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The elimination of bisphenol A (BPA) from water solution is of great importance, since BPA can cause the functional abnormalities of human endocrine system. One feasible removal method is the adsorption by graphene oxide (GO). However, the interactions between BPA and GO at an atomic level are still unclear. In this study, molecular dynamics simulations are performed to investigate the adsorption of BPA on the GO surface. The results show that all BPA molecules are attached to both sides of GO. The adsorption conformations of BPA in the closest layer to GO surface mainly exhibit two patterns. One is that the benzene rings of BPA are parallel to the basal plane of GO to form - structures, and the other is the two hydroxyl groups of BPAs interacting with the oxygen-contained groups on GO to form hydrogen bonds. Exploration of the detailed interactions between BPA and GO indicates that the hydrophobic - stacking interaction is the dominant force in the adsorption of BPA on GO, while hydrogen bonding enhances the binding of BPA on GO surface. Eventually, potential of mean forces (PMF) of BPA and water molecules on GO are calculated by umbrella sampling. The binding energy of BPA on GO reaches 30 kJ/mol, six times as large as that of water on GO, which is only about 5 kJ/mol. Our simulations further confirm that GO owns strong adsorption capacity and GO can be used as sorbent to eliminate BPA in water solution.
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Keywords:
- bisphenol A /
- graphene oxide /
- adsorption /
- molecular dynamics simulations
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[2] Staplesa C A, Dorn P B, Klecka G M, OBlock S T, Branson D R, Harris L R 2000 Chemosphere 40 521
[3] Chang H S, Choo K H, Lee B, Choi S J 2009 J. Hazard Mater. 72 1
[4] Kang J H, Kondo F, Katayama Y 2006 Toxicology 226 79
[5] Deng H M, Liang C Y, Chen Y H 2009 Environ. Poll. Contrl. 31 70 (in Chinese) [邓红梅, 梁春营, 陈永亨 2009 环境污染与防治 31 70]
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[8] Chen L, Xu X H, Tian D 2009 Sci. China: Ser. C 39 1111 (in Chinese) [陈蕾, 徐晓虹, 田栋 2009 中国科学C辑: 生命科学 39 1111]
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[14] Mkhoyan K A, Contryman A W, Silcox J, Stewart D A, Eda G, Mattevi C, Miller S, Chhowalla M 2009 Nano Lett. 9 1058
[15] Lu C H, Yang H H, Zhu C L, Chen X, Chen G N 2009 Angew. Chem. 121 4879
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[18] Sun X M, Liu Z, Welsher K, Robinson J T, Goodwin A, Zaric S, Dai H J 2008 Nano Res 1 203
[19] Xu J, Wang L, Zhu Y F 2012 Langmuir 28 8418
[20] Xu J, Zhu Y F 2013 Acta Phys. -Chim. Sin. 29 829
[21] Zhang Y X, Cheng Y X, Chen N N, Zhou Y Y, Li B Y, Gu W, Shi X H, Xian Y Z 2014 J. Colloid Interf. Sci. 421 85
[22] Cortes-Arriagada D, Sanhueza L, Santander-Nelli M 2013 J. Mol. Model. 19 3569
[23] Berendsen H J C, van der Spoel D, Drunen R V 1995 Comput. Phys. Commun. 91 43
[24] Hess B, Kutzner C, van der Spoel D, Lindahl E 2008 J. Chem. Theory Comput. 4 435
[25] Schuttelkopf A W, van Aalten D M F 2004 Acta Cryst. D 60 1355
[26] Becke A D 1988 Phys. Rev. A 38 3098
[27] Frisch M J, Trucks G W, Schlegel H B 2003 Gaussian 03, Revision B.02 Gaussian, Inc: Pittsburgh, PA
[28] Shih C J, Lin S C, Sharma R, Strano M S, Blankschtein D 2012 Langmuir 28 235
[29] Tu Y S, L M, Xiu P, Huynh T, Zhang M, Castelli M, Liu Z R, Huang Q, Fan C H, Fang H P, Zhou R H 2013 Nat. Nanotech. 8 594
[30] Zeng S W, Chen L, Wang Y, Chen J L 2015 J. Phys. D: Appl. Phys. 48 275402
[31] Patra N, Wang B Y, Kral P 2009 Nano Lett. 9 3766
[32] Jorgensen W L, Chandrasekhar J, Madura J D, Impey R W, Klein M L 1983 J. Phys. Chem. 79 926
[33] Bussi G, Donadio D, Parrinello M 2007 J. Chem. Phys. 126 014101
