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Themed collection Recent HOT articles

136 items - Showing page 1 of 2
Minireview

Plasma-based ambient mass spectrometry: a step forward to practical applications

Plasma-based ambient mass spectrometry (AMS) exhibits great potential in the direct analysis of raw samples with minimum pretreatment.

Graphical abstract: Plasma-based ambient mass spectrometry: a step forward to practical applications
From the themed collection: Recent Review Articles
Minireview

Biological cells in the speciation analysis of heavy metals

Biological cells are versatile in both metal remediation and metal preconcentration and speciation.

Graphical abstract: Biological cells in the speciation analysis of heavy metals
From the themed collection: Recent Review Articles
Minireview

Electrochemical nucleic acid biosensors: from fabrication to application

This article reviews the progress in the development of electrochemical nucleic acid biosensors with an emphasis on biosensor fabrication, the sensing mechanism, performance and applications with some discussion on challenges and perspectives.

Graphical abstract: Electrochemical nucleic acid biosensors: from fabrication to application
From the themed collection: Recent Review Articles
Minireview

A review on the latest developments in nanostructure-based electrochemical sensors for glutathione

Glutathione, a low molecular mass thiol compound, is considered a vital biomarker for various disease and cancers owing to the variation in the level of GSH from its normal level in the micromolar to millimolar range in biological fluids and cells.

Graphical abstract: A review on the latest developments in nanostructure-based electrochemical sensors for glutathione
From the themed collection: Recent Review Articles
Minireview

Carbon materials for the electrooxidation of nucleobases, nucleosides and nucleotides toward cytosine methylation detection: a review

The application of different carbon materials such as graphite, glassy carbon, boron-doped diamond, carbon nanofibers, carbon nanotubes and graphene for the electrooxidation of DNA-related molecules toward cytosine methylation electroanalytical monitoring is reviewed.

Graphical abstract: Carbon materials for the electrooxidation of nucleobases, nucleosides and nucleotides toward cytosine methylation detection: a review
From the themed collection: Recent Review Articles
Critical Review

Nanotechnology-based analytical approaches for detection of viruses

The risks posed by viral diseases have been recognised as critical threats to mankind.

Graphical abstract: Nanotechnology-based analytical approaches for detection of viruses
From the themed collection: Recent Review Articles
Critical Review

Some problems and practicalities in design and interpretation of samples of microplastic waste

Improved design of sampling microplastic waste is necessary. Important problems are identified and suggestions for improvements are made.

Graphical abstract: Some problems and practicalities in design and interpretation of samples of microplastic waste
From the themed collection: Recent Review Articles
Critical Review

Emerging fields in fingermark (meta)detection – a critical review

Nanoparticles, chemical imaging and immunodetection applied to fingermarks are critically reviewed in this paper. For each topic, forensic and analytical considerations are assessed in regards with two main purposes: detection and metadetection. Expectations in terms of research are also proposed.

Graphical abstract: Emerging fields in fingermark (meta)detection – a critical review
From the themed collection: Recent Review Articles
Critical Review

Critical need for plutonium and uranium isotopic standards with lower uncertainties

Schematic of a Thermal Ionization Mass Spectrometer (TIMS) Instrument.

Graphical abstract: Critical need for plutonium and uranium isotopic standards with lower uncertainties
From the themed collection: Recent Review Articles
Critical Review

Evaluation of procedures for assessing anti- and pro-oxidants in plant samples

Direct and indirect techniques for studying stress and acclimation responses related to pro- and anti-oxidants in plants. The larger the distance from the bull's eye, the less direct is the acquired information.

Graphical abstract: Evaluation of procedures for assessing anti- and pro-oxidants in plant samples
From the themed collection: Recent Review Articles
Critical Review

Analytical methodologies using carbon substrates developed by pyrolysis

As a viable alternative with respect to carbon-based materials prepared by vapor deposition, the pyrolysis of non-volatile organic precursors has allowed the fabrication of substrates with advantageous properties towards the development of analytical methodologies.

