Catherine J Murphy

Summary

Affiliation: University of South Carolina
Country: USA

Publications

  1. ncbi request reprint Gold nanoparticles are taken up by human cells but do not cause acute cytotoxicity
    Ellen E Connor
    Department of Basic Pharmaceutical Sciences, University of South Carolina, Columbia, SC 29208, USA
    Small 1:325-7. 2005
  2. ncbi request reprint Anisotropic metal nanoparticles: Synthesis, assembly, and optical applications
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, USA
    J Phys Chem B 109:13857-70. 2005
  3. ncbi request reprint Optical sensing with quantum dots
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia 29208, USA
    Anal Chem 74:520A-526A. 2002
  4. ncbi request reprint Spatial control of chemistry on the inside and outside of inorganic nanocrystals
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    ACS Nano 3:770-4. 2009
  5. pmc Ultrafast dynamics in DNA: "fraying" at the end of the helix
    Daniele Andreatta
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    J Am Chem Soc 128:6885-92. 2006
  6. pmc Effect of lesions on the dynamics of DNA on the picosecond and nanosecond timescales using a polarity sensitive probe
    Mark M Somoza
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    Nucleic Acids Res 32:2494-507. 2004
  7. ncbi request reprint Shape-dependent plasmon-resonant gold nanoparticles
    Christopher J Orendorff
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    Small 2:636-9. 2006
  8. doi request reprint Gold nanoparticles in biology: beyond toxicity to cellular imaging
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Acc Chem Res 41:1721-30. 2008
  9. doi request reprint Gold nanorods as nanoadmicelles: 1-naphthol partitioning into a nanorod-bound surfactant bilayer
    Alaaldin M Alkilany
    Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, SC 29208, USA
    Langmuir 24:10235-9. 2008
  10. pmc Polyelectrolyte-coated gold nanorods and their interactions with type I collagen
    Christopher G Wilson
    Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC 29209, USA
    Biomaterials 30:5639-48. 2009

