Novel rhodamine probe for colorimetric and fluorescent detection of Fe3+ ions in aqueous media with cellular imaging

Shellaiah, Muthaiah; Thirumalaivasan, Natesan; Aazaad, Basheer; Awasthi, Kamlesh; Sun, Kien-Wen; Wu, Shu-Pao; Lin, Ming‐Chang; Ohta, Nobuhiro

doi:10.1016/j.saa.2020.118757

Cited by 52 publications

(30 citation statements)

References 55 publications

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“…In general, the diamond-based electrode is able to carry out detection down to picomolar level with wide linearity, which is comparable to other existing sensing tactics, such as organic probes, nanoparticles, quantum dots, nanoclusters, carbon dots, etc. [ 137 , 138 , 139 , 140 , 141 , 142 , 143 , 144 ].…”

Section: Advantagesmentioning

confidence: 99%

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Shellaiah

Sun

2021

Nanomaterials

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Diamond electrodes have long been a well-known candidate in electrochemical analyte detection. Nano- and micro-level modifications on the diamond electrodes can lead to diverse analytical applications. Doping of crystalline diamond allows the fabrication of suitable electrodes towards specific analyte monitoring. In particular, boron-doped diamond (BDD) electrodes have been reported for metal ions, anions, biomolecules, drugs, beverage hazards, pesticides, organic molecules, dyes, growth stimulant, etc., with exceptional performance in discriminations. Therefore, numerous reviews on the diamond electrode-based sensory utilities towards the specified analyte quantifications were published by many researchers. However, reviews on the nanodiamond-based electrodes for metal ions and anions are still not readily available nowadays. To advance the development of diamond electrodes towards the detection of diverse metal ions and anions, it is essential to provide clear and focused information on the diamond electrode synthesis, structure, and electrical properties. This review provides indispensable information on the diamond-based electrodes towards the determination of metal ions and anions.

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Section: Advantagesmentioning

confidence: 99%

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Shellaiah

Sun

2021

Nanomaterials

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“…For example, Sun et al designed a rhodamine−pyridine conjugated spectroscopic probe for Fe 3+ , which displayed a distinct pale pink colorimetric and "turn-on" fluorescent response. 33 Therefore, we focused on developing a rhodamine derivative for the selective sensing of Fe 3+ . Herein, a novel rhodamine Bethylenediamine (RhB-EDA) fluorescent probe was prepared by coupling an EDA molecule to RhB via an amidation reaction for high recognition for Fe 3+ in the water environment.…”

Section: Introductionmentioning

confidence: 99%

Facile Preparation of a Rhodamine B Derivative-Based Fluorescent Probe for Visual Detection of Iron Ions

Qin

Liu

et al. 2021

ACS Omega

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Iron ions play an important role in our lives. Excessive or lack of iron ion intake leads to many diseases. At the same time, the water environment is easily polluted by these metal ions with the acceleration of industrialization. Therefore, the detection of iron ions in the water environment and the human body is particularly important. In this paper, we prepared a RhB-EDA fluorescent probe by condensing rhodamine B (RhB) with ethylenediamine (EDA) for high recognition of Fe3+. A RhB-EDA molecule itself is colorless and has no fluorescence emission in an alcohol solution. When Fe3+ was added, the lactam ring structure of the fluorescent probe opened, and the UV and fluorescence spectra changed. At the same time, the color of the mixed solution gradually deepened toward pink. Therefore, dual spectral detection and naked-eye observation of Fe3+ were realized. In addition, with the decrease of the pH value and the prolongation of chelating time, the ultraviolet absorbance and fluorescence emission intensity were enhanced and the color of the mixed solution deepened. The RhD-EDA fluorescent probe is simple and accurate and provides good technical support for the detection of Fe3+.

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“…According to the structural characteristics of the analyte, the design of fluorescent molecules is crucial. Specific recognition units are introduced, such as N -containing heterocyclic compounds such as quinoline [ 22 ], imidazole [ 23 , 24 ], and carbazole [ 25 ], to provide a definite binding site for metal ion as analyte. Using the availability, strong polarization, and π–π electron transition function of the conjugate system to ensure its energy transfer or electron transfer [ 26 ], the multifunctional probe may be constructed.…”

Section: Introductionmentioning

confidence: 99%

Preparation of Large Conjugated Polybenzimidazole Fluorescent Materials and Their Application in Metal Ion Detection

et al. 2021

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A new type of conjugated polybenzimidazole (CPBI) was synthesized through a simple polycondensation reaction without metal catalysis, and N-alkylation modification was carried out to solve the problems of solubility and fluorescence properties. A series of nano-microsphere polymers CPBIn with large conjugation, good solubility, and strong fluorescence has been successfully used as “turn-off” fluorescent probes for the first time. The results show that, under suitable N-alkylation conditions, the obtained CPBIn can be used as a highly sensitive and selective fluorescent probe for the detection of Cu2+ and Zn2+ at the same time, and their detection limits are both nM levels. In addition, CPBI2 can be designed as an ultra-sensitive IMPLICATION logic gate at the molecular level, cyclically detecting Cu2+. With the test paper containing CPBI2, easy and quick on-site detection can be achieved. This research provides a new idea for the brief synthesis of multifunctional materials.

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Novel rhodamine probe for colorimetric and fluorescent detection of Fe3+ ions in aqueous media with cellular imaging

Cited by 52 publications

References 55 publications

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Diamond-Based Electrodes for Detection of Metal Ions and Anions

Facile Preparation of a Rhodamine B Derivative-Based Fluorescent Probe for Visual Detection of Iron Ions

Preparation of Large Conjugated Polybenzimidazole Fluorescent Materials and Their Application in Metal Ion Detection

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