Graphical abstract: Analytical methodologies using carbon substrates developed by pyrolysis
From the themed collection: Recent HOT articles
Critical Review

Thermal ionisation mass spectrometry (TIMS) in nuclear science and technology – a review

The advances which have taken place during the last four decades in the instrumentation and applications of thermal ionisation mass spectrometry (TIMS) particularly of relevance to nuclear science and technology are highlighted.

Graphical abstract: Thermal ionisation mass spectrometry (TIMS) in nuclear science and technology – a review
From the themed collection: Recent HOT articles
Communication

A pyrene-based fast-responsive fluorescent probe for G-quadruplexes

A novel pyrene-based fluorescent probe (3-methyl-2-(pyren-1-yl)benzo[d]thiazol-3-ium iodide) (PBT) was found to be a fast-responsive and highly selective towards G-quadruplexes. PBT exhibited an opposite fluorescent variation tendency on binding with G-quadruplexes and ds-DNAs.

Graphical abstract: A pyrene-based fast-responsive fluorescent probe for G-quadruplexes
From the themed collection: Recent HOT articles
Communication

A graphene oxide-based fluorescent aptasensor for alpha-fetoprotein detection

A sensitive and selective strategy for alpha-fetoprotein (AFP) detection was developed based on an aptamer/GO fluorescent biosensor.

Graphical abstract: A graphene oxide-based fluorescent aptasensor for alpha-fetoprotein detection
From the themed collection: Recent HOT articles
Communication

Simple and sensitive detection of uracil–DNA glycosylase activity using dsDNA-templated copper nanoclusters as fluorescent probes

DNA-templated copper nanoclusters were used as a fluorescent nano-dye for the uracil–DNA glycosylase (UDG) assay. The proposed method is simple and sensitive.

Graphical abstract: Simple and sensitive detection of uracil–DNA glycosylase activity using dsDNA-templated copper nanoclusters as fluorescent probes
From the themed collection: Recent HOT articles
Communication

Isotope-labelling derivatisation: a broadly applicable approach to quantitation of algal toxins by isotope dilution LC-MS/MS

Derivatisation with a labelled reagent allows for isotope dilution calibration of algal toxins for which no labelled standard is available.

Graphical abstract: Isotope-labelling derivatisation: a broadly applicable approach to quantitation of algal toxins by isotope dilution LC-MS/MS
From the themed collection: Recent HOT articles
Communication

Non-fouling hyaluronic acid coatings for improved sandwich ELISA measurements in plasma

Nonspecific protein adsorption can interfere with blood diagnostics, especially in point-of-care tests for which minimal sample processing is required.

Graphical abstract: Non-fouling hyaluronic acid coatings for improved sandwich ELISA measurements in plasma
From the themed collection: Recent HOT articles
Communication

Untargeted lipidomics study of coronary artery disease by FUPLC-Q-TOF-MS

Coronary heart disease (CHD) has emerged as a major public health problem worldwide. An untargeted lipidomics approach was used to profile the lipid changes and discover potential biomarkers in CHD patients.

Graphical abstract: Untargeted lipidomics study of coronary artery disease by FUPLC-Q-TOF-MS
From the themed collection: Recent HOT articles
Paper

A selective nanosensor for ultrafast detection of Cu2+ ions based on C5 DNA-templated gold nanoclusters and Fenton-like reaction

Fenton-like reaction-mediated quenching of gold nanoclusters for ultrafast Cu2+ ion detection.

Graphical abstract: A selective nanosensor for ultrafast detection of Cu2+ ions based on C5 DNA-templated gold nanoclusters and Fenton-like reaction
From the themed collection: Recent HOT articles
Paper

Electrochemical nanostructure platform for the analysis of glutathione in the presence of uric acid and tryptophan

In this work, a NiO–CNT nanocomposite and 2-(3,4-dihydroxyphenethyl)isoindoline-1,3-dione (DPID) were used as modifiers for the modification of a carbon paste electrode (DPID/NiO–CNT/CPE) for the electro-catalytic analysis of glutathione (GSH).

