Now showing items 1-10 of 18
Transition metal-depleted graphenes for electrochemical applications via reduction of CO2 by lithium
Graphene has immense potential for future applications in the electrochemical field, such as in supercapacitors, fuel cells, batteries, or sensors. Graphene materials for such applications are typically fabricated through ...
An insight into the hybridization mechanism of hairpin DNA physically immobilized on chemically modified graphenes
There is an emerging interest in developing electrochemical DNA biosensors which rely on label-free protocols for the detection of DNA hybridization and polymorphism. Lately, many of them have been using DNA probes which ...
Artificial micro-cinderella based on self-propelled micromagnets for the active separation of paramagnetic particles
In this work, we will show that ferromagnetic microjets can pick-up paramagnetic beads while not showing any interaction with diamagnetic silica microparticles for the active separation of microparticles in solution.
Biorecognition on graphene : physical, covalent, and affinity immobilization methods exhibiting dramatic differences
The preparation of biorecognition layers on the surface of a sensing platform is a very crucial step for the development of sensitive and selective biosensors. Different protocols have been used thus far for the immobilization ...
Biomarkers detection on hydrogenated graphene surfaces : towards applications of graphane in biosensing
Graphane, the hydrogenated form of graphene, is a material of significant interest. Here we compare properties of hydrogenated graphene and ordinary graphene used for electrochemical oxidation of important biomarkers, such ...
Unscrolling of multi-walled carbon nanotubes : towards micrometre-scale graphene oxide sheets
Chemical routes toward obtaining graphene materials are commonly used in the field, and one such preparation method is the unzipping of carbon nanotubes into long, thin graphene nanoribbons. In this work, we show that ...
Highly hydrogenated graphene through microwave exfoliation of graphite oxide in hydrogen plasma : towards electrochemical applications
Hydrogenated graphenes exhibit a variety of properties with potential applications in devices, ranging from a tunable band gap to fluorescence, ferromagnetism, and the storage of hydrogen. We utilize a one-step ...
Surfactant capsules propel interfacial oil droplets: an environmental cleanup strategy
Invited for this month’s cover is the group of Prof. Martin Pumera from Nanyang Technological University, Singapore. The cover picture shows pristine underwater coral. This image symbolizes the beauty of a clean environment ...
Surfactant capsules propel interfacial oil droplets : an environmental cleanup strategy
Coming clean: Polymer capsules of millimeter dimensions have been loaded with surfactants of negative, positive, or neutral charge, and their influence on the movement of oil droplets at the water/air interface was compared. ...
Chemically modified graphenes as detectors in lab-on-chip device
Graphene materials hold immense potentials for electrochemical detectors in lab-on-chip devices. The electronic and electrochemical properties of graphene based materials are significantly affected by the fabrication routes ...