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Journal articles on the topic 'Spectral Properties of Na2SeO4'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Rasdan, Karan, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.840612.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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2

Keesee, Mary M., Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.844174.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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3

Ansley, Pamela Clarkson, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.845543.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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4

Schmitz, Ronald David, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.848489.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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5

Strassman, Karen Mie, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.841380.

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Magnesium gluconate is an organometallic pharmaceutical/nutraceutical used for the prevention and treatment of various diseases caused by the low level of magnesium. The aim of the present study was to investigate the influence of The Trivedi Effect® - Energy of Consciousness Healing Treatment (Biofield Energy Healing) on the physicochemical, thermal, structural, and behavioral properties of magnesium gluconate using powder PXRD, PSD, FT-IR, UV-visible, TGA, and DSC analysis. Magnesium gluconate was divided into two parts - one part was denoted as the control, while the another part was treate

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Nykvist, Cathryn Dawn, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.822539.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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7

Vincent, Dianne Heather, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.834413.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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8

Konersman, Douglas Jay, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.835638.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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9

Feeney, Elizabeth Ann, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.836591.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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10

Prague, Jay Anthony, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.837939.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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11

Starodub, Joanne Lydia, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.839081.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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12

Mayne, Maire Anne, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.843619.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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13

Sodomora, Sharyn Marie, Mahendra Kumar Trivedi, Gopal Nayak, Alice Branton, and Dahryn Trivedi. "Evaluation of the Physicochemical, Spectral, and Thermal Properties of Sodium Selenate Treated with the Energy of Consciousness (The Trivedi Effect®)." Advances in Bioscience and Bioengineering 5, no. 1 (2017): 12–21. https://doi.org/10.5281/zenodo.852380.

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Sodium selenate is a common ingredient in nutraceuticals/pharmaceuticals as a source of selenium. The objective of the current study was to evaluate the impact of The Trivedi Effect® - Energy of Consciousness (Biofield Energy Healing) on the physicochemical, spectral, and thermal properties of The Trivedi Effect® Treated sodium selenate using various analytical methods such as PXRD, PSD, FT-IR, UV-vis, DSC, and TGA. Sodium selenate was divided into two parts. One part was denoted as the control, while the other part was defined as The Trivedi Effect® - Biofield Energy Treated sample, which rec

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14

Hafrén, Jonas, Erik Nelsson, Hans C. Gerritsen, and Arjen N. Bader. "Optical properties of thermomechanical pulp (TMP) obtained from sulfite-pretreated Norway spruce with focus on two-photon spectral imaging (TPSI)." Holzforschung 66, no. 7 (2012): 817–24. http://dx.doi.org/10.1515/hf-2011-0184.

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Abstract Chips of Norway spruce have been impregnated with Na2SO3 and refined at two specific energy consumptions levels at full mill scale. The optical properties of thermomechanical pulps (TMPs) obtained were analyzed in terms of brightness, light scattering, opacity, and autofluorescence by spectral imaging. Even at low sulfite dosage (0.24% sulfite by dry weight) light absorption was reduced, and the brightness was elevated, and a clear dose-response effect was observed. Two-photon spectral imaging (TPSI) showed that sulfonation, impregnation, and refining affect the fluorescence propertie

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15

Leskevicienė, Violeta, and Dalia Nizevicienė. "Influence of the setting activators on the physical mechanical properties of phosphoanhydrite." Chemical Industry and Chemical Engineering Quarterly 20, no. 2 (2014): 233–40. http://dx.doi.org/10.2298/ciceq121127004l.

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Phosphoanhydrite was obtained by processing dihydrate phosphogypsum generated during phosphoric acid production at Joint Stock Company (JSC) Lifosa (Lithuania). The influence on the properties of phosphoanhydrite of the treament process? parameters was determined, including the conditions of phosphogypsum neutralisation in the lime suspension; temperature and duration of calcination of neutralized phosphogypsum to phosphoanhydrite; fineness of ground anhydrite; selection of additives activating the hydration of anhydrite and their amounts. Upon adding activators of anhydrite hydration, K2SO4 o

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Quispe-Quispe, Arturo, Franklin Lozano, Luz María Pinche-Gonzales, and Fulgencio Vilcanqui-Perez. "Evaluation of Alpaca Yarns Dyed with Buddleja Coriaceous Dye and Metallic Mordants." Fibers 13, no. 1 (2024): 2. https://doi.org/10.3390/fib13010002.

