Academic literature on the topic 'Molar extinction coefficient'

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Journal articles on the topic "Molar extinction coefficient"

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Alrahili, M. "Beyond Extinction Efficiencies to Molar Extinction Coefficient of Silver Nanoparticles." Russian Journal of Physical Chemistry B 18, no. 1 (2024): 343–56. http://dx.doi.org/10.1134/s1990793124020039.

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Himstedt, Rasmus, Dominik Hinrichs, and Dirk Dorfs. "Extinction Coefficient of Plasmonic Nickel Sulfide Nanocrystals and Gold-Nickel Sulfide Core-Shell Nanoparticles." Zeitschrift für Physikalische Chemie 233, no. 1 (2018): 3–14. http://dx.doi.org/10.1515/zpch-2018-1165.

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Abstract In the presented work, the molar extinction coefficient of plasmonic heazlewoodite (Ni3S2) nanoparticles and Au-Ni3S2 core-shell nanoparticles is determined for the first time. The results are compared to analogously determined extinction coefficients of pure Au nanocrystals (NCs), which themselves correlate very well with existing literature on the subject. The measured extinction coefficients at the localized surface plasmon resonance (LSPR) maximum wavelength of nickel sulfide particles are similar to the values of equally sized Au NCs. Therefore, considering the lower cost of the
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Schöppler, Friedrich, Christoph Mann, Tilman C. Hain, et al. "Molar Extinction Coefficient of Single-Wall Carbon Nanotubes." Journal of Physical Chemistry C 115, no. 30 (2011): 14682–86. http://dx.doi.org/10.1021/jp205289h.

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Cataldo, Franco, Susana Iglesias-Groth, and Arturo Manchado. "Molar extinction coefficient of fullerenes and related hydrogenated derivatives “fulleranes”." Proceedings of the International Astronomical Union 7, S283 (2011): 324–25. http://dx.doi.org/10.1017/s1743921312011246.

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AbstractFullerenes, the carbon molecules with 60 and 70 atoms, were recently detected in a series of planetary nebulae, in protoplanetary nebulae and in other astrophysical objects. The detection and the quantitative determination of these molecules was made possible by the measurement of their reference infrared spectra and the relative molar extinction coefficients and integrated molar absorptivity on laboratory scale. It is expected that also fulleranes the hydrogenated derivatives of C60 and C70 may be present in the same objects where fullerenes were detected. This prompted us to synthesi
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Cataldo, Franco, Susana Iglesias-Groth, D. Anibal Garcia-Hernandez, and Arturo Manchado. "Determination of the Integrated Molar Absorptivity and Molar Extinction Coefficient of Hydrogenated Fullerenes." Fullerenes, Nanotubes and Carbon Nanostructures 21, no. 5 (2013): 417–28. http://dx.doi.org/10.1080/1536383x.2011.629756.

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Zhong, Ruibo, Ming Yuan, Haiyang Gao, et al. "A subtle calculation method for nanoparticle’s molar extinction coefficient: The gift from discrete protein-nanoparticle system on agarose gel electrophoresis." Functional Materials Letters 09, no. 02 (2016): 1650029. http://dx.doi.org/10.1142/s1793604716500296.

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Discrete biomolecule-nanoparticle (NP) conjugates play paramount roles in nanofabrication, in which the key is to get the precise molar extinction coefficient of NPs. By making best use of the gift from a specific separation phenomenon of agarose gel electrophoresis (GE), amphiphilic polymer coated NP with exact number of bovine serum albumin (BSA) proteins can be extracted and further experimentally employed to precisely calculate the molar extinction coefficient of the NPs. This method could further benefit the evaluation and extraction of any other dual-component NP-containing bio-conjugate
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Schaub, Jeffrey M., Quinn A. Best, Cheng Zhao, Richard A. Haack, and Qiaoqiao Ruan. "Molar extinction coefficient estimation of dyes from three biophysical techniques." Biophysical Journal 123, no. 3 (2024): 141a. http://dx.doi.org/10.1016/j.bpj.2023.11.978.

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Suranjita, Ghosh, Pal Chaudhury (Mukhopadhyay) S., and R. Das H. "Extraction and spectrophotometric determination of palladium(II) and rhodium(III) using bis(indole-3-aldehydo )thiocarbohydrazone as new sensitive and selective complexing agent." Journal of Indian Chemical Society Vol. 76, Sep 1999 (1999): 463–64. https://doi.org/10.5281/zenodo.5852705.

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Department of Chemistry, Department of Geology, Presidency College, Calcutta-700 073, India <em>Manuscript received 28 November 1997, revised 23 April 1999, accepted 9 May 1999</em> Bis(indole-3-aldehydo)thiocarbohydrazone (BIATCH) reacts with Pd<sup>II</sup> and Rh<sup>II</sup> forming coloured complexes (&lambda;<sub>max</sub>, 385 nm in ethyl acetate). In the presence of moderate excess of diverse ions both Pd and Rh can be determined with BIATCH. The molar extinction coefficient and Sandell&#39;s sensitivity values for both complexes have been evaluated.
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Abkhalimov, Evgeny, Vadim Ershov, and Boris Ershov. "Determination of the Concentration of Silver Atoms in Hydrosol Nanoparticles." Nanomaterials 12, no. 18 (2022): 3091. http://dx.doi.org/10.3390/nano12183091.

