Roberta Brayner

Summary

Country: France

Publications

  1. ncbi request reprint Toxicological impact studies based on Escherichia coli bacteria in ultrafine ZnO nanoparticles colloidal medium
    Roberta Brayner
    Interfaces, Traitements, Organisation et Dynamique des Systemes, UMR CNRS 7086, Universite Paris 7 Denis Diderot, 751 Paris Cedex 05, France
    Nano Lett 6:866-70. 2006
  2. doi request reprint Recycling and adaptation of Klebsormidium flaccidum microalgae for the sustained production of gold nanoparticles
    Si Amar Dahoumane
    Univ Paris Diderot, Sorbonne Paris Cité, Interfaces, Traitements, Organisation et Dynamique des Systemes, UMR 7086, CNRS, 15 rue Jean de Baif, F 75205 Paris Cedex 13, France
    Biotechnol Bioeng 109:284-8. 2012
  3. ncbi request reprint Ecotoxicological studies of CdS nanoparticles on photosynthetic microorganisms
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, 15 rue Jean de Baif, F 75205 Paris Cedex 13, France
    J Nanosci Nanotechnol 11:1852-8. 2011
  4. doi request reprint Intracellular biosynthesis of superparamagnetic 2-lines ferri-hydrite nanoparticles using Euglena gracilis microalgae
    Roberta Brayner
    ITODYS, Universite Paris Diderot, Sorbonne Paris Cité, UMR CNRS 7086, Paris, France
    Colloids Surf B Biointerfaces 93:20-3. 2012
  5. doi request reprint Photosynthetic microorganism-mediated synthesis of akaganeite (beta-FeOOH) nanorods
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, F 75205 Paris Cedex 13, France
    Langmuir 25:10062-7. 2009
  6. doi request reprint Micro-algal biosensors
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, Paris, France
    Anal Bioanal Chem 401:581-97. 2011
  7. doi request reprint Surface-enhanced Raman scattering on silver nanostructured films prepared by spray-deposition
    Roberta Brayner
    Université Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systèmes, 15 rue Jean de Baïf, F 75205 Paris Cedex 13, France
    Langmuir 26:17465-9. 2010
  8. pmc Ecotoxicological effects of carbon nanotubes and cellulose nanofibers in Chlorella vulgaris
    Michele M Pereira
    Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, University of Paris Diderot, Sorbonne Paris Cité, 7086 Paris, France
    J Nanobiotechnology 12:15. 2014
  9. ncbi request reprint ZnO Nanoparticles: Synthesis, Characterization, and Ecotoxicological Studies
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, 15 rue Jean de Baif, F 75205 Paris Cedex 13, France
    Langmuir 26:6522-8. 2010
  10. ncbi request reprint Cyanobacteria as bioreactors for the synthesis of Au, Ag, Pd, and Pt nanoparticles via an enzyme-mediated route
    Roberta Brayner
    Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, UMR CNRS 7086, Universite Paris 7 Denis Diderot, case 7090, 2 place Jussieu, 75251 Paris Cedex 05, France
    J Nanosci Nanotechnol 7:2696-708. 2007

Collaborators

  • T Coradin
  • Hélène Barberousse
  • Michele M Pereira
  • Alain Couté
  • Claude Yéprémian
  • Si Amar Dahoumane
  • Michel Boissière
  • Nádia R B Raposo
  • Ludovic Mouton
  • Joanne Lo
  • José M Marconcini
  • Humberto M Brandão
  • Luiz O Ladeira
  • Fernand Fiévet
  • Chakib Djediat
  • Jean Marie Devoisselle
  • Joachim Allouche
  • Jacques Livage
  • Corinne Chaneac