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The objective of this research was to evaluate the effect of dye obtained from Buddleja coriacea and metallic mordants on the chromatic properties, textile characteristics, spectral profiles, and color stability in alpaca fibers. The dye extraction technique involved boiling in an aqueous solution, followed by filtration. Subsequently, alpaca yarns were dyed using the resulting extract following a standard protocol. The applied mordants included sodium sulfate (Na2SO4), aluminum sulfate and potassium dodecahydrate (KAl(SO4)2·12H2O), and oxalic acid (C2H2O4). Spectroscopy UV-Vis and FTIR spectr

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Biryukov, Alexander A., Ekaterina Gotovtseva, and Valery Svetlichnyi. "Spectral-Luminescence Properties of Water Dispersions of CdS and Ag Nanoparticles Stabilized with Na₂SiO₃." Key Engineering Materials 683 (February 2016): 325–30. http://dx.doi.org/10.4028/www.scientific.net/kem.683.325.

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It was shown, that using of sodium metasilicate (Na2SiO3) as stabilizing agent for CdS quantum dots or Ag nanoparticles in water leads to the formation of stable colloids of CdS/SiO32- and Ag/SiO32- particles. These colloids are active in the visible range of the spectrum. According to TEM and UV-visible spectroscopy data, an average size of the particles in colloids was ∼ 5 nm for CdS and 2-10 nm for Ag. Ag/SiO32- water colloids showed an absorption band with a maximum at 380-410 nm. This band belonged to surface plasmon resonance. CdS/SiO32- water dispersions were characterized by luminescen

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Michailoudi, Georgia, Jack J. Lin, Hayato Yuzawa, et al. "Aqueous-phase behavior of glyoxal and methylglyoxal observed with carbon and oxygen K-edge X-ray absorption spectroscopy." Atmospheric Chemistry and Physics 21, no. 4 (2021): 2881–94. http://dx.doi.org/10.5194/acp-21-2881-2021.

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Abstract. Glyoxal (CHOCHO) and methylglyoxal (CH3C(O)CHO) are well-known components of atmospheric particles and their properties can impact atmospheric chemistry and cloud formation. To get information on their hydration states in aqueous solutions and how they are affected by the addition of inorganic salts (sodium chloride (NaCl) and sodium sulfate (Na2SO4)), we applied carbon and oxygen K-edge X-ray absorption spectroscopy (XAS) in transmission mode. The recorded C K-edge spectra show that glyoxal is completely hydrated in the dilute aqueous solutions, in line with previous studies. For me

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Panov, Denis Aleksandrovich, Andrew Moiseevich Katsev, and Aleksandr Vladimirovich Omel'chenko. "SYNTHESIS AND PROPERTIES OF SELENIUM NANOPARTICLES IN NATURAL POLYSACCHARIDES MATRIX." chemistry of plant raw material, no. 1 (March 10, 2022): 81–91. http://dx.doi.org/10.14258/jcprm.2022019275.

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Selenium nanoparticles were obtained by reduction of sodium selenite in aqueous solutions of nonstoichiometric alginate-chitosan polyelectrolyte complexes. Amorphous red nanosized selenium, formed as a result of the reaction, were characterized by maximum absorption at 256 nm. The process of formation and morphological characteristics of them were studied at different mass ratio of the components in the selenium-polysaccharide complex (in the range from 0.01 to 0.10). The morphological, dimensional, and spectral characteristics of obtained selenium nanoparticles were determined by transmission

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Panov, Denis Aleksandrovich, Andrew Moiseevich Katsev, and Aleksandr Vladimirovich Omel'chenko. "SYNTHESIS AND PROPERTIES OF SELENIUM NANOPARTICLES IN NATURAL POLYSACCHARIDES MATRIX." chemistry of plant raw material, no. 1 (March 10, 2022): 81–91. http://dx.doi.org/10.14258/jcprm.2022019275.

