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Biomimetic fluorescent nanoprobes capable of emitting near-infrared (NIR) fluorescence (λmax ≈ 720 nm) upon excitation of 800 nm light were developed. The key conjugated polymer enabled two-photon absorption and Förster resonance energy transfer (FRET) processes within the nanoprobes, which imparted the nanoprobes with ideal NIR-incoming-NIR-outgoing fluorescence features. The cancer cell membrane (CM) coating endowed these nanoprobes with perfect biocompatibility and highly specific targeting ability to homologous tumors. It was believed that CM encapsulation provided an additional protecting layer for the photoactive components residing in the core of nanoprobes for retaining their intrinsic fluorescing ability in the physiological milieu. The long-term structural integrity, excellent photostability (fluorescence decrease <10% upon 30 min illumination of 800 nm pulse laser), high NIR fluorescence quantum yield (∼20%), and long in vivo circulation time of the target nanoprobes were also confirmed. The ab...
| Authors: | Yanlin Lv; Ming Liu; Yong Zhang; Xuefei Wang; Fan Zhang; Feng Li; Wei-Er Bao; Jie Wang; Yuanlin Zhang; Wei Wei; Guanghui Ma; Liancheng Zhao; Zhiyuan Tian | |
| Journal: | ACS Nano | |
| Year: | 2018 | |
| DOI: | 10.1021/acsnano.7b07716 | |
| Publication date: | 19-Jan-2018 |
We recently generalized the formerly alignment-dependent multivariate image analysis applied to quantitative structure–activity relationships (MIA-QSAR) method through the application of the discrete Fourier transform (DFT), allowing for its application to noncongruent and structurally dive ... more
Proteomic Analysis of the Downstream Signaling Network of PARP1
Poly-ADP-ribosylation (PARylation) is a protein posttranslational modification (PTM) that is critically involved in many biological processes that are linked to cell stress responses. It is catalyzed by a class of enzymes known as poly-ADP-ribose polymerases (PARPs). In particular, PARP1 is ... more
Oxygen Activation and Energy Conservation by Cytochrome c Oxidase
This review focuses on the type A cytochrome c oxidases (CcO), which are found in all mitochondria and also in several aerobic bacteria. CcO catalyzes the respiratory reduction of dioxygen (O2) to water by an intriguing mechanism, the details of which are fairly well understood today as a r ... more
Rohm and Haas Powder Coatings is delighted to announce that its Reading, Pennsylvania, facility is the first site in the world to receive the RCMS® Site Certification awarded by the American Chemical Council (ACC). When Raj Gupta, Chairman and CEO of Rohm and Haas Company, became Chairman ... more
American Chemical Society Publications
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