Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents
The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's co...
Ausführliche Beschreibung
Autor*in: |
Hwang, Jiyoung [verfasserIn] Reddy, T. Sheshashena [verfasserIn] Moon, Hyungkyu [verfasserIn] Lee, Hae Dong [verfasserIn] Choi, Myung-Seok [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Dyes and pigments - Amsterdam [u.a.] : Elsevier Science, 1980, 215 |
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Übergeordnetes Werk: |
volume:215 |
DOI / URN: |
10.1016/j.dyepig.2023.111243 |
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Katalog-ID: |
ELV010094768 |
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520 | |a The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. | ||
650 | 4 | |a Dicyanovinylporphyrin | |
650 | 4 | |a Cyanide ion | |
650 | 4 | |a Fluorescent sensor | |
650 | 4 | |a Electron-donating/withdrawing | |
700 | 1 | |a Reddy, T. Sheshashena |e verfasserin |4 aut | |
700 | 1 | |a Moon, Hyungkyu |e verfasserin |4 aut | |
700 | 1 | |a Lee, Hae Dong |e verfasserin |4 aut | |
700 | 1 | |a Choi, Myung-Seok |e verfasserin |4 aut | |
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912 | |a GBV_ILN_2048 | ||
912 | |a GBV_ILN_2049 | ||
912 | |a GBV_ILN_2050 | ||
912 | |a GBV_ILN_2055 | ||
912 | |a GBV_ILN_2056 | ||
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912 | |a GBV_ILN_2336 | ||
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912 | |a GBV_ILN_4242 | ||
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912 | |a GBV_ILN_4323 | ||
912 | |a GBV_ILN_4324 | ||
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912 | |a GBV_ILN_4333 | ||
912 | |a GBV_ILN_4334 | ||
912 | |a GBV_ILN_4338 | ||
912 | |a GBV_ILN_4393 | ||
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publishDate |
2023 |
allfields |
10.1016/j.dyepig.2023.111243 doi (DE-627)ELV010094768 (ELSEVIER)S0143-7208(23)00168-7 DE-627 ger DE-627 rda eng 660 VZ 58.26 bkl Hwang, Jiyoung verfasserin aut Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. Dicyanovinylporphyrin Cyanide ion Fluorescent sensor Electron-donating/withdrawing Reddy, T. Sheshashena verfasserin aut Moon, Hyungkyu verfasserin aut Lee, Hae Dong verfasserin aut Choi, Myung-Seok verfasserin aut Enthalten in Dyes and pigments Amsterdam [u.a.] : Elsevier Science, 1980 215 Online-Ressource (DE-627)306658755 (DE-600)1500382-6 (DE-576)116550910 0143-7208 nnns volume:215 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.26 Technologie der Farben und Lacke VZ AR 215 |
spelling |
10.1016/j.dyepig.2023.111243 doi (DE-627)ELV010094768 (ELSEVIER)S0143-7208(23)00168-7 DE-627 ger DE-627 rda eng 660 VZ 58.26 bkl Hwang, Jiyoung verfasserin aut Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. Dicyanovinylporphyrin Cyanide ion Fluorescent sensor Electron-donating/withdrawing Reddy, T. Sheshashena verfasserin aut Moon, Hyungkyu verfasserin aut Lee, Hae Dong verfasserin aut Choi, Myung-Seok verfasserin aut Enthalten in Dyes and pigments Amsterdam [u.a.] : Elsevier Science, 1980 215 Online-Ressource (DE-627)306658755 (DE-600)1500382-6 (DE-576)116550910 0143-7208 nnns volume:215 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.26 Technologie der Farben und Lacke VZ AR 215 |
allfields_unstemmed |
10.1016/j.dyepig.2023.111243 doi (DE-627)ELV010094768 (ELSEVIER)S0143-7208(23)00168-7 DE-627 ger DE-627 rda eng 660 VZ 58.26 bkl Hwang, Jiyoung verfasserin aut Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. Dicyanovinylporphyrin Cyanide ion Fluorescent sensor Electron-donating/withdrawing Reddy, T. Sheshashena verfasserin aut Moon, Hyungkyu verfasserin aut Lee, Hae Dong verfasserin aut Choi, Myung-Seok verfasserin aut Enthalten in Dyes and pigments Amsterdam [u.a.] : Elsevier Science, 1980 215 Online-Ressource (DE-627)306658755 (DE-600)1500382-6 (DE-576)116550910 0143-7208 nnns volume:215 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.26 Technologie der Farben und Lacke VZ AR 215 |
