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Showing 13 to 24 of 314 entries
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Polarization interferometric stellar coronagraph.

Optics letters

Baba N, Murakami N, Ishigaki T, Hashimoto N.
PMID: 18026450
Opt Lett. 2002 Aug 15;27(16):1373-5. doi: 10.1364/ol.27.001373.

A nulling stellar coronagraph based on polarization interferometry is proposed that has achromatic characteristics. The principle and the optical setup of the nulling stellar coronagraph are described. Experimental results with monochromatic and white light show the usefulness of the...

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Baba N, Murakami N, Ishigaki T, et al. Polarization interferometric stellar coronagraph. Opt Lett. 2002;27(16):1373-5doi: 10.1364/ol.27.001373.
Baba, N., Murakami, N., Ishigaki, T., & Hashimoto, N. (2002). Polarization interferometric stellar coronagraph. Optics letters, 27(16), 1373-5. https://doi.org/10.1364/ol.27.001373
Baba, Naoshi, et al. "Polarization interferometric stellar coronagraph." Optics letters vol. 27,16 (2002): 1373-5. doi: https://doi.org/10.1364/ol.27.001373
Baba N, Murakami N, Ishigaki T, Hashimoto N. Polarization interferometric stellar coronagraph. Opt Lett. 2002 Aug 15;27(16):1373-5. doi: 10.1364/ol.27.001373. PMID: 18026450.
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Identification of a low plasma-rotation threshold for stabilization of the resistive-wall mode.

Physical review letters

Takechi M, Matsunaga G, Aiba N, Fujita T, Ozeki T, Koide Y, Sakamoto Y, Kurita G, Isayama A, Kamada Y.
PMID: 17358869
Phys Rev Lett. 2007 Feb 02;98(5):055002. doi: 10.1103/PhysRevLett.98.055002. Epub 2007 Feb 01.

The plasma rotation necessary for stabilization of resistive-wall modes (RWMs) is investigated by controlling the toroidal plasma rotation with external momentum input by injection of tangential neutral beams. The observed threshold is 0.3% of the Alfvén velocity and much...

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Takechi M, Matsunaga G, Aiba N, et al. Identification of a low plasma-rotation threshold for stabilization of the resistive-wall mode. Phys Rev Lett. 2007;98(5):055002doi: 10.1103/PhysRevLett.98.055002.
Takechi, M., Matsunaga, G., Aiba, N., Fujita, T., Ozeki, T., Koide, Y., Sakamoto, Y., Kurita, G., Isayama, A., Kamada, Y. (2007). Identification of a low plasma-rotation threshold for stabilization of the resistive-wall mode. Physical review letters, 98(5), 055002. https://doi.org/10.1103/PhysRevLett.98.055002
Takechi, M, et al. "Identification of a low plasma-rotation threshold for stabilization of the resistive-wall mode." Physical review letters vol. 98,5 (2007): 055002. doi: https://doi.org/10.1103/PhysRevLett.98.055002
Takechi M, Matsunaga G, Aiba N, Fujita T, Ozeki T, Koide Y, Sakamoto Y, Kurita G, Isayama A, Kamada Y. Identification of a low plasma-rotation threshold for stabilization of the resistive-wall mode. Phys Rev Lett. 2007 Feb 02;98(5):055002. doi: 10.1103/PhysRevLett.98.055002. Epub 2007 Feb 01. PMID: 17358869.
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Strong compression rate dependence of phase separation and stereocomplexation between isotactic and syndiotactic poly(methyl methacrylate)s in a Langmuir monolayer observed by atomic force microscopy.

Langmuir : the ACS journal of surfaces and colloids

Aiba N, Sasaki Y, Kumaki J.
PMID: 20593815
Langmuir. 2010 Aug 03;26(15):12703-8. doi: 10.1021/la1018289.

The stereocomplex formation between isotactic and syndiotactic poly(methyl methacrylate) (it-PMMA, st-PMMA) in a Langmuir monolayer was studied by surface pressure-area isotherms and atomic force microscopy (AFM). We found that the stereocomplex formation was highly sensitive to the compression rate...

