Fluorescence study of 5-nitroisatin Schiff base immobilized on SBA-15 for sensing Fe3+

Fahmi, Muhammad Riza Ghulam; Fajar, Adroit T. N.; Roslan, Nurliana; Yuliati, Leny; Fadlan, Arif; Santoso, Mardi; Lintang, Hendrik Oktendy

doi:10.1515/chem-2019-0053

Cited by 10 publications

(4 citation statements)

References 58 publications

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“… Fluorescence probe Structure Fe 3+ Hg 2+ Detection limit (mol L −1 ) Logic gate Ref. no SBA-functionalized by calixarene × ✓ 3.3 × 10 –7 × 58 MCM-3T × ✓ 8.0 × 10 –6 × 59 SBA-15/ APTES-NH ✓ × 1.49 × 10 –3 × 60 PyU-SBA-15 × ✓ 9.92 × 10 –8 × 61 g-C 3 N 4 ✓ ✓ Fe 3+ = 1.9 × 10 –7 Hg 2+ = 1.2 × 10 –8 × 62 LUS-Pr-DAN ✓ ✓ Fe 3+ = 1.3 × 10 –7 Hg 2+ = 8.5 × 10 –8 ✓ This work …”

Section: Resultsmentioning

confidence: 99%

Diaminonaphthalene functionalized LUS-1 as a fluorescence probe for simultaneous detection of Hg2+ and Fe3+ in Vetiver grass and Spinach

Nouri,

Hajiaghababaei,

Badiei

et al. 2024

Sci Rep

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One of the important problems in the environment is heavy metal pollution, and fluorescence is one of the best methods for their detection due to its sensitivity, selectivity, and relatively rapid and easy operation. In this study, 1,8-diaminonaphthalene functionalized super-stable mesoporous silica (DAN-LUS-1) was synthesized and used as a fluorescence probe to identify Hg2+ and Fe3+ in food samples. The TGA and FT-IR spectra illustrated that 1,8-diaminonaphthalene was grafted into LUS-1. XRD patterns verified that the LUS-1 and functionalized mesoporous silica have a hexagonal symmetrical array of nano-channels. SEM images showed that the rod-like morphology of LUS-1 was preserved in DAN-LUS-1. Also, surface area and pore diameter decreased from 824 m2 g⁻1 and 3.61 nm for the pure LUS-1 to 748 m2 g⁻1 and 3.43 nm for the DAN-LUS-1, as determined by N₂ adsorption–desorption isotherms. This reduction demonstrated that 1,8-diaminonaphthalene immobilized into the pore of LUS-1. The DAN-LUS-1 fluorescence properties as a chemical sensor were studied with a 340/407 nm excitation/emission wavelength that was quenched by Hg2+ and Fe3+ ions. Hg2+ and Fe3+ were quantified using the fluorescence response in the working range 8.25–13.79 × 10–6 and 3.84–10.71 × 10–6 mol/L, with detection limits of 8.5 × 10–8 M and 1.3 × 10–7 M, respectively. Hg2+ and Fe3+ were measured in vetiver grass and spinach. Since the Fe3+ quenching can move in the opposite direction with sodium hexametaphosphate (SHMP) as a hiding compound for Fe3+, consequently, the circuit logic system was established with Fe3+, Hg2+, and SHMP as inputs and the fluorescent quench as the output.

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Section: Resultsmentioning

confidence: 99%

Diaminonaphthalene functionalized LUS-1 as a fluorescence probe for simultaneous detection of Hg2+ and Fe3+ in Vetiver grass and Spinach

Nouri,

Hajiaghababaei,

Badiei

et al. 2024

Sci Rep

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“…The valeraldehyde compound has a hydrazone bonding chain or group. There have been no reports of antibacterial activity for these compounds, but many of the compounds containing the hydrazone chain have antibacterial activity [32], and some antibacterial sources currently used in medicine are known to contain hydrazide-hydrazone moieties [33]. Valeraldehyde belongs to the flavonoid group [34].…”

Section: Resultsmentioning

confidence: 99%

Study of The Potential Compound on Leaves of Syzygium samarangense as An Antibacterial to Streptococcus pneumoniae

2023

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Pneumonia is one of the respiratory infections caused by Streptococcus pneumoniae. Bacterial resistance problems regarding the treatment of pneumonia can be overcome by exploring active compounds in plants that have potential as antibacterials, one of which is water guava (Syzygium samarangense). This study aims to discover active compounds with the antibacterial potential of S. pneumoniae from water guava leaves (S. samarangense). This study was conducted in September 2022 at Universitas Negeri Surabaya with in silico method (blind molecular docking). The method used in this study was in silico approach, including the collection of proteins and compounds, preparation of proteins and ligands, minimization of compounds, blind molecular docking, and visualization of the results of molecular docking. The results showed that the value of binding affinity and RMSD of PBP-2X protein (PDB ID: 1QME) which binds to 1-methyl ethyl acetate, valeraldehyde, and dibutyl phthalate was -5.6 KJ/mol and 2.575 Å, -5 KJ/mol and 1.373 Å, and -6.7 KJ/mol and 1.637 Å, respectively. The result indicates that the selected compounds have the potential as antibacterial to S. pneumoniae. In the near future, this study requires further in vitro and in vivo testing as a step to validate the activity of the active compound of guava leaves as an antibacterial of S. pneumoniae.

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“…This observation underscores the potential of the hybrid nanomaterial as a promising chemosensor, denoted as 33a , for the detection of metal ions. These findings highlight the potential utility of the hybrid nanomaterial SBA‐15/APTES‐NH in metal ion detection, providing a foundation for further refinement and optimization of this chemosensor ( 33a ) for practical applications in various analytical and environmental monitoring scenarios [53].…”

Section: Mesoporous Silica–anchored Isatin‐based Fluorescent Chemosen...mentioning

confidence: 99%

Recent advances in isatin‐based chemosensors: A comprehensive review

Khan,

Shaily

2024

Luminescence

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A comprehensive review presents an illuminating exploration of the vast potential of isatin, an easily accessible organic compound. This review is a valuable resource, offering a concise yet comprehensive account of the recent breakthroughs in isatin applications in medicinal chemistry, fluorescence sensing, and organic synthesis. Moreover, it dives into the exciting advancements in isatin‐based chemosensors, demonstrating their remarkable ability to detect and recognize diverse cations and anions with exceptional precision. Researchers and scientists in the fields of sensing and organic chemistry will find this review indispensable for sparking innovation and developing cutting‐edge technologies with significant real‐world impact.

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Fluorescence study of 5-nitroisatin Schiff base immobilized on SBA-15 for sensing Fe3+

Cited by 10 publications

References 58 publications

Diaminonaphthalene functionalized LUS-1 as a fluorescence probe for simultaneous detection of Hg2+ and Fe3+ in Vetiver grass and Spinach

Diaminonaphthalene functionalized LUS-1 as a fluorescence probe for simultaneous detection of Hg2+ and Fe3+ in Vetiver grass and Spinach

Study of The Potential Compound on Leaves of Syzygium samarangense as An Antibacterial to Streptococcus pneumoniae

Recent advances in isatin‐based chemosensors: A comprehensive review

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