A Comparative study of sterically and electro-statically stabilized silver nanoparticles for the determination of muscle relaxant tizanidine: Insights of localized surface plasmon resonance, surface enhanced Raman spectroscopy and electrocatalytic activity

10.1016/j.talanta.2018.04.039

2018-04-11

A comparative study of two types of silver nanoparticles was investigated. The effect of the surface chemistry of the studied silver nanoparticles (AgNPs) on their localized surface plasmon resonance was utilized for the quantitative determination of muscle r...

Development of a SERS strategy to overcome the nanoparticle stabilisation effect in serum-containing samples: Application to the quantification of dopamine in the culture medium of PC-12 cells

10.1016/j.talanta.2018.04.038

2018-04-10

The analysis of serum samples by surface-enhanced Raman spectroscopy (SERS) has gained ground over the last years. However, the stabilisation of colloids by the proteins contained in these samples has restricted their use in common practice, unless antibodies...

Separation and Preconcentration of Actinides from Concentrated Nitric Acid by Extraction Chromatography in Microsystems

10.1016/j.talanta.2018.04.036

2018-04-10

An original method of monolith impregnation in microsystem for the analysis of radionuclides in nitric acid is reported. Three microcolumns made of monolith poly(AMA-co-EDMA) were impregnated in COC microsystems. The robustness of the microsystems in nitric a...

Ion Mobility Spectrometer with Orthogonal X-Ray Source for Increased Sensitivity

10.1016/j.talanta.2018.04.035

2018-04-10

Ion mobility spectrometers (IMS) are compact devices for extremely sensitive detection of proton and electron affine volatile compounds down to low pptv concentrations within less than a second. The measuring principle requires ionization of the target analyt...

A sensitive, colorimetric immunosensor based on Cu-MOFs and HRP for detection of dibutyl phthalate in environmental and food samples

10.1016/j.talanta.2018.04.023

2018-04-09

A sensitive and artful colorimetric immunosensor based on horseradish peroxidase (HRP) was designed by labelling metal−organic frameworks (Cu-MOFs) on the second antibody (Cu-MOFs@Ab2) as signal amplification for the detection of trace dibutyl phthalate (DBP)...

Rapid Synthesis of Three-Dimensional Sulfur-Doped Porous Graphene via Solid-State Microwave Irradiation for Protein Removal in Plasma Sample Pretreatment

10.1016/j.talanta.2018.04.027

2018-04-09

In this work, we prepared three-dimensional sulfur-doped porous graphene (3D-SPG) via solid-state microwave method and first introduced it to plasma sample pretreatment as adsorbent for the removal of proteins. The efficient heating effect of solid-state micr...

A colorimetric immunoassay based on glucose oxidase-induced AuNP aggregation for the detection of fumonisin B1

10.1016/j.talanta.2018.04.018

2018-04-08

Naked-eye readout colorimetric signal-based assays are promising for high-throughput screening detection and point-of-care diagnostics in resource-constrained regions. Here, a novel direct competitive plasmonic enzyme-linked immunosorbent assay (dc-pELISA) ba...

Digital analysis with droplet-based microfluidic for the ultrasensitive detection of β-Gal and AFP

10.1016/j.talanta.2018.04.016

2018-04-07

In this study, we presented a digital analysis with droplet-based microfluidic, which was applied for the detection of β-galactosidase (β-Gal) and AFP. The β-Gal was quantified according to the Poisson distribution in digital analysis with droplets containing...

On-line comprehensive two-dimensional liquid chromatography tandem mass spectrometry for the analysis of Curcuma kwangsiensis

10.1016/j.talanta.2018.04.014

2018-04-07

A novel online comprehensive two-dimensional liquid chromatography (2DLC) coupled with quadrupole time-of-flight (Q-TOF) mass spectrometry (MS) method is developed for the analysis of Curcuma kwangsiensis (C. kwangsiensis) extract. In this system, a newly dev...

Quantification of peptides in human synovial fluid using liquid chromatography–tandem mass spectrometry

10.1016/j.talanta.2018.03.105

2018-04-06

A method to explore the stability of two anti-inflammatory peptides in human synovial fluid (HSF) has been developed and validated using liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). The two peptides are BQ123 Cyclo(-D-Trp-D-Asp-L-Pro-...