Label-free biodetection using a smartphone.
Utilizing its integrated camera as a spectrometer, we demonstrate the use of a smartphone as the detection instrument for a label-free photonic crystal biosensor. A cu...
Optimizing cadmium and mercury specificity of CadR-based E. coli biosensors by redesign of CadR.
The metalloprotein, CadR, was redesigned to optimize cadmium and mercury specificity of CadR-based E. coli biosensors. By truncating 10 and 21 amino acids from the C-t...
An enzymatic biosensor for hydrogen peroxide based on CeO2 nanostructure electrodeposited on ITO surface.
In this study, an enzymatic biosensor for amperometric detection of hydrogen peroxide was developed based on the direct electrochemistry of myoglobin (Mb) on a porous ...
Immobilization of glucose oxidase on chitosan-based porous composite membranes and their potential use in biosensors.
The glucose oxidase (GOx) enzyme was immobilized on chitosan-based porous composite membranes using a covalent bond between GOx and the chitosan membrane. The chitosan...
A novel electrochemical biosensor based on horseradish peroxidase immobilized on Ag-nanoparticles/poly(l-arginine) modified carbon paste electrode toward the determination of pyrogallol/hydroquinone.
A novel electrochemical biosensor for the determination of pyrogallol (PG) and hydroquinone (HQ) has been constructed based on the poly l-arginine (poly(l-Arg))/carbon...
Development of robust and standardized cantilever sensors based on biotin/NeutrAvidin coupling for antibody detection.
A cantilever-based protein biosensor has been developed providing a customizable multilayer platform for the detection of antibodies. It consists of a biotin-terminate...
Direct growth of vertically-oriented graphene for field-effect transistor biosensor.
A sensitive and selective field-effect transistor (FET) biosensor is demonstrated using vertically-oriented graphene (VG) sheets labeled with gold nanoparticle (NP)-an...
Global analytical strategy to measure drug-plasma protein interactions: from high-throughput to in-depth analysis.
The selection of drug candidates with improved pharmacokinetics is essential to reduce the attrition rates during drug development and represents one of the big challe...
In-situ immuno-gold nanoparticle network ELISA biosensors for pathogen detection.
Food poisoning microorganisms that contaminate food products and compromise food safety and security have been considered a major health threat and a serious concern f...
A simple and rapid optical biosensor for detection of aflatoxin B1 based on competitive dispersion of gold nanorods.
This report illustrates a promising one-step and label-free optical biosensor for determination of aflatoxin B1 (AFB1) that is most commonly found in foods and highly ...
Sensitive D-amino acid biosensor based on oxidase/peroxidase system mediated by pentacyanoferrate-bound polymer.
A sensitive d-amino acid oxidase (DAAO)/peroxidase (POD) bienzyme biosensor is constructed, in which pentacyanoferrate-bound poly(1-vinylimidazole) polymer (PVI[Fe(CN)...
Sensitive chemiluminescence detection of wild-type p53 protein captured by surface-confined consensus DNA duplexes.
A novel chemiluminescence (CL) biosensor for sensitive detection of wild-type p53 protein has been proposed. The wild-type p53 protein in solution was captured by high...
Ultrasensitive electrochemical DNA detection based on dual amplification of circular strand-displacement polymerase reaction and hybridization chain reaction.
We developed a novel electrochemical strategy for ultrasensitive DNA detection using a dual amplification strategy based on the circular strand-displacement polymerase...
An amperometric acetylcholine biosensor based on a conducting polymer.
An amperometric acetylcholine biosensor was prepared by the generation of the conducting polymer poly(4-(2,5-di(thiophen-2-yl)-1H-pyrrol-1-yl)benzenamine) (poly(SNS-NH...
Structure-dependent activities of hydroxylated polybrominated diphenyl ethers on human estrogen receptor.
Polybrominated diphenyl ethers (PBDEs) have been shown to affect the estrogen receptor (ER) signaling pathway, and one of the proposed disruption mechanisms is direct ...
Biosensor based on ds-DNA decorated chitosan modified multiwall carbon nanotubes for voltammetric biodetection of herbicide amitrole.
The interaction of amitrole and salmon sperm ds-DNA was studied using UV-vis and differential pulse voltammetry (DPV) at both bare and DNA-modified electrodes. Amitrol...
Tuberculosis diagnosis using immunodominant, secreted antigens of Mycobacterium tuberculosis.
Tuberculosis (TB) remains a major public health concern in most low-income countries. Hence, rapid and sensitive TB diagnostics play an important role in detecting and...
Label-free detection of glycoproteins by the lectin biosensor down to attomolar level using gold nanoparticles.
We present here an ultrasensitive electrochemical biosensor based on a lectin biorecognition capable to detect concentrations of glycoproteins down to attomolar (aM) l...
Measurement of porcine haptoglobin in meat juice using surface acoustic wave biosensor technology.
Aim of the study was the application of biosensor technique to measure the concentration of an acute phase protein (APP) within complex matrices from animal origin. Fo...
Fabrication of glucose biosensor for whole blood based on Au/hyperbranched polyester nanoparticles multilayers by antibiofouling and self-assembly technique.
Acknowledging the benefits of hyperbranched polymers and their nanoparticles, herein we report the design and synthesis of sulfonic acid group functionalized hydroxyl-...