메뉴 건너뛰기




Volumn 50, Issue 13, 2016, Pages 7208-7217

Chemical Dissolution Pathways of MoS2 Nanosheets in Biological and Environmental Media

Author keywords

[No Author keywords available]

Indexed keywords

DISSOLUTION; ENVIRONMENTAL REGULATIONS; KINETICS; MEDICAL APPLICATIONS; MOLYBDENUM COMPOUNDS; OXIDATION;

EID: 84978946736     PISSN: 0013936X     EISSN: 15205851     Source Type: Journal    
DOI: 10.1021/acs.est.6b01881     Document Type: Article
Times cited : (226)

References (68)
  • 1
    • 84870437215 scopus 로고    scopus 로고
    • Chemical Transformations of Nanosilver in Biological Environments
    • Liu, J.; Wang, Z.; Liu, F. D.; Kane, A. B.; Hurt, R. H. Chemical Transformations of Nanosilver in Biological Environments ACS Nano 2012, 6, 9887-9899 10.1021/nn303449n
    • (2012) ACS Nano , vol.6 , pp. 9887-9899
    • Liu, J.1    Wang, Z.2    Liu, F.D.3    Kane, A.B.4    Hurt, R.H.5
  • 2
    • 56049106549 scopus 로고    scopus 로고
    • Comparison of the Mechanism of Toxicity of Zinc Oxide and Cerium Oxide Nanoparticles Based on Dissolution and Oxidative Stress Properties
    • Xia, T.; Kovochich, M.; Liong, M.; Mädler, L.; Gilbert, B.; Shi, H.; Yeh, J. I.; Zink, J. I.; Nel, A. E. Comparison of the Mechanism of Toxicity of Zinc Oxide and Cerium Oxide Nanoparticles Based on Dissolution and Oxidative Stress Properties ACS Nano 2008, 2, 2121-2134 10.1021/nn800511k
    • (2008) ACS Nano , vol.2 , pp. 2121-2134
    • Xia, T.1    Kovochich, M.2    Liong, M.3    Mädler, L.4    Gilbert, B.5    Shi, H.6    Yeh, J.I.7    Zink, J.I.8    Nel, A.E.9
  • 4
    • 77955697820 scopus 로고    scopus 로고
    • Toxicity of Silver Nanoparticles Increases during Storage because of Slow Dissolution under Release of Silver Ions
    • Kittler, S.; Greulich, C.; Diendorf, J.; Koller, M.; Epple, M. Toxicity of Silver Nanoparticles Increases During Storage Because of Slow Dissolution under Release of Silver Ions Chem. Mater. 2010, 22, 4548-4554 10.1021/cm100023p
    • (2010) Chem. Mater. , vol.22 , pp. 4548-4554
    • Kittler, S.1    Greulich, C.2    Diendorf, J.3    Koller, M.4    Epple, M.5
  • 5
    • 84887006898 scopus 로고    scopus 로고
    • Biological and Environmental Transformations of Copper-Based Nanomaterials
    • Wang, Z.; Von Dem Bussche, A.; Kabadi, P. K.; Kane, A. B.; Hurt, R. H. Biological and Environmental Transformations of Copper-Based Nanomaterials ACS Nano 2013, 7, 8715-8727 10.1021/nn403080y
    • (2013) ACS Nano , vol.7 , pp. 8715-8727
    • Wang, Z.1    Von Dem Bussche, A.2    Kabadi, P.K.3    Kane, A.B.4    Hurt, R.H.5
  • 6
    • 84155179303 scopus 로고    scopus 로고
    • Bioavailability, Intracellular Mobilization of Nickel, and HIF-1α Activation in Human Lung Epithelial Cells Exposed to Metallic Nickel and Nickel Oxide Nanoparticles
    • Pietruska, J. R.; Liu, X.; Smith, A.; McNeil, K.; Weston, P.; Zhitkovich, A.; Hurt, R.; Kane, A. B. Bioavailability, Intracellular Mobilization of Nickel, and HIF-1α Activation in Human Lung Epithelial Cells Exposed to Metallic Nickel and Nickel Oxide Nanoparticles Toxicol. Sci. 2011, 124, 138-148 10.1093/toxsci/kfr206
    • (2011) Toxicol. Sci. , vol.124 , pp. 138-148
    • Pietruska, J.R.1    Liu, X.2    Smith, A.3    McNeil, K.4    Weston, P.5    Zhitkovich, A.6    Hurt, R.7    Kane, A.B.8
