Sensitive and Selective Determination of Caspase-3 Based on Calixarene Functionalized Reduction of Graphene Oxide Assisted Signal Amplification

10.1016/j.snb.2018.03.185

2018-04-11

Apoptosis is a crucial event for the efficacy of anticancer drug. Caspase-3 plays a critical role in cell signaling pathways of apoptosis. The calixarene derivatives display high affinity for various kinds of biomolecules by host-guest recognition own to thei...

Using statistical methods to carry out in field calibrations of low cost air quality sensors

10.1016/j.snb.2018.04.021

2018-04-11

The poor air quality found in big cities is harmful to human health. The aim of the LIFE PHOTOSCALING Project (LPP) is to assess the effectiveness of different photocatalytic pavements in reducing NO2 pollution. The objective of this preliminary study is to d...

Self-powered smelling electronic-skin based on the piezo-gas-sensor matrix for real-time monitoring the mining environment

10.1016/j.snb.2018.04.046

2018-04-10

A flexible self-powered smelling electronic-skin (e-skin) for real-time monitoring the mining environment has been fabricated from piezo-gas-sensor matrix of ZnO-based composite nanowires (NWs) via soft photolithography technique. The e-skin includes four sen...

Naphthalene-Glycine Conjugate: An Extremely Selective Colorimetric Chemosensor for Iodide Ion in Aqueous Solution

10.1016/j.snb.2018.04.038

2018-04-09

A distinctive water soluble chemosensor based on naphthalene-glycine conjugate has been designed. The synthesized molecule is highly selective and sensitive towards detection of iodide ion in aqueous solution. The probe exhibits a color change from colorless ...

A Novel Method for the Detection of Silver Ions with Carbon Dots: Excellent Selectivity, Fast Response, Low Detection Limit and Good Applicability

10.1016/j.snb.2018.04.036

2018-04-09

With the extensive application of silver containing materials in industry, the issue of release of silver ions has attracted increasing attention due to toxic effect of silver ions on the human health and environment. Traditionally, silver ions can be detecte...

Construction of CdS/Ag2S-based Broad-Spectrum Photoelectrochemical Immunosensor for Simultaneous Assessment of Ochratoxins by Multivariable Linear Regression

10.1016/j.snb.2018.04.026

2018-04-09

A broad-spectrum photoelectrochemical (PEC) immunoassay to detect ochratoxins was established by using the CdS nanorod arrays (CdS NRs)/Ag2S on FTO as the photoelectrode and the CuO@secondary antibody (Ab2) label as the signal amplification. Due to the advant...

Light-regulated electrochemical reaction: can it be able to improve the response behavior of amperometric gas sensors?

10.1016/j.snb.2018.04.032

2018-04-07

Selectivity of the Zirconia-based amperometric gas sensors can be easily controlled via manipulating the applied bias voltage. Nevertheless, poor sensitivity and inadequate response signal hindered their research foreground. Recently, light-regulated electroc...

An integrated gas-liquid droplet microfluidic platform for digital sampling and detection of airborne targets

10.1016/j.snb.2018.03.057

2018-04-06

The use of microfluidic droplets has become ubiquitous in many Lab-on-a-Chip (LOC) applications ranging from material synthesis to novel biochemical sensing. In this paper, we introduce a new droplet-based approach that incorporates a gas phase for generating...

Ultrasensitive and non-labeling fluorescence assay for biothiols using enhanced silver nanoclusters

10.1016/j.snb.2018.04.010

2018-04-04

A label-free, ultra-sensitive and turn-off fluorescence method for detecting cysteine (Cys) has been developed using enhanced DNA-templated silver nanoclusters (DNA-AgNCs) as the fluorescence probe. The method is based on the specific interaction between Cys ...

3D SWCNTs-Coumarin Hybrid Material for Ultra-sensitive Determination of Quercetin Antioxidant Capacity

10.1016/j.snb.2018.04.012

2018-04-04

The novel 7-propinyloxy-3-(p-propinyloxyphenyl)coumarin which has double terminal ethynly groups was synthesized for the first time. This coumarin has been successfully bounded covalently to single walled carbon nanotubes (SWCNTs) via the azide-alkyne Huisgen...