Research Topics
Species | Kunio AwazuSummaryAffiliation: Osaka University Country: Japan Publications
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Detail Information
Publications
Effects of near-infra-red laser irradiation on adenosine triphosphate and adenosine diphosphate contents of rat brain tissueNoriko Mochizuki-Oda
Institute of Free Electron Laser, Graduate School of Engineering, Osaka University, Hirakata, Osaka 573 0128, Japan
Neurosci Lett 323:207-10. 2002..4-4.7 degrees C during the irradiation of both wavelengths. These results suggest that the increase in tissue ATP content did not result from the thermal effect, but from a specific effect of the laser operated at the 830-nm wavelength...
Wavelength and average power density dependency of the surface modification of root dentin using an MIR-FELManabu Heya
Institute of Free Electron Laser, Graduate School of Engineering, Osaka University, 2 9 5 Tsuda Yamate, Hirakata, Osaka 573 0128, Japan
Lasers Surg Med 32:349-58. 2003..The key aspect is to bring about effective surface modification of the root dentin while minimizing the unwanted removal of the underlying dentin...
In vitro investigation of efficient photodynamic therapy using a nonviral vector; hemagglutinating virus of Japan envelopeMakoto Sakai
Osaka University, Graduate School of Engineering, Osaka 565 0871, Japan
J Biomed Opt 17:077009. 2012..The cytotoxicity of conventional 5-ALA was enhanced by the addition of HVJ-E vector. In conclusion, HVJ-E vector improved the uptake of photosensitizers and the PDT effect...
In vitro investigation of efficient photodynamic therapy using a nonviral vector; hemagglutinating virus of Japan envelopeMakoto Sakai
Osaka University, Graduate School of Engineering, Osaka 565 0871, Japan
J Biomed Opt 17:77009. 2012..The cytotoxicity of conventional 5-ALA was enhanced by the addition of HVJ-E vector. In conclusion, HVJ-E vector improved the uptake of photosensitizers and the PDT effect...
Development of a stigmatic mass microscope using laser desorption∕ionization and a multi-turn time-of-flight mass spectrometerHisanao Hazama
Osaka University, Graduate School of Engineering, 2 1 Yamadaoka, Suita, Osaka 565 0871, Japan
J Biomed Opt 16:046007. 2011....
Blue laser irradiation enhances extracellular calcification of primary mesenchymal stem cellsToshihiro Kushibiki
Frontier Research Base for Global Young Researchers, Frontier Research Center, Graduate School of Engineering, Osaka University, Osaka, Japan
Photomed Laser Surg 27:493-8. 2009..Here we show that laser irradiation can direct the extracellular calcification of mouse MSCs by altering the intracellular localization of the circadian rhythm protein cryptochrome 1 (CRY1)...
Chondrogenic mRNA expression in prechondrogenic cells after blue laser irradiationToshihiro Kushibiki
Frontier Research Center, Graduate School of Engineering, Osaka University, 2 1 Yamadaoka, Suita, Osaka 565 0871, Japan
J Photochem Photobiol B 98:211-5. 2010..As this technique could readily be applied in situ to control the differentiation of cells at an implanted site within the body, this approach may have therapeutic potential for the restoration of damaged or diseased tissue...
Novel laser therapy and diagnosis using mid-infrared laserKunio Awazu
Medical Beam Physics Laboratory, Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, Osaka 565 0871, Japan
Conf Proc IEEE Eng Med Biol Soc 2009:4150-3. 2009..This paper showed a novel therapeutic and diagnostic applications using tunable MIR laser...
Evaluation of oxygen consumption of culture medium and in vitro photodynamic effect of talaporfin sodium in lung tumor cellsYutaka Tomioka
Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, Osaka, Japan
Photomed Laser Surg 28:385-90. 2010....
Unimolecular and collision-induced dissociation of singly-charged mono-bromide silver clusters Ag(x)Br(+) (x = 2, 4, 6, 8, 10)Hirofumi Nagao
Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, 2 1 Yamadaoka, Suita, Osaka 565 0871, Japan
Eur J Mass Spectrom (Chichester, Eng) 15:459-69. 2009..The present results were consistently explained by SJM. The dissociation behavior of Ag(2)Br(+) can be explained on the basis of the calculated thermochemical data...
Free-electron-laser-induced shock-wave control and mechanistic analysis using pulse controlTaizo Kanai
Division of Sustainable Energy and Environmental Engineering, Osaka University, 2 6 Yamadaoka, Suita, Osaka 565 0871, Japan
Appl Opt 47:5862-70. 2008..With this system, we have controlled photoinduced shock waves and determine the mechanism of interaction during FEL-induced tissue ablation...
Controlling osteogenesis and adipogenesis of mesenchymal stromal cells by regulating a circadian clock protein with laser irradiationToshihiro Kushibiki
1 Frontier Research Center, Graduate School of Engineering, Osaka University, 2 1 Yamadaoka, Suita, Osaka, 565 0871, Japan
Int J Med Sci 5:319-26. 2008..Furthermore, this model system may be useful for exploring the crosstalk between circadian rhythm and cell differentiation...
