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Mitochondrial hexokinase (mt-HK) and creatine kinase (mt-CK) activities have been recently proposed to reduce the rate of mitochondrial ROS generation through an ADP re-cycling mechanism. Here, we determined the role of mt-HK and mt-CK activities in regulate mitochondrial ROS generation in rat brain, kidney, heart and liver, relating them to the levels of classical antioxidant enzymes. The activities...
Malignant breast tumors typically appear in mammograms with rough, spiculated, or microlobulated contours, whereas most benign masses have smooth, round, oval, or macrolobulated contours. Several studies have shown that shape factors that incorporate differences as above can provide high accuracies in distinguishing between malignant tumors and benign masses based upon their contours only. However,...
Several types of signatures have been defined to facilitate the analysis of contours of objects. The turning angle function of a given contour may be used as a signature to analyze the contour. We propose a method to use the turning angle function to derive a polygonal model of the given contour in such a manner as to preserve the important details in the contour. We demonstrate the usefulness of...
Malignant breast tumors typically appear in mammograms with rough, spiculated, or microlobulated contours, whereas most benign masses have smooth, round, oval, or macrolobulated contours. Several studies have shown that shape factors that incorporate differences as above can provide high accuracies in distinguishing between malignant tumors and benign masses based upon their contours only. However,...
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