Results 91 to 100 of about 9,394 (232)

Tuning the upconversion photoluminescence lifetimes of NaYF4:Yb3+, Er3+ through lanthanide Gd3+ doping

Scientific Reports, 2018
The multiplexing capacity of conventional fluorescence materials are significantly limited by spectral overlap and background interference, mainly due to their short-lived fluorescence lifetimes.
Heng Qin, Danyang Wu, Juna Sathian, Xiangyu Xie, Mary Ryan, Fang Xie   +5 more
doaj   +1 more source

Nonlinear Diffuse fs-Pulse Reflectometry of Harmonic Upconversion Nanoparticles

Photonics, 2017
Nonlinear diffuse femtosecond-pulse reflectometry is introduced as a powerful experimental tool for the unambiguous characterization of polar and non-polar point symmetry groups of harmonic upconversion nanoparticles.
Christian Kijatkin, Juliane Eggert, Sergej Bock, Dirk Berben, Laura Oláh, Zsuzsanna Szaller, Zsolt Kis, Mirco Imlau   +7 more
doaj   +1 more source

Advanced nanotherapeutics for combating ocular infections: Rational design, antimicrobial mechanisms, and therapeutic breakthroughs

BMEMat, EarlyView.
Nanomaterials revolutionize ocular infection treatment by enabling targeted drug delivery and enhanced antimicrobial efficacy against resistant pathogens. This review systematically explores their rational design, multimodal mechanisms, and translational potential for next‐generation anti‐infective therapies.
Yujia Liu, Xuetian Wen, Yue Tan, Rui Zeng, Yijuan Zhang, Tong Lin, Lan Gong, Zichao Luo   +7 more
wiley   +1 more source

Detection of single photon-upconversion nanoparticles by luminescence microcopy

, 2021
This bachelor thesis deals with the detection of photon-upconversion nanoparticles using the U-net convolutional neural network, by using epiluminescence microscopy.
Polachová, Natálie
core   +1 more source

Over 1000-fold enhancement of upconversion luminescence using water-dispersible metal-insulator-metal nanostructures

Nature Communications, 2018
Upconversion nanoparticles are already used in bio-imaging but still suffer from low luminescence. Here, metal-insulator-metal nanostructures with 1-2 orders magnitude enhancement in upconversion are introduced enabling bioimaging at reduced particle or ...
Ananda Das, Chenchen Mao, Suehyun Cho, Kyoungsik Kim, Wounjhang Park   +4 more
doaj   +1 more source

Carbon Quantum Dots Meet Perovskite Solar Cells: A Review of Multifunctional Synergies

Carbon Energy, EarlyView.
This review highlights the multifunctional role of carbon dots in perovskite solar cells. Their applications as additives and interfacial modifiers are discussed in terms of crystallization control, defect passivation, energy‐level alignment, and environmental stability.
Yagmur Su Sayin, Matteo Bonomo, Nilgun Karatepe, Marta Feroci   +3 more
wiley   +1 more source

Characterization of upconversion nanoparticles by fluorescence spectrometry and capillary electrophoresis

, 2017
Upconversion nanoparticles (UCNPs) are a novel class of luminescent tags for applications in life and material sciences. Unlike traditional fluorophores, UCNPs exhibit emission of shorter wavelength under near-infrared excitation (typically 980 nm).
Hlaváček, Antonín, Adam, Vojtěch, Vaculovičová, Markéta, Vaněčková, Tereza, Zítka, Jan   +4 more
core  

Assessing the activity of antibodies conjugated to upconversion nanoparticles for immunolabeling

, 2022
Surface modification and functionalization is typically required to engineer upconversion nanoparticles (UCNPs) for biosensing and bioimaging applications.
Zheng, Xianlin, Lu, Yanling, Piper, James A, Packer, Nicolle H, Wu, Jiehua, Lu, Yiqing, Cao, Yueying   +6 more
core   +1 more source

Novel Carbon-Based Magnetic Luminescent Nanocomposites for Multimodal Imaging

Frontiers in Chemistry, 2020
Multifunctional nanocomposites can combine multiple functions into a single nanosystem and thus have attracted extensive interest in various fields.
Fangfang Liu, Xiaoming Mou, Jimei Song, Qin Li, Jinliang Liu   +4 more
doaj   +1 more source

Structure‐Function Tailoring of Plasmonic Nanomaterials for Thin‐Film Photovoltaics

Carbon Energy, EarlyView.
This review discusses the mechanisms and recent advancements of plasmonics in achieving effective light management to enhance the performance of thin‐film solar cells. It highlights applications in high‐performance perovskite solar cells and future‐oriented tandem solar cells.
Sen Jiang, Wenhan Yang, Annan Zhu, Yuexin Lin, Zhaohui Xie, Ran Chen, Wenjing Zhu, Jin Liu, Yingjie Zhu, Wenye Jiang, Zhiyuan Gu, Kaiyang Wang, Shengchun Yang, Nan Zhang, Chao Liang   +14 more
wiley   +1 more source