메뉴 건너뛰기




Volumn 466-467, Issue , 2014, Pages 577-585

The impact of solution chemistry of electrolyte on the sorption of pentachlorophenol and phenanthrene by natural hematite nanoparticles

Author keywords

Hematite; Natural nanoparticles; Pentachlorophenol (PCP); Phenanthrene (PHE); Sorption

Indexed keywords

COMPETITIVE SORPTION; ENVIRONMENTAL FUNCTIONS; HEMATITE NANOPARTICLES; HYDROPHOBIC ORGANIC CONTAMINANT; INTERFACIAL BEHAVIORS; PENTACHLOROPHENOL (PCP); PHENANTHRENE (PHE); SURFACE CHARACTERISTICS;

EID: 84882773858     PISSN: 00489697     EISSN: 18791026     Source Type: Journal    
DOI: 10.1016/j.scitotenv.2013.07.072     Document Type: Article
Times cited : (42)

References (58)
  • 1
    • 39749194339 scopus 로고    scopus 로고
    • Adsorption of reactive dye from an aqueous solution by chitosan: isotherm, kinetic and thermodynamic analysis
    • Annadurai G.L., Ling L., Lee J. Adsorption of reactive dye from an aqueous solution by chitosan: isotherm, kinetic and thermodynamic analysis. J Hazard Mater 2008, 152:337-346.
    • (2008) J Hazard Mater , vol.152 , pp. 337-346
    • Annadurai, G.L.1    Ling, L.2    Lee, J.3
  • 2
    • 68349093997 scopus 로고    scopus 로고
    • Effect of background electrolytes on the adsorption of nitroaromatic compounds onto bentonite
    • Chen B., Huang W. Effect of background electrolytes on the adsorption of nitroaromatic compounds onto bentonite. J Environ Sci 2009, 21:1044-1052.
    • (2009) J Environ Sci , vol.21 , pp. 1044-1052
    • Chen, B.1    Huang, W.2
  • 3
    • 0742323877 scopus 로고    scopus 로고
    • Irreversible sorption of pentachlorophenol to sediments: experimental observations
    • Chen Y., Chen H., Xu Y., Shen M. Irreversible sorption of pentachlorophenol to sediments: experimental observations. Environ Int 2004, 30(1):31-37.
    • (2004) Environ Int , vol.30 , Issue.1 , pp. 31-37
    • Chen, Y.1    Chen, H.2    Xu, Y.3    Shen, M.4
  • 4
    • 33644862109 scopus 로고    scopus 로고
    • Aggregation kinetics of alginate-coated hematite nanoparticles in monovalent and divalent electrolytes
    • Chen K., Mylon S.E., Elimelech M. Aggregation kinetics of alginate-coated hematite nanoparticles in monovalent and divalent electrolytes. Environ Sci Technol 2006, 40:1516-1523.
    • (2006) Environ Sci Technol , vol.40 , pp. 1516-1523
    • Chen, K.1    Mylon, S.E.2    Elimelech, M.3
  • 5
    • 54749151053 scopus 로고    scopus 로고
    • Adsorption of nonionic aromatic compounds to single-walled carbon nanotubes: effects of aqueous solution chemistry
    • Chen J., Chen W., Zhu D. Adsorption of nonionic aromatic compounds to single-walled carbon nanotubes: effects of aqueous solution chemistry. Environ Sci Technol 2008, 42:7225-7230.
    • (2008) Environ Sci Technol , vol.42 , pp. 7225-7230
    • Chen, J.1    Chen, W.2    Zhu, D.3
  • 6
    • 80054940994 scopus 로고    scopus 로고
    • Effects of solution chemistry on the adsorption of ibuprofen and triclosan onto carbon nanotubes
    • Cho H.H., Huang H., Schwab K. Effects of solution chemistry on the adsorption of ibuprofen and triclosan onto carbon nanotubes. Langmuir 2011, 27:12960-12967.
    • (2011) Langmuir , vol.27 , pp. 12960-12967
    • Cho, H.H.1    Huang, H.2    Schwab, K.3
  • 7
    • 45249123882 scopus 로고    scopus 로고
    • Size dependent and reactive oxygen species related nanosilver toxicity to nitrifying bacteria
    • Choi O., Hu Z. Size dependent and reactive oxygen species related nanosilver toxicity to nitrifying bacteria. Environ Sci Technol 2008, 42:4583-4588.
