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Kaory Barrientos
GIBEC Research Group, Life Sciences Faculty, Universidad EIA, Calle 25 Sur #42-73, Medellín 055420, Colombia

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Short Biography

Kaory Barrientos is a Biomedical Engineer at EIA University and M.Sc in Biotechnology from the National University of Colombia, and she is serving as Researcher in the GIBEC research group at EIA University in Colombia. She has experience in developing and researching novel techniques that improve the detection of biomarkers in human health, especially in biosensors and its validation with standard techniques. She has participated in projects related with the development of piezoelectric, optical and phononic biosensors for the detection of proteins and genetics biomarkers. She is a lecturer at EIA University in Colombia and she has directed undergraduate and master’s degree work.

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Journal article
Published: 24 June 2021 in Processes
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Biochar-derived C-Dots from Picea, Molinia caerulea and Elaeis guineensis were synthesized through a hydrothermal process, and their physicochemical and optical characteristics and environmental effects were compared. These C-Dots were characterized by techniques such as Attenuated Total Reflection–Fourier Transform Infrared (ATR-FTIR), UV-Vis spectrophotometry, fluorescence spectroscopy, dynamic light scattering (DLS), Z potential, and High-Resolution Transmission Electronical Microscopy (HR-TEM). The ecotoxicity tests were performed using the Microtox™ test, making this study one of the few that use this method. The C-Dots from Molinia caerulea showed the best quantum yield (QY) of 8.39% and moderate ecotoxicity, while Elaeis guineensis has the lowest QY (2.31%) but with zero toxicity. Furthermore, the C-Dots from Picea presents good optical properties but showed high toxicity and limits its use. Finally, all C-Dots showed functional groups that could be biofunctionalized with biomolecules, especially C-Dots from Molinia caerulea and Elaeis guineensis show potential for use in the development of optical biosensors.

ACS Style

Kaory Barrientos; Maria Gaviria; Juan Arango; Jersson Placido; Sandra Bustamante; Martha Londoño; Marisol Jaramillo. Synthesis, Characterization and Ecotoxicity Evaluation of Biochar-Derived Carbon Dots from Spruce Tree, Purple Moor-Grass and African Oil Palm. Processes 2021, 9, 1095 .

AMA Style

Kaory Barrientos, Maria Gaviria, Juan Arango, Jersson Placido, Sandra Bustamante, Martha Londoño, Marisol Jaramillo. Synthesis, Characterization and Ecotoxicity Evaluation of Biochar-Derived Carbon Dots from Spruce Tree, Purple Moor-Grass and African Oil Palm. Processes. 2021; 9 (7):1095.

Chicago/Turabian Style

Kaory Barrientos; Maria Gaviria; Juan Arango; Jersson Placido; Sandra Bustamante; Martha Londoño; Marisol Jaramillo. 2021. "Synthesis, Characterization and Ecotoxicity Evaluation of Biochar-Derived Carbon Dots from Spruce Tree, Purple Moor-Grass and African Oil Palm." Processes 9, no. 7: 1095.