Photostability of contrast agents for photoacoustics: The case of gold nanorods

L Cavigli, BN Khlebtsov, S Centi, NG Khlebtsov, R Pini… - Nanomaterials, 2021 - mdpi.com
Plasmonic particles as gold nanorods have emerged as powerful contrast agents for critical
applications as the photoacoustic imaging and photothermal ablation of cancer. However …

Photomobile polymer–piezoelectric composite for enhanced actuation and energy generation

D Sagnelli, A D'Avino, M Rippa, A Vestri… - ACS Applied Optical …, 2023 - ACS Publications
In this study, we present an innovative approach to increase the quantum yield and
wavelength sensitivity of photomobile polymer (PMP) films based on azobenzene by doping …

A robust design for cellular vehicles of gold nanorods for multimodal imaging

F Ratto, S Centi, C Avigo, C Borri… - Advanced Functional …, 2016 - Wiley Online Library
The pursuit of more selectivity in the delivery of plasmonic particles to tumors is critical
before their penetration into clinical applications as the photoacoustic imaging and the …

Plasmonic particles that hit hypoxic cells

F Ratto, E Witort, F Tatini, S Centi… - Advanced Functional …, 2015 - Wiley Online Library
The use of gold nanorods as contrast agents for the optical hyperthermia of cancer is
receiving ever more attention. However, their selective delivery to tumors still remains an …

Polylysine as a functional biopolymer to couple gold nanorods to tumor-tropic cells

C Borri, S Centi, F Ratto, R Pini - Journal of Nanobiotechnology, 2018 - Springer
Background The delivery of plasmonic particles, such as gold nanorods, to the tumor
microenvironment has attracted much interest in biomedical optics for topical applications as …

Small thiols stabilize the shape of gold nanorods

S Centi, L Cavigli, C Borri, A Milanesi… - The Journal of …, 2020 - ACS Publications
The stabilization of the optical properties of anisotropic plasmonic particles upon thermal
annealing and laser irradiation is an important issue in many biomedical applications. Here …

Seed-mediated synthesis of gold nanorods by using dopamine as the weak reducing agent in a binary surfactant mixture

W Zhou, Y Hao, X Wang, M Li, S Liang - Optical Materials, 2023 - Elsevier
Gold nanorods were prepared by using a modified seed-mediated wet chemical growth
method at reduced concentrations of hexadecyltrimethylammonium bromide and sodium …

Impact of Kapitza resistance on the stability and efficiency of photoacoustic conversion from gold nanorods

L Cavigli, A Milanesi, BN Khlebtsov, S Centi… - Journal of Colloid and …, 2020 - Elsevier
Plasmonic particles have been proposed for a broad variety of optical and hybrid
applications, including the photothermal ablation and photoacoustic imaging of cancer, or …

Photostability of gold nanorods upon endosomal confinement in cultured cells

L Cavigli, A Cini, S Centi, C Borri, S Lai… - The Journal of …, 2017 - ACS Publications
The photoinstability of plasmonic particles remains one remarkable obstacle before their
clinical penetration as powerful contrast agents, for instance, in photoacoustic imaging. In …

A multifunctional organosilica cross-linker for the bio-conjugation of gold nanorods

S Lai, S Centi, C Borri, F Ratto, L Cavigli… - Colloids and Surfaces B …, 2017 - Elsevier
We report on the use of organosilica shells to couple gold nanorods to functional peptides
and modulate their physiochemical and biological profiles. In particular, we focus on the …