Vicki L Colvin

Summary

Affiliation: Rice University
Country: USA

Publications

  1. pmc Nanoparticles as catalysts for protein fibrillation
    Vicki L Colvin
    Department of Chemistry, Center for Biological and Environmental Nanotechnology, MS 60, Rice University, Houston, TX 77025, USA
    Proc Natl Acad Sci U S A 104:8679-80. 2007
  2. ncbi request reprint The potential environmental impact of engineered nanomaterials
    Vicki L Colvin
    Department of Chemistry, Center for Biological and Environmental Nanotechnology, MS 60 6100 Main Street, Rice University, Houston, Texas 77005, USA
    Nat Biotechnol 21:1166-70. 2003
  3. doi request reprint Size-dependent sedimentation properties of nanocrystals
    Jennifer A Jamison
    Department of Chemistry, MS 60, 6100 Main Street, Rice University, Houston, Texas 77005, USA
    ACS Nano 2:311-9. 2008
  4. ncbi request reprint Forming biocompatible and nonaggregated nanocrystals in water using amphiphilic polymers
    William W Yu
    Department of Chemistry, Rice University, Houston, Texas 77005, USA
    J Am Chem Soc 129:2871-9. 2007
  5. ncbi request reprint Low temperature synthesis of ZnS and CdZnS shells on CdSe quantum dots
    Huiguang Zhu
    Department of Chemistry, Rice University, Houston, TX, USA
    Nanotechnology 21:255604. 2010
  6. ncbi request reprint Correlating nanoscale titania structure with toxicity: a cytotoxicity and inflammatory response study with human dermal fibroblasts and human lung epithelial cells
    Christie M Sayes
    Department of Chemistry, Rice University, Houston, TX, USA
    Toxicol Sci 92:174-85. 2006
  7. ncbi request reprint Trophic transfer of amphiphilic polymer coated CdSe/ZnS quantum dots to Danio rerio
    Nastassja A Lewinski
    Department of Bioengineering, Rice University, MS 142, P O Box 1892, Houston, TX 77251, USA
    Nanoscale 3:3080-3. 2011
  8. doi request reprint A multiplexed separation of iron oxide nanocrystals using variable magnetic fields
    John T Mayo
    Rice University, Chemistry, 6500 Main Street, Houston, Texas 77030, United States
    Nanoscale 3:4560-3. 2011
  9. doi request reprint Molten-droplet synthesis of composite CdSe hollow nanoparticles
    Sravani Gullapalli
    Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
    Nanotechnology 23:495605. 2012
  10. pmc Toxicity of quantum dots and cadmium salt to Caenorhabditis elegans after multigenerational exposure
    Elizabeth Q Contreras
    Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, USA
    Environ Sci Technol 47:1148-54. 2013

Collaborators

Detail Information

Publications46

  1. pmc Nanoparticles as catalysts for protein fibrillation
    Vicki L Colvin
    Department of Chemistry, Center for Biological and Environmental Nanotechnology, MS 60, Rice University, Houston, TX 77025, USA
    Proc Natl Acad Sci U S A 104:8679-80. 2007
  2. ncbi request reprint The potential environmental impact of engineered nanomaterials
    Vicki L Colvin
    Department of Chemistry, Center for Biological and Environmental Nanotechnology, MS 60 6100 Main Street, Rice University, Houston, Texas 77005, USA
    Nat Biotechnol 21:1166-70. 2003
    ..To date, few studies have investigated the toxicological and environmental effects of direct and indirect exposure to nanomaterials and no clear guidelines exist to quantify these effects...
  3. doi request reprint Size-dependent sedimentation properties of nanocrystals
    Jennifer A Jamison
    Department of Chemistry, MS 60, 6100 Main Street, Rice University, Houston, Texas 77005, USA
    ACS Nano 2:311-9. 2008
    ..Such data are useful in choosing the speeds for a centrifugation process and are particularly important when bimodal nanocrystal distributions are present...
