Publications by authors named "Christine D Keating"

71Publications

Linear and nonlinear chiroptical response from individual 3D printed plasmonic and dielectric micro-helices.

J Chem Phys 2020 Oct;153(15):154702

Department of Electrical Engineering and Center for Nanoscale Science, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1063/5.0020539DOI Listing
October 2020

Formation of Multiphase Complex Coacervates and Partitioning of Biomolecules within them.

Biomacromolecules 2020 02 27;21(2):630-640. Epub 2019 Nov 27.

Department of Chemistry , The Pennsylvania State University , University Park , Pennsylvania 16802 , United States.

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http://dx.doi.org/10.1021/acs.biomac.9b01354DOI Listing
February 2020

Polyanion-Assisted Ribozyme Catalysis Inside Complex Coacervates.

ACS Chem Biol 2019 06 7;14(6):1243-1248. Epub 2019 Jun 7.

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http://dx.doi.org/10.1021/acschembio.9b00205DOI Listing
June 2019

Lipid Vesicle-Coated Complex Coacervates.

Langmuir 2019 06 24;35(24):7830-7840. Epub 2019 May 24.

Department of Chemistry , Pennsylvania State University , University Park , Pennsylvania 16802 , United States.

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http://dx.doi.org/10.1021/acs.langmuir.9b00213DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7276091PMC
June 2019

Liquid-liquid phase separation in artificial cells.

Interface Focus 2018 Oct 17;8(5):20180032. Epub 2018 Aug 17.

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1098/rsfs.2018.0032DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6227770PMC
October 2018

Controlling Disorder by Electric-Field-Directed Reconfiguration of Nanowires To Tune Random Lasing.

ACS Nano 2018 Jul 5;12(7):7343-7351. Epub 2018 Jul 5.

CREOL, The College of Optics & Photonics , University of Central Florida , Orlando , Florida 32816 , United States.

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http://dx.doi.org/10.1021/acsnano.8b03829DOI Listing
July 2018

Physical Principles and Extant Biology Reveal Roles for RNA-Containing Membraneless Compartments in Origins of Life Chemistry.

Biochemistry 2018 05 21;57(17):2509-2519. Epub 2018 Mar 21.

Department of Chemistry , Pennsylvania State University , University Park , Pennsylvania 16802 , United States.

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http://dx.doi.org/10.1021/acs.biochem.8b00081DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7276092PMC
May 2018

Reconfigurable Positioning of Vertically-Oriented Nanowires Around Topographical Features in an AC Electric Field.

Langmuir 2017 10 3;33(41):10898-10906. Epub 2017 Oct 3.

Virginia Tech , Blacksburg, Virginia 24060, United States.

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http://dx.doi.org/10.1021/acs.langmuir.7b02163DOI Listing
October 2017

Cooperative Interactions in the Hammerhead Ribozyme Drive pK Shifting of G12 and Its Stacked Base C17.

Biochemistry 2017 05 9;56(20):2537-2548. Epub 2017 May 9.

Department of Chemistry, Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/acs.biochem.7b00174DOI Listing
May 2017

Encapsulation of a compartmentalized cytoplasm mimic within a lipid membrane by microfluidics.

Chem Commun (Camb) 2017 Apr;53(35):4775-4778

Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), 28040, Madrid, Spain.

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http://dx.doi.org/10.1039/c7cc01289fDOI Listing
April 2017

Microenvironments created by liquid-liquid phase transition control the dynamic distribution of bacterial division FtsZ protein.

Sci Rep 2016 10 11;6:35140. Epub 2016 Oct 11.

Centro de Investigaciones Biológicas, Consejo Superior de Investigaciones Científicas (CSIC), 28040, Madrid, Spain.

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http://dx.doi.org/10.1038/srep35140DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5057132PMC
October 2016

RNA-Based Coacervates as a Model for Membraneless Organelles: Formation, Properties, and Interfacial Liposome Assembly.

Langmuir 2016 10 21;32(39):10042-10053. Epub 2016 Sep 21.

Department of Chemistry, Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/acs.langmuir.6b02499DOI Listing
October 2016

Experimental models for dynamic compartmentalization of biomolecules in liquid organelles: Reversible formation and partitioning in aqueous biphasic systems.

Adv Colloid Interface Sci 2017 Jan 1;239:75-87. Epub 2016 Jul 1.

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA. Electronic address:

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http://dx.doi.org/10.1016/j.cis.2016.06.011DOI Listing
January 2017

Polyamine/Nucleotide Coacervates Provide Strong Compartmentalization of Mg²⁺, Nucleotides, and RNA.

