Recent Advances in Electrochemical Sensors for Caffeine Determination

The determination of target analytes at very low concentrations is important for various fields such as the pharmaceutical industry, environmental protection, and the food industry. Caffeine, as a natural alkaloid, is widely consumed in various beverages and medicines. Apart from the beneficial effe...

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Published inSensors (Basel, Switzerland) Vol. 22; no. 23; p. 9185
Main Authors Tasić, Žaklina Z, Petrović Mihajlović, Marija B, Simonović, Ana T, Radovanović, Milan B, Antonijević, Milan M
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 25.11.2022
MDPI
Subjects
Beverages
Beverages - analysis
Caffeine
Caffeine - analysis
Carbon
Chemical sensors
differential pulse voltammetry
electrochemical sensor
Electrochemical Techniques - methods
Electrodes
Environmental protection
Graphene
Low concentrations
Measuring instruments
modifiers
Nanomaterials
Nanoparticles
Pharmaceuticals
real samples
Redox reactions
Review
Sensors
Surfactants
Israel
caffeine
real samples
differential pulse voltammetry
electrochemical sensor
modifiers
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Summary:The determination of target analytes at very low concentrations is important for various fields such as the pharmaceutical industry, environmental protection, and the food industry. Caffeine, as a natural alkaloid, is widely consumed in various beverages and medicines. Apart from the beneficial effects for which it is used, caffeine also has negative effects, and for these reasons it is very important to determine its concentration in different mediums. Among numerous analytical techniques, electrochemical methods with appropriate sensors occupy a special place since they are efficient, fast, and entail relatively easy preparation and measurements. Electrochemical sensors based on carbon materials are very common in this type of research because they are cost-effective, have a wide potential range, and possess relative electrochemical inertness and electrocatalytic activity in various redox reactions. Additionally, these types of sensors could be modified to improve their analytical performances. The data available in the literature on the development and modification of electrochemical sensors for the determination of caffeine are summarized and discussed in this review.
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ISSN:1424-8220
1424-8220
DOI:10.3390/s22239185