Results 301 to 310 of about 129,958 (357)

Spectroscopic and Molecular Docking Studies on the Influence of Inulin on the Interaction of Sophoricoside with Whey Protein Concentrate. [PDF]

Foods
Wang A, Xie M, Wu L.
europepmc   +1 more source

N-Doped carbon quantum dot-based ratiometric fluorescent nanosensor platforms for detection of gastric cancer-associated Helicobacter pylori genes. [PDF]

Mikrochim Acta
Öztürk D, Durmuş M.
europepmc   +1 more source

Human Serum Albumin and Human Serum Albumin Nanoparticles as Carriers of 10-(2'-Pyrimidyl)-3,6-diazaphenothiazine: In Vitro Spectroscopic Studies. [PDF]

Molecules
Owczarzy A, Kulig K, Morak-Młodawska B, Jeleń M, Muhammetoglu T, Rogóż W, Maciążek-Jurczyk M.   +6 more
europepmc   +1 more source

Photoredox/Nickel-Catalyzed Diastereoselective Allylation of Aldehydes with Morita-Baylis-Hillman Adducts. [PDF]

ACS Catal
Calogero F, Pinosa E, Gualandi A, Sensoli L, Dutta S, Maity B, Cavallo L, Fermi A, Ceroni P, Cozzi PG.   +9 more
europepmc   +1 more source

A Highly Efficient Fluorescent Turn-Off Nanosensor for Quantitative Detection of Teicoplanin Antibiotic from Humans, Food, and Water Based on the Electron Transfer between Imprinted Quantum Dots and the Five-Membered Cyclic Boronate Esters. [PDF]

Molecules
Zhang Y, Li D, Tian X.
europepmc   +1 more source

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Static cooperative luminescence quenching in nanoparticles

Journal of Luminescence, 2014
Abstract In nanoparticles (NPs) static quenching of luminescence may be slower than in bulk media due to the space restrictions on acceptor location. Many-body cooperative quenching (manifesting itself as, e.g., down-conversion) occurs when the donor energy is transferred to two-, three-, or more particles (a cooperative acceptor) at once.
Tasoltan T. Basiev, Irina Basieva
openaire   +2 more sources

Static quenching of tryptophan fluorescence by oxidized dithiothreitol

Biochemical and Biophysical Research Communications, 1989
The quenching of fluorescence of 5-methoxyindole, N-acetyl-L-tryptophanamide and two single tryptophan containing peptides, melittin and mastoparan X, by oxidized dithiothreitol was studied. The slopes of the Stern-Volmer plots for steady-state fluorescence quenching were 133 M-1, 71.2 M-1, 75.5 M-1 and 35.0 M-1 at 21 degrees C and pH 7.0 for 5 ...
Elizabeth K. Brady, Faith M. Thompson, Enoch Kim, Gautam Sanyal   +3 more
openaire   +3 more sources

Applications of the Static Quenching of Rhodamine B by Carbon Nanotubes

ChemPhysChem, 2009
AbstractWe report here on the interaction of the fluorescent dye rhodamine B (RB) with single‐walled carbon nanotubes (SWCNTs). We observe that SWCNTs statically quench the fluorescence of RB by forming a stable ground state complex. Careful spectroscopic analysis indicates that the complex formation is efficient mainly with certain chiral forms.
Ashraf Ahmad, Kannan Balasubramanian, Tetiana Kurkina, Klaus Kern, Klaus Kern   +4 more
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Size of Micelles Determined by Static Fluorescence Quenching

Journal of the Chinese Chemical Society, 1991
AbstractWe developed a new method to measure the average aggregation number of large rod‐like micelles using static fluorescence self‐quenching of a solubilized fluorophore. The method is based on the increase of self‐quenching of micelle‐solubilized pyrene through excimer formation.
Chung-Yuan Mou, Jin-Ming Chen, Jiann-Jong Jeng   +2 more
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Static and dynamic quenching of luminescent species in polymer media

Journal of Fluorescence, 1994
A method developed for quantitative determination of static and dynamic contributions to luminescence quenching is applied to Ru(II) complexes in polymer matrices (silica gel and polystyrene), quenched by oxygen. This method is based on both intensity and lifetime quenching experiments.
Max E. Lippitsch, Paul Hartmann, Paul Hartmann, Marc J.P. Leiner   +3 more
openaire   +3 more sources