메뉴 건너뛰기




Volumn 157, Issue 2, 2012, Pages 249-259

Addition of ascorbic acid to the extracellular environment activates lipoplexes of a ferrocenyl lipid and promotes cell transfection

Author keywords

Ascorbic acid; External stimulus; Ferrocenyl lipid; Lipoplexes; Nanostructure; Transfection

Indexed keywords

ASCORBIC ACIDS; EXTERNAL STIMULUS; FERROCENYL; LIPOPLEXES; TRANSFECTION;

EID: 84855814635     PISSN: 01683659     EISSN: 18734995     Source Type: Journal    
DOI: 10.1016/j.jconrel.2011.09.074     Document Type: Article
Times cited : (11)

References (59)
  • 2
    • 0343307124 scopus 로고    scopus 로고
    • Cationic lipids used in gene transfer
    • DOI 10.1016/S0169-409X(97)00019-7, PII S0169409X97000197
    • J. Zabner Cationic lipids used in gene transfer Adv. Drug Deliv. Rev. 27 1997 17 28 (Pubitemid 27301394)
    • (1997) Advanced Drug Delivery Reviews , vol.27 , Issue.1 , pp. 17-28
    • Zabner, J.1
  • 5
    • 33845190449 scopus 로고    scopus 로고
    • Cationic lipids, lipoplexes and intracellular delivery of genes
    • DOI 10.1016/j.jconrel.2006.06.024, PII S0168365906003191
    • L. Wasungu, and D. Hoekstra Cationic lipids, lipoplexes and intracellular delivery of genes J. Control. Release 116 2006 255 264 (Pubitemid 44854274)
    • (2006) Journal of Controlled Release , vol.116 , Issue.SPEC. ISS. , pp. 255-264
    • Wasungu, L.1    Hoekstra, D.2
  • 7
    • 0030602786 scopus 로고    scopus 로고
    • Liposomes in gene therapy
    • DOI 10.1016/0169-409X(96)00002-6
    • D.D. Lasic, and N.S. Templeton Liposomes in gene therapy Adv. Drug Deliv. Rev. 20 1996 221 266 (Pubitemid 26284164)
    • (1996) Advanced Drug Delivery Reviews , vol.20 , Issue.2-3 , pp. 221-266
    • Lasic, D.D.1    Templeton, N.S.2
  • 8
    • 8544230612 scopus 로고    scopus 로고
    • Cationic compounds used in lipoplexes and polyplexes for gene delivery
    • DOI 10.1016/j.jconrel.2004.08.019, PII S0168365904004006
    • S.B. Zhang, Y.M. Xu, B. Wang, W.H. Qiao, D.L. Liu, and Z.S. Li Cationic compounds used in lipoplexes and polyplexes for gene delivery J. Control. Release 100 2004 165 180 (Pubitemid 39491269)
    • (2004) Journal of Controlled Release , vol.100 , Issue.2 , pp. 165-180
    • Zhang, S.1    Xu, Y.2    Wang, B.3    Qiao, W.4    Liu, D.5    Li, Z.6
  • 13
    • 0032488539 scopus 로고    scopus 로고
    • Introduction of a disulfide bond into a cationic lipid enhances transgene expression of plasmid DNA
    • DOI 10.1006/bbrc.1997.7923
    • F.X. Tang, and J.A. Hughes Introduction of a disulfide bond into a cationic lipid enhances transgene expression of plasmid DNA Biochem. Biophys. Res. Commun. 242 1998 141 145 (Pubitemid 28412392)
    • (1998) Biochemical and Biophysical Research Communications , vol.242 , Issue.1 , pp. 141-145
    • Tang, F.1    Hughes, J.A.2
  • 14
    • 0033198888 scopus 로고    scopus 로고
    • Use of dithiodiglycolic acid as a tether for cationic lipids decreases the cytotoxicity and increases transgene expression of plasmid DNA in vitro
    • DOI 10.1021/bc990016i
    • F.X. Tang, and J.A. Hughes Use of dithiodiglycolic acid as a tether for cationic lipids decreases the cytotoxicity and increases transgene expression of plasmid DNA in vitro Bioconjug. Chem. 10 1999 791 796 (Pubitemid 29456365)
    • (1999) Bioconjugate Chemistry , vol.10 , Issue.5 , pp. 791-796
    • Tang, F.1    Hughes, J.A.2
