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Journal articles on the topic 'Selenium Powder'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Soda, S., A. Hasegawa, M. Kuroda, A. Hanada, M. Yamashita, and M. Ike. "Selenium recovery from kiln powder of cement manufacturing by chemical leaching and bioreduction." Water Science and Technology 72, no. 8 (2015): 1294–300. http://dx.doi.org/10.2166/wst.2015.339.

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A novel process by using chemical leaching followed by bacterial reductive precipitation was proposed for selenium recovery from kiln powder as a byproduct of cement manufacturing. The kiln powder at a slurry concentration of 10 w/v% with 0.25 M Na2CO3 at 28°C produced wastewater containing about 30 mg-Se/L selenium. The wastewater was diluted four-fold and adjusted to pH 8.0 as preconditioning for bioreduction. A bacterial strain Pseudomonas stutzeri NT-I, capable of reducing selenate and selenite into insoluble elemental selenium, could recover about 90% selenium from the preconditioned wast

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2

Cavalu, Simona, Earar Kamel, Vasile Laslo, et al. "Eco-friendly, Facile and Rapid Way for Synthesis of Selenium Nanoparticles Production, structural and morphological characterisation." Revista de Chimie 68, no. 12 (2018): 2963–66. http://dx.doi.org/10.37358/rc.17.12.6017.

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A green chemistry approach to synthesize biocompatible selenium nanoparticles is proposed in this work, using hydrogen selenite (NaHSeO3) as selenium precursor and lactose as reducing agent. The formation of nanoparticles was confirmed by dynamic light Scattering, revealing a gaussian size distribution, the maximum percentage being in the range of 20-40 nm. Zeta potential measurement indicates a negative charge -38.2 mV, the stability of selenium colloidal sol being also confirmed by UV-visible spectroscopy. TEM and AFM revealed the homogeneous, spherical shape, confirming the size of nanopart

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3

Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Evaluation of Biofield Energy Treatment on Physical and Thermal Characteristics of Selenium Powder." Journal of Food and Nutrition Sciences 3, no. 6 (2015): 223–28. https://doi.org/10.11648/j.jfns.20150306.14.

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Selenium (Se) is an essential trace element, and its deficiency in the humans leads to increase the risk of various diseases, such as cancer and heart diseases. The objective of this study was to investigate the influence of biofield energy treatment on the physical and thermal properties of the selenium powder. The selenium powder was divided into two parts denoted as control and treated. The Control part was remained as untreated and treated part received Mr. Trivedi’s biofield energy treatment. Both control and treated selenium samples were characterized using x-ray diffraction (XRD),

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4

Trivedi, Mahendra Kumar, Rama Mohan Tallapragada, Alice Branton, et al. "Evaluation of Biofield Energy Treatment on Physical and Thermal Characteristics of Selenium Powder." Journal of Food and Nutrition Sciences 3, no. 6 (2015): 223–28. https://doi.org/10.5281/zenodo.192424.

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Selenium (Se) is an essential trace element, and its deficiency in the humans leads to increase the risk of various diseases, such as cancer and heart diseases. The objective of this study was to investigate the influence of biofield energy treatment on the physical and thermal properties of the selenium powder. The selenium powder was divided into two parts denoted as control and treated. The Control part was remained as untreated and treated part received Mr. Trivedi’s biofield energy treatment. Both control and treated selenium samples were characterized using x-ray diffraction (XRD),

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5

Bolshakova, M. V., and Anwar Hassan ALJAF Karwan. "Humoral and Cellular Immune Parameters in Male Karadi Lambs: The Impact of Powdered Whole Cannabis seeds and Nano-Selenium." THEORETICAL & APPLIED PROBLEMS OF AGRO-INDUSTRY 55, no. 1 (2023): 39–45. http://dx.doi.org/10.32935/2221-7312-2023-55-1-39-45.

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Cannabis sativa L. is regarded as a food plant. Whole cannabis seeds typically include 30% oil, 3% saturated fatty acids, and 25% protein. Nano-selenium is a significant element that can perform bioactivity, improve digestibility, and play a significant function in animal immune systems. Owing to the physiological significance of cannabis seeds and nano-selenium, this study examined their effects on cellular and humoral immunological markers. Twenty male Karadi lambs with an average age of 3 to 4 months participated in the study. Four groups of lambs were formed. The second group received 0.5

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6

Ameen, Mohmood, Mohammed Wahhab, and Mohammed Kareem. "Influence of Dietaries Combined Vitamin E and Selenium Powder on Eggs' Fertility and Hatchability in Japanese Quail." Journal of Zankoy Sulaimani - Part A 24, no. 2 (2022): 115–22. http://dx.doi.org/10.17656/jzs.10888.

