WO2008048352-A2  CHANTOT ET AL.: 'Physico-chemical properties of nucleosides.' BIOCHIMIE vol. 53, 1971, pages 347 - 354;  DAVIS G.: 'Quartets 40 Years Later: From 5'-GMP to Molecular Biology and Supramolecular Chemistry.' SUPRAMOLECULAR CHEMISTRY ANGEW CHEM. INT. ED. vol. 43, 2004, pages 669 - 693;  DOWLING ET AL.: 'A reversible gel for chiral separations.' ANALYTICAL CHEMISTRY vol. 76, no. 15, August 2004, pages 4558 - 4563EP1999068-A2  See also references of WO 2008048352A2;  DAVIS J T ET AL: "Supramolecular architectures generated by self-assembly of guanosine derivatives" CHEMICAL SOCIETY REVIEWS, vol. 36, no. 2, 7 November 2006 (2006-11-07), pages 296-313, XP002554954;  DOWLING V A ET AL: "A REVERSIBLE GEL FOR CHIRAL SEPARATIONS" ANALYTICAL CHEMISTRY, AMERICAN CHEMICAL SOCIETY. COLUMBUS, US, vol. 76, no. 15, 1 August 2004 (2004-08-01), pages 4558-4563, XP001209660 ISSN: 0003-2700;  DAVIS J T: "G-Quartets 40 Years Later: From 5?-GMP to Molecular Biology and Supramolecular Chemistry" ANGEWANDTE CHEMIE INTERNATIONAL EDITION, vol. 43, no. 6, 27 January 2004 (2004-01-27), pages 668-698, XP002554952;  YU Y ET AL: "Tunable Thermoassociation of Binary Guanosine Gels" JOURNAL OF PHYSICAL CHEMISTRY B, vol. 112, no. 4, 9 January 2008 (2008-01-09), pages 1130-1134, XP002554955;  CHEN Z ET AL: "Bulk Separative Enrichment in Metallic or Semiconducting Single-Walled Carbon Nanotubes" NANO LETTERS, ACS, WASHINGTON, DC, US, vol. 3, no. 9, 20 August 2003 (2003-08-20), pages 1245-1249, XP002993651 ISSN: 1530-6984;  CHANTOT J F ET AL: "Physico-chemical properties of nucleosides. 4. -- Gel formation by guanosine and its analogues" BIOCHIMIE, vol. 53, no. 3, 1971, pages 347-354, XP002554953US7737188-B2  A Reversible Gel for Chiral Separations, Dowling et al., Analytical Chemistry, vol. 76, No. 15, Aug. 1, 2004, p. 4558-4563.;  Andrisano et al., Enantioselective extraction of dinitrophenyl amino acids mediated by lipophilic deoxyguanosine derivatives: chiral discrimination by self-assembly. Angew Chem Int Ed Engl. Aug. 1999;38(16):2386-2388.;  Bianco et al., Applications of carbon nanotubes in drug delivery. Curr Opin Chem Biol. Dec. 2005;9(6):674-9. Epub Oct. 17, 2005. Review.;  Case et al., Guanosine gel for sequence-dependent separation of polymorphic ssDNA. Electrophoresis. Aug. 2007;28(17):3008-16.;  Chantot et al., Physico-chemical properties of nucleosides. 4. Gel formation by quanosine and its analogues. Biochimie. 1971;53(3):347-54.;  Chantot et al., Nucleoside conformations. XIII. Circular dichroiesm of guanosine gels and the conformation of GpG and poly (G). Biochimie. 1974;56(4):501-7.;  Chattopadhyay et al., A route for bulk separation of semiconducting from metallic single-wall carbon nanotubes. J Am Chem Soc. 2003;125(11):3370-5.;  Chen et al., Dissolution of full-length single-walled carbon nanotubes. J Phys Chem B. 2001;105(13):2525-8.;  Chen et al., Solution properties of single-walled carbon nanotubes. Science. Oct. 2, 1998;282(5386):95-8.;  Cromwell et al., Protein aggregation and bioprocessing. AAPS J. Sep. 15, 2006;8(3):E572-9.;  Davis, G-quartets 40 years later: from 5'-GMP to molecular biology and supramolecular chemistry. Angew Chem Int Ed Engl. Jan. 30, 2004;43(6):668-98.;  Dowling et al., A guanosine biogel: chiral separations in capillary electrophoresis and spectroscopic studies.. Student Exams Seminar dated Friday May 27, 2005. Event information page online at http://www.chem.duke.edu/calendar/view.php?user=chem&abstract-695. Accessed online Jun. 12, 2006.;  Dresselhaus et al., Raman spectroscopy on isolated single wall carbon nanotubes. Carbon. 