Showing papers in "Talanta in 2023"

TL;DR: In this article , a novel fluorescence biosensor was developed for AFB1 detection based on CRISPR/Cas12a and MXenes, which achieved a wide detection range from 0.001 to 80 ng mL-1.

TL;DR: In this paper , a magnetic amide-linked covalent organic framework functionalized by benzoboroxole was used as an adsorbent for the enrichment of glycoproteins.

TL;DR: In this article , a chemiluminescence (CL) aptasensor for sensitive carcinoembryonic antigen (CEA) detection was constructed based on the CL system of luminol-H2O2-NaOH.

TL;DR: In this paper , the authors used machine learning methods to detect adulterated Camellia oil (CAO) in 933 vegetable oil samples and achieved an accuracy of 95.8% and 92.2% with mean absolute quantitative errors between 2.6 and 6.7%.

TL;DR: Li et al. as mentioned in this paper developed a unique screen-printed carbon electrode (SPCE) with three-dimensional melamine-doped graphene oxide/MXene composite aerogel (3D MGMA) modification, which was used for the simultaneous and sensitive detection of three metal ions (Zn2+, Cd2+, and Pb2+) in the environment.

TL;DR: In this article , a flexible electrochemical sensing system for glucose and pH detection based on one-step laser-scribed PtNPs nanostructured 3D porous laser-capped graphene (LSG) was introduced.

TL;DR: In this article , a new TED-GC/MS method for microplastics identification is developed, where the whole filter with solids collected from water is thermal treated in a furnace, instead of using a small portion in a Thermogravimetric analysis (TGA) device.

TL;DR: In this article , a magnetic graphene oxide (GO/Fe3O4) nanocomposite was synthesized in one step by a chemical coprecipitation method, which was further used for magnetic solid-phase extraction (MSPE).

TL;DR: In this paper , a polarity-sensitive two-photon fluorescent probe with anchoring capacity in lipid droplets, LIP-Pola, is reported and applied to monitor the polarity of LDs during cell Ferroptosis by in situ imaging analysis.

TL;DR: In this article , a colorimetric/photothermal dual-mode exosomes sensing platform is developed for human breast cancer cell (MCF-7)-derived exosome based on encapsulation of 3,3',5,5'-tetramethylbenzidine-loaded graphene quantum dot nanozymes (TMB-GQDzymes) via rolling circle amplification (RCA).

TL;DR: In this article , a new fluorescent probe (E)-3-(2-(4-(1,2,2-triphenylvinyl)styryl)benzo [d]thiazol-3-ium-3yl)propane-1-sulfonate (TPE-y) possessing benzothiazolium salt based on tetraphenylethene moiety with aggregation-induced emission (AIE) characteristics.

TL;DR: Raman spectroscopy was compared with near infrared (NIR) hyperspectral imaging for determination of fat composition (%EPA + DHA) in salmon fillets at short exposure times as discussed by the authors .

TL;DR: In this paper , a microfluidic paper-based analytical devices modified with molecularly imprinted polymers (μPADs@MIPs) were developed for fluorescent detection of targeted thiols via in situ UV-induced formation of quantum dots.

TL;DR: In-paper flexible SERS chips were simply prepared by immersing pieces of filter paper into colloidal silver nanoparticle (e-AgNP) solution for 24 hours and drying naturally at room temperature as discussed by the authors .

TL;DR: In this article , a microfluidic paper-based analytical devices modified with molecularly imprinted polymers (MIPs) were developed for fluorescent detection of targeted thiols via in situ UV-induced formation of quantum dots (μPADs@MIPS@QDs).

TL;DR: In this article , a portable photoelectrochemical split diagnostic platform based on a hollow CdS/CdMoO4 (h-CdS@CdMOO4) shell-shell structured photoanode system was developed for ultrasensitive detection of CEA.

TL;DR: In this article , the authors describe the development of electrochemical paper-based analytical devices (ePADs) using carbon-based paste combining silicone glue and graphite powder, which are manufactured using the screen-printing technique, which consisted of depositing the conductive ink on a screencast on the paper surface.

TL;DR: In this paper , deep eutectic solvent (DES) was used to modify GO-TiO2 to synthesize new adsorption material, which had better effect on metal ions, and the results of Co and Pb determined by the established method were in good agreement with those of inductively coupled plasma mass spectrometry (ICP-MS).

TL;DR: In this article , a new viral RNA extraction method based on poly-(amino ester) with carboxyl group (PC)-coated magnetic nanoparticles (pcMNPs) was proposed for the sensitive detection of SARS-CoV-2.

TL;DR: In this article , a visual clustered regularly interspaced short palindromic repeats (CRISPR)/dCas9-mediated enzyme-linked immunosorbent assay (ELISA) was developed for specific and sensitive detection of cauliflwer mosaic virus 35s (CaMV35S) promoter in genetically modified (GM) crops.

TL;DR: In this article , the composition and properties of freshly prepared (Ab@AgNPs) and aged ( Ab@AgNP/Ag 2 SNPs ) conjugates were investigated for the first time by transmission electron microscopy (TEM), EDS, X-ray photoelectron spectroscopy (XPS), and voltammetry.

TL;DR: In this paper , a simple, rapid, and highly sensitive immunosensor based on gold coated magnetic nanoparticles (MNPs@Au) was used to detect glyphosate in tap water.

TL;DR: In this article , a covalent organic framework was grown on a magnetic metal-organic framework (MOF) by a solvothermal method for the efficient extraction of bisphenols (BPs).

TL;DR: In this paper , a colorimetric sensor for the quantitative analysis of tannic acid (TA) was developed based on two-dimensional carbon nanosheet carbon nitride (CN)-supported Cu single-atom nanozymes (Cu/CN).

TL;DR: Tryptophan capped gold-silver bimetallic nanoclusters (Trp-Au/Ag BNCs) based turn-off fluorescence sensor has been developed for the simple and rapid determination of histamine as discussed by the authors .

TL;DR: In this article , an array of inexpensive molecularly imprinted microneedle platforms for the multiplexed electrochemical detection of pH, epinephrine, dopamine, and lactate biomarkers in human sweat was demonstrated.

TL;DR: In this paper , a bare glass nanopore can faithfully measure various lengths of DNA duplexes from 200 to 3000 base pairs with 200 base pairs resolution, showing well-separated peak amplitudes of blockage currents.

TL;DR: In this article , a 3D Au foam scaffold with cobalt-based nanocubes and 3-mercaptopropionic acid (3-MPA/Au foam) was used for real-time monitoring of catecholamines in rat brain.

TL;DR: In this article , the authors discuss the fabrication and design strategies of micro-uidic paper-based analytical devices, elaborate on their detection modes, and highlight their applications in affinity-based electrochemical μPADs methods for the detection of oncomarkers.

TL;DR: In this article , a quick, environmentally friendly and easy approach for the determination of cinnamic acid in juice samples based on the creation and usage of a novel magnetic nanofluid (mixture of hydrophobic deep eutectic solvent and magnetic nanoparticles) was reported.