2022
DOI: 10.1039/d2an00008c
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A bio-sensing surface with high biocompatibility for enhancing Raman scattering signals as enabled by a Mo–Ag film

Abstract: Biological surface-enhanced Raman scattering (SERS) sensing is dependent on the property of sensing surface. For biological sensing surfaces of SERS, hydrophilicity, biocompatibility and signal sensitivity are pivotal. Hence, a hard...

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Cited by 6 publications
(2 citation statements)
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“…The distinct SERS peaks of E. coli are observed at 791, 931, 1183, 1253, 1330, 1411, 1478, and 1633 cm –1 (Table S7), and these peaks represent nucleic acids (cytidine, uracil), DNA, ν­(C–C) in proteins, G (external ν­(C–N)), amide III, ν­(NH 2 ) adenine, polyadenine, DNA (bacteria), and δ­(CH) in nucleic acids; δ­(CH) in proteins; and δ­(CH 3 ) in lipids and purine A, G ring. The peak at 1253 cm –1 belongs to amide III of the bacteria surface, the peak at 1411 cm –1 belongs to the δ­(CH 3 ) (lipid) and amide δ­(CH) (protein) peaks, and the peak at 1633 cm –1 is a possible contribution from amide. In sum, the NWFs/Au–Ag sensor bridges the existing gap between the bodily strain detection and bio/chemical molecule recognition during the wearable sensing. In the future, such integrated and multifunctional sensing strategy is necessary for wearable, noninvasive, and simultaneous analysis of health and personalized medicine.…”
Section: Results and Discussionmentioning
confidence: 99%
“…The distinct SERS peaks of E. coli are observed at 791, 931, 1183, 1253, 1330, 1411, 1478, and 1633 cm –1 (Table S7), and these peaks represent nucleic acids (cytidine, uracil), DNA, ν­(C–C) in proteins, G (external ν­(C–N)), amide III, ν­(NH 2 ) adenine, polyadenine, DNA (bacteria), and δ­(CH) in nucleic acids; δ­(CH) in proteins; and δ­(CH 3 ) in lipids and purine A, G ring. The peak at 1253 cm –1 belongs to amide III of the bacteria surface, the peak at 1411 cm –1 belongs to the δ­(CH 3 ) (lipid) and amide δ­(CH) (protein) peaks, and the peak at 1633 cm –1 is a possible contribution from amide. In sum, the NWFs/Au–Ag sensor bridges the existing gap between the bodily strain detection and bio/chemical molecule recognition during the wearable sensing. In the future, such integrated and multifunctional sensing strategy is necessary for wearable, noninvasive, and simultaneous analysis of health and personalized medicine.…”
Section: Results and Discussionmentioning
confidence: 99%
“…[33,34] Due to the biocompatibility, hydrophilicity and particle formation of the Mo 1-x Ag x (18≤x≤58.9) system, it can be used to create an effective substrate for surface-enhanced Raman scattering. [32,[35][36][37] With high Ag contents (87 at%), the binary system is known to have strong light-trapping properties. [38] Segregation of noble metals to surfaces has been used in "chameleon coatings" with different matrix materials such as Yttrium [39] CrN [40,41] or MoN.…”
Section: Introductionmentioning
confidence: 99%