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This study was conducted at the Sulaimani Polytechnic University, Kalar Technical College, Veterinary Techniques Department, and animal management farm. The objective of the present study was to show the effect of adding different levels of vitamin E and inorganic Selenium (Sodium selenite) on the fertility and hatchability of Japanese quail from Apr 15 2021 to Jul 15 2021. A total number of 128 birds at 12 weeks old Japanese quail (Coturnix Coturnix Japonica) were used (96 females and 32 males). These birds were randomly divided into four dietary treatment groups (T); each group was equally s

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7

Babu, Lekshmi R., and Parvathi M.A. "Comparative Studies of Biogenically Synthesized Selenium Nanoparticles Using Sweet Potato (Ipomoea batatas) and Coconut Water (Cocos nucifera) and Coating Them on Cotton Fabrics to Treat Mastitis Causing Bacteria." Asian Journal of Applied Science and Technology 07, no. 02 (2023): 136–50. http://dx.doi.org/10.38177/ajast.2023.7216.

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Nanotechnology has built its application in numerous fields because of its high efficiency. It is an emerging field where novel ideas are being brought to make our life easier and better. Selenium is a micronutrient and it has a vital role in the metabolism of humans and other organisms. Its absorption and efficiency increase when they are in the form of nanoparticles. This work is about the synthesis of Selenium nanoparticles from sweet potatoes and coconut water by using the bio-synthesis method and coating them on cotton fabrics to treat mastitis. After the reduction of selenite, brick red

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8

Fang, Ruopian, Guangmin Zhou, Songfeng Pei, Feng Li, and Hui-Ming Cheng. "Localized polyselenides in a graphene-coated polymer separator for high rate and ultralong life lithium–selenium batteries." Chemical Communications 51, no. 17 (2015): 3667–70. http://dx.doi.org/10.1039/c5cc00089k.

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9

Golubkina, N. A., T. M. Seredin, A. A. Koshevarov, L. M. Shilo, H. V. Baranoba, and L. V. Pavlov. "POWDER OF GARLIC FORTIFIED WITH SELENIUM." Trace Elements in Medicine (Moscow) 19, no. 1 (2018): 43–50. http://dx.doi.org/10.19112/2413-6174-2018-19-1-43-50.

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10

Qin, Shunyi, Lina Liu, Jingshen Wang, Fanghong Zhao, and Jifei Ma. "Toxicology evaluation of selenium protein powder." BIO Web of Conferences 8 (2017): 02009. http://dx.doi.org/10.1051/bioconf/20170802009.

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11

Li, Xiao, Ling Shi, Panshu Song, Wei Cai, Ximing Luo, and Bo Zhao. "Certification of New Selenium-Enriched Yeast and Supplement Reference Materials for Selenomethionine Using Two Independent Measurement Strategies." Molecules 29, no. 1 (2024): 235. http://dx.doi.org/10.3390/molecules29010235.

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Selenium-enriched yeast possesses the unique ability of transforming chemical selenium, such as sodium selenite, into a biologically active form, which mitigates its toxic effects on the human body. The transformation product of this process, selenomethionine, can be safely and effectively absorbed and utilized by the human body; hence, it has been spiked into a selenium-enriched supplement. This study employs two distinct measurement strategies to determine the selenomethionine content in two candidate reference materials, a selenium-enriched yeast powder and supplement, using both organic an

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12

M, Mufeetha, Rajeshkumar S, and T. Lakshmi. "Antimicrobial And Cytotoxic Effect of Selenium Nanoparticles Synthesized Using Clove and Cumin Formulation." Journal of Complementary Medicine Research 14, no. 3 (2023): 96. http://dx.doi.org/10.5455/jcmr.2023.14.03.17.

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Aim: The purpose of this study is to use clove and cumin extract to produce the selenium nanoparticles via green approach. Selenium nanoparticles synthesized using clove and cumin formulation nanotechnology explores a lot of interesting approaches in the field of biomedicine. Researchers have recently developed interest in biomolecule-mediated nanoparticle production because of its eco-friendly and non-toxic properties. Clova and cumin have long been used in traditional medicine to treat various illnesses. Materials And Method: Collection of clove and cumin extract then 1 g of clove and cumin,

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13

Balamithra S, Rajeshkumar S, Anitha Roy, and Lakshmi T. "Antibacterial activity of selenium nanoparticles synthesized using Maranta arundinaecea root extract." International Journal of Research in Pharmaceutical Sciences 11, no. 2 (2020): 2695–700. http://dx.doi.org/10.26452/ijrps.v11i2.2289.

