An Organic Acid-induced Synthesis and Characterization of Selenium Nanoparticles

Dwivedi, Charu; Shah, Chetan; Singh, Kunal Kumar; Kumar, Manmohan; Bajaj, P.N.

doi:10.1155/2011/651971

Cited by 88 publications

(50 citation statements)

References 20 publications

(21 reference statements)

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“…These species are generally positively or negatively charged that can conjugate with NH, C=O, COO − , and C−N groups of active pharmaceutical ingredient (API), which imparts SeNPs superior adsorptive capacity to load, stabilize, and deliver drug. 99 In general, Se-based nanoparticles can be manufactured through the following two approaches: 1) in situ formation via reduction 100 and 2) fabrication on the base of nanoparticles, 101 as illustrated in Figure 4. In the former, SeNPs are synthesized from different precursor materials, reducing agents, and stabilizers through a chemical reaction.…”

Section: Senps Serving For Drug Deliverymentioning

confidence: 99%

Selenium as a pleiotropic agent for medical discovery and drug delivery

Guan¹,

Yan²,

Li³

et al. 2018

IJN

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Selenium as a biologically active element lends much support to health maintenance and disease prevention. It is now presenting pleiotropic effects on therapy and drug delivery. In this study, a profiling on the physiological functions, therapeutic significances, clinical/preclinical performances, and biomedical and drug delivery applications of selenium in different modalities was carried out. Major interests focused on selenium-based nanomedicines in confronting various diseases pertaining to selenium or not, especially in antitumor and antidiabetes. Furthermore, the article exclusively discusses selenium nanoparticles featured by ameliorative functions with emphasis on their applications in medical practice and drug delivery. The state-of-the-art in medical discovery as well as research and development on selenium and nano-selenium is discussed in this review.

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Section: Senps Serving For Drug Deliverymentioning

confidence: 99%

Selenium as a pleiotropic agent for medical discovery and drug delivery

Guan¹,

Yan²,

Li³

et al. 2018

IJN

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“…Obtained wet biomass (0.5 g), was re-suspended in a 250 cm 3 Erlenmeyer flasks with 100 cm 3 of 100 mg/dm 3 aqueous cobalt selenite solution (analytically pure, Merck, Darmstadt, DE) for synthesis of selenium nanoparticles. The resultant mixtures were put into the shaker repeatedly at between 28-30°C for different periods of time (24-72 h).…”

Section: Cyanobacterial Biomass Preparationmentioning

confidence: 99%

“…For each sample, 10 mg of wet biomass was mixed with 10 cm 3 ethanol or distillated water for 60 min. After filtration, the samples were standardized: 1 mg dry active substances in 1 cm 3 . The extracts were kept at 0°C.…”

Section: Determination Of Anti-oxidative Activitymentioning

confidence: 99%

“…Selenium possesses excellent photoelectrical and semiconductor properties, which make it extensively used in the production of photovoltaic cells, photographic exposure meters, xerography, and the glass industry [2][3][4][5][6]. Beside wide technological uses, selenium is also an essential trace element for living organisms, being a constituent of selenoproteins [7], an amino acid [4], and has a great importance in nourishment and medicine [3,8]. Selenium can improve the activity of the selenoenzyme, glutathione peroxidase, and prevents formation of free radicals from damaging cells and tissues in vivo [6,9].…”

Section: Introductionmentioning

confidence: 99%

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Biochemical Changes in Nostoc linckia Associated with Selenium Nanoparticles Biosynthesis

Zinicovscaia

Rudi

Valuta

et al. 2016

Ecological Chemistry and Engineering S

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Abstract:The cyanobacterium Nostoc linckia was used to study the biotechnology of selenium nanoparticles synthesis for the first time. The experimental conditions of the nanoparticle production by the studied cyanobacteria in aqueous cobalt selenite solutions were examined. Neutron activation analysis allowed characterization of the dynamics of accumulation of the total selenium quantity by Nostoc linсkia. Scanning Electron Microscope images demonstrated extracellular formation of amorphous nanoparticles. Released selenium nanoparticles ranged in size from 10 to 80 nm. The changes of essential parameters of biomass (proteins, lipids, carbohydrates, and phycobilin) content during the nanoparticle formation were assessed. During the first 24 h of nanoparticle synthesis, a slight decline of proteins, lipids and carbohydrates content in the biomass was observed. The most extensive was the process of phycobilin degradation. Furthermore, all biochemical component content as well as an antioxidant activity of the biomass extracts significantly decreased. The obtained substance of Nostoc biomass with selenium nanoparticles may be used for medical, pharmaceutical and technological purposes.

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“…Up to date, already synthesized have been the following semiconductor inks with: Si [61,62], ZnS [63,64], ZnO [65,66], ZnSe [67], Se [68,69], CdS [70,71], CdSe [72,73], CdTe [74,75], GaAs [76,77], GaSb [78]. The Ge ink was not synthesized but Ge nanoparticles have been already synthesized [79].…”

Section: Semiconductor Inksmentioning

confidence: 99%

Lateral multijunction photovoltaic cells

Kulish¹,

Lashkaryov²

2013

Semicond. Phys. Quantum Electron. Optoelectron.

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Abstract. In this work, features of solar cells of lateral type were analyzed. The authors offered a design of a monolithic compact solar module with cells electrically connected in series and with a dispersion element (holographic grating). Simulation of a multistage converter was carried out. It has been shown that with increasing the number of cells n the maximum limited efficiency  increases. Its maximum values up to  ≈ 53.6% are reached for n = 15 (in the case of perfectly matched semiconductors and conditions AM0). With further increase of n , the efficiency decreases. For a set of concrete semiconductors  ≈ 45% the maximum efficiency for AM0 conditions may be achieved, when the number of cells equals 4. It has been shown that the calculation results agree with experimental data. The possibility of technical implementation of solar cells with using inkjet printers was investigated, too. Briefly discussed have been the properties of these printers, as well as metal, semiconductor and dielectric inks.

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An Organic Acid-induced Synthesis and Characterization of Selenium Nanoparticles

Cited by 88 publications

References 20 publications

Selenium as a pleiotropic agent for medical discovery and drug delivery

Selenium as a pleiotropic agent for medical discovery and drug delivery

Biochemical Changes in Nostoc linckia Associated with Selenium Nanoparticles Biosynthesis

Lateral multijunction photovoltaic cells

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