Immobilization of enzymes on the transducer surface is a necessary and critical step in the
design of biosensors. An overview of the different immobilization techniques reported in the …

Urea is the major end product of nitrogen metabolism in humans, which is eliminated from
the body mainly by the kidneys through urine but is also secreted in body fluids such as …

Applications of conducting polymers to biosensors have recently aroused much interest.
This is because these molecular electronic materials offer control of different parameters …

There is an urgent need in the medical diagnostics laboratories for accurate, fast and
inexpensive devices, which can be routinely used. The reliable and accurate information on …

Smartphone-assisted point-of-care (POC) bioassay has brought a giant leap in personal
healthcare system and environmental monitoring advancements. In this study, we …

Urease (Ur) and glutamate dehydrogenase (GLDH) have been co-immobilized onto
superparamegnatic iron oxide (Fe3O4) nanoparticles-chitosan (CH) based …

A biosensor is an analytical tool that comprises two essential components—an immobilized
biocomponent, in intimate contact with a transducer that converts a biological signal into a …

This paper reviews recent developments in urea biosensors, as reported in the literature.
The advantages and roles of various matrices, different strategies for biosensor construction …

Herein, we reported for the first time that gold nanoparticles-catalyzed 3, 3′, 5, 5′-
tetramethylbenzidine-H 2 O 2 system can serve as an ultrasensitive colorimetric pH …

This review presents the recent advances in the achievement of organized proteo-lipidic
nanostructures based on Langmuir–Blodgett technology and their potential applications in …