Results 111 to 120 of about 5,778 (287)

Oxidized polyethylene films for orienting polar molecules for linear dichroism spectroscopy [PDF]

, 2014
Stretched polyethylene (PE) films have been used to orient small molecules for decades by depositing solutions on their surface and allowing the solvent to evaporate leaving the analyte absorbed on the polymer film.
Alison Rodger, Ardhammar, Briggs, Bunn, Chandross, Coggan, Friedrich, Hicks, Hiort, Ismail, Juul, Kasha, Kasra Razmkhah, Kubista, Lee, Marrington, Marrington, Mathieson, Mathieson, Matthew I. Gibson, Michl, Natta, Nikola Paul Chmel, Nordén, Nordén, Patterson, Rajendra, Rodger, Rodger, Schipper, Small, Thulstrup, Thulstrup, Tissington, Wirtz, Zou   +35 more
core   +1 more source

Infrared and ultraviolet spectrophotometric analysis of chromatographic fractions of crude oils and petroleum products

Bulletin of the Chemical Society of Ethiopia, 2007
Samples of light, medium and heavy Nigerian crude oils and petroleum products including diesel oil, engine oil (SAE 40) and gasoline (PMS) have been separated into four fractions of saturates, monoaromatics, diaromatics and polyaromatics by elution ...
E.O. Odebunmi, S.A. Adeniyi
doaj  

Direct formation of fullerene monolayers using [4+2] Diels-Alder cycloaddition. [PDF]

, 2011
International audienceThe formation of covalent C(60) monolayers through [4+2] Diels-Alder cycloaddition between C(60) and anthracene monolayers grafted onto a silicon oxide surface was investigated by ellipsometry, fluorescence and by atomic force ...
Bassani, Dario M., Belin, Colette, Fabre, Bruno, Hapiot, Philippe, Hui, Fei, Ray, Debdas   +5 more
core   +2 more sources

An assessment of two decades of contaminant monitoring in the Nation’s Coastal Zone. [PDF]

, 2008
Executive Summary: Information found in this report covers the years 1986 through 2005. Mussel Watch began monitoring a suite of trace metals and organic contaminants such as DDT, PCBs and PAHs.
Apeti, D. A., Christensen, J. D., Kimbrough, K. L., Lauenstein, G. G.   +3 more
core  

STRUCTURE OF BENZ[A]ANTHRACENE-7,12-DIONE [PDF]

, 2002
C18H1002, monoclinic, C2/c, a = 10.918 (1), b = 11.369(1), c = 19.850(1)A, /~= 97.224(7) ° , U = 2444.4 A 3, Z = 8, D,n = 1.41 (2), D c = 1.403 Mg m -3, F(000) = 1072, 2(CuKa) = 1.5418/~, ~t = 0.742 mm -1.
KURODA, R, NEIDLE, S, SUBBIAH, A
core   +1 more source

The 2.5-diacyl-1,4-dimethylbenzenes: Examples of bisphotoenol equivalents [PDF]

The photochemistry of 2,5-dibenzoyl(DBX)-and 2,5-diacetyl-1,4-dimethylbenzene (DAX) has been investigated. Both compounds readily undergo photoenolization similar to 0-alkylphenyl ketones.
Meador, Michael A.
core   +1 more source

Thermal and Photochemical Generation of Electronically Excited Organic Molecules: Tetramethyl-1,2-dioxetane and Naphthvalene [PDF]

, 1973
In this paper some examples of reactions which yield electronically excited products are presented. In particular, the 1,2-dioxetanes are discussed. These molecules cleave cleanly into two carbonyl fragments when heated or irradiated.
Lechtken, Peter, Turro, Nicholas J.
core   +2 more sources

Mechanistic insights into the multi-target anti-atherosclerotic actions of rhubarb: a traditional remedy revisited

Chinese Medicine
Atherosclerosis (AS), a chronic inflammatory vascular disease, underlies the pathogenesis of most cardiovascular disorders. Its pathologic features include endothelial damage, inflammatory response, lipid plaque formation and rupture, thrombosis, and ...
Feng-jiao Hu, Yue-ming Tang, Bin-yue Hu, Feng-ning Yang, Wei Jin, Yi-fan Miao, Yun Lu   +6 more
doaj   +1 more source

Self-Assembly of 9,10-Bis(phenylethynyl) anthracene (BPEA) Derivatives: Influence of pi-pi and Hydrogen Bonding Interactions on Aggregate Morphology and Self-Assembly Mechanism [PDF]

9,10-Bis(phenylethynyl)anthracenes (BPEAs) are an important class of dyes with various applications including chemiluminescence emitters, materials for photon upconversion and for optoelectronic devices.
Albuquerque, Allampally, Ando, Babu, Bloom, Caturello, Cha, Chen, de Greef, Del Guerzo, Demeter, Desvergne, Ehrlich, Endo, Fabbrizzi, Fasina, Fasina, Fernández, Giménez, Guilleme, Hagiwara, Hong, Hu, Hunter, Hunter, Hur, Ikegami, Iwaura, Jiang, Jintoku, Kao, Kasha, Kato, Kimizuka, Kobayashi, Krische, Kulkarni, Kusukawa, Levitus, Li, Li, Liu, Luo, Malakar, Markvoort, Mitsui, Monguzzi, Monguzzi, Moorthy, Na, Nakashima, Nguyen, Niu, Patil, Prabhu, Rest, Rödle, Sagara, Sagara, Sagara, Sagara, Sagara, Samanta, Shklyarevskiy, Singh-Rachford, Su, Supur, Suzuki, Takaguchi, Takahashi, ten Eikelder, Valentini, Wang, Wang, Wang, Wegner, Wei, Wheeler, Würthner, Yamane, Yanai, Yoshizawa, Zhao, Zhao, Zhu, Řezáč   +85 more
core   +1 more source

Chemical profiling and mechanisms of Agarikon pill in a rat model of cigarette smoke-induced chronic obstructive pulmonary disease

Journal of Traditional and Complementary Medicine
Background and aim: Agarikon pill (AGKP), a traditional Chinese herbal formula, and has been used for chronic obstructive pulmonary disease (COPD) treatment clinically. However, the active components and exact pharmacological mechanisms are still unclear.
Aizaiti Keremu, Zulfiye Talat, Xueying Lu, Rahima Abdulla, Maidina Habasi, Haji Akber Aisa   +5 more
doaj   +1 more source