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Profile Details
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★★★★★
☆☆☆☆☆
USD 10 /hr
Hire Dr. Dr. Karthik N.
India
USD 10 /hr

Freelance Drafting Research and Review manuscript, Statistician & Data Analyst | Expert in R

Profile Summary
Subject Matter Expertise
Services
Writing Clinical Trial Documentation, Medical Writing, Technical Writing, Copywriting, Creative Writing
Work Experience

Senior Research Fellow

University of Agricultural Sciences

February 2020 - Present

PostDocotal Research Associate

Eawag

June 2019 - September 2019

Junior Research Fellow

University of Agricultural Sciences

June 2018 - April 2019

Education

PhD

University of Madras

October 2012 - December 2019

Certifications
  • Certification details not provided.
Publications
JOURNAL ARTICLE
Karthik Sankar Narayan, Christoph Vorburger, Nina Hafer‐Hahmann (2022). Bottom‐up effect of host protective symbionts on parasitoid diversity: Limited evidence from two field experiments . Journal of Animal Ecology.
Siddulakshmi Prasanna and M. K. Prasannakumar and H. B. Mahesh and Gopal Venkatesh Babu and P. Kirnaymayee and M. E. Puneeth and Karthik S. Narayan and D. Pramesh(2021). Diversity and biopotential of Bacillus velezensis strains A6 and P42 against rice blast and bacterial blight of pomegranate . Archives of Microbiology. Springer Science and Business Media {LLC}
M. K. Prasannakumar and Buela P. Parivallal and Chennappa Manjunatha and Devanna Pramesh and Karthik S. Narayan and Gopal Venkatesh and Sahana N. Banakar and H. B. Mahesh and Ramu S. Vemanna and K. T. Rangaswamy(2021). Rapid genotyping of bacterial leaf blight resistant genes of rice using loop-mediated isothermal amplification assay . Molecular Biology Reports. 48. (1). p. 467--474. Springer Science and Business Media {LLC}
Prasannakumar, MK and Mahesh, HB and Desai, Radhika U and Kunduru, Bharath and Narayan, Karthik S and Teli, Kalavati and Puneeth, ME and Rajadurai, RC and Parivallal, Buella and Babu, Gopal Venkatesh(2020). Metagenome sequencing of fingermillet-associated microbial consortia provides insights into structural and functional diversity of endophytes. 3 Biotech. 10. (1). p. 15. Springer
Prasannakumar, MK and Parivallal, P Buela and Manjunatha, C and Mahesh, HB and Pramesh, D and Narayan, Karthik S and Gopal, Venkatesh Babu and Priyanka, K and Puneeth, ME and Rangaswamy, KT(2020). Loop-mediated isothermal amplification assay for pre-symptomatic stage detection of Xanthomonas axonopodis pv. punicae infection in pomegranate (vol 15, pg 631, 2020). AUSTRALASIAN PLANT PATHOLOGY. 49. (4). p. 475--476. SPRINGER VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
Sakthivel Muthu and Victor Raju and Venkatesh Babu Gopal and Amsaveni Gunasekaran and Karthik S. Narayan and Sathuvan Malairaj and Mythileeswari Lakshmikanthan and Nallusamy Duraisamy and Kathiravan Krishnan and Palani Perumal(2019). A rapid synthesis and antibacterial property of selenium nanoparticles using egg white lysozyme as a stabilizing agent . SN Applied Sciences. 1. (12). Springer Science and Business Media {LLC}
Sankar Narayan Karthik, Esack Edwin Raj, Muthu Sakthivel, Gopal Venkatesh Babu, Malairaj Sadhuvan, M. K. Prasanna Kumar, Krishnan Kathiravan \& Perumal Palani(2019). Germinating potential of Phyllanthus amarus seeds: evaluation of biochemical parameters. Springer Nature Journal of Applied Sciences. 1582. (1). Springer
Babu, Gopal Venkatesh and Perumal, Palani and Muthu, Sakthivel and Pichai, Sridhar and Narayan, Karthik Sankar and Malairaj, Sathuvan(2018). Enhanced method for High Spatial Resolution surface imaging and analysis of fungal spores using Scanning Electron Microscopy. Scientific reports. 8. (1). p. 1--10. Nature Publishing Group
Sankar Narayan, Karthik and Esack, Edwin Raj and Radhapriya, Parthasarathy and Gopal, Venkatesh Babu and Muthu, Sakthivel and Perumal, Palani(2018). Impact of geography on adaptation of Phyllanthus amarus seeds. 3 Biotech. Springer Berlin Heidelberg
Shajahan, A and Shankar, S and Sathiyaseelan, A and Narayan, Karthik S and Narayanan, V and Kaviyarasan, V and Ignacimuthu, S(2017). Comparative studies of chitosan and its nanoparticles for the adsorption efficiency of various dyes. International journal of biological macromolecules. 104. p. 1449--1458. Elsevier
Muthu, Sakthivel and Gopal, Venkatesh Babu and Soundararajan, Selvakumar and Nattarayan, Karthikeyan and Narayan, Karthik S and Lakshmikanthan, Mythileeswari and Malairaj, Sathuvan and Perumal, Palani(2017). Antibacterial serine protease from Wrightia tinctoria: Purification and characterization. Plant Physiology and Biochemistry. 112. p. 161--172. Elsevier
Shenbhagaraman, R and Premalatha, MK and Jenefar, S and Jagadish, LK and Saravanamurali, K and Kaveri, K and Karthik, SN and Kaviyarasan, V(2014). Immunopotentiating properties of extracellular polysaccharide from Trametes hirsuta strain VKESR. Carbohydrate polymers. 106. p. 299--304. Elsevier
Shajahan, A and Shankar, S and Sathiyaseelan, A and Karthik, S(2001). COMPARATIVE STUDIES OF CHITOSAN AND ITS. Bioresour. Technol. 77. p. 247--255.
Narayan, Karthik SIsolation Purification And Characterization Of Phyllanthin From Phyllanthus Amarus And Evaluation Of Its Antiviral Activity Against Tospovirus Infection In Vigna Unguiculata. Chennai