  • 15
    • 0038518258 scopus 로고    scopus 로고
    • Chemical approaches to triggerable lipid vesicles for drug and gene delivery
    • X. Guo, and F.C. Szoka Chemical approaches to triggerable lipid vesicles for drug and gene delivery Acc. Chem. Res. 36 2003 335 341
    • (2003) Acc. Chem. Res. , vol.36 , pp. 335-341
    • Guo, X.1    Szoka, F.C.2
  • 16
    • 14044254913 scopus 로고    scopus 로고
    • Thiocholesterol-based lipids for ordered assembly of bioresponsive gene carriers
    • DOI 10.1016/j.ymthe.2004.10.013, PII S1525001604015059
    • Z.H. Huang, W.J. Li, J.A. MacKay, and F.C. Szoka Thiocholesterol-based lipids for ordered assembly of bioresponsive gene carriers Mol. Ther. 11 2005 409 417 (Pubitemid 40277317)
    • (2005) Molecular Therapy , vol.11 , Issue.3 , pp. 409-417
    • Huang, Z.1    Li, W.2    MacKay, J.A.3    Szoka Jr., F.C.4
  • 17
  • 18
    • 0032782414 scopus 로고    scopus 로고
    • Cytosolic drug delivery using pH- and light-sensitive liposomes
    • DOI 10.1016/S0169-409X(99)00035-6, PII S0169409X99000356
    • O.V. Gerasimov, J.A. Boomer, M.M. Qualls, and D.H. Thompson Cytosolic drug delivery using pH- and light-sensitive liposomes Adv. Drug Deliv. Rev. 38 1999 317 338 (Pubitemid 29376580)
    • (1999) Advanced Drug Delivery Reviews , vol.38 , Issue.3 , pp. 317-338
    • Gerasimov, O.V.1    Boomer, J.A.2    Qualls, M.M.3    Thompson, D.H.4
  • 19
    • 0034701218 scopus 로고    scopus 로고
    • Self-cleaving ortho ester lipids: A new class of pH-vulnerable amphiphiles [1]
    • DOI 10.1021/ja994149q
    • J. Zhu, R.J. Munn, and M.H. Nantz Self-cleaving ortho ester lipids: a new class of pH-vulnerable amphiphiles J. Am. Chem. Soc. 122 2000 2645 2646 (Pubitemid 30211978)
    • (2000) Journal of the American Chemical Society , vol.122 , Issue.11 , pp. 2645-2646
    • Zhu, J.1    Munn, R.J.2    Nantz, M.H.3
  • 20
    • 0035980981 scopus 로고    scopus 로고
    • Enzyme-activated targeting of liposomes
    • DOI 10.1016/S0169-409X(01)00205-8, PII S0169409X01002058
    • P. Meers Enzyme-activated targeting of liposomes Adv. Drug Deliv. Rev. 53 2001 265 272 (Pubitemid 34026337)
    • (2001) Advanced Drug Delivery Reviews , vol.53 , Issue.3 , pp. 265-272
    • Meers, P.1
  • 22
    • 0038585173 scopus 로고    scopus 로고
    • Photoenhancement of transfection efficiency using novel cationic lipids having a photocleavable spacer
    • DOI 10.1021/bc0256603
    • T. Nagasaki, A. Taniguchi, and S. Tamagaki Photoenhancement of transfection efficiency using novel cationic lipids having a photocleavable spacer Bioconjug. Chem. 14 2003 513 516 (Pubitemid 36597359)
    • (2003) Bioconjugate Chemistry , vol.14 , Issue.3 , pp. 513-516
    • Nagasaki, T.1    Taniguchi, A.2    Tamagaki, S.3
  • 23
    • 37549032712 scopus 로고    scopus 로고
    • Breaking the bonds: Non-viral vectors become chemically dynamic
    • J.A. Wolff, and D.B. Rozema Breaking the bonds: non-viral vectors become chemically dynamic Mol. Ther. 16 2008 8 15
    • (2008) Mol. Ther. , vol.16 , pp. 8-15
    • Wolff, J.A.1    Rozema, D.B.2
  • 24
    • 66249106034 scopus 로고    scopus 로고
    • Photo-assisted gene delivery using light-responsive catanionic vesicles
    • Y.C. Liu, A.L.M. Le Ny, J. Schmidt, Y. Talmon, B.F. Chmelka, and C.T. Lee Photo-assisted gene delivery using light-responsive catanionic vesicles Langmuir 25 2009 5713 5724
