Mostrando 2,801 - 2,820 Resultados de 3,725 Para Buscar '"Stern"', tiempo de consulta: 0.30s Limitar resultados
  1. 2801
    por Li, Weiwei, Hu, Qin, Chan, Wan
    Publicado 2015
    “…An analysis of the spectrofluorometric data by a modified Stern−Volmer plot model also revealed that both aristolochic acid I (AAI) and aristolochic acid II (AAII) were bound to BSA and lysozyme in 1:1 stoichiometries. …”
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  2. 2802
    “…We selectively excited the fluorescence of tryptophan residues with 290 nm wavelength and observed the quenching by titrating HSA and BSA solutions with sulpiride. Stern-Volmer graphs were plotted and quenching constants were estimated. …”
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  3. 2803
    “…An integrated exploratory model representing the proposed relationship between villagers’ engagement in ECB/WMB and their determinants was created based on the integration of the theory of planned behavior (TPB), the Stern’s value belief norm (VBN) theory, environmental education and psychosocial characteristic perspectives. …”
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  4. 2804
    por Yuan, Shauna H., Wang, Sonya G.
    Publicado 2018
    “…Clinically, CTE is more commonly known to be associated with memory impairment and executive function disorder (Stern et al., 2013). However, here, we present two unique cases of prior professional football players where behavioral changes were the first identifying factors in clinical presentation and discuss possible neuroimaging options to help with CTE diagnosis. …”
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  5. 2805
    “…The saturation occurs in both the Stern layer, directly at the surface, and in the diffuse layer, yet for distinctly different reasons. …”
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  6. 2806
    “…To evaluate the binding affinities, the quenching constants were determined by the Stern–Volmer equation. A gallate ester at the C-3 position increased the quenching constants of the catechins. …”
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  7. 2807
    “…Data of HSA-NRF in the presence of EMFs between 1 Hz–1 MHz confirmed the results of quenching and blue shifts. Corresponding Stern-Volmer plots were also drawn and the resultant Ksv and kq values were compared. …”
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  8. 2808
    “…Furthermore, this was quantitatively confirmed by Stern–Volmer plots showing a linear quenching trend (R(2) = 0.9975) when comparing fluorescence intensities against increasing Cr(6+) concentrations (0.234–1.875 μM). …”
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  9. 2809
  10. 2810
    “…Photoluminescence titrations demonstrated that the PCaT and PCT had the high sensing ability toward Fe(3+) ions, with Stern–Volmer constants of 8.10 × 10(4) and 6.68 × 10(4) M(−1), respectively. …”
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  11. 2811
    “…Among these three complexes, 1 is found to be the best for the selective sensing of 2,4,6-trinitrophenol in water with a detection limit of (0.35 ± 0.05) ppm. Its Stern–Volmer constant, K(SV) [(5.48 ± 0.1) × 10(4) M(–1)], is one of the highest among similar sensors reported so far.…”
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  12. 2812
    por Deng, Hua, Yu, Hongtao
    Publicado 2019
    “…These fluorescence-quenching curves fit to a mathematical model with an exponential term due to molecular self-assembly on AgNP surface, or we termed it “self-assembly shielding effect”, and a Stern-Volmer term (nanoparticle surface enhanced quenching). …”
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  13. 2813
    “…Fluorescence quenching titrations revealed a complex behaviour, with Stern–Volmer constants in the order of 10(3)–10(4) Lmol(−1). …”
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  14. 2814
    “…Although the analysis of Stern–Volmer plots and computational studies imply that the quenching mechanism is a combination of both dynamic and static quenching, the latter is dominant over the earlier. …”
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  15. 2815
    por Kim, Allen
    Publicado 2020
    “…Contemporary fathers striving to emulate more engaged parenting sometimes wrestle with painful recollections of their own fathers’ stern, distant, and patriarchal approach. How do men reconcile their aspirations for their own development as parents when conflicted relationships with their fathers? …”
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  16. 2816
    “…This model was equipped with a propulsion system not commonly used on transport vessels (two azimuth stern thrusters and two bow tunnel thrusters), but providing excellent propulsion and steering characteristics. …”
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  17. 2817
    “…The fluorescence attenuation is stronger for dispersions with the lowest G/TA ratios, since TA is the main contributor to the quenching effect. Data obey the Stern–Volmer relationship up to TA 2.0 g L(−1) and G 20 mg L(−1). …”
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  18. 2818
    “…For low electrolyte concentrations, we show strong deviations from traditional Gouy–Chapman–Stern (GCS) behavior that appear to be independent of the nature of the electrolyte ions. …”
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  19. 2819
    “…Finally, fluorescence quenching of curcumin with hydrophobic cetyl-pyridinium bromide (CPB) and hydrophilic KI quenchers was established, where it was proved that curcumin is located near the hydrophobic pocket of the Stern layer of the PLGA micelle.…”
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  20. 2820
    “…Along with an updated mechanistic proposal for the Cr(III) driven catalytic cycle based on redox chemistry, Stern-Volmer analyses, UV/Vis/NIR spectroscopic and nanosecond laser flash photolysis studies, we demonstrate that the very weakly absorbing photocatalyst [Cr(tpe) ( 2 ) ] ( 3+ ) outcompetes [Cr(dmcbpy) ( 3 ) ] ( 3+ ) and even [Ru(bpz) ( 3 ) ] ( 2+ ) in particular at low catalyst loadings, which appears contradictory at first sight. …”
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