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Selenium nanoparticles were obtained by reduction of sodium selenite in aqueous solutions of nonstoichiometric alginate-chitosan polyelectrolyte complexes. Amorphous red nanosized selenium, formed as a result of the reaction, were characterized by maximum absorption at 256 nm. The process of formation and morphological characteristics of them were studied at different mass ratio of the components in the selenium-polysaccharide complex (in the range from 0.01 to 0.10). The morphological, dimensional, and spectral characteristics of obtained selenium nanoparticles were determined by transmission

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21

GLOTOVA, I. A., N. A. GALOCHKINA, V. F. SELEMENEV, O. V. PEREGONCHAYA, and S. A. SOKOLOVA. "IR-SPECTROSCOPIC STUDY OF IMMOBILIZATION OF SELENIUM COMPOUNDS ON BIOMODIFIED COLLAGEN." Periódico Tchê Química 16, no. 33 (2019): 159–68. http://dx.doi.org/10.52571/ptq.v16.n33.2019.174_periodico33_pgs_159_168.pdf.

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The aim of the work was to research the spectral characteristics of collagen substances bioengineered by using complex collagenolytic proteases preparation obtained before and after the immobilization of selenium compounds in acidic and alkaline media and to comparate the degree of interaction of selenium preparations with collagen matrix upon immobilization and its influence on the conformation of protein molecules. The results of the immobilization of selenium preparations on biomodified collagen by the IR spectroscopy method are presented, analyzed, and discussed. Biomodified collagen was o

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Rudysh, M. Ya, B. V. Andriyevsky, P. A. Shchepanskyi, et al. "Optical refractive properties and phonon spectra of Na2SO4 single crystal." Optical Materials 166 (September 2025): 117228. https://doi.org/10.1016/j.optmat.2025.117228.

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Renger, G., HJ Eckert, A. Bergmann, et al. "Fluorescence and Spectroscopic Studies of Exciton Trapping and Electron Transfer in Photosystem II of Higher Plants." Functional Plant Biology 22, no. 2 (1995): 167. http://dx.doi.org/10.1071/pp9950167.

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Measurements of time-resolved fluorescence decay, laser-flash-induced absorption changes in the UV and at 820 nm and of the relative fluorescence quantum yield in different preparations (thylakoids, photosystem II (PSII) membrane fragments and PSII core complexes) from spinach led to a number of conclusions. (1) Light is transformed into Gibbs energy with trapping times of 250 ps and 130 ps in open reaction centres of PSII membrane fragments and PSII core complexes, respectively. Assuming rapid Boltzmann distribution of excitation energy and taking into account the antenna properties (size and

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Vlaev, L. T., M. M. Nikolova, and G. G. Gospodinov. "Electrotransport properties of ions in aqueous solutions of H2SeO4 and Na2SeO4." Journal of Structural Chemistry 46, no. 4 (2005): 633–40. http://dx.doi.org/10.1007/s10947-006-0181-3.

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May, Marie, Solange Debrus, Julien Venturini, Gérard Vuye, Jan Baran, and Henryk Ratajczak. "Second-order non-linear optical properties of Na2SeO4·H2SeO3·H2O crystal." Journal of Molecular Structure 436-437 (December 1997): 327–37. http://dx.doi.org/10.1016/s0022-2860(97)00113-0.

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Mička, Zdeněk, Bohumil Kratochvíl, Jana Podlahová, and Lauri Niinistö. "Preparation and solubility of sodium hydrogenselenites. Thermoanalytical properties, infrared spectra and crystal data of NaH7(SeO3)4." Collection of Czechoslovak Chemical Communications 50, no. 6 (1985): 1368–75. http://dx.doi.org/10.1135/cccc19851368.

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The solubility diagram was studied at 25 °C for the Na2SeO3-H2SeO3-H2O system. On the basis of the solubility study, the conditions for the preparation of the hydrogenselenites, NaHSeO3, NaH3(SeO3)2 and NaH7(SeO3)4, were refined. For the compound, NaH7(SeO3)4, the infrared spectrum was measured, the crystal data were determined and a mechanism of thermal decomposition was proposed on the basis of the results of the study of the thermoanalytical properties of the compound.

