Zobrazeno 1 - 10
of 3 280
pro vyhledávání: '"titration curve"'
Publikováno v:
Open Chemistry, Vol 21, Iss 1, Pp 957-98 (2023)
In this report, the stoichiometric ratio (R) for the interaction of diphenylpicrylhydrazyl (DPPH) radicals with the antioxidant was employed as an evaluation index for the DPPH radical scavenging activity of antioxidants. This evaluation index was re
Externí odkaz:
https://doaj.org/article/ea9c5aa6f2144944aa5a6fefb9b2cd6f
Publikováno v:
Philosophical Transactions: Biological Sciences, 2000 Aug . 355(1400), 1043-1050.
Externí odkaz:
https://www.jstor.org/stable/3066835
Autor:
Denis O. Antonov, Daria P. Tambasova, Andrey B. Shishmakov, Igor A. Kirilyuk, Elena G. Kovaleva
Publikováno v:
Gels, Vol 7, Iss 3, p 119 (2021)
The binary xerogels TiO2-SiO2 are widely used as catalysts and their carriers in organic synthesis. Characterization and adjustment of the electrostatic properties of the surface and the local acidity inside the pores, are necessary for the further d
Externí odkaz:
https://doaj.org/article/99d6fb2696584797b9e59434364d19d3
Publikováno v:
Computation, Vol 9, Iss 5, p 55 (2021)
Thermodynamic equilibria and concentrations in thermodynamic equilibria are of major importance in chemistry, chemical engineering, physical chemistry, medicine etc. due to a vast spectrum of applications. E.g., concentrations in thermodynamic equili
Externí odkaz:
https://doaj.org/article/35f9a35edd9c4be880719de712541deb
Autor:
Smith Osorio, Jessica Lorena
The implementation of primary quantification methods in the National Metrology Institute of Colombia (INM) will allow the certification of reference materials (CRMs) required by Colombia's industrial and scientific fields. One of these materials is p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1326::8639042badea9c2a062f71ea077d8a35
https://repositorio.unal.edu.co/handle/unal/83952
https://repositorio.unal.edu.co/handle/unal/83952
Autor:
Sebastian Vogel, Eric Bönecke, Charlotte Kling, Eckart Kramer, Katrin Lück, Anne Nagel, Golo Philipp, Jörg Rühlmann, Ingmar Schröter, Robin Gebbers
Publikováno v:
Agronomy, Vol 10, Iss 6, p 877 (2020)
Despite being a natural soil-forming process, soil acidification is a major agronomic challenge under humid climate conditions, as soil acidity influences several yield-relevant soil properties. It can be counterbalanced by the regular application of
Externí odkaz:
https://doaj.org/article/0b7eb454840f430f840aec0f74af8129
Publikováno v:
World Journal of Chemical Education. 9:81-87
Although Volumetric Analysis is one of the most widely used analytical techniques, there is limited published work on the use of computer software for simulation. In the few reports found in the literature, simplifications are often made for data tre
Fast Fluorescence Titration Quantification of Plasmid DNA with DNA Attractive Magnetic Nanoparticles
Publikováno v:
Analytical Chemistry. 93:12854-12861
Fluorescence titration using magnetic nanoparticles (FTMN) was performed as a rapid, inexpensive, and simple method for quantifying the amount of fluorophore-intercalated plasmid DNA on these DNA attractive nanoparticles. Binding of the propidium iod
BUFFER SYSTEMS BASED ON AMINOMETANESULPHONATE AND MONOETHANOLAMMONIUM N-ALKYLAMINOMETHANESULPHONATES
Publikováno v:
Odesa National University Herald. Chemistry. 26:22-31
The limits of the pH buffering action (pHbuff) of YNHCH2SO3H – NH2CH2CH2OH –H2O (Y = H, CH3, HOCH2CH2, t-С4H9 and C6H5CH2) were determined and their buffer capacity (p) for monoethanolamine (MEA) was estimated in the temperature range 293–313