Collaborators

Detail Information

Publications33

  1. ncbi request reprint Gold nanoparticles are taken up by human cells but do not cause acute cytotoxicity
    Ellen E Connor
    Department of Basic Pharmaceutical Sciences, University of South Carolina, Columbia, SC 29208, USA
    Small 1:325-7. 2005
  2. ncbi request reprint Anisotropic metal nanoparticles: Synthesis, assembly, and optical applications
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, South Carolina 29208, USA
    J Phys Chem B 109:13857-70. 2005
    ..Short nanorods appear to be more chemically reactive than long nanorods. Finally, optical applications in sensing and imaging, which take advantage of the visible light absorption and scattering properties of the nanorods, are discussed...
  3. ncbi request reprint Optical sensing with quantum dots
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia 29208, USA
    Anal Chem 74:520A-526A. 2002
  4. ncbi request reprint Spatial control of chemistry on the inside and outside of inorganic nanocrystals
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    ACS Nano 3:770-4. 2009
    ..This Perspective provides a snapshot of the major challenges in controlling the positions of atoms and molecules both in the cores and on the surfaces of inorganic nanocrystals...
  5. pmc Ultrafast dynamics in DNA: "fraying" at the end of the helix
    Daniele Andreatta
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    J Am Chem Soc 128:6885-92. 2006
    ..In addition, a new relaxation with a well-defined relaxation time of 5 ps appears. This process is assigned to the rapid component of "fraying" at the end of the helix...
  6. pmc Effect of lesions on the dynamics of DNA on the picosecond and nanosecond timescales using a polarity sensitive probe
    Mark M Somoza
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    Nucleic Acids Res 32:2494-507. 2004
    ....
  7. ncbi request reprint Shape-dependent plasmon-resonant gold nanoparticles
    Christopher J Orendorff
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    Small 2:636-9. 2006
  8. doi request reprint Gold nanoparticles in biology: beyond toxicity to cellular imaging
    Catherine J Murphy
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Acc Chem Res 41:1721-30. 2008
    ..The local mechanical environment experienced by cells is part of a complex feedback loop that influences cell metabolism, gene expression, and migration...
  9. doi request reprint Gold nanorods as nanoadmicelles: 1-naphthol partitioning into a nanorod-bound surfactant bilayer
    Alaaldin M Alkilany
    Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, SC 29208, USA
    Langmuir 24:10235-9. 2008
    ..The maximum number of bound 1-naphthol molecules is 14.6 +/- 2.2 x 10(3) molecules per gold nanorod, with an equilibrium binding constant of 1.97 +/- 0.79 x 10(4) M(-1) at room temperature...
  10. pmc Polyelectrolyte-coated gold nanorods and their interactions with type I collagen
    Christopher G Wilson
    Department of Cell Biology and Anatomy, University of South Carolina School of Medicine, Columbia, SC 29209, USA
    Biomaterials 30:5639-48. 2009
    ..These results demonstrate the significance of nanoparticle-ECM interactions in determining the bioactivity of nanoparticles...
  11. doi request reprint Nanoscale structure and dynamics of DNA
    Mark A Berg
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    Phys Chem Chem Phys 10:1229-42. 2008
    ....
  12. ncbi request reprint Aspect ratio dependence on surface enhanced Raman scattering using silver and gold nanorod substrates
    Christopher J Orendorff
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC 29208, USA
    Phys Chem Chem Phys 8:165-70. 2006
    ..Results suggest that enhancement factors are a factor of 10-10(2) greater for substrates that have plasmon band overlap with the excitation source than for substrates whose plasmon bands do not...
  13. doi request reprint Age-dependent expression of collagen receptors and deformation of type I collagen substrates by rat cardiac fibroblasts
    Christopher G Wilson
    University of South Carolina School of Medicine, Department of Cell Biology and Anatomy, 6439 Garners Ferry Road, Columbia, SC 29209, USA
    Microsc Microanal 17:555-62. 2011
    ..Consistent with recent work demonstrating age-dependent interactions with myocytes, our results indicate that interactions between cardiac fibroblasts and the extracellular matrix change with age...
  14. ncbi request reprint Power-law solvation dynamics in DNA over six decades in time
    Daniele Andreatta
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, 29208, USA
    J Am Chem Soc 127:7270-1. 2005
    ..The various subcomponents may be so strongly coupled that their motions cannot be treated separately...
  15. pmc The effect of gold nanorods on cell-mediated collagen remodeling
    Patrick N Sisco
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Nano Lett 8:3409-12. 2008
    ..These data show that nanomaterials can modulate cell-mediated matrix remodeling and suggest that the targeted delivery of nanomaterials can be applied for antifibrotic therapies...
  16. ncbi request reprint Targeted photothermal lysis of the pathogenic bacteria, Pseudomonas aeruginosa, with gold nanorods
    R Sean Norman
    Department of Environmental Health Sciences, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina 29208, USA
    Nano Lett 8:302-6. 2008
    ..We find that, following nanorod attachment to the bacterial cell surface, exposure to near-infrared radiation results in a significant reduction in bacterial cell viability...
  17. ncbi request reprint Role of monovalent counterions in the ultrafast dynamics of DNA
    Sobhan Sen
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    J Phys Chem B 110:13248-55. 2006
    ..The lack of change in the spectral shape of the emission shows that neither the broadly distributed power-law relaxation nor the extra nanosecond dynamics are due to heterogeneity in the relaxation rates of different helices...
  18. ncbi request reprint Sodium-ion binding to DNA: detection by ultrafast time-resolved stokes-shift spectroscopy
    Latha A Gearheart
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    J Am Chem Soc 125:11812-3. 2003