Graphical abstract: Electrochemical nanostructure platform for the analysis of glutathione in the presence of uric acid and tryptophan
From the themed collection: Recent HOT articles
Paper

Microfluidic detection with acoustic spectroscopy (MIDAS) for analysis of insulin formulation stability

Ultrasonic spectroscopy is a viable complement to current techniques used to analyze insulin stability due to its simplicity, lack of sample preparation, and non-destructive properties.

Graphical abstract: Microfluidic detection with acoustic spectroscopy (MIDAS) for analysis of insulin formulation stability
From the themed collection: Recent HOT articles
Paper

Simultaneous detection of superoxide anion radicals and determination of the superoxide scavenging activity of antioxidants using a N,N-dimethyl-p-phenylene diamine/Nafion colorimetric sensor

A novel colorimetric DMPD assay was developed for superoxide radicals generated by the NADH/PMS/O2 system, and compared with conventional NBT assay.

Graphical abstract: Simultaneous detection of superoxide anion radicals and determination of the superoxide scavenging activity of antioxidants using a N,N-dimethyl-p-phenylene diamine/Nafion colorimetric sensor
From the themed collection: Recent HOT articles
Paper

Is measurement uncertainty from sampling related to analyte concentration?

The contribution of sampling to the combined uncertainty of measurement is assessed using a combination of literature review and experimental determination of sampling variability in a range of foodstuffs in order to determine whether there is a consistent relationship between analyte level and proportion of variation attributable to sampling.

Graphical abstract: Is measurement uncertainty from sampling related to analyte concentration?
From the themed collection: Recent HOT articles
Paper

Sphingosine and dihydrosphingosine as biomarkers for multiple sclerosis identified by metabolomic profiling using coupled UPLC-MS

The project aim was to identify differences in the metabolomic profiles in the serum of patients with multiple sclerosis (MS), those with neuropathic pain (NP) and those with both MS and NP compared with controls and to identify potential biomarkers of each disease state.

Graphical abstract: Sphingosine and dihydrosphingosine as biomarkers for multiple sclerosis identified by metabolomic profiling using coupled UPLC-MS
From the themed collection: Recent HOT articles
Paper

Visual determination of ferric ions in aqueous solution based on a high selectivity and sensitivity ratiometric fluorescent nanosensor

A novel ratiometric fluorescent nanosensor for visual sensing of Fe3+ has been developed by integrating yellow-emissive rhodamine derivatives (RhB) onto the surface of silica nanospheres embedded with red CdTe QDs.

Graphical abstract: Visual determination of ferric ions in aqueous solution based on a high selectivity and sensitivity ratiometric fluorescent nanosensor
From the themed collection: Recent HOT articles
Paper

Characterization of the major chemical constituents in Ardisia gigantifolia by high performance liquid chromatography coupled to electrospray ionization and quadrupole time-of-flight mass spectrometry

Rapid detection and characterization of the major chemical constituents from Ardisia gigantifolia by HPLC-ESI-QTOF-MS/MS.

Graphical abstract: Characterization of the major chemical constituents in Ardisia gigantifolia by high performance liquid chromatography coupled to electrospray ionization and quadrupole time-of-flight mass spectrometry
From the themed collection: Recent HOT articles
Paper

A supercharged fluorescent protein based FRET sensing platform for detection of heparin contamination

A FRET system was successfully constructed using supercharged green fluorescent protein as the energy donor and dye labelled heparin as the energy acceptor. The FRET sensing platform can be used to detect OSCS contaminant in heparin.

Graphical abstract: A supercharged fluorescent protein based FRET sensing platform for detection of heparin contamination
From the themed collection: Recent HOT articles
Paper

A novel photoelectrode based on eosin Y–rhodamine B duo-dye sensitized Au nanoparticles by in situ reduction

A novel strategy for the fabrication of a photoelectrochemical system, involving a duo-dye sensitized Au NPs composite, that displays a specific response to mercury.

