Ajit Kumar

1.9k total citations · 1 hit paper
50 papers, 1.7k citations indexed

About

Ajit Kumar is a scholar working on Spectroscopy, Materials Chemistry and Organic Chemistry. According to data from OpenAlex, Ajit Kumar has authored 50 papers receiving a total of 1.7k indexed citations (citations by other indexed papers that have themselves been cited), including 32 papers in Spectroscopy, 25 papers in Materials Chemistry and 16 papers in Organic Chemistry. Recurrent topics in Ajit Kumar's work include Molecular Sensors and Ion Detection (32 papers), Luminescence and Fluorescent Materials (16 papers) and Analytical Chemistry and Sensors (13 papers). Ajit Kumar is often cited by papers focused on Molecular Sensors and Ion Detection (32 papers), Luminescence and Fluorescent Materials (16 papers) and Analytical Chemistry and Sensors (13 papers). Ajit Kumar collaborates with scholars based in India, United Kingdom and China. Ajit Kumar's co-authors include K. K. Upadhyay, Om Prakash Roy, Virendra Kumar, Uzra Diwan, Rakesh K. Mishra, Richard Walker, Shweta Shweta, Neeraj Neeraj, Erik De Clercq and A. S. JONES and has published in prestigious journals such as Chemical Communications, Journal of Medicinal Chemistry and Inorganic Chemistry.

In The Last Decade

Ajit Kumar

47 papers receiving 1.3k 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.

Collaborative Networks: Integrating Blockchain for Enhanced Trust and Transparency

2024 332 citations Ajit Kumar, Om Prakash Roy International Journal of Innovative Science and Research Technology (IJISRT) profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Ajit Kumar India	22	904	637	409	401	262	50	1.7k
Hong-Seok Kim South Korea	29	1.3k 1.4×	909 1.4×	548 1.3×	653 1.6×	573 2.2×	90	2.4k
Shu-Wei Chen China	23	290 0.3×	328 0.5×	152 0.4×	275 0.7×	307 1.2×	65	1.7k
Brian J. Clark United Kingdom	28	1.1k 1.2×	238 0.4×	146 0.4×	227 0.6×	155 0.6×	110	2.1k
Salman A. Khan Saudi Arabia	30	558 0.6×	580 0.9×	144 0.4×	497 1.2×	1.8k 7.0×	226	3.1k
Liyi Zhou China	33	1.4k 1.5×	1.2k 1.9×	237 0.6×	715 1.8×	229 0.9×	96	2.7k
Priyanka Priyanka India	19	332 0.4×	281 0.4×	89 0.2×	294 0.7×	266 1.0×	110	1.2k
Marco Pierini Italy	30	1.3k 1.5×	326 0.5×	43 0.1×	479 1.2×	935 3.6×	141	2.7k
Prakash C. Jha India	25	337 0.4×	820 1.3×	54 0.1×	495 1.2×	839 3.2×	203	2.7k
Kunal Pal India	21	337 0.4×	555 0.9×	120 0.3×	211 0.5×	118 0.5×	97	1.4k

Countries citing papers authored by Ajit Kumar

Since Specialization

Citations

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

Fields of papers citing papers by Ajit Kumar

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ajit Kumar. 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 Ajit Kumar. The network helps show where Ajit Kumar may publish in the future.

Co-authorship network of co-authors of Ajit Kumar

This figure shows the co-authorship network connecting the top 25 collaborators of Ajit Kumar. A scholar is included among the top collaborators of Ajit Kumar 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 Ajit Kumar. Ajit Kumar 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

Kumar, Ajit & Om Prakash Roy. (2024). Collaborative Networks: Integrating Blockchain for Enhanced Trust and Transparency. International Journal of Innovative Science and Research Technology (IJISRT). 139–147. 332 indexed citations breakdown →

Priyan, V. Vishnu, et al.. (2023). A review on the laccase assisted decolourization of dyes: Recent trends and research progress. Journal of the Taiwan Institute of Chemical Engineers. 151. 105081–105081. 42 indexed citations

Shweta, Shweta, et al.. (2017). A smart ratiometric red fluorescent chemodosimeter for fluoride based on anthraquinone nosylate. New Journal of Chemistry. 41(12). 5098–5104. 17 indexed citations

Kumar, Virendra, Ajit Kumar, Uzra Diwan, Manish Kumar Singh, & K. K. Upadhyay. (2016). Turn “Off–On” Fluorescent Recognition of Cu2+ and Cys in Aqueous Medium: Implementation of Molecular Logic Gate and Cell Imaging Studies. Bulletin of the Chemical Society of Japan. 89(7). 754–761. 20 indexed citations

