UiO-66 based electrochemical sensor for simultaneous detection of Cd(II) and Pb(II)

Article Chemistry, Physical

Effect of modification of UiO-66 for CO2 adsorption and separation of CO2/CH4

Suresh Mutyala et al.

Summary: The experimental results confirm that 25TETA/UiO-66 has a high CO2 adsorption capacity and better selectivity for CO2/CH4 compared to UiO-66.

JOURNAL OF MOLECULAR STRUCTURE (2021)

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Article Biology

Nutritional and toxic elemental analysis of dry fruits using laser induced breakdown spectroscopy (LIBS) and inductively coupled plasma atomic emission spectrometry (ICP-AES)

I Rehan et al.

Summary: This study quantitatively investigated essential and trace heavy elements in health-beneficial dry fruits using Laser Induced Breakdown Spectroscopy, detecting both nutritional elements and toxins in the samples. The accuracy of elemental quantification was validated and compared to the ICP method, showing relative accuracy within 0.1 to 0.3 at 2.5% error confidence.

SAUDI JOURNAL OF BIOLOGICAL SCIENCES (2021)

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Article Chemistry, Applied

Simultaneous determination of cadmium, lead and copper in chocolate samples by square wave anodic stripping voltammetry

Larissa Pinto Silva et al.

Summary: An effective and simple method using SWASV was proposed for simultaneous determination of cadmium, lead and copper in chocolate samples. The method involved ultrasonic bath extraction and achieved good linearity, precision and accuracy. The new method is especially attractive for case studies and routine analysis, offering advantages over traditional methods.

FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT (2021)

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Article Chemistry, Analytical

Tunable electrochemical of electrosynthesized layer-by-layer multilayer films based on multi-walled carbon nanotubes and metal-organic framework as high-performance electrochemical sensor for simultaneous determination cadmium and lead

Zhiwei Lu et al.

Summary: An effective strategy for the fabrication of novel layer-by-layer multilayer films modified electrodes in electrochemical sensor applications is proposed in this work. The newly constructed three-layer assembly of MWCNTs-COOH/UiO-66-NH2/MWCNTs-COOH/GCE as voltammetric sensor was adapted to simultaneous detection of Cd2+ and Pb2+. The combination of abundant adsorption sites of UiO-66-NH2 with excellent conductivity ability of MWCNTs-COOH, and the dominant characteristics of the chelation mechanisms between amine groups and heavy metal cations, strengthened its electrocatalytic activity.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

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Article Chemistry, Analytical

Novel Three-dimensional Sensor for Rapid Detection of Pb(II) and Cd(II) in Edible Mushrooms

Jiaqi Yin et al.

Summary: The sensing platform based on MoS2-RGO was developed for the detection of heavy metal ions in edible mushrooms. The synthesized MoS2-RGO had active sites that contributed to the adsorption and preconcentration of the metal ions. The modified sensors showed low limits of detection for Pb(II) and Cd(II) and were successfully applied in the detection of heavy metal ions in edible mushrooms.

ELECTROANALYSIS (2021)

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Article Chemistry, Analytical

Controlling assembly-induced single layer RGO to achieve highly sensitive electrochemical detection of Pb(II) via synergistic enhancement

Peng Sun et al.

Summary: This study focused on the preparation of a single-layer nanocomposite electrode material through controlled assembly, which effectively addressed the issue of low electron transfer in electroanalysis. By utilizing the synergistic enhancement of RhB and RGO, the high sensitivity of RhB/RGO in Pb2+ trace analysis was achieved, with a detection limit of 10 nM and a linear correlation coefficient of 0.9999. The research also provided insights into the competitive relationship between active binding sites and electron transfer resistance (Rct) in the detection of Pb2+, offering valuable guidance for future electrode material design.

MICROCHEMICAL JOURNAL (2021)

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Article Electrochemistry

Improving the stability of Pb2+ ion-selective electrodes by using 3D polyaniline nanowire arrays as the inner solid-contact transducer

Xianghua Zeng et al.

Summary: Polyaniline nanowire arrays (PANI-NWA) were successfully synthesized and applied as the ion-to-electron transducer for the detection of aqueous Pb2+ ions. They exhibited high capacitance and low impedance, facilitating efficient ion-to-electron transfer. The three-dimensional PANI-NWA also improved detection efficiency by allowing easy penetration of Pb2+ ions and enhancing the stability of the ion selective electrodes.

