Results 31 to 40 of about 759,951 (375)

Bacterial DNA Extraction Using Individual Enzymes and Phenol/Chloroform Separation†

open access: yesJournal of Microbiology & Biology Education, 2017
Marmur (4) developed one of the first detailed comprehensive methods for purifying bacterial DNA. This procedure is now outdated, and can be difficult to follow for those with limited experience in molecular biology.
M. H. Wright, Joseph Adelskov, A. Greene
semanticscholar   +1 more source

Study of the antibacterial activity of total extract and Petroleum ether, chloroform, ethyl acetate and aqueous fractions of aerial parts of heliotropium bacciferum against staphylococcus aureus, Bacillus cereus, Pseudomonas aeruginosa, E.coli, Salmonella enteritidis [PDF]

open access: yes, 2014
Heliotropium bacciferum is One of the plants belonging to the family Boraginaceae , which is Restricted distribution in the south of Iran. It is used for Hypotension, fever, stomach ulcers in traditional medicine. In this study, the antibacterial effects
Asgarpanah, J.   +5 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  

In situ analysis of solvent/nonsolvent exchange and phase separation processes during the membrane formation of polylactides [PDF]

open access: yes, 1996
Membrane formation of polylactides has been studied using in situ analysis techniques. An experimental method based on the use of dark ground optics and reflected light illumination is used to monitor the mass transfer and phase separation dynamics ...
Berg, J.W.A. van den   +4 more
core   +3 more sources

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

Direct iminization of PEEK [PDF]

open access: yes, 2011
Semi-crystalline poly(ether ketone)s are important high-temperature engineering thermoplastics, but are difficult to characterize at the molecular level because of their insolubility in conventional organic solvents.
Attwood T. E.   +17 more
core   +1 more source

Evaluation of Rumex hastatus D. Don for cytotoxic potential against HeLa and NIH/3T3 cell lines: chemical characterization of chloroform fraction and identification of bioactive compounds

open access: yesBMC Complementary and Alternative Medicine, 2016
BackgroundThe importance of Rumex genus and the renowned ethnopharmacological and biological potentials of Rumex hastatus is evident from the previous reports. Recently the R.
Sajjad Ahmad   +5 more
semanticscholar   +1 more source

The room temperature preservation of filtered environmental DNA samples and assimilation into a phenol–chloroform–isoamyl alcohol DNA extraction

open access: yesMolecular Ecology Resources, 2014
Current research targeting filtered macrobial environmental DNA (eDNA) often relies upon cold ambient temperatures at various stages, including the transport of water samples from the field to the laboratory and the storage of water and/or filtered ...
M. Renshaw   +4 more
semanticscholar   +1 more source

EVALUATING AND IMPROVING THE EFFICIENCY OF THE USE OF ACTIVATED CARBONS FOR THE EXTRACTION OF ORGANOCHLORINE COMPOUNDS IN WATER TREATMENT TECHNOLOGY

open access: yesFoods and Raw Materials, 2016
Removing small amounts of organochlorine compounds from aqueous solutions is important for the water treatment and wastewater treatment. Sorption methods with the use of carbon sorbents proved to be very successful in some cases.
Kirsanov M.P., Shishkin V.V.
doaj   +1 more source

Structural Dynamics of Chloromethanes through Computational Spectroscopy: Combining INS and DFT

open access: yesMolecules, 2022
In this work, the structural dynamics of the chloromethanes CCl4, CHCl3 and CH2Cl2 were evaluated through a computational spectroscopy approach by comparing experimental inelastic neutron scattering (INS) spectra with the corresponding simulated spectra ...
Mariela M. Nolasco   +4 more
doaj   +1 more source

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