Jump to main content
Jump to site search

Themed collection Recent HOT articles

79 items - Showing page 1 of 2
Communication

A non-reductive electrochemical sensor for ultrasensitive detection of pM-level TNT

Most of the current electrochemical sensors for the detection of nitroaromatic explosives directly exploit the reduction of nitro groups at the electrode.

Graphical abstract: A non-reductive electrochemical sensor for ultrasensitive detection of pM-level TNT
From the themed collection: Recent HOT articles
Communication

Selective turn-on detection of low levels of cysteine and homocysteine based on fluorescent hydroxyapatite nanoparticles

Fluorescence assay of low levels of biothiols, such as cysteine and homocysteine, based on hydroxyapatite nanoparticles is reported.

Graphical abstract: Selective turn-on detection of low levels of cysteine and homocysteine based on fluorescent hydroxyapatite nanoparticles
From the themed collection: Recent HOT articles
Communication

Label-free colorimetric aptasensor for highly sensitive and selective detection of proteins by using PNA/DNA hybrids and a cyanine dye

A label-free colorimetric aptasensor that uses PNA/DNA hybrids and a cyanine dye (DiSC2(5)) was developed for highly sensitive and selective detection of proteins in aqueous solution.

Graphical abstract: Label-free colorimetric aptasensor for highly sensitive and selective detection of proteins by using PNA/DNA hybrids and a cyanine dye
From the themed collection: Recent HOT articles
Open Access Communication

Measuring elasticity of wet cellulose fibres with AFM using indentation and a linearized Hertz model

The mechanical properties of different pulp fibres in liquid were measured using an atomic force microscope.

Graphical abstract: Measuring elasticity of wet cellulose fibres with AFM using indentation and a linearized Hertz model
From the themed collection: Recent HOT articles
Communication

One-step detection of hexokinase activity using a personal glucose meter

Using commercially available personal glucose meters for the determination of hexokinase activity.

Graphical abstract: One-step detection of hexokinase activity using a personal glucose meter
From the themed collection: Recent HOT articles
Paper

Rapid fabrication of versatile omni-directional and long-distance three-dimensional flow paper-fluidic analytical devices using a cut-and-insert method for biomedical applications

Paper fluidics has recently offered an approach to precisely guide liquid flow in analytical devices with a low-cost regime.

Graphical abstract: Rapid fabrication of versatile omni-directional and long-distance three-dimensional flow paper-fluidic analytical devices using a cut-and-insert method for biomedical applications
From the themed collection: Recent HOT articles
Paper

Microfabrication-based isothermal titration calorimetry using a combined in-mixing and post-mixing titration approach

Advances in microfabrication technology can enable innovative tools for isothermal titration calorimetry (ITC) with a combined in-mixing and post-mixing titration, for accurate determination of thermodynamic parameters of reaction systems.

Graphical abstract: Microfabrication-based isothermal titration calorimetry using a combined in-mixing and post-mixing titration approach
From the themed collection: Recent HOT articles
Paper

Simple spectrofluorimetric methods for determination of two pharmaceutically active compounds; salmeterol and trimebutine in their raw materials and pharmaceutical dosage forms in nano concentrations and testing of content uniformity

Simple and rapid spectrofluorimetric methods based on the native fluorescence properties of salmeterol in its aqueous solution and enhanced native fluorescence of trimebutine were developed.

Graphical abstract: Simple spectrofluorimetric methods for determination of two pharmaceutically active compounds; salmeterol and trimebutine in their raw materials and pharmaceutical dosage forms in nano concentrations and testing of content uniformity
From the themed collection: Recent HOT articles
Paper

Facile preparation of Ag nanoparticles using uric acid and their applications in colorimetric detection and catalysis

In this study, we have reported a facile, cost-effective method for the synthesis of silver nanoparticles (Ag NPs) using uric acid (UA) as the reducing agent.

