Screen-Printed Silver/Silver Chloride Electrodes Inhibit Alcohol Oxidase Activity
نویسندگان
چکیده
Abstract Silver/silver chloride (Ag/AgCl) is ubiquitous in the field of electrochemical biosensing due to its suitability as a reference electrode material. However, we recently discovered that screen-printed Ag/AgCl ink has detrimental effect on Alcohol Oxidase enzyme stability. We performed an optical absorbance assay isolate interaction and discover surprisingly strong inhibition effect. The halftime enzymatic activity was reduced from nearly 1 week buffer 10 hours presence electrode. expect this discovery have broad implications biosensors use
منابع مشابه
Screen Printed Potentiometric Chloride Sensors
Potentiometric chloride sensors were fabricated by electrochemically chloridizing the surface of screen printed silver electrodes using amperostatic coulometry or asymmetric square wave voltammetry. In the case of coulometric chloridization, the effect of different chloride ion sources was also investigated. The response to chloride ions by each type of sensor was determined by measuring their ...
متن کاملArticleCarbon Black-Modified Electrodes Screen-Printed onto Paper Towel
Herein, we evaluated the use of paper towel, waxed paper, and Parafilm M® (Heathrow Scientific, Vernon Hills, IL, USA) as alternative substrates for screen-printed sensor manufacturing. Morphological study was performed to evaluate the adhesion of the ink on these uncommon substrates, as well as the morphology of the working electrode. The electrochemical characterization was carried out using ...
متن کاملFlexible transistor active matrix array with all screen-printed electrodes
Flexible transistor active matrix array is fabricated on PEN substrate using all screen-printed gate, source and drain electrodes. Parylene-C and DNTT act as gate dielectric layer and semiconductor, respectively. The transistor possesses high mobility (0.33 cm 2 V -1 s -1 ), large on/off ratio (> 10 6 ) and low leakage current (~10 pA). Active matrix array consists of 10×10 transistors were dem...
متن کاملScreen Printed Electrodes Used for Detection of Ionic Heavy Metals
Electrochemical sensors and biosensors based on inhibition are sensitive methods to determine the concentration of toxic substances in environment and clinic applications. Heavy metal cations bind to biological molecules and inactive important enzyme systems, such as acetylcholinesterase (AChE). In this paper, the amperometric sensors and biosensors based on AChE inhibition were developed using...
متن کاملNovel CeO₂-based screen-printed potentiometric electrodes for pH monitoring.
Nuclear waste repositories are being installed in deep excavated rock formations in some places in Europe to isolate and store radioactive waste. In France, the Callovo-Oxfordian formation (COx) is a possible candidate for nuclear waste storage. This work investigates the applicability of CeO(2)-based oxides (CeO(2), Ce(0.8)Sm(0.2)O(2) and Ce(0.8)Zr(0.2)O(2)) for monitoring the pH of the COx po...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: ECS sensors plus
سال: 2023
ISSN: ['2754-2726']
DOI: https://doi.org/10.1149/2754-2726/ace5a9