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David M Walba

Phone303/492-6750
ORCID ORCID Icon0000-0002-4478-3858 Additional info

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    R01GM031215     (WALBA, DAVID M)Sep 30, 1982 - Aug 31, 1989
    NIH/NIGMS
    MONOMERIC CHIRAL BORANES IN ASYMMETRIC SYNTHESIS
    Role: Principal Investigator

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Faculty can login to make corrections and additions.
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    1. Shi Y, Sun Z, Chen R, Zhu C, Shoemaker RK, Tsai E, Walba DM, Glaser MA, Maclennan JE, Chen D, Clark NA. Effect of Conformational Chirality on Optical Activity Observed in a Smectic of Achiral, Bent-Core Molecules. J Phys Chem B. 2017 Jul 20; 121(28):6944-6950. PMID: 28605199.
      View in: PubMed
    2. Kim H, Ryu SH, Tuchband M, Shin TJ, Korblova E, Walba DM, Clark NA, Yoon DK. Structural transitions and guest/host complexing of liquid crystal helical nanofilaments induced by nanoconfinement. Sci Adv. 2017 Feb; 3(2):e1602102. PMID: 28246642.
      View in: PubMed
    3. Gim MJ, Kim H, Chen D, Shen Y, Yi Y, Korblova E, Walba DM, Clark NA, Yoon DK. Airflow-aligned helical nanofilament (B4) phase in topographic confinement. Sci Rep. 2016 Jul 07; 6:29111. PMID: 27384747; PMCID: PMC4935884.
    4. Zhu C, Tuchband MR, Young A, Shuai M, Scarbrough A, Walba DM, Maclennan JE, Wang C, Hexemer A, Clark NA. Resonant Carbon K-Edge Soft X-Ray Scattering from Lattice-Free Heliconical Molecular Ordering: Soft Dilative Elasticity of the Twist-Bend Liquid Crystal Phase. Phys Rev Lett. 2016 04 08; 116(14):147803. PMID: 27104729.
      View in: PubMed
    5. Bag S, Maingi V, Maiti PK, Yelk J, Glaser MA, Walba DM, Clark NA. Molecular structure of the discotic liquid crystalline phase of hexa-peri-hexabenzocoronene/oligothiophene hybrid and their charge transport properties. J Chem Phys. 2015 Oct 14; 143(14):144505. PMID: 26472387.
      View in: PubMed
    6. Ryu SH, Kim H, Lee S, Cha YJ, Shin TJ, Ahn H, Korblova E, Walba DM, Clark NA, Lee SB, Yoon DK. Nucleation and growth of a helical nanofilament (B4) liquid-crystal phase confined in nanobowls. Soft Matter. 2015 Oct 21; 11(39):7778-82. PMID: 26313738.
      View in: PubMed
    7. Chen D, Tuchband MR, Horanyi B, Korblova E, Walba DM, Glaser MA, Maclennan JE, Clark NA. Diastereomeric liquid crystal domains at the mesoscale. Nat Commun. 2015 Aug 07; 6:7763. PMID: 26249039.
      View in: PubMed
    8. Lee S, Kim H, Tsai E, Richardson JM, Korblova E, Walba DM, Clark NA, Lee SB, Yoon DK. Multidimensional Helical Nanostructures in Multiscale Nanochannels. Langmuir. 2015 Jul 28; 31(29):8156-61. PMID: 26135637.
      View in: PubMed
    9. Fraccia TP, Smith GP, Zanchetta G, Paraboschi E, Yi Y, Walba DM, Dieci G, Clark NA, Bellini T. Corrigendum: Abiotic ligation of DNA oligomers templated by their liquid crystal ordering. Nat Commun. 2015 Jun 17; 6:7463. PMID: 26081555.
      View in: PubMed
    10. Lee S, Kim H, Shin TJ, Tsai E, Richardson JM, Korblova E, Walba DM, Clark NA, Lee SB, Yoon DK. Physico-chemical confinement of helical nanofilaments. Soft Matter. 2015 May 14; 11(18):3653-9. PMID: 25812081.
      View in: PubMed
    11. Zhu C, Wang C, Young A, Liu F, Gunkel I, Chen D, Walba D, Maclennan J, Clark N, Hexemer A. Probing and controlling liquid crystal helical nanofilaments. Nano Lett. 2015 May 13; 15(5):3420-4. PMID: 25867200.