Graphical abstract: Facile preparation of Ag nanoparticles using uric acid and their applications in colorimetric detection and catalysis
From the themed collection: Recent HOT articles
Paper

Ion mobility mass spectrometry workflows for characterizing bioactive isomer conformation, isomerization and drug–protein–liposome interaction

Ion mobility mass spectrometry enhances our ability to study conformational changes of bioactive isomers and their interactions with macromolecules.

Graphical abstract: Ion mobility mass spectrometry workflows for characterizing bioactive isomer conformation, isomerization and drug–protein–liposome interaction
From the themed collection: Recent HOT articles
Paper

A smart and sensitive sensing platform to monitor the extracellular concentration of hydrogen peroxide in rat brain microdialysates during pathological processes based on mesoporous silica nanoparticles

An effective and biocompatible H2O2 stimuli-responsive chemical sensing platform has been developed based on mesoporous silica nanoparticles (MSNPs).

Graphical abstract: A smart and sensitive sensing platform to monitor the extracellular concentration of hydrogen peroxide in rat brain microdialysates during pathological processes based on mesoporous silica nanoparticles
From the themed collection: Recent HOT articles
Paper

A Cu(II) coordination polymer-based catalytic sensing system for detecting cysteine and sulfur anions

Developing Cu(II) coordination polymer-based artificial enzyme mimics for establishing highly selective and sensitive sensing platform for Cys and S2− anions.

Graphical abstract: A Cu(ii) coordination polymer-based catalytic sensing system for detecting cysteine and sulfur anions
From the themed collection: Recent HOT articles
Paper

Novel, sensitive and selective colorimetric detection of arsenate in aqueous solution by a Fenton-like reaction of Fe3O4 nanoparticles

In this paper, we present a novel colorimetric sensor for the detection of arsenate in aqueous solution.

Graphical abstract: Novel, sensitive and selective colorimetric detection of arsenate in aqueous solution by a Fenton-like reaction of Fe3O4 nanoparticles
From the themed collection: Recent HOT articles
Paper

Ultrasound-assisted emulsification of solidified floating organic drop microextracted for pre-concentration of cadmium in food and water samples

This work showed the developed of analytical method for determination of cadmium in foods and water samples using ultrasound assisted emulsification of solidified floating organic drop microextraction with 1-(2-thiazolylazo)-p cresol (TAC).

Graphical abstract: Ultrasound-assisted emulsification of solidified floating organic drop microextracted for pre-concentration of cadmium in food and water samples
From the themed collection: Recent HOT articles
Paper

Calcium alginate microparticles for rare earth elements preconcentration prior to ICP-MS measurements in fresh water

Calcium alginate microparticles were used for the preconcentration of rare earth elements for ICP-MS analysis of fresh waters.

Graphical abstract: Calcium alginate microparticles for rare earth elements preconcentration prior to ICP-MS measurements in fresh water
From the themed collection: Recent HOT articles
Paper

Copper nanoclusters with strong fluorescence emission as a sensing platform for sensitive and selective detection of picric acid

The detection of picric acid has been developed based on a combined effect of molecular interactions and inner filter effect.

Graphical abstract: Copper nanoclusters with strong fluorescence emission as a sensing platform for sensitive and selective detection of picric acid
From the themed collection: Recent HOT articles
Paper

Silicon quantum dot involved luminol chemiluminescence and its sensitive detection of dopamine

Water dispersible silicon quantum dots (SiQDs) were synthesized by in situ growth under microwave irradiation.

Graphical abstract: Silicon quantum dot involved luminol chemiluminescence and its sensitive detection of dopamine
From the themed collection: Recent HOT articles
Paper

Carbon tape as a convenient electrode material for electrochemical paper-based microfluidic devices (ePADs)

ePADs represent an innovative and versatile platform for fluid handling and analysis.

