Nada Zein

1.6k total citations · 1 hit paper
26 papers, 1.3k citations indexed

About

Nada Zein is a scholar working on Molecular Biology, Organic Chemistry and Toxicology. According to data from OpenAlex, Nada Zein has authored 26 papers receiving a total of 1.3k indexed citations (citations by other indexed papers that have themselves been cited), including 20 papers in Molecular Biology, 18 papers in Organic Chemistry and 5 papers in Toxicology. Recurrent topics in Nada Zein's work include Cyclization and Aryne Chemistry (10 papers), DNA and Nucleic Acid Chemistry (7 papers) and Phytochemical compounds biological activities (7 papers). Nada Zein is often cited by papers focused on Cyclization and Aryne Chemistry (10 papers), DNA and Nucleic Acid Chemistry (7 papers) and Phytochemical compounds biological activities (7 papers). Nada Zein collaborates with scholars based in United States, Germany and Sweden. Nada Zein's co-authors include George A. Ellestad, William J. McGahren, A M Sinha, Ramaswamy Nilakantan, Daniel R. Schroeder, G. O. MORTON, Kimberly L. Colson, Terrence W. Doyle, Harold Kohn and Harold Kohn and has published in prestigious journals such as Science, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Nada Zein

26 papers receiving 1.2k 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.

Calicheamicin γ ₁ ^I : an Antitumor Antibiotic That Cleaves Double-Stranded DNA Site Specifically

1988 462 citations Nada Zein, A M Sinha et al. Science profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nada Zein United States	17	783	620	185	147	115	26	1.3k
Dennis Powell United States	22	813 1.0×	500 0.8×	71 0.4×	194 1.3×	84 0.7×	50	1.3k
John D. Chisholm United States	28	945 1.2×	688 1.1×	141 0.8×	130 0.9×	57 0.5×	85	1.8k
Laurence Kraus‐Berthier France	24	531 0.7×	826 1.3×	136 0.7×	318 2.2×	153 1.3×	50	1.4k
Chiang Yu United States	20	668 0.9×	865 1.4×	154 0.8×	344 2.3×	214 1.9×	26	1.4k
Surekha M. Zingde India	21	612 0.8×	598 1.0×	62 0.3×	263 1.8×	39 0.3×	63	1.2k
Konstanty Wierzba Japan	19	420 0.5×	1.2k 2.0×	130 0.7×	236 1.6×	67 0.6×	35	1.7k
Yoshihiko Kotake Japan	14	481 0.6×	1.1k 1.8×	124 0.7×	181 1.2×	28 0.2×	22	1.5k
Mark E. Schnute United States	19	715 0.9×	618 1.0×	81 0.4×	134 0.9×	14 0.1×	25	1.4k
Heinz Fretz Switzerland	18	394 0.5×	860 1.4×	108 0.6×	358 2.4×	43 0.4×	38	1.2k
Céline Cano United Kingdom	21	369 0.5×	834 1.3×	106 0.6×	387 2.6×	118 1.0×	54	1.3k

Countries citing papers authored by Nada Zein

Since Specialization

Citations

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

Fields of papers citing papers by Nada Zein

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Nada Zein

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

Liu, Jinping, et al.. (1998). Use of affinity capillary electrophoresis for the study of protein and drug interactions. The Analyst. 123(7). 1455–1459. 32 indexed citations

Lee, Sangku, et al.. (1996). Synthesis and biological evaluation of a bicyclo [7.4.1]enediyne. Bioorganic & Medicinal Chemistry Letters. 6(11). 1261–1264. 3 indexed citations

Zein, Nada, Paul D. Reiss, Michael S. Bernatowicz, & Mark S. Bolgar. (1995). The proteolytic specificity of the natural enediyne-containing chromoproteins is unique to each chromoprotein. Chemistry & Biology. 2(7). 451–455. 34 indexed citations

Zein, Nada, et al.. (1995). Maduropeptin: An Antitumor Chromoprotein with Selective Protease Activity and DNA Cleaving Properties. Biochemistry. 34(36). 11591–11597. 36 indexed citations