    ..Our interpretation is that a subpopulation of helices have sodium cations bound in a fashion that slows the normal dynamics...
  19. doi request reprint Gold nanoparticles with a polymerizable surfactant bilayer: synthesis, polymerization, and stability evaluation
    Alaaldin M Alkilany
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Langmuir 25:13874-9. 2009
    ....
  20. ncbi request reprint Azide-derivatized gold nanorods: functional materials for "click" chemistry
    Anand Gole
    Department of Chemistry and Biochemistry and The W M Keck Open Laboratory for Bionanoparticle Technology, Discovery and Development, University of South Carolina, Columbia, SC 29208, USA
    Langmuir 24:266-72. 2008
    ..This general and simple approach is easy, specific with higher yields, environmentally benign, and applicable to a wide range of analytes and biomolecules...
  21. doi request reprint Spheres vs. rods: the shape of gold nanoparticles influences aggregation and deposition behavior
    A R M Nabiul Afrooz
    Department of Civil and Environmental Engineering, University of South Carolina, Columbia, SC 29208, USA
    Chemosphere 91:93-8. 2013
    ..The results from this study showed that the shape of nanomaterials can influence interfacial properties and result in unique aggregation and deposition behavior under typical aquatic conditions...
  22. doi request reprint Uptake, distribution and toxicity of gold nanoparticles in tobacco (Nicotiana xanthi) seedlings
    Tara Sabo-Attwood
    Department of Environmental Health Sciences and NanoCenter, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina, USA
    Nanotoxicology 6:353-60. 2012
    ..5 nm AuNPs. Overall, results of this work show the potential for AuNPs to enter plants through size-dependent mechanisms, translocate to cells and tissues and cause biotoxicity...
  23. ncbi request reprint Optical detection of thymine dinucleoside monophosphate and its cis-syn photodimer by inorganic nanoparticles
    K K Caswell
    Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, Columbia, South Carolina 29208, USA
    J Fluoresc 14:407-15. 2004
    ..Such changes in molecular properties can be detected by differential quenching of CdS nanoparticle luminescence and by surface-enhanced Raman scattering spectroscopy on metal nanoparticle substrates...
  24. doi request reprint The golden age: gold nanoparticles for biomedicine
    Erik C Dreaden
    Laser Dynamics Laboratory, Department of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332 0400, USA
    Chem Soc Rev 41:2740-79. 2012
    ....
  25. ncbi request reprint Biotin-streptavidin-induced aggregation of gold nanorods: tuning rod-rod orientation
    Anand Gole
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, 29208, USA
    Langmuir 21:10756-62. 2005
    ..The gold nanorods were characterized at each stage by UV-vis spectroscopy, light scattering, and transmission electron microscopy (TEM) measurements...
  26. ncbi request reprint Preferential end-to-end assembly of gold nanorods by biotin-streptavidin connectors
    K K Caswell
    Department of Chemistry and Biochemistry, University of South Carolina, 631 Sumter Street, Columbia, SC 29208, USA
    J Am Chem Soc 125:13914-5. 2003
    ..Here we report that gold nanorods, aspect ratio 18, can be functionalized with a biotin disulfide, and subsequent addition of streptavidin links the rods together in an end-to-end manner much more often than expected...
  27. doi request reprint Transfer of gold nanoparticles from the water column to the estuarine food web
    John L Ferry
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Nat Nanotechnol 4:441-4. 2009
    ..4%. Clams and biofilms accumulated the most nanoparticles on a per mass basis, suggesting that gold nanorods can readily pass from the water column to the marine food web...
  28. ncbi request reprint Surface-coverage dependence of surface-enhanced raman scattering from gold nanocubes on self-assembled monolayers of analyte
    Patrick N Sisco
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    J Phys Chem A 113:3973-8. 2009
    ..SERS intensities increase linearly with increasing nanocube coverage up to a factor of 7 in the best case studied here, with enhancement factors of up to 10(13)...
  29. pmc Using gold nanorods to probe cell-induced collagen deformation
    John W Stone
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Nano Lett 7:116-9. 2007
    ..We find that measurable tension and compression exist in the intercellular matrix at the length scale of micrometers, as the cells assess, adapt, and rearrange their environment...
  30. ncbi request reprint Complex local dynamics in DNA on the picosecond and nanosecond time scales
    Eric B Brauns
    Department of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, USA
    Phys Rev Lett 88:158101. 2002
    ..Sequence dependence of the localized dynamics of DNA does not appear within this time range. We infer that 30%-50% of the relaxation is faster than 40 ps, has a nonlogarithmic decay and has a sequence dependent amplitude...
  31. ncbi request reprint Influence of the nature of quantum dot surface cations on interactions with DNA
    Rahina Mahtab
    Department of Biological and Physical Sciences, South Carolina State University, Orangeburg, SC 29117, USA
    J Inorg Biochem 101:559-64. 2007
    ..In this paper, we investigate the effect that various monovalent and divalent cations have on the binding of 4.5 nm CdS quantum dots to oligonucleotides that have sequence-directed intrinsic structure...
  32. ncbi request reprint Deposition of CTAB-terminated nanorods on bacteria to form highly conducting hybrid systems
    Vikas Berry
    University of Nebraska, Lincoln, Nebraska 68588 0643, USA
    J Am Chem Soc 127:17600-1. 2005
    ....
  33. ncbi request reprint Probing DNA structure with nanoparticles
    Rahina Mahtab
    Department of Physical Sciences, South Carolina State University, Orangeburg, USA
    Methods Mol Biol 303:179-90. 2005
    ..Structural polymorphism in DNA may serve as a biological signal in vivo, highlighting the need for recognition of DNA structure in addition to DNA sequence in biotechnology assays...