Results 91 to 100 of about 5,893 (200)

SOLVENT EFFECT ON THE PHOTOOXIDATION OF AMODIAQUINE WITH SINGLET MOLECULAR OXYGEN

Vitae, 2009
The use of Amodiaquine (AQ) in the treatment and prevention of the malaria, cause adverse effects in tissue exposed to the light; previous investigations relate these nocive effects to the capacity of this drug to generate active species of oxygen as ...
Adriana M. SOTO Z., Gloria C. VALENCIA U., Mariluz GIL   +2 more
doaj  

Spectral Characteristics of the He I D3 Line in a Quiescent Prominence Observed by THEMIS

, 2017
We analyze the observations of a quiescent prominence acquired by the Telescope Heliographique pour l'Etude du Magnetisme et des Instabilites Solaires (THEMIS) in the He I 5876 A (He I D3) multiplet aiming to measure the spectral characteristics of the ...
Ariste, A. López, Gömöry, P., Koza, J., Kozák, M., Rybák, J.   +4 more
core   +3 more sources

A Study on Retention of a Series of Aromatic Compounds in Mixed Micellar Liquid Chromatography Using Linear Solvation Energy Relationship (LSER) [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2006
The effect of SDS (0.03-0.07 M) and Brij-35(0-0.003 M) concentrations and temperature on retention parameters of 30 solutes in micellar reversed- phase liquid chromatography systems were studied using solvation parameter model.
Mohammad Reza Hadjmohammadi, Mitra Rezaie   +1 more
doaj  

Homologous Helical Jets: Observations by IRIS, SDO and Hinode and Magnetic Modeling with Data-Driven Simulations

, 2015
We report on observations of recurrent jets by instruments onboard the Interface Region Imaging Spectrograph (IRIS), Solar Dynamics Observatory (SDO) and Hinode spacecrafts.
Boerner, P., Carlsson, M., Cheung, Mark C. M., De Pontieu, B., Fu, Y., Golub, L., Hansteen, V., Hurlburt, N., Jaeggli, S., Kankelborg, C., Kleint, L., Lemen, J., Martinez-Sykora, J., McKillop, S., Reeves, K. K., Saar, S., Tarbell, T. D., Testa, P., Tian, H., Title, A. M., Wuelser, J. P.   +20 more
core   +1 more source

Chromo- and fluorophoric water-soluble polymers and silica particles by nucleophilic substitution reaction of poly(vinyl amine)

Beilstein Journal of Organic Chemistry, 2010
Novel chromophoric and fluorescent carbonitrile-functionalized poly(vinyl amine) (PVAm) and PVAm/silica particles were synthesized by means of nucleophilic aromatic substitution of 8-oxo-8H-acenaphtho[1,2-b]pyrrol-9-carbonitrile (1) with PVAm in water ...
Katja Hofmann, Ingolf Kahle, Frank Simon, Stefan Spange   +3 more
doaj   +1 more source

Solvent effect on electronic absorption spectra of some N-aryl substituted dodekanamides

Macedonian Journal of Chemistry and Chemical Engineering, 2006
A series of N-aryl substituted dodekanamides were synthesized using the reaction of fatty acid chloride (lauroylchloride) with p-substituted aromatic amines in the presence of triethylamine as an organic base and dioxane as a solvent. The structures of N-
Viktorija Stamatovska, Vesna Dimova, Katica Čolančevska-Ragenoviќ   +2 more
doaj  

Synthesis, solvatochromism, electronic structure and nonlinear optic properties of quinolin-8-yl 2-hydroxybenzoate

Macedonian Journal of Chemistry and Chemical Engineering, 2018
Quinolin-8-yl-2-hydroxybenzoate (abbreviated as QHB) was synthesized and investigated both experimentally and theoretically to obtain its physical and electronic properties.
Ayşegül Gümüş, Yadigar Gülseven Sıdır, İsa Sıdır, Selçuk Gümüş   +3 more
doaj   +1 more source

The effect of a one-time 15-minute guided meditation (Isha Kriya) on stress and mood disturbances among operating room professionals: a prospective interventional pilot study [version 1; peer review: 2 approved]

F1000Research, 2019
Background: Operating room professionals are exposed to high levels of stress and burnout. Besides affecting the individual, it can compromise patient safety and quality of care as well.
Valluvan Rangasamy, Ammu Thampi Susheela, Ariel Mueller, Tracy F. H. Chang, Senthilkumar Sadhasivam, Balachundhar Subramaniam   +5 more
doaj   +1 more source

The Unpredictability of the Most Energetic Solar Events

, 2007
Observations over the past two solar cycles show a highly irregular pattern of occurrence for major solar flares, gamma-ray events, and solar energetic particle (SEP) fluences.
Hugh S. Hudson, Reames D. V., Reedy R. C., Shih A. Y.   +3 more
core   +1 more source

Spatial and Time-Reversal Diversity Aided Least-Symbol-Error-Rate Turbo Receiver for Underwater Acoustic Communications

IEEE Access, 2018
In this paper we propose a new type of receiver for underwater acoustic communication. The proposed receiver has the following features: 1) It has a turbo structure with an embedded adaptive decision feedback equalizer (DFE), which is based on the least ...
Lijun Xu, Xiaohui Zhong, Hua Yu, Fangjiong Chen, Fei Ji, Shefeng Yan   +5 more
doaj   +1 more source