000 03639nlm1a2200481 4500
001 664300
005 20231030041924.0
035 _a(RuTPU)RU\TPU\network\35484
090 _a664300
100 _a20210407a2020 k y0engy50 ba
101 0 _aeng
102 _aUS
135 _adrcn ---uucaa
181 0 _ai
182 0 _ab
200 1 _aApplication of a 2D Molybdenum Telluride in SERS Detection of Biorelevant Molecules
_fJ. P. Fraser, P. S. Postnikov, E. V. Milyutina (Miliutina) [et al.]
203 _aText
_celectronic
300 _aTitle screen
320 _a[References: 53 tit.]
330 _aTwo-dimensional (2D) transition-metal dichalcogenides have become promising candidates for surface-enhanced Raman spectroscopy (SERS), but currently very few examples of detection of relevant molecules are available. Herein, we show the detection of the lipophilic disease marker ?-sitosterol on few-layered MoTe2 films. The chemical vapor deposition (CVD)-grown films are capable of nanomolar detection, exceeding the performance of alternative noble-metal surfaces. We confirm that the enhancement occurs through the chemical enhancement (CE) mechanism via formation of a surface–analyte complex, which leads to an enhancement factor of ?104, as confirmed by Fourier transform infrared (FTIR), UV–vis, and cyclic voltammetry (CV) analyses and density functional theory (DFT) calculations. Low values of signal deviation over a seven-layered MoTe2 film confirms the homogeneity and reproducibility of the results in comparison to noble-metal substrate analogues. Furthermore, ?-sitosterol detection within cell culture media, a minimal loss of signal over 50 days, and the opportunity for sensor regeneration suggest that MoTe2 can become a promising new SERS platform for biosensing.
333 _aРежим доступа: по договору с организацией-держателем ресурса
461 _tACS Applied Materials and Interfaces
463 _tVol. 12, iss. 42
_v[P. 47774–47783]
_d2020
610 1 _aэлектронный ресурс
610 1 _aтруды учёных ТПУ
610 1 _aMoTe2
610 1 _aSERS
610 1 _asensing
610 1 _achemical enhancement
610 1 _aβ-sitosterol
701 1 _aFraser
_bJ. P.
_gJames
701 1 _aPostnikov
_bP. S.
_corganic chemist
_cAssociate Professor of Tomsk Polytechnic University, Candidate of chemical sciences
_f1984-
_gPavel Sergeevich
_2stltpush
_3(RuTPU)RU\TPU\pers\31287
701 1 _aMilyutina (Miliutina)
_bE. V.
_cchemical technologist
_cengineer of Tomsk Polytechnic University
_f1991-
_gElena Vadimovna
_2stltpush
_3(RuTPU)RU\TPU\pers\46756
701 1 _aKolska
_bZ.
_gZdenka
701 1 _aValiev
_bR. R.
_cchemist
_cAssistant of Tomsk Polytechnic University
_f1983-
_gRashid Rinatovich
_2stltpush
_3(RuTPU)RU\TPU\pers\34114
701 1 _aSvorcik
_bV.
_gVaclav
701 1 _aLyutakov
_bO.
_cchemist-technologist
_cAssociate Scientist of Tomsk Polytechnic University
_f1982-
_gOleksy
_2stltpush
_3(RuTPU)RU\TPU\pers\36875
701 1 _aGanin
_bA. Y.
_gAlexey
701 1 _aGuselnikova
_bO. A.
_cchemist
_cengineer of Tomsk Polytechnic University
_f1992-
_gOlga Andreevna
_2stltpush
_3(RuTPU)RU\TPU\pers\34478
712 0 2 _aНациональный исследовательский Томский политехнический университет
_bИсследовательская школа химических и биомедицинских технологий
_c(2017- )
_h8120
_2stltpush
_3(RuTPU)RU\TPU\col\23537
801 2 _aRU
_b63413507
_c20210409
_gRCR
856 4 _uhttps://doi.org/10.1021/acsami.0c11231
942 _cCF