Graphical abstract: Carbon tape as a convenient electrode material for electrochemical paper-based microfluidic devices (ePADs)
From the themed collection: Recent HOT articles
Paper

A strategy to facilitate the assembly of DNA and upconversion nanoparticles for biosensor construction

We coated upconversion nanoparticles with polydopamine as an effective and convenient strategy to assemble them with DNA and therefore construct a biosensor with DNA-templated silver nanoparticles as the LRET donor–acceptor pair for a proof-of-concept target detection.

Graphical abstract: A strategy to facilitate the assembly of DNA and upconversion nanoparticles for biosensor construction
From the themed collection: Recent HOT articles
Paper

Rapid extraction of trace bisphenol A in real water samples using hollow mesoporous silica surface dummy molecularly imprinted polymers

The HM-DMIPs displayed good affinity and excellent binding selectivity to BPA.

Graphical abstract: Rapid extraction of trace bisphenol A in real water samples using hollow mesoporous silica surface dummy molecularly imprinted polymers
From the themed collection: Recent HOT articles
Paper

Contrasting confocal XRF with micro-SORS: a deep view within micrometric painted stratigraphy

The study presents the application of combined micro-Spatially Offset Raman Spectroscopy (micro-SORS) and confocal X-ray fluorescence (confocal XRF) to the non-destructive investigation of micrometer scale stratified painted systems.

Graphical abstract: Contrasting confocal XRF with micro-SORS: a deep view within micrometric painted stratigraphy
From the themed collection: Recent HOT articles
Paper

A fast spectrofluorimetric method for determination of carbinoxamine maleate in the nano-molar range. Application to pharmaceutical preparations, biological fluids and stability studies

Carbinoxamine maleate (CBX), which is a common ingredient of cold and cough treatment preparations, is determined by a sensitive, simple and convenient spectrofluorimetric method in its pure form, pharmaceutical preparations and spiked human plasma.

Graphical abstract: A fast spectrofluorimetric method for determination of carbinoxamine maleate in the nano-molar range. Application to pharmaceutical preparations, biological fluids and stability studies
From the themed collection: Recent HOT articles
Paper

Pt catalyzed formation of a Ni@Pt/reduced graphene oxide nanocomposite: preparation and electrochemical sensing application for glucose detection

In this work, a Ni@Pt/rGO nanocomposite was prepared for the first time by a two-step reduction method.

Graphical abstract: Pt catalyzed formation of a Ni@Pt/reduced graphene oxide nanocomposite: preparation and electrochemical sensing application for glucose detection
From the themed collection: Recent HOT articles
Paper

Continuous monitoring of adenosine and its metabolites using microdialysis coupled to microchip electrophoresis with amperometric detection

Reversibly sealed all-PDMS device with CF working electrode for continuous on-line analysis of microdialysis samples.

Graphical abstract: Continuous monitoring of adenosine and its metabolites using microdialysis coupled to microchip electrophoresis with amperometric detection
From the themed collection: Recent HOT articles
Paper

Near-infrared and lysosome-targetable fluorescent probe based on phenoxazinium for hydrogen peroxide detection

A phenoxazinium-based near-infrared fluorescent probe was designed and synthesized for rapid and selective detection of H2O2 in lysosomes.

Graphical abstract: Near-infrared and lysosome-targetable fluorescent probe based on phenoxazinium for hydrogen peroxide detection
From the themed collection: Recent HOT articles
Paper

A novel near-infrared probe for the imaging of superoxide anion fluctuations and hydrogen ion enhancement in vivo

A novel synthesized reaction-based near-infrared imaging probe (IR-747-SAPH) exhibits high selectivity to O2˙ and H+ fluxes in vivo.

Graphical abstract: A novel near-infrared probe for the imaging of superoxide anion fluctuations and hydrogen ion enhancement in vivo
From the themed collection: Recent HOT articles
Paper

A new analytical method for lead determination in atmospheric particulate matter by a combination of ultrasound-assisted extraction and supramolecular solvent preconcentration

Air pollution by lead, even in small concentrations, can cause serious health effects.