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Maranta arundinaecea is otherwise known as arrowroot. It promotes weight loss, treats diahorrea and stimulates the immune system. As Arrowroot is rich in starch, it helps in good digestion by mild laxative in regulating the bowel movement. Also it reduces stomach pain and bloating. Selenium is a semi conductor so it is used in making electrical wires. It is used in potent chemotherapy. It is an anti-cancer agent due to its invasion of apoptotic pathway and cell cycle arrest. Usually the arrow root extract is available as powder. The powder is diluted and mixed into sodium selenite solution and

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14

Bude, Romain, Laurent Divay, Renato Bisaro, et al. "Synthesis of alloyed Bi2TexSe(3-x) nanoparticles and thermoelectric characterization of bulk nanostructured materials obtained by their assembly." MRS Proceedings 1804 (2015): 1–6. http://dx.doi.org/10.1557/opl.2015.485.

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ABSTRACTThe optimization of the figure of merit of thermoelectric materials requires the simultaneous control of the material composition and microstructure. Assembly of nanoparticles obtained by a solution route is an attractive bulk fabrication method because size and shape of the nanoparticles can be tuned by variation of the synthesis conditions. Recently, new synthetic pathways were reported among which reducing agent assisted, surfactant free processes. We report here the evaluation of this method for the synthesis of Bi2TexSe3-x alloyed nanoparticles with varying selenium concentrations

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15

Giguère, Alain, Marie-Ève Fortier, and J. Jacques Matte. "Rapid, sensitive and versatile determination of selenium in different biological samples." Canadian Journal of Animal Science 85, no. 4 (2005): 533–36. http://dx.doi.org/10.4141/a05-044.

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The reliable assessment of selenium in biological samples is generally technically difficult to achieve and requires a large amount of material. The described fluorometric method was validated using certified standard material of Durum Wheat Flour, Bovine Muscle Powder, Whole Egg Powder and serum and was tested on pig whole blood and fresh egg. The technique was found to be fast, sensitive and robust for a reliable determination of Se in small amounts (< 50 mg or 100 µL) of biological samples. Key words: Selenium, analysis, biological samples

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16

Liu, Hao, Li Fan, Qichen Wei, et al. "Preparation of single crystal triangular selenium nanostructures and photoelectric properties." Materials Express 12, no. 4 (2022): 609–15. http://dx.doi.org/10.1166/mex.2022.2189.

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Anisotropic growth of selenium leads to formation of one-dimensional structure of selenium, and reaction conditions mostly determine the morphology of products. In this study, one-dimensional selenium materials were prepared directly from selenium powder by microwave-assisted method. Selenium nanotubes and selenium nanorods were synthesized by adjusting the ratio of ethylene glycol to water. The as-prepared products were characterized by Transmission Electron Microscope (TEM), Selected area electron diffraction (SAED), X-ray diffraction (XRD), Raman spectroscopy, photoluminescence spectroscopy

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17

Khasanova, Svetlana, and Zinaida Skobelskaya. "Amaranth bran powder is a promising raw material for the confectionery industry." E3S Web of Conferences 262 (2021): 01005. http://dx.doi.org/10.1051/e3sconf/202126201005.

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The research is devoted to the creation of a new raw material - a product of processing amaranth seeds of the species Amaranthus L. (variety “Krepysh”, selection of FNTSO). Developed amaranth bran powder, which is a waste product in the production of oil from seeds. The bran contains 19.6% proteins, including water-soluble ones; 17.9% dietary fiber; 46.9% highly dextrinated starch; 1.01% of macro- and microelements, including deficient selenium. The selenium content in the studied batches of amaranth bran is 0.053 mg% per 100 g of dry weight, which allows us to meet the average daily human nee

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18

Ressler, Antonia, Maja Antunović, Matija Cvetnić, Marica Ivanković, and Hrvoje Ivanković. "Selenite Substituted Calcium Phosphates: Preparation, Characterization, and Cytotoxic Activity." Materials 14, no. 12 (2021): 3436. http://dx.doi.org/10.3390/ma14123436.