Graphical abstract: A novel photoelectrode based on eosin Y–rhodamine B duo-dye sensitized Au nanoparticles by in situ reduction
From the themed collection: Recent HOT articles
Paper

Frequency characterization of flow magnitude and phase in resonant microfluidic circuits

Microfluidic equivalents of electrical resonant circuits exhibit predicted resonance behavior in both magnitude and phase of the harmonic flow as evidenced by two independent characterization techniques.

Graphical abstract: Frequency characterization of flow magnitude and phase in resonant microfluidic circuits
From the themed collection: Recent HOT articles
Paper

Determination of trace rhodamine B by spectrofluorometry and magnetic solid phase extraction based on a 3D reduced graphene oxide composite

Sample pre-treatment by magnetic solid phase extraction based on a 3D reduced graphene oxide composite.

Graphical abstract: Determination of trace rhodamine B by spectrofluorometry and magnetic solid phase extraction based on a 3D reduced graphene oxide composite
From the themed collection: Recent HOT articles
Paper

In situ cocoa beans quality grading by near-infrared-chemodyes systems

Cocoa beans were quality graded innovatively using a near-infrared chemo-dyes system as aroma sensor to capture and detect their volatiles.

Graphical abstract: In situ cocoa beans quality grading by near-infrared-chemodyes systems
From the themed collection: Recent HOT articles
Paper

Highly sensitive electrochemical detection of mercuric ions based on sequential nucleic acid amplification and guanine nanowire formation

This work reported a strategy of combining enzyme/DNAzyme amplification and guanine nanowires to develop a bioassay for Hg2+ detection.

Graphical abstract: Highly sensitive electrochemical detection of mercuric ions based on sequential nucleic acid amplification and guanine nanowire formation
From the themed collection: Recent HOT articles
Open Access Paper

FTIR-spectroscopic and LA-ICP-MS imaging for combined hyperspectral image analysis of tumor models

Advantages of combined image analysis were demonstrated using infrared spectroscopy and mass spectrometry while characterizing biochemical changes occurring in tumor models.

Graphical abstract: FTIR-spectroscopic and LA-ICP-MS imaging for combined hyperspectral image analysis of tumor models
From the themed collection: Recent HOT articles
Paper

A fluorescence-enhanced probe for rapid detection of formaldehyde and its application for cell imaging

An anthracene carboxyimide-based fluorescent probe was developed for rapid detection of formaldehyde in living cells with high sensitivity and selectivity.

Graphical abstract: A fluorescence-enhanced probe for rapid detection of formaldehyde and its application for cell imaging
From the themed collection: Recent HOT articles
Paper

A signal-off aptasensor for the determination of Ochratoxin A by differential pulse voltammetry at a modified Au electrode using methylene blue as an electrochemical probe

A signal-off aptasensor for OTA detection at an apt/cDNA/AuNPs/cPC/NH2–AuE electrode using methylene blue as an electrochemical probe.

Graphical abstract: A signal-off aptasensor for the determination of Ochratoxin A by differential pulse voltammetry at a modified Au electrode using methylene blue as an electrochemical probe
From the themed collection: Recent HOT articles
Paper

Control of pH for separated quantitation of nitrite and cyanide ions using photoluminescent copper nanoclusters

A dual sensing probe for quantitation of NO2 and CN ions.

Graphical abstract: Control of pH for separated quantitation of nitrite and cyanide ions using photoluminescent copper nanoclusters
From the themed collection: Recent HOT articles
Paper

Estimation of relative oxygen metabolic activity microdistribution in biofilms based on the catastrophe point phenomenon during oxygen-infusion processes

A new method has been developed for estimating relative oxygen metabolic activity microdistribution in biofilms based on catastrophe points during oxygen-infusion processes.

