Search
Search Results
-
Application of on-line sample preconcentration by large-volume dual preconcentration by isotachophoresis and stacking (LDIS) on straight-channel microchips
In this study, large-volume dual preconcentration by isotachophoresis and stacking (LDIS) which is an on-line sample preconcentration technique...
-
Employing electrochemically derived pH gradients for Lab-on-PCB protein preconcentration devices
Protein preconcentration is an essential sample preparation step for analysis in which the targeted proteins exist in low concentrations, such as...
-
Preconcentration and Test Determination of Phenols Using a Polyamide-Based Nanofiber
AbstractNew test tools made of nanofibers based on polyamide-6 (PA-6) for the sorption preconcentration of some phenols as their azo derivatives...
-
Capillary Electrophoresis–Mass Spectrometry for the Direct Analysis of Metabolites in Highly Saline Samples Using In-Capillary Preconcentration
Capillary electrophoresis–mass spectrometry (CE–MS) is gaining interest for metabolomics studies because of its high separation efficiency,...
-
Development of a microfluidic chip for protein preconcentration using dual gate structure and nanomembrane
This study presents the development of a protein preconcentration microfluidic chip utilizing a dual gate structure. The proposed chip consists of a...
-
Microextraction Separation and Preconcentration of Mycotoxins for Their Determination in Food Products
AbstractMycotoxins are among the most dangerous natural food contaminants. The review considers the principles of microextraction methods...
-
An overview of preconcentration techniques combined with inductively coupled plasma mass spectrometry for trace element determination in biological studies
In the last decades, the determination of trace elements in biological materials has emerged as an important area of study because of its relevance...
-
Analytical application of flower-shaped nickel nanomaterial for the preconcentration of manganese in domestic wastewater samples
In this study, detection sensitivity of the conventional flame atomic absorption spectrophotometer (FAAS) for the determination of manganese (Mn 2+ )...
-
Flow Injection Analysis Technique for Online Preconcentration of Lead Ions in Airborne Particulate Matter Using Imprinted Polymer as the Sorbent
This work reported a simple and sensitive flow injection analysis (FIA) technique coupled with a Flame Atomic Absorption Spectrophotometer (FAAS) for...
-
Sorption Preconcentration of Quercetin Using Molecularly Imprinted Phloroglucinol–Melamine–Formaldehyde Resins
AbstractHydrophilic quercetin-imprinted phloroglucinol–melamine–formaldehyde resins are obtained. The obtained samples are studied by...
-
N-rich hypercrosslinked porous polymers for highly efficient preconcentration and sensitive detection of chlorophenols
Three novel N-rich hypercrosslinked porous polymers (NHCP1, NHCP2, and NHCP3) were facilely developed using Friedel-Crafts alkylation. NHCP1 with a...
-
Preconcentration of Strontium and Barium by Coprecipitation with Organic Collectors and Their Determination by X-Ray Fluorescence
Abstract—Preconcentration of strontium and barium as complexes with 11 organic reagents by coprecipitation with organic co-precipitants for their...
-
Separation and Preconcentration of Impurities in Rare-Earth-Based Materials for Spectrometric Methods
AbstractThe efficiency of using rare earth metals largely depends on their impurity composition, which affects the structure and properties of...
-
Co-printing of micro/nanostructures integrated with preconcentration to enhance protein detection
This paper reports a fabrication method that can make microstructures such as microfluidic channels and nanostructures to generate surface plasmon...
-
From polyethylene waste bottles to UIO-66 (Zr) for preconcentration of steroid hormones from river water
Metal–organic framework (UiO-66 (Zr) was synthesized using polyethylene terephthalate (PET) and used as an adsorbent for extraction and...
-
Determination of Phenols by Liquid Chromatography-Mass Spectrometry with Sorption Preconcentration on Magnetic Hydrophobized Silica
AbstractA method is proposed for the highly sensitive determination of chloro- and nitrophenols in aqueous solutions, including the preconcentration...
-
On-line sample preconcentration by LVSEP-FASI with simple voltage control on Y-channel chips
To eliminate complicated voltage controls for highly sensitive microchip electrophoresis (MCE) analyses on the basis of combining two online sample...
-
Optimization and modeling of preconcentration of lead in rice samples by organic gas steam–liquid extraction
Organic gas steam–liquid extraction by using a special home-made extraction cell followed by graphite furnace atomic absorption spectrometry was...
-
Chitosan Functionalized Alunite as a Green Composite for Sorption and Preconcentration of Copper: From Parametric Optimization to Application
In this study, alunite was immobilized with chitosan to investigate the effective parameters for its adsorption and preconcentration potential for Cu 2+...
-
Supramolecular solvent based liquid–liquid microextraction and preconcentration of aluminum in water and biological samples
This study is focused on the design of a spectrophotometric technique for the liquid–liquid microextraction (Ss-LLME) of aluminum from water and hair...
