John T. Landrum

6.9k total citations · 2 hit papers
56 papers, 5.3k citations indexed

About

John T. Landrum is a scholar working on Molecular Biology, Biochemistry and Ophthalmology. According to data from OpenAlex, John T. Landrum has authored 56 papers receiving a total of 5.3k indexed citations (citations by other indexed papers that have themselves been cited), including 33 papers in Molecular Biology, 30 papers in Biochemistry and 17 papers in Ophthalmology. Recurrent topics in John T. Landrum's work include Antioxidant Activity and Oxidative Stress (30 papers), Retinal Diseases and Treatments (15 papers) and Retinoids in leukemia and cellular processes (14 papers). John T. Landrum is often cited by papers focused on Antioxidant Activity and Oxidative Stress (30 papers), Retinal Diseases and Treatments (15 papers) and Retinoids in leukemia and cellular processes (14 papers). John T. Landrum collaborates with scholars based in United States, Poland and United Kingdom. John T. Landrum's co-authors include Richard A. Bone, Norman I. Krinsky, Camilo Ruiz, S. T. Mayne, Christopher M. Gómez, W. Robert Scheidt, Christopher A. Reed, Carl D. Hoff, Weili Wang and Zisca Dixon and has published in prestigious journals such as Journal of the American Chemical Society, The Journal of Chemical Physics and Analytical Chemistry.

In The Last Decade

John T. Landrum

56 papers receiving 5.0k 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.

Lutein, Zeaxanthin, and the Macular Pigment

2001 631 citations John T. Landrum, Richard A. Bone Archives of Biochemistry and Biophysics profile →
BIOLOGIC MECHANISMS OF THE PROTECTIVE ROLE OF LUTEIN AND ZEAXANTHIN IN THE EYE

2003 616 citations John T. Landrum, Richard A. Bone et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
John T. Landrum United States	30	3.0k	2.3k	1.8k	661	425	56	5.3k
Richard A. Bone United States	25	2.7k 0.9×	2.0k 0.9×	1.7k 0.9×	644 1.0×	249 0.6×	41	4.6k
T. George Truscott United Kingdom	44	2.3k 0.8×	2.6k 1.1×	327 0.2×	126 0.2×	1.5k 3.6×	157	7.3k
Colin F. Chignell United States	53	369 0.1×	3.9k 1.7×	314 0.2×	196 0.3×	2.0k 4.6×	260	9.7k
J. Mark Petrash United States	44	231 0.1×	3.0k 1.3×	524 0.3×	311 0.5×	244 0.6×	123	6.2k
Ruth Edge United Kingdom	33	1.3k 0.4×	893 0.4×	92 0.1×	86 0.1×	1.2k 2.9×	128	4.0k
T. G. Truscott United Kingdom	23	730 0.2×	917 0.4×	201 0.1×	49 0.1×	756 1.8×	57	2.5k
Yashige Kotake United States	34	248 0.1×	1.0k 0.5×	113 0.1×	107 0.2×	696 1.6×	138	3.7k
Edward J. Land United Kingdom	43	1.1k 0.4×	2.1k 0.9×	85 0.0×	39 0.1×	1.8k 4.2×	137	5.9k
Marisa Helena Gennari de Medeiros Brazil	50	519 0.2×	2.9k 1.3×	32 0.0×	142 0.2×	874 2.1×	168	7.4k
Dimitri A. Svistunenko United Kingdom	39	172 0.1×	3.4k 1.5×	132 0.1×	78 0.1×	242 0.6×	114	5.9k

Countries citing papers authored by John T. Landrum

Since Specialization

Citations

This map shows the geographic impact of John T. Landrum'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 John T. Landrum with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites John T. Landrum more than expected).

Fields of papers citing papers by John T. Landrum

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by John T. Landrum. 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 John T. Landrum. The network helps show where John T. Landrum may publish in the future.

