Lysozyme detection on aptamer functionalized graphene-coated SPR interfaces.
The paper reports on a surface plasmon resonance (SPR)-based approach for the sensitive and selective detection of lysozyme. The SPR sensor consists of a 50 nm gold fi...
Microbial monooxygenase amperometric biosensor for monitoring of Baeyer-Villiger biotransformation.
A whole-cell amperometric biosensor consisting of genetically engineered Escherichia coli immobilised in polyelectrolyte membrane onto a miniaturised oxygen electrode ...
Electrochemically deposited Pd-Pt and Pd-Au codeposits on graphite electrodes for electrocatalytic H2O2 reduction.
Improved electrocatalytic activity and selectivity for the reduction of H2O2 were obtained by electrodepositing Pd-Pt and Pd-Au on spectrographic graphite from solutio...
rhEPO/EPO discrimination with ultrasensitive electrochemical biosensor based on sandwich-type nano-Au/ZnO sol-gel/nano-Au signal amplification.
This research established a non-labeled electrochemical biosensor for discrimination of recombinant human erythropoietin (rhEPO) and endogenous erythropoietin (EPO). W...
Label-free fluorescent DNA biosensors based on metallointercalators and nanomaterials.
DNA based biosensors have become increasingly important in medical diagnostics, genetic and drug screening, and forensics in this post-genomic era. Chemical labeling m...
An ultrasensitive biosensor for DNA detection based on hybridization chain reaction coupled with the efficient quenching of a ruthenium complex to CdTe quantum dots.
A highly sensitive and selective DNA biosensor based on hybridization chain reaction is described, which combines CdTe quantum dots (QDs) and a ruthenium complex. Base...
Attaching DNA to nanoceria: regulating oxidase activity and fluorescence quenching.
Cerium oxide nanoparticles (nanoceria) have recently emerged as a nanozyme with oxidase activity. In this work, we present a few important interfacial properties of na...
Capillary osmosis in a charged nanopore connecting two large reservoirs.
Experimental evidence revealed that the performance of nanopore-based biosensing devices can be improved by applying a salt concentration gradient. To provide a theore...
Development of a magnetic electrochemical bar code array for point mutation detection in the H5N1 neuraminidase gene.
Since its first official detection in the Guangdong province of China in 1996, the highly pathogenic avian influenza virus of H5N1 subtype (HPAI H5N1) has reportedly b...
Conformational switch for cisplatin with hemin/G-quadruplex DNAzyme supersandwich structure.
Cisplatin is a representative of cytotoxic and antineoplastic metallodrugs used for the treatment of various malignancies. In this paper, an enzyme-free amplification ...
Visualization of caspase-3-like activity in cells using a genetically encoded fluorescent biosensor activated by protein cleavage.
Cytosolic caspase-3-like proteases, such as caspase-3 and caspase-7, have a central role in mediating the progress of apoptosis. Here to conveniently monitor caspase-3...
Quorum quenching in culturable phyllosphere bacteria from tobacco.
Many Gram-negative plant pathogenic bacteria employ a N-acylhomoserine lactone (AHL)-based quorum sensing (QS) system to regulate their virulence traits. A sustainable...
Aspartic acid functionalized water-soluble perylene diimide as "Off-On" fluorescent sensor for selective detection Cu(2+) and ATP.
Aspartic functionalized water-soluble perylene diimide, N,N'-di(2-succinic acid)-perylene-3,4,9,10-tetracarboxylic diimide (PASP) has two absorbance maximums at 527 an...
A protein-based electrochemical biosensor array platform for integrated microsystems.
This paper elucidates challenges in integrating different classes of proteins into a microsystem and presents an electrochemical array strategy for heterogeneous prote...
Biosensor technology: recent advances in threat agent detection and medicine.
Biosensors are of great significance because of their capability to resolve a potentially large number of analytical problems and challenges in very diverse areas such...
Self-assembled graphene quantum dots induced by cytochrome c: a novel biosensor for trypsin with remarkable fluorescence enhancement.
On the basis of cytochrome c-induced self-assembled graphene quantum dots, we demonstrate a novel fluorescent biosensor for trypsin with remarkable fluorescence enhanc...
Gold microwires based amperometric biosensor exploiting microbial architecture.
Amalgamation of nanotechnology and biology has opened new horizons for controlled synthesis of nanomaterials of nano and micro-lengthscales for diverse sensing, cataly...
Mast cell-based electrochemical biosensor for quantification of the major shrimp allergen Pen a 1 (tropomyosin).
A novel cell-based electrochemical biosensor was developed to quantify major shrimp allergen Pen a 1 (tropomyosin) and to assess its immunoglobulin E (IgE)-mediated hy...
Electrochemical impedance immunosensor based on gold nanoparticles-protein G for the detection of cancer marker epidermal growth factor receptor in human plasma and brain tissue.
A sensitive label-free impedimetric immunosensor for the detection of cancer biomarker epidermal growth factor receptor (EGFR) was developed with a limit of detection ...
Sensitivity improved plasmonic gold nanoholes array biosensor by coupling quantum-dots for the detection of specific biomolecular interactions.
In this paper, we focused on the large-scale fabrication of gold nanoholes array capable of supporting surface plasmonic resonance (SPR) via the developed nanosphere l...