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   Articles with "nanosensor" as a keyword



A ratiometric and selective fluorescent nanosensor for determining Hg2+ ions based on a novel functionalized metal–organic framework

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recommendations! Published in 2024 at "Applied Organometallic Chemistry"

DOI: 10.1002/aoc.7571

Abstract: A new method using fluorescence was developed to detect Hg2+ ions in water. This method relied on the reaction between NH2‐MIL‐53(Al) and 5‐bromo‐2‐hydroxyacetophenone. The method was carefully fine‐tuned for optimal reaction conditions and analytical parameters… read more here.

Keywords: method; nanosensor; hg2 ions; water ... See more keywords

Single-Layer Ternary Chalcogenide Nanosheet as a Fluorescence-Based "Capture-Release" Biomolecular Nanosensor.

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recommendations! Published in 2017 at "Small"

DOI: 10.1002/smll.201601925

Abstract: The novel application of two-dimensional (2D) single-layer ternary chalcogenide nanosheets as "capture-release" fluorescence-based biomolecular nanosensors is demonstrated. Fluorescently labeled biomolecular probe is first captured by the ultrathin Ta2 NiS5 nanosheets and then released upon adding… read more here.

Keywords: ternary chalcogenide; capture release; target; nanosensor ... See more keywords

Differentiable detection of ethanol/methanol in biological fluids using prompt graphene-based electrochemical nanosensor coupled with catalytic complex of nickel oxide/8-hydroxyquinoline.

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recommendations! Published in 2022 at "Analytica chimica acta"

DOI: 10.1016/j.aca.2021.339407

Abstract: Serious health hazards of volatile organic compounds such as methanol and ethanol for living species and their adverse effects on the environment raised a global requirement for developing a portable, precise, and sensitive detection platform… read more here.

Keywords: nanosensor; biological fluids; hydroxyquinoline; detection ... See more keywords

Simple voltammetric analyses of ochratoxin A in food samples using highly-stable and anti-fouling black phosphorene nanosensor

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recommendations! Published in 2018 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2018.06.055

Abstract: Abstract There are few reports on the electrochemical detection of ochratoxin A (OTA) using chemically modified electrode owing to the OTA poor electrochemical activity and strong fouling effect towards electrode surface. In this study, a… read more here.

Keywords: simple voltammetric; detection; anti fouling; nanosensor ... See more keywords

Functionalization of graphene quantum dots with antimorphine: Design of selective nanosensor for detection of morphine

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recommendations! Published in 2019 at "Materials Letters"

DOI: 10.1016/j.matlet.2019.01.057

Abstract: Abstract Surface functionalization of graphene quantum dots (GQDs) with antimorphine produced a new turn-on fluorescent nanosensor for morphine detection. The antimorphine-GQDs were prepared through the covalent conjugation of GQDs with antimorphine. FT-IR and X-ray photoelectron… read more here.

Keywords: nanosensor; functionalization graphene; quantum dots; graphene quantum ... See more keywords

An ultrasensitive fluorescent nanosensor for trypsin based on upconversion nanoparticles.

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recommendations! Published in 2017 at "Talanta"

DOI: 10.1016/j.talanta.2017.07.013

Abstract: Trypsin and its inhibitors are relevant to many physiological processes and diseases. In this study, a nanosensor capable of detecting trypsin and its inhibitors was designed based on the fluorescence resonance energy transfer (FRET) between… read more here.

Keywords: fluorescence; trypsin inhibitors; trypsin; nanosensor ... See more keywords

MiRNA and mRNA-Controlled Double-Cascaded Amplifying Circuit Nanosensor for Accurate Discrimination of Breast Cancers in Living Cells, Animals, and Organoids.

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recommendations! Published in 2024 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.3c05085

Abstract: Metastasis is the leading cause of death in patients with breast cancer. Detecting high-risk breast cancer, including micrometastasis, at an early stage is vital for customizing the right and efficient therapies. In this study, we… read more here.

Keywords: circuit; breast cancer; breast; nanosensor ... See more keywords

Construction of a Bifunctional Single-Quantum Dot Nanosensor for Enzyme-Free Detection of N6-Methyladenosine Demethylase in Breast Cancer.

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recommendations! Published in 2025 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.5c04759

Abstract: In mammalian organisms, N6-methyladenosine (m6A) serves as the most prominent internal modification of mRNA, and it critically regulates gene expression and cancer progression through dynamic erasure by demethylases (e.g., Fat Mass and Obesity-associated protein (FTO)).… read more here.

Keywords: detection; cancer; breast cancer; enzyme free ... See more keywords

Engineering of an Enzyme-Activatable Ratiometric DNA Nanosensor for Spatially Resolved pH Imaging in Ischemic Stroke.

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recommendations! Published in 2025 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.5c05918

Abstract: Spatially resolved imaging of intracellular pH during ischemic stroke (IS) is critical for demarcating salvageable penumbral tissue and tracking lesion progression; however, engineering IS-specific pH sensors remains challenging. Herein, we engineered an apurinic/apyrimidinic endonuclease 1… read more here.

Keywords: ischemic stroke; spatially resolved; nanosensor; resolved imaging ... See more keywords

Hydrogel Nanosensors for Colorimetric Detection and Dosimetry in Proton Beam Radiotherapy.

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recommendations! Published in 2018 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.7b15127

Abstract: Proton beam therapy (PBT) is a state-of-the-art radiotherapy treatment approach that uses focused proton beams for tumor ablation. A key advantage of this approach over conventional photon radiotherapy (XRT) is the unique dose deposition characteristic… read more here.

Keywords: hydrogel; radiotherapy; proton; nanosensor ... See more keywords

A Near-Infrared Fluorescent Nanosensor for Direct and Real-Time Measurement of Indole-3-Acetic Acid in Plants.

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recommendations! Published in 2025 at "ACS nano"

DOI: 10.1021/acsnano.4c13556

Abstract: Auxin, particularly indole-3-acetic acid (IAA), is a phytohormone critical for plant growth, development, and response to environmental stresses like shade avoidance syndrome and thermomorphogenesis. Despite its importance, there is no existing method that allows for… read more here.

Keywords: iaa; indole acetic; nanosensor; infrared fluorescent ... See more keywords