Co-authorship network of co-authors of John T. Landrum

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Landrum, John T., et al.. (2022). Analysis of macular carotenoids in the developing macaque retina: The timeline of macular pigment development. Methods in enzymology on CD-ROM/Methods in enzymology. 674. 215–253. 1 indexed citations

Bone, Richard A. & John T. Landrum. (2010). Dose-dependent response of serum lutein and macular pigment optical density to supplementation with lutein esters. Archives of Biochemistry and Biophysics. 504(1). 50–55. 81 indexed citations

Landrum, John T.. (2009). Carotenoids : Physical, Chemical, and Biological Functions and Properties. CRC Press eBooks. 143 indexed citations

Landrum, John T., et al.. (2009). The conformation of end-groups is one determinant of carotenoid topology suitable for high fidelity molecular recognition: A study of β- and ε-end-groups. Archives of Biochemistry and Biophysics. 493(2). 169–174. 11 indexed citations

Bone, Richard A., et al.. (2007). Validity of Macular Pigment Optical Density Measurements by Heterochromatic Flicker Photometry. Investigative Ophthalmology & Visual Science. 48(13). 2131–2131. 2 indexed citations

Bone, Richard A., et al.. (2007). Macular pigment response to a supplement containing meso-zeaxanthin, lutein and zeaxanthin. Nutrition & Metabolism. 4(1). 12–12. 78 indexed citations

Rosenthal, Julie, Jonghyeon Kim, Darby J. S. Thompson, et al.. (2006). Dose-Ranging Study of Lutein Supplementation in Persons Aged 60 Years or Older. Investigative Ophthalmology & Visual Science. 47(12). 5227–5227. 51 indexed citations

Bone, Richard A., et al.. (2004). Macular pigment and the edge hypothesis of heterochromatic flicker photometry. Investigative Ophthalmology & Visual Science. 45(13). 1294–1294. 1 indexed citations

Landrum, John T., et al.. (2004). Influence of Lutein Dosage on Macular Pigment Response. Investigative Ophthalmology & Visual Science. 45(13). 1290–1290. 1 indexed citations

10.

Bone, Richard A. & John T. Landrum. (2004). Heterochromatic flicker photometry. Archives of Biochemistry and Biophysics. 430(2). 137–142. 68 indexed citations

11.

Bone, Richard A., et al.. (2004). Macular pigment and the edge hypothesis of flicker photometry. Vision Research. 44(26). 3045–3051. 23 indexed citations

12.

Bone, Richard A., et al.. (2003). Macular Pigment and Serum Response to Dietary Supplementation with Meso-zeaxanthin. Investigative Ophthalmology & Visual Science. 44(13). 405–405. 5 indexed citations

13.

Bone, Richard A., et al.. (2000). Lutein and Zeaxanthin in the Eyes, Serum and Diet of Human Subjects. Experimental Eye Research. 71(3). 239–245. 146 indexed citations

14.

Landrum, John T., et al.. (1999). [40] Analysis of zeaxanthin distribution within individual human retinas. Methods in enzymology on CD-ROM/Methods in enzymology. 299. 457–467. 50 indexed citations

15.

Landrum, John T., et al.. (1997). A One Year Study of the Macular Pigment: The Effect of 140 Days of a Lutein Supplement. Experimental Eye Research. 65(1). 57–62. 353 indexed citations

16.

Bone, Richard A., et al.. (1997). Distribution of Lutein and Zeaxanthin Stereoisomers in the Human Retina. Experimental Eye Research. 64(2). 211–218. 307 indexed citations

17.

Landrum, John T., et al.. (1996). The Macular Pigment: A Possible Role in Protection from Age-Related Macular Degeneration. Advances in pharmacology. 38. 537–556. 151 indexed citations

18.

Landrum, John T., et al.. (1992). Optical density spectra of the macular pigmentin vivo andin vitro. Vision Research. 32(1). 105–110. 192 indexed citations

19.

Bone, Richard A. & John T. Landrum. (1992). [33] Distribution of macular pigment components, zeaxanthin and lutein, in human retina. Methods in enzymology on CD-ROM/Methods in enzymology. 213. 360–366. 53 indexed citations

20.

Bone, Richard A., et al.. (1985). Preliminary identification of the human macular pigment. Vision Research. 25(11). 1531–1535. 356 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.

Explore authors with similar magnitude of impact