Graphical abstract: A new analytical method for lead determination in atmospheric particulate matter by a combination of ultrasound-assisted extraction and supramolecular solvent preconcentration
From the themed collection: Recent HOT articles
Paper

A fast and novel internal calibration method for quantitative Raman measurements on aqueous solutions

Quantitative Raman spectroscopy despite the experimental parameter variations and overlapping solute and solvent Raman bands.

Graphical abstract: A fast and novel internal calibration method for quantitative Raman measurements on aqueous solutions
From the themed collection: Recent HOT articles
Paper

Amino-functionalized CdSe/ZnS quantum dot-based lateral flow immunoassay for sensitive detection of aflatoxin B1

In this study, highly fluorescent amino-functionalized CdSe/ZnS QDs coated with amphiphilic N-alkylated poly(ethyleneimine) have been synthesized and applied as fluorescent probes in LFIA strips for on-site determination of AFB1.

Graphical abstract: Amino-functionalized CdSe/ZnS quantum dot-based lateral flow immunoassay for sensitive detection of aflatoxin B1
From the themed collection: Recent HOT articles
Paper

ATR-FTIR spectroscopy with equidistant combination PLS method applied for rapid determination of glycated hemoglobin

A rapid quantification method of glycated hemoglobin (HbA1c) is proposed based on ATR-FTIR spectroscopy in human hemolysate samples.

Graphical abstract: ATR-FTIR spectroscopy with equidistant combination PLS method applied for rapid determination of glycated hemoglobin
From the themed collection: Recent HOT articles
Open Access Paper

Fluorescence signal-to-noise optimisation for real-time PCR using universal reporter oligonucleotides

In this study we optimised the fluorescence signal generation of contact quenched universal reporter oligonucleotides.

Graphical abstract: Fluorescence signal-to-noise optimisation for real-time PCR using universal reporter oligonucleotides
From the themed collection: Recent HOT articles
Paper

Advancement of analytical modes in a multichannel, microfluidic droplet-based sample chopper employing phase-locked detection

Multichannel droplet-based microfluidic sample chopper (μChopper) allows continuous calibration, nanoliter sampling, and protein quantification in human serum.

Graphical abstract: Advancement of analytical modes in a multichannel, microfluidic droplet-based sample chopper employing phase-locked detection
From the themed collection: Recent HOT articles
Paper

An early fire sensor based on infrared gas analytical methods

A CO sensor based on a 2.33 μm DFB laser and the WMS technique for early fire detection.

Graphical abstract: An early fire sensor based on infrared gas analytical methods
From the themed collection: Recent HOT articles
Paper

Magnetic surface molecularly imprinted polymeric microspheres using gallic acid as a segment template for excellent recognition of ester catechins

The magnetic molecularly imprinted polymers (MMIPs) with gallic acid as a segment template can simultaneously recognize and separate ester catechins as a whole form tea samples.

Graphical abstract: Magnetic surface molecularly imprinted polymeric microspheres using gallic acid as a segment template for excellent recognition of ester catechins
From the themed collection: Recent HOT articles
Paper

New paper-based microfluidic tools for the analysis of blood serum protein and creatinine built via aerosolized deposition of polycaprolactone

Aerosolized deposition of a polymer solution to a substrate allows for rapid, low-cost fabrication of 3D microfluidic devices for bioassays.

Graphical abstract: New paper-based microfluidic tools for the analysis of blood serum protein and creatinine built via aerosolized deposition of polycaprolactone
From the themed collection: Recent HOT articles
Paper

Application of dual-template molecularly imprinted polymer-based solid phase extraction for determination of phenothiazines and benzodiazepines in swine feed

Process of dual-template molecularly imprinted polymer-based solid phase extraction for phenothiazines and benzodiazepines.

Graphical abstract: Application of dual-template molecularly imprinted polymer-based solid phase extraction for determination of phenothiazines and benzodiazepines in swine feed
From the themed collection: Recent HOT articles
Paper

Isothermal amplification of long DNA segments by quadruplex priming amplification

Amplification of long DNA segments with the highest possible specificity and lowest bias is one of the main goals of modern genomics.