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Hakim, Luthfi, Ragil Widyorini, Widyanto Dwi Nugroho, and Tibertius Agus Prayitno. "Performance of Citric Acid-Bonded Oriented Board from Modified Fibrovascular Bundle of Salacca (Salacca zalacca (Gaertn.) Voss) Frond." Polymers 13, no. 23 (2021): 4090. http://dx.doi.org/10.3390/polym13234090.

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The fibrovascular bundle (FVB) in palm plants consists of fiber and vascular tissue. Geometrically, it is a long fiber that can be used as an oriented board raw material. This research aimed to examine the performance of citric acid-bonded orientation boards from modified FVB salacca frond under NaOH + Na2SO3 treatment and the bonding mechanism between the modified FVB frond and citric acid. The results showed that changes in the chemical composition of FVB have a positive effect on the contact angle and increase the cellulose crystallinity index. Furthermore, the mechanical properties of the

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Song, Shengpeng, Chuanyuan Liu, Wentao Chen, et al. "The Influence of Nano-Silicon Carbide on the Properties of Aluminum Alloy Under Salt Dry–Wet Alternations." Coatings 14, no. 11 (2024): 1472. http://dx.doi.org/10.3390/coatings14111472.

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In this study, the influence of silicon carbide on an aluminum alloy’s yield tensile strength, ultimate tensile strength, compressive strength, tensile toughness and impact toughness were investigated. Meanwhile, the aluminum alloy specimens were exposed to the dry–wet alternations with a 3% NaCl solution or 3% Na2SO4 solution. Scanning electron microscope (SEM) photos and scanning electron microscopy energy spectra (SEM-EDS) were obtained. The results indicate that the silicon carbide with a mass ratio of 0%~8% of the total mass of the aluminum alloy can increase the yield tensile strength, t

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Onutai, Sujitra, Takeshi Osugi, and Tomoyuki Sone. "Alumino-Silicate Structural Formation during Alkali-Activation of Metakaolin: In-Situ and Ex-Situ ATR-FTIR Studies." Materials 16, no. 3 (2023): 985. http://dx.doi.org/10.3390/ma16030985.

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Attenuated total reflectance-Fourier transform infrared (ATR-FTIR) spectroscopy was used to demonstrate the reaction mechanisms of alkali-activated materials (AAMs) and the early stage of structure formation in the materials. The effects of different types of alkali activator solutions on the structure formation and reaction mechanisms of AAMs were studied. The results revealed that the main peaks of the ATR-FTIR spectra of the AAMs in the 1300–650 cm−1 range shifted to a low wavenumber with changing patterns, depending on the activator solution used, indicating that the dissolution and reorie

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Bei, Zongmin, Dasen Ren, Xiaoli Cui, Jie Shen, Xiliang Yang, and Zhuangjian Zhang. "Photoelectrochemical properties and crystalline structure change of Sb-doped TiO2 thin films prepared by the sol-gel method." Journal of Materials Research 19, no. 11 (2004): 3189–95. http://dx.doi.org/10.1557/jmr.2004.0412.

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Ti1−XSbXO2 samples were obtained from dip-coating sol-gel method and a subsequent anneal at 450 °C. They had an average crystallite size of 13.3–20 nm. Cyclic voltammograms taken under ultraviolet (UV) and Xe lamp illumination in a 0.5 M Na2SO4 electrolyte showed that the Sb-doped samples had greater photocurrent densities than pure titania electrode, with an optimal Sb concentration of 0.2%. Oxidative peaks were observed in the cyclic voltammograms obtained in the dark after certain exposure duration to UV light. X-ray diffraction patterns and Raman spectra show a phase transformation from br

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Wang, Huaiyou, Jinli Li, Yuan Zhong, Xu Liu, and Min Wang. "Novel Wide-Working-Temperature NaNO3-KNO3-Na2SO4 Molten Salt for Solar Thermal Energy Storage." Molecules 29, no. 10 (2024): 2328. http://dx.doi.org/10.3390/molecules29102328.