  4. ncbi request reprint Forming biocompatible and nonaggregated nanocrystals in water using amphiphilic polymers
    William W Yu
    Department of Chemistry, Rice University, Houston, Texas 77005, USA
    J Am Chem Soc 129:2871-9. 2007
    ..In the particular case of semiconductor nanocrystals (e.g., quantum dots), the materials in water have the same optical spectra as well as quantum yield as those formed initially in organic solutions...
  5. ncbi request reprint Low temperature synthesis of ZnS and CdZnS shells on CdSe quantum dots
    Huiguang Zhu
    Department of Chemistry, Rice University, Houston, TX, USA
    Nanotechnology 21:255604. 2010
    ..These low temperature methods for shell growth are readily amenable to scale-up and can provide a route for economical and less energy intensive production of quantum dots...
  6. ncbi request reprint Correlating nanoscale titania structure with toxicity: a cytotoxicity and inflammatory response study with human dermal fibroblasts and human lung epithelial cells
    Christie M Sayes
    Department of Chemistry, Rice University, Houston, TX, USA
    Toxicol Sci 92:174-85. 2006
    ..The result highlights the important role that ex vivo measures of RS production can play in developing screens for cytotoxicity...
  7. ncbi request reprint Trophic transfer of amphiphilic polymer coated CdSe/ZnS quantum dots to Danio rerio
    Nastassja A Lewinski
    Department of Bioengineering, Rice University, MS 142, P O Box 1892, Houston, TX 77251, USA
    Nanoscale 3:3080-3. 2011
    ..004 respectively). The assimilation efficiency was 8% and 4% for adult and juvenile zebrafish respectively. This study is the first to examine the potential food chain transfer and biomagnification of QDs from zooplankton to zebrafish...
  8. doi request reprint A multiplexed separation of iron oxide nanocrystals using variable magnetic fields
    John T Mayo
    Rice University, Chemistry, 6500 Main Street, Houston, Texas 77030, United States
    Nanoscale 3:4560-3. 2011
    ..By varying the magnetic field strength, four populations of magnetic materials were isolated from a mixture. This separation is most effective for nanocrystals with diameters between 4 and 16 nm...
  9. doi request reprint Molten-droplet synthesis of composite CdSe hollow nanoparticles
    Sravani Gullapalli
    Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
    Nanotechnology 23:495605. 2012
    ..This scalable synthesis method presents opportunities to generate hollow nanoparticles with increased structural and compositional variety...
  10. pmc Toxicity of quantum dots and cadmium salt to Caenorhabditis elegans after multigenerational exposure
    Elizabeth Q Contreras
    Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, USA
    Environ Sci Technol 47:1148-54. 2013
    ..At the highest concentrations, however, biological effects found for the first generation were commonly similar in magnitude to those found in future generations...
  11. pmc Near-infrared-resonant gold/gold sulfide nanoparticles as a photothermal cancer therapeutic agent
    Andre M Gobin
    Department of Bioengineering, Rice University MS 142, 6100 S Main St, Houston, TX 77251, USA
    Small 6:745-52. 2010
    ..Furthermore, enhanced circulation and biodistribution is observed in vivo. This class of NIR-absorbing nanoparticles has the potential to improve upon photothermal tumor ablation for cancer therapy...
  12. doi request reprint Quantification of water solubilized CdSe/ZnS quantum dots in Daphnia magna
    Nastassja A Lewinski
    Department of Bioengineering, Rice University, Houston, Texas, USA
    Environ Sci Technol 44:1841-6. 2010
    ..Fluorescence microscopy and ICP-MS measurements revealed differences in uptake after 24 h of exposure which were attributed to particle surface coating and stability...
  13. doi request reprint Pollution magnet: nano-magnetite for arsenic removal from drinking water
    Cafer T Yavuz
    Department of Chemistry, Rice University, Houston, TX 77005, USA
    Environ Geochem Health 32:327-34. 2010
    ..We suggest that the transfer of this knowledge is best achieved using an open source concept...
  14. ncbi request reprint Water-soluble quantum dots for biomedical applications
    William W Yu
    Department of Chemistry, Rice University, Houston, TX 77005, USA
    Biochem Biophys Res Commun 348:781-6. 2006
    ..Here, we discuss the recent development in making water-soluble quantum dots and related cytotoxicity for biomedical applications...
