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Items: 1 to 50 of 130

1.

Diffusion Behavior of Differently Charged Molecules in Self-Assembled Organic Nanotubes Studied Using Imaging Fluorescence Correlation Spectroscopy.

Ghimire G, Espinoza R, Xu H, Nagasaka S, Kameta N, Masuda M, Higgins DA, Ito T.

Langmuir. 2019 Jun 18;35(24):7783-7790. doi: 10.1021/acs.langmuir.9b01022. Epub 2019 Jun 5.

PMID:
31125237
2.

Guanidine Riboswitch-Regulated Efflux Transporters Protect Bacteria against Ionic Liquid Toxicity.

Higgins DA, Gladden JM, Kimbrel JA, Simmons BA, Singer SW, Thelen MP.

J Bacteriol. 2019 Jun 10;201(13). pii: e00069-19. doi: 10.1128/JB.00069-19. Print 2019 Jul 1.

3.

Optical Microscopic Techniques for Synthetic Polymer Characterization.

Coceancigh H, Higgins DA, Ito T.

Anal Chem. 2019 Jan 2;91(1):405-424. doi: 10.1021/acs.analchem.8b04694. Epub 2018 Oct 26. No abstract available.

PMID:
30350610
4.

Natural Variation in the Multidrug Efflux Pump SGE1 Underlies Ionic Liquid Tolerance in Yeast.

Higgins DA, Young MKM, Tremaine M, Sardi M, Fletcher JM, Agnew M, Liu L, Dickinson Q, Peris D, Wrobel RL, Hittinger CT, Gasch AP, Singer SW, Simmons BA, Landick R, Thelen MP, Sato TK.

Genetics. 2018 Sep;210(1):219-234. doi: 10.1534/genetics.118.301161. Epub 2018 Jul 25.

5.

Vapor-Phase Plotting of Organosilane Chemical Gradients.

Bautista-Gomez J, Forzano AV, Austin JM, Collinson MM, Higgins DA.

Langmuir. 2018 Aug 21;34(33):9665-9672. doi: 10.1021/acs.langmuir.8b01977. Epub 2018 Aug 6.

PMID:
30044095
6.

Correction to "Single-Molecule Studies of Acidity Distributions in Mesoporous Aluminosilicate Thin Films".

Sun X, Xie J, Xu J, Higgins DA, Hohn KL.

Langmuir. 2018 Mar 6;34(9):3158. doi: 10.1021/acs.langmuir.8b00277. Epub 2018 Feb 19. No abstract available.

PMID:
29457461
7.

Probing the Local Dielectric Constant of Plasmid DNA in Solution and Adsorbed on Chemically Graded Aminosilane Surfaces.

Li Z, Kumarasinghe R, Collinson MM, Higgins DA.

J Phys Chem B. 2018 Mar 1;122(8):2307-2313. doi: 10.1021/acs.jpcb.8b00077. Epub 2018 Feb 16.

PMID:
29425444
8.

pH and Surface Charge Switchability on Bifunctional Charge Gradients.

Ashraf KM, Khan MRK, Higgins DA, Collinson MM.

Langmuir. 2018 Jan 16;34(2):663-672. doi: 10.1021/acs.langmuir.7b02334. Epub 2018 Jan 2.

PMID:
29293005
9.

Organosilane Chemical Gradients: Progress, Properties, and Promise.

Collinson MM, Higgins DA.

Langmuir. 2017 Dec 5;33(48):13719-13732. doi: 10.1021/acs.langmuir.7b02259. Epub 2017 Aug 29.

PMID:
28849936
10.

Spectroscopic imaging studies of nanoscale polarity and mass transport phenomena in self-assembled organic nanotubes.

Xu H, Nagasaka S, Kameta N, Masuda M, Ito T, Higgins DA.

Phys Chem Chem Phys. 2017 Aug 2;19(30):20040-20048. doi: 10.1039/c7cp03672h.

PMID:
28722740
11.

Base Layer Influence on Protonated Aminosilane Gradient Wettability.

Ashraf KM, Wang C, Nair SS, Wynne KJ, Higgins DA, Collinson MM.

Langmuir. 2017 May 2;33(17):4207-4215. doi: 10.1021/acs.langmuir.7b00614. Epub 2017 Apr 19.

PMID:
28421767
12.

Single Molecule Catch and Release: Potential-Dependent Plasmid DNA Adsorption along Chemically Graded Electrode Surfaces.

