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Themed collection Recent HOT articles

111 articles - Showing page 1 of 2
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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 HOT 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 HOT 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 HOT 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 HOT 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 HOT 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 HOT 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 HOT 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 HOT 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 HOT 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

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
Paper

Colorimetric and ratiometric fluorescent probe for hydrogen sulfide using a coumarin–pyronine FRET dyad with a large emission shift

A ratiometric fluorescent probe for hydrogen sulfide based on a coumarin–pyronine FRET dyad with a large emission shift and high energy-transfer efficiency was engineered for bio-applications.

Graphical abstract: Colorimetric and ratiometric fluorescent probe for hydrogen sulfide using a coumarin–pyronine FRET dyad with a large emission shift
From the themed collection: Recent HOT articles
Paper

High-throughput dynamic microwave-assisted extraction coupled with liquid–liquid extraction for analysis of tetrabromobisphenol A in soil

Fifteen soil samples can be treated simultaneously in 20 min with low cost and less solvent by the proposed method.

Graphical abstract: High-throughput dynamic microwave-assisted extraction coupled with liquid–liquid extraction for analysis of tetrabromobisphenol A in soil
From the themed collection: Recent HOT articles
Paper

Metal–organic framework coated paper substrates for paper spray mass spectrometry

Metal–organic framework coated paper substrates have been used for paper spray mass spectrometry in high sensitivity analysis of drugs.

Graphical abstract: Metal–organic framework coated paper substrates for paper spray mass spectrometry
From the themed collection: Recent HOT articles
Paper

A method for the measurement of lactate, glycerol and fatty acid production from 14C-glucose in primary cultures of rat epididymal adipocytes

We have developed a method for the analysis of the main metabolic products of utilization of glucose by isolated adipocytes.

Graphical abstract: A method for the measurement of lactate, glycerol and fatty acid production from 14C-glucose in primary cultures of rat epididymal adipocytes
From the themed collection: Recent HOT articles
Paper

An automatic and sensitive method for simultaneous determination of sixteen polycyclic aromatic hydrocarbons and four derivatives by online solid-phase extraction coupled with ultra-high performance liquid chromatography with online solvent filtration

An automatic and sensitive method for simultaneous determination of 16 PAHs and 4 derivatives by online SPE-UHPLC with online solvent filtration.

Graphical abstract: An automatic and sensitive method for simultaneous determination of sixteen polycyclic aromatic hydrocarbons and four derivatives by online solid-phase extraction coupled with ultra-high performance liquid chromatography with online solvent filtration
From the themed collection: Recent HOT articles
Paper

A novel molecularly imprinted electrochemiluminescence sensor based on a Ru(bpy)32+/MWCNTs/nano-TiO2-Nafion electrode for the detection of bisphenol A

A novel molecularly imprinted electrochemiluminescence sensor based on a Ru(bpy)32+/MWCNTs/nano-TiO2-Nafion electrode was successfully designed for ultrasensitive and ultraselective detection of BPA.

Graphical abstract: A novel molecularly imprinted electrochemiluminescence sensor based on a Ru(bpy)32+/MWCNTs/nano-TiO2-Nafion electrode for the detection of bisphenol A
From the themed collection: Recent HOT articles
Paper

A label-free fluorescence method for the detection of uracil DNA glycosylase activity based on G-quadruplex formation

A simple fluorescence based biosensor for label-free detection of uracil DNA glycosylase activity based on G-quadruplex formation using a thioflavin T probe is reported.

Graphical abstract: A label-free fluorescence method for the detection of uracil DNA glycosylase activity based on G-quadruplex formation
From the themed collection: Recent HOT articles
Paper

Simultaneous determination of tocopherols and tocotrienols in vegetable oils by GC-MS

A simple and rapid gas chromatography-mass spectrometry (GC-MS) method was developed and validated for the simultaneous determination of α-, β-, γ- and δ-tocopherols and α-, β-, γ- and δ-tocotrienols in vegetable oils.