  15. doi request reprint Phytostimulation of poplars and Arabidopsis exposed to silver nanoparticles and Ag⁺ at sublethal concentrations
    Jing Wang
    Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
    Environ Sci Technol 47:5442-9. 2013
    ..g., 1 mg/L of 5 nm AgNPs for poplar). Overall, the observed phytostimulatory effects preclude generalizations about the phytotoxicity of AgNPs and encourage further mechanistic research...
  16. doi request reprint Measuring the grafting density of nanoparticles in solution by analytical ultracentrifugation and total organic carbon analysis
    Denise N Benoit
    Department of Chemistry, Rice University, Houston, Texas 77005, United States
    Anal Chem 84:9238-45. 2012
    ..Using these tools, we examine the particle core diameter, polymer chain length, and polymer solution concentration dependence of nanoparticle grafting densities in a gold nanoparticle-poly(ethylene glycol) conjugate system...
  17. doi request reprint Relative susceptibility and transcriptional response of nitrogen cycling bacteria to quantum dots
    Yu Yang
    Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, United States
    Environ Sci Technol 46:3433-41. 2012
    ....
  18. doi request reprint Negligible particle-specific antibacterial activity of silver nanoparticles
    Zong Ming Xiu
    Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, USA
    Nano Lett 12:4271-5. 2012
    ..Accordingly, antibacterial activity could be controlled (and environmental impacts could be mitigated) by modulating Ag(+) release, possibly through manipulation of oxygen availability, particle size, shape, and/or type of coating...
  19. ncbi request reprint Evaluation of quantum dot cytotoxicity based on intracellular uptake
    Emmanuel Chang
    Rice University, Department of Bioengineering MS 142, PO Box 1892, Houston, TX 77251 1892, USA
    Small 2:1412-7. 2006
  20. ncbi request reprint Solvothermal synthesis and characterization of anatase TiO2 nanocrystals with ultrahigh surface area
    Rajeev K Wahi
    Chemistry Department, MS 60, Center for Biological and Environmental Nanotechnology, Rice University, Houston, TX 77005 1892, USA
    J Colloid Interface Sci 302:530-6. 2006
    ..The physical properties of the titania samples obtained in this study suggest they might be well suited for catalytic applications...
  21. ncbi request reprint DNA binding to protein-gold nanocrystal conjugates
    Michelle K Calabretta
    Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, USA
    Bioconjug Chem 17:1156-61. 2006
    ..Interestingly, the order of component addition is a key factor in producing functional lac repressor conjugates...
  22. doi request reprint Antioxidant properties of cerium oxide nanocrystals as a function of nanocrystal diameter and surface coating
    Seung Soo Lee
    Department of Chemistry, Rice University, Houston, Texas 77005, United States
    ACS Nano 7:9693-703. 2013
    ..These data suggest that organic coatings on cerium oxide nanocrystals do not limit the antioxidant behavior of the nanocrystals, and that their redox cycling behavior can be preserved even when stabilized. ..
  23. doi request reprint Bilayers as phase transfer agents for nanocrystals prepared in nonpolar solvents
    Arjun Prakash
    Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas 77005, USA
    ACS Nano 3:2139-46. 2009
    ..Bilayer-nanocrystal complexes possess many of the same size-dependent features as the original materials, and as such offer new avenues for exploring and exploiting the interface between nanocrystals and biology...
  24. ncbi request reprint Bacterial cell association and antimicrobial activity of a C60 water suspension
    Delina Y Lyon
    Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, USA
    Environ Toxicol Chem 24:2757-62. 2005
    ..5 to 3.0 mg/L, respectively. Media with higher salt contents result in the nano-C60 particles aggregating and falling out of suspension; thus, higher salt solutions reduced or eliminated the antimicrobial properties of nano-C60...
  25. doi request reprint Cellular and transcriptional response of Pseudomonas stutzeri to quantum dots under aerobic and denitrifying conditions
    Yu Yang
    Department of Civil and Environmental Engineering, Rice University, Houston, Texas 77005, USA
    Environ Sci Technol 45:4988-94. 2011
    ..Overall, this work forewarns about unintended potential impacts to denitrification as a result of disposal and incidental releases of QDs, especially those with positively charged coatings (e.g., PEI QDs)...
