Showing papers in "Talanta in 2015"

TL;DR: It is proved that the formation of CS-Al(3+) complex is fully reversible and can sense to AcO(-)/F(-) via dissociation.

TL;DR: Parts related to the interaction between the NPs and plants, their toxicities, and the phytoremediation process, among others, are discussed.

TL;DR: Progress on immobilization and microarray techniques of peptides has facilitated the progress and commercial application of chip-based peptide biosensors in clinical diagnosis, and peptides may play a generalist role in peptide-based bios Sensors.

TL;DR: The proposed method was successfully applied to biological sample analysis and got excellent recoveries in the range of 81-113% even the matrix was complex, and the adsorbed metal ions were easy eluted by controlling the pH condition and the materials could be reused more than 20 times.

TL;DR: It is demonstrated that the photoluminescent C-QDs display hypotoxicity and are biocompatible for use as biosensors in living cells and could provide an effective platform for portable detection of Fe(3+) ions.

TL;DR: An innovative and simple method for synthesizing carbon dots (CDs) with satisfactory fluorescence has been successfully established while rose flowers served as carbon source for the first time and these CDs were further applied for fluorescent coding, demonstrating their promising future towards various applications in analytic science.

TL;DR: The present review evaluates the key modules of the electronic nose, a biomimetic system, with specific examples of applications to industrial emissions monitoring and measurement, and describes the pros and cons of artificial olfaction technique for the industrial applications.

TL;DR: Graphene promotes the different rapid electron transfers that facilitate accurate and selective detection of cytochrome-c, β-nicotinamide adenine dinucleotide, haemoglobin, biomolecules such as glucose, cholesterol, ascorbic acid, uric acid

TL;DR: 3-(2-aminoethylamino) propyltrimethoxysilane (AAPTS) functionalized multi-wall carbon nanotubes (MWCNTs) were synthesized and employed as the adsorbent for simultaneous speciation analysis of inorganic arsenic, chromium and selenium in environmental waters by microcolumn solid-phase extraction (SPE)-inductively coupled plasma mass spectrometry (ICP-MS).

TL;DR: The method was successfully applied to the determination of lead and cadmium in various edible oils and enhancement factors of 198 and 195 and limits of detection of 8 and 0.2 ng kg(-1) were achieved for lead and Cadmium respectively.

TL;DR: A novel imprinted electrochemical sensor based on graphene/carbon nanotubes three-dimensional (3D) nanocomposites modified carbon electrode was developed and showed excellent selectivity towards tetrabromobisphenol A.

TL;DR: A facile one-pot solid-phase synthesis strategy for N-doped GQDs using citric acid as the carbon source and 3,4-dihydroxy-L-phenylalanine (L-DOPA) as the N source is introduced and a highly efficient fluorosensor was developed for the detection of Hg(2+) because of the effective quenching effect of metal ions via nonradiative electron transfer.

TL;DR: In this article, the biosensors and biomarkers, which were commonly used in terms of monitoring the diagnosis and treatment of cancer and cardiac diseases, are reviewed and the developed biosensor are compared interms of precision, reproducibility, regeneration, stability and specificity.

TL;DR: Results show the adequateness of MOFs as sorbents in VA-D-µ-SPE procedures despite sample complexity, and HKUST-1 was the most adequate MOF to work with.

TL;DR: It is found that the peroxidase-like activity of MoS2 nanoparticles (NPs) is dependent on the surface charge, and a novel platform for colorimetric detection of H2O2 is established, which can be used for high sensitivity and selectivity detection of glucose with a wide linear range of 5.0-500μM.

TL;DR: This review assembles articles published since 2000 regarding chromium speciation in water samples with the use of HPLC/ICP-MS and addresses the following issues: chromium chemistry, the possibilities of dealing with interferences, metrological aspects, analytical performance and speciated isotope dilution mass spectrometry (SIDMS) which is a definitive measurement method.

TL;DR: Results showed that the improved region of interest (ROI) method could be used to extract effective spectral information to withstand the interference of freezing, and choosing appropriate spectral bands and spectral pretreatment techniques were crucial to develop robust mathematical model.

TL;DR: The high affinity of g-C3N4 toward polycyclic aromatic hydrocarbons and the magnetic behavior of Fe3O4 were combined to provide an efficient and simple magnetic solid phase extraction (MSPE) and this method was successfully applied to the analysis of real water samples.

TL;DR: A comprehensive method for the analysis of trace levels of 44 antibiotic compounds including tetracyclines, quinolones, macrolides and sulfonamides in animal faeces by liquid chromatography in combination with tandem mass spectrometric (LC-MS/MS) detection is reported.

TL;DR: The fabrication techniques of fully paper-based and paper hybrid microfluidic platforms are summarized, followed with their applications in human health diagnostics and food safety analysis, and hybrid platforms are highlighted because hybrid platforms could draw benefits from multiple device substrates.

TL;DR: A brief overview of the fundamentals of HSI and a comprehensive review of applications of H SI in microbiology over the past 10 years are given.

TL;DR: The present study aims to identify the renewable resources available in Brazil such as açai seed, coconut husk, coffee husks, rice husks), eucalyptus sawdust, grass, soy peel, bamboo, banana stems and banana stalks, which are potential candidates for bioenergy production.

TL;DR: The sensor that was based on a nanocomposite film of RGO/WO3 exhibited a strong response to low concentrations of NO2 gas at room temperature, satisfactory linearity and favorable long-term stability.

TL;DR: The label-free bacteria sensor developed by combining LSPR and aptamers will be useful for diagnosing various infectious diseases through a single convenient assay.

TL;DR: The proposed method allows the determination of the target analyte with limit of detection of 0.08 μg/L and good precision and the recoveries were in the range of 72-100% fulfilling the Environmental Protection Agency criterion.

TL;DR: It was confirmed that this novel method was an efficient pretreatment and enrichment procedure and could be successfully applied for extraction and determination of trace carbamate pesticides in complex matrices.

TL;DR: The results demonstrate that the diffusional limitation induced by the aggregation of carbon nanoparticles cannot be ignored because it can lead to increased reaction times, low efficiency, and high economic costs when low concentrations of environmental contaminants are used.

TL;DR: An electrochemical sensor for highly sensitive and selective detection of DBP was successfully constructed as demonstration based on the synthesized MGO@AuNPs-MIPs composite.

TL;DR: The proposed method, based on the reduction of Fe(III) to Fe(II) by carbendazim, its reaction with potassium ferricynide to form a blue product and extraction into CCL4 by DLLME technique using methyltrioctylammonium chloride (Aliquat 336) as a disperser agent, was successfully applied to determination of carb endazim in soil and water samples.

TL;DR: The obtained results confirmed that the prepared porous ZnO-SnO2 nanosheets are potential material for the removal of organic pollutants under visible light irradiation and efficient chemical sensing applications.