      View in: PubMed
    12. LaCount MD, Weingarten D, Hu N, Shaheen SE, van de Lagemaat J, Rumbles G, Walba DM, Lusk MT. Energy pooling upconversion in organic molecular systems. J Phys Chem A. 2015 Apr 30; 119(17):4009-16. PMID: 25793313.
      View in: PubMed
    13. Fraccia TP, Smith GP, Zanchetta G, Paraboschi E, Yi Y, Yi Y, Walba DM, Dieci G, Clark NA, Bellini T. Abiotic ligation of DNA oligomers templated by their liquid crystal ordering. Nat Commun. 2015 Mar 10; 6:6424. PMID: 25752840; PMCID: PMC4366493.
    14. Kim H, Lee S, Shin TJ, Korblova E, Walba DM, Clark NA, Lee SB, Yoon DK. Multistep hierarchical self-assembly of chiral nanopore arrays. Proc Natl Acad Sci U S A. 2014 Oct 07; 111(40):14342-7. PMID: 25246585; PMCID: PMC4209994.
    15. Shi Y, Fang G, Glaser MA, Maclennan JE, Korblova E, Walba DM, Clark NA. Phase winding of a nematic liquid crystal by dynamic localized reorientation of an azo-based self-assembled monolayer. Langmuir. 2014 Aug 12; 30(31):9560-6. PMID: 25019612.
      View in: PubMed
    16. Hu N, Shao R, Shen Y, Chen D, Clark NA, Walba DM. An electric-field-responsive discotic liquid-crystalline hexa-peri-hexabenzocoronene/oligothiophene hybrid. Adv Mater. 2014 Apr 02; 26(13):2066-71. PMID: 24818257.
      View in: PubMed
    17. Callahan RA, Coffey DC, Chen D, Clark NA, Rumbles G, Walba DM. Charge generation measured for fullerene-helical nanofilament liquid crystal heterojunctions. ACS Appl Mater Interfaces. 2014 Apr 09; 6(7):4823-30. PMID: 24588899.
      View in: PubMed
    18. Ryu SH, Shin TJ, Gong T, Shen Y, Korblova E, Shao R, Walba DM, Clark NA, Yoon DK. Cybotactic behavior in the de Vries smectic-A* liquid-crystal structure formed by a silicon-containing molecule. Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Mar; 89(3):032502. PMID: 24730859.
      View in: PubMed
    19. Chen D, Nakata M, Shao R, Tuchband MR, Shuai M, Baumeister U, Weissflog W, Walba DM, Glaser MA, Maclennan JE, Clark NA. Twist-bend heliconical chiral nematic liquid crystal phase of an achiral rigid bent-core mesogen. Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Feb; 89(2):022506. PMID: 25353488.
      View in: PubMed
    20. Chen D, Shen Y, Aguero J, Korblova E, Walba DM, Kapernaum N, Giesselmann F, Watanabe J, Maclennan JE, Glaser MA, Clark NA. Chiral isotropic sponge phase of hexatic smectic layers of achiral molecules. Chemphyschem. 2014 May 19; 15(7):1502-7. PMID: 24376194.
      View in: PubMed
    21. Shen Y, Wang L, Shao R, Gong T, Zhu C, Yang H, Maclennan JE, Walba DM, Clark NA. Generalized Langevin-Debye model of the field dependence of tilt, birefringence, and polarization current near the de Vries smectic-A* to smectic-C* liquid crystal phase transition. Phys Rev E Stat Nonlin Soft Matter Phys. 2013 Dec; 88(6):062504. PMID: 24483465.
      View in: PubMed
    22. Chen D, Porada JH, Hooper JB, Klittnick A, Shen Y, Tuchband MR, Korblova E, Bedrov D, Walba DM, Glaser MA, Maclennan JE, Clark NA. Chiral heliconical ground state of nanoscale pitch in a nematic liquid crystal of achiral molecular dimers. Proc Natl Acad Sci U S A. 2013 Oct 01; 110(40):15931-6. PMID: 24006362; PMCID: PMC3791744.
    23. Tsai E, Richardson JM, Korblova E, Nakata M, Chen D, Shen Y, Shao R, Clark NA, Walba DM. A modulated helical nanofilament phase. Angew Chem Int Ed Engl. 2013 May 10; 52(20):5254-7. PMID: 23606222.
