دورية أكاديمية
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A New, Extremely Sensitive, Turn-Off Optical Sensor Utilizing Schiff Base for Fast Detection of Cu(II).

التفاصيل البيبلوغرافية
العنوان: A New, Extremely Sensitive, Turn-Off Optical Sensor Utilizing Schiff Base for Fast Detection of Cu(II).
المؤلفون: Aroua LM; Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia.; Laboratory of Structural Organic Chemistry-Synthesis and Physicochemical Studies (LR99ES14), Department of Chemistry, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis 2092, Tunisia.; Faculty of Sciences of Bizerte, Carthage University, Jarzouna, Bizerte 7021, Tunisia., Ali R; Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia.; Chemistry Department, Faculty of Science, Suez University, Suez 43518, Egypt., Albadri AEAE; Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia., Messaoudi S; Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia.; Faculty of Sciences of Bizerte, Carthage University, Jarzouna, Bizerte 7021, Tunisia., Alminderej FM; Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia., Saleh SM; Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia.; Chemistry Branch, Department of Science and Mathematics, Faculty of Petroleum and Mining Engineering, Suez University, Suez 43721, Egypt.
المصدر: Biosensors [Biosensors (Basel)] 2023 Mar 08; Vol. 13 (3). Date of Electronic Publication: 2023 Mar 08.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Pub Country of Publication: Switzerland NLM ID: 101609191 Publication Model: Electronic Cited Medium: Internet ISSN: 2079-6374 (Electronic) Linking ISSN: 20796374 NLM ISO Abbreviation: Biosensors (Basel) Subsets: MEDLINE
أسماء مطبوعة: Original Publication: Basel, Switzerland : MDPI Pub.
مواضيع طبية MeSH: Schiff Bases*/chemistry , Fluorescent Dyes*/chemistry, Spectrometry, Fluorescence ; Copper/chemistry ; Metals ; Ions
مستخلص: Throughout this research, a unique optical sensor for detecting one of the most dangerous heavy metal ions, Cu(II), was designed and developed. The (4-mercaptophenyl) iminomethylphenyl naphthalenyl carbamate (MNC) sensor probe was effectively prepared. The Schiff base of the sensor shows a "turn-off" state with excellent sensitivity to Cu(II) ions. This innovative fluorescent chemosensor possesses distinctive optical features with a substantial Stocks shift (about 114 nm). In addition, MNC has remarkable selectivity for Cu(II) relative to other cations. Density functional theory (DFT) and the time-dependent DFT (TDDFT) theoretical calculations were performed to examine Cu(II) chelation structures and associated electronic properties in solution, and the results indicate that the luminescence quenching in this complex is due to ICT. Chelation-quenched fluorescence is responsible for the internal charge transfer (ICT)-based selectivity of the MNC sensing molecule for Cu(II) ions. In a 1:9 ( v / v ) DMSO-HEPES buffer (20 mM, pH = 7.4) solution, Fluorescence and UV-Vis absorption of the MNC probe and Cu(II) ions were investigated. By utilizing a solution containing several metal ions, the interference of other metal ions was studied. This MNC molecule has outstanding selectivity and sensitivity, as well as a low LOD (1.45 nM). Consequently, these distinctive properties enable it to find the copper metal ions across an actual narrow dynamic range (0-1.2 M Cu(II)). The reversibility of the sensor was obtained by employing an EDTA as a powerful chelating agent.
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فهرسة مساهمة: Keywords: chemical analysis; copper; fluorescence; optical properties; sensor; synthesis
المشرفين على المادة: 0 (Schiff Bases)
0 (Fluorescent Dyes)
789U1901C5 (Copper)
0 (Metals)
0 (Ions)
تواريخ الأحداث: Date Created: 20230329 Date Completed: 20230330 Latest Revision: 20230331
رمز التحديث: 20231215
مُعرف محوري في PubMed: PMC10046006
DOI: 10.3390/bios13030359
PMID: 36979571
قاعدة البيانات: MEDLINE
الوصف
تدمد:2079-6374
DOI:10.3390/bios13030359