Vishwakarma, Siddharth, Ajit Kumar, Abha Pandey, & K. K. Upadhyay. (2016). A multi writable thiophene-based selective and reversible chromogenic fluoride probe with dual –NH functionality. Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy. 170. 191–197. 17 indexed citations

Kumar, Virendra, Ajit Kumar, Uzra Diwan, et al.. (2014). Salicylideneimines as efficient dual channel emissive probes for Al3+: Harnessing ESIPT and ICT processes. Sensors and Actuators B Chemical. 207. 650–657. 79 indexed citations

Kumar, Virendra, Ajit Kumar, Uzra Diwan, & K. K. Upadhyay. (2013). A Zn2+-responsive highly sensitive fluorescent probe and 1D coordination polymer based on a coumarin platform. Dalton Transactions. 42(36). 13078–13078. 44 indexed citations

Diwan, Uzra, Ajit Kumar, Virendra Kumar, & K. K. Upadhyay. (2013). Solvent viscosity tuned highly selective NIR and ratiometric fluorescent sensing of Fe3+ by a symmetric chalcone analogue. Dalton Transactions. 42(38). 13889–13889. 20 indexed citations

Kumar, Ajit, Virendra Kumar, & K. K. Upadhyay. (2013). An Al3+ and H2PO4−/HSO4− selective conformational arrest and bail to a pyrimidine-naphthalene anchored molecular switch. The Analyst. 138(6). 1891–1891. 81 indexed citations

10.

Kumar, Virendra, Ajit Kumar, Uzra Diwan, & K. K. Upadhyay. (2012). Uncovering the true mechanism of optical detection of HSO4− in water by Schiff-base receptors – hydrolysis vs. hydrogen bonding. Chemical Communications. 48(76). 9540–9540. 41 indexed citations

11.

Upadhyay, K. K., Ajit Kumar, Jianzhang Zhao, & Rakesh K. Mishra. (2010). Naked-eye recognition of CuII, ZnII and acetate ion by the first guanine-based difunctional chromoinophore. Talanta. 81(1-2). 714–721. 29 indexed citations

12.

Upadhyay, K. K. & Ajit Kumar. (2010). Al3+ selective an efficient colorimetric receptor derived from 5-aminouracil. Talanta. 82(2). 845–849. 14 indexed citations

13.

Upadhyay, K. K. & Ajit Kumar. (2010). Pyrimidine based highly sensitive fluorescent receptor for Al3+ showing dual signalling mechanism. Organic & Biomolecular Chemistry. 8(21). 4892–4892. 227 indexed citations

14.

Upadhyay, K. K., Rakesh K. Mishra, Ajit Kumar, Jianzhang Zhao, & Rajendra Prasad. (2009). Self assembled pseudo double helix architecture and anion sensing behavior of a coumarin based ICT probe. Journal of Molecular Structure. 963(2-3). 228–233. 21 indexed citations

15.

Upadhyay, K. K., Ajit Kumar, Rakesh K. Mishra, & Rajendra Prasad. (2009). Colorimetric Recognition of d10 Metal Ions through an Adenine-Based ICT Probe. Bulletin of the Chemical Society of Japan. 82(7). 813–815. 9 indexed citations

16.

Shukla, Rajni, et al.. (2005). Specific heat studies in glassy Se 78 Ge 22 and Se 68 Ge 22 M 10 (M = Cd, In, Pb) alloys. Indian Journal of Pure & Applied Physics. 43(5). 363–367. 8 indexed citations

17.

Mehta, N., et al.. (2005). Calorimetric studies of thermal crystallization in glassy Se 80 Te 20 and Se 80 In 20 alloys. Indian Journal of Engineering and Materials Sciences. 12(6). 571–576. 2 indexed citations

18.

Kumar, Ajit & Richard Walker. (1990). The chemistry of 2',3'-seconucleosides IV. Synthesis and reactions of 3'-azido-2',3'-dideoxy-2',3'- secothymidine and related analogues. Tetrahedron. 46(9). 3101–3110. 23 indexed citations

19.

Kumar, Ajit, Paul L. Coe, A. S. JONES, et al.. (1990). Synthesis and biological evaluation of some cyclic phosphoramidate nucleoside derivatives. Journal of Medicinal Chemistry. 33(9). 2368–2375. 23 indexed citations

20.

Farrow, Stuart, A. S. JONES, Ajit Kumar, et al.. (1990). Synthesis and biological properties of novel phosphotriesters: a new approach to the introduction of biologically active nucleotides into cells. Journal of Medicinal Chemistry. 33(5). 1400–1406. 51 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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