Graphical abstract: Isothermal amplification of long DNA segments by quadruplex priming amplification
From the themed collection: Recent HOT articles
Paper

A novel method for geographical origin identification of Tetrastigma hemsleyanum (Sanyeqing) by near-infrared spectroscopy

Tetrastigma hemsleyanum Diels et Gilg (T. hemsleyanum), also known as Sanyeqing in Chinese, is a rare medicinal herb.

Graphical abstract: A novel method for geographical origin identification of Tetrastigma hemsleyanum (Sanyeqing) by near-infrared spectroscopy
From the themed collection: Recent HOT articles
Paper

Fluorescent carbon dots directly derived from polyethyleneimine and their application for the detection of Co2+

Synthesizing CDs directly derived from PEI and their application for the detection of Co2+.

Graphical abstract: Fluorescent carbon dots directly derived from polyethyleneimine and their application for the detection of Co2+
From the themed collection: Recent HOT articles
Paper

Controllable synthesis of cellulose benzoates for understanding of chiral recognition mechanism and fabrication of highly efficient chiral stationary phases

The core of enantioseparation is to combine the hydrophobic helical conformation of cellulose derivatives with weak non-enantioselective interactions.

Graphical abstract: Controllable synthesis of cellulose benzoates for understanding of chiral recognition mechanism and fabrication of highly efficient chiral stationary phases
From the themed collection: Recent HOT articles
Paper

Improvements in identification and quantitation of pesticide residues in food by LC-QTOF using sequential mass window acquisition (SWATH®)

The efficiency of a data independent acquisition by the sequential window acquisition of all theoretical fragment ions (SWATH®) in high resolution accurate mass spectrometry was evaluated for pesticide residue analysis.

Graphical abstract: Improvements in identification and quantitation of pesticide residues in food by LC-QTOF using sequential mass window acquisition (SWATH®)
From the themed collection: Recent HOT articles
Paper

Multi-waveform fast-scan cyclic voltammetry mapping of adsorption/desorption kinetics of biogenic amines and their metabolites

A novel multi-waveform FSCV (M-FSCV) developed for characterizing adsorption/desorption kinetics of neurotransmitters.

Graphical abstract: Multi-waveform fast-scan cyclic voltammetry mapping of adsorption/desorption kinetics of biogenic amines and their metabolites
From the themed collection: Recent HOT articles
Paper

Determination of alkyl ammonium ionic liquid cations by hydrophilic interaction liquid chromatography and its application in analysis of environmental water

Analysis of alkyl ammonium ionic liquid cations in environmental water by the reversed phase ion-pair SPE combined with HILIC-IUV. (a) The chromatogram of alkyl ammonium cations; (b) the chromatogram of alkyl ammonium cations after enrichment.

Graphical abstract: Determination of alkyl ammonium ionic liquid cations by hydrophilic interaction liquid chromatography and its application in analysis of environmental water
From the themed collection: Recent HOT articles
Paper

Low cost adsorbents in ultrasound-assisted dispersive micro solid-phase extraction for simultaneous determination of indium and nickel by high-resolution continuum source graphite furnace atomic absorption spectrometry in soils and sediments

In this study, the analytical potential of USA DMSPE with bentonite clay as a low cost adsorbent combined with HR-CS GF AAS in the simultaneous determination of In and Ni was evaluated.

Graphical abstract: Low cost adsorbents in ultrasound-assisted dispersive micro solid-phase extraction for simultaneous determination of indium and nickel by high-resolution continuum source graphite furnace atomic absorption spectrometry in soils and sediments
From the themed collection: Recent HOT articles
Paper

A colorimetric method for cysteine determination based on the peroxidase-like activity of ficin

H2O2 could oxidize TMB to blue-colored oxTMB with catalysis by ficin. L-Cys competed with TMB for H2O2 leading to fading of the chromogenic reaction.