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Aiba N, Sasaki Y, Kumaki J. Strong compression rate dependence of phase separation and stereocomplexation between isotactic and syndiotactic poly(methyl methacrylate)s in a Langmuir monolayer observed by atomic force microscopy. Langmuir. 2010;26(15):12703-8doi: 10.1021/la1018289.
Aiba, N., Sasaki, Y., & Kumaki, J. (2010). Strong compression rate dependence of phase separation and stereocomplexation between isotactic and syndiotactic poly(methyl methacrylate)s in a Langmuir monolayer observed by atomic force microscopy. Langmuir : the ACS journal of surfaces and colloids, 26(15), 12703-8. https://doi.org/10.1021/la1018289
Aiba, Naoyuki, et al. "Strong compression rate dependence of phase separation and stereocomplexation between isotactic and syndiotactic poly(methyl methacrylate)s in a Langmuir monolayer observed by atomic force microscopy." Langmuir : the ACS journal of surfaces and colloids vol. 26,15 (2010): 12703-8. doi: https://doi.org/10.1021/la1018289
Aiba N, Sasaki Y, Kumaki J. Strong compression rate dependence of phase separation and stereocomplexation between isotactic and syndiotactic poly(methyl methacrylate)s in a Langmuir monolayer observed by atomic force microscopy. Langmuir. 2010 Aug 03;26(15):12703-8. doi: 10.1021/la1018289. PMID: 20593815.
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Stellar speckle image reconstruction by the shift-and-add method.

Applied optics

Baba N, Isobe S, Norimoto Y, Noguchi M.
PMID: 20440355
Appl Opt. 1985 May 15;24(10):1403-5. doi: 10.1364/AO.24.001403.

No abstract available.

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Baba N, Isobe S, Norimoto Y, et al. Stellar speckle image reconstruction by the shift-and-add method. Appl Opt. 1985;24(10):1403-5doi: 10.1364/AO.24.001403.
Baba, N., Isobe, S., Norimoto, Y., & Noguchi, M. (1985). Stellar speckle image reconstruction by the shift-and-add method. Applied optics, 24(10), 1403-5. https://doi.org/10.1364/AO.24.001403
Baba, N, et al. "Stellar speckle image reconstruction by the shift-and-add method." Applied optics vol. 24,10 (1985): 1403-5. doi: https://doi.org/10.1364/AO.24.001403
Baba N, Isobe S, Norimoto Y, Noguchi M. Stellar speckle image reconstruction by the shift-and-add method. Appl Opt. 1985 May 15;24(10):1403-5. doi: 10.1364/AO.24.001403. PMID: 20440355.
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Mixed-mode oscillations and cluster patterns in an electrochemical relaxation oscillator under galvanostatic control.

Chaos (Woodbury, N.Y.)

Baba N, Krischer K.
PMID: 18377084
Chaos. 2008 Mar;18(1):015103. doi: 10.1063/1.2779856.

We studied the dynamics of a prototypical electrochemical model, the electro-oxidation of hydrogen in the presence of poisons, under galvanostatic conditions. The lumped system exhibits relaxation oscillations, which develop mixed-mode oscillations (MMOs) for low preset currents. A fast-slow analysis...

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Baba N, Krischer K. Mixed-mode oscillations and cluster patterns in an electrochemical relaxation oscillator under galvanostatic control. Chaos. 2008;18(1):015103doi: 10.1063/1.2779856.
Baba, N., & Krischer, K. (2008). Mixed-mode oscillations and cluster patterns in an electrochemical relaxation oscillator under galvanostatic control. Chaos (Woodbury, N.Y.), 18(1), 015103. https://doi.org/10.1063/1.2779856
Baba, Nilüfer, and Krischer, Katharina. "Mixed-mode oscillations and cluster patterns in an electrochemical relaxation oscillator under galvanostatic control." Chaos (Woodbury, N.Y.) vol. 18,1 (2008): 015103. doi: https://doi.org/10.1063/1.2779856
Baba N, Krischer K. Mixed-mode oscillations and cluster patterns in an electrochemical relaxation oscillator under galvanostatic control. Chaos. 2008 Mar;18(1):015103. doi: 10.1063/1.2779856. PMID: 18377084.
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Method to reconstruct exoplanetary spectrum.

Optics letters

Zubko N, Baba N, Shibuya H, Murakami N.
PMID: 19684806
Opt Lett. 2009 Aug 15;34(16):2432-4. doi: 10.1364/ol.34.002432.

We present a method for spectroscopic observations of exoplanets. Coronagraphic image of a star-planet system and its objective spectra are observed simultaneously. Stellar image and objective spectrum without coronagraphic suppression are also obtained as reference. By convolution of the...

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Zubko N, Baba N, Shibuya H, et al. Method to reconstruct exoplanetary spectrum. Opt Lett. 2009;34(16):2432-4doi: 10.1364/ol.34.002432.
Zubko, N., Baba, N., Shibuya, H., & Murakami, N. (2009). Method to reconstruct exoplanetary spectrum. Optics letters, 34(16), 2432-4. https://doi.org/10.1364/ol.34.002432
Zubko, N, et al. "Method to reconstruct exoplanetary spectrum." Optics letters vol. 34,16 (2009): 2432-4. doi: https://doi.org/10.1364/ol.34.002432
Zubko N, Baba N, Shibuya H, Murakami N. Method to reconstruct exoplanetary spectrum. Opt Lett. 2009 Aug 15;34(16):2432-4. doi: 10.1364/ol.34.002432. PMID: 19684806.
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Structure-activity relationship of antioxidants for inhibitors of linoleic acid hydroperoxide-induced toxicity in cultured human umbilical vein endothelial cells.

