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Versatile SERS sensing based on black silicon

Overview of attention for article published in Optics Express Online, March 2015
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Title
Versatile SERS sensing based on black silicon
Published in
Optics Express Online, March 2015
DOI 10.1364/oe.23.006763
Pubmed ID
Authors

Gediminas Seniutinas, Gediminas Gervinskas, Roli Verma, Banshi D. Gupta, Florian Lapierre, Paul R. Stoddart, Felix Clark, Sally L. McArthur, Saulius Juodkazis

Abstract

Black Si (b-Si) with gold or silver metal coating has been shown to be an extremely effective substrate for surface-enhanced Raman scattering (SERS). Here, we demonstrate that it is also a highly versatile SERS platform, as it supports a wide range of surface functionalizations. In particular, we report the use of a molecularly imprinted polymer (MIP) coating and a hydrophobic coating on b-Si to establish two different sensing modalities. First, using a MIP layer on Au-coated b-Si, we show selective sensing of two closely related varieties of tetracycline. Second, a hydrophobic coating was used to concentrate the analyte adsorbed on gold colloidal nanoparticles, thus increasing the sensitivity of the measurement by an order of magnitude. In this experiment, Au nanoparticles and analyte were mixed just before SERS measurements and were concentrated by drop-drying on the super-hydrophobic b-Si. These approaches are promising for SERS measurements that are sensitive to the aging of bare plasmonic metal-coated substrates.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 58 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Poland 2 3%
Spain 1 2%
Japan 1 2%
Unknown 54 93%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 16 28%
Researcher 8 14%
Student > Master 7 12%
Student > Bachelor 6 10%
Professor 4 7%
Other 8 14%
Unknown 9 16%
Readers by discipline Count As %
Chemistry 15 26%
Engineering 12 21%
Physics and Astronomy 9 16%
Materials Science 7 12%
Biochemistry, Genetics and Molecular Biology 3 5%
Other 1 2%
Unknown 11 19%
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 07 March 2015.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from Optics Express Online
#11,660
of 14,571 outputs
Outputs of similar age
#201,503
of 272,755 outputs
Outputs of similar age from Optics Express Online
#264
of 331 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 14,571 research outputs from this source. They receive a mean Attention Score of 4.8. This one is in the 13th percentile – i.e., 13% 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 272,755 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 331 others from the same source and published within six weeks on either side of this one. This one is in the 14th percentile – i.e., 14% of its contemporaries scored the same or lower than it.