Graphical abstract: Simultaneous determination of tocopherols and tocotrienols in vegetable oils by GC-MS
From the themed collection: Recent HOT articles
Paper

A label-free DNAzyme-based nanopore biosensor for highly sensitive and selective lead ion detection

A single-molecule nanopore technique combined with a highly specific DNAzyme catalysis reaction has been employed to detect Pb2+.

Graphical abstract: A label-free DNAzyme-based nanopore biosensor for highly sensitive and selective lead ion detection
From the themed collection: Recent HOT articles
Paper

Exonuclease III assisted and label-free detection of mercury ion based on toehold strand displacement amplification strategy

A label-free, exonuclease III assisted Hg2+ fluorometric assay based on strand displacement amplification was developed with high sensitivity and selectivity.

Graphical abstract: Exonuclease III assisted and label-free detection of mercury ion based on toehold strand displacement amplification strategy
From the themed collection: Recent HOT articles
Paper

A new method for the determination of total furanic aldehyde compounds in Brazilian cachaça samples using liquid–liquid extraction and UV detection

This work proposes a simple, rapid and low-cost method for the determination of total furanic aldehyde compounds in Brazilian cachaça samples.

Graphical abstract: A new method for the determination of total furanic aldehyde compounds in Brazilian cachaça samples using liquid–liquid extraction and UV detection
From the themed collection: Recent HOT articles
Paper

A signal-on homogeneous electrochemical biosensor for sequence-specific microRNA based on duplex-specific nuclease-assisted target recycling amplification

A signal-on homogeneous electrochemical biosensor for sequence-specific microRNA (miRNA) based on duplex-specific nuclease (DSN) assisted target recycling amplification has been developed.

Graphical abstract: A signal-on homogeneous electrochemical biosensor for sequence-specific microRNA based on duplex-specific nuclease-assisted target recycling amplification
From the themed collection: Recent HOT articles
Paper

A highly selective and sensitive fluorescent probe for thiols based on a benzothiazole derivative

In this work, a selective turn-on fluorescent probe 1 for detecting biological thiols was designed and synthesized based on modulation of the excited-state intramolecular proton transfer (ESIPT) process of 2-(2′-hydroxy-4′-diethylaminophenyl)benzothiazole.

Graphical abstract: A highly selective and sensitive fluorescent probe for thiols based on a benzothiazole derivative
From the themed collection: Recent HOT articles
Paper

Quantitative analysis and measurement of carbon isotopic compositions in individual fluid inclusions by micro-laser Raman spectrometry

Micro-laser Raman spectroscopy is a non-destructive technique to quantitatively determine the carbon isotopic compositions of CO2 in individual fluid inclusions.

Graphical abstract: Quantitative analysis and measurement of carbon isotopic compositions in individual fluid inclusions by micro-laser Raman spectrometry
From the themed collection: Recent HOT articles
Open Access Paper

Measurement uncertainty associated with shipboard sample collection and filtration for the determination of the concentration of iron in seawater

ANOVA used to determine uncertainty associated with the way in which deep, open ocean seawater samples were collected and conditioned (filtered).

Graphical abstract: Measurement uncertainty associated with shipboard sample collection and filtration for the determination of the concentration of iron in seawater
From the themed collection: Recent HOT articles
Paper

A multiresidue analytical method for trace level determination of antibiotics and antiretroviral drugs in wastewater and surface water using SPE-LC-MS/MS and matrix-matched standards

Comparison of matrix-matched and internal standard calibration methods in the analysis of selected antibiotics and antiretroviral drugs in urban waters by SPE-LC-MS/MS.

Graphical abstract: A multiresidue analytical method for trace level determination of antibiotics and antiretroviral drugs in wastewater and surface water using SPE-LC-MS/MS and matrix-matched standards
From the themed collection: Recent HOT articles
Paper

Colorimetric detection of catalase and catalase-positive bacteria (E. coli) using silver nanoprisms

The sensitivity of the formation of plasmonic silver nanoprisms to hydrogen peroxide is explored for the colorimetric detection of catalase activity in bacteria.

