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. 2021 Nov 11;11:22387. doi: 10.1038/s41598-021-00914-2

Publisher Correction: Label-free fiber-optic spherical tip biosensor to enable picomolar-level detection of CD44 protein

Aliya Bekmurzayeva 1,2,✉,#, Zhannat Ashikbayeva 1,✉,#, Zhuldyz Myrkhiyeva 1, Aigerim Nugmanova 1, Madina Shaimerdenova 1, Takhmina Ayupova 1, Daniele Tosi 1,2
PMCID: PMC8586261  PMID: 34764321

Correction to: Scientific Reports 10.1038/s41598-021-99099-x, published online 1 October 2021

The original version of this Article contained an error in the legend of Figure 4 which was a duplication of the legend of Figure 5.

“The experimental setup used for the CD44 protein measurements using a fiber optic spherical tip-based biosensor. Surface functionalization steps are shown in the zoomed area. APTMS 3-(aminopropyl)trimethoxysilane, MUA 11-mercaptoundecanoic acid, EDC 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride, NHS N-hydroxysuccinimide, OBR optical backscatter reflectometry.”

now reads:

“Studying specificity of functionalized fiber optic tip biosensor for CD44 protein detection by measuring control proteins (IL-4 and thrombin). The reference protein concentration used was 6 pM. (a) Amplitude change of the sensors when measuring target protein vs. control proteins in different concentrations; (b) Response of the sensors normalized to their respective RI sensitivities.”

The original Article has been corrected.

Contributor Information

Aliya Bekmurzayeva, Email: abekmurzayeva@nu.edu.kz.

Zhannat Ashikbayeva, Email: zhashikbayeva@nu.edu.kz.


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