pH-controlled reversible assembly of peptide-functionalized gold nanoparticles

S Si, TK Mandal - Langmuir, 2007 - ACS Publications
The assembly/disassembly process of carboxylated peptide-functionalized gold
nanoparticles (peptide-GNPs) was studied within the pH interval of 2.5 to 10. The assembly …

Reversible self‐assembly of carboxylated peptide‐functionalized gold nanoparticles driven by metal‐ion coordination

S Si, M Raula, TK Paira, TK Mandal - ChemPhysChem, 2008 - Wiley Online Library
Carboxylated peptide‐functionalized gold nanoparticles (peptide‐GNPs) self‐assemble into
two‐and three‐dimensional nanostructures in the presence of various heavy metal ions (ie …

Peptide‐coated silver nanoparticles: synthesis, surface chemistry, and pH‐triggered, reversible assembly into particle assemblies

P Graf, A Mantion, A Foelske, A Shkilnyy… - … A European Journal, 2009 - Wiley Online Library
The degree of aggregation of silver nanoparticles can be controlled via a pH sensitive
peptide coating (see figure). As the peptide not only controls the colloidal properties, but …

Structural control of peptide-coated gold nanoparticle assemblies by the conformational transition of surface peptides

M Higuchi, K Ushiba, M Kawaguchi - Journal of colloid and interface …, 2007 - Elsevier
Gold nanoparticles having peptide chains on the surfaces have been prepared yb ring-
opening polymerization of γ-methyl l-glutamate N-carboxyanhydride with fixed amino groups …

Peptide-assisted synthesis of gold nanoparticles and their self-assembly

RR Bhattacharjee, AK Das, D Haldar… - … of nanoscience and …, 2005 - ingentaconnect.com
A novel gold nanoparticle-tripeptide (GNP-tripeptide) conjugate was prepared by peptide in-
situ redox technique at ambient temperature using a newly designed tripeptide. This new …

Folding induced assembly of polypeptide decorated gold nanoparticles

D Aili, K Enander, J Rydberg, I Nesterenko… - Journal of the …, 2008 - ACS Publications
Reversible assembly of gold nanoparticles controlled by the homodimerization and folding
of an immobilized de novo designed synthetic polypeptide is described. In solution at neutral …

One-dimensional assembly of peptide-functionalized gold nanoparticles: an approach toward mercury ion sensing

S Si, A Kotal, TK Mandal - The Journal of Physical Chemistry C, 2007 - ACS Publications
Carboxylated peptide-functionalized gold nanoparticles (peptide− GNPs) were self-
assembled into networks of one-dimensional (1D) chains in the presence of mercury ion …

Modulating peptide amphiphile morphology by gold nanocolloids

NK Mishra, KB Joshi, S Verma - Journal of colloid and interface science, 2015 - Elsevier
We report facile synthesis and structural study of ditryptophan-based short peptide
amphiphilic (sPA) constructs, which were used to synthesize gold nanostructures, in the …

Quantification and reactivity of functional groups in the ligand shell of PEGylated gold nanoparticles via a fluorescence-based assay

L Maus, JP Spatz, R Fiammengo - Langmuir, 2009 - ACS Publications
We present a fluorescence-based assay for the characterization of functionalized gold
nanoparticles (AuNPs) capped with a self-assembled monolayer of mixed thiols derived …

Novel synthetic route to peptide-capped gold nanoparticles

T Serizawa, Y Hirai, M Aizawa - Langmuir, 2009 - ACS Publications
A novel synthetic route to peptide-capped gold nanoparticles was demonstrated herein.
Tetrachloroaurate ions were reduced with 2-[4-(2-hydroxyethyl)-1-piperazinyl] …