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The aim of this study was to prepare a biomimetic selenium substituted calcium phosphate system for potential application in osteosarcoma therapy. Calcium phosphate (CaP) systems substituted with selenite ions were prepared by the wet precipitation method, using biogenic CaCO3 (derived from cuttlefish bone), CO(NH2)2-H3PO4, and Na2SeO3·5H2O as reagents. Starting reaction mixtures were prepared based on the formula for selenite-substituted hydroxyapatite, Ca10(PO4)6-x(SeO3)x(OH)2, with Ca/(P + Se) molar ratio of 1.67 and Se/(P + Se) molar ratio of: 0, 0.01, 0.05, and 0.10, respectively. The pre

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19

Hajinezhad, Mohammad Reza, Abbas Jamshidian, Motahareh Abdollahi, and Alireza Samzadeh Kermani. "Comparing the Histopathological Effects of Selenium Nanoparticles and Selenium Nanocomposites in Rat Models." Disease and Diagnosis 10, no. 2 (2021): 75–81. http://dx.doi.org/10.34172/ddj.2021.15.

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Background: Selenium nanoparticles (Se NPs) and selenium nanocomposites (Se NCs) have different biological effects. The current study aimed to compare the effects of newly synthesized Se NPs and Se NCs on biochemical and histopathological parameters of rats. The synthesized Se NPs were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), energy dispersive X-ray analysis (EDAX), and scanning electron microscopy (SEM) techniques. Materials and Methods: Adult male Wistar rats were divided into four equal groups to examine the biological effects of Se NPs. Cont

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20

Flamee, Stijn, Ruben Dierick, Marco Cirillo, Dirk Van Genechten, Tangi Aubert, and Zeger Hens. "Synthesis of metal selenide colloidal nanocrystals by the hot injection of selenium powder." Dalton Transactions 42, no. 35 (2013): 12654. http://dx.doi.org/10.1039/c3dt50757b.

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21

Jabeen, M., N. Ali, Z. Ali, et al. "The impact of annealing on the optoelectronic properties of tin selenide thin films for photovoltaics." Chalcogenide Letters 21, no. 2 (2024): 125–33. http://dx.doi.org/10.15251/cl.2024.212.125.

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In this study, Tin selenide (SnSe) was prepared via thermal evaporation from tin ingots and selenium powder followed by annealing at 250°C in an inert atmosphere of Argon gas. Two samples were used for characterization purposes, as-deposited and annealed. The structural parameters including particle size, strain, dislocation density, and number of crystallites per unit area were calculated from XRD while the optical properties including band gap were extracted from UV-visible spectroscopy. Four probe techniques were used to measure the electrical properties.

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22

Raji, P. "Structural, optical and morphological characterization of Zinc Selenide Nanoparticles synthesized by Solvothermal method." International Scientific Journal of Engineering and Management 03, no. 05 (2024): 1–9. http://dx.doi.org/10.55041/isjem01915.

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Zinc Selenide nanoparticles were synthesized via solvothermal method using zinc chloride and selenium powder. X-ray diffraction (XRD), Scanning Electron Microscope (SEM), Ultraviolet – Visible spectroscopy and Photoluminescence Spectroscopy were used to analyze the sample. XRD confirmed the cubic zinc blende phase and the mean size of the particle was determined using Scherrer formula was 65nm. SEM image revealed the spherical shape of the particles. Photoluminescence spectra with excitation wavelength (325nm) show a weak emission peak at 555nm. Key Words: ZnSe ,SEM, UV – Vis, XRD

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23

Katsurba, T. V., V. K. Frantenko, N. A. Golubkina, and I. Yu Tarmaeva. "FORTIFICATION OF BREAD WITH SELENIUM ENRICHED MALT POWDER." Trace Elements in Medicine (Moscow) 20, no. 2 (2019): 47–54. http://dx.doi.org/10.19112/2413-6174-2019-20-2-47-54.

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24

Xu, Runsheng, Shenhuanran Hu, Luhui Wu, Yifan Ning, and Jin Xu. "N,N-Dimethylformamide’s Participation in Domino Reactions for the Synthesis of Se-Phenyl Dimethylcarbamoselenoate Derivatives." Molecules 30, no. 3 (2025): 747. https://doi.org/10.3390/molecules30030747.

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N,N-dimethylformamide’s (DMF) participation in domino reactions has been developed. Starting from substituted halogenobenzenes and selenium powder, versatile biologically active Se-phenyl dimethylcarbamoselenoate derivatives were efficiently synthesized under mild reaction conditions. The reaction mechanism was studied using control experiments. These protocols involve a wider substrate scope and provide an economical approach toward C–selenium bond formation.

