Gopal Siva Kumar

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—Wireless sensor and actor networks (WSANs) refer to a group of sensors and actors linked by wireless medium to perform distributed sensing and actuation tasks. In such a network, sensors gather information about physical world, whereas actor takes decisions and perform appropriate actions upon the surroundings, that allows remote and machine-controlled(More)
An ad hoc network is a wireless and infrastructure less network. It has dynamic and impermanent network topology. Each of nodes contains limited power in ad hoc networks. Power constraint is a major challenge to ad hoc networks. Limited power of nodes breaks link of the networks and reduces life of the networks. This proposed method minimizes the problem of(More)
BACKGROUND Syndecan-1 is abundant in normal tissues and reduced in squamous cell carcinomas. Leukoplakia and oral submucous fibrosis (OSF) are oral pre-cancerous disorders that have potential for malignant transformation. The aim of this study was to evaluate the expression of syndecan-1 in leukoplakia and OSF and to identify its role as a reliable marker(More)
Odontogenic cysts and tumors are distinct entities and quite a common occurrence in the jaw bones. The lining of odontogenic cysts shows a potential for neoplastic transformation to non odontogenic malignancies like squamous cell carcinoma and mucoepidermoid carcinoma, and odontogenic tumors like ameloblastoma and adenoamatoid odontogenic tumor (AOT). AOT(More)
Vascular neoplasms, other than benign are characterized as intermediate or malignant. They are often enshrouded in controversy, because the same neoplasm could show variability in biologic behavior that may not be correlated with microscopic features. The intermediate grade vascular neoplasm is named as epithelioid hemangioendothelioma (EHE). Epithelioid(More)
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