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Design of Gd3+-immobilized two-dimensional magnetic magadiite nanosheets for highly selective enrichment of phosphopeptides

期刊: MICROCHIMICA ACTA, 2021; 188 (10)

Exfoliated magadiite nanosheets embedded with Fe3O4 were constructed. Advantage was taken of the strong coordination between the silanol groups in mag......

Colorimetric detection of acetylcholinesterase and its inhibitor based on thiol-regulated oxidase-like activity of 2D palladium square nanoplates on reduced graphene oxide

期刊: MICROCHIMICA ACTA, 2021; 188 (5)

A convenient and sensitive colorimetric assay for acetylcholinesterase (AChE) and its inhibitor has been designed based on the oxidase-like activity o......

Microfluidic particle accumulation for visual quantitation of copper ions

期刊: MICROCHIMICA ACTA, 2021; 188 (5)

A portable biosensor has been developed based on microfluidic particle accumulation for visual quantification of copper ions. A copper-dependent DNAzy......

A multifunctional near-infrared fluorescent sensing material based on core-shell upconversion nanoparticles@magnetic nanoparticles and molecularly imprinted polymers for detection of deltamethrin

期刊: MICROCHIMICA ACTA, 2021; 188 (5)

The construction of multifunctional sensors has attracted considerable attention due to their multifunctional properties, such as high sensitivity and......

Free-standing electrochemical biosensor for carcinoembryonic antigen detection based on highly stable and flexible conducting polypyrrole nanocomposite

期刊: MICROCHIMICA ACTA, 2021; 188 (6)

A flexible free-standing electrochemical biosensor to detect carcinoembryonic antigen (CEA) is described based on a conducting polypyrrole (PPy) nanoc......

Amplified electrochemical antibiotic aptasensing based on electrochemically deposited AuNPs coordinated with PEI-functionalized Fe-based metal-organic framework

期刊: MICROCHIMICA ACTA, 2021; 188 (8)

A facile and versatile competitive electrochemical aptasensor for tobramycin (TOB) detection is described using electrochemical-deposited AuNPs coordi......

Molybdenum disulfide-graphene oxide composites as dispersive solid-phase extraction adsorbents for the enrichment of four paraben preservatives in cosmetics

期刊: MICROCHIMICA ACTA, 2021; 188 (8)

Molybdenum disulfide-graphene oxide composite (MoS2/GO) was synthesized and used as the adsorbent in dispersive solid-phase extraction. Four paraben p......

Nanocomposite based on graphene and intercalated covalent organic frameworks with hydrosulphonyl groups for electrochemical determination of heavy metal ions

期刊: MICROCHIMICA ACTA, 2021; 188 (9)

An electrochemical sensor constructed by intercalated composites was developed for determination of heavy metal ions. The intercalated composites were......

One-step synthesis of N, S-doped carbon dots with orange emission and their application in tetracycline antibiotics, quercetin sensing, and cell imaging

期刊: MICROCHIMICA ACTA, 2021; 188 (10)

Water soluble N, S-doped carbon dots (N, S-CDs) with orange emission were synthesized from basic fuchsin and sulfosalicylic acid by the typical hydrot......

Colorimetric determination of acid phosphatase activity and inhibitor screening based on in situ polymerization of aniline catalyzed by gold nanoparticles

期刊: MICROCHIMICA ACTA, 2021; 188 (5)

A colorimetric assay for acid phosphatase (ACP) was constructed that is based on in situ polymerization of aniline catalyzed by gold nanoparticles (Au......

Ultrasensitive electrochemical detection of hepatitis C virus core antigen using terminal deoxynucleotidyl transferase amplification coupled with DNA nanowires

期刊: MICROCHIMICA ACTA, 2021; 188 (8)

Early diagnosis of hepatitis C virus (HCV) infection is essential to prevent disease from spreading and progression. Herein, a novel electrochemical b......

Target-swiped DNA lock for electrochemical sensing of miRNAs based on DNAzyme-assisted primer-generation amplification

期刊: MICROCHIMICA ACTA, 2021; 188 (8)

As an extremely important post-transcriptional regulator, miRNAs are involved in a variety of crucial biological processes, and the abnormal expressio......

Chiral covalent organic framework core-shell composite CTpBD@SiO2 used as stationary phase for HPLC enantioseparation

期刊: MICROCHIMICA ACTA, 2021; 188 (9)

The fascinating framework structures and unique properties of chiral covalent organic frameworks (COFs) make them promising candidates as novel separa......

Immobilization of cellulase on monolith supported with Zr(IV)-based metal-organic framework as chiral stationary phase for enantioseparation of five basic drugs in capillary electrochromatography

期刊: MICROCHIMICA ACTA, 2021; 188 (6)

Metal-organic framework (UiO-66-NH2)-incorporated organic polymer monolith was prepared by thermal polymerization. By virtue of the superior physical ......

Rationally engineered high-performance BiVO4/Ag3VO4/SnS2 photoelectrodes for ultrasensitive immunosensing of CYFRA21-1 based on HRP-tyramine-triggered insoluble precipitates

期刊: MICROCHIMICA ACTA, 2021; 188 (8)

A photoelectrochemical (PEC) biosensor capable of detecting cytokeratin 19 fragment 21-1 (CYFRA21-1) was optimized by taking advantage of the powerful......

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