Graphical abstract: Estimation of relative oxygen metabolic activity microdistribution in biofilms based on the catastrophe point phenomenon during oxygen-infusion processes
From the themed collection: Recent HOT articles
Paper

Normalization strategy for the LC-MS bioanalysis of protein kinetics assays via internal proteolytic analyte utilized as control standard: application in studies of HIV-1 protease cleavage of HIV-1 Gag polyprotein in HIV maturation inhibition research

The LC-MS bioanalysis of protein kinetics assays is simplified by a data normalization strategy via internal proteolytic analyte utilized as a control standard.

Graphical abstract: Normalization strategy for the LC-MS bioanalysis of protein kinetics assays via internal proteolytic analyte utilized as control standard: application in studies of HIV-1 protease cleavage of HIV-1 Gag polyprotein in HIV maturation inhibition research
From the themed collection: Recent HOT articles
Paper

Rapid and sensitive detection of E. coli O157:H7 based on antimicrobial peptide functionalized magnetic nanoparticles and urease-catalyzed signal amplification

Rapid and sensitive detection of E. coli O157:H7 based on antimicrobial peptide functionalized magnetic nanoparticles and label-free urease-catalyzed signal amplification.

Graphical abstract: Rapid and sensitive detection of E. coli O157:H7 based on antimicrobial peptide functionalized magnetic nanoparticles and urease-catalyzed signal amplification
From the themed collection: Recent HOT articles
Paper

Development of an easily adaptable, high sensitivity source for inlet ionization

Unexpected ionization processes were recently discovered for use in mass spectrometry in which no added energy is required to convert condensed-phase molecules to gas-phase ions with ESI-like charge states by simply introducing the matrix/analyte sample into the sub-atmospheric pressure of the mass spectrometer.

Graphical abstract: Development of an easily adaptable, high sensitivity source for inlet ionization
From the themed collection: Recent HOT articles
Paper

Pulsed probe electrospray and nano-electrospray: the temporal profiles of ion formation from the Taylor cone

The temporal profiles of ion signals were measured for probe electrospray ionization (PESI) and nano-electrospray ionization (nESI) by changing the pulse width of the high voltage applied to the emitters.

Graphical abstract: Pulsed probe electrospray and nano-electrospray: the temporal profiles of ion formation from the Taylor cone
From the themed collection: Recent HOT articles
Paper

Metabolic comparison of dorsal versus ventral cells directly in the live 8-cell frog embryo by microprobe single-cell CE-ESI-MS

We uncovered previously unknown metabolic differences between dorsal and ventral cells in the 8-cell vertebrate embryo using microprobe single-cell CE-ESI-MS.

Graphical abstract: Metabolic comparison of dorsal versus ventral cells directly in the live 8-cell frog embryo by microprobe single-cell CE-ESI-MS
From the themed collection: Recent HOT articles
Paper

Optimization of subcritical water extraction of phenolic antioxidants from pomegranate (Punica granatum L.) peel by response surface methodology

Subcritical water extraction (SWE), a ‘green’ and efficient extraction technology, was applied to extract phenolic antioxidants from pomegranate peel in this study.

Graphical abstract: Optimization of subcritical water extraction of phenolic antioxidants from pomegranate (Punica granatum L.) peel by response surface methodology
From the themed collection: Recent HOT articles
Paper

Pentafluorophenyl bonded phase separation: the assay of Australian antioxidant formulation of ascorbic acid, rutin and hesperidin

This work describes two novel validated HPLC methods for the separation and determination of potent antioxidant formulation.

Graphical abstract: Pentafluorophenyl bonded phase separation: the assay of Australian antioxidant formulation of ascorbic acid, rutin and hesperidin
From the themed collection: Recent HOT articles
Paper

Amino-terminated hyper-branched polyamidoamine polymer grafted magnetic graphene oxide nanosheets as an efficient sorbent for the extraction of selective serotonin reuptake inhibitors from plasma samples

In this study, third generation dendrimers covalently bonded to magnetic graphene oxide nanosheets (DMGO) were prepared.