Graphical abstract: A colorimetric method for cysteine determination based on the peroxidase-like activity of ficin
From the themed collection: Recent HOT articles
Paper

Determination of polycyclic aromatic hydrocarbons with molecular mass 302 in standard reference material 1597a by reversed-phase liquid chromatography and stop-flow fluorescence detection

NPLC-RPLC/FL and stop-flow fluorescence spectral analysis for the six-ring MM 302 PAH isomers in SRM 1597a.

Graphical abstract: Determination of polycyclic aromatic hydrocarbons with molecular mass 302 in standard reference material 1597a by reversed-phase liquid chromatography and stop-flow fluorescence detection
From the themed collection: Recent HOT articles
Paper

Determination of Cu2+ and biothiols by novel red fluorescent hybrid nanoparticles

Red fluorescent hybrid nanoparticles (NPG@PFBD) have been designed and synthesized successfully.

Graphical abstract: Determination of Cu2+ and biothiols by novel red fluorescent hybrid nanoparticles
From the themed collection: Recent HOT articles
Open Access Paper

A novel EI-GC/MS method for the accurate quantification of anti-aging compound oleoylethanolamine in C. elegans

A novel GC-MS method for the quantification of oleoylethanolamine in C. elegans.

Graphical abstract: A novel EI-GC/MS method for the accurate quantification of anti-aging compound oleoylethanolamine in C. elegans
From the themed collection: Recent HOT articles
Paper

Direct and ultrasensitive fluorescence detection of PETN vapor based on a fuorene-dimer probe via a synergic backbone and side-chain tuning

Due to TPA attraction, the distance between PETN and 6TPA-2FT is shortened, and both PET and intermolecular forces are promoted.

Graphical abstract: Direct and ultrasensitive fluorescence detection of PETN vapor based on a fuorene-dimer probe via a synergic backbone and side-chain tuning
From the themed collection: Recent HOT articles
Paper

Electrochemical sensing of NBOMes and other new psychoactive substances in blotting paper by square-wave voltammetry on a boron-doped diamond electrode

The electrochemical quantification of NBOMes and their correlates in seized blotting paper is presented.

Graphical abstract: Electrochemical sensing of NBOMes and other new psychoactive substances in blotting paper by square-wave voltammetry on a boron-doped diamond electrode
From the themed collection: Recent HOT articles
Paper

A sensitive UPLC-APCI-MS/MS method for the determination of dexamethasone and its application in an ocular tissue distribution study in rabbits following topical administration

A sensitive, specific and rapid ultra-performance liquid chromatography tandem mass spectrometry method has been developed and validated for the determination of dexamethasone (DEX) in ocular tissues of rabbits.

Graphical abstract: A sensitive UPLC-APCI-MS/MS method for the determination of dexamethasone and its application in an ocular tissue distribution study in rabbits following topical administration
From the themed collection: Recent HOT articles
Paper

Exploring MBTH as a spectrophotometric probe for the determination of total phenolic compounds in beverage samples

An alternative method using MBTH as a spectrophotometric probe for the determination of total phenolic compounds in samples of wines (red and white), coffees (instant and brewed), teas and infusions.

Graphical abstract: Exploring MBTH as a spectrophotometric probe for the determination of total phenolic compounds in beverage samples
From the themed collection: Recent HOT articles
Paper

Highly selective preconcentration of ultra-trace amounts of lead ions in real water and food samples by dispersive solid phase extraction using modified magnetic graphene oxide as a novel sorbent

A simple dispersive solid-phase extraction method coupled with atomic absorption spectrometry detection was developed for selective separation of ultra-trace of lead ion using graphene oxide modified such as the pseudo imprinted polymer sorbent in real samples.

