2022
DOI: 10.1016/j.arabjc.2022.104067
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A novel fluorescent aptasensor based on mesoporous silica nanoparticles for the selective detection of sulfadiazine in edible tissue

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Cited by 10 publications
(8 citation statements)
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“…Because of their structural similarity to SDZ, SMZ or SQX resulted in weak and unstable non-specific binding to aptamers in the absence of SDZ. 25 However, their fluorescence responses were much lower than the changes induced by SDZ at the same concentration, indicating that the aptasensor has high specificity for SDZ.…”
Section: Resultsmentioning
confidence: 98%
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“…Because of their structural similarity to SDZ, SMZ or SQX resulted in weak and unstable non-specific binding to aptamers in the absence of SDZ. 25 However, their fluorescence responses were much lower than the changes induced by SDZ at the same concentration, indicating that the aptasensor has high specificity for SDZ.…”
Section: Resultsmentioning
confidence: 98%
“…The SDZ-binding aptamer of the sequence 5 0 -AACCCAATGGGAT-3 0 was screened in our laboratory. 25 The aptamer, random ssDNA that does not bind SDZ (16 nt), RhoB and 1Â PBS were purchased from Biotechnology Co. Ltd (Shanghai, China). HAuCl 4 Á4H 2 O was obtained from Sigma-Aldrich (St. Louis, MO, USA).…”
Section: Materials and Chemicalsmentioning
confidence: 99%
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“…Equilibrium was achieved under a constant particle number, volume and temperature, as well as optimal isothermal and isobaric conditions [ 21 , 22 ]. The SMZ1S-SMZ complex was then subjected to 60 ns implicit solvent model molecular dynamics (MD) simulations, and the resulting structurally stable complexes were subjected to explicit solvent model molecular dynamics simulations.…”
Section: Methodsmentioning
confidence: 99%
“…[13][14][15][16] In the previous studies, fluorescent aptamer sensors were applied to detect sulfonamides in food and environment samples. [17][18][19] Carbon dots (CDs) are a new class of optical nanomaterials, which have broad application prospects. Because of their unique fluorescence performance, low cytotoxicity and easy preparation, they are widely used in biomedicine and food detection.…”
Section: Introductionmentioning
confidence: 99%