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Quaternary Ammonium Polyethylenimine Nanoparticles

Known as: QA-PEI Nanoparticles 
A crosslinked nanoparticle formulation containing quaternary ammonium polyethylenimine (QA-PEI) with potential antibacterial activity. The cationic… 
National Institutes of Health

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2019
2019
A single-particle enumeration method for the detection of Fe2+ based on a near-infrared core-shell upconversion nanoparticle and IR-808 dye composite nanoprobe.
Ferrous ion (Fe2+) is an important component of hemoglobin and plays a role in transporting O2 to human tissues. If iron… 
2018
2018
Thermoplasmonic enhancement of upconversion in small-size doped NaGd(Y)F4 nanoparticles coupled to gold nanostars.
Plasmon enhancement of luminescence is a common strategy to boost the efficiency of both fluorescence and upconversion via the… 
2017
2017
Huge enhancement of upconversion luminescence by dye/Nd3+ sensitization of quenching-shield sandwich structured upconversion nanocrystals under 808 nm excitation.
Lanthanide-doped upconversion nanoparticles (UCNPs) have shown potential applications in diverse fields. However, their… 
2017
2017
Coating lanthanide nanoparticles with carbohydrate ligands elicits affinity for HeLa and RAW264.7 cells, enhancing their photodamaging effect.
2016
2016
Controllable stationary photocurrents generated from a bacteriorhodopsin/upconversion nanoparticle-based bionanosystem under NIR illumination.
In the past few decades, tremendous effort has been dedicated to develop bacteriorhodopsin (bR)-based photo-electronic devices… 
2016
2016
Designed Er(3+)-singly doped NaYF4 with double excitation bands for simultaneous deep macroscopic and microscopic upconverting bioimaging.
Simultaneous deep macroscopic imaging and microscopic imaging is in urgent demand, but is challenging to achieve experimentally… 
2014
2014
Cellular energy allocation of Glyphodes pyloalis (Lep.: Pyralidae): changes related to exposure to TiO2 nanoparticles
In order to study the pollution potential of TiO2 nanoparticles (TiO2-NPs) on ecological health, this research was carried out on… 
2013
2013
Effect of anatase TiO2 nanoparticles on the growth of RSC-364 rat synovial cell.
Nanoscale materials (such as TiO2, hydroxyapatite nanoparticles) have gained much concern in the coating of implants for cell… 
2013
2013
Lipidoid Nanoparticles Containing PD-L1 siRNA Delivered In Vivo Enter Kupffer Cells and Enhance NK and CD8+ T Cell-mediated Hepatic Antiviral Immunity.
Effective clinical application of antiviral immunotherapies necessitates enhancing the functional state of natural killer (NK… 
2011
2011
Upconversion fluorescent nanoparticles as a potential tool for in-depth imaging
Upconversion nanoparticles (UCNs) are nanoparticles that are excited in the near infrared (NIR) region with emission in the… 
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