Graphical abstract: Highly selective preconcentration of ultra-trace amounts of lead ions in real water and food samples by dispersive solid phase extraction using modified magnetic graphene oxide as a novel sorbent
From the themed collection: Recent HOT articles
Paper

Disposable graphene sensor with an internal reference electrode for stripping analysis of heavy metals

An all-graphene-based disposable sensor with a ‘built in’ internal reference was applied for the stripping analysis of heavy metals.

Graphical abstract: Disposable graphene sensor with an internal reference electrode for stripping analysis of heavy metals
From the themed collection: Recent HOT articles
Open Access Paper

Measuring the size and density of nanoparticles by centrifugal sedimentation and flotation

Analytical centrifugation in sedimentation and flotation modes is used to measure both the size and density of polystyrene nanoparticles.

Graphical abstract: Measuring the size and density of nanoparticles by centrifugal sedimentation and flotation
From the themed collection: Recent HOT articles
Paper

Ultrasensitive and direct fluorescence detection of RDX explosive vapor via side-chain terminal functionalization of a polyfluorene probe

We have designed and synthesized a polyfluorene probe with side-chain terminals functionalized with Boc-NH– units (PF6-Boc) for ultrasensitive RDX explosive vapor detection.

Graphical abstract: Ultrasensitive and direct fluorescence detection of RDX explosive vapor via side-chain terminal functionalization of a polyfluorene probe
From the themed collection: Recent HOT articles
Paper

Highly emissive salicylidene Schiff bases (SASBs) in solution and their application in the detection of the chemical warfare agent mimic diethyl chlorophosphate

Salicylidene Schiff bases (SASBs) have attracted significant attention because they have unique properties and can be simply synthesized by the condensation reactions; however, their poor fluorescence in solution makes them unable to be used as a fluorescent turn-off probe and limits their application fields.

Graphical abstract: Highly emissive salicylidene Schiff bases (SASBs) in solution and their application in the detection of the chemical warfare agent mimic diethyl chlorophosphate
From the themed collection: Recent HOT articles
Paper

Quantitative comparison of three representative staining methods for the development of multichannel colorimetric biochips

Quantitative comparison of three representative staining methods for developing multichannel colorimetric biochips, which allow visual detection of multiple cancer markers.

Graphical abstract: Quantitative comparison of three representative staining methods for the development of multichannel colorimetric biochips
From the themed collection: Recent HOT articles
Paper

A Pt and Pd bimetal nanowire based stereoselective sensor for the discrimination of ascorbic acid and isoascorbic acid

A simple Pt and Pd bimetal nanowire based stereoselective sensor for the recognition of ascorbic acid and isoascorbic acid.

Graphical abstract: A Pt and Pd bimetal nanowire based stereoselective sensor for the discrimination of ascorbic acid and isoascorbic acid
From the themed collection: Recent HOT articles
Paper

Online coupling of tandem liquid-phase extraction with HPLC-UV for the determination of trace N-nitrosamines in food products

N-Nitrosamines (NAs) are potent carcinogens and have been found in food products.

Graphical abstract: Online coupling of tandem liquid-phase extraction with HPLC-UV for the determination of trace N-nitrosamines in food products
From the themed collection: Recent HOT articles
Paper

Quantification of cocaine and its adulterants by nuclear magnetic resonance spectroscopy without deuterated solvents (No-D qNMR)

A new analytical method was developed to quantify cocaine and some adulterants using nuclear magnetic resonance spectroscopy without the use of deuterated solvents.

Graphical abstract: Quantification of cocaine and its adulterants by nuclear magnetic resonance spectroscopy without deuterated solvents (No-D qNMR)
From the themed collection: Recent HOT articles
Paper

The stability of 57 consensus values in a proficiency test material re-issued blind after an interval of 18 years

Despite changes in the analytical methodology and the population of participant laboratories, there was remarkably little change in the consensus values.