Graphical abstract: Colorimetric detection of catalase and catalase-positive bacteria (E. coli) using silver nanoprisms
From the themed collection: Recent HOT articles
Open Access Paper

Fingerprinting of falsified artemisinin combination therapies via direct analysis in real time coupled to a compact single quadrupole mass spectrometer

Using portable single-quadrupole DART-MS technology, suspect pharmaceuticals can be rapidly and efficiently analyzed providing detailed information on their true origin.

Graphical abstract: Fingerprinting of falsified artemisinin combination therapies via direct analysis in real time coupled to a compact single quadrupole mass spectrometer
From the themed collection: Recent HOT articles
Open Access Paper

Rapid detection of toxic compounds in tobacco smoke condensates using high-resolution 1H-nuclear magnetic resonance spectroscopy

In 2012, the FDA Tobacco Products Scientific Advisory Committee published a list of 93 harmful and potentially harmful constituents (HPHCs) of tobacco products and tobacco smoke.

Graphical abstract: Rapid detection of toxic compounds in tobacco smoke condensates using high-resolution 1H-nuclear magnetic resonance spectroscopy
From the themed collection: Recent HOT articles
Paper

A turn-on fluorescent probe for phytic acid based on ferric ion-modulated glutathione-capped silver nanoclusters

A sensitive fluorescence detection assay for phytic acid (PA) in real samples was developed based on Fe3+-modulated GSH@AgNCs, with high detection selectivity, repeatability, and stability.

Graphical abstract: A turn-on fluorescent probe for phytic acid based on ferric ion-modulated glutathione-capped silver nanoclusters
From the themed collection: Recent HOT articles
Paper

In situ analysis of Asimina triloba (paw paw) plant tissues for acetogenins via the droplet-liquid microjunction-surface sampling probe coupled to UHPLC-PDA-HRMS/MS

A droplet-based surface sampling system coupled to UPLC-HRMS/MS permitted the identification of acetogenins in situ from various organs of the plant Asimina triloba.

Graphical abstract: In situ analysis of Asimina triloba (paw paw) plant tissues for acetogenins via the droplet-liquid microjunction-surface sampling probe coupled to UHPLC-PDA-HRMS/MS
From the themed collection: Recent HOT articles
Paper

β-Cyclodextrin-modified silver nanoparticles as colorimetric probes for the direct visual enantioselective recognition of aromatic α-amino acids

An assay relying on the distance-dependent optical properties of AgNPs and the different inclusion binding strengths of aromatic α-amino acids to the β-CD host was developed.

Graphical abstract: β-Cyclodextrin-modified silver nanoparticles as colorimetric probes for the direct visual enantioselective recognition of aromatic α-amino acids
From the themed collection: Recent HOT articles
Paper

Electrochemical determination of cysteamine in the presence of guanine and adenine using a carbon paste electrode modified with N-(4-hydroxyphenyl)-3,5-dinitrobenzamide and magnesium oxide nanoparticles

This study is the first report of simultaneous determination of cysteamine, guanine and adenine using an electrochemical sensor in pharmaceutical and biological samples.

Graphical abstract: Electrochemical determination of cysteamine in the presence of guanine and adenine using a carbon paste electrode modified with N-(4-hydroxyphenyl)-3,5-dinitrobenzamide and magnesium oxide nanoparticles
From the themed collection: Recent HOT articles
Paper

Solvent-saving approaches for the extraction of siloxanes from pine needles, soils and passive air samplers

Solvent-saving analytical protocols are a valid alternative to quantify siloxanes in environmental matrices.

Graphical abstract: Solvent-saving approaches for the extraction of siloxanes from pine needles, soils and passive air samplers
From the themed collection: Recent HOT articles
Paper

Comparison of three indirect immunoassay formats on a common paper-based microfluidic device architecture

The ability to detect antibodies that are generated during an immune response is integral to the diagnosis and monitoring of infections.

Graphical abstract: Comparison of three indirect immunoassay formats on a common paper-based microfluidic device architecture
From the themed collection: Recent HOT articles
111 articles - 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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