Graphical abstract: Amino-terminated hyper-branched polyamidoamine polymer grafted magnetic graphene oxide nanosheets as an efficient sorbent for the extraction of selective serotonin reuptake inhibitors from plasma samples
From the themed collection: Recent HOT articles
Paper

A simple and sensitive electrochemical detection of furazolidone based on an Au nanoparticle functionalized graphene modified electrode

A new sensor using a glassy carbon electrode modified with graphene and Au nanoparticles (Gr/Au/GCE) was designed to investigate the electrochemical behavior of furazolidone (FZD).

Graphical abstract: A simple and sensitive electrochemical detection of furazolidone based on an Au nanoparticle functionalized graphene modified electrode
From the themed collection: Recent HOT articles
Paper

FTIR as a rapid tool for monitoring molecular weight distribution during enzymatic protein hydrolysis of food processing by-products

An FTIR-based multivariate approach is developed for monitoring molecular weight distribution during enzymatic protein hydrolysis of byproducts.

Graphical abstract: FTIR as a rapid tool for monitoring molecular weight distribution during enzymatic protein hydrolysis of food processing by-products
From the themed collection: Recent HOT articles
Paper

Retrospective case study on the suitability of mid-infrared microscopic imaging for the diagnosis of mucormycosis in human tissue sections

MIR microscopic imaging with subsequent PCA clustering is a very promising tool for the detection and identification of mucormycetes in pathology routine laboratories.

Graphical abstract: Retrospective case study on the suitability of mid-infrared microscopic imaging for the diagnosis of mucormycosis in human tissue sections
From the themed collection: Recent HOT articles
Paper

Construction of a novel ratiometric near-infrared fluorescent probe for SO2 derivatives and its application for biological imaging

A novel near-infrared ratiometric fluorescent probe for detecting SO2 derivatives was developed and used for fluorescence imaging in living cells.

Graphical abstract: Construction of a novel ratiometric near-infrared fluorescent probe for SO2 derivatives and its application for biological imaging
From the themed collection: Recent HOT articles
Paper

An ultra-sensitive 2D electrochemical sensor based on a PtNPs@graphene/Nafion nanocomposite for determination of α1-AR antagonist silodosin in human plasma

An ultra-sensitive and selective 2D electrochemical sensor based on a PtNPs@GRP/NFN nanocomposite was developed for routine detection of α1-AR antagonists such as silodosin in human plasma.

Graphical abstract: An ultra-sensitive 2D electrochemical sensor based on a PtNPs@graphene/Nafion nanocomposite for determination of α1-AR antagonist silodosin in human plasma
From the themed collection: Recent HOT articles
Paper

Enzyme mediated assembly of gold nanoparticles for ultrasensitive colorimetric detection of hepatitis C virus antibody

A novel enzyme mediated AuNP assembly based colorimetric method for ultrasensitive detection of hepatitis C virus antibody.

Graphical abstract: Enzyme mediated assembly of gold nanoparticles for ultrasensitive colorimetric detection of hepatitis C virus antibody
From the themed collection: Recent HOT articles
Paper

Giant magnetoimpedance based immunoassay for cardiac biomarker myoglobin

A GMI sensor integrated with a microcavity was fabricated by micro-electro-mechanical-system (MEMS) technology.

Graphical abstract: Giant magnetoimpedance based immunoassay for cardiac biomarker myoglobin
From the themed collection: Recent HOT articles
Paper

Functionalization of gold nanoparticles with nanobodies through physical adsorption

The physical adsorption behaviour of nanobodies to gold nanoparticles is described for the first time in an extensive manner including parameters such as pI, ionic strength and several protein engineering strategies. The generated nanobody-gold conjugates are functional.

Graphical abstract: Functionalization of gold nanoparticles with nanobodies through physical adsorption
From the themed collection: Recent HOT articles
Paper

New particle-based trace explosive test material produced by drop-on-demand inkjet printing for quantitative wipe-sampling studies

Inkjet printing is used to produce arrays of explosives on non-stick substrates that are transferred to test surfaces for quantitative wipe sampling studies.

