting in GaInN/GaN Quantum Wells
Identification of the electronic band structure in AlInGaN heterostructures is the key issue in high performance light emitter and switching devices. In device-typical GaInN/GaN multiple quantum well samples i...
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Article
Hollow core dislocations in Mg-doped AlGaN
Transmission electron microscopy has been used to investigate the core structure of threading dislocations in heavily Mg-doped (1020 cm−3) Al0.03Ga0.97N films grown on (0001) sapphire by metal-organic chemical va...
