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DNA biosensor as a confirmatory test: Studies of household cleaners effects of onto electrochemical DNA detection Oliveira N.C.L. , Campos-Ferreira D.S. , Nascimento G.A. , Zanforlin D.M.L. , Bezerra W.S.R. , Santos S.M. , Lima-Filho J.L. Forensic Science International: Genetics Supplement Series Volume 5, Pages e162-e164 (December 2015) DOI: /j.fsigss Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
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Forensic Science International: Genetics Supplement Series 2015 5, e162-e164DOI: ( /j.fsigss ) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
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Fig. 1 Electrochemical signals obtained from differential pulse voltammetry (DPV) based on guanine oxidation on probe-modified PGE before and after hybridization with complementary sequence. Conditions: scan rate: 20mV/s, scanning potential range: +0.5V to +1.2V. Forensic Science International: Genetics Supplement Series 2015 5, e162-e164DOI: ( /j.fsigss ) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
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Fig. 2 (A) Differential pulse voltammograms for guanine oxidation in different situations, regarding on (a) probe-modified PGE, (b) probe-modified PGE with complementary sequence, (c) probe-modified PGE with complementary sequence mixed with ultrapure water (blank solution), (d) alcohol, (e) SDS and (f) sodium hypochlorite solution. (B) Zoom in current peak region of 0–40nA, exhibiting a clear distinction among probe-modified PGE with complementary sequence (a) mixed with blank solution (b) and sodium hypochlorite solution (c). Conditions: scan rate: 20mV/s, scanning potential range: +0.5V to +1.2V. Forensic Science International: Genetics Supplement Series 2015 5, e162-e164DOI: ( /j.fsigss ) Copyright © 2015 Elsevier Ireland Ltd Terms and Conditions
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