[34] Essmann U, Perera L, Berkowitz M L, Darden T, Lee H, Pedersen L G 1995 J. Chem. Phys. 103 8577
[35] Darden T, York D, Pedersen L 1993 J. Chem. Phys. 98 10089
[36] Hess B, Bekker H, Berendsen H J C, Fraaije J G E M 1997 J. Comput. Chem. 18 1463
[37] Humphrey W, Dalke A, Schulten K 1996 J. Molec. Graphics 14 33
[38] Hub J S, de Groot B L, van der Spoel D 2010 J. Chem. Theory Comput. 6 3713
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[1] Staples C A, Dorn P B, Klecka G M, OBlook S T, Harris L R 1998 Chemosphere 36 2149
[2] Staplesa C A, Dorn P B, Klecka G M, OBlock S T, Branson D R, Harris L R 2000 Chemosphere 40 521
[3] Chang H S, Choo K H, Lee B, Choi S J 2009 J. Hazard Mater. 72 1
[4] Kang J H, Kondo F, Katayama Y 2006 Toxicology 226 79
[5] Deng H M, Liang C Y, Chen Y H 2009 Environ. Poll. Contrl. 31 70 (in Chinese) [邓红梅, 梁春营, 陈永亨 2009 环境污染与防治 31 70]
[6] Deng M X, Wu D S, Zhan L 2001 J. Environ. Health 18 134 (in Chinese) [邓茂先, 吴德生, 詹立 2001 环境与健康杂志 18 134]
[7] Yang D, Li D D, Liu S S, Yan Y Q 2008 Morden Preventive Medicine 35 3280 (in Chinese) [杨丹, 李丹丹, 刘姗姗, 严云勤 2008 现代预防医学 35 3280]
[8] Chen L, Xu X H, Tian D 2009 Sci. China: Ser. C 39 1111 (in Chinese) [陈蕾, 徐晓虹, 田栋 2009 中国科学C辑: 生命科学 39 1111]
[9] Chung C, Kim Y K, Shin D, Ryoo S R, Hong B H, Min D H 2013 Accounts Chem. Res. 46 2211
[10] Mao H Y, Laurent S, Chen W, Akhavan O, Imani M, Ashkarran A A, Mahmoudi M 2013 Chem. Rev. 113 3407
[11] Wang Y, Li Z, Wang J, Li J, Lin Y 2011 Trends Biotechnol. 29 205
[12] Lerf A, He H, Forster M, Klinowski J 1998 J. Phys. Chem. B 102 4477
[13] Dreyer D R, Park S, Bielawski C W, Ruoff R S 2010 Chem. Soc. Rev. 39 228
[14] Mkhoyan K A, Contryman A W, Silcox J, Stewart D A, Eda G, Mattevi C, Miller S, Chhowalla M 2009 Nano Lett. 9 1058
[15] Lu C H, Yang H H, Zhu C L, Chen X, Chen G N 2009 Angew. Chem. 121 4879
[16] He S L, Song B, Li D, Zhu C F, Qi W P, Wen Y Q, Wang L H, Song S P, Fang H P, Fan C H 2010 Adv. Funct. Mater. 20 453
[17] Liu Z, Robinson J T, Sun X M, Dai H J 2008 J. Am. Chem. Soc. 130 10876
[18] Sun X M, Liu Z, Welsher K, Robinson J T, Goodwin A, Zaric S, Dai H J 2008 Nano Res 1 203
[19] Xu J, Wang L, Zhu Y F 2012 Langmuir 28 8418
[20] Xu J, Zhu Y F 2013 Acta Phys. -Chim. Sin. 29 829
[21] Zhang Y X, Cheng Y X, Chen N N, Zhou Y Y, Li B Y, Gu W, Shi X H, Xian Y Z 2014 J. Colloid Interf. Sci. 421 85
[22] Cortes-Arriagada D, Sanhueza L, Santander-Nelli M 2013 J. Mol. Model. 19 3569
[23] Berendsen H J C, van der Spoel D, Drunen R V 1995 Comput. Phys. Commun. 91 43
[24] Hess B, Kutzner C, van der Spoel D, Lindahl E 2008 J. Chem. Theory Comput. 4 435
[25] Schuttelkopf A W, van Aalten D M F 2004 Acta Cryst. D 60 1355
[26] Becke A D 1988 Phys. Rev. A 38 3098
[27] Frisch M J, Trucks G W, Schlegel H B 2003 Gaussian 03, Revision B.02 Gaussian, Inc: Pittsburgh, PA
[28] Shih C J, Lin S C, Sharma R, Strano M S, Blankschtein D 2012 Langmuir 28 235
[29] Tu Y S, L M, Xiu P, Huynh T, Zhang M, Castelli M, Liu Z R, Huang Q, Fan C H, Fang H P, Zhou R H 2013 Nat. Nanotech. 8 594
[30] Zeng S W, Chen L, Wang Y, Chen J L 2015 J. Phys. D: Appl. Phys. 48 275402
[31] Patra N, Wang B Y, Kral P 2009 Nano Lett. 9 3766
[32] Jorgensen W L, Chandrasekhar J, Madura J D, Impey R W, Klein M L 1983 J. Phys. Chem. 79 926
[33] Bussi G, Donadio D, Parrinello M 2007 J. Chem. Phys. 126 014101
[34] Essmann U, Perera L, Berkowitz M L, Darden T, Lee H, Pedersen L G 1995 J. Chem. Phys. 103 8577
[35] Darden T, York D, Pedersen L 1993 J. Chem. Phys. 98 10089
[36] Hess B, Bekker H, Berendsen H J C, Fraaije J G E M 1997 J. Comput. Chem. 18 1463
[37] Humphrey W, Dalke A, Schulten K 1996 J. Molec. Graphics 14 33
[38] Hub J S, de Groot B L, van der Spoel D 2010 J. Chem. Theory Comput. 6 3713
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