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Detection of residual rifampicin in urine via fluorescence quenching of gold nanoclusters on paper

Overview of attention for article published in Journal of Nanobiotechnology, June 2015
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Title
Detection of residual rifampicin in urine via fluorescence quenching of gold nanoclusters on paper
Published in
Journal of Nanobiotechnology, June 2015
DOI 10.1186/s12951-015-0105-5
Pubmed ID
Authors

Krishnendu Chatterjee, Chiung Wen Kuo, Ann Chen, Peilin Chen

Abstract

Rifampicin or rifampin (R) is a common drug used to treat inactive meningitis, cholestatic pruritus and tuberculosis (TB), and it is generally prescribed for long-term administration under regulated dosages. Constant monitoring of rifampicin is important for controlling the side effects and preventing overdose caused by chronic medication. In this study, we present an easy to use, effective and less costly method for detecting residual rifampicin in urine samples using protein (bovine serum albumin, BSA)-stabilized gold nanoclusters (BSA-Au NCs) adsorbed on a paper substrate in which the concentration of rifampicin in urine can be detected via fluorescence quenching. The intensity of the colorimetric assay performed on the paper-based platforms can be easily captured using a digital camera and subsequently analyzed. The decreased fluorescence intensity of BSA-Au NCs in the presence of rifampicin allows for the sensitive detection of rifampicin in a range from 0.5 to 823 µg/mL. The detection limit for rifampicin was measured as 70 ng/mL. The BSA-Au NCs were immobilized on a wax-printed paper-based platform and used to conduct real-time monitoring of rifampicin in urine. We have developed a robust, cost-effective, and portable point-of-care medical diagnostic platform for the detection of rifampicin in urine based on the ability of rifampicin to quench the fluorescence of immobilized BSA-Au NCs on wax-printed papers. The paper-based assay can be further used for the detection of other specific analytes via surface modification of the BSA in BSA-Au NCs and offers a useful tool for monitoring other diseases.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 47 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 47 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 7 15%
Student > Ph. D. Student 6 13%
Researcher 5 11%
Other 3 6%
Student > Doctoral Student 2 4%
Other 6 13%
Unknown 18 38%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 6 13%
Agricultural and Biological Sciences 5 11%
Chemistry 5 11%
Pharmacology, Toxicology and Pharmaceutical Science 2 4%
Chemical Engineering 2 4%
Other 6 13%
Unknown 21 45%
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 16 March 2016.
All research outputs
#17,285,668
of 25,373,627 outputs
Outputs from Journal of Nanobiotechnology
#816
of 1,920 outputs
Outputs of similar age
#165,540
of 278,180 outputs
Outputs of similar age from Journal of Nanobiotechnology
#9
of 13 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,920 research outputs from this source. They receive a mean Attention Score of 3.7. This one is in the 49th percentile – i.e., 49% 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 278,180 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 13 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.