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Recent Advances in Aptamer Based Biosensors for Detection of Antibiotic Residues

Recent Advances in Aptamer Based Biosensors for Detection of Antibiotic Residues

Atul Sharma, Aruna Chandra Singh, Gautam Bacher, Sunil Bhand

Biosensor Lab, Department of Chemistry; 2Department of Electrical and Electronics Engineering, BITS, Pilani-K.K. Birla Goa Campus, Goa 403726, India.

[email protected]

Figure 1

Structures of common antibiotic residues found in food and environmental samples 

Figure 2

Block diagram for the principle of a biosensor 

Figure 3

Schematic of an electrochemical aptasensor for the detection of tetracycline using nanomaterial (Scheme illustration from Zhou et al., 2012) 

Figure 4

Schematic of an electrochemical aptasensor for the detection of tetracycline (Scheme illustration from Chen et al., 2014) 

Figure 5

Schematic representation of an aptamer displacement assay: A) Incubation; B) Sensing phase regeneration; C) Saturation of the sensing phase with the aptamer (Scheme illustration from González-Fernández et al., 2011) 

Pakistan Journal of Zoology

October

Pakistan J. Zool., Vol. 56, Iss. 5, pp. 2001-2500

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