    • (2008) Environ Sci Technol , vol.42 , pp. 4583-4588
    • Choi, O.1    Hu, Z.2
  • 9
    • 33845774471 scopus 로고    scopus 로고
    • Influence of surface potential on aggregation and transport of titania nanoparticles
    • Dunphy-Guzman K.A., Finnegan M.P., Banfield J.F. Influence of surface potential on aggregation and transport of titania nanoparticles. Environ Sci Technol 2006, 40:7688-7693.
    • (2006) Environ Sci Technol , vol.40 , pp. 7688-7693
    • Dunphy-Guzman, K.A.1    Finnegan, M.P.2    Banfield, J.F.3
  • 10
    • 0028393196 scopus 로고
    • Hycrest crested wheatgrass accelerates the degradation of pentachlorophenol in soil
    • Ferro A., Sims R., Bugbee B. Hycrest crested wheatgrass accelerates the degradation of pentachlorophenol in soil. J Environ Qual 1994, 23:272-279.
    • (1994) J Environ Qual , vol.23 , pp. 272-279
    • Ferro, A.1    Sims, R.2    Bugbee, B.3
  • 11
    • 79960510228 scopus 로고    scopus 로고
    • Effect of dispersion on adsorption of atrazine by aqueous suspensions of fullerenes
    • Gai K., Shi B., Yan X., Wang D. Effect of dispersion on adsorption of atrazine by aqueous suspensions of fullerenes. Environ Sci Technol 2011, 45:5959-5965.
    • (2011) Environ Sci Technol , vol.45 , pp. 5959-5965
    • Gai, K.1    Shi, B.2    Yan, X.3    Wang, D.4
  • 12
    • 79955536511 scopus 로고    scopus 로고
    • Adsorption of pentachlorophenol from aqueous solution on dodecylbenzenesulfonate modified nickel-titanium layered double hydroxide nanocomposites
    • Gao Z., Du B., Zhang G., Gao Y., Li Z., Zhang H., et al. Adsorption of pentachlorophenol from aqueous solution on dodecylbenzenesulfonate modified nickel-titanium layered double hydroxide nanocomposites. Ind Eng Chem Res 2011, 50:5334-5345.
    • (2011) Ind Eng Chem Res , vol.50 , pp. 5334-5345
    • Gao, Z.1    Du, B.2    Zhang, G.3    Gao, Y.4    Li, Z.5    Zhang, H.6
  • 13
    • 34547561558 scopus 로고    scopus 로고
    • Concentrations of pentachlorophenol (PCP) in fish and shrimp in Jiangsu Province, China
    • Ge J., Pan J., Fei Z., Wu G., Giesy J.P. Concentrations of pentachlorophenol (PCP) in fish and shrimp in Jiangsu Province, China. Chemosphere 2007, 69:164-169.
    • (2007) Chemosphere , vol.69 , pp. 164-169
    • Ge, J.1    Pan, J.2    Fei, Z.3    Wu, G.4    Giesy, J.P.5
  • 14
    • 33646878282 scopus 로고    scopus 로고
    • Detailed sorption isotherms of pentachlorophenol on soils and its correlation with soil properties
    • He Y., Xu J., Wang H., Ma Z., Chen J. Detailed sorption isotherms of pentachlorophenol on soils and its correlation with soil properties. Environ Res 2006, 101:362-372.
    • (2006) Environ Res , vol.101 , pp. 362-372
    • He, Y.1    Xu, J.2    Wang, H.3    Ma, Z.4    Chen, J.5
  • 15
    • 33747091907 scopus 로고    scopus 로고
    • Potential contributions of soil minerals and organic matter to pentachlorophenol retention in soils
    • He Y., Xu J., Wang H., Zhang Q., Muhammad A. Potential contributions of soil minerals and organic matter to pentachlorophenol retention in soils. Chemosphere 2006, 65:497-505.
    • (2006) Chemosphere , vol.65 , pp. 497-505
    • He, Y.1    Xu, J.2    Wang, H.3    Zhang, Q.4    Muhammad, A.5
  • 16
    • 34047131838 scopus 로고    scopus 로고
    • Generalized models for prediction of pentachlorophenol dissipation dynamics in soils
    • He Y., Xu J., Wang H., Wu Y. Generalized models for prediction of pentachlorophenol dissipation dynamics in soils. Environ Pollut 2007, 147:343-349.