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25

Guo, Tao, Xu-Ning Wei, Hong-Yan Wang, Ying-Li Zhu, Yun-Hui Zhao, and Yong-Cheng Ma. "Copper-catalyzed chalcogenation of imidazoheterocycles with sulfur/selenium powder and coumarinyl triflates." Organic & Biomolecular Chemistry 15, no. 44 (2017): 9455–64. http://dx.doi.org/10.1039/c7ob02278f.

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26

Антипов, В. В., С. А. Кукушкин, А. В. Осипов та В. П. Рубец. "Эпитаксиальный рост пленок селенида кадмия на кремнии с буферным слоем карбида кремния". Физика твердого тела 60, № 3 (2018): 499. http://dx.doi.org/10.21883/ftt.2018.03.45552.275.

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AbstractAn epitaxial cubic 350-nm-thick cadmium selenide has been grown on silicon for the first time by the method of evaporation and condensation in a quasi-closed volume. It is revealed that, in this method, the optimum substrate temperature is 590°C, the evaporator temperature is 660°C, and the growth time is 2 s. To avoid silicon etching by selenium with formation of amorphous SiSe_2, a high-quality ~100-nm-thick buffer silicon carbide layer has been synthesized on the silicon surface by substituting atoms. The powder diffraction pattern and the Raman spectrum unambiguously correspond to

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27

O'BRIEN, PAUL, and DAVID J. CROUCH. "A NOVEL LOW TEMPERATURE SYNTHESIS OF CRYSTALLINE POWDERS OF CADMIUM AND ZINC SELENIDES VIA ELECTRON TRANSFER REACTIONS IN ORGANIC SOLUTION." International Journal of Nanoscience 04, no. 05n06 (2005): 827–30. http://dx.doi.org/10.1142/s0219581x05003760.

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Good quality crystalline powders of the II/VI semiconductors ME ( M = Zn or Cd , E = Se ) have been prepared in a "one-pot" wet synthesis from elemental selenium under "Birch"-type conditions using N -methyloctadecylamine as the solvent/electron transfer reagent. The CdSe and ZnSe materials have been characterised by powder X-ray diffraction (PXRD) and their band gaps.

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28

Khan, Mustafa, Xuli Ding, Hongda Zhao, Xinrong Ma, and Yuxin Wang. "Facile Synthesis of Carbon Nanospheres with High Capability to Inhale Selenium Powder for Electrochemical Energy Storage." Materials 14, no. 22 (2021): 6760. http://dx.doi.org/10.3390/ma14226760.

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Carbon–selenium composite positive electrode (CSs@Se) is engineered in this project using a melt diffusion approach with glucose as a precursor, and it demonstrates good electrochemical performance for lithium–selenium batteries. X-ray diffraction (XRD) and scanning electron microscopy (SEM) with EDS analysis are used to characterize the newly designed CSs@Se electrode. To complete the evaluation, electrochemical characterization such as charge–discharge (rate performance and cycle stability), cyclic voltammetry (CV), and electrochemical impedance spectroscopy (EIS) tests are done. The finding

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29

Guo, Tao, Xu-Ning Wei, Yu Liu, Pan-Ke Zhang, and Yun-Hui Zhao. "Oxidative dual C–H selenation of imidazoheterocycles with ethers or alkanes using selenium powder via a radical pathway." Organic Chemistry Frontiers 6, no. 9 (2019): 1414–22. http://dx.doi.org/10.1039/c9qo00198k.

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30

Khanna, P. K., and B. K. Das. "Novel synthesis of silver selenide nano-powder from silver nitrate and organo-selenium compound." Materials Letters 58, no. 6 (2004): 1030–34. http://dx.doi.org/10.1016/j.matlet.2003.08.007.

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31

Laskus, Aleksandra, Anna Zgadzaj, and Joanna Kolmas. "Selenium-Enriched Brushite: A Novel Biomaterial for Potential Use in Bone Tissue Engineering." International Journal of Molecular Sciences 19, no. 12 (2018): 4042. http://dx.doi.org/10.3390/ijms19124042.

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In this study, a novel biomaterial, i.e., brushite containing 0.67 wt% of selenium (Se-Bru) was synthesized via a wet precipitation method. Pure, unsubstituted brushite (Bru) was synthesized via the same method and used as a reference material. Different techniques of instrumental analysis were applied to investigate and compare physicochemical properties of both materials. Fourier-Transform Infrared Spectroscopy confirmed the chemical identity of both materials. Scanning Electron Microscopy (SEM) was used to study the morphology and indicated that both samples (Bru and Se-Bru) consisted of pl

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32

Li, Lai, Xiaohong Peng, Jianmei Lu, and Xuefeng Jiang. "One-pot four-component assembly for diselenocarbamates." Organic Chemistry Frontiers 8, no. 23 (2021): 6642–47. http://dx.doi.org/10.1039/d1qo01288f.