2002;40(12):2043-61.;  Gellert et al., Helix formation by guanylic acid. Proc Natl Acad Sci U S A. Dec. 15, 1962;48:2013-8.;  Grainger, Controlled-release and local delivery of therapeutic antibodies. Expert Opin Biol Ther. Jul. 2004:4(7):1029-44. Review.;  Guschlbauer et al., Four-stranded nucleic acid structures 25 years later: from guanosine gels to Telomer DNA. J Biomol Struct Dyn. Dec. 1990;8(3):491-511. Review.;  Holzinger et al., Sidewall functionalization of carbon nanotubes. Angew Chem Int Ed Engl. Nov. 5, 2001;40(21):4002-4005.;  Ikeda et al., Water-solubilization of nucleotides-coated single-walled carbon nanotubes using a high-speed vibration milling technique. Org Lett. Mar. 16, 2006;8(6):1153-6.;  Islam et al., High weight fraction surfactant solubilization of single-wall carbon nanotubes in water. Nano Lett. 2003;3(2):269-73.;  Krupke et al., Separation of metallic from semiconducting single-walled carbon nanotubes. Science. Jul. 18, 2003;301(5631):344-7. Epub Jun. 26, 2003.;  Li et al., Carbon nanotubes as support for cathode catalyst of a direct methanol fuel cell. Carbon. Apr. 2002;40(5):791-4.;  Liu et al., Fullerene pipes. Science. May 22, 1998;280(5367):1253-6.;  Liu, Modifications of carbon nanotubes with polymers. Eur Polymer J. Nov. 2005;41(11):2693-2703.;  Maeda et al., Large-scale separation of metallic and semiconducting single-walled carbon nanotubes. J Am Chem Soc. Jul. 27, 2005;127(29):10287-90.;  McGown, A novel gel phase for capillary electrophoresis. Nov. 2005 CSSC Meeting Abstract. Nov. 1, 2005. The University of Connecticut. Storrs, CT.;  Mickelson et al., Solvation of fluorinated single-wall carbon nanotubes in alcohol solvents. J Phys Chem B. 1999;103(21):4318-22.;  O'Connell et al., Band gap fluorescence from individual single-walled carbon nanotubes. Science. Jul. 26, 2002;297(5581):593-6.;  O'Connell et al., Reversible water-solubilization of single-walled carbon nanotubes by polymer wrapping. Chem Phys Lett. Jul. 13, 2001;342(3-4):265-71.;  Ortiz-Acevedo et al., Diameter-selective solubilization of single-walled carbon nanotubes by reversible cyclic peptides. J Am Chem Soc. Jul. 6, 2005;127(26):9512-7.;  Pantarotto et al., Functionalized carbon nanotubes for plasmid DNA gene delivery. Angew Chem Int Ed Engl. Oct. 4, 2004;43(39):5242-6.;  Prato et al., Functionalized carbon nanotubes in drug design and discovery. Acc Chem Res. Jan. 2008;41(1):60-8. Epub Sep. 15, 2007. Review.;  Proni et al., The chirality of the cholesteric phases of DNA and G-wires: its connection to their molecular structures. Chemistry. Sep. 1, 2000;6(17):3249-53.;  Rao et al., Effect of van der Waals interactions on the Raman modes in single walled carbon nanotubes. Phys Rev Lett. Apr. 23, 2001;86(17):3895-8.;  Sasisekharan et al., The structure of helical 5'-guanosine monophosphate. J Mol Biol. Feb. 25, 1975;92(2):171-9.;  Simonsson, G-quadruplex DNA structures_variations on a theme. Biol Chem. Apr. 2001;382(4):621-8. Review.;  Sreenivasachary et al., Structural selection in G-quartet-based hydrogels and controlled release of bioactive molecules. Chem Asian J. Jan. 4, 2008;3(1):134-9.;  Sreenivasachary et al., Gelation-driven component selection in the generation of constitutional dynamic hydrogels based on guanine-quartet formation. Proc Natl Acad Sci U S A. Apr. 26, 2005;102(17):5938-43. Epub Apr. 19, 2005.;  Tulis et al., YC-1-mediated vascular protection through inhibition of smooth muscle cell proliferation and platelet function. Biochem Biophys Res Commun. Mar. 8, 2002;291(4):1014-21.;  Walmsley et al., A new model for the K+-induced macromolecular structure of guanosine 5'-monophosphate in solution. Biochemistry. Oct. 19, 1999;38(42):14063-8.;  Wang et al., Rapidly functionalized, water-dispersed carbon nanotubes at high concentration. J Am Chem Soc. Jan. 11, 2006;128(1):95-9.;  Wei et al., Microfabrication technology: organized assembly of carbon nanotubes. Nature. Apr. 4, 2002;416(6880):495-6.;  Wohlstadter et al., Carbon nanotube-based biosensor. Adv Materials. Jul. 2003;15(14):1184-7.;  Yakobson et al., Fullerene nanotubes: C1,000,000 and beyond. American Scientist. Jul.