    • (2007) Environ Pollut , vol.147 , pp. 343-349
    • He, Y.1    Xu, J.2    Wang, H.3    Wu, Y.4
  • 17
    • 37349118992 scopus 로고    scopus 로고
    • Kinetic stability of hematite nanoparticles: the effect of particle sizes
    • He Y., Wan J., Tokunaga T. Kinetic stability of hematite nanoparticles: the effect of particle sizes. J Nanopart Res 2008, 10:321-332.
    • (2008) J Nanopart Res , vol.10 , pp. 321-332
    • He, Y.1    Wan, J.2    Tokunaga, T.3
  • 19
    • 45249117462 scopus 로고    scopus 로고
    • Natural Organic Matter (NOM) Adsorption to multi-walled carbon nanotubes: effect of NOM characteristics and water quality parameters
    • Hyung H., Kim J.H. Natural Organic Matter (NOM) Adsorption to multi-walled carbon nanotubes: effect of NOM characteristics and water quality parameters. Environ Sci Technol 2008, 42:4416-4421.
    • (2008) Environ Sci Technol , vol.42 , pp. 4416-4421
    • Hyung, H.1    Kim, J.H.2
  • 20
    • 54749140121 scopus 로고    scopus 로고
    • Sorption of phenanthrene by dissolved organic matter and its complex with aluminum oxide nanoparticles
    • Iorio M., Pan B., Capasso R., Xing B. Sorption of phenanthrene by dissolved organic matter and its complex with aluminum oxide nanoparticles. Environ Pollut 2008, 156:1021-1029.
    • (2008) Environ Pollut , vol.156 , pp. 1021-1029
    • Iorio, M.1    Pan, B.2    Capasso, R.3    Xing, B.4
  • 22
    • 0029656682 scopus 로고    scopus 로고
    • Competitive interactions among components of humic acids in granular activated carbon adsorption systems: effects of solution chemistry
    • Kilduff J.E., Karanfil T., Weber W.J. Competitive interactions among components of humic acids in granular activated carbon adsorption systems: effects of solution chemistry. Environ Sci Technol 1996, 30:1344-1351.
    • (1996) Environ Sci Technol , vol.30 , pp. 1344-1351
    • Kilduff, J.E.1    Karanfil, T.2    Weber, W.J.3
  • 23
    • 33746903476 scopus 로고    scopus 로고
    • Metal retention and transport on colloidal particles in the environment
    • Kretzschmar R., Schäfer T. Metal retention and transport on colloidal particles in the environment. Elements 2005, 1:205-210.
    • (2005) Elements , vol.1 , pp. 205-210
    • Kretzschmar, R.1    Schäfer, T.2
  • 25
    • 64549151337 scopus 로고    scopus 로고
    • Influence of organic amendments on the sorption of pentachlorophenol on soils
    • Li R., Wen B., Zhang S., Pei Z., Shan X. Influence of organic amendments on the sorption of pentachlorophenol on soils. J Environ Sci 2009, 21:474-480.
    • (2009) J Environ Sci , vol.21 , pp. 474-480
    • Li, R.1    Wen, B.2    Zhang, S.3    Pei, Z.4    Shan, X.5
  • 26
    • 84870291810 scopus 로고    scopus 로고
    • Extraction and characterization of natural soil nanoparticles from Chinese soils
    • Li W., He Y., Wu J., Xu J. Extraction and characterization of natural soil nanoparticles from Chinese soils. Eur J Soil Sci 2012, 63:754-761.
    • (2012) Eur J Soil Sci , vol.63 , pp. 754-761
    • Li, W.1    He, Y.2    Wu, J.3    Xu, J.4
  • 27
    • 84878757763 scopus 로고    scopus 로고
    • Polyaromatic hydrocarbons (PAHs) sorption behavior unaffected by the presence of multi-walled carbon nanotubes (MWNTs) in a natural soil system
    • Li S., Anderson T.A., Green M.J., Maul J.D., Cañas-Carrell J.E. Polyaromatic hydrocarbons (PAHs) sorption behavior unaffected by the presence of multi-walled carbon nanotubes (MWNTs) in a natural soil system. Environ Sci Process Impacts 2013, 15:1130-1136.