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33

Wang, Zhen Dong, Zhen Quan Lai, and Guo Rong Chen. "Synthesis and Characterization of CuInS₂ and CuInSe₂ Compounds by Vacuum Sintering Method." Advanced Materials Research 304 (July 2011): 119–23. http://dx.doi.org/10.4028/www.scientific.net/amr.304.119.

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We report herein synthesis and characterization of CuInS2and CuInSe2compounds by vacuum sintering method. In this study, the manual-milled and ball-milled precursors including copper, indium, and sulfur (selenium) elements were sintered under vacuum at different temperatures for synthesis of CuInS2and CuInSe2compounds, respectively. The crystal structure, morphology and Raman property of the sintered powder were investigated by X-ray diffraction, scanning electron microscope and Raman scattering spectroscopy, respectively. The results show that the structure of the products, which was sintered

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34

Parmar, Bhavdip B., Krina M. Patel, Kamlesh A. Sadariya, and Shailesh K. Bhavsar. "Evaluation of Immunomodulatory Activities of Clove Powder in Broiler." Journal of Phytopharmacology 13, no. 3 (2024): 242–48. http://dx.doi.org/10.31254/phyto.2024.13308.

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The study was planned to evaluate the immunomodulatory effects of clove bud powder in broiler. Total of 60 chicks were divided randomly to 5 groups. Group I served as control and given only basal diet. Group II served as standard control and given basal diet with vitamin E and selenium containing proprietary product in water. Groups III, IV and V were given clove powder at the dose rate of 2.5, 5 and 10 g/kg feed for 35 days, respectively. Cutaneous basophil hypersensitivity (CBH) response was carried out to assess the cell mediated immunity on 14th day of age. Blood was collected on 7th, 21st

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35

Langman, Jeff B. "Kinetic Model Evaluation of Arsenic and Selenium Sources in Waste Rock of the Powder River Basin, USA." Mining 4, no. 3 (2024): 469–88. http://dx.doi.org/10.3390/mining4030027.

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Groundwater quality can be impacted by the backfilling of coal pits with waste rock containing new mineral surfaces and nanomaterials. This study was implemented to identify newly available arsenic and selenium sources in waste rock from the Cordero Rojo Mine in the Powder River Basin, Wyoming, to highlight the alteration of contaminant sources with the transition from an overburden geologic state to the mined waste rock. Basic kinetic models were constructed to replicate the possible weathering modeling scenario derived from published sources of arsenic and selenium in the Powder River Basin

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36

Shilo, L. M., L. V. Pavlov, N. A. Golubkina, T. M. Seredin, E. V. Baranova, and A. A. Koshevarov. "STANDARD OF ORGANIZATION FOR GARLIC POWDER ENRICHED WITH SELENIUM." Vegetable crops of Russia, no. 1 (February 23, 2019): 60–64. http://dx.doi.org/10.18619/2072-9146-2019-1-60-64.

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37

Shan, Wei Jun, Qiang Yan, Du Li, Da Wei Fang, and Shu Liang Zang. "Ultrasonic Synthesis of Ag₂Se Nanocrystal in Perrhenate Solution." Advanced Materials Research 919-921 (April 2014): 2109–11. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.2109.

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Ag2Se nanocrystal was successfully prepared by ultrasonic synthesis in water and ethanol systems at an ambient pressure. The powder of selenium was used as the selenium ion source. The size of the nanocrystals is in the scope of 10-20nm. The products were characterized by some means including X-ray Powder Diffraction (XRD) and Transmission Electron Microscopy (TEM) which was used to study the thermostability of the product. The result of the experiments indicated that the concentration of the reactant, the pH of the solution, the react temperature and the surfactant had some important influenc

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38

Jin, Guo-Qing, Wen-Xia Gao, Yun-Bing Zhou, Miao-Chang Liu, and Hua-Yue Wu. "Synthesis of selenated isochromenones by AgNO3-catalyzed three-component reaction of alkynylaryl esters, selenium powder and ArB(OH)2." RSC Advances 10, no. 51 (2020): 30439–42. http://dx.doi.org/10.1039/d0ra06016j.

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39

Martirosyan, Vladimir V., Marina N. Kostyuchenko, Tatyana I. Kryachko, Valentina D. Malkina, Elena V. Zhirkova, and Nadezhda A. Golubkina. "The Beneficial Effect of Selenium-Enriched Broccoli on the Quality Characteristics of Bread." Processes 11, no. 10 (2023): 3037. http://dx.doi.org/10.3390/pr11103037.

