Themed collection JMC B Editor’s choice web collection: ‘‘seeing the unseen updated: advances in biosensing’’
Journal of Materials Chemistry B Editor's choice web collection: ‘‘Seeing the unseen updated: advances in biosensing’’
Xiaogang Qu introduces a Journal of Materials Chemistry B Editor's choice web collection on advances in biosensing (http://rsc.li/BiosensorsAdvances).
Advances in non-enzymatic glucose sensors based on metal oxides
This review summarizes the advances in non-enzymatic glucose sensors based on different metal oxides (ZnO, CuO/Cu2O, NiO, etc.) and their composites.
Functional nanostructures for enzyme based biosensors: properties, fabrication and applications
A review describing functional nanostructures for portable and printable enzyme biosensors. Specific physicochemical and surface properties of nanoparticles used as carriers and sensing components and their assembly are discussed with an overview of current and emerging techniques enabling large scale roll-to-roll fabrication and miniaturization. Their integration in flexible, wearable and inexpensive point-of-use devices, and implementation challenges are also provided with examples of applications.
Cobalt phosphide nanowire array as an effective electrocatalyst for non-enzymatic glucose sensing
A cobalt phosphide nanowire array was grown in situ on titanium mesh, exhibiting high catalytic activity towards electrooxidation of glucose, and offering a non-enzymatic electrochemical glucose sensor with remarkable selectivity and long-term stability.
One-step electrodeposition of a nickel cobalt sulfide nanosheet film as a highly sensitive nonenzymatic glucose sensor
An electrodeposited nickel cobalt sulfide nanosheet film acts as a nonenzymatic glucose sensor with wide linear response range of 0.001–3 mM, low detection limit of 0.12 μM, high sensitivity of 3291.5 μA mM−1 cm−2, as well as good selectivity and long-term stability.
A luminescent G-quadruplex-selective iridium(III) complex for the label-free detection of lysozyme
A novel Ir(III) complex 1 displays high selectivity for the G-quadruplex, and was used to establish a label-free G-quadruplex-based detection platform for lysozyme in buffer.
Facile synthesis of ultrathin Ni-MOF nanobelts for high-efficiency determination of glucose in human serum
Ultrathin Ni-MOF nanobelts, [Ni20(C5H6O4)20(H2O)8]·40H2O(Ni-MIL-77 NBs), were synthesized by a facile one-pot solution process and can be used as an efficient catalyst electrode for glucose oxidation under alkaline conditions.
A highly specific and ultrasensitive fluorescent probe for basal lysosomal HOCl detection based on chlorination induced by chlorinium ions (Cl+)
A simple pH-mediated lysosome-targetable fluorescent probe with picomolar sensitivity for HOCl was firstly developed to visualize basal lysosomal HOCl.
MoS2 nanosheet–Au nanorod hybrids for highly sensitive amperometric detection of H2O2 in living cells
MoS2–Au hybrids were utilized to construct a sensitive H2O2 electrochemical biosensor for the determination of H2O2 released from living cells.
Optical transformation of a CdTe quantum dot-based paper sensor for a visual fluorescence immunoassay induced by dissolved silver ions
This work designs a visual fluorescence immunoassay for carcinoembryonic antigen based on structural and optical transformation of CdTe quantum dots immobilized on paper by cation-exchange reaction.
Green preparation of carbon dots for intracellular pH sensing and multicolor live cell imaging
Nitrogen-doped carbon dots exhibit a distinct pH-sensitive/excitation-dependent photoluminescence emission feature within pH 4.0–8.0, facilitating intracellular pH sensing and multicolor imaging of live HeLa cells.
Highly stable biomolecule supported by gold nanoparticles/graphene nanocomposite as a sensing platform for H2O2 biosensor application
Highly stable biomolecule supported by AuNPs assisted with graphene nanocomposite as a sensing platform for H2O2 biosensor application.
Platinum nanoparticles on reduced graphene oxide as peroxidase mimetics for the colorimetric detection of specific DNA sequence
We report the first demonstration of platinum nanoparticles–reduced graphene oxide nanocomposites as peroxidase mimetics for colorimetric DNA detection.
A two-photon ratiometric ESIPT probe for the discrimination of different palladium species and its application in bioimaging
A two-photon ratiometric ESIPT probe for the discrimination of different palladium species which could be used for bioimaging.
Fe-doped CeO2 nanorods for enhanced peroxidase-like activity and their application towards glucose detection
Surface defects of Fe-doped CeO2 nanorods were found to be active sites for increasing peroxidase mimetic activity.
Self-assembled vesicle and rod-like aggregates of functionalized perylene diimide: reaction-based near-IR intracellular fluorescent probe for selective detection of palladium
Aggregates of PS-PDI after Pd0 based depropargylation show de-aggregation and near-IR, ratiometric absorbance changes in water and live HeLa cells.
Preparation of graphene nano-sheet bonded PDA/MOF microcapsules with immobilized glucose oxidase as a mimetic multi-enzyme system for electrochemical sensing of glucose
A novel amperometric biosensor for glucose detection was fabricated based on a mimetic multi-enzyme system by combing mimetic enzymes (metal–organic frameworks, MOFs) and glucose oxidase (GOx).
A single fluorescent probe for multiple analyte sensing: efficient and selective detection of CN−, HSO3− and extremely alkaline pH
A water-soluble broadly emitting (500–650 nm) fluorescent probe (IECBT) for the selective and sensitive detection of multiple analytes, including CN−, HSO3− and extremely alkaline pH, is designed and synthesized.
Graphene quantum dots as selective fluorescence sensor for the detection of ascorbic acid and acid phosphatase via Cr(VI)/Cr(III)-modulated redox reaction
A facile and rapid fluorescence assay based on a redox reaction for successively detecting ascorbic acid and acid phosphatase was developed via Cr(VI)-modulated graphene quantum dots (GQDs).
Surface functionalized halloysite nanotubes decorated with silver nanoparticles for enzyme immobilization and biosensing
Illustrating the selective modification of the HNTs for the incorporation of AgNPs and site-specific covalent immobilization of the GOx enzymes.
Multicolour fluorescent carbon nanoparticle probes for live cell imaging and dual palladium and mercury sensors
Cytocompatible carbon nanoparticles (CNPs) having high quantum yield and multicolour bioimaging properties were synthesized and employed as sensitive, selective and rapid dual sensor for Pd2+ and Hg2+.
About this collection
This second in a two-part series of JMC B Editor’s choice web collections focusses on the recent advances in biosensing.
Journal of Material Chemistry B’s Associate Editor Xiaogang Qu (Chinese Academy of Sciences, CIAC, China) has gathered together the journal’s most outstanding recent papers on biosensing.
Browse this collection to view reviews and original research demonstrating the many interesting results published in this exciting field. This Editor’s choice web collection entitled ‘‘seeing the unseen updated: advances in biosensing’’ highlights Journal of Materials Chemistry B’s most outstanding papers in functional materials-based biosensing.