-Aug. 1997;324:337. Accessed online at http://www.americanscientist.org/issues/num2/fullerene-nanotubes-c1000000-and-beyond/1.;  Yu et al., Capillary electrophoresis: detection and applications. Guanosine gels as a mobile phase for chiral separation of single-walled carbon nanotubes in capillary electrophoresis. Mar. 15, 2006. Meeting Abstract #1410-8.;  Yu et al., Tunable thermoassociation of binary guanosine gels. J Phys Chem B. Jan. 31, 2008;112(4):1130-4. Epub Jan. 9, 2008.;  Zhao et al., Synthesis and characterization of water soluble single-walled carbon nanotube graft copolymers. J Am Chem Soc. Jun. 8, 2005;127(22):8197-203.;  Zheng et al., DNA-assisted dispersion and separation of carbon nanotubes. Nat Mater. May 2003;2(5):338-42.;  International Search Report and Written Opinion dated Apr. 23, 2008 in connection with Application No. PCT/US07/04866.;  International Preliminary Report on Patentability dated Apr. 7, 2009 in connection with Application No. PCT/US07/04866.;  Chen et al., Bulk separative enrichment in metallic or semiconducting single-walled carbon nanotubes. Nanoletters. Aug. 20, 2003;3(9):1254-9.;  Davis et al., Supramolecular architectures generated by self-assembly of guanosine derivatives. Chem Soc Rev. Feb. 2007;36(2):296-313. Epub Nov. 7, 2006.;  Extended European Search Report mailed Nov. 24, 2009 in connection with corresponding EP Application No. 07861249.6.EP1999068-B1  CHEN Z ET AL: "Bulk Separative Enrichment in Metallic or Semiconducting Single-Walled Carbon Nanotubes" NANO LETTERS, ACS, WASHINGTON, DC, US, vol. 3, no. 9, 20 August 2003 (2003-08-20), pages 1245-1249, XP002993651 ISSN: 1530-6984;  DAVIS J T: "G-Quartets 40 Years Later: From 5?-GMP to Molecular Biology and Supramolecular Chemistry" ANGEWANDTE CHEMIE INTERNATIONAL EDITION, vol. 43, no. 6, 27 January 2004 (2004-01-27), pages 668-698, XP002554952;  DOWLING V A ET AL: "A REVERSIBLE GEL FOR CHIRAL SEPARATIONS" ANALYTICAL CHEMISTRY, AMERICAN CHEMICAL SOCIETY. COLUMBUS, US, vol. 76, no. 15, 1 August 2004 (2004-08-01), pages 4558-4563, XP001209660 ISSN: 0003-2700;  CHANTOT J F ET AL: "Physico-chemical properties of nucleosides. 4. -- Gel formation by guanosine and its analogues" BIOCHIMIE, vol. 53, no. 3, 1971, pages 347-354, XP002554953;  DAVIS J T ET AL: "Supramolecular architectures generated by self-assembly of guanosine derivatives" CHEMICAL SOCIETY REVIEWS, vol. 36, no. 2, 7 November 2006 (2006-11-07), pages 296-313, XP002554954;  YU Y ET AL: "Tunable Thermoassociation of Binary Guanosine Gels" JOURNAL OF PHYSICAL CHEMISTRY B, vol. 112, no. 4, 9 January 2008 (2008-01-09), pages 1130-1134, XP002554955;  DAVIS G.: 'Quartets 40 Years Later: From 5'-GMP to Molecular Biology and Supramolecular Chemistry.' SUPRAMOLECULAR CHEMISTRY ANGEW CHEM. INT. ED. vol. 43, 2004, pages 669 - 693;  DOWLING ET AL.: 'A reversible gel for chiral separations.' ANALYTICAL CHEMISTRY vol. 76, no. 15, August 2004, pages 4558 - 4563;  CHANTOT ET AL.: 'Physico-chemical properties of nucleosides.' BIOCHIMIE vol. 53, 1971, pages 347 - 354US7906558-B2  A Reversible Gel for Chiral Separations, Dowling et al., Analytical Chemistry, vol. 76, No. 15, Aug. 1, 2004, p. 4558-4563.;  Andrisano et al., Enantioselective extraction of dinitrophenyl amino acids mediated by lipophilic deoxyguanosine derivatives: chiral discrimination by self-assembly. Angew Chem Int Ed Engl. Aug. 1999;38(16):2386-2388.;  Bianco et al., Applications of carbon nanotubes in drug delivery. Curr Opin Chem Biol. Dec. 2005;9(6):674-9. Epub Oct. 17, 2005. Review.;  Case et al., Guanosine gel for sequence-dependent separation of polymorphic ssDNA. Electrophoresis. Aug. 2007;28(17):3008-16.;  Chantot et al., Physico-chemical properties of nucleosides. 