Protein sensing by nanofluidic crystal and its signal enhancement.
Nanofluidics has a unique property that ionic conductance across a nanometer-sized confined space is strongly affected by the space surface charge density, which can b...
On-chip microfluidic biosensor using superparamagnetic microparticles.
In this paper, an integrated solution towards an on-chip microfluidic biosensor using the magnetically induced motion of functionalized superparamagnetic microparticle...
Surface plasmon resonance biosensor method for palytoxin detection based on Na+,K+-ATPase affinity.
Palytoxin (PLTX), produced by dinoflagellates from the genus Ostreopsis was first discovered, isolated, and purified from zoanthids belonging to the genus Palythoa. Th...
Mycobacterium tuberculosis DNA detection using surface plasmon resonance modulated by telecommunication wavelength.
A surface plasmon resonance sensor for Mycobacterium tuberculosis (MTB) deoxyribonucleic acid (DNA) is developed using repeatable telecommunication wavelength modulati...
Development of exobiopolymer-based biosensor for detection of phosphate in water.
The present study was conducted to develop a biosensor by exploiting phosphate-binding capacity of exobiopolymer (EBP) produced by Acinetobacter sp. An environmental i...
Real-time imaging of the intracellular glutathione redox potential in the malaria parasite Plasmodium falciparum.
In the malaria parasite Plasmodium falciparum, the cellular redox potential influences signaling events, antioxidant defense, and mechanisms of drug action and resista...
Biosensor based on tyrosinase immobilized on a single-walled carbon nanotube-modified glassy carbon electrode for detection of epinephrine.
A biosensor comprising tyrosinase immobilized on a single-walled carbon nanotube-modified glassy carbon electrode has been developed. The sensitive element, ie, tyrosi...
Biotoxin detection using cell-based sensors.
Cell-based biosensors (CBBs) utilize the principles of cell-based assays (CBAs) by employing living cells for detection of different analytes from environment, food, c...
Photostability and toxicity of finasteride, diclofenac and naproxen under simulating sunlight exposure: evaluation of the toxicity trend and of the packaging photoprotection.
BACKGROUND: Drugs photostability plays two different opposite roles; a real advantage arises considering the longer expiration time of the drugs while the consequent p...
Potentiometric urea biosensor based on an immobilised fullerene-urease bio-conjugate.
A novel method for the rapid modification of fullerene for subsequent enzyme attachment to create a potentiometric biosensor is presented. Urease was immobilized onto ...
Plasmonic petal-shaped beam for microscopic phase-sensitive SPR biosensor with ultrahigh sensitivity.
Differential phase measurement between radially polarized (RP) and azimuthally polarized (AP) beams is an important technique in microscopic surface plasmon resonance ...
Resonant waveguide grating biosensor-enabled label-free and fluorescence detection of cell adhesion.
Cell adhesion to extracellular matrix (ECM) is fundamental to many distinct aspects of cell biology, and has been an active topic for label-free biosensors. However, l...
A tale of two retinal domains: near-optimal sampling of achromatic contrasts in natural scenes through asymmetric photoreceptor distribution.
For efficient coding, sensory systems need to adapt to the distribution of signals to which they are exposed. In vision, natural scenes above and below the horizon dif...
An iron impurity in multiwalled carbon nanotube complexes with chitosan that biomimics the heme-peroxidase function.
A new biomimetic functional system having an impure multiwalled carbon nanotube (MWCNT-Fe)-chitosan biopolymer (H2N-CHIT) chemically modified glassy carbon electrode (...
Design and test of a biosensor-based multisensorial system: a proof of concept study.
Sensors are often organized in multidimensional systems or networks for particular applications. This is facilitated by the large improvements in the miniaturization p...
Self-cleaning membrane to extend the lifetime of an implanted glucose biosensor.
The lifetime and efficacy of a subcutaneously implanted glucose biosensor could be greatly improved by a self-cleaning membrane capable of periodic physical removal of...
The NO/cGMP pathway inhibits transient cAMP signals through the activation of PDE2 in striatal neurons.
The NO-cGMP signaling plays an important role in the regulation of striatal function although the mechanisms of action of cGMP specifically in medium spiny neurons (MS...
Optical detection of E. coli bacteria by mesoporous silicon biosensors.
A label-free optical biosensor based on a nanostructured porous Si is designed for rapid capture and detection of Escherichia coli K12 bacteria, as a model microorgani...
Editorial for "Recent advances in DNA-based biosensor".
Response of C2C12 myoblasts to hypoxia: the relative roles of glucose and oxygen in adaptive cellular metabolism.
BACKGROUND: Oxygen and glucose are two important nutrients for mammalian cell function. In this study, the effect of glucose and oxygen concentrations on C2C12 cellula...