Rajender S. Varma

78.1k total citations · 28 hit papers
973 papers, 62.2k citations indexed

About

Rajender S. Varma is a scholar working on Organic Chemistry, Materials Chemistry and Biomedical Engineering. According to data from OpenAlex, Rajender S. Varma has authored 973 papers receiving a total of 62.2k indexed citations (citations by other indexed papers that have themselves been cited), including 504 papers in Organic Chemistry, 308 papers in Materials Chemistry and 207 papers in Biomedical Engineering. Recurrent topics in Rajender S. Varma's work include Nanomaterials for catalytic reactions (179 papers), Chemical Synthesis and Reactions (135 papers) and Multicomponent Synthesis of Heterocycles (116 papers). Rajender S. Varma is often cited by papers focused on Nanomaterials for catalytic reactions (179 papers), Chemical Synthesis and Reactions (135 papers) and Multicomponent Synthesis of Heterocycles (116 papers). Rajender S. Varma collaborates with scholars based in Czechia, United States and Iran. Rajender S. Varma's co-authors include Vivek Polshettiwar, Mallikarjuna N. Nadagouda, Siavash Iravani, Manoj B. Gawande, R. B. Nasir Baig, Radek Zbořil, Paula S. Branco, Mahmoud Nasrollahzadeh, Mohammadreza Shokouhimehr and Babita Baruwati and has published in prestigious journals such as Chemical Reviews, Chemical Society Reviews and Nucleic Acids Research.

In The Last Decade

Rajender S. Varma

953 papers receiving 60.7k citations

Hit Papers

Cu and Cu-Based Nanoparti... 1999 2026 2008 2017 2016 1999 2013 2010 2015 500 1000 1.5k 2.0k
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.

  1. Cu and Cu-Based Nanoparticles: Synthesis and Applications in Catalysis
    2016 2.3k citations Manoj B. Gawande, Anandarup Goswami et al. profile →
  2. Solvent-free organic syntheses
    1999 1.2k citations Rajender S. Varma Green Chemistry profile →
  3. Nano-magnetite (Fe3O4) as a support for recyclable catalysts in the development of sustainable methodologies
    2013 1.1k citations Manoj B. Gawande, Rajender S. Varma et al. Chemical Society Reviews profile →
  4. Green chemistry by nano-catalysis
    2010 1.0k citations Rajender S. Varma et al. Green Chemistry profile →
  5. Core–shell nanoparticles: synthesis and applications in catalysis and electrocatalysis
    2015 934 citations Manoj B. Gawande, Anandarup Goswami et al. Chemical Society Reviews profile →
  6. Selectivity Enhancement in Heterogeneous Photocatalytic Transformations
    2017 739 citations Rajender S. Varma et al. profile →
  7. Microwave-Assisted Chemistry: Synthetic Applications for Rapid Assembly of Nanomaterials and Organics
    2014 601 citations Manoj B. Gawande, Radek Zbořil et al. profile →
  8. Benign by design: catalyst-free in-water, on-water green chemical methodologies in organic synthesis
    2013 593 citations Manoj B. Gawande, Rafael Luque et al. Chemical Society Reviews profile →
  9. Magnetically retrievable catalysts for organic synthesis
    2012 583 citations R. B. Nasir Baig, Rajender S. Varma profile →
  10. Microwave-Assisted Organic Synthesis and Transformations using Benign Reaction Media
    2008 565 citations Rajender S. Varma et al. profile →
  11. Green synthesis of silver and palladium nanoparticles at room temperature using coffee and tea extract
    2008 560 citations Mallikarjuna N. Nadagouda, Rajender S. Varma Green Chemistry profile →
  12. Starch, cellulose, pectin, gum, alginate, chitin and chitosan derived (nano)materials for sustainable water treatment: A review
    2020 530 citations Siavash Iravani, Rajender S. Varma et al. profile →
  13. Alternative energy input: mechanochemical, microwave and ultrasound-assisted organic synthesis
    2011 462 citations R. B. Nasir Baig, Rajender S. Varma Chemical Society Reviews profile →
  14. Hydroxyapatite: A review of syntheses, structure and applications in heterogeneous catalysis
    2017 410 citations Rajender S. Varma et al. Coordination Chemistry Reviews profile →
  15. Recent advances in the Suzuki–Miyaura cross-coupling reaction using efficient catalysts in eco-friendly media
    2018 382 citations Rajender S. Varma et al. Green Chemistry profile →
  16. Green synthesis, biomedical and biotechnological applications of carbon and graphene quantum dots. A review
    2020 363 citations Siavash Iravani, Rajender S. Varma profile →
  17. Ferrates: Greener Oxidants with Multimodal Action in Water Treatment Technologies
    2015 356 citations Radek Zbořil, Rajender S. Varma et al. profile →
  18. MXenes and ultrasonication
    2019 338 citations Rajender S. Varma et al. profile →
  19. Greener synthesis of lignin nanoparticles and their applications
    2020 333 citations Siavash Iravani, Rajender S. Varma Green Chemistry profile →
  20. Single-Atom (Iron-Based) Catalysts: Synthesis and Applications
    2021 287 citations Manoj B. Gawande, Rajender S. Varma et al. profile →
  21. Tannic acid: a versatile polyphenol for design of biomedical hydrogels
    2022 213 citations Rajender S. Varma et al. profile →
  22. Customizing nano-chitosan for sustainable drug delivery
    2022 170 citations Mohammad Reza Saeb, Rajender S. Varma et al. profile →
  23. Alginate-Based Biomaterials in Tissue Engineering and Regenerative Medicine
    2023 132 citations Siavash Iravani, Rajender S. Varma et al. profile →
  24. Applications of plant-based nanoparticles in nanomedicine: A review
    2022 127 citations Rajender S. Varma et al. profile →
  25. Single Atom Catalysts Based on Earth-Abundant Metals for Energy-Related Applications
    2024 110 citations Rajender S. Varma, Radek Zbořil et al. profile →
  26. A review of chitosan nanoparticles: Nature's gift for transforming agriculture through smart and effective delivery mechanisms
    2024 59 citations Rajender S. Varma et al. profile →
  27. Interfacial Engineering of Pillared Co(II) Metal–Organic Framework@NiMn-Layered Double Hydroxide Nanocomposite for Oxygen Evolution Reaction Electrocatalysis
    2025 32 citations Rajender S. Varma et al. profile →
  28. Non-noble metal–organic frameworks in electrocatalytic urea-assisted hydrogen production and energy-saving regeneration
    2025 29 citations Rajender S. Varma et al. profile →

