Magnetic Multi-Walled Carbon Nanotubes Matrix Solid-Phase Dispersion with Dispersive Liquid–Liquid Microextraction for the Determination of Ultra Trace Bisphenol A in Water Samples
Sign Up to like & getrecommendations! Published in 2017 at "Chromatographia"
DOI: 10.1007/s10337-017-3332-0
Abstract: Abstract Magnetic nanoparticle-assisted solid-phase dispersion (MMSPD) combined with dispersive liquid–liquid microextraction (DLLME) prior to high performance liquid chromatography with fluorescence detector (HPLC–FLU) is presented for determination of ultra trace Bisphenol A (BPA) in water. Magnetic… read more here.
Keywords: determination ultra; water; ultra trace; liquid ... See more keywords
Graphene oxide/Fe3O4/polyaniline nanocomposite as an efficient adsorbent for the extraction and preconcentration of ultra-trace levels of cadmium in rice and tea samples
Sign Up to like & getrecommendations! Published in 2020 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-020-04256-y
Abstract: The magnetic graphene oxide–polyaniline (MGOPA) nanocomposite was synthesized through oxidative polymerization of aniline and at the presence of Fe3O4–GO. The composite was characterized by Fourier transform infrared spectroscopy, scanning electron microscopy, X-ray diffraction analysis, and… read more here.
Keywords: graphene oxide; extraction preconcentration; adsorbent; cadmium ... See more keywords
Rapid determination of ultra-trace plutonium isotopes (239Pu, 240Pu and 241Pu) in small-volume human urine bioassay using sector-field inductively coupled plasma mass spectrometry.
Sign Up to like & getrecommendations! Published in 2018 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2017.10.012
Abstract: A rapid method with enhanced 238U decontamination was developed for ultra-trace Pu analysis in small-volume urine bioassays. This method consists of acid digestion, co-precipitation, extraction chromatography and sector-field inductively coupled plasma mass spectrometry (SF-ICP-MS) measurement.… read more here.
Keywords: small volume; ultra trace; mass; mass spectrometry ... See more keywords
Recovery of ultra-trace palladium using chitosan and its sulphur-containing derivative in HCl medium
Sign Up to like & getrecommendations! Published in 2018 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2018.04.007
Abstract: Abstract Sulphur-containing chitosan, a water-soluble derivative of chitosan, was synthesized by using chitosan and other reagents. This sulphur-containing chitosan was combined with chitosan to recover ultra-trace palladium in HCl medium. The effects of the chelating… read more here.
Keywords: recovery; sulphur containing; ultra trace; palladium ... See more keywords
Measurement of ultra-trace level of intact oxytocin in plasma using SALLE combined with nano-LC-MS.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of pharmaceutical and biomedical analysis"
DOI: 10.1016/j.jpba.2019.04.023
Abstract: Measurement of peptides such as oxytocin in plasma is a critical challenge in clinical research because of their extreme low concentrations as well as the tremendous interferencing substances co-presented in plasma. In this study, we… read more here.
Keywords: oxytocin plasma; intact oxytocin; ultra trace; measurement ... See more keywords
Preparation and application of aptamer-functionalized sorbent for the analysis of ultra-trace aflatoxin M1 and analogues in milk
Sign Up to like & getrecommendations! Published in 2021 at "Microchemical Journal"
DOI: 10.1016/j.microc.2021.106179
Abstract: Abstract A novel, efficient and specific aptamer-functionalized sorbent was successfully synthesized and applied in the analysis of ultra-trace aflatoxin M1 (AFM1) and its analogues in milk. By using a gold nanoparticle-based colorimetric analysis tool, we… read more here.
Keywords: functionalized sorbent; analogues milk; ultra trace; aptamer functionalized ... See more keywords
Active Enrichment of Nanoparticles for Ultra-Trace Point-of-Care COVID-19 Detection
Sign Up to like & getrecommendations! Published in 2023 at "Analytical Chemistry"
DOI: 10.1021/acs.analchem.2c05381
Abstract: Active enrichment can detect nucleic acid at ultra-low concentrations without relatively time-consuming polymerase chain reaction (PCR), which is an important development direction for future rapid nucleic acid detection. Here, we reported an integrated active enrichment… read more here.
Keywords: platform; ultra trace; detection; active enrichment ... See more keywords
Total reflection X-ray fluorescence spectrometric determination of ultra-trace uranium in natural water samples using a dispersive liquid–liquid micro-extraction method
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Analytical Atomic Spectrometry"
DOI: 10.1039/d0ja00039f
Abstract: A total reflection X-ray fluorescence (TXRF) method in conjugation with dispersive liquid–liquid micro-extraction (DLLME) was developed for the determination of uranium present at ultra-trace levels in water samples. Calibration standard solutions, having uranium concentrations in… read more here.
Keywords: liquid; water; determination; water samples ... See more keywords
Ultra trace simultaneous determination of 50 polycyclic aromatic hydrocarbons in biota using pMRM GC-MS/MS
Sign Up to like & getrecommendations! Published in 2019 at "Environmental Forensics"
DOI: 10.1080/15275922.2019.1693443
Abstract: Abstract A saponification extraction method with gas chromatography pseudo-MRM (pMRM) mass spectrometry detection was developed for the determination of 50 total polycyclic aromatic hydrocarbons (TPAH50, a combination of parent and alkylated homologues) in biota. The… read more here.
Keywords: ringed ringed; determination; method; aromatic hydrocarbons ... See more keywords
Ultra-trace levels voltammetric determination of Pb2+ in the presence of Bi3+ at food samples by a Fe3O4@Schiff base Network1 modified glassy carbon electrode.
Sign Up to like & getrecommendations! Published in 2022 at "Talanta"
DOI: 10.2139/ssrn.4117482
Abstract: In this research, a highly sensitive electrochemical sensor was developed for the square wave anodic stripping voltammetric determination of Pb2+ at ultra-trace levels. A Glassy carbon electrode was modified with an in-situ electroplated bismuth film… read more here.
Keywords: electrode; ultra trace; voltammetric determination; determination ... See more keywords