Themed collection Carbon and graphene in analytical science
Carbon and Graphene in Analytical Science
Welcome to this Analyst themed issue on Carbon and Graphene in Analytical Science, guest edited by Martin Pumera.
Recent advances in carbon-based dots for electroanalysis
Graphene quantum dots (GQDs) and carbon quantum dots (CQDs) demonstrate unique properties in the electroanalysis field, including electroresistance, electrochemiluminescence, electrochemical and photoelectrochemical sensors.
Magnetic impurities in single-walled carbon nanotubes and graphene: a review
A review on magnetic impurities in single-walled carbon nanotubes and graphene: purification and detection of impurities and impurity-induced magnetism.
Nanoarchitectonics for carbon-material-based sensors
Recently, the nanoarchitectonics concept has been proposed to fabricate functional materials on the basis of concerted harmonization actions to control materials organization.
A mechanical pencil lead-supported carbon nanotube/Au nanodendrite structure as an electrochemical sensor for As(III) detection
A mechanical pencil lead (MPL), an easily obtainable carbon-based material with a consistent size, was used as a frame to construct an MPL-supported carbon nanotube/Au nanodendrite (MPL-CNT/AuND) sensor through simple electrodeposition of Au onto the MPL in the presence of CNTs.
Pencil it in: pencil drawn electrochemical sensing platforms
Inspired by recent reports concerning the utilisation of hand drawn pencil macroelectrodes (PDEs), we report the fabrication, characterisation (physicochemical and electrochemical) and implementation (electrochemical sensing) of various PDEs drawn upon a flexible polyester substrate.
Reduced graphene oxide-nickel nanoparticles/biopolymer composite films for the sub-millimolar detection of glucose
A conjugate of reduced graphene oxide and nickel nanoparticles was synthesized and deposited onto GCE as a nanocomposite of chitosan and glucose oxidase. Applications as a glucose biosensor were explored for the first time.
Novel reduced graphene oxide–glycol chitosan nanohybrid for the assembly of an amperometric enzyme biosensor for phenols
A sensitive laccase biosensor for phenols based on a novel graphene oxide–glycol chitosan nanohybrid.
Controlling carbon nanodot fluorescence for optical biosensing
In this work we report on the optical properties of specific synthetic carbon nano-dots (CDs) and their suitability for the development of optical biosensors.
Can solvent induced surface modifications applied to screen-printed platforms enhance their electroanalytical performance?
In this paper the effect of solvent induced chemical surface enhancements upon graphitic screen-printed electrodes (SPEs) are critically benchmarked.
Development of a biosensing system for tacrine based on nitrogen-doped graphene quantum dots and acetylcholinesterase
The graphene quantum dot-based sensor is sensitive to reaction products resulting from acetylcholinesterase activity and it allows for the determination of tacrine acting as an enzyme inhibitor.
Sensitive detection of intracellular RNA of human telomerase by using graphene oxide as a carrier to deliver the assembly element of hybridization chain reaction
An enzyme-free amplification strategy has been developed for sensitively and specifically detecting intracellular RNA of telomerase via GO-aided hybridization chain reaction (HCR).
Convenient and controllable preparation of a novel uniformly nitrogen doped porous graphene/Pt nanoflower material and its highly-efficient electrochemical biosensing
A novel uniformly nitrogen doped porous graphene/Pt nanoflower was prepared by a convenient method and used as highly-efficient electrocatalyst.
Highly selective detection of 2,4,6-trinitrophenol by using newly developed terbium-doped blue carbon dots
Tb-CDs were firstly prepared through one-step direct carbonization method for highly selective detection of TNP.
Characterisation of graphene fibres and graphene coated fibres using capacitively coupled contactless conductivity detector
The use of capacitively coupled contactless conductivity detection (C4D) for the characterisation of thin conductive graphene fibres, graphene composite fibres, and graphene coated fibrous materials is demonstrated for the first time.
An oligonucleotide-functionalized carbon nanotube chemiresistor for sensitive detection of mercury in saliva
We report a highly selective and sensitive biosensor for detection of both mercuric (Hg2+) and monomethyl mercury (CH3Hg+) that are known to be highly toxic to humans.
Carbon quantum dots directly generated from electrochemical oxidation of graphite electrodes in alkaline alcohols and the applications for specific ferric ion detection and cell imaging
Carbon quantum dots (CQDs) are attracting tremendous interest owing to their low toxicity, water dispersibility, biocompatibility, optical properties and wide applicability.
Can the mechanical activation (polishing) of screen-printed electrodes enhance their electroanalytical response?
The use of mechanical activation (polishing) as a pre-treatment for screen-printed electrodes (SPEs) is reported and shown to give rise to an improved electroanalytical response.
Electrochemical sensing of etoposide using carbon quantum dot modified glassy carbon electrode
In this study, carbon quantum dots were used for enhancement of the electrochemical signals of etoposide.
β-Cyclodextrin functionalized carbon quantum dots as sensors for determination of water-soluble C60 fullerenes in water
A selective photoluminescence method based on Carbon Quantum Dots (CQDs) functionalized with carboxymethyl-β-cyclodextrin for the direct determination of water-soluble C60 fullerene has been developed.
Au nanoparticle decorated graphene nanosheets for electrochemical immunosensing of p53 antibodies for cancer prognosis
Thiolated self-assembled reduced graphene oxide films were decorated with gold nanoparticles for development of a label-free p53-antibody immunosensor.
Stochastic detection and characterisation of individual ferrocene derivative tagged graphene nanoplatelets
Graphene nanoplatelets (GNPs) are ‘tagged’ with 1-(biphen-4-yl)ferrocene, which has been studied via nano-impacts to derive the corresponding surface coverage.
Surface activation of CNT Webs towards layer by layer assembly of biosensors
Several surface activation methods such as chemical, electrochemical and plasma have been used for enhancing the electrochemical performance of carbon based electrodes for various applications.
The influence of oxidation debris containing in graphene oxide on the adsorption and electrochemical properties of 1,10-phenanthroline-5,6-dione
The presence of oxidation debris greatly impact on the adsorption and electrochemical response of 1,10-phenanthroline-5,6-dione on graphene oxide.
Large-scale sensor systems based on graphene electrolyte-gated field-effect transistors
This work reports a novel graphene electrolyte-gated field-effect transistor (EGFET) array architecture along with a compact, self-contained, and inexpensive measurement system that allows DC characterization of hundreds of graphene EGFETs as a function of VDS and VGS within a matter of minutes.
Fullerenes in asphaltenes and other carbonaceous materials: natural constituents or laser artifacts
A comprehensive investigation of the formation of fullerenes from carbonaceous materials using laser-based mass spectrometry techniques.
A direct assay of carboxyl-containing small molecules by SALDI-MS on a AgNP/rGO-based nanoporous hybrid film
Here we prepared a nanoporous multilayer film for the direct analysis of carboxyl-containing small molecules by surface-assisted laser desorption/ionization mass spectrometry with silver nanoparticles and reduced graphene oxide through layer-by-layer electrostatic self-assembling.
About this collection
This themed collection of papers showcases research on carbon quantum dots, carbon nanotubes, and (nano)diamonds in the fields of electroanalysis, spectroscopy, and separation sciences. Guest Edited by Martin Pumera. New articles will be added to this collection as they are published.