Peers — A (Enhanced Table)

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

Name h Career Trend Papers Cites
Rajender S. Varma Czechia 119 28.4k 23.6k 13.1k 9.7k 6.9k 973 62.2k
Rafael Luque Spain 102 12.4k 0.4× 18.1k 0.8× 16.5k 1.3× 10.7k 1.1× 3.8k 0.5× 888 48.0k
Vinod Kumar Gupta India 149 18.7k 0.7× 22.3k 0.9× 13.2k 1.0× 12.8k 1.3× 4.1k 0.6× 711 85.7k
Radek Zbořil Czechia 112 8.3k 0.3× 36.5k 1.5× 15.8k 1.2× 13.9k 1.4× 5.1k 0.7× 723 60.1k
Yanli Zhao Singapore 126 10.2k 0.4× 34.6k 1.5× 16.4k 1.3× 8.1k 0.8× 7.5k 1.1× 777 57.6k
Mika Sillanpää Finland 121 8.9k 0.3× 18.1k 0.8× 13.8k 1.1× 13.7k 1.4× 2.3k 0.3× 1.3k 73.7k
Yu Liu China 104 16.8k 0.6× 23.9k 1.0× 9.4k 0.7× 2.0k 0.2× 9.2k 1.3× 1.9k 56.6k
James H. Clark United Kingdom 95 13.0k 0.5× 9.7k 0.4× 11.5k 0.9× 2.5k 0.3× 4.0k 0.6× 721 38.4k
Na Li China 108 6.0k 0.2× 21.6k 0.9× 12.8k 1.0× 11.5k 1.2× 14.2k 2.1× 1.9k 60.8k
Ferdi Schüth Germany 114 8.8k 0.3× 38.1k 1.6× 9.4k 0.7× 10.1k 1.0× 1.7k 0.3× 505 55.1k
Tejraj M. Aminabhavi India 112 6.2k 0.2× 10.9k 0.5× 13.8k 1.1× 6.4k 0.7× 4.5k 0.7× 932 52.1k

Countries citing papers authored by Rajender S. Varma

Since Specialization
Citations

This map shows the geographic impact of Rajender S. Varma'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 Rajender S. Varma with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Rajender S. Varma more than expected).

Fields of papers citing papers by Rajender S. Varma

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Rajender S. Varma. 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 Rajender S. Varma. The network helps show where Rajender S. Varma may publish in the future.