  • 7
  • 8
    • 79551596431 scopus 로고    scopus 로고
    • Silver Nanoparticles in Simulated Biological Media: A Study of Aggregation, Sedimentation, and Dissolution
    • Stebounova, L. V.; Guio, E.; Grassian, V. H. Silver Nanoparticles in Simulated Biological Media: a Study of Aggregation, Sedimentation, and Dissolution J. Nanopart. Res. 2011, 13, 233-244 10.1007/s11051-010-0022-3
    • (2011) J. Nanopart. Res. , vol.13 , pp. 233-244
    • Stebounova, L.V.1    Guio, E.2    Grassian, V.H.3
  • 9
    • 84902083483 scopus 로고    scopus 로고
    • The Influence of Lysosomal Stability of Silver Nanomaterials on their Toxicity to Human Cells
    • Setyawati, M. I.; Yuan, X.; Xie, J.; Leong, D. T. The Influence of Lysosomal Stability of Silver Nanomaterials on their Toxicity to Human Cells Biomaterials 2014, 35, 6707-6715 10.1016/j.biomaterials.2014.05.007
    • (2014) Biomaterials , vol.35 , pp. 6707-6715
    • Setyawati, M.I.1    Yuan, X.2    Xie, J.3    Leong, D.T.4
  • 10
    • 84908141372 scopus 로고    scopus 로고
    • Size-Controlled Dissolution of Silver Nanoparticles at Neutral and Acidic pH Conditions: Kinetics and Size Changes
    • Peretyazhko, T. S.; Zhang, Q.; Colvin, V. L. Size-Controlled Dissolution of Silver Nanoparticles at Neutral and Acidic pH Conditions: Kinetics and Size Changes Environ. Sci. Technol. 2014, 48, 11954-11961 10.1021/es5023202
    • (2014) Environ. Sci. Technol. , vol.48 , pp. 11954-11961
    • Peretyazhko, T.S.1    Zhang, Q.2    Colvin, V.L.3
  • 11
    • 84863524977 scopus 로고    scopus 로고
    • Controlled Evaluation of Silver Nanoparticle Dissolution Using Atomic Force Microscopy
    • Kent, R. D.; Vikesland, P. J. Controlled Evaluation of Silver Nanoparticle Dissolution Using Atomic Force Microscopy Environ. Sci. Technol. 2012, 46, 6977-6984 10.1021/es203475a
    • (2012) Environ. Sci. Technol. , vol.46 , pp. 6977-6984
    • Kent, R.D.1    Vikesland, P.J.2
  • 12
    • 79958129539 scopus 로고    scopus 로고
    • Aggregation and Dissolution of 4 nm ZnO Nanoparticles in Aqueous Environments: Influence of pH, Ionic Strength, Size, and Adsorption of Humic Acid
    • Bian, S.-W.; Mudunkotuwa, I. A.; Rupasinghe, T.; Grassian, V. H. Aggregation and Dissolution of 4 nm ZnO Nanoparticles in Aqueous Environments: Influence of pH, Ionic Strength, Size, and Adsorption of Humic Acid Langmuir 2011, 27, 6059-6068 10.1021/la200570n
    • (2011) Langmuir , vol.27 , pp. 6059-6068
    • Bian, S.-W.1    Mudunkotuwa, I.A.2    Rupasinghe, T.3    Grassian, V.H.4
  • 13
    • 84937114814 scopus 로고    scopus 로고
    • 2, and ZnO Nanoparticles on Intestinal Cells
    • 2, and ZnO Nanoparticles on Intestinal Cells Small 2015, 11, 3458-3468 10.1002/smll.201403232
    • (2015) Small , vol.11 , pp. 3458-3468
    • Setyawati, M.I.1    Tay, C.Y.2    Leong, D.T.3
  • 14
    • 84978115042 scopus 로고    scopus 로고
    • Dissolution and Persistence of Copper-Based Nanomaterials in Undersaturated Solutions with Respect to Cupric Solid Phases
    • Kent, R. D.; Vikesland, P. J. Dissolution and Persistence of Copper-Based Nanomaterials in Undersaturated Solutions with Respect to Cupric Solid Phases Environ. Sci. Technol. 2015, 10.1021/acs.est.5b04719
    • (2015) Environ. Sci. Technol.
