ATR-FTIR Spectroscopic Analysis of Novel Fixatives and Their Histological Properties on Sheep Heart

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Hitit Medical Journal
Volume:6 Issue:2
ATR-FTIR Spectroscopic Analysis of Novel Fixatives and Their Histological Properties on Sheep Heart

ATR-FTIR Spectroscopic Analysis of Novel Fixatives and Their Histological Properties on Sheep Heart

Authors : Fikri Özdemir, Sevil Özkınalı, Emine Nazlı Hayırlı Özyol

Pages : 98-107

Doi:10.52827/hititmedj.1370056

View : 97 | Download : 87

Publication Date : 2024-06-30

Article Type : Research Paper

Abstract :Objective: In this study, new fixative solutions that are odorless and non-toxic were tested on the hearts of sheep to preserve the cellular structure and tissue architecture in a life-like manner. Material and Method: The changes of new fixatives before and after contact with tissue were detected for the first time by the ATR-FTIR spectroscopic method. After a preliminary inspection, hearts were fixed with six different solutions. It was periodically evaluated for weight, size, color, and hardness. Samples taken from the left ventricle of each heart stained with Hematoxylin eosin and examined histologically. Results: As a result of the measurements of heart weights, reduction in Solution 1 (Standard Formaldehyde Fixative), Solution 4, and Solution 5 were detected at 5.64%, 23.70%, and 14.38%, respectively. In Solution 4 and Solution 5, it was observed that the integrity of the myocardium was protected in terms of morphology, the stiffness was suited for sectioning and the coronary vessels were preserved better than Solution 1. Further, compared to solution 1, it was determined that the endocardium and myocardium layers were well preserved in the tissues fixed in Solution 4 and Solution 5. Typical cross striation appearance in cardiac muscle tissue existed in all three Solution 1, Solution 4, and Solution 5. Conclusion: Solution 4 and Solution 5 were found to have superior fixative properties than Solution 1 (Formaldehyde). As a result of ATR-FTIR studies, it was determined that formaldehyde was converted into toxic formic acid in Standard Solution 1, while very few harmless changes were detected in Solution 4 and Solution 5.
Keywords : Anatomi eğitimi, ATR FTIR spektroskopisi, fiksatif, organ koruma

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