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Broccoli is one of the most valuable representatives of the Brassicaceae family, characterized by high levels of glucosinolates and fiber, antioxidant status and tolerance to high selenium (Se) concentrations. To evaluate the efficiency of Se-enriched broccoli utilization in bread production, 4% of dry broccoli powder was added to dough using non-fortified and Se-biofortified broccoli florets. The resulting functional products were characterized by enhanced porosity, crump acidity and a specific volume exceeding those of the control bread by 109–110%, 114–121% and 107–112%, respectively, with

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Mokretsova, E., G. Tomilka, Yu Kovalskiy, A. Schupak, N. Golubkina, and V. Maleev. "Optimization of pathogenetic therapy of patients with tick-borne rickettsiosis caused by rickettsiae heilongjiangensis in Khabarovsk Territory." Vrach 35, no. 3 (2024): 42–46. http://dx.doi.org/10.29296/25877305-2024-03-10.

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Objective. To study the dynamics of selenium level and some indexes of oxidative status of blood serum in patients with the moderate form of tick-borne rickettsiosis caused by Rickettsiaе heilongjiangensis, in Khabarovsk Region, depending on the treatment in order to optimize the pathogenetic therapy. Materials and methods. Comparative analysis of combinations of treatment by basic means (antibiotics, detoxication therapy) and in combination with organic selenium was carried out on the basis of determination of nutrient selenium level and some parameters of oxidative status in blood serum of p

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Chen, Xin Qi, Zhen Li, and Shi Xue Dou. "Ambient Facile Synthesis of Gram-Scale Copper Selenide Nanostructures from Commercial Copper and Selenium Powder." ACS Applied Materials & Interfaces 7, no. 24 (2015): 13295–302. http://dx.doi.org/10.1021/acsami.5b01085.

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Badgar, Khandsuren, and József Prokisch. "Elemental Selenium Enriched Nanofiber Production." Molecules 26, no. 21 (2021): 6457. http://dx.doi.org/10.3390/molecules26216457.

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This study aimed to produce electrospun nanofibers from a polyvinyl butyral polymer (PVB) solution enriched with red and grey selenium nanoparticles. Scanning electron microscopic analysis was used to observe the samples, evaluate the fiber diameters, and reveal eventual artifacts in the nanofibrous structure. Average fiber diameter is determined by manually measuring the diameters of randomly selected fibers on scanning electron microscopic (SEM) images. The obtained nanofibers are amorphous with a diameter of approximately 500 nm, a specific surface area of approx. 8 m2 g−1, and 5093 km cm−3

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LeBlanc, Kelly L., Phuong-Mai Le, Juris Meija, Jianfu Ding, Jeremy E. Melanson, and Zoltán Mester. "Preparation and certification of natural and 82Se-labelled selenomethionine reference materials." Journal of Analytical Atomic Spectrometry 36, no. 2 (2021): 416–28. http://dx.doi.org/10.1039/d0ja00411a.

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Herein, we present the certification campaign for two new selenomethionine Certified Reference Materials: SENS-1, a high-purity powder of natural isotopic abundance, and SEES-1, a solution of selenium-82 labelled selenomethionine.

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Golubkina, N. A., T. M. Seredin, H. A. Baranova, et al. "PROSPECTS OF PRODUCTION OF ALLIUM SEEDS SPROUTS FORTIFIED WITH SELENIUM." Vegetable crops of Russia, no. 6 (December 10, 2018): 50–54. http://dx.doi.org/10.18619/2072-9146-2018-6-50-54.

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Sprouts of agricultural crops seeds are considered to be functional food products with high content of antioxidants. Though seeds of Allium species plants are used in some countries as spices the possibilities of appropriate sprouts utilization have never been investigated so far. Evaluation of perennial and A. cepa seeds biofortification with selenium revealed high nutritional value of the resulting sprouts characterized not only by high selenium content exclusively in a form of selenomethyl selenocysteine (a natural anti carcinogen) but also with high levels of antioxidant activity and high

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Akansha Kishen, Rajeshkumar S, and Preejitha V. B. "Cynodon dactylon Mediated Synthesis of Selenium Nanoparticles and Its Antimicrobial Activity Against Oral Pathogens." International Journal of Research in Pharmaceutical Sciences 11, no. 3 (2020): 4152–56. http://dx.doi.org/10.26452/ijrps.v11i3.2621.

