Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment
Selenium nanoparticles (Se NPs) have predominant characteristics compared to that in their bulk usage due to their high surface-to-volume ratio. The walnut (Juglans regia L.) leaf extract containing different bioactive compounds that act as reductant and stabilizing agents has been used for the gree...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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De Gruyter
2020-06-01
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| Series: | Open Agriculture |
| Subjects: | |
| Online Access: | https://doi.org/10.1515/opag-2020-0024 |
| _version_ | 1819116458964156416 |
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| author | Sheikhlou Kosar Allahyari Somaiyeh Sabouri Sima Najian Yahya Jafarizadeh-Malmiri Hoda |
| author_facet | Sheikhlou Kosar Allahyari Somaiyeh Sabouri Sima Najian Yahya Jafarizadeh-Malmiri Hoda |
| author_sort | Sheikhlou Kosar |
| collection | DOAJ |
| description | Selenium nanoparticles (Se NPs) have predominant characteristics compared to that in their bulk usage due to their high surface-to-volume ratio. The walnut (Juglans regia L.) leaf extract containing different bioactive compounds that act as reductant and stabilizing agents has been used for the green synthesis of the Se NPs. Influences of two synthetic variables, namely, the amount of selenium salt solution ranging from 15 to 25 mL and the amount of walnut leaf extract ranging from 1 to 5 mL, on broad emission peak (λmax) and absorbance of colloidal solutions having Se NPs were evaluated via the response surface methodology. Obtained results indicated that using microwave radiation (800 W for 4 min) and 5 mL of walnut leaf extract and 15 mL of selenium salt solution, Se NPs with λmax, absorbance, particle size, polydispersity index, and zeta potential values of 375 nm, 3.65% absorbance unit (a.u.), 208 nm, 0.206, and −24.7 mV were synthesized, which had high bactericidal activity toward Escherichia coli and Staphylococcus aureus. The transmission electron microscopy analysis also indicated that spherical and monodispersed Se NPs with a mean particle size of 150 nm were formed using the walnut leaf extract. |
| first_indexed | 2024-12-22T05:17:25Z |
| format | Article |
| id | doaj.art-3088231da186487c94b2f79126e90a73 |
| institution | Directory Open Access Journal |
| issn | 2391-9531 |
| language | English |
| last_indexed | 2024-12-22T05:17:25Z |
| publishDate | 2020-06-01 |
| publisher | De Gruyter |
| record_format | Article |
| series | Open Agriculture |
| spelling | doaj.art-3088231da186487c94b2f79126e90a732022-12-21T18:37:49ZengDe GruyterOpen Agriculture2391-95312020-06-015122723510.1515/opag-2020-0024opag-2020-0024Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessmentSheikhlou Kosar0Allahyari Somaiyeh1Sabouri Sima2Najian Yahya3Jafarizadeh-Malmiri Hoda4Faculty of Chemical Engineering, Sahand University of Technology, 51335-1996 Sahand, East Azarbaijan, Tabriz, IranFaculty of Chemical Engineering, Sahand University of Technology, 51335-1996 Sahand, East Azarbaijan, Tabriz, IranDepartment of Food Science and Technology, Faculty of Agriculture, Saba Institute of Higher Education, Urmia, IranResearch and Development Department, Najian Herbal Group, East Azarbaijan, Tabriz, IranFaculty of Chemical Engineering, Sahand University of Technology, 51335-1996 Sahand, East Azarbaijan, Tabriz, IranSelenium nanoparticles (Se NPs) have predominant characteristics compared to that in their bulk usage due to their high surface-to-volume ratio. The walnut (Juglans regia L.) leaf extract containing different bioactive compounds that act as reductant and stabilizing agents has been used for the green synthesis of the Se NPs. Influences of two synthetic variables, namely, the amount of selenium salt solution ranging from 15 to 25 mL and the amount of walnut leaf extract ranging from 1 to 5 mL, on broad emission peak (λmax) and absorbance of colloidal solutions having Se NPs were evaluated via the response surface methodology. Obtained results indicated that using microwave radiation (800 W for 4 min) and 5 mL of walnut leaf extract and 15 mL of selenium salt solution, Se NPs with λmax, absorbance, particle size, polydispersity index, and zeta potential values of 375 nm, 3.65% absorbance unit (a.u.), 208 nm, 0.206, and −24.7 mV were synthesized, which had high bactericidal activity toward Escherichia coli and Staphylococcus aureus. The transmission electron microscopy analysis also indicated that spherical and monodispersed Se NPs with a mean particle size of 150 nm were formed using the walnut leaf extract.https://doi.org/10.1515/opag-2020-0024green synthesismicrowave heatingphysicochemical propertiesselenium nanoparticleswalnut leaf |
| spellingShingle | Sheikhlou Kosar Allahyari Somaiyeh Sabouri Sima Najian Yahya Jafarizadeh-Malmiri Hoda Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment Open Agriculture green synthesis microwave heating physicochemical properties selenium nanoparticles walnut leaf |
| title | Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment |
| title_full | Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment |
| title_fullStr | Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment |
| title_full_unstemmed | Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment |
| title_short | Walnut leaf extract-based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment |
| title_sort | walnut leaf extract based green synthesis of selenium nanoparticles via microwave irradiation and their characteristics assessment |
| topic | green synthesis microwave heating physicochemical properties selenium nanoparticles walnut leaf |
| url | https://doi.org/10.1515/opag-2020-0024 |
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