Results 1 to 10 of about 661,870 (283)

Spectroscopic Study of the Interaction Between TCNQ and Cryptand 222 in Chloroform Solution [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2005
The interaction between 4, 7, 13, 16, 21, 24 - hexaoxa-1,10 - diazabicyclo [8.8.8] hexacosane (C222) and 7,7,8,8- teracyanoquinodimethane (TCNQ) has been studied in chloroform at 25°C. The results indicate a two step mechanism.
Hamid Reza Pouretedal, Abolfazl Semnani
doaj  

Mechanosensing and anesthesia of single internodal cells of Chara

open access: yesPlant Signaling & Behavior
The giant (2–3 × 10−2 m long) internodal cells of the aquatic plant, Chara, exhibit a rapid (>100 × 10−6 m s−1) cyclic cytoplasmic streaming which stops in response to mechanical stimuli.
Manya J. Rodgers, Mark P. Staves
doaj   +1 more source

Synthesis and crystal structures of 2-bromo-1,3-dimethylimidazolium iodides

open access: yesActa Crystallographica Section E: Crystallographic Communications, 2018
Attempts at direct bromination of 1,3-dimethylimidazolium salts were futile. The title compounds, 2-bromo-1,3-dimethylimidazolium iodide chloroform 0.33-solvate, C5H8BrN2+·I−·0.33CHCl3, 2-bromo-1,3-dimethylimidazolium iodide dichloromethane hemisolvate ...
Martin Lampl   +5 more
doaj   +1 more source

A Study on Ajuga bracteosa wall ex. Benth for analgesic activity [PDF]

open access: yes, 2011
Ethnopharmacological relevance: Ajuga bracteosa wall ex. Benth (Labiatae) is traditionally used medicine in the treatment of malaria and gout. The plant is substitute of cinchona. Its allied species Ajuga Parviflora is also found sporadically.
Akriti Pal , RS Pawar, Int J Cur Bio Med Sci.
core  

Detection of solvents using a distributed fibre optic sensor [PDF]

open access: yes, 2003
A fibre optic sensor that is capable of distributed detection of liquid solvents is presented. Sensor interrogation using optical time domain reflectometry (OTDR) provides the capability of locating solvent spills to a precision of ±2 m over a total ...
A. MacLean   +8 more
core   +1 more source

Preparation of Poly-N-Methylpyrrole Coated Platinum Modified Electrode in Chloroform in the Presence of Various Supporting Electrolytes and Its Use for the Catalytic Oxidation of Ascorbic Acid and Hydroquinone [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2002
The electrochemical preparation of poly-N-methylpyrrole (PMPy) coated platinum electrode in chloroform in the presence of tetrabutylammonium Perchlorate, hexafluorophosphate, hydrogensulphate, Periodate and Iodide as supporting electrolytes was performed.
Jahanbakhsh Raoof   +2 more
doaj  

SELECTION OF EXTRACTIVE AGENTS FOR THE SEPARATION OF CHLOROFORM - METHANOL - TETRAHYDROFURAN MIXTURE

open access: yesТонкие химические технологии, 2018
Variants of the extractive distillation of chloroform - methanol - tetrahydrofuran equimolar mixture with industrial separating agents are considered.
V. M. Raeva, D. I. Sukhov
doaj   +1 more source

Strong evidence for negligible methyl chloroform (CH3CCl3) emissions from biomass burning [PDF]

open access: yes, 2007
With the phase-out of industrial methyl chloroform (MCF) production, the atmospheric burden of this ozone-depleting gas has rapidly declined. Therefore any non-industrial sources are taking on greater significance in the MCF budget.
Andersen, MPS   +5 more
core  

Kinetic Resolution in Asymmetric Epoxidation using Iminium Salt Catalysis [PDF]

open access: yes, 2013
The first reported examples of kinetic resolution in epoxidation reactions using iminium salt catalysis are described, providing up to 99% ee in the epoxidation of racemic cis ...
Allin, Steven M.   +7 more
core   +1 more source

Analyzing the Effect of Mixed Solvent Ratios on the Performance of P3HT: ICxA -Based Organic Solar Cells. [PDF]

open access: yesIranian Journal of Materials Science and Engineering
In this investigation, a formulation was developed as a solution and thin films by combining poly (3-hexylthiophene) (P3HT) and fullerene Indene-C60 multi-adducts (ICxA) with varying solvent ratios. The formulations were prepared under ambient conditions.
raghad hadi, Furqan Almyahi
doaj  

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