FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W3112295741> ?p ?o ?g. }

• W3112295741 endingPage "119325" @default.
• W3112295741 startingPage "119325" @default.
• W3112295741 abstract "Novel nitrogen-doped carbon quantum dots (N-CQDs) were synthesized by a chemical oxidation method using medium-low temperature coal tar pitch as the raw material. Such quantum dots were developed as a highly sensitive fluorescent “on-off-on” switch sensor for the selective and simultaneous sensing of Cu2+ and Fe3+. The as-prepared N-CQDs, which emit blue light, were characterized by TEM images, FT-IR spectra, Raman spectroscopy, XPS analysis, fluorescence spectra, and UV–vis absorption spectra. The results showed that the N-CQDs exhibit outstanding optical properties and high optical stability within the pH range of 4–10, with a quantum yield of approximately 7%. Additionally, the material performed as an “on-off” sensor which can be dramatically extinguished by Cu2+ and Fe3+. A linear relationship between Cu2+ and Fe3+ ion concentration and fluorescence intensity was observed in the range from 0 to 50 μM. The limits of detection of the fluorescent sensor toward Cu2+ and Fe3+ were 0.16 μM and 0.173 μM, respectively. The Fe3+-quenched N-CQDs were restored after adding L-ascorbic acid, due to the redox reaction between Fe3+ and L-ascorbic acid, which resulted in the detachment of Fe3+ from the surface of the N-CQDs. The linear range for the detection of L-ascorbic acid was 0–28 μM. Therefore, the amount of L-ascorbic acid can be measured by using the sensing system consisting of Fe3+ and N-CQDs. In consequence, N-CQDs are considered an important material for the detection of Cu2+ and Fe3+ in water samples or L-ascorbic acid in drugs." @default.
• W3112295741 created "2020-12-21" @default.
• W3112295741 creator A5007766378 @default.
• W3112295741 creator A5026331897 @default.
• W3112295741 creator A5080542812 @default.
• W3112295741 date "2021-04-01" @default.
• W3112295741 modified "2023-10-04" @default.
• W3112295741 title "On-off-on nanosensors of carbon quantum dots derived from coal tar pitch for the detection of Cu2+, Fe3+, and L-ascorbic acid" @default.
• W3112295741 cites W1961027158 @default.
• W3112295741 cites W2056756992 @default.
• W3112295741 cites W2082885136 @default.
• W3112295741 cites W2086525767 @default.
• W3112295741 cites W2142097872 @default.
• W3112295741 cites W2151803725 @default.
• W3112295741 cites W2223933392 @default.
• W3112295741 cites W2232873266 @default.
• W3112295741 cites W2280582456 @default.
• W3112295741 cites W2327814051 @default.
• W3112295741 cites W2414070929 @default.
• W3112295741 cites W2485604451 @default.
• W3112295741 cites W2516517452 @default.
• W3112295741 cites W2611294099 @default.
• W3112295741 cites W2628198706 @default.
• W3112295741 cites W2748041919 @default.
• W3112295741 cites W2769587560 @default.
• W3112295741 cites W2789475942 @default.
• W3112295741 cites W2789562990 @default.
• W3112295741 cites W2791861066 @default.
• W3112295741 cites W2793165625 @default.
• W3112295741 cites W2793210233 @default.
• W3112295741 cites W2793236702 @default.
• W3112295741 cites W2805776397 @default.
• W3112295741 cites W2805901845 @default.
• W3112295741 cites W2883517280 @default.
• W3112295741 cites W2886831239 @default.
• W3112295741 cites W2888179373 @default.
• W3112295741 cites W2889909559 @default.
• W3112295741 cites W2894934628 @default.
• W3112295741 cites W2896948999 @default.
• W3112295741 cites W2900961574 @default.
• W3112295741 cites W2902247410 @default.
• W3112295741 cites W2906795945 @default.
• W3112295741 cites W2908464250 @default.
• W3112295741 cites W2910098362 @default.
• W3112295741 cites W2913916356 @default.
• W3112295741 cites W2915194057 @default.
• W3112295741 cites W2921297466 @default.
• W3112295741 cites W2921601508 @default.
• W3112295741 cites W2928663334 @default.
• W3112295741 cites W2930598452 @default.
• W3112295741 cites W2936129912 @default.
• W3112295741 cites W2936749629 @default.
• W3112295741 cites W2936768574 @default.
• W3112295741 cites W2941045258 @default.
• W3112295741 cites W2944075606 @default.
• W3112295741 cites W2971208197 @default.
• W3112295741 cites W2990371374 @default.
• W3112295741 cites W2995480306 @default.
• W3112295741 cites W3007629172 @default.
• W3112295741 cites W3020645654 @default.
• W3112295741 cites W3034616872 @default.
• W3112295741 doi "https://doi.org/10.1016/j.saa.2020.119325" @default.
• W3112295741 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/33418472" @default.
• W3112295741 hasPublicationYear "2021" @default.
• W3112295741 type Work @default.
• W3112295741 sameAs 3112295741 @default.
• W3112295741 citedByCount "23" @default.
• W3112295741 countsByYear W31122957412021 @default.
• W3112295741 countsByYear W31122957412022 @default.
• W3112295741 countsByYear W31122957412023 @default.
• W3112295741 crossrefType "journal-article" @default.
• W3112295741 hasAuthorship W3112295741A5007766378 @default.
• W3112295741 hasAuthorship W3112295741A5026331897 @default.
• W3112295741 hasAuthorship W3112295741A5080542812 @default.
• W3112295741 hasConcept C113196181 @default.
• W3112295741 hasConcept C119128265 @default.
• W3112295741 hasConcept C120665830 @default.
• W3112295741 hasConcept C121332964 @default.
• W3112295741 hasConcept C127413603 @default.
• W3112295741 hasConcept C13965031 @default.
• W3112295741 hasConcept C171001562 @default.
• W3112295741 hasConcept C171250308 @default.
• W3112295741 hasConcept C175708663 @default.
• W3112295741 hasConcept C178790620 @default.
• W3112295741 hasConcept C185592680 @default.
• W3112295741 hasConcept C192562407 @default.
• W3112295741 hasConcept C2986274086 @default.
• W3112295741 hasConcept C31903555 @default.
• W3112295741 hasConcept C40003534 @default.
• W3112295741 hasConcept C41858301 @default.
• W3112295741 hasConcept C42360764 @default.
• W3112295741 hasConcept C43617362 @default.
• W3112295741 hasConcept C62520636 @default.
• W3112295741 hasConcept C75473681 @default.
• W3112295741 hasConcept C91881484 @default.
• W3112295741 hasConceptScore W3112295741C113196181 @default.
• W3112295741 hasConceptScore W3112295741C119128265 @default.
• W3112295741 hasConceptScore W3112295741C120665830 @default.

• next