Biomedical applications of multifunctional plasmonic nanoparticles.
Plasmonic nanoparticles play an important role in biomedical applications today as they can serve as superior, optically stable bioimaging agents, be employed in biose...
Direct electrochemical sensor for label-free DNA detection based on zero current potentiometry.
A direct electrochemical DNA biosensor based on zero current potentiometry was fabricated by immobilization of ssDNA onto gold nanoparticles (AuNPs) coated pencil grap...
Casein modified gold nanoparticles for future theranostic applications.
The synthesis and characterization of gold nanoparticles (AuNPs 20 nm sized) modified with k-casein derived peptides in order to monitor the peptide effect as bacteria...
A highly sensitive and selective optical sensor for Pb2+ by using conjugated polymers and label-free oligonucleotides.
The detection of Pb(2+) with DNA-based biosensor is usually susceptible to severe interference from Hg(2+) because of the T-Hg(2+)-T interaction between Hg(2+) and T r...
Sensitive label-free electrochemical analysis of human IgE using an aptasensor with cDNA amplification.
In this study, we developed an ultrasensitive label-free aptamer-based electrochemical biosensor, featuring a highly specific anti-human immunoglobulin E (IgE) aptamer...
Bioelectronic tongue of taste buds on microelectrode array for salt sensing.
Taste has received great attention for its potential applications. In this work, we combine the biological tissue with micro-chips to establish a novel bioelectronic t...
Nanowires array modified electrode for enhanced electrochemical detection of nucleic acid.
The gold nanowires array electrode (AuNWsA) was synthesized by two step electrodeposition, which provided well oriented vertically aligned nanowires. The dimensions of...
The effect of uniform capture molecule orientation on biosensor sensitivity: dependence on analyte properties.
Uniform orientation of capture molecules on biosensors has been reported to increase sensitivity. Here it is investigated which analyte properties contribute to sensit...
Biosensor based on acetylcholinesterase immobilized onto layered double hydroxides for flow injection/amperometric detection of organophosphate pesticides.
We developed a highly sensitive flow injection/amperometric biosensor for the detection of organophosphate pesticides (OPs) using layered double hydroxides (LDHs) as t...
Real time monitoring of thrombin interactions with its aptamers: insights into the sandwich complex formation.
Aptamers are raising an increasing interest for biosensor applications as replacements for antibodies due to their high stability and low cost. Thrombin, a key enzyme ...
Direct detection of genomic DNA by surface plasmon resonance imaging: an optimized approach.
The direct detection of specific sequences in genomic DNA samples is very challenging in the biosensor-based approach. In this work we developed an optimized strategy ...
Acceleration of deposition of Aβ(1-40) peptide on ultrasonically formed Aβ(1-42) nucleus studied by wireless quartz-crystal-microbalance biosensor.
High-frequency (~ 55 MHz) wireless quartz-crystal microbalance biosensor was used for studying heterogeneous deposition behavior of Aβ(1-40) peptide on Aβ(1-42) nuclei...
Step-gate polysilicon nanowires field effect transistor compatible with CMOS technology for label-free DNA biosensor.
Currently, detection of DNA hybridization using fluorescence-based detection technique requires expensive optical systems and complex bioinformatics tools. Hence, the ...
Effect of organics and alkalinity on the sulfur oxidizing bacteria (SOB) biosensor.
The environmental risk assessment of toxic chemicals in stream water requires the use of a low cost standardized toxicity bioassay. Here, a biosensor for detection of ...
The label free picomolar detection of insulin in blood serum.
Insulin, a polypeptide hormone secreted by pancreatic cells, is a key regulator in glucose homeostasis. Its deficiency leads to insulin-dependent (type I) diabetes whe...
Dual on-off and off-on switchable oligoaziridine biosensor.
A water-soluble biocompatible aziridine-based biosensor with pendant anthracene units was synthesized by radicalar polymerization of N-substituted aziridines in superc...
Detection of recombinant growth hormone by evanescent cascaded waveguide coupler on silica-on-silicon.
An evanescent wave based biosensor is developed on the silica-on-silicon (SOS) with a cascaded waveguide coupler for the detection of recombinant growth hormone. So fa...
A novel and highly sensitive acetyl-cholinesterase biosensor modified with hollow gold nanospheres.
In this work, a highly sensitive acetylcholinesterase (AChE) inhibition-based amperometric biosensor has been developed. Firstly, a glassy carbon electrode (GCE) was m...
Application of Fe3O4 mesoporous sphere modified carbon ionic liquid electrode as electrochemical hemoglobin biosensor.
A new electrochemical hemoglobin (Hb) biosensor was constructed based on a Fe(3)O(4) mesoporous spheres modified carbon ionic liquid electrode (CILE), which showed exc...
Bismuth nanoparticles for phenolic compounds biosensing application.
The rapid determination of trace phenolic compounds is of great importance for evaluating the total toxicity of contaminated water samples. Nowadays, electrochemical t...