      View in: PubMed
    24. Fang GJ, Maclennan JE, Yi Y, Glaser MA, Farrow M, Korblova E, Walba DM, Furtak TE, Clark NA. Athermal photofluidization of glasses. Nat Commun. 2013; 4:1521. PMID: 23443549.
      View in: PubMed
    25. Zhu C, Shao R, Reddy RA, Chen D, Shen Y, Gong T, Glaser MA, Korblova E, Rudquist P, Maclennan JE, Walba DM, Clark NA. Topological ferroelectric bistability in a polarization-modulated orthogonal smectic liquid crystal. J Am Chem Soc. 2012 Jun 13; 134(23):9681-7. PMID: 22545731.
      View in: PubMed
    26. Nakata M, Chen D, Shao R, Korblova E, Maclennan JE, Walba DM, Clark NA. Electro-optic response of the anticlinic, antiferroelectric liquid-crystal phase of a biaxial bent-core molecule with tilt angle near 45°. Phys Rev E Stat Nonlin Soft Matter Phys. 2012 Mar; 85(3 Pt 1):031704. PMID: 22587111.
      View in: PubMed
    27. Bellini T, Zanchetta G, Fraccia TP, Cerbino R, Tsai E, Smith GP, Moran MJ, Walba DM, Clark NA. Liquid crystal self-assembly of random-sequence DNA oligomers. Proc Natl Acad Sci U S A. 2012 Jan 24; 109(4):1110-5. PMID: 22233803; PMCID: PMC3268275.
    28. Chen D, Heberling MS, Nakata M, Hough LE, Maclennan JE, Glaser MA, Korblova E, Walba DM, Watanabe J, Clark NA. Structure of the B4 liquid crystal phase near a glass surface. Chemphyschem. 2012 Jan 16; 13(1):155-9. PMID: 22162333.
      View in: PubMed
    29. Guo L, Gorecka E, Pociecha D, Vaupotic N, Cepic M, Reddy RA, Gornik K, Araoka F, Clark NA, Walba DM, Ishikawa K, Takezoe H. Ferroelectric behavior of orthogonal smectic phase made of bent-core molecules. Phys Rev E Stat Nonlin Soft Matter Phys. 2011 Sep; 84(3 Pt 1):031706. PMID: 22060389.
      View in: PubMed
    30. Fang G, Shi Y, Maclennan JE, Walba DM, Clark NA. Photodegradation of azobenzene-based self-assembled monolayers characterized by in-plane birefringence. Langmuir. 2011 Sep 06; 27(17):10407-11. PMID: 21812419.
      View in: PubMed
    31. Shen Y, Gong T, Shao R, Korblova E, Maclennan JE, Walba DM, Clark NA. Effective conductivity due to continuous polarization reorientation in fluid ferroelectrics. Phys Rev E Stat Nonlin Soft Matter Phys. 2011 Aug; 84(2 Pt 1):020701. PMID: 21928940.
      View in: PubMed
    32. Chen D, Maclennan JE, Shao R, Yoon DK, Wang H, Korblova E, Walba DM, Glaser MA, Clark NA. Chirality-preserving growth of helical filaments in the B4 phase of bent-core liquid crystals. J Am Chem Soc. 2011 Aug 17; 133(32):12656-63. PMID: 21692442.
      View in: PubMed
    33. Reddy RA, Zhu C, Shao R, Korblova E, Gong T, Shen Y, Garcia E, Glaser MA, Maclennan JE, Walba DM, Clark NA. Spontaneous ferroelectric order in a bent-core smectic liquid crystal of fluid orthorhombic layers. Science. 2011 Apr 01; 332(6025):72-7. PMID: 21454782.
      View in: PubMed
    34. Yoon DK, Yi Y, Shen Y, Korblova ED, Walba DM, Smalyukh II, Clark NA. Orientation of a helical nanofilament (B4) liquid-crystal phase: topographic control of confinement, shear flow, and temperature gradients. Adv Mater. 2011 May 03; 23(17):1962-7. PMID: 21438030.
      View in: PubMed
    35. Fang G, Koral N, Zhu C, Yi Y, Glaser MA, Maclennan JE, Clark NA, Korblova ED, Walba DM. Effect of concentration on the photo-orientation and relaxation dynamics of self-assembled monolayers of mixtures of an azobenzene-based triethoxysilane with octyltriethoxysilane. Langmuir. 2011 Apr 05; 27(7):3336-42. PMID: 21401057.
