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Showing 13 to 24 of 306 entries
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Origin of defect-insensitive emission probability in In-containing (Al,In,Ga)N alloy semiconductors.

Nature materials

Chichibu SF, Uedono A, Onuma T, Haskell BA, Chakraborty A, Koyama T, Fini PT, Keller S, Denbaars SP, Speck JS, Mishra UK, Nakamura S, Yamaguchi S, Kamiyama S, Amano H, Akasaki I, Han J, Sota T.
PMID: 16951678
Nat Mater. 2006 Oct;5(10):810-6. doi: 10.1038/nmat1726. Epub 2006 Sep 03.

Group-III-nitride semiconductors have shown enormous potential as light sources for full-colour displays, optical storage and solid-state lighting. Remarkably, InGaN blue- and green-light-emitting diodes (LEDs) emit brilliant light although the threading dislocation density generated due to lattice mismatch is six...

Glycerol effects on the formation and rheology of cubic phase and related gel emulsion.

Journal of colloid and interface science

Mydul Alam M, Kumar Shrestha L, Aramaki K.
PMID: 18990399
J Colloid Interface Sci. 2009 Jan 15;329(2):366-71. doi: 10.1016/j.jcis.2008.09.074. Epub 2008 Nov 05.

We have investigated the effects of glycerol on the formation and rheological behavior of cubic phase (I(1)) and related O/I(1) gel emulsion in a water/C(12)EO(8)/dodecane system at 25 degrees C. The phase behavior of the water/C(12)EO(8)/dodecane system was studied...

Viscoelastic micellar solutions in a mixed nonionic fluorinated surfactants system and the effect of oils.

Langmuir : the ACS journal of surfaces and colloids

Sharma SC, Acharya DP, Aramaki K.
PMID: 17439164
Langmuir. 2007 May 08;23(10):5324-30. doi: 10.1021/la0700523. Epub 2007 Apr 17.

Formation and rheological behavior of viscoelastic wormlike micelles in aqueous solution of a mixed system of nonionic fluorinated surfactants, perfluoroalkyl sulfonamide ethoxylate, C8F17SO2N(C3H7)(CH2CH2O)nH (abbreviated as C8F17EOn) was studied. In the water-surfactant binary system C8F17EO20 forms an isotropic micellar solution...

Foaming properties of monoglycerol fatty acid esters in nonpolar oil systems.

Langmuir : the ACS journal of surfaces and colloids

Shrestha LK, Aramaki K, Kato H, Takase Y, Kunieda H.
PMID: 16981746
Langmuir. 2006 Sep 26;22(20):8337-45. doi: 10.1021/la061204h.

Foaming properties of monoglycerol fatty acid esters that have different alkyl chain lengths were studied in different nonpolar oils, namely liquid paraffin (LP 70), squalane, and squalene. The effect of the hydrocarbon chain length of the surfactant, the concentration,...

Clinical significance of mean circulatory filling pressure and cardiac preload under anesthesia.

Journal of anesthesia

Ohishi K, Muteki T, Shinozaki M, Aragaki T, Tagami M, Shimizu D, Takagi T.
PMID: 15237303
J Anesth. 1987 Mar 01;1(1):35-43. doi: 10.1007/s0054070010035.

The circulatory effects of a rapid infusion of plasma substitute with intravenous administration of nitroglycerine (TNG) were investigated in low pressure systems of anesthetized patients by measuring various hemodynamic parameters. Measurements were made when the systolic blood pressure reached...

Selectivity enhancement for trans-2-(2,3-anthracenedicarboximido)-cyclohexane-derived diastereomers in HPLC by using an ordered organic stationary phase.

Analytical sciences : the international journal of the Japan Society for Analytical Chemistry

Shundo A, Fukui M, Takafuji M, Akasaka K, Ohrui H, Berek D, Ihara H.
PMID: 17372374
Anal Sci. 2007 Mar;23(3):311-5. doi: 10.2116/analsci.23.311.

2-(2,3-anthracenedicarboximido)cyclohexane derivatives (AC) have been known as the evolutionary diastereomerizing reagents for enantiomer discrimination in HPLC with ODS. However, a substantial separation of diastereomers can be observed only at lower temperatures, such as -40 degrees C. Therefore, in this...

Shape, size, and structural control of reverse micelles in diglycerol monomyristate nonionic surfactant system.

The journal of physical chemistry. B

Shrestha LK, Sato T, Aramaki K.
PMID: 17256898
J Phys Chem B. 2007 Feb 22;111(7):1664-71. doi: 10.1021/jp067546d. Epub 2007 Jan 26.

We have investigated the self-organization structures of diglycerol monomyristate (DGM) in different types of organic solvents. Study of phase behavior shows the presence of solid at lower temperature, and upon increasing temperature, the solid phase transforms to lamellar liquid...

Wormlike micelles in mixed surfactant systems: effect of cosolvents.

The journal of physical chemistry. B

Varade D, Rodríguez-Abreu C, Shrestha LK, Aramaki K.
PMID: 17696527
J Phys Chem B. 2007 Sep 06;111(35):10438-47. doi: 10.1021/jp0740999. Epub 2007 Aug 16.

We have studied the structure and rheological behavior of viscoelastic wormlike micellar solutions in the mixed nonionic surfactants poly(oxyethylene) cholesteryl ether (ChEO15)-trioxyethylene monododecyl ether (C12EO3) and anionic sodium dodecyl sulfate (SDS)-C12EO3 using a series of glycerol/water and formamide/water mixed...

Exclusive anti-Stokes Raman scattering using coherent material excitation.

Optics letters

Wada S, Kurachi M, Arasaki T, Kasai A, Tashiro H.
PMID: 19777038
Opt Lett. 1991 Oct 15;16(20):1581-3. doi: 10.1364/ol.16.001581.

A new process capable of scattering intense anti-Stokes waves that uses stimulated electronic Raman scattering in metal vapor is proposed. The coherent material excitation produced by a prepump pulse couples with the forthcoming main pulse exclusively to create polarization...

Structural investigation of diglycerol polyisostearate reverse micelles in organic solvents.

The journal of physical chemistry. B

Shrestha LK, Shrestha RG, Oyama K, Matsuzawa M, Aramaki K.
PMID: 19722515
J Phys Chem B. 2009 Sep 24;113(38):12669-79. doi: 10.1021/jp903382y.

The structure of glycerol-based reverse micelles in the surfactant/oil binary system without external water addition has been investigated using a small-angle X-ray scattering technique, and different tunable parameters for the structure control of reverse micelles are determined. The scattering...

The sympathetic efferent discharges during the Bezold-Jarisch reflex.

Neuroscience letters

Miyamoto JK, Arasaki K, Fukunaga AF.
PMID: 19605046
Neurosci Lett. 1977 Nov;6(2):165-9. doi: 10.1016/0304-3940(77)90012-x.

No abstract available.

Evidence for two Mg related acceptors in GaN.

Physical review letters

Monemar B, Paskov PP, Pozina G, Hemmingsson C, Bergman JP, Kawashima T, Amano H, Akasaki I, Paskova T, Figge S, Hommel D, Usui A.
PMID: 19658946
Phys Rev Lett. 2009 Jun 12;102(23):235501. doi: 10.1103/PhysRevLett.102.235501. Epub 2009 Jun 09.

The optical signatures of Mg-related acceptors in GaN have been revisited in samples specifically grown on bulk GaN templates, to avoid strain broadening of the optical spectra. Bound-exciton spectra can be studied in these samples for Mg concentrations up...

Showing 13 to 24 of 306 entries