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Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Near-infrared photoacoustic imaging probe responsive to calcium.
Anal. Chem. 88, 10790-10794 (2016)
Photoacoustic imaging (PAI) is an attractive imaging modality that can volumetrically map the distribution of photoabsorbing molecules with deeper tissue penetration than multiphoton microscopy. To enable dynamic sensing of divalent cations via PAI, we have engineered a new reversible near-infrared probe that is more sensitive to calcium as compared to other biologically relevant cations. The metallochromic compound showed a strong reduction of its peak absorbance at 765 nm upon addition of calcium ions that was translated into robust signal changes in photoacoustic images. Therefore, the heptamethine cyanine dye will be an attractive scaffold to create a series of metallochromic sensors for molecular PAI.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
In-vivo; Optoacoustic Tomography; Mouse-brain; Red; Visualization; Magnesium; Ions; Mg2+; Time; Nmr
ISSN (print) / ISBN
0003-2700
e-ISSN
1520-6882
Zeitschrift
Analytical Chemistry
Quellenangaben
Band: 88,
Heft: 22,
Seiten: 10790-10794
Verlag
American Chemical Society (ACS)
Verlagsort
Washington
Begutachtungsstatus
Peer reviewed