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    36. Ki Yoon D, Deb R, Chen D, Körblova E, Shao R, Ishikawa K, Rao NV, Walba DM, Smalyukh II, Clark NA. Organization of the polarization splay modulated smectic liquid crystal phase by topographic confinement. Proc Natl Acad Sci U S A. 2010 Dec 14; 107(50):21311-5. PMID: 21098307; PMCID: PMC3003079.
    37. Fang G, Shi Y, Maclennan JE, Clark NA, Farrow MJ, Walba DM. Photo-reversible liquid crystal alignment using azobenzene-based self-assembled monolayers: comparison of the bare monolayer and liquid crystal reorientation dynamics. Langmuir. 2010 Nov 16; 26(22):17482-8. PMID: 20929215.
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    38. Chen D, Zhu C, Shoemaker RK, Korblova E, Walba DM, Glaser MA, Maclennan JE, Clark NA. Pretransitional orientational ordering of a calamitic liquid crystal by helical nanofilaments of a bent-core mesogen. Langmuir. 2010 Oct 05; 26(19):15541-5. PMID: 20809598.
      View in: PubMed
    39. Chattham N, Korblova E, Shao R, Walba DM, Maclennan JE, Clark NA. Triclinic fluid order. Phys Rev Lett. 2010 Feb 12; 104(6):067801. PMID: 20366856.
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    40. Walba DM, Yang H, Keller P, Zhu C, Shao R, Coleman DA, Jones CD, Clark NA. Macromol. Rapid commun. 22/2009. Macromol Rapid Commun. 2009 Nov 19; 30(22). PMID: 21638467.
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    41. Walba DM, Yang H, Keller P, Zhu C, Shao R, Coleman DA, Jones CD, Clark NA. A main-chain de vries smectic liquid crystal polymer prepared by hoveyda-grubbs catalyst initiated acyclic diene metathesis polymerization. Macromol Rapid Commun. 2009 Nov 19; 30(22):1894-9. PMID: 21638471.
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    42. Hough LE, Jung HT, Krüerke D, Heberling MS, Nakata M, Jones CD, Chen D, Link DR, Zasadzinski J, Heppke G, Rabe JP, Stocker W, Körblova E, Walba DM, Glaser MA, Clark NA. Helical nanofilament phases. Science. 2009 Jul 24; 325(5939):456-60. PMID: 19628864.
      View in: PubMed
    43. Hough LE, Spannuth M, Nakata M, Coleman DA, Jones CD, Dantlgraber G, Tschierske C, Watanabe J, Körblova E, Walba DM, Maclennan JE, Glaser MA, Clark NA. Chiral isotropic liquids from achiral molecules. Science. 2009 Jul 24; 325(5939):452-6. PMID: 19628863.
      View in: PubMed
    44. Kapernaum N, Walba DM, Korblova E, Zhu C, Jones C, Shen Y, Clark NA, Giesselmann F. On the origin of the "giant" electroclinic effect in a "de Vries"-type ferroelectric liquid crystal material for chirality sensing applications. Chemphyschem. 2009 Apr 14; 10(6):890-2. PMID: 19266514.
      View in: PubMed
    45. Yi Y, Farrow MJ, Korblova E, Walba DM, Furtak TE. High-sensitivity aminoazobenzene chemisorbed monolayers for photoalignment of liquid crystals. Langmuir. 2009 Jan 20; 25(2):997-1003. PMID: 19093815.
      View in: PubMed
    46. Coleman DA, Jones CD, Nakata M, Clark NA, Walba DM, Weissflog W, Fodor-Csorba K, Watanabe J, Novotna V, Hamplova V. Polarization splay as the origin of modulation in the B1 and B7 smectic phases of bent-core molecules. Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Feb; 77(2 Pt 1):021703. PMID: 18352038.
      View in: PubMed
    47. Kane A, Shao RF, Maclennan JE, Wang L, Walba DM, Clark NA. Electric-field-driven deracemization. Chemphyschem. 2007 Jan 08; 8(1):170-4. PMID: 17152110.