    • (2009) Langmuir , vol.25 , pp. 5713-5724
    • Liu, Y.C.1    Le Ny, A.L.M.2    Schmidt, J.3    Talmon, Y.4    Chmelka, B.F.5    Lee, C.T.6
  • 25
    • 0035799654 scopus 로고    scopus 로고
    • Microarrays of cells expressing defined cDNAs
    • DOI 10.1038/35075114
    • J. Ziauddin, and D.M. Sabatini Microarrays of cells expressing defined cDNAs Nature 411 2001 107 110 (Pubitemid 32428199)
    • (2001) Nature , vol.411 , Issue.6833 , pp. 107-110
    • Ziauddin, J.1    Sabatini, D.M.2
  • 26
    • 2942598051 scopus 로고    scopus 로고
    • Micropatterned, self-assembled monolayers for fabrication of transfected cell microarrays
    • DOI 10.1016/j.bbagen.2004.03.008, PII S0304416504000637
    • F. Yamauchi, K. Kato, and H. Iwata Micropatterned, self-assembled monolayers for fabrication of transfected cell microarrays Biochim. Biophys. Acta, Gen. Subj. 1672 2004 138 147 (Pubitemid 38746502)
    • (2004) Biochimica et Biophysica Acta - General Subjects , vol.1672 , Issue.3 , pp. 138-147
    • Yamauchi, F.1    Kato, K.2    Iwata, H.3
  • 28
    • 18744383075 scopus 로고    scopus 로고
    • Localized transfection on arrays of magnetic beads coated with PCR products
    • DOI 10.1038/nmeth732
    • M. Isalan, M.I. Santori, C. Gonzalez, and L. Serrano Localized transfection on arrays of magnetic beads coated with PCR products Nat. Methods 2 2005 113 118 (Pubitemid 41131032)
    • (2005) Nature Methods , vol.2 , Issue.2 , pp. 113-118
    • Isalan, M.1    Santori, M.I.2    Gonzalez, C.3    Serrano, L.4
  • 29
    • 65249175026 scopus 로고    scopus 로고
    • Advanced substrate fabrication for cell microarrays
    • A.L. Hook, H. Thissen, and N.H. Voelcker Advanced substrate fabrication for cell microarrays Biomacromolecules 10 2009 573 579
    • (2009) Biomacromolecules , vol.10 , pp. 573-579
    • Hook, A.L.1    Thissen, H.2    Voelcker, N.H.3
  • 30
    • 0032982713 scopus 로고    scopus 로고
    • Delivering tissue regeneration
    • DOI 10.1038/9835
    • W.M. Saltzman Delivering tissue regeneration Nat. Biotechnol. 17 1999 534 535 (Pubitemid 29262911)
    • (1999) Nature Biotechnology , vol.17 , Issue.6 , pp. 534-535
    • Saltzman, W.M.1
  • 31
    • 0033017213 scopus 로고    scopus 로고
    • DNA delivery from polymer matrices for tissue engineering
    • DOI 10.1038/9853
    • L.D. Shea, E. Smiley, J. Bonadio, and D.J. Mooney DNA delivery from polymer matrices for tissue engineering Nat. Biotechnol. 17 1999 551 554 (Pubitemid 29262917)
    • (1999) Nature Biotechnology , vol.17 , Issue.6 , pp. 551-554
    • Shea, L.D.1    Smiley, E.2    Bonadio, J.3    Mooney, D.J.4
  • 32
    • 77955266817 scopus 로고    scopus 로고
    • Balancing cell migration with matrix degradation enhances gene delivery to cells cultured three-dimensionally within hydrogels
    • J.A. Shepard, A. Huang, A. Shikanov, and L.D. Shea Balancing cell migration with matrix degradation enhances gene delivery to cells cultured three-dimensionally within hydrogels J. Control. Release 146 2010 128 135
    • (2010) J. Control. Release , vol.146 , pp. 128-135
    • Shepard, J.A.1    Huang, A.2    Shikanov, A.3    Shea, L.D.4
  • 34
    • 0000831675 scopus 로고    scopus 로고
    • Solution properties of double-tailed cationic surfactants having ferrocenyl groups in their hydrophobic moieties
