Výsledky vyhledávání - "S. Ravi Kumar"

Akademický článek

A new sulphur containing heterocycles having azo linkage: Synthesis, structural characterization and biological evaluation

Autor: Mallikarjuna Niluvanji Matada, Keshavayya Jathi, Maliyappa M. Rangappa, Kiptoo Geoffry, S. Ravi Kumar, Ravi B. Nagarajappa, Fiza Noor Zahara

Publikováno v: Journal of King Saud University: Science, Vol 32, Iss 8, Pp 3313-3320 (2020)

The present study aims the development of new S-heterocyclic azo dyes synthesized from 1, 3-benzothiazole-2-thiol with various amines by diazo-coupling method and their structures are established by physico-chemical techniques. The target molecules w

Externí odkaz: https://doaj.org/article/90f34724c83d4a2ba28449526eb56365

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Akademický článek

Synthesis, characterization and biological investigations of potentially bioactive heterocyclic compounds containing 4-hydroxy coumarin

Autor: O. Nagaraja, Yadav D. Bodke, Itte Pushpavathi, S. Ravi Kumar

Publikováno v: Heliyon, Vol 6, Iss 6, Pp e04245- (2020)

In this paper, we have reported the synthesis of a series of heterocyclic azo dyes containing 4-hydroxy coumarin by diazo-coupling reaction. The structural aspect of the newly synthesized compounds was accomplished by various physico-chemical techniq

Externí odkaz: https://doaj.org/article/81c11912e83d4ca7bb32c49818bd35d1

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Akademický článek

Dengue virus pathogenesis and host molecular machineries

Autor: Saumya Sinha, Kinjal Singh, Y. S. Ravi Kumar, Riya Roy, Sushant Phadnis, Varsha Meena, Sankar Bhattacharyya, Bhupendra Verma

Publikováno v: Journal of Biomedical Science, Vol 31, Iss 1, Pp 1-24 (2024)

Abstract Dengue viruses (DENV) are positive-stranded RNA viruses belonging to the Flaviviridae family. DENV is the causative agent of dengue, the most rapidly spreading viral disease transmitted by mosquitoes. Each year, millions of people contract t

Externí odkaz: https://doaj.org/article/669605ffd7304557a67c5a4d0f74a2e6

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Akademický článek

Automatic Hierarchical Color Image Classification

Autor: Jing Huang, S. Ravi Kumar, Ramin Zabih

Publikováno v: EURASIP Journal on Advances in Signal Processing, Vol 2003, Iss 2, Pp 151-159 (2003)

Organizing images into semantic categories can be extremely useful for content-based image retrieval and image annotation. Grouping images into semantic classes is a difficult problem, however. Image classification attempts to solve this hard problem

Externí odkaz: https://doaj.org/article/1e06dec14b7d45688ba2ebd440d99556

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Akademický článek

Review on the mechanism and mitigation of cracks in concrete

Autor: S, Asvitha Valli, S, Ravi Kumar M

Publikováno v: In Applications in Engineering Science December 2023 16

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Akademický článek

Effects of habit-breaking appliances on tongue movements during deglutition in children with tongue thrust swallowing using ultrasonography – A pilot study

Autor: Mihir Nayak, Sandya Devi S Patil, Madhu Kakanur, Snehalika A More, S Ravi Kumar, Rachna Thakur

Publikováno v: Contemporary Clinical Dentistry, Vol 11, Iss 4, Pp 350-355 (2020)

Objective: The aim of this study is to evaluate and compare the duration and range of tongue movements in tongue thrust swallow patterns with and without habit-breaking appliances using computer-aided M-mode ultrasound images. Also to record the corr

Externí odkaz: https://doaj.org/article/c97b431201dc4edda933cc2add8ea1cb

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