4. Gel formation by quanosine and its analogues. Biochimie. 1971;53(3):347-54.;  Chantot et al., Nucleoside conformations. XIII. Circular dichroism of guanosine gels and the conformation of GpG and poly (G). Biochimie. 1974;56(4):501-7.;  Chattopadhyay et al., A route for bulk separation of semiconducting from metallic single-wall carbon nanotubes. J Am Chem Soc. 2003;125(11):3370-5.;  Chen et al., Bulk separative enrichment in metallic or semiconducting single-walled carbon nanotubes. Nanoletters. Aug. 20, 2003;3(9):1254-9.;  Chen et al., Dissolution of full-length single-walled carbon nanotubes. J Phys Chem B. 2001;105(13):2525-8.;  Chen et al., Solution properties of single-walled carbon nanotubes. Science. Oct. 2, 1998;282(5386):95-8.;  Cromwell et al., Protein aggregation and bioprocessing. AAPS J. Sep. 15, 2006;8(3):E572-9.;  Extended European Search Report mailed Nov. 24, 2009 in connection with corresponding EP Application No. 07861249.6.;  Davis et al., Supramolecular architectures generated by self-assembly of guanosine derivatives. Chem Soc Rev. Feb. 2007;36(2):296-313. Epub Nov. 7, 2006.;  Davis, G-quartets 40 years later: from 5'-GMP to molecular biology and supramolecular chemistry. Angew Chem Int Ed Engl. Jan. 30, 2004;43(6):668-98.;  Dowling et al., A guanosine biogel: chiral separations in capillary electrophoresis and spectroscopic studies. Student Exams Seminar dated Friday May 27, 2005. Event information page online at http://www.chem.duke.edu/calendar/view.php?user+chem&abstract-695. Accessed online Jun. 12, 2006.;  Dowling et al., A reversible gel for chiral separations. Analytical Chem. 2004;76(15):4558-4563.;  Dresselhaus et al., Raman spectroscopy on isolated single wall carbon nanotubes. Carbon. 2002;40(12):2043-61.;  Gellert et al., Helix formation by guanylic acid. Proc Nati Acad Sci USA. Dec. 15, 1962;48:2013-8.;  Grainger, Controlled-release and local delivery of therapeutic antibodies. Expert Opin Biol Ther. Jul. 2004;4(7):1029-44. Review.;  Guschlbauer et al., Four-stranded nucleic acid structures 25 years later: from guanosine gels to Telomer DNA. J Biomol Struct Dyn. Dec. 1990;8(3):491-511. Review.;  Holzinger et al., Sidewall functionalization of carbon nanotubes. Angew Chem Int Ed Engl. Nov. 5, 2001;40(21):4002-4005.;  Ikeda et al., Water-solubilization of nucleotides-coated single-walled carbon nanotubes using a high-speed vibration milling technique. Org Lett. Mar. 16, 2006;8(6):1153-6.;  Islam et al., High weight fraction surfactant solubilization of single-wall carbon nanotubes in water. Nano Lett. 2003;3(2):269-73.;  Krupke et al., Separation of metallic from semiconducting single-walled carbon nanotubes. Science. Jul. 18, 2003;301(5631):344-7. Epub Jun. 26, 2003.;  Li et al., Carbon nanotubes as support for cathode catalyst of a direct methanol fuel cell. Carbon. Apr. 2002;40(5):791-4.;  Liu et al., Fullerene pipes, Science. May 22, 1998;280(5367):1253-6.;  Liu et al., Modifications of carbon nanotubes with polymers. Eur Polymer J. Nov. 2005;41(10:2693-2703.;  Maeda et al., Large-scale separation of metallic and semiconducting single-walled carbon nanotubes. J Am Chem Soc. Jul. 27, 2005;127(29):10287-90.;  McGown, A novel gel phase for capillary electrophoresis. Nov. 2005 CSSC Meeting Abstract. Nov. 1, 2005. The University