    • Y. Kakizawa, H. Sakai, K. Nishiyama, M. Abe, H. Shoji, Y. Kondo, and N. Yoshino Solution properties of double-tailed cationic surfactants having ferrocenyl groups in their hydrophobic moieties Langmuir 12 1996 921 924 (Pubitemid 126568086)
    • (1996) Langmuir , vol.12 , Issue.4 , pp. 921-924
    • Kakizawa, Y.1    Sakai, H.2    Nishiyama, K.3    Abe, M.4    Shoji, H.5    Kondo, Y.6    Yoshino, N.7
  • 36
    • 0035951235 scopus 로고    scopus 로고
    • Electrochemical control of vesicle formation with a double-tailed cationic surfactant bearing ferrocenyl moieties
    • DOI 10.1021/la010772o
    • Y. Kakizawa, H. Sakai, A. Yamaguchi, Y. Kondo, N. Yoshino, and M. Abe Electrochemical control of vesicle formation with a double-tailed cationic surfactant bearing ferrocenyl moieties Langmuir 17 2001 8044 8048 (Pubitemid 35330878)
    • (2001) Langmuir , vol.17 , Issue.26 , pp. 8044-8048
    • Kakizawa, Y.1    Sakai, H.2    Yamaguchi, A.3    Kondo, Y.4    Yoshino, N.5    Abe, M.6
  • 37
    • 23944436906 scopus 로고    scopus 로고
    • Ferrocene-containing cationic lipids: Influence of redox state on cell transfection
    • DOI 10.1021/ja054038t
    • N.L. Abbott, C.M. Jewell, M.E. Hays, Y. Kondo, and D.M. Lynn Ferrocene-containing cationic lipids: Influence of redox state on cell transfection J. Am. Chem. Soc. 127 2005 11576 11577 (Pubitemid 41208726)
    • (2005) Journal of the American Chemical Society , vol.127 , Issue.33 , pp. 11576-11577
    • Abbott, N.L.1    Jewell, C.M.2    Hays, M.E.3    Kondo, Y.4    Lynn, D.M.5
  • 38
    • 33645759760 scopus 로고    scopus 로고
    • Ferrocene-containing cationic lipids for the delivery of DNA: Oxidation state determines transfection activity
    • C.M. Jewell, M.E. Hays, Y. Kondo, N.L. Abbott, and D.M. Lynn Ferrocene-containing cationic lipids for the delivery of DNA: oxidation state determines transfection activity J. Control. Release 112 2006 129 138
    • (2006) J. Control. Release , vol.112 , pp. 129-138
    • Jewell, C.M.1    Hays, M.E.2    Kondo, Y.3    Abbott, N.L.4    Lynn, D.M.5
  • 39
    • 37349015282 scopus 로고    scopus 로고
    • Lipoplexes formed by DNA and ferrocenyl lipids: Effect of lipid oxidation state on size, internal dynamics, and ζ-potential
    • DOI 10.1529/biophysj.107.107094
    • M.E. Hays, C.M. Jewell, Y. Kondo, D.M. Lynn, and N.L. Abbott Lipoplexes formed by DNA and ferrocenyl lipids: effect of lipid oxidation state on size, internal dynamics, and zeta-potential Biophys. J. 93 2007 4414 4424 (Pubitemid 350294487)
    • (2007) Biophysical Journal , vol.93 , Issue.12 , pp. 4414-4424
    • Hays, M.E.1    Jewell, C.M.2    Kondo, Y.3    Lynn, D.M.4    Abbott, N.L.5
  • 41
    • 56749160538 scopus 로고    scopus 로고
    • Chemical activation of lipoplexes formed from DNA and a redox-active, ferrocene-containing cationic lipid
    • C.M. Jewell, M.E. Hays, Y. Kondo, N.L. Abbott, and D.M. Lynn Chemical activation of lipoplexes formed from DNA and a redox-active, ferrocene-containing cationic lipid Bioconjug. Chem. 19 2008 2120 2128
    • (2008) Bioconjug. Chem. , vol.19 , pp. 2120-2128
    • Jewell, C.M.1    Hays, M.E.2    Kondo, Y.3    Abbott, N.L.4    Lynn, D.M.5
  • 42
    • 0040171228 scopus 로고
    • Reversible formation and disruption of micelles by control of the redox state of the head group