  26. ncbi request reprint Quantum dot weathering results in microbial toxicity
    Shaily Mahendra
    Department of Civil and Environmental Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, USA
    Environ Sci Technol 42:9424-30. 2008
    ..Thus, biocompatibility and ecotoxicity tests for QDs should consider in vivo and/or in situ transformations to fully characterize the potential risks to environmental health...
  27. ncbi request reprint Characterization of nanocrystalline CdSe by size exclusion chromatography
    Karl M Krueger
    Department of Chemistry, Rice University, MS 60 6100 Main Street, Houston, Texas 77005, USA
    Anal Chem 77:3511-5. 2005
    ..HPSEC can be applied to the general problem of shape separations which we demonstrate with a tetrapod material...
  28. ncbi request reprint Virus crystals as nanocomposite scaffolds
    Joshua C Falkner
    Department of Chemistry, Rice University, 6100 Main Street, Houston, Texas 77005, USA
    J Am Chem Soc 127:5274-5. 2005
    ..To verify the quality of the metal infiltration, SEM-EDX was used to determine the homogeneous distribution of metal across the crystal, and TEM was used to confirm that the metal was confined within the porous structure of the crystal...
  29. doi request reprint Virus inactivation by silver doped titanium dioxide nanoparticles for drinking water treatment
    Michael V Liga
    Department of Civil and Environmental Engineering, Rice University, Houston, TX 77005, USA
    Water Res 45:535-44. 2011
    ..The increased production of hydroxyl free radicals was found to be responsible for the enhanced viral inactivation...
  30. ncbi request reprint Functionalization density dependence of single-walled carbon nanotubes cytotoxicity in vitro
    Christie M Sayes
    Department of Chemistry, Rice University, 1900 Rice Blvd, MS 60, Houston, TX 77005, USA
    Toxicol Lett 161:135-42. 2006
    ..e. the SWNTs in aqueous suspension precipitate out and selectively deposit on the membrane...
  31. doi request reprint A facile fabrication process for polystyrene nanoring arrays
    Zuzanna A Lewicka
    Department of Chemistry, Rice University, Houston, TX 77005, USA
    Nanoscale 5:11071-8. 2013
    ..The nanoring formation mechanism was discussed based on the instrument analyses. ..
  32. ncbi request reprint Applying analytical ultracentrifugation to nanocrystal suspensions
    Jennifer A Jamison
    Department of Chemistry, Rice University, 6100 Main Street, Houston, TX 77005, USA
    Nanotechnology 20:355702. 2009
    ....
  33. ncbi request reprint Protease-activated quantum dot probes
    Emmanuel Chang
    Rice University, Department of Bioengineering MS 142, P O Box 1892, Houston, TX 77251 1892, USA
    Biochem Biophys Res Commun 334:1317-21. 2005
    ..Initial studies observed a 52% rise in luminescence over 47 h of exposure to 0.2 mg/mL collagenase. These probes can be customized for targeted degradation simply by changing the sequence of the peptide linker...
  34. ncbi request reprint Analytical ultracentrifugation for characterizing nanocrystals and their bioconjugates
    Michelle Calabretta
    The Department of Biochemistry and Cell Biology, Rice University, Houston, Texas 77005, USA
    Nano Lett 5:963-7. 2005
    ..AU data reveal saturating protein concentrations for conjugates that correspond to the measured stoichiometry of the complex under these conditions...
  35. doi request reprint Nanorings and nanocrescents formed via shaped nanosphere lithography: a route toward large areas of infrared metamaterials
    Zuzanna A Lewicka
    Department of Chemistry, Rice University, Houston, TX 77005, USA
    Nanotechnology 24:115303. 2013
    ....