Graphical abstract: New particle-based trace explosive test material produced by drop-on-demand inkjet printing for quantitative wipe-sampling studies
From the themed collection: Recent HOT articles
Paper

Real-time assay of inorganic pyrophosphatase activity in the red region based on Li+-doped NaYF4:Yb,Er upconversion luminescent nanoparticles

Based on a competition assay approach, a new highly sensitive method for real-time detection of PPase activity using Li+-doped NaYF4:Yb,Er upconversion red luminescent nanoparticles was developed.

Graphical abstract: Real-time assay of inorganic pyrophosphatase activity in the red region based on Li+-doped NaYF4:Yb,Er upconversion luminescent nanoparticles
From the themed collection: Recent HOT articles
Paper

A simple and efficient fluorescent probe for the rapid detection of H2S in living cells and on agar gels

Herein, a simple fluorescent probe, (E)-1,3,3-trimethyl-2-(4-morpholinostyryl)-3H-indol-1-ium iodide (Mi), based on intramolecular charge transfer (ICT) was synthesized.

Graphical abstract: A simple and efficient fluorescent probe for the rapid detection of H2S in living cells and on agar gels
From the themed collection: Recent HOT articles
Paper

Electrochemical impedance spectroscopy of blood for sensitive detection of blood hematocrit, sedimentation and dielectric properties

Electrochemical impedance spectroscopy (EIS) is a highly promising tool for the analysis of blood.

Graphical abstract: Electrochemical impedance spectroscopy of blood for sensitive detection of blood hematocrit, sedimentation and dielectric properties
From the themed collection: Recent HOT articles
Paper

Surface-enhanced Raman scattering using monolayer graphene-encapsulated Ag nanoparticles as a substrate for sensitive detection of 2,4,6-trinitrotoluene

CVD-grown monolayer graphene-encapsulated Ag nanoparticles are used as an effective SERS substrate for selective and sensitive detection of TNT.

Graphical abstract: Surface-enhanced Raman scattering using monolayer graphene-encapsulated Ag nanoparticles as a substrate for sensitive detection of 2,4,6-trinitrotoluene
From the themed collection: Recent HOT articles
Paper

Fabrication of a flexible carbon cloth based solid contact iodide selective electrode

Elimination of the inner filling electrolyte of classical ISEs to overcome their associated drawbacks is the major driving force for the evolution of solid contact ISEs.

Graphical abstract: Fabrication of a flexible carbon cloth based solid contact iodide selective electrode
From the themed collection: Recent HOT articles
Paper

Facile colorimetric assay for trinitrotoluene based on the intrinsic peroxidase-like activity of MoS2 nanosheets

In this study, a facile colorimetric assay for 2,4,6-trinitrotoluene (TNT) in aqueous solution is developed based on the intrinsic peroxidase-like activity of cysteine protected molybdenum disulfide nanosheets (Cys-MoS2 NSs).

Graphical abstract: Facile colorimetric assay for trinitrotoluene based on the intrinsic peroxidase-like activity of MoS2 nanosheets
From the themed collection: Recent HOT articles
Paper

Nitrilotriacetate-stabilized gold nanoparticles: a novel strategy for the colorimetric detection of Cr(III)/Cr(VI) and the mechanistic aspects

Nitrilotriacetate (NTA) has been reported to behave as both a reductant and a stabilizer for gold nanoparticle (AuNP) preparation in a one-pot synthesis and colorimetric assay.

Graphical abstract: Nitrilotriacetate-stabilized gold nanoparticles: a novel strategy for the colorimetric detection of Cr(iii)/Cr(vi) and the mechanistic aspects
From the themed collection: Recent HOT articles
Paper

Au nanoparticles anchored on Ni(OH)2 nanowires with multiple cavities for selective electrochemical detection of dopamine

Au nanoparticles supported on nickel hydroxide nanowires with multiple cavities (Au/m-Ni(OH)2) were synthesized and used for the enhanced electrochemical sensing of dopamine (DA).