Detail Information

Publications11

  1. ncbi request reprint Toxicological impact studies based on Escherichia coli bacteria in ultrafine ZnO nanoparticles colloidal medium
    Roberta Brayner
    Interfaces, Traitements, Organisation et Dynamique des Systemes, UMR CNRS 7086, Universite Paris 7 Denis Diderot, 751 Paris Cedex 05, France
    Nano Lett 6:866-70. 2006
    ..This behavior causes the increase of membrane permeability leading to accumulation of ZnO nanoparticles in the bacterial membrane and also cellular internalization of these nanoparticles...
  2. doi request reprint Recycling and adaptation of Klebsormidium flaccidum microalgae for the sustained production of gold nanoparticles
    Si Amar Dahoumane
    Univ Paris Diderot, Sorbonne Paris Cité, Interfaces, Traitements, Organisation et Dynamique des Systemes, UMR 7086, CNRS, 15 rue Jean de Baif, F 75205 Paris Cedex 13, France
    Biotechnol Bioeng 109:284-8. 2012
    ..An alternative approach consisting of progressive gold salt addition revealed to be suitable to favor cell adaptation to larger metal concentrations and supported particle release over month periods...
  3. ncbi request reprint Ecotoxicological studies of CdS nanoparticles on photosynthetic microorganisms
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, 15 rue Jean de Baif, F 75205 Paris Cedex 13, France
    J Nanosci Nanotechnol 11:1852-8. 2011
    ..Moreover, the nanoparticle internalization was observed after contact with all nanoparticles in the presence of Euglena gracilis by endocytosis. All nanoparticles are inside vesicles formed by the cells...
  4. doi request reprint Intracellular biosynthesis of superparamagnetic 2-lines ferri-hydrite nanoparticles using Euglena gracilis microalgae
    Roberta Brayner
    ITODYS, Universite Paris Diderot, Sorbonne Paris Cité, UMR CNRS 7086, Paris, France
    Colloids Surf B Biointerfaces 93:20-3. 2012
    ..The intracellular biosynthesis of superparamagnetic (blocking temperature 5.6K) 2-lines ferrihydrite (Fh2L) nanoparticles was observed within living Euglena gracilis microalgae...
  5. doi request reprint Photosynthetic microorganism-mediated synthesis of akaganeite (beta-FeOOH) nanorods
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, F 75205 Paris Cedex 13, France
    Langmuir 25:10062-7. 2009
    ..A mechanism involving iron-siderophore complex formation is proposed and compared with iron biomineralization in magnetotactic bacteria...
  6. doi request reprint Micro-algal biosensors
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, Paris, France
    Anal Bioanal Chem 401:581-97. 2011
    ..These photosynthetic microorganisms are very sensitive to changes in their environment, enabling the detection of traces of pollutants. Three groups of micro-algae are described in this paper: chlorophyta, cyanobacteria, and diatoms...
  7. doi request reprint Surface-enhanced Raman scattering on silver nanostructured films prepared by spray-deposition
    Roberta Brayner
    Université Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systèmes, 15 rue Jean de Baïf, F 75205 Paris Cedex 13, France
    Langmuir 26:17465-9. 2010
    ..Finally, these SERS titrations along with enhancement factor estimates allowed us to further depict the nature of the films...
  8. pmc Ecotoxicological effects of carbon nanotubes and cellulose nanofibers in Chlorella vulgaris
    Michele M Pereira
    Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, University of Paris Diderot, Sorbonne Paris Cité, 7086 Paris, France
    J Nanobiotechnology 12:15. 2014
    ..However, the rapid dissemination of NPs can impact the environment and in the human health. Thus, the aim of this study was to evaluate the MWCNT and cotton CNF toxicological effects on freshwater green microalgae Chlorella vulgaris...
  9. ncbi request reprint ZnO Nanoparticles: Synthesis, Characterization, and Ecotoxicological Studies
    Roberta Brayner
    Universite Paris Diderot Paris 7, CNRS, UMR 7086, Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, 15 rue Jean de Baif, F 75205 Paris Cedex 13, France
    Langmuir 26:6522-8. 2010
    ..On the other hand, nanoparticle internalization was observed after contact with all nanoparticles in the presence of Euglena gracilis and also with ZnO-TOPO nanoparticles after contact with Anabaena flos-aquae ...
  10. ncbi request reprint Cyanobacteria as bioreactors for the synthesis of Au, Ag, Pd, and Pt nanoparticles via an enzyme-mediated route
    Roberta Brayner
    Interfaces, Traitements, Organisation et Dynamique des Systemes ITODYS, UMR CNRS 7086, Universite Paris 7 Denis Diderot, case 7090, 2 place Jussieu, 75251 Paris Cedex 05, France
    J Nanosci Nanotechnol 7:2696-708. 2007
    ..Investigations of nanoparticle formation indicate that the intracellular nitrogenase enzyme is responsible for the metal reduction but that the cellular environment is involved in the colloid growth process...
  11. ncbi request reprint Potentialities of silica/alginate nanoparticles as hybrid magnetic carriers
    Michel Boissière
    Chimie de la matière condensée de Paris, CNRS UMR 7574, Universite Pierre et Marie Curie, 4 place Jussieu, 75252 Paris Cedex 05, France
    Int J Pharm 344:128-34. 2007
    ..Further grafting of organic moieties on particle surface is also described. These data suggest that hybrid nanoparticles are flexible platforms for the developments of multi-functional bio-capsules...