allfieldsGer |
10.1016/j.dyepig.2023.111243 doi (DE-627)ELV010094768 (ELSEVIER)S0143-7208(23)00168-7 DE-627 ger DE-627 rda eng 660 VZ 58.26 bkl Hwang, Jiyoung verfasserin aut Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. Dicyanovinylporphyrin Cyanide ion Fluorescent sensor Electron-donating/withdrawing Reddy, T. Sheshashena verfasserin aut Moon, Hyungkyu verfasserin aut Lee, Hae Dong verfasserin aut Choi, Myung-Seok verfasserin aut Enthalten in Dyes and pigments Amsterdam [u.a.] : Elsevier Science, 1980 215 Online-Ressource (DE-627)306658755 (DE-600)1500382-6 (DE-576)116550910 0143-7208 nnns volume:215 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.26 Technologie der Farben und Lacke VZ AR 215 |
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10.1016/j.dyepig.2023.111243 doi (DE-627)ELV010094768 (ELSEVIER)S0143-7208(23)00168-7 DE-627 ger DE-627 rda eng 660 VZ 58.26 bkl Hwang, Jiyoung verfasserin aut Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. Dicyanovinylporphyrin Cyanide ion Fluorescent sensor Electron-donating/withdrawing Reddy, T. Sheshashena verfasserin aut Moon, Hyungkyu verfasserin aut Lee, Hae Dong verfasserin aut Choi, Myung-Seok verfasserin aut Enthalten in Dyes and pigments Amsterdam [u.a.] : Elsevier Science, 1980 215 Online-Ressource (DE-627)306658755 (DE-600)1500382-6 (DE-576)116550910 0143-7208 nnns volume:215 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.26 Technologie der Farben und Lacke VZ AR 215 |
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660 VZ 58.26 bkl Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents Dicyanovinylporphyrin Cyanide ion Fluorescent sensor Electron-donating/withdrawing |
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Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents |
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Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents |
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Hwang, Jiyoung Reddy, T. Sheshashena Moon, Hyungkyu Lee, Hae Dong Choi, Myung-Seok |
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cyanide detecting porphyrin fluorescent sensors: effects of electron-donating/withdrawing substituents |
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Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents |
abstract |
The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. |
abstractGer |
The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. |
abstract_unstemmed |
The detection of cyanide (CN−) and other dangerous chemicals is critical in many practical scenarios. In this study, dicyanovinylporphyrins (DCVPs) 2a to 2d with electron-donating or electron-withdrawing substituents as fluorescent sensors for CN− detection were synthesized through Lindsay's condensation reaction. The 2a to 2d absorption, fluorescence, and fluorescence lifetimes of the DCVPs were investigated in THF. To probe the reactivity of DCVPs to CN−, the electron density of β-carbon in their dicyanovinyl groups was controlled by introducing electron-donating or electron-withdrawing groups. The anion (Cl−, Br−, I−, ClO4 −, HSO4 −, NO3 −, and CN−) sensing abilities of DCVPs 2a to 2d were investigated through fluorescence spectroscopy in THF. The DCVPs exhibited selective reduction in fluorescence intensity upon the addition of CN−ions. DCVP 2d also exhibited strong detection capabilities for CN−ions. Specifically detection limit for CN− was found to be 3.14 × 10−8 M in THF. |
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title_short |
Cyanide detecting porphyrin fluorescent sensors: Effects of electron-donating/withdrawing substituents |
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Reddy, T. Sheshashena Moon, Hyungkyu Lee, Hae Dong Choi, Myung-Seok |
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