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Top-Down Nanofabrication and Characterization of 20 nm Silicon Nanowires for Biosensing Applications

Overview of attention for article published in PLOS ONE, March 2016
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Title
Top-Down Nanofabrication and Characterization of 20 nm Silicon Nanowires for Biosensing Applications
Published in
PLOS ONE, March 2016
DOI 10.1371/journal.pone.0152318
Pubmed ID
Authors

M. Nuzaihan M. N, U. Hashim, M. K. Md Arshad, A. Rahim Ruslinda, S. F. A. Rahman, M. F. M. Fathil, Mohd. H. Ismail

Abstract

A top-down nanofabrication approach is used to develop silicon nanowires from silicon-on-insulator (SOI) wafers and involves direct-write electron beam lithography (EBL), inductively coupled plasma-reactive ion etching (ICP-RIE) and a size reduction process. To achieve nanometer scale size, the crucial factors contributing to the EBL and size reduction processes are highlighted. The resulting silicon nanowires, which are 20 nm in width and 30 nm in height (with a triangular shape) and have a straight structure over the length of 400 μm, are fabricated precisely at the designed location on the device. The device is applied in biomolecule detection based on the changes in drain current (Ids), electrical resistance and conductance of the silicon nanowires upon hybridization to complementary target deoxyribonucleic acid (DNA). In this context, the scaled-down device exhibited superior performances in terms of good specificity and high sensitivity, with a limit of detection (LOD) of 10 fM, enables for efficient label-free, direct and higher-accuracy DNA molecules detection. Thus, this silicon nanowire can be used as an improved transducer and serves as novel biosensor for future biomedical diagnostic applications.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 115 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 115 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 34 30%
Student > Bachelor 22 19%
Student > Master 12 10%
Researcher 9 8%
Student > Doctoral Student 6 5%
Other 7 6%
Unknown 25 22%
Readers by discipline Count As %
Engineering 42 37%
Physics and Astronomy 17 15%
Materials Science 8 7%
Chemistry 7 6%
Biochemistry, Genetics and Molecular Biology 4 3%
Other 9 8%
Unknown 28 24%
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 30 March 2016.
All research outputs
#14,718,998
of 23,567,572 outputs
Outputs from PLOS ONE
#123,571
of 201,725 outputs
Outputs of similar age
#162,722
of 302,461 outputs
Outputs of similar age from PLOS ONE
#2,994
of 5,220 outputs
Altmetric has tracked 23,567,572 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 201,725 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 15.4. This one is in the 35th percentile – i.e., 35% 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 302,461 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 5,220 others from the same source and published within six weeks on either side of this one. This one is in the 37th percentile – i.e., 37% of its contemporaries scored the same or lower than it.