Quantitative estimates of vascularity in a collagen-based cell scaffold containing basic fibroblast growth factor by noninvasive near-infrared spectroscopy for regenerative medicineToshihiro Kushibiki
Frontier Research Base for Global Young Researchers, Frontier Research Center, Graduate School of Engineering, Osaka, Japan
Photomed Laser Surg 26:247-50. 2008....
Differential effects of photodynamic therapy on morphologically distinct tumor cells derived from a single precursor cellToshihiro Kushibiki
Frontier Research Base for Global Young Researchers, Frontier Research Center, Graduate School of Engineering, Osaka University, Suita, Osaka, Japan
Cancer Lett 268:244-51. 2008..Understanding tumor cell heterogeneity for clinical applications of PDT will help in the design of new interventions and potentially improve long-term survival of PDT treated patients...
Comparison of mass spectra of peptides in different matrices using matrix-assisted laser desorption/ionization and a multi-turn time-of-flight mass spectrometer, MULTUM-IMGHisanao Hazama
Graduate School of Engineering, Osaka University, 2 1 Yamadaoka, Suita, Osaka 565 0871, Japan
Rapid Commun Mass Spectrom 22:1461-6. 2008....
Alternative denervation using laser irradiation in lumbar facet syndromeKoichi Iwatsuki
Department of Neurosurgery, Osaka University Medical School, Suita, Osaka, Japan
Lasers Surg Med 39:225-9. 2007..The target of surgical techniques is the transverse process bases where the medial nerve branches innervated the facet. However, highly variable success rates have been demonstrated in different series...
Percutaneous laser disc decompression for lumbar disc hernia: indications based on Lasegue's SignKoichi Iwatsuki
Department of Neurosurgery, Osaka University Medical School, Osaka, Japan
Photomed Laser Surg 25:40-4. 2007..The present study was conducted to establish reasonable indications of patient neurological manifestations for use of percutaneous laser disc decompression (PLDD)...
Medical application of an infrared free-electron laser: selective removal of cholesterol ester in carotid artery atheromatous plaquesYoshikazu Nakajima
Department of Neurosurgery, Graduate School of Medicine, Osaka University, Suita, Japan
J Neurosurg 104:426-8. 2006..The purpose of this study was to determine the effectiveness of infrared free-electron laser (FEL) irradiation of cholesterol esters in human carotid artery (CA) atheromas...
In vitro investigation of efficient photodynamic therapy using a nonviral vector; hemagglutinating virus of Japan envelopeMakoto Sakai
Osaka University, Graduate School of Engineering, Osaka 565 0871, Japan
J Biomed Opt 17:078002. 2012..The cytotoxicity of conventional 5-ALA was enhanced by the addition of HVJ-E vector. In conclusion, HVJ-E vector improved the uptake of photosensitizers and the PDT effect...
Determination of the tumor tissue optical properties during and after photodynamic therapy using inverse Monte Carlo method and double integrating sphere between 350 and 1000 nmNorihiro Honda
Osaka University, Medical Beam Physics Laboratory, Graduate School of Engineering, 2 1 A14 Yamadaoka, Suita, Osaka 565 0871, Japan
J Biomed Opt 16:058003. 2011..0 times, which results in the optical penetration depth decreased by 1.4 to 1.8 times. To ensure an effective procedure, the adjustment of laser parameters for the decreasing penetration depth is recommended for the re-irradiation of PDT...
Development of selective laser treatment techniques using mid-infrared tunable nanosecond pulsed laserKatsunori Ishii
Medical Beam Phisics Laboratory, Division of Sustainable Energy and Environmental Engineering, Graduate School of Engineering, Osaka University, 565 0871, Japan
Conf Proc IEEE Eng Med Biol Soc 2010:1614-7. 2010..This paper showed a novel selective therapeutic technique for a laser angioplasty of atherosclerotic plaques and a laser dental surgery of a carious dentin using a MIR tunable nanosecond pulsed laser...
Development of a tandem time-of-flight mass spectrometer with an electrospray ionization ion sourceHirofumi Nagao
Renovation Center of Instruments for Science Education and Technology, Osaka University, 1 1 Machikaneyama, Toyonaka, Osaka 560 0043, Japan
J Mass Spectrom 45:937-43. 2010..It was demonstrated that high-energy CID of multiply protonated peptides could be achieved in the ESI-TOF/quadTOF...
Prevention of dental caries in partially erupted permanent teeth with a CO2 laserJunji Kato
Developmental Oral Health Science, Department of Orofacial Development and Function, Graduate School, Tokyo Medical and Dental University, Tokyo, Japan
J Clin Laser Med Surg 21:369-74. 2003..The purpose of this study was to determine the effect of CO2 laser irradiation in the prevention of pit and fissure caries in immature molars with covering opercula...