    • Kent, R.D.1    Vikesland, P.J.2
  • 15
    • 84864655437 scopus 로고    scopus 로고
    • Negligible Particle-Specific Antibacterial Activity of Silver Nanoparticles
    • Xiu, Z.-m.; Zhang, Q.-b.; Puppala, H. L.; Colvin, V. L.; Alvarez, P. J. Negligible Particle-Specific Antibacterial Activity of Silver Nanoparticles Nano Lett. 2012, 12, 4271-4275 10.1021/nl301934w
    • (2012) Nano Lett. , vol.12 , pp. 4271-4275
    • Xiu, Z.-M.1    Zhang, Q.-B.2    Puppala, H.L.3    Colvin, V.L.4    Alvarez, P.J.5
  • 16
    • 84930840257 scopus 로고    scopus 로고
    • Two-Dimensional Graphene Analogues for Biomedical Applications
    • Chen, Y.; Tan, C.; Zhang, H.; Wang, L. Two-Dimensional Graphene Analogues for Biomedical Applications Chem. Soc. Rev. 2015, 44, 2681-2701 10.1039/C4CS00300D
    • (2015) Chem. Soc. Rev. , vol.44 , pp. 2681-2701
    • Chen, Y.1    Tan, C.2    Zhang, H.3    Wang, L.4
  • 21
    • 84945895437 scopus 로고    scopus 로고
    • Ultrathin Two-Dimensional Nanomaterials
    • Zhang, H. Ultrathin Two-Dimensional Nanomaterials ACS Nano 2015, 9, 9451-9469 10.1021/acsnano.5b05040
    • (2015) ACS Nano , vol.9 , pp. 9451-9469
    • Zhang, H.1
  • 23
    • 84897973630 scopus 로고    scopus 로고
    • 25th Anniversary Article: Hybrid Nanostructures Based on Two-Dimensional Nanomaterials
    • Huang, X.; Tan, C.; Yin, Z.; Zhang, H. 25th Anniversary Article: Hybrid Nanostructures Based on Two-Dimensional Nanomaterials Adv. Mater. 2014, 26, 2185-2204 10.1002/adma.201304964
    • (2014) Adv. Mater. , vol.26 , pp. 2185-2204
    • Huang, X.1    Tan, C.2    Yin, Z.3    Zhang, H.4
  • 24
    • 84930333065 scopus 로고    scopus 로고
    • Two-Dimensional Transition Metal Dichalcogenide Nanosheet-Based Composites
    • Tan, C.; Zhang, H. Two-Dimensional Transition Metal Dichalcogenide Nanosheet-Based Composites Chem. Soc. Rev. 2015, 44, 2713-2731 10.1039/C4CS00182F
    • (2015) Chem. Soc. Rev. , vol.44 , pp. 2713-2731
    • Tan, C.1    Zhang, H.2
  • 25
    • 81255169387 scopus 로고    scopus 로고
    • Single-Layer Semiconducting Nanosheets: High-Yield Preparation and Device Fabrication
    • Zeng, Z.; Yin, Z.; Huang, X.; Li, H.; He, Q.; Lu, G.; Boey, F.; Zhang, H. Single-Layer Semiconducting Nanosheets: High-Yield Preparation and Device Fabrication Angew. Chem., Int. Ed. 2011, 50, 11093-11097 10.1002/anie.201106004
    • (2011) Angew. Chem., Int. Ed. , vol.50 , pp. 11093-11097
    • Zeng, Z.1    Yin, Z.2    Huang, X.3    Li, H.4    He, Q.5    Lu, G.6    Boey, F.7    Zhang, H.8
  • 31
    • 84875413255 scopus 로고    scopus 로고
    • The Chemistry of Two-Dimensional Layered Transition Metal Dichalcogenide Nanosheets
    • Chhowalla, M.; Shin, H. S.; Eda, G.; Li, L.-J.; Loh, K. P.; Zhang, H. The Chemistry of Two-Dimensional Layered Transition Metal Dichalcogenide Nanosheets Nat. Chem. 2013, 5, 263-275 10.1038/nchem.1589
    • (2013) Nat. Chem. , vol.5 , pp. 263-275
    • Chhowalla, M.1    Shin, H.S.2    Eda, G.3    Li, L.-J.4    Loh, K.P.5    Zhang, H.6
  • 33
    • 57549105653 scopus 로고    scopus 로고
