Rojan P. John

5.8k total citations · 2 hit papers
30 papers, 4.4k citations indexed

About

Rojan P. John is a scholar working on Biotechnology, Biomedical Engineering and Molecular Biology. According to data from OpenAlex, Rojan P. John has authored 30 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 16 papers in Biotechnology, 12 papers in Biomedical Engineering and 11 papers in Molecular Biology. Recurrent topics in Rojan P. John's work include Enzyme Production and Characterization (14 papers), Biofuel production and bioconversion (11 papers) and Legume Nitrogen Fixing Symbiosis (6 papers). Rojan P. John is often cited by papers focused on Enzyme Production and Characterization (14 papers), Biofuel production and bioconversion (11 papers) and Legume Nitrogen Fixing Symbiosis (6 papers). Rojan P. John collaborates with scholars based in India, Canada and United States. Rojan P. John's co-authors include K. Madhavan Nampoothiri, Nimisha R. Nair, Ashok Pandey, G.S. Anisha, Satinder Kaur Brar, Rao Y. Surampalli, R.D. Tyagi, Danielle Prévost, R. D. Tyagi and D. Prévost and has published in prestigious journals such as Bioresource Technology, Food Chemistry and Applied Microbiology and Biotechnology.

In The Last Decade

Rojan P. John

30 papers receiving 4.2k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

An overview of the recent developments in polylactide (PLA) research

2010 1.9k citations K. Madhavan Nampoothiri, Nimisha R. Nair et al. Bioresource Technology profile →
Micro and macroalgal biomass: A renewable source for bioethanol

2010 750 citations Rojan P. John, G.S. Anisha et al. Bioresource Technology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Rojan P. John India	17	2.0k	1.8k	1.2k	580	526	30	4.4k
Tatiana G. Volova Russia	39	3.2k 1.6×	1.5k 0.8×	672 0.6×	254 0.4×	1.5k 2.9×	207	4.7k
Amirul Al‐Ashraf Abdullah Malaysia	31	1.8k 0.9×	825 0.5×	589 0.5×	370 0.6×	688 1.3×	173	3.4k
Caixia Wan United States	47	893 0.5×	4.2k 2.4×	1.3k 1.1×	517 0.9×	221 0.4×	127	6.8k
Mohammad Zuber Pakistan	43	2.7k 1.4×	1.4k 0.8×	464 0.4×	2.1k 3.7×	387 0.7×	120	6.5k
Carla Vilela Portugal	40	2.9k 1.4×	1.6k 0.9×	403 0.3×	743 1.3×	231 0.4×	104	5.1k
Nick Wierckx Germany	40	1.1k 0.6×	2.3k 1.3×	2.8k 2.4×	230 0.4×	1.2k 2.3×	101	5.2k
Alessandro Pellis Austria	34	2.2k 1.1×	1.2k 0.7×	911 0.8×	378 0.7×	989 1.9×	124	3.6k
Tajalli Keshavarz United Kingdom	32	1.7k 0.8×	966 0.5×	1.3k 1.1×	133 0.2×	771 1.5×	122	4.1k
Mary J. Biddy United States	33	807 0.4×	5.3k 3.0×	1.1k 0.9×	396 0.7×	289 0.5×	46	6.7k
Ivana Márová Czechia	32	1.3k 0.7×	736 0.4×	927 0.8×	89 0.2×	771 1.5×	110	3.1k

Countries citing papers authored by Rojan P. John

Since Specialization

Citations

This map shows the geographic impact of Rojan P. John's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Rojan P. John with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Rojan P. John more than expected).

Fields of papers citing papers by Rojan P. John

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Rojan P. John. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Rojan P. John. The network helps show where Rojan P. John may publish in the future.

Co-authorship network of co-authors of Rojan P. John

This figure shows the co-authorship network connecting the top 25 collaborators of Rojan P. John. A scholar is included among the top collaborators of Rojan P. John based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Rojan P. John. Rojan P. John is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Anisha, G.S. & Rojan P. John. (2013). Microalgae as an alternative feed stock for green biofuel technology.. 1 indexed citations

More, Tanaji T., et al.. (2012). Biochemical diversity of the bacterial strains and their biopolymer producing capabilities in wastewater sludge. Bioresource Technology. 121. 304–311. 39 indexed citations

Rouissi, Tarek, R.D. Tyagi, Satinder Kaur Brar, et al.. (2011). Efficient and simple method for determination of suspendibility of bio-inoculant suspensions. Bioresource Technology. 102(22). 10754–10758. 3 indexed citations

John, Rojan P. & G.S. Anisha. (2011). Macroalgae and their potential for biofuel.. CABI Reviews. 1–15. 16 indexed citations