Li Z, Ashraf KM, Collinson MM, Higgins DA.

Langmuir. 2017 Sep 5;33(35):8651-8662. doi: 10.1021/acs.langmuir.7b00044. Epub 2017 Apr 13.

PMID:
28383916
13.

Single-Molecule Tracking Study of the Permeability and Transverse Width of Individual Cylindrical Microdomains in Solvent-Swollen Polystyrene-block-poly(ethylene oxide) Films.

Sapkota DR, Tran-Ba KH, Elwell-Cuddy T, Higgins DA, Ito T.

J Phys Chem B. 2016 Dec 1;120(47):12177-12183. Epub 2016 Nov 17.

PMID:
27933938
14.

Molecular Combing of λ-DNA using Self-Propelled Water Droplets on Wettability Gradient Surfaces.

Giri D, Li Z, Ashraf KM, Collinson MM, Higgins DA.

ACS Appl Mater Interfaces. 2016 Sep 14;8(36):24265-72. doi: 10.1021/acsami.6b08607. Epub 2016 Aug 31.

PMID:
27541167
15.

Early breast cancer screening using iron/iron oxide-based nanoplatforms with sub-femtomolar limits of detection.

Udukala DN, Wang H, Wendel SO, Malalasekera AP, Samarakoon TN, Yapa AS, Abayaweera G, Basel MT, Maynez P, Ortega R, Toledo Y, Bossmann L, Robinson C, Janik KE, Koper OB, Li P, Motamedi M, Higgins DA, Gadbury G, Zhu G, Troyer DL, Bossmann SH.

Beilstein J Nanotechnol. 2016 Mar 7;7:364-373. doi: 10.3762/bjnano.7.33. eCollection 2016.

16.

Imaging fluorescence correlation spectroscopy studies of dye diffusion in self-assembled organic nanotubes.

Xu H, Nagasaka S, Kameta N, Masuda M, Ito T, Higgins DA.

Phys Chem Chem Phys. 2016 Jun 22;18(25):16766-74. doi: 10.1039/c6cp03069f.

PMID:
27271313
17.

Separation of transition and heavy metals using stationary phase gradients and thin layer chromatography.

Stegall SL, Ashraf KM, Moye JR, Higgins DA, Collinson MM.

J Chromatogr A. 2016 May 13;1446:141-8. doi: 10.1016/j.chroma.2016.04.005. Epub 2016 Apr 6.

PMID:
27090390
18.

Cooperative Effects in Aligned and Opposed Multicomponent Charge Gradients Containing Strongly Acidic, Weakly Acidic, and Basic Functional Groups.

Ashraf KM, Giri D, Wynne KJ, Higgins DA, Collinson MM.

Langmuir. 2016 Apr 26;32(16):3836-47. doi: 10.1021/acs.langmuir.6b00638. Epub 2016 Apr 13.

PMID:
27073019
19.

Amine-phenyl multi-component gradient stationary phases.

Dewoolkar VC, Kannan B, Ashraf KM, Higgins DA, Collinson MM.

J Chromatogr A. 2015 Sep 4;1410:190-9. doi: 10.1016/j.chroma.2015.07.089. Epub 2015 Jul 29.

PMID:
26255112
20.

Characterization of Porous Materials by Fluorescence Correlation Spectroscopy Super-resolution Optical Fluctuation Imaging.

Kisley L, Brunetti R, Tauzin LJ, Shuang B, Yi X, Kirkeminde AW, Higgins DA, Weiss S, Landes CF.

ACS Nano. 2015 Sep 22;9(9):9158-66. doi: 10.1021/acsnano.5b03430. Epub 2015 Aug 28.

21.

Single-Molecule Investigations of Morphology and Mass Transport Dynamics in Nanostructured Materials.

Higgins DA, Park SC, Tran-Ba KH, Ito T.

Annu Rev Anal Chem (Palo Alto Calif). 2015;8:193-216. doi: 10.1146/annurev-anchem-071114-040153. Epub 2015 Jun 24. Review.

PMID:
26132347
22.

Single-molecule studies of acidity distributions in mesoporous aluminosilicate thin films.

Sun X, Xie J, Xu J, Higgins DA, Hohn KL.

Langmuir. 2015 May 26;31(20):5667-75. doi: 10.1021/acs.langmuir.5b01628. Epub 2015 May 12. Erratum in: Langmuir. 2018 Mar 6;34(9):3158.