Langmuir 2016 Mar 16;32(8):2041-9. Epub 2016 Feb 16.

Department of Chemistry, ‡Center for RNA Molecular Biology, and §Department of Biochemistry and Molecular Biology, Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/acs.langmuir.5b04462DOI Listing
March 2016

Phosphorylation-mediated RNA/peptide complex coacervation as a model for intracellular liquid organelles.

Nat Chem 2016 Feb 21;8(2):129-37. Epub 2015 Dec 21.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvannia 16802, USA.

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http://dx.doi.org/10.1038/nchem.2414DOI Listing
February 2016

Colocalization and Sequential Enzyme Activity in Aqueous Biphasic Systems: Experiments and Modeling.

Biophys J 2015 Nov;109(10):2182-94

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania. Electronic address:

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http://dx.doi.org/10.1016/j.bpj.2015.09.020DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4656855PMC
November 2015

Aqueous Emulsion Droplets Stabilized by Lipid Vesicles as Microcompartments for Biomimetic Mineralization.

Langmuir 2015 Oct 8;31(41):11329-38. Epub 2015 Oct 8.

Department of Chemistry, and ‡Materials Research Institute, The Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/acs.langmuir.5b02754DOI Listing
October 2015

Formation and frequency response of two-dimensional nanowire lattices in an applied electric field.

Langmuir 2015 Jun 21;31(21):5779-86. Epub 2015 May 21.

†Departments of Chemistry and ‡Electrical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/acs.langmuir.5b01633DOI Listing
June 2015

Interactions of macromolecular crowding agents and cosolutes with small-molecule substrates: effect on horseradish peroxidase activity with two different substrates.

J Phys Chem B 2014 Sep 26;118(36):10624-32. Epub 2014 Aug 26.

Department of Chemistry, The Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/jp506594fDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4161143PMC
September 2014

Bioreactor droplets from liposome-stabilized all-aqueous emulsions.

Nat Commun 2014 Aug 20;5:4670. Epub 2014 Aug 20.

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1038/ncomms5670DOI Listing
August 2014

Multiphase water-in-oil emulsion droplets for cell-free transcription-translation.

Langmuir 2014 May 12;30(20):5695-9. Epub 2014 May 12.

CIBIO, University of Trento , via delle Regole, 101, 38123 Mattarello, Italy.

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http://dx.doi.org/10.1021/la404146gDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4038361PMC
May 2014

Coupled enzyme reactions performed in heterogeneous reaction media: experiments and modeling for glucose oxidase and horseradish peroxidase in a PEG/citrate aqueous two-phase system.

J Phys Chem B 2014 Mar 21;118(9):2506-17. Epub 2014 Feb 21.

Department of Chemistry and ‡Department of Chemical Engineering, The Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/jp501126vDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3983363PMC
March 2014

Phase separation as a possible means of nuclear compartmentalization.

Int Rev Cell Mol Biol 2014 ;307:109-49

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania, USA. Electronic address:

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http://dx.doi.org/10.1016/B978-0-12-800046-5.00005-9DOI Listing
August 2014

Asymmetric van der Waals forces drive orientation of compositionally anisotropic nanocylinders within smectic arrays: experiment and simulation.

ACS Nano 2014 Jan 11;8(1):657-70. Epub 2013 Dec 11.

Departments of †Chemical Engineering, ‡Chemistry, and §Physics, The Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://pubs.acs.org/doi/10.1021/nn405312x
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http://dx.doi.org/10.1021/nn405312xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3926316PMC
January 2014

Biorecognition by DNA oligonucleotides after exposure to photoresists and resist removers.

Langmuir 2013 Sep 29;29(36):11535-45. Epub 2013 Aug 29.

Department of Chemistry, Pennsylvania State University , University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/la402362uDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3832179PMC
September 2013

Enzyme-gold nanoparticle bioconjugates: quantification of particle stoichiometry and enzyme specific activity.

Methods Mol Biol 2013 ;1026:163-74

Pennsylvania State University, University Park, PA, USA.

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http://dx.doi.org/10.1007/978-1-62703-468-5_13DOI Listing
January 2014

Inorganic protocells: gated access to microreactors.

Nat Chem 2013 Jun;5(6):449-51

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http://dx.doi.org/10.1038/nchem.1657DOI Listing
June 2013

Biocatalyzed mineralization in an aqueous two-phase system: effect of background polymers and enzyme partitioning.

J Mater Chem B 2013 Apr 8;1(13):1794-1803. Epub 2013 Feb 8.