Bezawada, Jyothi, S. Yan, Rojan P. John, R.D. Tyagi, & Rao Y. Surampalli. (2011). Recovery of Bacillus licheniformis Alkaline Protease from Supernatant of Fermented Wastewater Sludge Using Ultrafiltration and Its Characterization. PubMed. 2011. 1–11. 15 indexed citations

Rouissi, Tarek, Rojan P. John, Satinder Kaur Brar, R.D. Tyagi, & Danielle Prévost. (2010). ORIGINAL RESEARCH: Centrifugal recovery of rhizobial cells from fermented starch industry wastewater & development of stable formulation. Industrial Biotechnology. 6(1). 41–49. 8 indexed citations

John, Rojan P., G.S. Anisha, Ashok Pandey, & K. Madhavan Nampoothiri. (2010). REVIEW: Genome shuffling: A new trend in improved bacterial production of lactic acid. Industrial Biotechnology. 6(3). 164–169. 6 indexed citations

John, Rojan P., G.S. Anisha, K. Madhavan Nampoothiri, & Ashok Pandey. (2010). Micro and macroalgal biomass: A renewable source for bioethanol. Bioresource Technology. 102(1). 186–193. 750 indexed citations breakdown →

John, Rojan P., R. D. Tyagi, Satinder Kaur Brar, Rao Y. Surampalli, & Danielle Prévost. (2010). Bio-encapsulation of microbial cells for targeted agricultural delivery. Critical Reviews in Biotechnology. 31(3). 211–226. 190 indexed citations

10.

Nampoothiri, K. Madhavan, Nimisha R. Nair, & Rojan P. John. (2010). An overview of the recent developments in polylactide (PLA) research. Bioresource Technology. 101(22). 8493–8501. 1915 indexed citations breakdown →

11.

John, Rojan P. & K. Madhavan Nampoothiri. (2010). Co-culturing of Lactobacillus paracasei subsp. paracasei with a Lactobacillus delbrueckii subsp. delbrueckii Mutant to Make High Cell Density for Increased Lactate Productivity from Cassava Bagasse Hydrolysate. Current Microbiology. 62(3). 790–794. 13 indexed citations

12.

John, Rojan P., G.S. Anisha, K. Madhavan Nampoothiri, & Ashok Pandey. (2008). Direct lactic acid fermentation: Focus on simultaneous saccharification and lactic acid production. Biotechnology Advances. 27(2). 145–152. 210 indexed citations

13.

Anisha, G.S., Rojan P. John, P. Prema, & Ashok Pandey. (2008). Investigation on α-Galactosidase Production by Streptomyces griseoloalbus in a Forcefully Aerated Packed-Bed Bioreactor Operating in Solid-State Fermentation Condition. Applied Biochemistry and Biotechnology. 160(2). 421–427. 5 indexed citations

14.

John, Rojan P., Dhanya Gangadharan, & K. Madhavan Nampoothiri. (2008). Genome shuffling of Lactobacillus delbrueckii mutant and Bacillus amyloliquefaciens through protoplasmic fusion for l-lactic acid production from starchy wastes. Bioresource Technology. 99(17). 8008–8015. 59 indexed citations

15.

John, Rojan P. & K. Madhavan Nampoothiri. (2008). Strain improvement of Lactobacillus delbrueckii using nitrous acid mutation for l-lactic acid production. World Journal of Microbiology and Biotechnology. 24(12). 3105–3109. 13 indexed citations

16.

Girija, Aswathy Ravindran, Bindhumol Ismail, Rojan P. John, & K. Madhavan Nampoothiri. (2008). Evaluation of the Probiotic Characteristics of Newly Isolated Lactic Acid Bacteria. Applied Biochemistry and Biotechnology. 151(2-3). 244–255. 61 indexed citations

17.

John, Rojan P., K. Madhavan Nampoothiri, & Ashok Pandey. (2007). Polyurethane foam as an inert carrier for the production of L(+)-lactic acid by Lactobacillus casei under solid-state fermentation. Letters in Applied Microbiology. 44(6). 582–587. 20 indexed citations

18.

John, Rojan P., K. Madhavan Nampoothiri, & Ashok Pandey. (2007). Fermentative production of lactic acid from biomass: an overview on process developments and future perspectives. Applied Microbiology and Biotechnology. 74(3). 524–534. 443 indexed citations

19.

John, Rojan P., K. Madhavan Nampoothiri, & Ashok Pandey. (2007). Production of L(+) lactic acid from cassava starch hydrolyzate by immobilized Lactobacillus delbrueckii. Journal of Basic Microbiology. 47(1). 25–30. 21 indexed citations

20.

John, Rojan P., K. Madhavan Nampoothiri, & Ashok Pandey. (2006). Simultaneous saccharification and L-(+)-lactic acid fermentation of protease-treated wheat bran using mixed culture of lactobacilli. Biotechnology Letters. 28(22). 1823–1826. 40 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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