FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2938545978> ?p ?o ?g. }

• W2938545978 endingPage "6875" @default.
• W2938545978 startingPage "6864" @default.
• W2938545978 abstract "A rhodamine-based compound, 2-(2-((3-(tert-butyl)-2-hydroxybenzylidene)amino)ethyl)-3′-6′-bis(ethylamino)-2′,7′-dimethylspiro[indoline-1,9′-xanthen]-3-one, (HL-t-Bu), is reported here as a dual chemosensor for Zn2+ and Al3+ ions. This compound has been synthesized under mild conditions with high yield and characterized by elemental analysis and different standard spectroscopic methods. Its structure has been confirmed by single-crystal X-ray diffraction analysis. It acts as a fluorescent dual sensor for Zn2+ and Al3+ in 10 mM HEPES buffer in the methanol/water mixture (9:1, pH = 7.4) with well-separated excitation and emission wavelengths. The fluorescence intensity at 457 nm of HL-t-Bu increases by ∼7 folds in the presence of 1 equiv of Zn2+ when it is excited at 370 nm. With the excitation at 500 nm, the emission intensity of the probe at 550 nm increases massively (∼650 times) in the presence of 1 equiv of Al3+. No other metal has any significant effect on the enhancement of the emission intensity of the probe in the detection process for either of the metal ions. The quantum yield of HL-t-Bu enhances significantly in the presence of Zn2+ and Al3+. Rhodamine derivatives are generally colorless and nonfluorescent when the spirolactam ring is closed, and they are pink in color and highly fluorescent when it exists in the ring-open form. In the presence of Al3+, the probe is pink and highly fluorescent, indicating that this metal ion is able to the open spirolactam ring of the probe. However, Zn2+ is not able to open the spirolactam ring, but it is coordinated through phenolic oxygen and imine nitrogen (salicylaldehyde unit) of the Schiff base restricting PET (photoinduced electron transfer) and imposing CHEF (chelation-enhanced fluorescence) to enhance the emission intensity of the probe. 1H NMR, FT-IR, elemental analysis, and pH-dependent studies support these mechanisms. Limit of detection values are in the nanomolar range for both the metal ions, confirming very high sensitivity of the probe. The probe has been used in cell imaging studies for both of the metal ions." @default.
• W2938545978 created "2019-04-25" @default.
• W2938545978 creator A5027357265 @default.
• W2938545978 creator A5034921331 @default.
• W2938545978 creator A5049740675 @default.
• W2938545978 creator A5050816523 @default.
• W2938545978 creator A5068009220 @default.
• W2938545978 date "2019-04-16" @default.
• W2938545978 modified "2023-10-14" @default.
• W2938545978 title "Rhodamine-Based Dual Chemosensor for Al³⁺ and Zn²⁺ Ions with Distinctly Separated Excitation and Emission Wavelengths" @default.
• W2938545978 cites W1957692494 @default.
• W2938545978 cites W1969446123 @default.
• W2938545978 cites W1973115255 @default.
• W2938545978 cites W1977226974 @default.
• W2938545978 cites W1983474737 @default.
• W2938545978 cites W1991950902 @default.
• W2938545978 cites W1995265445 @default.
• W2938545978 cites W2007946927 @default.
• W2938545978 cites W2011817526 @default.
• W2938545978 cites W2029161731 @default.
• W2938545978 cites W2038556246 @default.
• W2938545978 cites W2040799170 @default.
• W2938545978 cites W2043986166 @default.
• W2938545978 cites W2046563833 @default.
• W2938545978 cites W2054566340 @default.
• W2938545978 cites W2059020082 @default.
• W2938545978 cites W2063334178 @default.
• W2938545978 cites W2067202732 @default.
• W2938545978 cites W2070283224 @default.
• W2938545978 cites W2071125532 @default.
• W2938545978 cites W2074536480 @default.
• W2938545978 cites W2079682511 @default.
• W2938545978 cites W2086916979 @default.
• W2938545978 cites W2094808560 @default.
• W2938545978 cites W2102255914 @default.
• W2938545978 cites W2114918609 @default.
• W2938545978 cites W2117140869 @default.
• W2938545978 cites W2122395516 @default.
• W2938545978 cites W2128553884 @default.
• W2938545978 cites W2144391591 @default.
• W2938545978 cites W2145538332 @default.
• W2938545978 cites W2167976374 @default.
• W2938545978 cites W2187193559 @default.
• W2938545978 cites W2287593498 @default.
• W2938545978 cites W2308487317 @default.
• W2938545978 cites W2321972685 @default.
• W2938545978 cites W2394939673 @default.
• W2938545978 cites W2519757530 @default.
• W2938545978 cites W2524366138 @default.
• W2938545978 cites W2548651147 @default.
• W2938545978 cites W2591409737 @default.
• W2938545978 cites W2616082673 @default.
• W2938545978 cites W2731427332 @default.
• W2938545978 cites W2737009811 @default.
• W2938545978 cites W2758432062 @default.
• W2938545978 cites W2763434265 @default.
• W2938545978 cites W2771421400 @default.
• W2938545978 cites W2783952463 @default.
• W2938545978 cites W2785872792 @default.
• W2938545978 cites W2789365385 @default.
• W2938545978 cites W2795396142 @default.
• W2938545978 cites W2801251557 @default.
• W2938545978 cites W2883155721 @default.
• W2938545978 cites W2884441821 @default.
• W2938545978 cites W2884872026 @default.
• W2938545978 cites W2889206735 @default.
• W2938545978 cites W2889462238 @default.
• W2938545978 cites W2892204087 @default.
• W2938545978 cites W4254836212 @default.
• W2938545978 doi "https://doi.org/10.1021/acsomega.9b00475" @default.
• W2938545978 hasPublicationYear "2019" @default.
• W2938545978 type Work @default.
• W2938545978 sameAs 2938545978 @default.
• W2938545978 citedByCount "70" @default.
• W2938545978 countsByYear W29385459782019 @default.
• W2938545978 countsByYear W29385459782020 @default.
• W2938545978 countsByYear W29385459782021 @default.
• W2938545978 countsByYear W29385459782022 @default.
• W2938545978 countsByYear W29385459782023 @default.
• W2938545978 crossrefType "journal-article" @default.
• W2938545978 hasAuthorship W2938545978A5027357265 @default.
• W2938545978 hasAuthorship W2938545978A5034921331 @default.
• W2938545978 hasAuthorship W2938545978A5049740675 @default.
• W2938545978 hasAuthorship W2938545978A5050816523 @default.
• W2938545978 hasAuthorship W2938545978A5068009220 @default.
• W2938545978 hasBestOaLocation W29385459781 @default.
• W2938545978 hasConcept C113196181 @default.
• W2938545978 hasConcept C121332964 @default.
• W2938545978 hasConcept C134121241 @default.
• W2938545978 hasConcept C145148216 @default.
• W2938545978 hasConcept C171001562 @default.
• W2938545978 hasConcept C178790620 @default.
• W2938545978 hasConcept C181500209 @default.
• W2938545978 hasConcept C185544564 @default.
• W2938545978 hasConcept C185592680 @default.
• W2938545978 hasConcept C191897082 @default.
• W2938545978 hasConcept C192562407 @default.
• W2938545978 hasConcept C199164860 @default.

• next