ELECTROCHIMICA ACTA (2021)

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Article Chemistry, Applied

Direct detection of Pb2+ and Cd2+ in juice and beverage samples using PDMS modified nanochannels electrochemical sensors

Gangfeng Li et al.

Summary: An electrochemical sensing platform based on binary assembly of silica nanochannels and polydimethylsiloxane was developed for the direct detection of Pb2+ and Cd2+ in real food samples. The sensor showed excellent anti-interference and practicability properties for unprocessed food, with linear ranges from 4 to 1500 µg/L for Pb2+ and 30 to 900 µg/L for Cd2+.

FOOD CHEMISTRY (2021)

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Article Chemistry, Analytical

Indium-doped mesoporous Bi2S3-based electrochemical interface for highly sensitive detection of Pb(II)

Shiqi Wang et al.

Summary: In this study, flower-like In-doped Bi2S3 with mesoporous nanostructure was synthesized and used as an electrochemical sensing interface for the detection of Pb(II). The fabricated IDB/GCE showed high sensitivity, satisfied detection limit, robust stability, and remarkable anti-interference capability, and demonstrated reliable analysis of Pb(II) in real water samples.

MICROCHEMICAL JOURNAL (2021)

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Article Nanoscience & Nanotechnology

Zn/Fe nanocomposite based efficient electrochemical sensor for the simultaneous detection of metal ions

Esraa M. Bakhsh et al.

Summary: An efficient electrochemical sensor was designed using zinc oxide doped iron oxide nanocomposite coated on a glassy carbon electrode for simultaneous detection of Cd(II), Pb(II), and Cu(II) in real water samples. The sensor exhibited strong sensing performance with higher sensitivity towards Pb(II) detection, making it a promising tool for low-level determination of toxic heavy metals. Further optimization of analytical parameters was conducted to investigate the detection of Cd(II), Pb(II), and Cu(II) in real samples, showing the potential for a simple and efficient sensing system.

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES (2021)

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Article Chemistry, Applied

Novel ion imprinted polymer electrochemical sensor for the selective detection of lead(II)

Zohreh Dahaghin et al.

FOOD CHEMISTRY (2020)

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Article Chemistry, Inorganic & Nuclear

Simultaneous detection of trace Cd(II) and Pb(II) by differential pulse anodic stripping voltammetry using a bismuth oxycarbide/nafion electrode

Yaxiao Zhang et al.

INORGANIC CHEMISTRY COMMUNICATIONS (2020)

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Review Chemistry, Inorganic & Nuclear

Metal-organic framework-based nanocomposites for sensing applications - A review

Ali Amini et al.

POLYHEDRON (2020)

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Article Engineering, Environmental

Controllable synthesis of an intercalated ZIF-67/EG structure for the detection of ultratrace Cd2+, Cu2+, Hg2+ and Pb2+ ions

Laifeng Ma et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Review Chemistry, Analytical

A critical review of single particle inductively coupled plasma mass spectrometry - A step towards an ideal method for nanomaterial characterization

Darya Mozhayeva et al.

JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY (2020)

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Review Chemistry, Analytical

Fundamentals of fast-scan cyclic voltammetry for dopamine detection

B. Jill Venton et al.

ANALYST (2020)

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Article Chemistry, Inorganic & Nuclear

A MOF-derived ZrO2/C nanocomposite for efficient electromagnetic wave absorption

Xue Zhang et al.

INORGANIC CHEMISTRY FRONTIERS (2020)

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Article Chemistry, Applied

Simultaneous determination of Cd(II) and Pb(II) ions in honey and milk samples using a single-walled carbon nanohorns modified screen-printed electrochemical sensor

Yao Yao et al.

FOOD CHEMISTRY (2019)

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Article Chemistry, Analytical

Enhanced stripping voltammetric response of Hg2+, Cu2+, Pb2+and Cd2+ by ZIF-8 and its electrochemical analytical application

Yaru Chu et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2019)

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Article Chemistry, Analytical

Detection of Tetracycline in Water Using Glutathione-protected Fluorescent Gold Nanoclusters

Dongri Liu et al.

ANALYTICAL SCIENCES (2019)

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Article Chemistry, Analytical

Graphene Aerogel-Metal-Organic Framework-Based Electrochemical Method for Simultaneous Detection of Multiple Heavy-Metal Ions

Muxin Lu et al.

