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Article
Detection of Ochratoxin A Mycotoxin with Graphene Nanosheets Functionalized with Selective Peptides Using Molecular Dynamics
Ochratoxin A (OTA) is a mycotoxin commonly found in improperly stored grains, posing significant risks to food safety. Accurate detection of this mycotoxin in food matrices is crucial for ensuring consumer pro...
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Article
Sub-femtomolar capacitance-based biosensing of kanamycin using screen-printed electrodes coated with redox-active polymeric films
An ultrasensitive capacitance-based biosensor has been developed capable of detecting the kanamycin (KAN) antibiotic at sub-femtomolar levels. The biosensor was constructed using a potential-pulse-assisted met...
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Article
Impedimetric DNA E-biosensor for multiplexed sensing of Escherichia coli and its virulent f17 strains
An impedance-based DNA multiplexed biosensor was designed to simultaneously detect Escherichia coli (yaiO gene) and its virulent f17 variant. The thiolated DNA dual probe was self-assembled onto the surface of th...
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Article
Ferrocene–Functionalized Carbon Nanotubes: An Adsorbent for Rhodamine B
It is well-known that direct discharges of dye-contaminated wastewaters generated from various industries (i.e., textile, cosmetics and food industries,…) cause severe effects on both aquatic environment and h...
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Article
A printed SWCNT electrode modified with polycatechol and lysozyme for capacitive detection of α-lactalbumin
The authors describe an electrochemical sensor for the breast cancer marker α-lactalbumin (αLA). It is based on the use of printed single-walled carbon nanotube (SWCNT) electrodes that were modified with polyc...
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Article
A sensitive nitrite sensor using an electrode consisting of reduced graphene oxide functionalized with ferrocene
A composite consisting of chitosan containing azidomethylferrocene covalently immobilized on sheets of reduced graphene oxide was drop-casted on a polyester support to form a screen-printed working electrode t...
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Article
Enzymatic sensing of glucose in artificial saliva using a flat electrode consisting of a nanocomposite prepared from reduced graphene oxide, chitosan, nafion and glucose oxidase
We report on the preparation of a nanoporous flat electrode by drop casting a nanocomposite consisting of reduced graphene oxide (rGO) and chitosan onto a polyester substrate. An underlying conductive surface ...
