Diclofenac Imprinted Surface Plasmon Resonance (SPR) Based Sensor

Deni̇zli̇, Adil

doi:10.1002/slct.202200436

ChemistrySelect

2022

DOI: 10.1002/slct.202200436

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Diclofenac Imprinted Surface Plasmon Resonance (SPR) Based Sensor

Adil Deni̇zli̇

Abstract: The point of the study is the design of diclofenac (DFC) imprinted SPR sensor to detect DFC. Firstly, pre-complex was formed using DFC and methacrylic acid (MAA). Pre-complex was copolymerized with ethylene glycol dimethacrylate (EGD-MA) on the allyl mercaptan functionalized SPR chip. DFC imprinted SPR sensor surface was characterized through atomic force microscopy (AFM), ellipsometry, and contact angle measurements. DFC adsorption kinetics of SPR sensor was examined using DFC aqueous solutions between 0,005 … Show more

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2024

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Cited by 4 publications

References 49 publications

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Silica Nanoparticles Tailored with a Molecularly Imprinted Copolymer Layer as a Highly Selective Biorecognition Element

Oluz,

Yazlak,

Kurşun

et al. 2024

Macromol. Rapid Commun.

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Molecularly imprinted silica nanoparticles (SP‐MIP) are synthesized for the real‐time optical detection of low‐molecular‐weight compounds. Azo‐initiator‐modified silica beads are functionalized through reversible addition‐fragmentation chain transfer (RAFT) polymerization, which leads to efficient control of the grafted layer. The copolymerization of methacrylic acid (MAA) and ethylene glycol dimethacrylate (EDMA) on azo initiator‐coated silica particles (≈100 nm) using chain transfer agent (2‐phenylprop‐2‐yl‐dithiobenzoate) is carried out in the presence of a target analyte molecule (l‐Boc‐phenylalanine anilide, l‐BFA). The chemical and morphological properties of SP‐MIP are characterized by scanning electron microscopy, X‐ray photoelectron spectroscopy, Brunauer–Emmett–Teller surface analysis, and thermogravimetric analysis. Finally, SP‐MIP is located on the gold surface to be used as a biorecognition layer on the surface plasmon resonance spectrometer (SPR). The sensitivity, response time, and selectivity of SP‐MIP are investigated by three similar analogous molecules (l‐Boc‐Tryptophan, l‐Boc‐Tyrosine, and l‐Boc‐Phenylalanine) and the imprinted particle surface showed excellent relative selectivity toward l‐Boc‐Phenylalanine (l‐BFA) (k = 61), while the sensitivity is recorded as limit of detection = 1.72 × 10−4 m.

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Silica Nanoparticles Tailored with a Molecularly Imprinted Copolymer Layer as a Highly Selective Biorecognition Element

Oluz,

Yazlak,

Kurşun

et al. 2024

Macromol. Rapid Commun.

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Facile Hydrothermal Synthesis and Characterization of NdCoO₃@Nd₂O₃/rGO Hybrid for Electrochemical Sensing of Alpha‐Lipoic Acid and Supercapacitor Application

Korgaonkar,

Teradal,

Seetharamappa

2024

ChemistrySelect

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The present study reports a facile, simple, and eco‐friendly hydrothermal method of preparation of nanocomposite material, NdCoO3@Nd2O3‐rGO, and its utility as an electrochemical sensor and energy storage device. The synthesized NdCoO3@Nd2O3‐rGO nanocomposite was investigated in terms of structural and morphological characteristics. The electrochemical sensing performance of the reported material was tested by analyzing an antioxidant, α‐lipoic acid (ALA), in pharmaceutical formulations and biological samples. The sensing capability of demonstrated material was noticed to be improved by 28‐fold when compared to that at bare glassy carbon electrode. Good linearity was observed between the peak current and concentration of ALA in the range of (0.05–20.92) × 10−6 mol/L and (0.02–28.06) × 10−6 mol/L for DPV and SWV methods, respectively. Further, the electrochemical energy storage ability of NdCoO3@Nd2O3‐rGO was also investigated. For this, NdCoO3@Nd2O3‐rGO was fabricated over NF for supercapacitor application. The NdCoO3@Nd2O3‐rGO/NF electrode showed good super capacitive properties with a specific capacitance of 1502.22 F/g at a current density of 1 A/g in 1 M KOH electrolyte. The electrode showed good cycling stability with a retention of 78.0% after 5000 cycles.

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Molecularly imprinted polymers for pharmaceutical and biomedical analysis

Ovezova,

Yılmaz,

Göktürk

et al. 2024

Journal of Pharmaceutical and Biomedical Analysis Open

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Diclofenac Imprinted Surface Plasmon Resonance (SPR) Based Sensor

Cited by 4 publications

References 49 publications

Silica Nanoparticles Tailored with a Molecularly Imprinted Copolymer Layer as a Highly Selective Biorecognition Element

Silica Nanoparticles Tailored with a Molecularly Imprinted Copolymer Layer as a Highly Selective Biorecognition Element

Facile Hydrothermal Synthesis and Characterization of NdCoO₃@Nd₂O₃/rGO Hybrid for Electrochemical Sensing of Alpha‐Lipoic Acid and Supercapacitor Application

Molecularly imprinted polymers for pharmaceutical and biomedical analysis

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