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A novel ternary eutectic salt, NaNO3-KNO3-Na2SO4 (TMS), was designed and prepared for thermal energy storage (TES) to address the issues of the narrow temperature range and low specific heat of solar salt molten salt. The thermo-physical properties of TMS-2, such as melting point, decomposition temperature, fusion enthalpy, density, viscosity, specific heat capacity and volumetric thermal energy storage capacity (ETES), were determined. Furthermore, a comparison of the thermo-physical properties between commercial solar salt and TMS-2 was carried out. TMS-2 had a melting point 6.5 °C lower and

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PRAKASH, N. TEJO, NEETU SHARMA, RANJANA PRAKASH, T. N. NATHANIEL, R. ACHARYA, and A. V. R. REDDY. "SELENIUM FORTIFICATION AND PRO/ANTI OXIDANT RESPONSES IN ALLIUM CEPA (ONION) CULTIVATED IN Se SUPPLEMENTED SOILS." Experimental Agriculture 46, no. 4 (2010): 531–40. http://dx.doi.org/10.1017/s0014479710000323.

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SUMMARYNative plantlets of Allium cepa (onion) were cultivated in selenium (Se)-supplemented soils to observe dose- and time-dependent uptake and associated pro/anti-oxidant activity. Allium plantlets were grown in soils supplemented with Se at 2.5, 5.0 and 7.5 mg kg−1 as selenite (Na2SeO3) and selenate (Na2SeO4) for 40–120 days. The effect of different concentrations of Se oxyanions on the growth and accumulation profile in plants in relation to glutathione peroxidase activity and thiobarbituric acid reactive substances was studied. Total Se concentrations in plantlets were determined by inst

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Nguyen Van Loi. "Primary study on the components and physico chemical as well as biological properties of the essential oil from zingiber montanum growing in Lai Chau, Vietnam." Journal of Science and Technology 2, no. 2 (2024): 48–52. http://dx.doi.org/10.55401/t1edge24.

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The essential oil of Zingiber montanum (J.Koenig) Link ex A.Dietr. growing wild in the province Lai Chau of Vietnam was obtained by steam distillation and dried with Na2SO4. By GC-MS, 31 components in the essential oil were predicted by comparing their retention times and molecular weights mass spectra with those of the standards. In particular, there were 15 hydrocarbons (37.76% monoterpenes and 11.63% sesquiterpenes) and 16 oxygenated components (16.11% aldehydes, 19.99% alcohols, and 13.27% esters). The density (at 20oC), acid index, and ester index of the essential oil were 0.814 g/ml; 0.6

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Li, Xiaoli, Ying Li, Xueyan Wang, et al. "Preparation, Characterization, and Bioactivities of Polysaccharide–Nano-Selenium and Selenized Polysaccharides from Acanthopanax senticosus." Molecules 29, no. 7 (2024): 1418. http://dx.doi.org/10.3390/molecules29071418.

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Acanthopanax senticosus polysaccharide–nano-selenium (ASPS-SENPS) and A. selenopanax selenized polysaccharides (Se-ASPS) were synthesized, and their characterization and biological properties were compared. The acid extraction method was used to extract the polysaccharides of A. selenopanax, followed by decolorization using the hydrogen peroxide method and deproteinization based on the Sevage method, and the purification of A. senticosus polysaccharides (ASPS) was carried out using the cellulose DEAE-52 ion column layer analysis method. An A. senticosus polysaccharide–nano-selenium complex was

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Ván, Peter, Róbert Kovács, and Federico Vázquez. "Spectral Properties of Dissipation." Journal of Non-Equilibrium Thermodynamics 47, no. 1 (2021): 95–102. http://dx.doi.org/10.1515/jnet-2021-0050.

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Abstract The novel concept of spectral diffusivity is introduced to analyze the dissipative properties of continua. The dissipative components of a linear system of evolution equations are separated into noninteracting parts. This separation is similar to mode analysis in wave propagation. The new modal quantities characterize dissipation and are best interpreted as effective diffusivities, or, in case of the heat conduction, as effective heat conductivities of the material.