PMID:
25941900
23.

Fluorescence Recovery after Photobleaching and Single-Molecule Tracking Measurements of Anisotropic Diffusion within Identical Regions of a Cylinder-Forming Diblock Copolymer Film.

Tran-Ba KH, Higgins DA, Ito T.

Anal Chem. 2015 Jun 2;87(11):5802-9. doi: 10.1021/acs.analchem.5b01041. Epub 2015 May 12.

PMID:
25923826
24.

Trajectory-profile-guided single molecule tracking for assignment of one-dimensional diffusion trajectories.

Robben KC, Tran-Ba KH, Ito T, Higgins DA.

Anal Chem. 2014 Nov 4;86(21):10820-7. doi: 10.1021/ac502881u. Epub 2014 Oct 23.

PMID:
25302773
25.

Single-molecule tracking studies of flow-induced microdomain alignment in cylinder-forming polystyrene-poly(ethylene oxide) diblock copolymer films.

Tran-Ba KH, Higgins DA, Ito T.

J Phys Chem B. 2014 Sep 25;118(38):11406-15. doi: 10.1021/jp507594t. Epub 2014 Sep 15.

PMID:
25181541
26.

Chelation gradients for investigation of metal ion binding at silica surfaces.

Kannan B, Higgins DA, Collinson MM.

Langmuir. 2014 Aug 26;30(33):10019-27. doi: 10.1021/la502088k. Epub 2014 Aug 15.

PMID:
25127401
27.

Elongation, alignment, and guided electrophoretic migration of ds-DNA in flow-aligned hexagonal F127 gels.

Xu H, Minter CJ, Nagasaka S, Ito T, Higgins DA.

J Phys Chem B. 2014 Apr 17;118(15):4151-9. doi: 10.1021/jp501175h. Epub 2014 Apr 9.

PMID:
24673425
28.

Fabrication of surface charge gradients in open-tubular capillaries and their characterization by spatially resolved pulsed streaming potential measurements.

Kannan B, Nokura K, Alvarez JC, Higgins DA, Collinson MM.

Langmuir. 2013 Dec 10;29(49):15260-5. doi: 10.1021/la402934m. Epub 2013 Nov 26.

PMID:
24274139
29.

Nanoplatforms for highly sensitive fluorescence detection of cancer-related proteases.

Wang H, Udukala DN, Samarakoon TN, Basel MT, Kalita M, Abayaweera G, Manawadu H, Malalasekera A, Robinson C, Villanueva D, Maynez P, Bossmann L, Riedy E, Barriga J, Wang N, Li P, Higgins DA, Zhu G, Troyer DL, Bossmann SH.

Photochem Photobiol Sci. 2014 Feb;13(2):231-40. doi: 10.1039/c3pp50260k.

PMID:
24096539
30.

Aminoalkoxysilane reactivity in surface amine gradients prepared by controlled-rate infusion.

Kannan B, Higgins DA, Collinson MM.

Langmuir. 2012 Nov 20;28(46):16091-8. doi: 10.1021/la303580c. Epub 2012 Nov 6.

PMID:
23130663
31.

Formation of self-organized nanoporous anodic oxide from metallic gallium.

Pandey B, Thapa PS, Higgins DA, Ito T.

Langmuir. 2012 Sep 25;28(38):13705-11. Epub 2012 Sep 10.

PMID:
22934571
32.

Fluorescence quenching studies of potential-dependent DNA reorientation dynamics at glassy carbon electrode surfaces.

Li Q, Cui C, Higgins DA, Li J.

J Am Chem Soc. 2012 Sep 5;134(35):14467-75. doi: 10.1021/ja304512k. Epub 2012 Aug 23.

PMID:
22881147
33.

Single molecule tracking studies of flow-aligned mesoporous silica monoliths: aging-time dependence of pore order.

Park SC, Ito T, Higgins DA.

J Phys Chem B. 2013 Apr 25;117(16):4222-30. doi: 10.1021/jp303586h. Epub 2012 Aug 15.

PMID:
22849290
34.

Continuous stationary phase gradients for planar chromatographic media.

Kannan B, Marin MA, Shrestha K, Higgins DA, Collinson MM.

J Chromatogr A. 2011 Dec 30;1218(52):9406-13. doi: 10.1016/j.chroma.2011.10.075. Epub 2011 Nov 7.

PMID:
22119610
35.

Novel optical probes for advanced chemical imaging.

Higgins DA.

