Intracellular temperature mapping with fluorescence-assisted photoacoustic-thermometry

Measuring intracellular temperature is critical to understanding many cellular functions but still remains challenging. Here, we present a technique-fluorescence-assisted photoacoustic thermometry (FAPT)-for intracellular temperature mapping applications. To demonstrate FAPT, we monitored the intrac...

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Veröffentlicht in:Applied physics letters. - 1998. - 102(2013), 19 vom: 13. Mai, Seite 193705
1. Verfasser: Gao, Liang (VerfasserIn)
Weitere Verfasser: Zhang, Chi, Li, Chiye, Wang, Lihong V
Format: Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Applied physics letters
Schlagworte:Journal Article
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520 |a Measuring intracellular temperature is critical to understanding many cellular functions but still remains challenging. Here, we present a technique-fluorescence-assisted photoacoustic thermometry (FAPT)-for intracellular temperature mapping applications. To demonstrate FAPT, we monitored the intracellular temperature distribution of HeLa cells with sub-degree (0.7 °C) temperature resolution and sub-micron (0.23 μm) spatial resolution at a sampling rate of 1 kHz. Compared to traditional fluorescence-based methods, FAPT features the unique capability of transforming a regular fluorescence probe into a concentration- and excitation-independent temperature sensor, bringing a large collection of commercially available generic fluorescent probes into the realm of intracellular temperature sensing 
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700 1 |a Li, Chiye  |e verfasserin  |4 aut 
700 1 |a Wang, Lihong V  |e verfasserin  |4 aut 
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