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In this work, we propose a new method for determining the concentration of silver atoms in hydrosols of nanoparticles (NPs) stabilized with various capping agents. The proposed method is based on the determination of IBT absorption in the UV region (a broad band with a weakly pronounced shoulder at ~250 nm). To determine the extinction coefficient at 250 nm, we synthesized silver nanoparticles with average sizes of 5, 10, and 25 nm, respectively. The prepared nanoparticles were characterized by TEM, HRTEM, electron diffraction, XRD, DLS, and UV–Vis spectroscopy. It has been shown that the abso
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Dai, Quanqin, Yingnan Wang, Xinbi Li, et al. "Size-Dependent Composition and Molar Extinction Coefficient of PbSe Semiconductor Nanocrystals." ACS Nano 3, no. 6 (2009): 1518–24. http://dx.doi.org/10.1021/nn9001616.

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Book chapters on the topic "Molar extinction coefficient"

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Alam, M. K. "Smart Nanomaterials and Their Applications." In Emerging Nanomaterials and Their Impact on Society in the 21st Century. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902172-5.

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Nanomaterials are one of the most amazing creations of human civilization because of their unprecedented potential. These materials are eminent to own excellent electrical, thermal, optical, strong mechanical strength, and catalytic properties. Gadgets or sensors made of nanoparticles are used to determine harmful substances or contaminants of the environment as well as have human biomedical health applications. They have drawn significant attention in the medical sector for possessing remarkable reactivity, extraordinary molar-extinction coefficient, specificity, long-lasting stability, and s
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Taouli, A., and W. Reschetilowski. "Comparative study of MCM-41 acidity by using the integrated molar extinction coefficients for infrared absorption bands of adsorbed ammonia." In Studies in Surface Science and Catalysis. Elsevier, 2002. http://dx.doi.org/10.1016/s0167-2991(02)80295-6.

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Taouli, A., A. Klemt, M. Breede, and W. Reschetilowski. "Acidity investigations and determination of integrated molar extinction coefficients for infrared absorption bands of ammonia adsorbed on acidic sites of MCM-41." In Studies in Surface Science and Catalysis. Elsevier, 1999. http://dx.doi.org/10.1016/s0167-2991(99)80228-6.

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Conference papers on the topic "Molar extinction coefficient"

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Sildoja, Meelis-Mait, Juri Pahapill, Charles W. Stark, and Aleks K. Rebane. "Determining molar extinction coefficient by high-accuracy optical saturation measurements." In Nonlinear Optics and its Applications 2024, edited by Anna C. Peacock, Giovanna Tissoni, John M. Dudley, and Birgit Stiller. SPIE, 2024. http://dx.doi.org/10.1117/12.3017221.

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Singh, Mohinder, Akash Tondon, B. S. Sandhu, and Bhajan Singh. "Molar extinction coefficient of organic compounds as a function of effective atomic number." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5033304.

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Snyder, Patricia Ann. "High Resolution Circular Dichroism Spectroscopy in the Vacuum Ultraviolet." In Free-Electron Laser Applications in the Ultraviolet. Optica Publishing Group, 1988. http://dx.doi.org/10.1364/fel.1988.fa2.

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Molecules which absorb different amounts of left and right circularly polarized light can be studied by a type of absorption spectroscopy called circular dichroism. Circular dichroism is the difference in absorption for left and right circularly polarized light expressed as absorbance (AL-AR) or molar extinction coefficient (εL-εR), as a function of wavelength.
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Wu, Yiting, Weitong Xiao, Jingyang Chen, and Weiling Luan. "BODIPY as a Photosensitizer for Photodynamic Therapy: Mechanisms, Functionalization, and Future Prospects." In 6th International Conference on Structural Health Monitoring and Integrity Management, 8 - 10 November 2024, Zhengzhou. NDT.net, 2025. https://doi.org/10.58286/30976.

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Photodynamic therapy (PDT) has the advantages of strong targeting, few side effects, and little damage to normal tissues, which is considered as a high-quality new non-invasive treatment for cancer treatment. Photosensitizer (PSs), molecular oxygen and light are the three main components of PDT. Boron-dipyrromethene (BODIPY) is a widely used organic fluorescent dye, and its core structure is composed of a central boron atom (B) and two pyrrole rings connected by a methylene bridge. The eight active sites on the parent nucleus allow for a variety of functionalization modifications: positions 2,
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Hale, Jeffrey S., James N. Hilfiker, and John A. Woollam. "Optical Constants of Electrochromic WO3 Determined by Variable Angle Spectroscopic Ellipsometry." In Optical Interference Coatings. Optica Publishing Group, 1995. http://dx.doi.org/10.1364/oic.1995.wb12.

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Variable angle spectroscopic ellipsometry (VASE) was used to measure the optical constants and thickness of electrochromic WO3 films with various intercalation levels. The films were deposited by RF magnetron sputtering to thickness between 800nm and 2000nm. The substrates were quartz with electrode layers of optically thin Al or ITO. Li+ ions were inserted into the films by applying a negative voltage to the substrate electrode (Al or ITO) relative to a counter electrode, a gold wire, in a Li+ containing electrolyte. This electrolyte was a 0.5 molar solution of LiClo4 in propylene carbonate.
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