Anal Chem. 2011 Nov 1;83(21):8048-9. doi: 10.1021/ac2026749. Epub 2011 Oct 17. No abstract available.

PMID:
22004187
36.

Multiple diffusion pathways in Pluronic F127 mesophases revealed by single molecule tracking and fluorescence correlation spectroscopy.

Kirkeminde AW, Torres T, Ito T, Higgins DA.

J Phys Chem B. 2011 Nov 10;115(44):12736-43. doi: 10.1021/jp208234b. Epub 2011 Oct 18.

PMID:
21970436
37.

Profile control in surface amine gradients prepared by controlled-rate infusion.

Kannan B, Dong D, Higgins DA, Collinson MM.

Langmuir. 2011 Mar 1;27(5):1867-73. doi: 10.1021/la104448n. Epub 2011 Jan 13.

PMID:
21229989
38.

Trajectory angle determination in one dimensional single molecule tracking data by orthogonal regression analysis.

Ba KH, Everett TA, Ito T, Higgins DA.

Phys Chem Chem Phys. 2011 Feb 7;13(5):1827-35. doi: 10.1039/c0cp01581d. Epub 2011 Jan 11.

PMID:
21221458
39.

Single-molecule studies of oligomer extraction and uptake of dyes in poly(dimethylsiloxane) films.

Lange JJ, Collinson MM, Culbertson CT, Higgins DA.

Anal Chem. 2009 Dec 15;81(24):10089-96. doi: 10.1021/ac902250p.

PMID:
19928808
40.

The Vibrio cholerae quorum-sensing autoinducer CAI-1: analysis of the biosynthetic enzyme CqsA.

Kelly RC, Bolitho ME, Higgins DA, Lu W, Ng WL, Jeffrey PD, Rabinowitz JD, Semmelhack MF, Hughson FM, Bassler BL.

Nat Chem Biol. 2009 Dec;5(12):891-5. doi: 10.1038/nchembio.237. Epub 2009 Oct 18.

41.

Electrokinetic trapping using titania nanoporous membranes fabricated using sol-gel chemistry on microfluidic devices.

Hoeman KW, Lange JJ, Roman GT, Higgins DA, Culbertson CT.

Electrophoresis. 2009 Sep;30(18):3160-7. doi: 10.1002/elps.200900027.

PMID:
19722198
42.
43.
44.

What can be learned from single molecule spectroscopy? Applications to sol-gel-derived silica materials.

Ye F, Collinson MM, Higgins DA.

Phys Chem Chem Phys. 2009 Jan 7;11(1):66-82. doi: 10.1039/b812924j. Epub 2008 Nov 12.

PMID:
19081909
45.

Single molecule studies of solvent-dependent diffusion and entrapment in poly(dimethylsiloxane) thin films.

Lange JJ, Culbertson CT, Higgins DA.

Anal Chem. 2008 Dec 15;80(24):9726-34. doi: 10.1021/ac8017179.

PMID:
19006339
46.

Grayscale patterning of polymer thin films with nanometer precision by direct-write multiphoton photolithography.

Yao X, Ito T, Higgins DA.

Langmuir. 2008 Aug 19;24(16):8939-43. doi: 10.1021/la8008877. Epub 2008 Jul 22.

PMID:
18646728
47.

Electrodeposited silicate films: importance of supporting electrolyte.

Collinson MM, Higgins DA, Kommidi R, Campbell-Rance D.

Anal Chem. 2008 Feb 1;80(3):651-6. doi: 10.1021/ac7017124. Epub 2008 Jan 4.

PMID:
18173288
48.

The major Vibrio cholerae autoinducer and its role in virulence factor production.

Higgins DA, Pomianek ME, Kraml CM, Taylor RK, Semmelhack MF, Bassler BL.

Nature. 2007 Dec 6;450(7171):883-6. Epub 2007 Nov 14.

PMID:
18004304
49.

Direct-write multiphoton photolithography: a systematic study of the etching behaviors in various commercial polymers.

Ibrahim S, Higgins DA, Ito T.

Langmuir. 2007 Nov 20;23(24):12406-12. Epub 2007 Oct 26.

PMID:
17960946
50.

Molecular orientation and its influence on autocorrelation amplitudes in single-molecule imaging experiments.

Ye F, Collinson MM, Higgins DA.

Anal Chem. 2007 Sep 1;79(17):6465-72. Epub 2007 Jul 31.

PMID:
17663532

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