Advertisement

Topics

Disconnecting Symmetry Breaking From Seeded Growth for Reproducible Synthesis of High Quality Gold Nanorods.

08:00 EDT 2nd April 2019 | BioPortfolio

Summary of "Disconnecting Symmetry Breaking From Seeded Growth for Reproducible Synthesis of High Quality Gold Nanorods."

One of the major difficulties hindering the widespread application of colloidal anisotropic plasmonic nanoparticles is the limited robustness and reproducibility of multistep synthetic methods. We demonstrate herein that the reproducibility and reliability of colloidal gold nanorod (AuNR) synthesis can be greatly improved by disconnecting the symmetry breaking event from the seeded growth process. We have used a modified silver-assisted seeded growth method in the presence of the surfactant hexadecyltrimethylammonium bromide and n-decanol as a co-surfactant, to prepare small AuNRs in high yield, which were then used as seeds for the growth of high quality AuNR colloids. Whereas the use of n-decanol provides a more rigid micellar system, the growth on anisotropic seeds avoids sources of irreproducibility during the symmetry breaking step, yielding uniform AuNR colloids with narrow plasmon bands, ranging from 600 to 1250 nm, and allowing fine tuning of the final dimensions. This method provides a robust route for the preparation of highly-quality AuNR colloids with tunable morphology, size and optical response, in a reproducible and scalable manner.

Affiliation

Journal Details

This article was published in the following journal.

Name: ACS nano
ISSN: 1936-086X
Pages:

Links

DeepDyve research library

PubMed Articles [12297 Associated PubMed Articles listed on BioPortfolio]

Symmetry-Breaking Synthesis of Multicomponent Nanoparticles.

Multicomponent nanoparticles (MCNs) composed of disparate inorganic colloidal components have attracted great attention from researchers in both the academic and industrial community, because of their...

Interplay of Polarization and Time-Reversal Symmetry Breaking in Synchronously Pumped Ring Resonators.

Optically induced breaking of symmetries plays an important role in nonlinear photonics, with applications ranging from optical switching in integrated photonic circuits to soliton generation in ring ...

Self-Aligned Anisotropic Plasmonic Nanostructures.

Great opportunities emerge not only in the generation of anisotropic plasmonic nanostructures but also in controlling their orientation relative to incident light. Herein, a stepwise seeded growth met...

Determination of Handedness in a Single Chiral Nanocrystal via Circularly Polarized Luminescence.

The occurrence of biological homochirality is attributed to symmetry breaking mechanisms which are still debatable. Studies of symmetry breaking require tools for monitoring the population ratios of i...

Template-Free Synthesis of Highly B-Oriented MFI-Type Zeolite Thin Films by Seeded Secondary Growth.

Highly b-oriented, closely packed, MFI zeolite films are prepared on seeded stainless-steel plates using organic template-free, secondary growth solutions, containing aluminum sulfate as a crystalliza...

Clinical Trials [4055 Associated Clinical Trials listed on BioPortfolio]

Tools for the Objective Clinical Assessment of Pediatric Spinal Deformity

This project seeks to develop a standardized technique for simultaneous capturing bi-planar images of patients against a standard background with a grid that can be used later for the quan...

The Effect of Local Injectet GH on the Collagen Synthesis in the Ligamentum Patella

Tendon and ligament injuries are a frequent problem among athletes but also in the general population. The healing process is a prolonged process, and complete recovery of tissue strength ...

The Effect of Breaking Prolonged Sitting on Adipose Tissue and Metabolism

The purpose of this project is to investigate the effect of breaking prolonged sitting on acute adipose tissue and metabolic responses.

Breaking Down Barriers to Diabetes Self-Care

Performance of self-care recommendations is key to the successful treatment of diabetes. However, many patients have difficulty adhering to diabetes self-care recommendations. Recent resul...

Stem Cell Therapy for Outer Retinal Degenerations

This study is a Phase I/II , open label,non randomized, prospective study to determine the safety of human embryonic stem cell derived Retinal pigmented epithelium (hESC RPE) sub retinal i...

Medical and Biotech [MESH] Definitions

A class of unsegmented helminths with fundamental bilateral symmetry and secondary triradiate symmetry of the oral and esophageal structures. Many species are parasites.

A 17-kDa single-chain polypeptide growth factor that plays a significant role in the process of WOUND HEALING and is a potent inducer of PHYSIOLOGIC ANGIOGENESIS. It binds to HEPARIN, which potentiates its biological activity and protects it from proteolysis. The growth factor is an extremely potent inducer of DNA synthesis in a variety of cell types from mesoderm and neuroectoderm lineages, and also has chemotactic and mitogenic activities. It was originally named acidic fibroblast growth factor based upon its chemical properties and to distinguish it from basic fibroblast growth factor (FIBROBLAST GROWTH FACTOR 2).

A single-chain polypeptide growth factor that plays a significant role in the process of WOUND HEALING and is a potent inducer of PHYSIOLOGIC ANGIOGENESIS. Several different forms of the human protein exist ranging from 18-24 kDa in size due to the use of alternative start sites within the fgf-2 gene. It has a 55 percent amino acid residue identity to FIBROBLAST GROWTH FACTOR 1 and has potent heparin-binding activity. The growth factor is an extremely potent inducer of DNA synthesis in a variety of cell types from mesoderm and neuroectoderm lineages. It was originally named basic fibroblast growth factor based upon its chemical properties and to distinguish it from acidic fibroblast growth factor (FIBROBLAST GROWTH FACTOR 1).

Injuries involving the breaking of either several bones or one bone in two or more places.

A peptide of 44 amino acids in most species that stimulates the release and synthesis of GROWTH HORMONE. GHRF (or GRF) is synthesized by neurons in the ARCUATE NUCLEUS of the HYPOTHALAMUS. After being released into the pituitary portal circulation, GHRF stimulates GH release by the SOMATOTROPHS in the PITUITARY GLAND.

Advertisement
Quick Search
Advertisement
Advertisement

 


DeepDyve research library

Searches Linking to this Article