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https://www.readbyqxmd.com/read/25628262/diradical-character-and-nonlinear-optical-properties-of-buckyferrocenes-focusing-on-the-use-of-suitably-modified-fullerene-fragments
#1
Shabbir Muhammad, Soichi Ito, Masayoshi Nakano, Ryohei Kishi, Kyohei Yoneda, Yasutaka Kitagawa, Mohd Shkir, Ahmad Irfan, Aijaz R Chaudhry, Salem AlFaify, Abul Kalam, Abdullah G Al-Sehemi
The buckyferrocenes, synthesized through face-to-face fusion of ferrocene and fullerene fragments (C60Me10), are expected to enjoy the rich scientific heritage of ferrocene and fullerene with an extensively large π-conjugation network between the two Fe atoms [Y. Matsuo, K. Tahara and E. Nakamura, J. Am. Chem. Soc., 2006, 128, 7154]. However, the addition of pentamethyl groups at each end of the fullerene fragment breaks the π-conjugation path as well as metal-metal spin correlation between the two-ferrocene faces in a buckyferrocene...
February 28, 2015: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/23255490/interplay-between-the-diradical-character-and-third-order-nonlinear-optical-properties-in-fullerene-systems
#2
Shabbir Muhammad, Kotaro Fukuda, Takuya Minami, Ryohei Kishi, Yasuteru Shigeta, Masayoshi Nakano
To reveal new structure-property relationships in the nonlinear optical (NLO) properties of fullerenes that are associated with their open-shell character, we investigated the interplay between the diradical character (y(i)) and second hyperpolarizability (longitudinal component, γ(zzzz)) in several fullerenes, including C(20), C(26), C(30), C(36), C(40), C(42), C(48), C(60), and C(70), by using the broken-symmetry density functional theory (DFT; LC-UBLYP (μ=0.33)/6-31G*//UB3LYP/6-31G*). We found that the large differences between the geometry and topology of fullerenes have a significant effect on the diradical character of each fullerene...
January 28, 2013: Chemistry: a European Journal
https://www.readbyqxmd.com/read/16851862/two-dimensional-infrared-spectroscopy-of-the-alanine-dipeptide-in-aqueous-solution
#3
Yung Sam Kim, Jianping Wang, Robin M Hochstrasser
The linear-infrared and two-dimensional infrared (2D IR) spectra in the amide-I' region of the alanine dipeptide and its (13)C isotopomers in aqueous solution (D(2)O) are reported. The two amide-I' IR transitions have been assigned unambiguously by using (13)C isotopic substitution of the carbonyl group; the amide unit at the acetyl end shows a lower transition frequency in the unlabeled species. The ratio of their transition dipole strengths remains almost unchanged upon (13)C substitution, indicating the absence of intensity transfer between two vibrators...
April 21, 2005: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/16350259/cardiac-health-while-you-sleep-an-a-to-zzzz-guide-to-restful-nights-and-more-zestful-days
#4
(no author information available yet)
No abstract text is available yet for this article.
November 2005: Heart Advisor
https://www.readbyqxmd.com/read/12916925/study-of-novel-rosin-based-biomaterials-for-pharmaceutical-coating
#5
Suniket V Fulzele, Prashant M Satturwar, Avinash K Dorle
The film forming and coating properties of Glycerol ester of maleic rosin (GMR) and Pentaerythritol ester of maleic rosin (PMR) were investigated. The 2 rosin-based biomaterials were initially characterized in terms of their physicochemical properties, molecular weight (Mw), and glass transition temperature (Tg). Films were produced by solvent evaporation technique on a mercury substrate. Dibutyl sebacate plasticized and nonplasticized films were characterized by mechanical (tensile zzzz strength, percentage elongation, and Young's modulus), water vapor transmission (WVT), and moisture absorption parameters...
2002: AAPS PharmSciTech
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