Cytotechnology

Kaneko T, Baba N, Matsuo M.
PMID: 19003280
Cytotechnology. 2001 Jan;35(1):43-55. doi: 10.1023/A:1008139412588.

Structure-activity relationship of antioxidants for the protective effects on linoleic acid hydroperoxide (LOOH)-induced toxicity were examined in cultured human umbilical vein endothelial cells. alpha-Tocopherol, 2,2,5,7,8-pentamethylchroman-6-ol, butylated hydroxytoluene, probucol, and fatty acid esters of ascorbic acid provided efficient protection against...

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Kaneko T, Baba N, Matsuo M. Structure-activity relationship of antioxidants for inhibitors of linoleic acid hydroperoxide-induced toxicity in cultured human umbilical vein endothelial cells. Cytotechnology. 2001;35(1):43-55doi: 10.1023/A:1008139412588.
Kaneko, T., Baba, N., & Matsuo, M. (2001). Structure-activity relationship of antioxidants for inhibitors of linoleic acid hydroperoxide-induced toxicity in cultured human umbilical vein endothelial cells. Cytotechnology, 35(1), 43-55. https://doi.org/10.1023/A:1008139412588
Kaneko, T, et al. "Structure-activity relationship of antioxidants for inhibitors of linoleic acid hydroperoxide-induced toxicity in cultured human umbilical vein endothelial cells." Cytotechnology vol. 35,1 (2001): 43-55. doi: https://doi.org/10.1023/A:1008139412588
Kaneko T, Baba N, Matsuo M. Structure-activity relationship of antioxidants for inhibitors of linoleic acid hydroperoxide-induced toxicity in cultured human umbilical vein endothelial cells. Cytotechnology. 2001 Jan;35(1):43-55. doi: 10.1023/A:1008139412588. PMID: 19003280; PMCID: PMC3466616.
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Data analysis of stellar specklegrams with neural networks.

Applied optics

Baba N, Kishino A, Miura N.
PMID: 21069079
Appl Opt. 1996 Feb 10;35(5):844-7. doi: 10.1364/AO.35.000844.

An artificial neural network is applied to analysis of specklegrams of binary stars. Parameters of a binary star, the angular separation and the position angle, are estimated from the specklegrams by use of neural networks for each parameter. It...

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Baba N, Kishino A, Miura N. Data analysis of stellar specklegrams with neural networks. Appl Opt. 1996;35(5):844-7doi: 10.1364/AO.35.000844.
Baba, N., Kishino, A., & Miura, N. (1996). Data analysis of stellar specklegrams with neural networks. Applied optics, 35(5), 844-7. https://doi.org/10.1364/AO.35.000844
Baba, N, et al. "Data analysis of stellar specklegrams with neural networks." Applied optics vol. 35,5 (1996): 844-7. doi: https://doi.org/10.1364/AO.35.000844
Baba N, Kishino A, Miura N. Data analysis of stellar specklegrams with neural networks. Appl Opt. 1996 Feb 10;35(5):844-7. doi: 10.1364/AO.35.000844. PMID: 21069079.
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Toward high-resolution imaging with a simple adaptive-optics system.

Optics letters

Baba N, Kuwamura S, Miura N, Norimoto Y.
PMID: 19876105
Opt Lett. 1996 May 01;21(9):626-8. doi: 10.1364/ol.21.000626.

High-resolution imaging with reference to a widely separated star is examined. Peak tracking of the specklegram in the reference channel results in a high-resolution image in the observational channel. A binary star with angular separation of 30.5 arcsec is...

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Baba N, Kuwamura S, Miura N, et al. Toward high-resolution imaging with a simple adaptive-optics system. Opt Lett. 1996;21(9):626-8doi: 10.1364/ol.21.000626.
Baba, N., Kuwamura, S., Miura, N., & Norimoto, Y. (1996). Toward high-resolution imaging with a simple adaptive-optics system. Optics letters, 21(9), 626-8. https://doi.org/10.1364/ol.21.000626
Baba, N, et al. "Toward high-resolution imaging with a simple adaptive-optics system." Optics letters vol. 21,9 (1996): 626-8. doi: https://doi.org/10.1364/ol.21.000626
Baba N, Kuwamura S, Miura N, Norimoto Y. Toward high-resolution imaging with a simple adaptive-optics system. Opt Lett. 1996 May 01;21(9):626-8. doi: 10.1364/ol.21.000626. PMID: 19876105.
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Single-frame blind deconvolution by means of frame segmentation.

Optics letters

Miura N, Ohsawa K, Baba N.
PMID: 19844415
Opt Lett. 1994 May 15;19(10):695-7. doi: 10.1364/ol.19.000695.