Wittman, Mark D., John F. Kadow, David R. Langley, et al.. (1995). The synthesis and biological activity of enediyne minor groove binding hybrids. Bioorganic & Medicinal Chemistry Letters. 5(10). 1049–1052. 16 indexed citations

Wittman, Mark D., John F. Kadow, Harold Mastalerz, et al.. (1994). The effect of propargylic substitution on the activation and aromatization of enediynes. Bioorganic & Medicinal Chemistry Letters. 4(24). 2925–2928. 2 indexed citations

Schroeder, Daniel R., Kimberly L. Colson, Steven E. Klohr, et al.. (1994). Isolation, Structure Determination, and Proposed Mechanism of Action for Artifacts of Maduropeptin Chromophore. Journal of the American Chemical Society. 116(20). 9351–9352. 61 indexed citations

Zein, Nada, Anna Maria Casazza, John F. Kadow, et al.. (1993). Protein damage caused by a synthetic enediyne core. Bioorganic & Medicinal Chemistry Letters. 3(6). 1351–1356. 33 indexed citations

Zein, Nada, Anna Maria Casazza, Terrence W. Doyle, et al.. (1993). Selective proteolytic activity of the antitumor agent kedarcidin.. Proceedings of the National Academy of Sciences. 90(17). 8009–8012. 34 indexed citations

10.

Zein, Nada, Kimberly L. Colson, John E. Leet, et al.. (1993). Kedarcidin chromophore: an enediyne that cleaves DNA in a sequence-specific manner.. Proceedings of the National Academy of Sciences. 90(7). 2822–2826. 35 indexed citations

11.

Nicolaou, K. C., Sebastian Wendeborn, Peter E. Maligres, et al.. (1991). Selektivität und Wirkungsmechanismus neuer DNA‐spaltender Sulfone. Angewandte Chemie. 103(4). 462–464. 3 indexed citations

12.

Voss, James J. De, Craig A. Townsend, G. O. MORTON, et al.. (1990). Site-specific atom transfer from DNA to a bound ligand defines the geometry of a DNA-calicheamicin .gamma.1I complex. Journal of the American Chemical Society. 112(26). 9669–9670. 68 indexed citations

13.

Zein, Nada, et al.. (1989). Calicheamicin γ ₁ ^I and DNA: Molecular Recognition Process Responsible for Site-Specificity. Science. 244(4905). 697–699. 192 indexed citations

14.

Zein, Nada, William J. McGahren, G. O. MORTON, Joseph Ashcroft, & George A. Ellestad. (1989). Exclusive abstraction of nonexchangeable protons from DNA by calicheamicin .gamma.1I. Journal of the American Chemical Society. 111(17). 6888–6890. 56 indexed citations

15.

Zein, Nada, William J. McGahren, G. O. MORTON, Joseph Ashcroft, & George A. Ellestad. (1989). ChemInform Abstract: Exclusive Abstraction of Nonexchangeable Hydrogens from DNA by Calicheamicin γ1I.. ChemInform. 20(47). 2 indexed citations

16.

Ellestad, George A., Philip R. Hamann, Nada Zein, et al.. (1989). Reactions of the trisulfide moiety in calicheamicin. Tetrahedron Letters. 30(23). 3033–3036. 22 indexed citations

17.

Zein, Nada, A M Sinha, William J. McGahren, & George A. Ellestad. (1988). Calicheamicin γ ₁ ^I : an Antitumor Antibiotic That Cleaves Double-Stranded DNA Site Specifically. Science. 240(4856). 1198–1201. 462 indexed citations breakdown →

18.

Zein, Nada & Harold Kohn. (1987). Covalent binding of mitomycin C to nucleosides under reductive conditions. Journal of the American Chemical Society. 109(5). 1576–1577. 12 indexed citations

19.

Zein, Nada & Harold Kohn. (1986). The electrophilic and nucleophilic character of the carbon-10 methylene group in mitosenes revealed. Journal of the American Chemical Society. 108(2). 296–297. 17 indexed citations

20.

Kohn, Harold & Nada Zein. (1983). Studies concerning the mechanism of electrophilic substitution reactions of mitomycin C. Journal of the American Chemical Society. 105(12). 4105–4106. 19 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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