of Connecticut. Storrs, CT.;  Mickelson et al., Solvation of fluorinated single-wall carbon nanotubes in alcohol solvents. J Phys Chem B. 1999;103(21):4318-22.;  O'Connell et al., Band gap fluorescence from individual single-walled carbon nanotubes. Science. Jul. 26, 2002:297(558I):593-6.;  O'Connell et al., Reversible water-solubilization of single-walled carbon nanotubes by polymer wrapping. Chem Phys Lett. Jul. 13, 2001;342(3-4):265-71.;  Ortiz-Acevedo et al., Diameter-selective solubilization of single-walled carbon nanotubes by reversible cyclic peptides. J Am Chem Soc. Jul. 6, 2005;127(26):9512-7.;  Pantarotto et al., Functionalized carbon nanotubes for plasmid DNA gene delivery. Angew Chem Int Ed. Engl. Oct. 4, 2004;43(39):5242-6.;  Prato et al., Functionalized carbon nanotubes in drug design and discovery. Acc Chem res. Jan. 2008;41(1):60-8. Epub Sep. 15, 2007. Review.;  Proni et al., The chirality of the cholesteric phases of DNA and G-wires: its connection to their molecular structures. Chemistry. Sep. 1, 2000;6(17):33249-53.;  Rao et al., Effect of van der Waals interactions on the Raman modes in single walled carbon nanotubes. Phys Rev Lett. Apr. 23, 2001;86(17):3895-8.;  Sasisekharan et al., The structure of helical 5'-guanosine monophosphate. J Mol Biol. Feb. 25, 1975;92(2):171-9.;  Simonsson, G-quadruplex DNA structures_variations on a theme. Biol. Chem. Apr. 2001;382(4):621-8. Review.;  Sreenivasachary et al., Structural selection in G-quarter-based hydrogels and controlled release of bioactive molecules. Chem Asian J. Jan. 4, 2008;3(I):134-9.;  Sreenivasachary et al., Gelation-driven component selection in the generation of constitutional dynamic hydrogels based on guanine-quartet formation. Proc Natl Acad Sci Usa. 2005 Apr 26;102(17):5938-43. Epub 2005 Apr 19.*.;  Tulis et al., YC-1-mediated vascular protection through inhibition of smooth muscle cell proliferation and platelet function. Biochem Biophys Res Commun. Mar. 8, 2002;29I(4):1014-21.;  Walmsley et al., A new model for the K+-induced macromolecular structure of guanosine 5'-monophosphate in solution. Biochemistry. Oct. 19, 1999;38(42):14063-8.;  Wang et al., Rapidly functionalized, water-dispersed carbon nanotubes at high concentration. J Am Chem Soc. Jan. 11, 2006;128(1):95-9.;  Wei et al., Microfabrication technology: organized assembly of carbon nanotubes. Nature Apr. 4, 2002;416(6880):495-6.;  Wohlstadter et al., Carbon nanotube-based biosensor. Adv Materials. Jul. 2003;15(14):11847.;  Yakobson et al., Fullerene nanotubes: C1,000,000 and beyond. American Scientist. Jul.-Aug. 1997;324:337. Accessed online at http://www.american scientist.org/issues/num2/fullerene-nanotubes-c1000000-and-beyond/1.;  Yu et al., Capillary electrophoresis: detection and applications. Guanosine gels as a mobile phase for chiral separation of single-walled carbon nanotubes in capillary electrophoresis. Mar. 15, 2006. Meeting Abstract #1410-8.;  Yu et al., Tunable thermoassociation of binary guanosine gels., J Phys Chem B. Jan. 31, 2008;112(4):1130-4. Epub Jan. 9, 2008.;  Zhao et al., Synthesis and characterization of water soluble single-walled carbon nanotube graft copolymers. J Am Chem Soc. Jun. 8, 2005;127(22):8197-203.;  Zheng et al., DNA-assisted dispersion and separation of carbon nanotubes. Nat Mater. May 2003;2(5):338-42.;  International Search Report and Written Opinion dated Apr. 23, 2008 in connection with Application No. PCT/US07/04866.;  International Search Report and Written Opinion dated Jul. 6, 2010 in connection with Application No. PCT/US09/004189.;  International Preliminary Report on Patentability dated Apr. 7, 2009 in connection with Application No. PCT/US07/04866.