Biosensors: Lactate Biosensors in Food and Health Field
Abstract
Biosensors are devices that determine the concentration of the target analyte by means of a signal obtained in proportion to the specificity and the concentration of the bioreceptor. They are a powerful alternative to traditional analytical methods due to the fact that they are fast, precise, reliable, portable and economical devices.
Lactate (lactic acid), a key metabolite of the anaerobic metabolism pathway, is an important indicator for lots of reactions, including the health of organisms and some food processes. Lactate which is naturally produced by lactic acid bacteria is found in fermented food products and many other foods and beverages. Thus; lactate level in the food industry is used to determine freshness, stability and quality characteristics of the products. In another aspect, lactate production under anaerobic conditions is a sign of fatigue and hydration. Serial determination of blood lactate levels, is a good predictor to follow the multiple system organ failure and death in septic shock patients.
Today, electrochemical-biosensors are used commonly because of their features such as low cost, easy usage, perfect sensitivity and high selectivity to detect lactate levels. In the literature, most of lactate biosensors are enzymatic amperometric biosensors. Besides the approximately fifteen commercial biosensors, there are a great number of biosensors examined in laboratory conditions. While the studies focused on the development of new biosensors in lab-scale, it is a necessity to gain them as commercial usage.
Keywords
References
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Details
Primary Language
English
Subjects
-
Journal Section
Review
Authors
Özüm Özoğlu
ANKARA ÜNİVERSİTESİ, BİYOTEKNOLOJİ ENSTİTÜSÜ
Türkiye
Mehmet Altay Ünal
ANKARA ÜNİVERSİTESİ, MÜHENDİSLİK FAKÜLTESİ, FİZİK MÜHENDİSLİĞİ BÖLÜMÜ
Türkiye
Evrim Güneş Altuntaş
ANKARA ÜNİVERSİTESİ, BİYOTEKNOLOJİ ENSTİTÜSÜ
Türkiye
Publication Date
December 30, 2017
Submission Date
August 7, 2017
Acceptance Date
November 27, 2017
Published in Issue
Year 1970 Volume: 2 Number: 2