ANALYTICAL CHEMISTRY (2019)

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Review Chemistry, Analytical

A review of the identification and detection of heavy metal ions in the environment by voltammetry

Yuanyuan Lu et al.

TALANTA (2018)

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Article Electrochemistry

High Performance Electrocatalyst Based on MIL-101(Cr)/Reduced Graphene Oxide Composite: Facile Synthesis and Electrochemical Detections

Jianxia Gu et al.

CHEMELECTROCHEM (2018)

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Article Chemistry, Analytical

Simultaneous determination of trace Cd2+ and Pb2+ using GR/l-cysteine/Bi modified screen-printed electrodes

Chao Li et al.

ANALYTICAL METHODS (2018)

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Article Chemistry, Inorganic & Nuclear

Microporous Hexanuclear Ln(III) Cluster-Based Metal-Organic Frameworks: Color Tunability for Barcode Application and Selective Removal of Methylene Blue

Ming-Liang Gao et al.

INORGANIC CHEMISTRY (2017)

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Article Chemistry, Analytical

Ultrasensitive electrochemical detection of metal ions using dicarboethoxycalixarene-based sensor

N. I. Ruslan et al.

JOURNAL OF ELECTROANALYTICAL CHEMISTRY (2017)

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Article Biophysics

Selective binding of Pb2+ with manganese-terephthalic acid MOF/SWCNTs: Theoretical modeling, experimental study and electroanalytical application

Fuxian Cai et al.

BIOSENSORS & BIOELECTRONICS (2017)

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Article Chemistry, Analytical

Electroanalytical sensing of Cd2+ based on metal-organic framework modified carbon paste electrode

Mahmoud Roushani et al.

SENSORS AND ACTUATORS B-CHEMICAL (2016)

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Article Chemistry, Analytical

Fabrication of novel coated pyrolytic graphite electrodes for the selective nano-level monitoring of Cd2+ ions in biological and environmental samples using polymeric membrane of newly synthesized macrocycle

Manoj Kumar Sahani et al.

ANALYTICA CHIMICA ACTA (2015)

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Article Chemistry, Analytical

Facile fabrication of cauliflower-like MIL-100(Cr) and its simultaneous determination of Cd2+, Pb2+, Cu2+ and He2+ from aqueous solution

Dongfang Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2015)

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Article Chemistry, Multidisciplinary

Two Series of Solvent-Dependent Lanthanide Coordination Polymers Demonstrating Tunable Luminescence and Catalysis Properties

Na Wei et al.

CRYSTAL GROWTH & DESIGN (2014)

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Article Electrochemistry

Simultaneous detection of Cd(II) and Pb(II) by differential pulse anodic stripping voltammetry at a nitrogen-doped microporous carbon/Nafion/bismuth-film electrode

Lili Xiao et al.

ELECTROCHIMICA ACTA (2014)

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Article Chemistry, Analytical

Determination of lead and cadmium by anodic stripping voltammetry at bismuth film electrodes following double deposition and stripping steps

Iwona Rutyna et al.

SENSORS AND ACTUATORS B-CHEMICAL (2014)

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Article Chemistry, Analytical

Fabrication and application of a new modified electrochemical sensor using nano-silica and a newly synthesized Schiff base for simultaneous determination of Cd2+, Cu2+ and Hg2+ ions in water and some foodstuff samples

Abbas Afkhami et al.

ANALYTICA CHIMICA ACTA (2013)

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Article Chemistry, Analytical

Metal-organic framework modified carbon paste electrode for lead sensor

Yang Wang et al.

SENSORS AND ACTUATORS B-CHEMICAL (2013)

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Article Chemistry, Analytical

Preparation and characterization of magnetic nanocomposite of Schiff base/silica/magnetite as a preconcentration phase for the trace determination of heavy metal ions in water, food and biological samples using atomic absorption spectrometry

Hasan Bagheri et al.

TALANTA (2012)

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Article Biochemical Research Methods

Enantiomeric separation of organophosphorus pesticides by high-performance liquid chromatography, gas chromatography and capillary electrophoresis and their applications to environmental fate and toxicity assays

Ling Li et al.

JOURNAL OF CHROMATOGRAPHY B-ANALYTICAL TECHNOLOGIES IN THE BIOMEDICAL AND LIFE SCIENCES (2010)

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UiO-66 based electrochemical sensor for simultaneous detection of Cd(II) and Pb(II)

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