For restoration of an image degraded with a shift-invariant point-spread function (PSF), partial images segmented from the degraded image are blind deconvolved in parallel for estimation of the common PSF in each partial image. An object function is reconstructed...

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Miura N, Ohsawa K, Baba N. Single-frame blind deconvolution by means of frame segmentation. Opt Lett. 1994;19(10):695-7doi: 10.1364/ol.19.000695.
Miura, N., Ohsawa, K., & Baba, N. (1994). Single-frame blind deconvolution by means of frame segmentation. Optics letters, 19(10), 695-7. https://doi.org/10.1364/ol.19.000695
Miura, N, et al. "Single-frame blind deconvolution by means of frame segmentation." Optics letters vol. 19,10 (1994): 695-7. doi: https://doi.org/10.1364/ol.19.000695
Miura N, Ohsawa K, Baba N. Single-frame blind deconvolution by means of frame segmentation. Opt Lett. 1994 May 15;19(10):695-7. doi: 10.1364/ol.19.000695. PMID: 19844415.
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On the nature of the multiple ground states of the MMX mixed-valence chain compound, [Pt(II/III)2(n-PenCS2)4I]∞.

Inorganic chemistry

Mitsumi M, Yamashita T, Aiga Y, Toriumi K, Kitagawa H, Mitani T, Kurmoo M.
PMID: 21486012
Inorg Chem. 2011 May 16;50(10):4368-77. doi: 10.1021/ic102461z. Epub 2011 Apr 12.

We present a comprehensive study of the temperature dependence of the crystal structure using single-crystal X-ray diffraction and diffuse scattering, and electrical transport and magnetic properties as well as some optical properties at room temperature to elucidate the origin...

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Mitsumi M, Yamashita T, Aiga Y, et al. On the nature of the multiple ground states of the MMX mixed-valence chain compound, [Pt(II/III)2(n-PenCS2)4I]∞. Inorg Chem. 2011;50(10):4368-77doi: 10.1021/ic102461z.
Mitsumi, M., Yamashita, T., Aiga, Y., Toriumi, K., Kitagawa, H., Mitani, T., & Kurmoo, M. (2011). On the nature of the multiple ground states of the MMX mixed-valence chain compound, [Pt(II/III)2(n-PenCS2)4I]∞. Inorganic chemistry, 50(10), 4368-77. https://doi.org/10.1021/ic102461z
Mitsumi, Minoru, et al. "On the nature of the multiple ground states of the MMX mixed-valence chain compound, [Pt(II/III)2(n-PenCS2)4I]∞." Inorganic chemistry vol. 50,10 (2011): 4368-77. doi: https://doi.org/10.1021/ic102461z
Mitsumi M, Yamashita T, Aiga Y, Toriumi K, Kitagawa H, Mitani T, Kurmoo M. On the nature of the multiple ground states of the MMX mixed-valence chain compound, [Pt(II/III)2(n-PenCS2)4I]∞. Inorg Chem. 2011 May 16;50(10):4368-77. doi: 10.1021/ic102461z. Epub 2011 Apr 12. PMID: 21486012.
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Theoretical study on oligoacenes and polycyclic aromatic hydrocarbons using the restricted active space self-consistent field method.

The journal of physical chemistry. A

Aiga F.
PMID: 22201478
J Phys Chem A. 2012 Jan 12;116(1):663-9. doi: 10.1021/jp2092225. Epub 2011 Dec 28.

This is the first study, to my knowledge, to report the optimized geometries and vibrational frequency analysis for oligoacenes (naphthalene, anthracene, naphtacene, and pentacene) and polycyclic aromatic hydrocarbons (PAHs; perylene, phenanthrene, and picene) by using the restricted active space...

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Aiga F. Theoretical study on oligoacenes and polycyclic aromatic hydrocarbons using the restricted active space self-consistent field method. J Phys Chem A. 2011;116(1):663-9doi: 10.1021/jp2092225.
Aiga, F. (2012). Theoretical study on oligoacenes and polycyclic aromatic hydrocarbons using the restricted active space self-consistent field method. The journal of physical chemistry. A, 116(1), 663-9. https://doi.org/10.1021/jp2092225
Aiga, Fumihiko. "Theoretical study on oligoacenes and polycyclic aromatic hydrocarbons using the restricted active space self-consistent field method." The journal of physical chemistry. A vol. 116,1 (2012): 663-9. doi: https://doi.org/10.1021/jp2092225
Aiga F. Theoretical study on oligoacenes and polycyclic aromatic hydrocarbons using the restricted active space self-consistent field method. J Phys Chem A. 2012 Jan 12;116(1):663-9. doi: 10.1021/jp2092225. Epub 2011 Dec 28. PMID: 22201478.
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Showing 13 to 24 of 314 entries