Advances in highly doped upconversion nanoparticles

S Wen, J Zhou, K Zheng, A Bednarkiewicz, X Liu… - Nature …, 2018 - nature.com
Lanthanide-doped upconversion nanoparticles (UCNPs) are capable of converting near-
infra-red excitation into visible and ultraviolet emission. Their unique optical properties have …

Dye-doped silica nanoparticles: synthesis, surface chemistry and bioapplications

V Gubala, G Giovannini, F Kunc, MP Monopoli… - Cancer …, 2020 - Springer
Background Fluorescent silica nanoparticles have been extensively utilised in a broad
range of biological applications and are facilitated by their predictable, well-understood …

Optimized metal–organic-framework nanospheres for drug delivery: evaluation of small-molecule encapsulation

J Zhuang, CH Kuo, LY Chou, DY Liu, E Weerapana… - ACS …, 2014 - ACS Publications
We have developed a general synthetic route to encapsulate small molecules in
monodisperse zeolitic imid-azolate framework-8 (ZIF-8) nanospheres for drug delivery …

Skin penetration and cellular uptake of amorphous silica nanoparticles with variable size, surface functionalization, and colloidal stability

F Rancan, Q Gao, C Graf, S Troppens, S Hadam… - ACS …, 2012 - ACS Publications
In this study, the skin penetration and cellular uptake of amorphous silica particles with
positive and negative surface charge and sizes ranging from 291±9 to 42±3 nm were …

Synthesis and bio-functionalization of magnetic nanoparticles for medical diagnosis and treatment

TD Schladt, K Schneider, H Schild, W Tremel - Dalton Transactions, 2011 - pubs.rsc.org
The synthesis of multifunctional magnetic nanoparticles (NPs) is a highly active area of
current research located at the interface between materials science, biotechnology and …

Surface functionalization of silica nanoparticles supports colloidal stability in physiological media and facilitates internalization in cells

C Graf, Q Gao, I Schütz, CN Noufele, W Ruan… - Langmuir, 2012 - ACS Publications
The influence of the surface functionalization of silica particles on their colloidal stability in
physiological media is studied and correlated with their uptake in cells. The surface of 55±2 …

Quantifying the level of nanoparticle uptake in mammalian cells using flow cytometry

HR Shin, M Kwak, TG Lee, JY Lee - Nanoscale, 2020 - pubs.rsc.org
Reliable quantification of nanoparticle uptake in mammalian cells is essential to study the
effects of nanoparticles in the fields of medicine and environmental science. Most …

Silver nanoparticles modified on cicada wings affect fluorescence and Raman signals based on electromagnetic and chemical enhancement mechanisms

S Guo, H Cao, Y Yang, M Wang - Optics & Laser Technology, 2025 - Elsevier
The electromagnetic enhancement (EM) mechanism is one of the important theories that
need to be mastered to study surface-enhanced fluorescence (SEF) and surface-enhanced …

Silica nanoparticles activate defense responses by reducing reactive oxygen species under Ralstonia solanacearum infection in tomato plants

L Wang, T Pan, X Gao, J An, C Ning, S Li, K Cai - NanoImpact, 2022 - Elsevier
Silica nanoparticles (SNPs) play an important positive role in enhancing stress resistance of
plants. However, their absorption and the mechanisms of resistance in plants are not yet …

[PDF][PDF] Fluorescence enhancement by metal‐core/silica‐shell nanoparticles

OG Tovmachenko, C Graf, DJ van den Heuvel… - Advanced …, 2006 - science.uu.nl
The fundamental and applied physics of noble-metal nanoparticles is currently attracting
much attention. To a great extent this is due to promising new applications of noble-metal …