Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12779/7344
Title: Determination of Copper by AAS in Tear Fluid of Patients with Keratoconus
Authors: Corbini, Gianfranco 
Dreassi, Elena 
Chiasserini, Luisa 
Girolamo, Matteo Maria
Mellace, Pierfrancesco
Issue Date: 2021
Project: None 
Journal: ANALYTICAL BIOCHEMISTRY
Abstract: 
Keratoconus (KC) is the most common degenerative corneal disease and no single biomarker for KC has been discovered. Its causes have not yet been clarified and this work aims to be a contribution to the deepening of the knowledge of this disease and a preliminary data to the evaluation of the possibility of the use of copper (Cu) concentration in the tear fluid as a specific marker. A tear fluid sampling and Cu determination by spectrometric atomic absorption method was optimized to determine Cu levels in the tear fluid of patients with KC compared to that of healthy patients. Results demonstrate that in the KC subjects (n=6) the concentration of Cu ions was 325.5 ± 110.7 ng/ml, while in the control group was 141.3 ± 71.1 ng/ml. A significant increase in Cu ion levels in the tear fluid was observed in the KC group compared to the control group (p value < 0.001).
Description: 
240998
URI: http://hdl.handle.net/20.500.12779/7344
ISSN: 0003-2697
DOI: 10.1016/j.ab.2021.114174
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