    • 2 Nanoribbons: High Stability and Unusual Electronic and Magnetic Properties
    • 2 Nanoribbons: High Stability and Unusual Electronic and Magnetic Properties J. Am. Chem. Soc. 2008, 130, 16739-16744 10.1021/ja805545x
    • (2008) J. Am. Chem. Soc. , vol.130 , pp. 16739-16744
    • Li, Y.1    Zhou, Z.2    Zhang, S.3    Chen, Z.4
  • 35
    • 33947551603 scopus 로고
    • Surface Oxidation of Molybdenum Disulfide
    • Ross, S.; Sussman, A. Surface Oxidation of Molybdenum Disulfide J. Phys. Chem. 1955, 59, 889-892 10.1021/j150531a020
    • (1955) J. Phys. Chem. , vol.59 , pp. 889-892
    • Ross, S.1    Sussman, A.2
  • 38
    • 84960157127 scopus 로고    scopus 로고
    • Aging of Transition Metal Dichalcogenide Monolayers
    • Gao, J.; Li, B.; Tan, J.; Chow, P.; Lu, T.-M.; Koratkar, N. Aging of Transition Metal Dichalcogenide Monolayers ACS Nano 2016, 10, 2628-2635 10.1021/acsnano.5b07677
    • (2016) ACS Nano , vol.10 , pp. 2628-2635
    • Gao, J.1    Li, B.2    Tan, J.3    Chow, P.4    Lu, T.-M.5    Koratkar, N.6
  • 39
    • 50249116160 scopus 로고    scopus 로고
    • Oxidative Quenching and Degradation of Polymer-Encapsulated Quantum Dots: New Insights into the Long-Term Fate and Toxicity of Nanocrystals in vivo
    • Mancini, M. C.; Kairdolf, B. A.; Smith, A. M.; Nie, S. Oxidative Quenching and Degradation of Polymer-Encapsulated Quantum Dots: New Insights into the Long-Term Fate and Toxicity of Nanocrystals in vivo J. Am. Chem. Soc. 2008, 130, 10836-10837 10.1021/ja8040477
    • (2008) J. Am. Chem. Soc. , vol.130 , pp. 10836-10837
    • Mancini, M.C.1    Kairdolf, B.A.2    Smith, A.M.3    Nie, S.4
  • 40
    • 84878337093 scopus 로고    scopus 로고
    • Long-Term Colloidal Stability and Photoluminescence Retention of Lead-Based Quantum Dots in Saline Buffers and Biological Media through Surface Modification
    • Pichaandi, J.; Abel, K. A.; Johnson, N. J.; van Veggel, F. C. Long-Term Colloidal Stability and Photoluminescence Retention of Lead-Based Quantum Dots in Saline Buffers and Biological Media through Surface Modification Chem. Mater. 2013, 25, 2035-2044 10.1021/cm304091r
    • (2013) Chem. Mater. , vol.25 , pp. 2035-2044
    • Pichaandi, J.1    Abel, K.A.2    Johnson, N.J.3    Van Veggel, F.C.4
  • 41
    • 84905171364 scopus 로고    scopus 로고
    • 2 Nanosheets: Preparation of Luminescent Quantum Dots via a Transition of Nanoporous Morphology
    • 2 Nanosheets: Preparation of Luminescent Quantum Dots via a Transition of Nanoporous Morphology Nanoscale 2014, 6, 9831-9838 10.1039/C4NR02592J
    • (2014) Nanoscale , vol.6 , pp. 9831-9838
    • Li, B.L.1    Chen, L.X.2    Zou, H.L.3    Lei, J.L.4    Luo, H.Q.5    Li, N.B.6
  • 43
    • 77949399794 scopus 로고    scopus 로고
    • Ion Release Kinetics and Particle Persistence in Aqueous Nano-Silver Colloids
    • Liu, J.; Hurt, R. H. Ion Release Kinetics and Particle Persistence in Aqueous Nano-Silver Colloids Environ. Sci. Technol. 2010, 44, 2169-2175 10.1021/es9035557
    • (2010) Environ. Sci. Technol. , vol.44 , pp. 2169-2175
    • Liu, J.1    Hurt, R.H.2
  • 44
