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  1. No Access

    Article

    Exsolution intergrowth of cpx-opx and pseudosection modelling of two-pyroxene mafic granulite from Daltonganj of Chhotanagpur Granite Gneiss Complex, Eastern India

    In this study, we reconstruct for the first time the evolution of a two-pyroxene mafic granulite from the Daltonganj of Chhotanagpur Granite Gneiss Complex (CGGC). Transmission electron microscopy (TEM) reveal...

    Ravi Ranjan Kumar, Shyam Bihari Dwivedi in Arabian Journal of Geosciences (2021)

  2. No Access

    Article

    Laparoscopic Removal of a Large Gastric Trichobezoar: a Novel Technique

    A trichobezoar is a ball of swallowed hair that collects in the stomach and fails to pass through the intestine. A 23-year-old woman presented with lump abdomen and vomiting, and endoscopy confirmed a giant tr...

    Satya Prakash Meena, Ramkaran Chaudhary, Chhanwar Lal in Indian Journal of Surgery (2021)

  3. No Access

    Article

    Evaluation of 99mTc-labeled glutathione as a colon cancer targeting probe

    The present study was designed to unravel the bioevaluation of [99mTc]Tc-GSH in HT 29 colon cancer cell line as well as in experimentally induced colon cancer. The radiochemical yield was observed to be 95.93 ± 1...

    Sumeera Sidiq, Ravi Ranjan Kumar in Journal of Radioanalytical and Nuclear Che… (2021)

  4. No Access

    Chapter and Conference Paper

    An Energy-Efficient LEACH Routing Protocol for Wireless Sensor Networks

    Sensor network is one of the leading exploration fields recently that may be used in almost every field. The outdated LEACH routing protocol is still reflected for the various research field, but in this paper...

    Rahul Priyadarshi, Ravi Ranjan Kumar in Proceedings of the Fourth International Co… (2021)

  5. No Access

    Chapter

    Dynamic Sensitivity Analysis of Random Impact Behaviour of Hybrid Cylindrical Shells

    The present chapter investigates the moment-independent sensitivity analysis for hybrid sandwich structures (having cylindrical shell geometry) subjected to low-velocity impact. These hybrid structures are ext...

    Vaishali, Ravi Ranjan Kumar, Sudip Dey in Recent Advances in Layered Materials and S… (2021)

  6. No Access

    Chapter

    Surrogate Model Validation and Verification for Random Failure Analyses of Composites

    In the present chapter, multivariate adaptive regression splines (MARS) is explored as a surrogate model in conjunction to Monte Carlo simulation (MCS) to analyse the random first-ply failure loads of graphite...

    Subrata Kushari, Arunasis Chakraborty in Recent Advances in Layered Materials and S… (2021)

  7. No Access

    Chapter

    Application of Microbial Technology for Waste Removal

    The continuous rise of waste in the environment becomes a global burden as it decreases the natural balance of waste recycle. It has further accelerated due to quality and amount of waste added in the environm...

    Ravi Ranjan Kumar, Chitra Bhattacharya in Microbial Technology for Sustainable Envir… (2021)

  8. Article

    Open Access

    Inhibition of potato leafroll virus multiplication and systemic translocation by siRNA constructs against putative ATPase fold of movement protein

    Viruses cause many severe plant diseases, resulting in immense losses of crop yield worldwide. Therefore, develo** novel approaches to control plant viruses is crucial to meet the demands of a growing world ...

    Priyanka Kumari, Jitesh Kumar, Ravi Ranjan Kumar, Mohammad Ansar in Scientific Reports (2020)

  9. Article

    Open Access

    First report on molecular basis of potato leaf roll virus (PLRV) aggravation by combined effect of tuber and prevailing aphid

    The Potato Leaf Roll Virus (PLRV) is one of the most devastating virus causing severe yield losses worldwide in potato. The comprehensive observations were made to study the PLRV infestation in major potato growi...

    Ravi Ranjan Kumar, Mohammad Ansar, Kumari Rajani, Jitesh Kumar in BMC Research Notes (2020)

  10. No Access

    Article

    Simulation and Experimental Validation of EBW Studies in Austenitic Stainless Steel AISI-321

    Electron beam welding of austenitic stainless steel AISI-321 has been studied with butt weld configuration. The numerical simulation is done in both thermal and structural analysis modes using ANSYS™ software ...