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is a genus of plant in the grass family. It is found in the tropical regions and is also known as grass, Bermuda grass and Indian Doab. It is a herb extensively used in Indian system of medicine. It has many health benefits and is useful in controlling hypertension, skin diseases and diabetes. Selenium particles have an excellent anti-cancer, , antioxidant, photo reactive property. The size of SeNPs ranges from 30nm to 200 nm. These particles can be used in arthritis, cancer, diabetes etc. To prepare the selenium particles using Cynodon , fresh Cynodon was dried and made into a fine powder and

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Chandra Mondal, Kartik, Sudipta Roy, Birger Dittrich, et al. "A soluble molecular variant of the semiconducting silicondiselenide." Chemical Science 6, no. 9 (2015): 5230–34. http://dx.doi.org/10.1039/c5sc01516b.

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Silicondiselenide is a semiconductor and exists as an insoluble polymer (SiSe<sub>2</sub>)<sub>n</sub>which is prepared by reacting elemental silicon with selenium powder in the temperature range of 400–850 °C.

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S., Kowsalya, Joshaline Mabel, and Anitha Devi M. "Therapuetic & Nutraceutical Value Added Product Development by Cissusquadrangularis." Shanlax International Journal of Arts, Science and Humanities 7, S4 (2020): 49–54. https://doi.org/10.5281/zenodo.6351245.

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Cissusquadrangular isLinn is a wild indigenous medicinal plant found in India. The importance of cissusquadrangularis in regeneration of connective tissue involved in the bone healing process the research work under taken has aim of nutraceutical value added product development by cissusquadrangularis such as pickle, Thattai, Soup powder , idly powder were prepared from shadow dried cissusquadrangularis powder in 5%, 10%, 15% the nutrient composite of dried cissusquadrangularis stem shows (1.451) phytosterols, (0.212) units ascorbic acid (0.488) phenols, (9.03) calcite (0.205) iron (0.175) sel

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SIDDIQI, S. A., AFFIA ASLAM, and S. NASEEM. "STUDY OF SELENIUM DOPED Bi-BASED SUPERCONDUCTORS BY AES AND SEM." Modern Physics Letters B 15, no. 22 (2001): 973–80. http://dx.doi.org/10.1142/s0217984901002014.

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Compositions in Bi 2 Sr 2 Ca 2 Cu 3 O y: Se x with x = 0, 0.05, 0.1, 0.2, 0.3, 0.4 have been prepared by the solid state reaction method. The samples have initially been studied by the X-ray powder diffraction method for structural characterization. Superconducting transition temperatures (T c ) measured by the four probe technique shows dependence on selenium concentration. A detailed microstructural analysis has been carried out by scanning electron and Auger electron spectroscopies in order to investigate the incorporation of selenium in the grains of the superconductors. It is found that S

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Liu, Hai Tao, Jun Dai, Jia Jia Zhang, and Wei Dong Xiang. "Solvothermal Synthesis of Bi₂Se₃ Hexagonal Nanosheet Crystals." Advanced Materials Research 236-238 (May 2011): 1712–16. http://dx.doi.org/10.4028/www.scientific.net/amr.236-238.1712.

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Bismuth selenide (Bi2Se3) hexagonal nanosheet crystals with uniform size were successfully prepared via a solvothermal method at 160°C for 22 h using bismuth trichloride(BiCl3) and selenium powder(Se) as raw materials, sodium bisulfite(NaHSO3) as a reducing agent, diethylene glycol(DEG) as solvent, and ammonia as pH regulator. Various techniques such as X-ray diffraction (XRD), field-emission scanning electron microscope (FESEM), high-resolution transmission electron microscope (HRTEM), and selected area electron diffraction (SAED) were used to characterize the obtained products. Results show

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Jakubczyk, Michał, Satenik Mkrtchyan, Izabela D. Madura, Paulina H. Marek, and Viktor O. Iaroshenko. "Correction: Copper-catalyzed direct C–H arylselenation of 4-nitro-pyrazoles and other heterocycles with selenium powder and aryl iodides. Access to unsymmetrical heteroaryl selenides." RSC Advances 10, no. 2 (2020): 1087. http://dx.doi.org/10.1039/c9ra90098e.

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Correction for ‘Copper-catalyzed direct C–H arylselenation of 4-nitro-pyrazoles and other heterocycles with selenium powder and aryl iodides. Access to unsymmetrical heteroaryl selenides’ by Michał Jakubczyk et al., RSC Adv., 2019, 9, 25368–25376.

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