Graphical abstract: Au nanoparticles anchored on Ni(OH)2 nanowires with multiple cavities for selective electrochemical detection of dopamine
From the themed collection: Recent HOT articles
Paper

A novel chemiluminescent immunochromatographic assay strip for rapid detection of mercury ions

A chemiluminescent immunochromatographic assay strip for rapid detection of Hg2+ was developed by using an anti-Hg2+ monoclonal antibody that could directly recognize Hg2+.

Graphical abstract: A novel chemiluminescent immunochromatographic assay strip for rapid detection of mercury ions
From the themed collection: Recent HOT articles
Open Access Paper

Highly sensitive poisoning-resistant optical carbon dioxide sensors for environmental monitoring

Resistivity of optical carbon dioxide chemosensors towards poisoning by acidic gases is significantly improved by using an additional perfluorinated polymer coating making the sensors suitable for long-term measurements.

Graphical abstract: Highly sensitive poisoning-resistant optical carbon dioxide sensors for environmental monitoring
From the themed collection: Recent HOT articles
Paper

Checkpoints for preliminary identification of small molecules found enriched in autophagosomes and activated mast cell secretions analyzed by comparative UPLC/MSe

Checkpoints in processing of metabolomics data are essential to reliably define preliminary identifications of metabolomic studies.

Graphical abstract: Checkpoints for preliminary identification of small molecules found enriched in autophagosomes and activated mast cell secretions analyzed by comparative UPLC/MSe
From the themed collection: Recent HOT articles
Paper

Standoff chemical imaging finds evidence for Jackson Pollock's selective use of alkyd and oil binding media in a famous ‘drip’ painting

Near-infrared diffuse reflectance imaging spectroscopy (NIR-RIS, 1000 to 2500 nm) was used to map the use of alkyd and oil paints in Jackson Pollock's Number 1, 1950 (Lavender Mist), one of his most important ‘drip’ or ‘poured’ paintings.

Graphical abstract: Standoff chemical imaging finds evidence for Jackson Pollock's selective use of alkyd and oil binding media in a famous ‘drip’ painting
From the themed collection: Recent HOT articles
Paper

An amperometric FIA system with carrier recycling: an environmentally friendly approach for atenolol determination in pharmaceutical formulations

Carrier solution recirculation in an amperometric FIA system allows ATN quantification with very low reagent consumption and waste generation.

Graphical abstract: An amperometric FIA system with carrier recycling: an environmentally friendly approach for atenolol determination in pharmaceutical formulations
From the themed collection: Recent HOT articles
Paper

Detection and identification of human fungal pathogens using surface-enhanced Raman spectroscopy and principal component analysis

SERS offers a fast and reliable method for human fungal pathogens detection.

Graphical abstract: Detection and identification of human fungal pathogens using surface-enhanced Raman spectroscopy and principal component analysis
From the themed collection: Recent HOT articles
Paper

Optimization and validation of an environmentally friendly method for zinc determination in new and used lubricating oil samples

This work presents the optimization and validation of a new environmentally friendly method for zinc quantification in new and used lubricating oil samples, using, for the first time, the extracting agent diphenylthiocarbazone (dithizone) associated with the aqueous two-phase system (ATPS).

Graphical abstract: Optimization and validation of an environmentally friendly method for zinc determination in new and used lubricating oil samples
From the themed collection: Recent HOT articles
Paper

Coupling of capillary-channeled polymer (C-CP) fibers for reversed phase liquid chromatography and ESI-MS for the determination of proteins in a urine matrix

Electrospray ionization mass spectrometry (ESI-MS) analysis provides a great deal of analytical information as a detection mode when coupled with liquid chromatography (LC) and capillary electrophoresis (CE) separations of proteins.

Graphical abstract: Coupling of capillary-channeled polymer (C-CP) fibers for reversed phase liquid chromatography and ESI-MS for the determination of proteins in a urine matrix
From the themed collection: Recent HOT articles
136 items - Showing page 1 of 2

About this collection

This themed collection features articles published in Analytical Methods marked as HOT by the handling editor or as recommended by referees. Congratulations to all the authors whose articles are featured.

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