    • (2013) Environ Sci Process Impacts , vol.15 , pp. 1130-1136
    • Li, S.1    Anderson, T.A.2    Green, M.J.3    Maul, J.D.4    Cañas-Carrell, J.E.5
  • 28
    • 84872191896 scopus 로고    scopus 로고
    • Determination of multi-walled carbon nanotube bioaccumulation in earthworms measured by a microwave-based detection technique
    • Li S., Canas-Carrell J.E., Irin F., Atore F.O., Green M.J. Determination of multi-walled carbon nanotube bioaccumulation in earthworms measured by a microwave-based detection technique. Sci Total Environ 2013, 445-446:9-13.
    • (2013) Sci Total Environ , pp. 9-13
    • Li, S.1    Canas-Carrell, J.E.2    Irin, F.3    Atore, F.O.4    Green, M.J.5
  • 29
    • 84874724243 scopus 로고    scopus 로고
    • Enhancement of water solubility and mobility of phenanthrene by natural soil nanoparticles
    • Li W., Zhu X., He Y., Xing B., Xu J., Brookes P.C. Enhancement of water solubility and mobility of phenanthrene by natural soil nanoparticles. Environ Pollut 2013, 176:228-233.
    • (2013) Environ Pollut , vol.176 , pp. 228-233
    • Li, W.1    Zhu, X.2    He, Y.3    Xing, B.4    Xu, J.5    Brookes, P.C.6
  • 31
    • 54749136634 scopus 로고    scopus 로고
    • Adsorption of phenolic compounds by carbon nanotubes: role of aromaticity and substitution of hydroxyl groups
    • Lin D., Xing B. Adsorption of phenolic compounds by carbon nanotubes: role of aromaticity and substitution of hydroxyl groups. Environ Sci Technol 2008, 42:7254-7259.
    • (2008) Environ Sci Technol , vol.42 , pp. 7254-7259
    • Lin, D.1    Xing, B.2
  • 32
    • 33748631281 scopus 로고    scopus 로고
    • Nanoparticles and their biological and environmental applications
    • Liu W. Nanoparticles and their biological and environmental applications. J Biosci Bioeng 2006, 102:1-7.
    • (2006) J Biosci Bioeng , vol.102 , pp. 1-7
    • Liu, W.1
  • 34
    • 78649936751 scopus 로고    scopus 로고
    • Sorption and desorption of pentachlorophenol to black carbon of three different origins
    • Luo L., Lou L., Cui X., Wu B., Hou J., Xun B., et al. Sorption and desorption of pentachlorophenol to black carbon of three different origins. J Hazard Mater 2011, 185:639-646.
    • (2011) J Hazard Mater , vol.185 , pp. 639-646
    • Luo, L.1    Lou, L.2    Cui, X.3    Wu, B.4    Hou, J.5    Xun, B.6
  • 36
    • 84865304135 scopus 로고    scopus 로고
    • Applications and implications of manufactured nanoparticles in soils: a review
    • Pan B., Xing B. Applications and implications of manufactured nanoparticles in soils: a review. Eur J Soil Sci 2012, 63:437-456.
    • (2012) Eur J Soil Sci , vol.63 , pp. 437-456
    • Pan, B.1    Xing, B.2
  • 37
    • 72849121484 scopus 로고    scopus 로고
    • Assay-dependent phytotoxicity of nanoparticles to plants
    • Stampoulis D., Sinha S.K., White J.C. Assay-dependent phytotoxicity of nanoparticles to plants. Environ Sci Technol 2009, 43:9473-9479.
    • (2009) Environ Sci Technol , vol.43 , pp. 9473-9479
    • Stampoulis, D.1    Sinha, S.K.2    White, J.C.3
  • 38
    • 0028669898 scopus 로고
    • Sorption of pentachlorophenol to HDTMA-clay as a function of ionic strength and pH
    • Stapleton M.G., Sparks D.L., Dentel S.K. Sorption of pentachlorophenol to HDTMA-clay as a function of ionic strength and pH. Environ Sci Technol 1994, 28:2330-2335.
