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Title: Standardization of blood smears prepared in transparent acetate : an alternative method for the microscopic diagnosis of malaria
Authors: Mello, Marcia B. C.
Luz, Francisco C.
Santos, Fábio Alexandre Leal dos
Alves Junior, Eduardo Rodrigues
Gasquez, Thamires M.
Fontes, Cor Jésus Fernandes
Assunto:: Microscopia
Diagnóstico
Malária
Issue Date: 17-Jun-2014
Publisher: BioMed Central
Citation: MELLO, Marcia B. C. et al. Standardization of blood smears prepared in transparent acetate: an alternative method for the microscopic diagnosis of malaria. Malaria Journal, v. 13, Article 238, 17 jun. 2014. Disponível em: <https://malariajournal.biomedcentral.com/articles/10.1186/1475-2875-13-238>. Acesso em: 26 jun. 2017. doi: https://malariajournal.biomedcentral.com/articles/10.1186/1475-2875-13-238.
Abstract: Background: Due to students’ initial inexperience, slides are frequently broken and blood smears are damaged in microscopy training, leading to the need for their constant replacement. To minimize this problem a method of preparing blood smears on transparent acetate sheets was developed with the goal of implementing appropriate and more readily available teaching resources for the microscopic diagnosis of malaria. Methods: Acetate sheets derived from polyester were used to standardize the preparation and staining of thin and thick blood smears on transparent acetate sheets. Thick and thin blood smears were also prepared using the conventional method on glass slides. The staining was conducted using Giemsa staining for the thick and thin smears. Results: Microscopic examination (1,000x) of the thin and thick blood smears prepared on transparent acetate produced high-quality images for both the parasites and the blood cells. The smears showed up on a clear background and with minimal dye precipitation. It was possible to clearly identify the main morphological characteristics of Plasmodium, neutrophils and platelets. After 12 months of storage, there was no change in image quality or evidence of fungal colonization. Conclusion: Preparation of thin and thick blood smears in transparent acetate for the microscopic diagnosis of malaria does not compromise the morphological and staining characteristics of the parasites or blood cells. It is reasonable to predict the applicability of transparent acetate in relevant situations such as the training of qualified professionals for the microscopic diagnosis of malaria and the preparation of positive specimens for competency assessment (quality control) of professionals and services involved in the diagnosis of malaria.
Licença:: © 2014 Mello et al.; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
DOI: 10.1186/1475-2875-13-238
Appears in Collections:FMD - Artigos publicados em periódicos

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