Results 101 to 110 of about 1,677 (188)

Acidity-activatable upconversion afterglow luminescence cocktail nanoparticles for ultrasensitive in vivo imaging

Nature Communications
Activatable afterglow luminescence nanoprobes enabling switched “off-on” signals in response to biomarkers have recently emerged to achieve reduced unspecific signals and improved imaging fidelity.
Yue Jiang, Min Zhao, Jia Miao, Wan Chen, Yuan Zhang, Minqian Miao, Li Yang, Qing Li, Qingqing Miao   +8 more
doaj   +1 more source

Rational Design and Development of Organic Afterglow Nanoparticles for Image‐Guided Interventions

Small Methods, Volume 10, Issue 12, 23 June 2026.
This review outlines the rational design, synthesis, and standardized characterization of organic afterglow nanoparticles for biomedical imaging and therapy. Mechanistic insights into chemically initiated electron exchange luminescence and reactive oxygen species‐mediated processes are connected to molecular engineering and nanoparticle fabrication ...
Asma Harun, Isabella Vasquez, Hannah Bowman, Robert Posey, Zhongkui Hong, Joshua Tropp, Indrajit Srivastava   +6 more
wiley   +1 more source

Colorful Room‐Temperature Phosphorescence Including White Afterglow from Mechanical Robust Transparent Wood for Time Delay Lighting

Small Structures
The preparation of mechanical robust organic room‐temperature phosphorescence (RTP) materials especially with white afterglow is attractive but rarely reported.
Zequan Lü, Qian Gao, Meichao Shi, Zhenhua Su, Gegu Chen, Haisong Qi, Baozhong Lü, Feng Peng   +7 more
doaj   +1 more source

Visible‐Light‐Activated Multi‐Color Tunable Time‐Dependent Afterglow Triggered by Variable Conjugation Effects via the Transformation of Matrix

Advanced Science
Achieving multi‐color tunable time‐dependent afterglow color (TDAC) in pure organic materials under visible light excitation remains a significant challenge.
Hongpu Xin, Yunze Huang, Weibo Zhang, Peng Li, Huanrong Li   +4 more
doaj   +1 more source

Fluorine-induced aggregate-interlocking for color-tunable organic afterglow with a simultaneously improved efficiency and lifetime. [PDF]

Chem Sci, 2021
Li H, Li H, Gu J, He F, Peng H, Tao Y, Tian D, Yang Q, Li P, Zheng C, Huang W, Chen R.   +11 more
europepmc   +1 more source

Reactions of selected organic, organosilicon and organophosphorus anions in the gas phase / by Richard Alfred John O'Hair.

, 1989
Copies of author's previously published articles inserted.Includes bibliographical references (leaves 193-215)xiv, 216 leaves : ill. ; 30 cm.Studies the structure and reactivity of organic, organosilicon and organophosphorus anions in the gas phase ...
O'Hair, Richard Alfred John
core  

Edible Long-Afterglow Photoluminescent Materials for Bioimaging

Confining luminophores into modified hydrophilic matrices or polymers is a straightforward and widely used approach for afterglow bioimaging. However, the afterglow quantum yield and lifetime of the related material remain unsatisfactory, severely ...
Shen, Shen,, Xie, Qishan,, Wu, Hongwei,, Jin, Jian,, Liu, Qingsong,, Sun, Hao,, Zhu, Liangliang,, Sahoo, Smruti Ranjan,, Baryshnikov, Glib,, Ågren, Hans,, Baryshnikov, Glib V.,   +10 more
core   +1 more source

Li Promoting Long Afterglow Organic Light‐Emitting Transistor for Memory Optocoupler Module

International audienceThe artificial brain is conceived as advanced intelligence technology, capable to emulate in-memory processes occurring in the human brain by integrating synaptic devices. Within this context, improving the functionality of synaptic
Xu, Shunqi, Wang, Kexin, Mcculloch, Iain, Montes Garcia, Verónica, Montes-García, Verónica, Montes‐García, Verónica, Wang, Hanlin, Chen, Yusheng, Samorì, Paolo, Zhang, Weimin, Chen, Hu, Pätzel, Michael, Hecht, Stefan, Han, Bin   +13 more
core   +1 more source

Shaping the Afterglow of Indolo[3, 2‐b]Carbazoles via Modulating Intersystem Crossing (ISC/rISC) and Phosphorescence Rates

Aggregate
The development and modulation of dual‐mode organic afterglows, which integrate persistent thermally activated delayed fluorescence (pTADF) and room‐temperature phosphorescence (pRTP), remain challenging.
Jiang Zhao, Lihua Xu, Ye Meng, Bingjia Xu, Hang Cong   +4 more
doaj   +1 more source

Study on the Influence of Host–Guest Structure and Polymer Introduction on the Afterglow Properties of Doped Crystals

Molecules
Due to their low cost, good biocompatibility, and ease of structural modification, organic long-persistent luminescence (LPL) materials have garnered significant attention in organic light-emitting diodes, biological imaging, information encryption, and ...
Wenhui Feng, Zongyong Lou, Xiaoqiang Zhao, Mingming Zhao, Yaqin Xu, Yide Gao   +5 more
doaj   +1 more source