    • (1994) Environ Sci Technol , vol.28 , pp. 2330-2335
    • Stapleton, M.G.1    Sparks, D.L.2    Dentel, S.K.3
  • 39
    • 54849440522 scopus 로고    scopus 로고
    • Influence of silver nanoparticles on neurons and blood-brain barrier via subcutaneous injection in rats
    • Tang J., Xiong L., Wang S., Wang J., Liu L., Li J., et al. Influence of silver nanoparticles on neurons and blood-brain barrier via subcutaneous injection in rats. Appl Surf Sci 2008, 255:502-504.
    • (2008) Appl Surf Sci , vol.255 , pp. 502-504
    • Tang, J.1    Xiong, L.2    Wang, S.3    Wang, J.4    Liu, L.5    Li, J.6
  • 40
    • 59749092391 scopus 로고    scopus 로고
    • Nanoparticles in the soil environment
    • Theng B.K., Yuan G. Nanoparticles in the soil environment. Elements 2008, 4:395-399.
    • (2008) Elements , vol.4 , pp. 395-399
    • Theng, B.K.1    Yuan, G.2
  • 41
    • 38949199326 scopus 로고    scopus 로고
    • Nanotechnology and water treatment: applications and emerging opportunities
    • Theron J., Walker J.A., Cloete T.E. Nanotechnology and water treatment: applications and emerging opportunities. Crit Rev Microbiol 2008, 34:43-69.
    • (2008) Crit Rev Microbiol , vol.34 , pp. 43-69
    • Theron, J.1    Walker, J.A.2    Cloete, T.E.3
  • 42
    • 79955578360 scopus 로고    scopus 로고
    • Structural transformation and physicochemical properties of environmental nanoparticles by comparison of various particle-size fractions
    • Tsao T., Chen Y., Wang M., Huang P. Structural transformation and physicochemical properties of environmental nanoparticles by comparison of various particle-size fractions. Soil Sci Soc Am J 2011, 75:533-541.
    • (2011) Soil Sci Soc Am J , vol.75 , pp. 533-541
    • Tsao, T.1    Chen, Y.2    Wang, M.3    Huang, P.4
  • 44
    • 27744572410 scopus 로고    scopus 로고
    • Adsorption of l-histidine over mesoporous carbon molecular sieves
    • Vinu A., Hossain K.Z., Satish-Kumar G., Ariga K. Adsorption of l-histidine over mesoporous carbon molecular sieves. Carbon 2006, 44:530-536.
    • (2006) Carbon , vol.44 , pp. 530-536
    • Vinu, A.1    Hossain, K.Z.2    Satish-Kumar, G.3    Ariga, K.4
  • 45
    • 69249213929 scopus 로고    scopus 로고
    • Adsorption and inhibition of acetylcholinesterase by different nanoparticles
    • Wang Z., Zhao J., Li F., Gao D., Xing B. Adsorption and inhibition of acetylcholinesterase by different nanoparticles. Chemosphere 2009, 77:67-73.
    • (2009) Chemosphere , vol.77 , pp. 67-73
    • Wang, Z.1    Zhao, J.2    Li, F.3    Gao, D.4    Xing, B.5
  • 46
    • 79960527464 scopus 로고    scopus 로고
    • Adsorption and desorption of phenanthrene on carbon nanotubes in simulated gastrointestinal fluids
    • Wang Z., Zhao J., Song L., Mashayekhi H., Chefetz B., Xing B. Adsorption and desorption of phenanthrene on carbon nanotubes in simulated gastrointestinal fluids. Environ Sci Technol 2011, 45:6018-6024.
    • (2011) Environ Sci Technol , vol.45 , pp. 6018-6024
    • Wang, Z.1    Zhao, J.2    Song, L.3    Mashayekhi, H.4    Chefetz, B.5    Xing, B.6
  • 47
    • 84872197482 scopus 로고    scopus 로고
    • Soil-water interfacial adsorption of phenanthrene along a Chinese climatic gradient of soils with and without the addition of black carbon
    • Wang P., Zhou J., Zhang J., Wu J., Xu J. Soil-water interfacial adsorption of phenanthrene along a Chinese climatic gradient of soils with and without the addition of black carbon. Sci Total Environ 2013, 444:543-551.