    A. P. Anupamadev, V. Anil Kumar, R. K. Gupta in Transactions of the Indian National Academ… (2020)

  11. No Access

    Article

    Comparison of Prediction Models for the Hot Deformation Behavior of Cast Mg–Zn–Y Alloy

    Alloying magnesium with rare-earth elements is an efficient method to improve the high-temperature properties of magnesium. In this study, the hot deformation behavior of Mg–8Zn–4Y was studied for the temperat...

    N. Neethu, Nahil Ahmed Hassan in Transactions of the Indian Institute of Me… (2020)

  12. No Access

    Article

    High-Temperature Tensile Behavior of Cu-3Ag-0.5Zr Alloy in the Solution-Treated Condition

    In the present investigation, the high-temperature tensile behavior of Cu-3Ag-0.5Zr alloy in the solution-treated condition was evaluated in the temperature range of 27-700 °C using tensile testing, optical, s...

    S. Chenna Krishna, N. K. Karthick in Journal of Materials Engineering and Perfo… (2019)

  13. No Access

    Article

    Development and initial characterization of 99mTc labeled N-acetyl neuraminic acid for its application in in-vivo imaging of cancer: a preclinical study

    In the present study, N-acetyl neuraminic acid (Neu5Ac) was labeled with 99mTc and its bioevaluation was performed. Radiolabeling of Neu5Ac was obtained with a maximum labeling yield of 93.6% and was confirmed by...

    Ravi Ranjan Kumar, Devinder Kumar Dhawan in Journal of Radioanalytical and Nuclear Che… (2019)

  14. No Access

    Article

    EPMA monazite geochronology of the granulites from Daltonganj, eastern India and its correlation with the Rodinia supercontinent

    We report the monazite dates of the granulites from Daltonganj (Palamau), Chhotanagpur granite–gneiss complex (CGGC) which covers the significant part of the granulite blocks in central India by using an elect...

    Ravi Ranjan Kumar, S B Dwivedi in Journal of Earth System Science (2019)

  15. No Access

    Article

    Processing and Characterization of Yttria-Dispersed INCONEL 718 ODS Alloy

    Oxide dispersion strengthening is an effective method to improve the high-temperature mechanical properties of the alloys in which various reinforcements are added in the alloy matrix by mechanical milling and...

    M. S. Dhanya, A. K. Shukla, S. Dineshraj in Transactions of the Indian Institute of Me… (2019)

  16. No Access

    Article

    Multistage gedrite in gedrite–hypersthene-bearing high-grade granulites from Daltonganj, Chhotanagpur granite–gneissic complex, Jharkhand, as evident from TEM and textural relations

    The studied rock consists of mineral phases garnet–cordierite–gedrite–hypersthene–biotite–quartz and lies nearly 14 km southwest of Daltonganj in the western part of Chhotanagpur granite–gneissic complex. Text...

    S B Dwivedi, Ravi Ranjan Kumar, Manish Srivastava in Journal of Earth System Science (2019)

  17. No Access

    Chapter

    Assessing Fungal Biodiversity Using Molecular Markers

    With an advent of modern molecular markers technology, it has become easier for the rapid identification, characterization and detection of important plant fungus that were previously a major bottleneck to det...

    Md. Shamim, Pankaj Kumar, Ravi Ranjan Kumar, Mahesh Kumar in Molecular Markers in Mycology (2017)

  18. Article

    Open Access

    Identification of QTLs and possible candidate genes conferring sheath blight resistance in rice (Oryza sativa L.)

    Sheath blight, caused by the pathogenic fungus Rhizoctonia solani Kühn, is one of the most devastating diseases in rice. Breeders have always faced challenges in acquiring reliable and absolute resistance to this...

    Shailesh Yadav, Ghanta Anuradha, Ravi Ranjan Kumar in SpringerPlus (2015)

  19. No Access

    Article

    Cell cycle stage specific application of municipal landfill leachates to assess the genotoxicity in root meristem cells of barley (Hordeum vulgare)

    Municipal solid wastes (MSW) are unavoidable sources of environmental pollution. Improper disposal of municipal waste results in the leaching of toxic metals and organic chemicals, which can contaminate the su...

    Anjil Kumar Srivastava, Ravi Ranjan Kumar in Environmental Science and Pollution Resear… (2014)

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