biostudies-literatureUnknown16(2)Campoy-Ramirez JAThis study aims to develop an innovative electrochemical genosensor based on activated biochar (ABC) derived from the biomass of the seaweed <i>Sargassum spp</i>. The synthesis process begins with the pyrolysis of <i>Sargassum spp</i>. at 500 °C to obtain biochar (BC), which is chemically activated with nitric acid (HNO₃). The physicochemical properties of the resulting material, such as morphology and surface area, were characterized using techniques including scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), and the Brunauer-Emmett-Teller (BET) method for surface area. BET results showed an increase in surface area from 22.9367 ± 0.0879 m²/g (BC) to 159.2915 ± 2.2641 m²/g (ABC). For the development of the genosBiosensors115https://www.ebi.ac.uk/biostudies/studies/S-EPMC12937756biostudies-literatureEvaluation of Activated Biochar Derived from &lt;i&gt;Sargassum spp&lt;/i&gt;. as a Sustainable Substrate for the Development of Electrochemical DNA Biosensing.PMC12937756Garcia-Melo LFBatina NMorales-Gonzalez JAJimenez-Salazar JCetina-Corona ACampoy-Ramirez JAGarcia-Melo JATellez JGDamian-Matsumura PCastanon-Arreola MCarbajal-Lopez BSanchez-Chino XMMadrigal-Santillan EOfalseEvaluation of Activated Biochar Derived from &lt;i&gt;Sargassum spp&lt;/i&gt;. as a Sustainable Substrate for the Development of Electrochemical DNA Biosensing.This study aims to develop an innovative electrochemical genosensor based on activated biochar (ABC) derived from the biomass of the seaweed <i>Sargassum spp</i>. The synthesis process begins with the pyrolysis of <i>Sargassum spp</i>. at 500 °C to obtain biochar (BC), which is chemically activated with nitric acid (HNO₃). The physicochemical properties of the resulting material, such as morphology and surface area, were characterized using techniques including scanning electron microscopy (SEM), X-ray diffraction (XRD), thermogravimetric analysis (TGA), and the Brunauer-Emmett-Teller (BET) method for surface area. BET results showed an increase in surface area from 22.9367 ± 0.0879 m²/g (BC) to 159.2915 ± 2.2641 m²/g (ABC). For the development of the genos2026-01-01T00:00:00Z2026 Feb2026-07-12T03:10:18.37Z2026-07-12T03:06:54.917ZS-EPMC129377564174473310.3390/bios16020115