    • (2013) Sci Total Environ , vol.444 , pp. 543-551
    • Wang, P.1    Zhou, J.2    Zhang, J.3    Wu, J.4    Xu, J.5
  • 48
    • 24344502761 scopus 로고    scopus 로고
    • Nanoparticulate iron oxide minerals in soils and sediments: unique properties and contaminant scavenging mechanisms
    • Waychunas G., Kim C., Banfield J. Nanoparticulate iron oxide minerals in soils and sediments: unique properties and contaminant scavenging mechanisms. J Nanopart Res 2005, 7:409-433.
    • (2005) J Nanopart Res , vol.7 , pp. 409-433
    • Waychunas, G.1    Kim, C.2    Banfield, J.3
  • 50
    • 60949109336 scopus 로고    scopus 로고
    • Adsorption of fulvic acid by carbon nanotubes from water
    • Yang K., Xing B. Adsorption of fulvic acid by carbon nanotubes from water. Environ Pollut 2009, 157:1095-1100.
    • (2009) Environ Pollut , vol.157 , pp. 1095-1100
    • Yang, K.1    Xing, B.2
  • 52
    • 77954875603 scopus 로고    scopus 로고
    • Adsorption of organic compounds by carbon nanomaterials in aqueous phase: polanyi theory and its application
    • Yang K., Xing B. Adsorption of organic compounds by carbon nanomaterials in aqueous phase: polanyi theory and its application. Chem Rev 2010, 110:5989-6008.
    • (2010) Chem Rev , vol.110 , pp. 5989-6008
    • Yang, K.1    Xing, B.2
  • 53
    • 33748790423 scopus 로고    scopus 로고
    • Competitive sorption of pyrene, phenanthrene, and naphthalene on multiwalled carbon nanotubes
    • Yang K., Wang X., Zhu L., Xing B. Competitive sorption of pyrene, phenanthrene, and naphthalene on multiwalled carbon nanotubes. Environ Sci Technol 2006, 40:5804-5810.
    • (2006) Environ Sci Technol , vol.40 , pp. 5804-5810
    • Yang, K.1    Wang, X.2    Zhu, L.3    Xing, B.4
  • 54
    • 55349096100 scopus 로고    scopus 로고
    • Aqueous adsorption of aniline, phenol, and their substitutes by multi-walled carbon nanotubes
    • Yang K., Wu W., Jing Q., Zhu L. Aqueous adsorption of aniline, phenol, and their substitutes by multi-walled carbon nanotubes. Environ Sci Technol 2008, 42:7931-7936.
    • (2008) Environ Sci Technol , vol.42 , pp. 7931-7936
    • Yang, K.1    Wu, W.2    Jing, Q.3    Zhu, L.4
  • 55
    • 77449106885 scopus 로고    scopus 로고
    • Sorption of phenanthrene by nanosized alumina coated with sequentially extracted humic acids
    • Yang K., Zhu L., Xing B. Sorption of phenanthrene by nanosized alumina coated with sequentially extracted humic acids. Environ Sci Pollut Res 2010, 17:410-419.
    • (2010) Environ Sci Pollut Res , vol.17 , pp. 410-419
    • Yang, K.1    Zhu, L.2    Xing, B.3
  • 57
    • 80052029646 scopus 로고    scopus 로고
    • Strong adsorption of chlorotetracycline on magnetite nanoparticles
    • Zhang D., Niu H., Zhang X., Meng Z., Cai Y. Strong adsorption of chlorotetracycline on magnetite nanoparticles. J Hazard Mater 2011, 192:1088-1093.
    • (2011) J Hazard Mater , vol.192 , pp. 1088-1093
    • Zhang, D.1    Niu, H.2    Zhang, X.3    Meng, Z.4    Cai, Y.5
  • 58
    • 84861156879 scopus 로고    scopus 로고
    • Pulmonary surfactant suppressed phenanthrene adsorption on carbon nanotubes through solubilization and competition as examined by passive dosing technique
    • Zhao J., Wang Z., Mashayekhi H., Mayer P., Chefetz B., Xing B. Pulmonary surfactant suppressed phenanthrene adsorption on carbon nanotubes through solubilization and competition as examined by passive dosing technique. Environ Sci Technol 2012, 46:5369-5377.
    • (2012) Environ Sci Technol , vol.46 , pp. 5369-5377
    • Zhao, J.1    Wang, Z.2    Mashayekhi, H.3    Mayer, P.4    Chefetz, B.5    Xing, B.6


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.