  36. ncbi request reprint Closed-edged graphene nanoribbons from large-diameter collapsed nanotubes
    Chenguang Zhang
    Department of Chemistry and Richard E Smalley Institute for Nanoscale Science and Technology, Department of Mechanical Engineering and Materials Science, and Department of Chemical and Biomolecular Engineering, Rice University, 6100 Main Street, Houston, Texas 77005, United States
    ACS Nano 6:6023-32. 2012
    ..0 nm for single- and double-walled carbon nanotubes, respectively. Molecular dynamics simulations predict similar energy equivalence diameters with the use of ε = 54 meV/pair to calculate the carbon-carbon van der Waals interaction...
  37. ncbi request reprint Nano-C60 cytotoxicity is due to lipid peroxidation
    Christie M Sayes
    Department of Chemistry, 6100 Main St MS 60, Rice University, Houston, TX 77005, USA
    Biomaterials 26:7587-95. 2005
    ..With the addition of an antioxidant, L-ascorbic acid, the oxidative damage and resultant toxicity of nano-C60 was completely prevented...
  38. ncbi request reprint Recycling size exclusion chromatography for the analysis and separation of nanocrystalline gold
    Ali M Al-Somali
    Department of Chemistry, Rice University, MS 60 6100 Main Street, Houston, TX 77025, USA
    Anal Chem 76:5903-10. 2004
    ..Transmission electron microscopy of collected fractions reveals that these peaks correspond to distinct populations of gold nanoparticles with narrowly defined sizes...
  39. ncbi request reprint Pulmonary instillation studies with nanoscale TiO2 rods and dots in rats: toxicity is not dependent upon particle size and surface area
    David B Warheit
    DuPont Haskell Laboratory for Health and Environmental Sciences, Newark, Delaware 19714 0050, USA
    Toxicol Sci 91:227-36. 2006
    ..Furthermore, these findings run counter to the postulation that surface area is a major factor associated with the pulmonary toxicity of nanoscale particle types...
  40. ncbi request reprint Reaction of water-stable C60 aggregates with ozone
    John D Fortner
    School of Civil and Environmental Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, USA
    Environ Sci Technol 41:7497-502. 2007
    ....
  41. pmc Migration of intradermally injected quantum dots to sentinel organs in mice
    Neera V Gopee
    National Center for Toxicological Research, U S Food and Drug Administration, Jefferson, Arkansas 72079, USA
    Toxicol Sci 98:249-57. 2007
    ....
  42. doi request reprint Biological interactions of quantum dot nanoparticles in skin and in human epidermal keratinocytes
    Leshuai W Zhang
    Center for Chemical Toxicology Research and Pharmacokinetics, North Carolina State University, 4700 Hillsborough Street, Raleigh, NC 27606, USA
    Toxicol Appl Pharmacol 228:200-11. 2008
    ....
  43. pmc Meeting report: hazard assessment for nanoparticles--report from an interdisciplinary workshop
    John M Balbus
    Environmental Defense, Washington, DC 20009, USA
    Environ Health Perspect 115:1654-9. 2007
    ..Finally, the group identified general policy and strategic opportunities to accelerate the development and implementation of testing protocols and ensure that the information generated is translated effectively for all stakeholders...
  44. ncbi request reprint Biodistribution of quantum dot nanoparticles in perfused skin: evidence of coating dependency and periodicity in arterial extraction
    Hyun A Lee
    Center for Chemical Toxicology Research and Pharmacokinetics, and Biomathematics Program, North Carolina State University, 4700 Hillsborough Street, Raleigh, North Carolina 27606, USA
    Nano Lett 7:2865-70. 2007
    ..Both QD had a unique periodicity in arterial extraction never observed with drug infusions, suggesting a potentially important nanomaterial behavior that could affect systemic disposition...
  45. ncbi request reprint Pulmonary bioassay studies with nanoscale and fine-quartz particles in rats: toxicity is not dependent upon particle size but on surface characteristics
    David B Warheit
    DuPont Haskell Laboratory for Health and Environmental Sciences, Newark, Delaware 19714 0050, USA
    Toxicol Sci 95:270-80. 2007
    ..The results demonstrate that the pulmonary toxicities of alpha-quartz particles appear to correlate better with surface activity than particle size and surface area...
  46. ncbi request reprint Semiconductor nanocrystals: Shape matters
    William E Buhro
    Nat Mater 2:138-9. 2003