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Walter‐Shea, Elizabeth A., and Larry L. Biehl. "Measuring vegetation spectral properties." Remote Sensing Reviews 5, no. 1 (1990): 179–205. http://dx.doi.org/10.1080/02757259009532128.

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Fath-Tabar, G. H., A. R. Ashrafi, and D. Stevanović. "Spectral Properties of Fullerenes." Journal of Computational and Theoretical Nanoscience 9, no. 3 (2012): 327–29. http://dx.doi.org/10.1166/jctn.2012.2027.

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Burbine, T. H., T. J. McCoy, J. L. Hinrichs, and P. G. Lucey. "Spectral properties of angrites." Meteoritics & Planetary Science 41, no. 8 (2006): 1139–45. http://dx.doi.org/10.1111/j.1945-5100.2006.tb00511.x.

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Call, Frederick W. "Four algebraic spectral properties." Proceedings of the American Mathematical Society 98, no. 4 (1986): 576. http://dx.doi.org/10.1090/s0002-9939-1986-0861753-4.

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Dervişoğlu, Gökhan. "Anticancer effects of sodium selenate in human neuroblastoma, breast cancer, and melanoma cells." International Journal of Secondary Metabolite 12, no. 1 (2025): 225–34. https://doi.org/10.21448/ijsm.1553575.

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Sodium selenate (Na2SeO4) is one of the oxidized inorganic forms of selenium. Effects on cytotoxicity, total antioxidant level, total oxidant level, oxidative stress, and genotoxicity status and its anticancer effect on SH-SY5Y human neuroblastoma, MCF-7 human breast cancer, and 451Lu human melanoma cells were investigated in this study. Sodium selenate exhibited a highly cytotoxic effect at all concentrations (0.078125 - 10 mg/mL) against SH-SY5Y, MCF-7, and 451Lu cancer cell lines. In addition, sodium selenate reduced the total antioxidant levels, increased the total oxidant levels (except f

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Sung, Myoung Seok, Yoon Bok Lee, Young Seok Kim, et al. "Preparation and Characterization of CdSe Nanoparticles Prepared by Using Ultrasonic Irradiation." Key Engineering Materials 336-338 (April 2007): 2034–36. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.2034.

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CdSe nanoparticles with average particles size of ~ 3.4 nm were successfully prepared by the sonochemical reduction of a mixed solution of CdCl2, Na2SeSO3 and CH2CH2OH)2NH at room temperature. CdSe nanoparticles characterized by TEM, XPS and XRD analysis revealed the formation of high purity cubic phase CdSe nanoparticles with lattice constant of a=6.415Å. CdSe nanoparticles showed relatively large range of particle size distribution from 20 to 50 nm as the sonication time increased. UV-Vis absorption spectra showed a red-shift in the wavelength region of 545-590 nm as increasing sonication ti

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Srividya, C., M. Sunkara, and S. V. Babu. "Resistance of Plasma-deposited a-C: H/fluorocarbon Films to Anodic Breakdown in Aqueous Electrolytes." Journal of Materials Research 12, no. 8 (1997): 2099–103. http://dx.doi.org/10.1557/jmr.1997.0281.

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The corrosion characteristics of a-C:H/fluorocarbon composite films deposited on type 301 stainless steel substrates were investigated using potentiometry and electrochemical impedance spectroscopy. The films were deposited by radio frequency (13.56 MHz) plasma deposition from different mixtures of hexafluoroethane, acetylene, and argon. A 10 nm thick polysilicon film was plasma-deposited prior to a-C:H film deposition to improve adhesion. The anodic current densities recorded with all the coated samples, in an electrolyte consisting of 0.1 M NaCl and 0.1 M Na2SO4 at 1.5 V (Standard Calomel El

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AbdulKadium, Safa Mahdi, and Hadi Yasir Abbood Al-Janabi. "Selenium Adsorption as Influenced by Different Anions in some Middle Euphrates Soils." IOP Conference Series: Earth and Environmental Science 1060, no. 1 (2022): 012004. http://dx.doi.org/10.1088/1755-1315/1060/1/012004.

