AI Article Synopsis
- Gold nanorods (GNRs) were successfully encapsulated and dispersed in organic solvents using tetrabenzylthiol resorcinarene (TBTR) and a poly(dithiocarbamate) made from tetra-N-methyl(aminomethyl)resorcinarene.
- The poly(dithiocarbamate) effectively allowed GNRs to be redispersed in various organic solvents and showed a strong solvatochromic response, indicating high sensitivity to changes in refractive index.
- GNRs encapsulated with this method could endure high temperatures briefly and were capable of promoting the growth of magnetic nanoshells.
Article Abstract
Gold nanorods (GNRs) were encapsulated and dispersed into organic solvents by tetrabenzylthiol resorcinarene (TBTR) and by a poly(dithiocarbamate) derived from tetra- N-methyl(aminomethyl)resorcinarene (TMAR-DTC), formed by the in situ condensation of TMAR with carbon disulfide. The latter proved to be highly effective at enabling the redispersion of GNRs in various organic solvents. GNRs encapsulated in TMAR-DTC exhibited a strong solvatochromic response, with a refractive index sensitivity of over 300 nm/RIU. The resorcinarene-encapsulated GNRs could withstand high temperatures for a short period of time, and could be used to nucleate the growth of magnetic nanoshells.
Download full-text PDF |
Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2632588 | PMC |
| http://dx.doi.org/10.1080/10610270701647927 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
Emerging of Ultrafine Membraneless Organelles as the Missing Piece of Nanostress: Mechanism of Biogenesis and Implications at Multilevels.
ACS Nano
January 2025
Department of Pharmaceutics, and Nanjing Medical University, Nanjing 211166, P. R. China.
Understanding the interaction between nanomaterials and cellular structures is crucial for nanoparticle applications in biomedicine. We have identified a subtype of stress granules, called nanomaterial-provoked stress granules (NSGs), induced by gold nanorods (AuNRs). These NSGs differ from traditional SGs in their physical properties and biological functions.
View Article and Find Full Text PDFMacroscopic Gold Cluster Helical Tendrils.
J Am Chem Soc
January 2025
Henan Key Laboratory of Crystalline Molecular Functional Materials, College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China.
Handedness-controllable macroscopic helices are needed for understanding the chirality transfer through scales and design of high-performance devices. Bottom-up self-assembly rarely affords macroscopic helical superstructures because of accumulating disorder that is difficult to avoid during hierarchical self-assembly. Here, we demonstrate that tetragold clusters can assemble into macroscopic helices at the centimeter scale.
View Article and Find Full Text PDFPlasmonic Nanoparticles for Photothermal Therapy: Benchmarking of Photothermal Properties and Modeling of Heating at Depth in Human Tissues.
J Phys Chem C Nanomater Interfaces
January 2025
Department of Physics and Astronomy, University of Exeter, Exeter EX4 4QL, U.K.
Many different types of nanoparticles have been developed for photothermal therapy (PTT), but directly comparing their efficacy as heaters and determining how they will perform when localized at depth in tissue remains complex. To choose the optimal nanoparticle for a desired hyperthermic therapy, it is vital to understand how efficiently different nanoparticles extinguish laser light and convert that energy to heat. In this paper, we apply photothermal mass conversion efficiency (η ) as a metric to compare nanoparticles of different shapes, sizes, and conversion efficiencies.
View Article and Find Full Text PDFPutrescine is a kind of physical diamine that is closely related to food deterioration and food quality safety. This study employs a novel fiber optic biosensor based on S-tapered and waist extension techniques, as well as localized surface plasmon resonance (LSPR), to detect putrescine accurately. The gold nanoparticles (AuNPs) are fixed on the fiber to excite LSPR.
View Article and Find Full Text PDFHydrogen sulfide (HS), the third endogenous gaseous molecule, plays a crucial role in biological signaling and metabolic processes. It has garnered significant attention from researchers in the field of biochemistry. The highly sensitive detection of HS is essential for elucidating its functions and has long been a key objective in biochemical sensing.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!