Graphical abstract: The stability of 57 consensus values in a proficiency test material re-issued blind after an interval of 18 years
From the themed collection: Recent HOT articles
Paper

Encapsulating a ruthenium(II) complex into metal organic frameworks to engender high sensitivity for dopamine electrochemiluminescence detection

In this contribution, an ultra-sensitive electrochemiluminescence (ECL) sensor was proposed for dopamine (DA) detection based on ruthenium(II) complex (tris(2,2-bipyridyl)dichlororuthenium(II) hexahydrate, Ru(bpy)32+) functionalized Zn(II) metal–organic frameworks (Ru-MOFs).

Graphical abstract: Encapsulating a ruthenium(ii) complex into metal organic frameworks to engender high sensitivity for dopamine electrochemiluminescence detection
From the themed collection: Recent HOT articles
Paper

Engineering oligonucleotide-based peroxidase mimetics for the colorimetric assay of S1 nuclease

DNA–Cu(II) complexes lose their peroxidase-like activities after the cleavage of DNA scaffolds by S1 nuclease.

Graphical abstract: Engineering oligonucleotide-based peroxidase mimetics for the colorimetric assay of S1 nuclease
From the themed collection: Recent HOT articles
Paper

Application of syringe to syringe dispersive micro-solid phase extraction using a magnetic layered double hydroxide for the determination of cadmium(II) and lead(II) ions in food and water samples

In this work, a new mode of dispersive solid-phase extraction named syringe to syringe magnetic dispersive micro-solid phase extraction is presented as an efficient and eco-friendly sample extraction method.

Graphical abstract: Application of syringe to syringe dispersive micro-solid phase extraction using a magnetic layered double hydroxide for the determination of cadmium(ii) and lead(ii) ions in food and water samples
From the themed collection: Recent HOT articles
Paper

In situ methanation with flame ionization detection for the determination of carbon dioxide in various matrices

An analytical technique that employs in situ methanation with flame ionization detection for the measurement of carbon dioxide in various matrices has been developed and implemented.

Graphical abstract: In situ methanation with flame ionization detection for the determination of carbon dioxide in various matrices
From the themed collection: Recent HOT articles
Paper

Paper based lateral flow immunoassay for the enumeration of Escherichia coli in urine

In this experimental study, we developed lateral flow immunoassay strips for the detection of Escherichia coli.

Graphical abstract: Paper based lateral flow immunoassay for the enumeration of Escherichia coli in urine
From the themed collection: Recent HOT articles
Paper

Rapid discrimination of natural polyphenols (vegetable tannins) from different plants by molecular spectroscopy and PLS-DA

In this work, samples of natural polyphenolic extracts, representing six commercially available types, were analysed by visible, ultraviolet and Fourier transform infrared (FTIR) spectroscopy using a classification technique.

Graphical abstract: Rapid discrimination of natural polyphenols (vegetable tannins) from different plants by molecular spectroscopy and PLS-DA
From the themed collection: Recent HOT articles
Paper

A novel non-targeted screening method for urinary exposure biomarker discovery of phthalates using liquid chromatography-mass spectrometry

Phthalates are a group of compounds widely used in consumer products and they are ubiquitous in the environment due to their widespread commercial use.

Graphical abstract: A novel non-targeted screening method for urinary exposure biomarker discovery of phthalates using liquid chromatography-mass spectrometry
From the themed collection: Recent HOT articles
Paper

A G-quadruplex DNAzyme-based LAMP biosensing platform for a novel colorimetric detection of Listeria monocytogenes

A LAMP-based method for the visual detection of Listeria monocytogenes has been developed by employing DNAzyme-catalyzed cascade amplification of the colorimetric signal.

Graphical abstract: A G-quadruplex DNAzyme-based LAMP biosensing platform for a novel colorimetric detection of Listeria monocytogenes
From the themed collection: Recent HOT articles
79 items - Showing page 1 of 2

About this collection

This collection represents the top 10% of research published in Analytical Methods. Featured articles are marked as HOT by the handling editor or as recommended by referees. Congratulations to all the authors whose articles are featured.

Spotlight

Advertisements