    • 37049074973 scopus 로고
    • 1T-MoS2, a New Metallic Modification of Molybdenum Disulfide
    • Wypych, F.; Schollhorn, R. 1T-MoS2, a New Metallic Modification of Molybdenum Disulfide J. Chem. Soc., Chem. Commun. 1992, 1386-1388 10.1039/C39920001386
    • (1992) J. Chem. Soc., Chem. Commun. , pp. 1386-1388
    • Wypych, F.1    Schollhorn, R.2
  • 46
    • 0020496804 scopus 로고
    • 2 and Related Compounds
    • 2 and Related Compounds Can. J. Phys. 1983, 61, 76-84 10.1139/p83-013
    • (1983) Can. J. Phys. , vol.61 , pp. 76-84
    • Py, M.1    Haering, R.2
  • 48
    • 84870438813 scopus 로고    scopus 로고
    • 2 Transistors
    • 2 Transistors ACS Nano 2012, 6, 10070-10075 10.1021/nn303772b
    • (2012) ACS Nano , vol.6 , pp. 10070-10075
    • Lembke, D.1    Kis, A.2
  • 51
    • 84942693797 scopus 로고    scopus 로고
    • 2 Nanoplates as Nanoprobe for Detection of Intracellular ATP and Controllable Photodynamic Therapy
    • 2 Nanoplates as Nanoprobe for Detection of Intracellular ATP and Controllable Photodynamic Therapy Nanoscale 2015, 7, 15953-15961 10.1039/C5NR02224J
    • (2015) Nanoscale , vol.7 , pp. 15953-15961
    • Ju, H.1    Jia, L.2    Ding, L.3    Tian, J.4    Bao, L.5    Hu, Y.6    Yu, J.-S.7
  • 53
    • 84923506108 scopus 로고    scopus 로고
    • Defect-Induced Photoluminescence in Monolayer Semiconducting Transition Metal Dichalcogenides
    • Chow, P. K.; Jacobs-Gedrim, R. B.; Gao, J.; Lu, T.-M.; Yu, B.; Terrones, H.; Koratkar, N. Defect-Induced Photoluminescence in Monolayer Semiconducting Transition Metal Dichalcogenides ACS Nano 2015, 9, 1520-1527 10.1021/nn5073495
    • (2015) ACS Nano , vol.9 , pp. 1520-1527
    • Chow, P.K.1    Jacobs-Gedrim, R.B.2    Gao, J.3    Lu, T.-M.4    Yu, B.5    Terrones, H.6    Koratkar, N.7
  • 55
    • 84908873237 scopus 로고    scopus 로고
    • 2 Exhibits Stronger Toxicity with Increased Exfoliation
    • 2 Exhibits Stronger Toxicity with Increased Exfoliation Nanoscale 2014, 6, 14412-14418 10.1039/C4NR04907A
    • (2014) Nanoscale , vol.6 , pp. 14412-14418
    • Chng, E.L.K.1    Sofer, Z.2    Pumera, M.3
  • 57
    • 84938320089 scopus 로고    scopus 로고
    • 2 towards Planktonic Cells, Biofilms, and Mammalian Cells in the Presence of Electron Donor
    • 2 towards Planktonic Cells, Biofilms, and Mammalian Cells in the Presence of Electron Donor Environ. Sci.: Nano 2015, 2, 370-379 10.1039/C5EN00031A
    • (2015) Environ. Sci.: Nano , vol.2 , pp. 370-379
    • Fan, J.1    Li, Y.2    Nguyen, H.N.3    Yao, Y.4    Rodrigues, D.F.5
  • 58
    • 84937802751 scopus 로고    scopus 로고
    • 2 Nanosheets by Cytotoxicity Assay and Electrical Impedance Spectroscopy
    • 2 Nanosheets by Cytotoxicity Assay and Electrical Impedance Spectroscopy Nanotechnology 2015, 26, 315102 10.1088/0957-4484/26/31/315102
    • (2015) Nanotechnology , vol.26 , pp. 315102
    • Shah, P.1    Narayanan, T.N.2    Li, C.-Z.3    Alwarappan, S.4
  • 59
    • 84866716771 scopus 로고    scopus 로고
    • Thermodynamic Oxidation and Reduction Potentials of Photocatalytic Semiconductors in Aqueous Solution