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1039/c3tb00550jDOI Listing
April 2013

Self-assembly of segmented anisotropic particles: tuning compositional anisotropy to form vertical or horizontal arrays.

ACS Nano 2013 Jan 20;7(1):825-33. Epub 2012 Dec 20.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/nn305394sDOI Listing
January 2013

RNA catalysis through compartmentalization.

Nat Chem 2012 Nov 14;4(11):941-6. Epub 2012 Oct 14.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://www.nature.com/articles/nchem.1466
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http://dx.doi.org/10.1038/nchem.1466DOI Listing
November 2012

Aqueous phase separation as a possible route to compartmentalization of biological molecules.

Acc Chem Res 2012 Dec 14;45(12):2114-24. Epub 2012 Feb 14.

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/ar200294yDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3525015PMC
December 2012

Deterministic assembly of functional nanostructures using nonuniform electric fields.

Annu Rev Phys Chem 2012 10;63:241-63. Epub 2012 Jan 10.

Department of Chemistry, Pennsylvania State University, University Park, 16802, USA.

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http://dx.doi.org/10.1146/annurev-physchem-032210-103346DOI Listing
July 2012

Complete budding and asymmetric division of primitive model cells to produce daughter vesicles with different interior and membrane compositions.

J Am Chem Soc 2011 Jun 26;133(24):9545-55. Epub 2011 May 26.

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/ja202406vDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3115689PMC
June 2011

Vertical arrays of anisotropic particles by gravity-driven self-assembly.

Small 2011 Mar 18;7(6):781-7. Epub 2011 Feb 18.

104 Chemistry Building, University Park, PA, 16802, USA.

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http://dx.doi.org/10.1002/smll.201002233DOI Listing
March 2011

Enzyme:nanoparticle bioconjugates with two sequential enzymes: stoichiometry and activity of malate dehydrogenase and citrate synthase on Au nanoparticles.

Langmuir 2010 Dec 29;26(24):18992-9000. Epub 2010 Nov 29.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/la1040882DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3012446PMC
December 2010

Hybridization efficiency of molecular beacons bound to gold nanowires: effect of surface coverage and target length.

Langmuir 2010 Dec 1;26(23):18273-80. Epub 2010 Nov 1.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, United States.

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http://dx.doi.org/10.1021/la1031703DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2994276PMC
December 2010

Encoded anisotropic particles for multiplexed bioanalysis.

Wiley Interdiscip Rev Nanomed Nanobiotechnol 2010 Nov-Dec;2(6):578-600

Department of Chemistry, The Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1002/wnan.96DOI Listing
January 2011

Organically modified silicas on metal nanowires.

Langmuir 2010 Sep;26(18):14861-70

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la102070cDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2938830PMC
September 2010

Polymeric crowding agents improve passive biomacromolecule encapsulation in lipid vesicles.

Langmuir 2010 Aug;26(16):13195-200

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la101903rDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2919175PMC
August 2010

Assembly of gold nanowires by sedimentation from suspension: Experiments and simulation.

J Phys Chem C Nanomater Interfaces 2010 Apr;114(16):7346-7355

Departments of Chemical Engineering, Chemistry, and Physics, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/jp909251vDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2882699PMC
April 2010

Microcompartmentation in artificial cells: pH-induced conformational changes alter protein localization.

Langmuir 2010 Apr;26(8):5697-705

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la903800eDOI Listing
April 2010

Curvature effects in DNA:Au nanoparticle conjugates.

ACS Nano 2009 Feb;3(2):256-60

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/nn9000726DOI Listing
February 2009

Programmed assembly of DNA-coated nanowire devices.

Science 2009 Jan;323(5912):352

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1126/science.1165921DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2837912PMC
January 2009

Electrofluidic Positioning of Biofunctionalized Nanowires.

Mater Res Soc Symp Proc 2009 ;1144:191-196

Department of Chemistry, The Pennsylvania State University, University Park, PA 16802.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2838247PMC
http://dx.doi.org/10.1557/proc-1144-ll21-11DOI Listing
January 2009

Macromolecular crowding improves polymer encapsulation within giant lipid vesicles.

Langmuir 2008 Dec;24(23):13565-71

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la8028403DOI Listing
December 2008

Nanowire sensors for multiplexed detection of biomolecules.

Curr Opin Chem Biol 2008 Oct;12(5):522-8

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1016/j.cbpa.2008.08.027DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2676934PMC
October 2008

Molecular beacon-metal nanowire interface: effect of probe sequence and surface coverage on sensor performance.

