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Nonenzymatic determination of glucose at near neutral pH values based on the use of nafion and platinum black coated microneedle electrode array
10.1007/s00604-018-2770-1 2018-04-07 The authors report on a microneedle-based amperometric nonenzymatic glucose sensor for painless and continuous monitoring of glucose. It consists of 3 × 5 sharp stainless steel microneedles micromachined from a stainless steel substrate. The microneedles are ... |
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Poly(3,4-ethylenedioxythiophene) doped with engineered carbon quantum dots for enhanced amperometric detection of nitrite
10.1007/s00604-018-2784-8 2018-04-06 An electrochemical sensor for nitrite was fabricated by modifying a glassy carbon electrode (GCE) with the conducting polymer poly(3,4-ethylenedioxythiophene) (PEDOT) that is doped with carbon quantum dots (CQDs). The negatively charged CQDs were doped into P... |
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3D hollow porous CdFe 2 O 4 microspheres as viable materials for magnetic solid-phase extraction of azo colorants
10.1007/s00604-018-2780-z 2018-04-05 3D magnetic hollow porous CdFe2O4 microspheres (3D MHPS-CdFe2O4) were prepared by a one-step and template-free hydrothermal method. The material was applied for magnetic solid phase extraction of three azo colorants (Acid Red, Congo Red, Sunset Yellow). Compa... |
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Molecularly imprinted polymers for the detection of illegal drugs and additives: a review
10.1007/s00604-018-2735-4 2018-04-04 This review (with 154 refs.) describes the current status of using molecularly imprinted polymers in the extraction and quantitation of illicit drugs and additives. The review starts with an introduction into some synthesis methods (lump MIPs, spherical MIPs,... |
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Amperometric determination of L-cysteine using a glassy carbon electrode modified with palladium nanoparticles grown on reduced graphene oxide in a Nafion matrix
10.1007/s00604-018-2782-x 2018-04-03 An amperometric sensor for L-Cys is described which consists of a glassy carbon electrode (GCE) that was modified with reduced graphene oxide placed in a Nafion film and decorated with palladium nanoparticles (PdNPs). The film was synthesized by a hydrotherma... |
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Silver microspheres coated with a molecularly imprinted polymer as a SERS substrate for sensitive detection of bisphenol A
10.1007/s00604-018-2772-z 2018-04-02 An efficient approach is demonstrated for preparing particles consisting of a silver core and a shell of molecularly imprinted polymer (Ag@MIP). The MIP is prepared by using bisphenol A (BPA) as the template and 4-vinylpyridine as the functional monomer. The ... |
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MnO nanoparticles with unique excitation-dependent fluorescence for multicolor cellular imaging and MR imaging of brain glioma
10.1007/s00604-018-2779-5 2018-04-02 The authors describe MnO nanoparticles (NPs) with unique excitation-dependent fluorescence across the entire visible spectrum. These NPs are shown to be efficient optical nanoprobe for multicolor cellular imaging. Synthesis of the NPs is accomplished by a the... |
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A multifunctional probe based on the use of labeled aptamer and magnetic nanoparticles for fluorometric determination of adenosine 5’-triphosphate
10.1007/s00604-018-2774-x 2018-04-02 A multifunctional fluorescent probe is synthesized for the determination of adenosine 5′-triphosphate (ATP). The 6-carboxyfluorescein-labeled aptamer (FAM-aptamer) was bound to the surface of magnetite nanoparticles coated with polydopamine (Fe3O4@PDA) by π-π... |
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A nanoporous palladium(II) bridged coordination polymer acting as a peroxidase mimic in a method for visual detection of glucose in tear and saliva
10.1007/s00604-018-2776-8 2018-04-02 A nanoporous coordination polymer (NPCP) was prepared from palladium(II) chloride and 4-amino-3-hydrazino-5-mercapto-1,2,4-triazole and is shown to act as a peroxidase mimetic. It can catalyze the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) by H2O2 whic... |
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Expression of Concern: Magnetic mesoporous polymelamine-formaldehyde resin as an adsorbent for endocrine disrupting chemicals
10.1007/s00604-018-2751-4 2018-03-27 Abstract The Editor-in-Chief is issuing an editorial expression of concern regarding the article Microchim Acta (2018) 185: 19. |