A novel whole cell bacterial biosensor, which emits light in response to the active metabolite of cytosine arabinoside (ara-C, cytarabine), ara-CTP, has been investiga...
The study presented herein investigates a novel arrangement of fiber-optic biosensors based on a tilted fiber Bragg grating (TFBG) coated with noble metal nanoparticle...
A simple and novel method is proposed for the preparation of Carbon dots (C-dots) with excellent properties. We firstly demonstrated that the fluorescence of C-dots de...
Bioluminescence is widely used in biosensors. For water toxicity analysis, the naturally bioluminescent bacteria Vibrio fischeri have been used extensively. We investi...
Using structural characterizations and electrochemical measurements, we explored and investigated the effect of the structure of enzyme electrodes with glucose oxidase...
A novel composite film of Au@carbon dots (Au@CDs)-chitosan (CS) modified glassy carbon electrode (Au@CDs-CS/GCE) was prepared in a simple manner and applied in the sen...
In this article we present ultra-sensitive, silicon nanowire (SiNW)-based biosensor devices for the detection of disease biomarkers. An electrochemically induced funct...
Quorum sensing (QS) is involved in many important biological functions such as luminescence, antibiotic production, and biofilm formation. The autoinducer N-(3-oxo-hex...
Layered nanocomposite of methylene blue (MB)-intercalated vanadium oxide was obtained through a simple hydrothermal synthesis method using MB, V2O5, and NaI as startin...
In renal transplant patients, immunosuppressive therapy may result in the reactivation of polyomavirus BK (BKV), leading to polyomavirus-associated nephropathy (PVAN),...
Salmonellosis, one of the most common food and water-borne diseases, has a major global health and economic impact. Salmonella cells present high infection rates, pers...
This work presents a novel bienzymatic biosensor for the simultaneous determination of nitrite (NO2(-)) and nitrate (NO3(-)) ions using copper, zinc superoxide dismuta...
NiO nanorods (Nr-NiO) synthesized under glancing angle deposition (GLAD) configuration in RF sputtering have been explored for potential application in urea biosensor....
Live cell compound screening with genetically encoded fluorescence or bioluminescence-based biosensors offers a potentially powerful approach to identify novel regulat...
Cyclic-AMP dependent protein kinase (PKA) is present in most branches of the animal kingdom, and is an example in the nervous system where a kinase effector integrates...
The proteolytic activity of Membrane-type 1 Matrix Metalloproteinase (MT1-MMP) is crucial for cancer cell invasion and metastasis. To visualize the protease activity o...
NADH is an essential redox cofactor in numerous metabolic reactions, and the cytosolic NADH-NAD(+) redox state is a key parameter in glycolysis. Conventional NADH meas...
Fluorescence imaging provides a powerful technique to visualize spatiotemporal dynamics of biomolecules in living cells, if fluorescent biosensors for the relevant bio...
Genetically encoded, ratiometric, fluorescent biosensors can be used to quantitatively measure intracellular ion concentrations in living cells. We describe important ...
After providing a brief overview of the basics of fluorescence and FRET, this chapter discusses the most commonly used methods to record FRET. Emphasis is on microscop...