Langmuir 2008 Aug 15;24(16):9162-71. Epub 2008 Jul 15.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la703854xDOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2677025PMC
August 2008

Positioning lipid membrane domains in giant vesicles by micro-organization of aqueous cytoplasm mimic.

J Am Chem Soc 2008 Jun 15;130(23):7400-6. Epub 2008 May 15.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/ja710746dDOI Listing
June 2008

Budding and asymmetric protein microcompartmentation in giant vesicles containing two aqueous phases.

J Am Chem Soc 2008 Jan 20;130(2):756-62. Epub 2007 Dec 20.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/ja077439cDOI Listing
January 2008

Metallic barcodes for multiplexed bioassays.

Nanomedicine (Lond) 2007 Oct;2(5):695-710

The Pennsylvania State University, Department of Chemistry, University Park, PA 16802, USA.

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http://dx.doi.org/10.2217/17435889.2.5.695DOI Listing
October 2007

Template-grown metal nanowires as resonators: performance and characterization of dissipative and elastic properties.

Nano Lett 2007 Nov 30;7(11):3281-4. Epub 2007 Oct 30.

Department of Electrical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/nl071416eDOI Listing
November 2007

Silica-coated, Au/Ag striped nanowires for bioanalysis.

Langmuir 2007 Oct 19;23(22):11334-41. Epub 2007 Sep 19.

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la7019846DOI Listing
October 2007

Polymer encapsulation within giant lipid vesicles.

Langmuir 2007 Jun 22;23(13):7148-54. Epub 2007 May 22.

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1021/la063687vDOI Listing
June 2007

Coupling molecular beacons to barcoded metal nanowires for multiplexed, sealed chamber DNA bioassays.

J Am Chem Soc 2006 Dec;128(51):16892-903

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1021/ja0658261DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2849162PMC
December 2006

Distance-dependent emission from dye-labeled oligonucleotides on striped Au/Ag nanowires: effect of secondary structure and hybridization efficiency.

J Am Chem Soc 2006 Oct;128(40):13243-54

Department of Chemistry, The Pennsylvania State University, University Park, 16802, USA.

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http://dx.doi.org/10.1021/ja0637200DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2837913PMC
October 2006

Nanoparticle conjugation increases protein partitioning in aqueous two-phase systems.

Anal Chem 2006 Jan;78(2):379-86

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/ac051882tDOI Listing
January 2006

Temperature-programmed assembly of DNA:Au nanoparticle bioconjugates.

Nano Lett 2006 Jan;6(1):16-23

Department of Chemistry, The Pennsylvania State University, University Park, 16802, USA.

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http://dx.doi.org/10.1021/nl0508873DOI Listing
January 2006

Batch preparation of linear Au and Ag nanoparticle chains via wet chemistry.

Nano Lett 2005 Sep;5(9):1779-83

Department of Chemistry, Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/nl051370uDOI Listing
September 2005

Partitioning and assembly of metal particles and their bioconjugates in aqueous two-phase systems.

Langmuir 2005 Aug;21(18):8478-86

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la051220zDOI Listing
August 2005

Dynamic microcompartmentation in synthetic cells.

Proc Natl Acad Sci U S A 2005 Apr 23;102(17):5920-5. Epub 2005 Mar 23.

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1073/pnas.0409333102DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1087917PMC
April 2005

Nanoscience enables ultrasensitive detection of Alzheimer's biomarker.

Proc Natl Acad Sci U S A 2005 Feb 9;102(7):2263-4. Epub 2005 Feb 9.

Department of Chemistry, Pennsylvania State University, University Park, PA 16802, USA.

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http://dx.doi.org/10.1073/pnas.0500024102DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC549005PMC
February 2005

Effect of macromolecular crowding on DNA:Au nanoparticle bioconjugate assembly.

Langmuir 2004 Nov;20(23):10246-51

Department of Chemistry, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/la048434lDOI Listing
November 2004

Aqueous phase separation in giant vesicles.

J Am Chem Soc 2002 Nov;124(45):13374-5

Department of Chemistry, The Pennsylvania State University, University Park 16802, USA.

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http://dx.doi.org/10.1021/ja028157+DOI Listing
November 2002

Hybridization and enzymatic extension of au nanoparticle-bound oligonucleotides.

J Am Chem Soc 2002 Jun;124(25):7314-23

Department of Chemistry and Life Sciences Consortium, The Pennsylvania State University, University Park, Pennsylvania 16802, USA.

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http://dx.doi.org/10.1021/ja0177915DOI Listing
June 2002