    • Chen, S.; Wang, L.-W. Thermodynamic Oxidation and Reduction Potentials of Photocatalytic Semiconductors in Aqueous Solution Chem. Mater. 2012, 24, 3659-3666 10.1021/cm302533s
    • (2012) Chem. Mater. , vol.24 , pp. 3659-3666
    • Chen, S.1    Wang, L.-W.2
  • 60
    • 84905719699 scopus 로고    scopus 로고
    • 2 Solution for Highly Efficient Organic Solar Cells
    • 2 Solution for Highly Efficient Organic Solar Cells RSC Adv. 2014, 4, 32744-32748 10.1039/C4RA04116J
    • (2014) RSC Adv. , vol.4 , pp. 32744-32748
    • Liu, W.1    Yang, X.2    Zhang, Y.3    Xu, M.4    Chen, H.5
  • 61
    • 0033596349 scopus 로고    scopus 로고
    • 2: Ionic or Neutral Species? Encapsulation and Ordering of Hard Electropositive Cations
    • 2: Ionic or Neutral Species? Encapsulation and Ordering of Hard Electropositive Cations J. Am. Chem. Soc. 1999, 121, 11720-11732 10.1021/ja991644d
    • (1999) J. Am. Chem. Soc. , vol.121 , pp. 11720-11732
    • Heising, J.1    Kanatzidis, M.G.2
  • 62
    • 84966670256 scopus 로고    scopus 로고
    • Back to Basics: Exploiting the Innate Physico-chemical Characteristics of Nanomaterials for Biomedical Applications
    • Tay, C. Y.; Setyawati, M. I.; Xie, J.; Parak, W. J.; Leong, D. T. Back to Basics: Exploiting the Innate Physico-chemical Characteristics of Nanomaterials for Biomedical Applications Adv. Funct. Mater. 2014, 24, 5936-5955 10.1002/adfm.201401664
    • (2014) Adv. Funct. Mater. , vol.24 , pp. 5936-5955
    • Tay, C.Y.1    Setyawati, M.I.2    Xie, J.3    Parak, W.J.4    Leong, D.T.5
  • 64
    • 0030759086 scopus 로고    scopus 로고
    • Bioleaching: Metal Solubilization by Microorganisms
    • Bosecker, K. Bioleaching: Metal Solubilization by Microorganisms FEMS Microbiol. Rev. 1997, 20, 591-604 10.1111/j.1574-6976.1997.tb00340.x
    • (1997) FEMS Microbiol. Rev. , vol.20 , pp. 591-604
    • Bosecker, K.1
  • 65
    • 0032906223 scopus 로고    scopus 로고
    • Bacterial Leaching of Metal Sulfides Proceeds by Two Indirect Mechanisms via Thiosulfate or via Polysulfides and Sulfur
    • Schippers, A.; Sand, W. Bacterial Leaching of Metal Sulfides Proceeds by Two Indirect Mechanisms via Thiosulfate or via Polysulfides and Sulfur Appl. Environ. Microbiol. 1999, 65, 319-321
    • (1999) Appl. Environ. Microbiol. , vol.65 , pp. 319-321
    • Schippers, A.1    Sand, W.2
  • 66
    • 0343188298 scopus 로고
    • Microorganisms in Leaching Sulfide Minerals
    • Bryner, L.; Anderson, R. Microorganisms in Leaching Sulfide Minerals Ind. Eng. Chem. 1957, 49, 1721-1724 10.1021/ie50574a033
    • (1957) Ind. Eng. Chem. , vol.49 , pp. 1721-1724
    • Bryner, L.1    Anderson, R.2
  • 68
    • 84979045641 scopus 로고    scopus 로고
    • Cellular Processing and Destinies of Artificial DNA Nanostructures
    • Lee, D. S.; Qian, H.; Tay, C. Y.; Leong, D. T. Cellular Processing and Destinies of Artificial DNA Nanostructures Chem. Soc. Rev. 2016, 10.1039/C5CS00700C
    • (2016) Chem. Soc. Rev.
    • Lee, D.S.1    Qian, H.2    Tay, C.Y.3    Leong, D.T.4


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.