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Adsorption Properties of Tetracycline onto Graphene Oxide: Equilibrium, Kinetic and Thermodynamic Studies
Open accessAbstract
Graphene oxide (GO) nanoparticle is a high potential effective absorbent. Tetracycline (TC) is a broad-spectrum antibiotic produced, indicated for use against many bacterial infections. In the present research, a systematic study of the adsorption and release process of tetracycline on GO was performed by varying pH, sorption time and temperature. The results of our studies showed that tetracycline strongly loads on the GO surface via π-π interaction and cation-π bonding. Investigation of TC adsorption kinetics showed that the equilibrium was reached within 15 min following the pseudo-second-order model with observed rate constants of k2 = 0.2742-0.5362 g/mg min (at different temperatures). The sorption data has interpreted by the Langmuir model with the maximum adsorption of 323 mg/g (298 K). The mean energy of adsorption was determined 1.83 kJ/mol (298 K) based on the Dubinin-Radushkevich (D-R) adsorption isotherm. Moreover, the thermodynamic parameters such as ΔH°, ΔS° and ΔG° values for the adsorption were estimated which indicated the endothermic and spontaneous nature of the sorption process. The electrochemistry approved an ideal reaction for the adsorption under electrodic process. Simulation of GO and TC was done by LAMMPS. Force studies in z direction showed that tetracycline comes close to GO sheet by C8 direction. Then it goes far and turns and again comes close from amine group to the GO sheet.
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The chemistry of graphene oxide
Dreyer, D. R., Park, S., Bielawski, C. W., & Ruoff, R. S. (2010) · Chem. Soc. Rev. · doi:10.1039/b917103g · Cited by 11,653
Reduction of graphene oxide via l -ascorbic acid
Zhang, J., Yang, H., Shen, G., Cheng, P., Zhang, J., & Guo, S. (2010) · Chem. Commun. · doi:10.1039/b917705a · Cited by 2,344
Liu, P., Liu, W.-J., Jiang, H., Chen, J.-J., Li, W.-W., & Yu, H.-Q. (2012) · Bioresource Technology · doi:10.1016/j.biortech.2012.06.085 · Cited by 643
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Role of nanomaterials in water treatment applications: A review
Santhosh, C., Velmurugan, V., Jacob, G., Jeong, S. K., Grace, A. N., & Bhatnagar, A. (2016) · Chemical Engineering Journal · doi:10.1016/j.cej.2016.08.053 · Cited by 1,256
Removal of emerging contaminants from the environment by adsorption
Sophia A., C., & Lima, E. C. (2018) · Ecotoxicology and Environmental Safety · doi:10.1016/j.ecoenv.2017.12.026 · Cited by 913
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Thakur, K., & Kandasubramanian, B. (2019) · Journal of Chemical & Engineering Data · doi:10.1021/acs.jced.8b01057 · Cited by 469
Nanotechnology-based water quality management for wastewater treatment
Madhura, L., Singh, S., Kanchi, S., Sabela, M., Bisetty, K., & Inamuddin (2019) · Environmental Chemistry Letters · doi:10.1007/s10311-018-0778-8 · Cited by 167
Mahanta, A. K., Senapati, S., Paliwal, P., Krishnamurthy, S., Hemalatha, S., & Maiti, P. (2019) · Molecular Pharmaceutics · doi:10.1021/acs.molpharmaceut.8b00995 · Cited by 81
Metadata
- Authors
- Ghadim, E. E., Manouchehri, F., Soleimani, G., Hosseini, H., Kimiagar, S., & Nafisi, S.
- Venue
- PLoS ONE
- Publisher
- Public Library of Science (PLoS)
- Published
- 2013-11-26
- Volume
- 8
- Issue
- 11
- Pages
- e79254
- ISSN
- 1932-6203 (ISSN-L)
- OpenAlex
- W2065100232
- Cited by
- 201
- References
- 3
- FWCI
- 8.49
- Type
- journal article
- Language
- en
- Open access
- gold
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- Ghadim, E. E., Manouchehri, F., Soleimani, G., Hosseini, H., Kimiagar, S., & Nafisi, S. (2013). Adsorption Properties of Tetracycline onto Graphene Oxide: Equilibrium, Kinetic and Thermodynamic Studies. PLoS ONE. https://doi.org/10.1371/journal.pone.0079254
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