    • T. Saji, K. Hoshino, and S. Aoyagui Reversible formation and disruption of micelles by control of the redox state of the head group J. Am. Chem. Soc. 107 1985 6865 6868
    • (1985) J. Am. Chem. Soc. , vol.107 , pp. 6865-6868
    • Saji, T.1    Hoshino, K.2    Aoyagui, S.3
  • 43
    • 0001159991 scopus 로고
    • In-situ and reversible control of the surface-activity of ferrocenyl surfactants in aqueous-solutions
    • B.S. Gallardo, M.J. Hwa, and N.L. Abbott In-situ and reversible control of the surface-activity of ferrocenyl surfactants in aqueous-solutions Langmuir 11 1995 4209 4212
    • (1995) Langmuir , vol.11 , pp. 4209-4212
    • Gallardo, B.S.1    Hwa, M.J.2    Abbott, N.L.3
  • 44
    • 0029919990 scopus 로고    scopus 로고
    • Dispensing surfactants from electrodes: Marangoni phenomenon at the surface of aqueous solutions of (11-ferrocenylundecyl)trimethylammonium bromide
    • DOI 10.1021/ja960902t
    • D.E. Bennett, B.S. Gallardo, and N.L. Abbott Dispensing surfactants from electrodes: Marangoni phenomenon at the surface of aqueous solutions of (11-ferrocenylundecyl)trimethylammonium bromide J. Am. Chem. Soc. 118 1996 6499 6505 (Pubitemid 26247704)
    • (1996) Journal of the American Chemical Society , vol.118 , Issue.27 , pp. 6499-6505
    • Bennett, D.E.1    Gallardo, B.S.2    Abbott, N.L.3
  • 45
    • 0032902347 scopus 로고    scopus 로고
    • Electrochemical principles of active control of liquids on submillimeter scales
    • DOI 10.1126/science.283.5398.57
    • B.S. Gallardo, V.K. Gupta, F.D. Eagerton, L.I. Jong, V.S. Craig, R.R. Shah, and N.L. Abbott Electrochemical principles for active control of liquids on submillimeter scales Science 283 1999 57 60 (Pubitemid 29044844)
    • (1999) Science , vol.283 , Issue.5398 , pp. 57-60
    • Gallardo, B.S.1    Gupta, V.K.2    Eagerton, F.D.3    Jong, L.I.4    Craig, V.S.5    Shah, R.R.6    Abbott, N.L.7
  • 46
    • 1642377163 scopus 로고    scopus 로고
    • Using "Prosurfactants" to Enhance Rates of Delivery of Surfactants
    • DOI 10.1002/aic.10065
    • C.A. Rosslee, C. Khripin, T.M.D. Foley, and N.L. Abbott Using "prosurfactants" to enhance rates of delivery of surfactants AlChE J. 50 2004 708 714 (Pubitemid 38387776)
    • (2004) AIChE Journal , vol.50 , Issue.3 , pp. 708-714
    • Rosslee, C.A.1    Khripin, C.2    Foley, T.M.D.3    Abbott, N.L.4
  • 48
    • 0035371184 scopus 로고    scopus 로고
    • Redox environment of the cell as viewed through the redox state of the glutathione disulfide/glutathione couple
    • DOI 10.1016/S0891-5849(01)00480-4, PII S0891584901004804
    • F.Q. Schafer, and G.R. Buettner Redox environment of the cell as viewed through the redox state of the glutathione disulfide/glutathione couple Free Radic. Biol. Med. 30 2001 1191 1212 (Pubitemid 32463931)
    • (2001) Free Radical Biology and Medicine , vol.30 , Issue.11 , pp. 1191-1212
    • Schafer, F.Q.1    Buettner, G.R.2
  • 49
    • 0030804869 scopus 로고    scopus 로고
    • Ascorbate metabolism and its regulation in animals
    • DOI 10.1016/S0891-5849(97)00062-2, PII S0891584997000622
    • G. Banhegyi, L. Braun, M. Csala, F. Puskas, and J. Mandl Ascorbate metabolism and its regulation in animals Free Radic. Biol. Med. 23 1997 793 803 (Pubitemid 27364874)
    • (1997) Free Radical Biology and Medicine , vol.23 , Issue.5 , pp. 793-803
    • Banhegyi, G.1    Braun, L.2    Csala, M.3    Puskas, F.4    Mandl, J.5
  • 51
    • 0023803129 scopus 로고