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Abstract Adsorption Selenium (Se) levels in soils may be changed by a variety of variables. such as compecting anion. Investigated adsorption behavior for two top soil different properties, aiming to describe selenium adsorption in selected centrial Iraq soils. (Awfi) Samples were collected comprising clayed soil, Which Se adsorption tests were performed on the samples. After a 72-hour reaction with increasing concentrations of Se(0-400 µg mL-1) added as Na2SeO4, adsorption was measured. In the presence of Sulphate and Phosphate, which are usually applied in an inorganic form to soils. Soil pr

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Begum, Anayara, Amir Hussain, and Atowar Rahman. "Effect of deposition temperature on the structural and optical properties of chemically prepared nanocrystalline lead selenide thin films." Beilstein Journal of Nanotechnology 3 (June 6, 2012): 438–43. http://dx.doi.org/10.3762/bjnano.3.50.

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Nanocrystalline lead selenide (PbSe) thin films were prepared on glass substrates by a chemical bath deposition method, using sodium selenosulfate (Na2SeSO3) as a source of Se2− ions, and lead acetate as a source of Pb2+ ions. Trisodium citrate (TSC) was used as a complexing agent. PbSe films were prepared at various deposition temperatures while the pH value was kept fixed at 11, and the effect on the resulting film properties was studied by X-ray diffraction (XRD), X-ray fluorescence (XRF), scanning electron microscopy (SEM) and optical absorption studies. The structural parameters, such as

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Gerlach, Albert A., Kenneth D. Flowers, Wendell L. Anderson, and Edward L. Kunz. "Dynamic spectral transforms: Properties of the canted spectral transform." Journal of the Acoustical Society of America 86, no. 1 (1989): 141–49. http://dx.doi.org/10.1121/1.398333.

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Murchie, Scott L., and Carle M. Pieters. "Spectral properties and rotational spectral heterogeneity of 433 Eros." Journal of Geophysical Research: Planets 101, E1 (1996): 2201–14. http://dx.doi.org/10.1029/95je03438.

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Choi, Wonmun, and Tomoyuki Matsumura. "Synthesis of Cyclic Polysulfides and their Properties as Curing Agents." Rubber Chemistry and Technology 77, no. 2 (2004): 380–90. http://dx.doi.org/10.5254/1.3547830.

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Abstract The reactions of dichloroalkanes and sodium tetra-sulfide (Na2S4) were carried out in a mixture of water and toluene to produce corresponding cyclic polysulfides and polysulfide polymer. The low molecular weights of cyclic sulfides were obtained by the reaction at 90 °C, while the high molecular weight of polysulfide polymer was obtained by the reaction at 50 °C. GPC chromatograms and Mass spectra revealed that the structures of cyclic polysulfide were 1:1, 2:2, and 3:3 adducts of dichloroalkane and sodium tetra-sulfide. The mechanical properties of vulcanized NR at 148 °C with cyclic

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48

Devi, S. R., P. J. Saikia, and M. A. Hussain. "Studies on optical and electrical properties of PVA capped nanocrystalline CdSe thin film prepared by chemical bath deposition method." Chalcogenide Letters 19, no. 12 (2022): 901–8. http://dx.doi.org/10.15251/cl.2022.1912.901.

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PVA-capped nanocrystalline CdSe thin films are deposited on chemically clean glass substrates by chemical bath deposition technique using Cadmium acetate [Cd(CH3COO)2.3H2O and Sodium Selenosulfate (Na2SeSO3) as Cd2+ and Se2- ions sources respectively. Polyvinyl Alcohol (PVA) is act as a capping agent. Films of five different molarities (0.1 M–0.50M) of same pH value 8 were prepared at room temperature 298 K. The characteristics of the prepared CdSe thin films are investigated in detail by measuring their optical and electrical properties. The band gap energy of 2.16–2.49 eV was determined from

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Geche, F. Е., and O. Yu Mulesa. "Spectral Properties of General Neurofunctions." Visnyk of Vinnytsia Politechnical Institute 146, no. 5 (2019): 42–48. http://dx.doi.org/10.31649/1997-9266-2019-146-5-42-48.

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Pan, Jie. "Machine learning for spectral properties." Nature Computational Science 2, no. 3 (2022): 139. http://dx.doi.org/10.1038/s43588-022-00225-0.

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