Co-authorship network of co-authors of Rajender S. Varma

This figure shows the co-authorship network connecting the top 25 collaborators of Rajender S. Varma. A scholar is included among the top collaborators of Rajender S. Varma 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 Rajender S. Varma. Rajender S. Varma is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Khachatourian, Adrine Malek, et al.. (2025). Doping effects on microstructural, electrical, thermal, and oxidation properties of Mn–Co spinels as interconnect coat in fuel cell application: A review. International Journal of Hydrogen Energy. 162. 150703–150703.
2.
Sani, Mahmood Alizadeh, et al.. (2025). Advanced carbon-based nanomaterials: Application in the development of multifunctional next-generation food packaging materials. Advances in Colloid and Interface Science. 339. 103422–103422. 20 indexed citations
3.
Sana, Siva Sankar, et al.. (2024). Honey mediated synthesis of zinc oxide nanoparticles, and evaluation of antimicrobial, antibiofilm activities against multidrug resistant clinical bacterial isolates. Journal of Industrial and Engineering Chemistry. 135. 110–121. 11 indexed citations
4.
Rangarajan, T. M., et al.. (2024). Optimal exploitation of supported heterogenized Pd nanoparticles for C-C cross-coupling reactions. Coordination Chemistry Reviews. 507. 215763–215763. 21 indexed citations
5.
Khachatourian, Adrine Malek, et al.. (2024). Copper oxide/graphene-based composites: Synthesis methods, appliances and recent advancements. FlatChem. 47. 100716–100716. 14 indexed citations
6.
Sana, Siva Sankar, M. Ramanadham, Seong‐Cheol Kim, et al.. (2023). Immunomodulatory effects of copper nanoparticles against mitogen-stimulated rat splenic and thymic lymphocytes. Food and Chemical Toxicology. 184. 114420–114420. 3 indexed citations
7.
Ziarani, Ghodsi Mohammadi, et al.. (2023). Architecture of a functionalized SBA-15 (SBA-Pr-N-BFE) chemosensor for the detection of Fe3+ ions in aqueous media. Inorganic Chemistry Communications. 150. 110483–110483. 6 indexed citations
8.
Sana, Siva Sankar, Madhappan Santhamoorthy, Chaitany Jayprakash Raorane, et al.. (2023). Recent advances on MXene-based hydrogels for antibacterial and drug delivery applications. Process Biochemistry. 132. 200–220. 50 indexed citations
9.
Jha, Ealisha, Paritosh Patel, Puja Kumari, et al.. (2023). In vivo molecular biocompatibility of Calotropis gigentea contrived smart Poly(N-isopropylacrylamide)-co-sulphonic-Silver microgel hybrid with embryonic Danio rerio inferred via intrinsic atomic physiological impacts. Journal of environmental chemical engineering. 11(6). 111183–111183. 11 indexed citations
10.
Li, Yu, Yingji Wu, Seyed Ali Delbari, et al.. (2023). Functional carbon-supported nanocatalysts for biomass conversion. Molecular Catalysis. 538. 113003–113003. 19 indexed citations
11.
12.
Rabiee, Navid, Mojtaba Bagherzadeh, Amir Mohammad Ghadiri, et al.. (2021). Turning Toxic Nanomaterials into a Safe and Bioactive Nanocarrier for Co-delivery of DOX/pCRISPR. ACS Applied Bio Materials. 4(6). 5336–5351. 61 indexed citations
13.
Bigham, Ashkan, Navid Rabiee, Mojtaba Bagherzadeh, et al.. (2021). Nanotechnology-Abetted Astaxanthin Formulations in Multimodel Therapeutic and Biomedical Applications. Journal of Medicinal Chemistry. 65(1). 2–36. 54 indexed citations
14.
Kumar, Subodh, Manoj B. Gawande, Ivo Medřík, et al.. (2020). Mechanochemical synthesis of Cu2S bonded 2D-sulfonated organic polymers: continuous production of dimethyl carbonate (DMC) via preheating of reactants. Green Chemistry. 22(17). 5619–5627. 14 indexed citations
15.
Parthiban, S., et al.. (2019). Low temperature processed titanium oxide thin-film using scalable wire-bar coating. Materials Research Express. 6(12). 126427–126427. 8 indexed citations
16.
Châtel, Grégory & Rajender S. Varma. (2019). Ultrasound and microwave irradiation: contributions of alternative physicochemical activation methods to Green Chemistry. Green Chemistry. 21(22). 6043–6050. 69 indexed citations
17.
Verma, Sanny, R. B. Nasir Baig, Mallikarjuna N. Nadagouda, & Rajender S. Varma. (2018). Oxidative C-H activation of amines using protuberant lychee-like goethite. Scientific Reports. 8(1). 2024–2024. 13 indexed citations
18.
Baig, R. B. Nasir & Rajender S. Varma. (2011). Alternative energy input: mechanochemical, microwave and ultrasound-assisted organic synthesis. Chemical Society Reviews. 41(4). 1559–1584. 462 indexed citations breakdown →
19.
Varma, Rajender S., et al.. (1982). Glycosaminoglycans and proteoglycans in physiological and pathological processes of body systems. KARGER eBooks. 52 indexed citations
20.
Wardi, Ahmad H., et al.. (1974). A simple and direct method for the microestimation of glycosaminoglycans in urine. Biochemical Medicine. 11(1). 93–97. 1 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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