      View in: PubMed
    48. Walba DM, Eshdat L, Korblova E, Shao R, Clark NA. A general method for measurement of enantiomeric excess by using electrooptics in ferroelectric liquid crystals. Angew Chem Int Ed Engl. 2007; 46(9):1473-5. PMID: 17221895.
      View in: PubMed
    49. Walba DM, Korblova E, Huang CC, Shao R, Nakata M, Clark NA. Reflection symmetry breaking in achiral rod-shaped smectic liquid crystals? J Am Chem Soc. 2006 Apr 26; 128(16):5318-9. PMID: 16620084.
      View in: PubMed
    50. Fernsler J, Hough L, Shao RF, Maclennan JE, Navailles L, Brunet M, Madhusudana NV, Mondain-Monval O, Boyer C, Zasadzinski J, Rego JA, Walba DM, Clark NA. Giant-block twist grain boundary smectic phases. Proc Natl Acad Sci U S A. 2005 Oct 04; 102(40):14191-6. PMID: 16176991; PMCID: PMC1242277.
    51. Lagerwall JP, Kane AA, Clark NA, Walba DM. Polarity-directed analog electro-optic switching in a low-polarization chiral smectic liquid crystal with positive dielectric anisotropy. Phys Rev E Stat Nonlin Soft Matter Phys. 2004 Sep; 70(3 Pt 1):031703. PMID: 15524539.
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    52. Maclennan JE, Muller D, Shao RF, Coleman D, Dyer DJ, Walba DM, Clark NA. Field control of the surface electroclinic effect in chiral smectic-A liquid crystals. Phys Rev E Stat Nonlin Soft Matter Phys. 2004 Jun; 69(6 Pt 1):061716. PMID: 15244607.
      View in: PubMed
    53. Coleman D, Mueller D, Clark NA, Maclennan JE, Shao RF, Bardon S, Walba DM. Control of molecular orientation in electrostatically stabilized ferroelectric liquid crystals. Phys Rev Lett. 2003 Oct 24; 91(17):175505. PMID: 14611359.
      View in: PubMed
    54. Coleman DA, Fernsler J, Chattham N, Nakata M, Takanishi Y, Körblova E, Link DR, Shao RF, Jang WG, Maclennan JE, Mondainn-Monval O, Boyer C, Weissflog W, Pelzl G, Chien LC, Zasadzinski J, Watanabe J, Walba DM, Takezoe H, Clark NA. Polarization-modulated smectic liquid crystal phases. Science. 2003 Aug 29; 301(5637):1204-11. PMID: 12947191.
      View in: PubMed
    55. Ekhoff JA, Farrow MJ, Walba DM, Rowlen KL. Molecular orientation of a model liquid crystal alignment layer. Talanta. 2003 Jul 04; 60(4):801-8. PMID: 18969104.
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    56. Park CS, Furtak TE, Clark NA, Liberko CA, Walba DM. Second-harmonic generation from rubbed ferroelectric liquid crystal mesogenic monolayer surfaces. Phys Rev E Stat Nonlin Soft Matter Phys. 2003 May; 67(5 Pt 1):051707. PMID: 12786164.
      View in: PubMed
    57. Maclennan JE, Clark NA, Walba DM. Biaxial model of the surface anchoring of bent-core smectic liquid crystals. Phys Rev E Stat Nonlin Soft Matter Phys. 2001 Sep; 64(3 Pt 1):031706. PMID: 11580354.
      View in: PubMed
    58. Walba DM. Web Site: An Anchor in the Flood of Data. Angew Chem Int Ed Engl. 2001 Aug 17; 40(16):3079. PMID: 12203654.
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    59. Mooney JF, Hunt AJ, McIntosh JR, Liberko CA, Walba DM, Rogers CT. Patterning of functional antibodies and other proteins by photolithography of silane monolayers. Proc Natl Acad Sci U S A. 1996 Oct 29; 93(22):12287-91. PMID: 8901573; PMCID: PMC37983.
    60. Walba DM, Stevens F, Parks DC, Clark NA, Wand MD. Near--Atomic Resolution Imaging of Ferroelectric Liquid Crystal Molecules on Graphite by STM. Science. 1995 Feb 24; 267(5201):1144-7. PMID: 17789195.
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    61. Freeman MO, Brown TA, Walba DM. Quantized complex ferroelectric liquid crystal spatial light modulators. Appl Opt. 1992 Jul 10; 31(20):3917-29. PMID: 20725368.
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