    • Controlled environment vitrification system - An improved sample preparation technique
    • J.R. Bellare, H.T. Davis, L.E. Scriven, and Y. Talmon Controlled environment vitrification system - an improved sample preparation technique J. Electron Microsc. Tech. 10 1988 87 111
    • (1988) J. Electron Microsc. Tech. , vol.10 , pp. 87-111
    • Bellare, J.R.1    Davis, H.T.2    Scriven, L.E.3    Talmon, Y.4
  • 52
    • 17344385384 scopus 로고    scopus 로고
    • Digital cryogenic transmission electron microscopy: An advanced tool for direct imaging of complex fluids
    • DOI 10.1016/S0927-7757(01)00543-X, PII S092777570100543X
    • D. Danino, A. Bernheim-Groswasser, and Y. Talmon Digital cryogenic transmission electron microscopy: an advanced tool for direct imaging of complex fluids Colloids Surf. A: Physicochem. Eng. Asp. 183 2001 113 122 (Pubitemid 32396881)
    • (2001) Colloids and Surfaces A: Physicochemical and Engineering Aspects , vol.183-185 , pp. 113-122
    • Danino, D.1    Bernheim-Groswasser, A.2    Talmon, Y.3
  • 55
    • 0019351935 scopus 로고
    • SV40-transformed simian cells support the replication of early SV40 mutants
    • Y. Gluzman SV40-transformed simian cells support the replication of early SV40 mutants Cell 23 1981 175 182 (Pubitemid 11173621)
    • (1981) Cell , vol.23 , Issue.1 , pp. 175-182
    • Gluzman, Y.1
  • 57
    • 0030002508 scopus 로고    scopus 로고
    • Controllable gene therapy pharmaceutics of non-viral gene delivery systems
    • DOI 10.1016/0168-3659(95)00166-2
    • E. Tomlinson, and A.P. Rolland Controllable gene therapy - pharmaceutics of non-viral gene delivery systems J. Control. Release 39 1996 357 372 (Pubitemid 26194229)
    • (1996) Journal of Controlled Release , vol.39 , Issue.2-3 , pp. 357-372
    • Tomlinson, E.1    Rolland, A.P.2
  • 58
    • 0034657622 scopus 로고    scopus 로고
    • Effect of DNA/liposome mixing ratio on the physicochemical characteristics, cellular uptake and intracellular trafficking of plasmid DNA/cationic liposome complexes and subsequent gene expression
    • DOI 10.1016/S0168-3659(99)00280-1, PII S0168365999002801
    • F. Sakurai, R. Inoue, Y. Nishino, A. Okuda, O. Matsumoto, T. Taga, F. Yamashita, Y. Takakura, and M. Hashida Effect of DNA/liposome mixing ratio on the physicochemical characteristics, cellular uptake and intracellular trafficking of plasmid DNA/cationic liposome complexes and subsequent gene expression J. Control. Release 66 2000 255 269 (Pubitemid 30160862)
    • (2000) Journal of Controlled Release , vol.66 , Issue.2-3 , pp. 255-269
    • Sakurai, F.1    Inoue, R.2    Nishino, Y.3    Okuda, A.4    Matsumoto, O.5    Taga, T.6    Yamashita, F.7    Takakura, Y.8    Hashida, M.9
  • 59
    • 17444394006 scopus 로고    scopus 로고
    • SANS study of the interactions among DNA, a cationic surfactant, and polystyrene latex particles
    • DOI 10.1021/la047251w
    • M. Cardenas, C.A. Dreiss, T. Nylander, C.P. Chan, T. Cosgrove, and B. Lindman SANS study of the interactions among DNA, a cationic surfactant, and polystyrene latex particles Langmuir 21 2005 3578 3583 (Pubitemid 40538369)
    • (2005) Langmuir , vol.21 , Issue.8 , pp. 3578-3583
    • Cardenas, M.1    Dreiss, C.A.2    Nylander, T.3    Chan, C.P.4    Cosgrove, T.5    Lindman, B.6


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.