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Polymeric micelles with dual thermal and reactive oxygen species (ROS)-responsiveness for inflammatory cancer cell delivery

Overview of attention for article published in Journal of Nanobiotechnology, May 2017
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Title
Polymeric micelles with dual thermal and reactive oxygen species (ROS)-responsiveness for inflammatory cancer cell delivery
Published in
Journal of Nanobiotechnology, May 2017
DOI 10.1186/s12951-017-0275-4
Pubmed ID
Authors

Meiqiong Tang, Ping Hu, Qiang Zheng, Nicola Tirelli, Xiaohong Yang, Zhanlong Wang, Yanfang Wang, Qing Tang, Yun He

Abstract

The object of this study was to develop a thermally and reactive oxygen species-responsive nanocarrier system for cancer therapy. PPS-PNIPAm block copolymer was designed and synthesised using a combination of living anionic ring-opening polymerization and atom transfer radical polymerization. The synthesized polymer formed micellar aggregates in water and demonstrated dual responsiveness towards temperature and oxidants. Using doxorubicin (DOX) as a model drug, encapsulation and in vitro release of the drug molecules in PPS-PNIPAm nanocarriers confirmed the responsive release properties of such system. Cell uptake of the DOX loaded micelles was investigated with human breast cancer cell line (MCF-7). The results showed Dox-loaded micelles were able to be taken by the cells and mainly reside in the cytoplasma. In the stimulated cells with an elevated level of ROS, more released DOX was observed around the nuclei. In the cytotoxicity experiments, the Dox-loaded micelles demonstrated comparable efficacy to free DOX at higher concentrations, especially on ROS stimulated cells. These results demonstrated that PPS-PNIPAm nanocarriers possess the capability to respond two typical stimuli in inflammatory cells: temperature and oxidants and can be used in anticancer drug delivery.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 49 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 49 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 10 20%
Student > Bachelor 5 10%
Researcher 5 10%
Student > Master 5 10%
Student > Doctoral Student 3 6%
Other 6 12%
Unknown 15 31%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 10 20%
Chemistry 9 18%
Biochemistry, Genetics and Molecular Biology 5 10%
Agricultural and Biological Sciences 4 8%
Environmental Science 1 2%
Other 3 6%
Unknown 17 35%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 18 May 2017.
All research outputs
#20,421,487
of 22,973,051 outputs
Outputs from Journal of Nanobiotechnology
#1,233
of 1,429 outputs
Outputs of similar age
#270,385
of 310,607 outputs
Outputs of similar age from Journal of Nanobiotechnology
#12
of 14 outputs
Altmetric has tracked 22,973,051 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,429 research outputs from this source. They receive a mean Attention Score of 3.5. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 310,607 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 14 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.