Howard Shields

3.3k total citations · 1 hit paper
49 papers, 2.6k citations indexed

About

Howard Shields is a scholar working on Biophysics, Molecular Biology and Cell Biology. According to data from OpenAlex, Howard Shields has authored 49 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Biophysics, 12 papers in Molecular Biology and 10 papers in Cell Biology. Recurrent topics in Howard Shields's work include Electron Spin Resonance Studies (15 papers), Hemoglobin structure and function (10 papers) and Nitric Oxide and Endothelin Effects (7 papers). Howard Shields is often cited by papers focused on Electron Spin Resonance Studies (15 papers), Hemoglobin structure and function (10 papers) and Nitric Oxide and Endothelin Effects (7 papers). Howard Shields collaborates with scholars based in United States, South Africa and Norway. Howard Shields's co-authors include Walter Gordy, Daniel B. Kim‐Shapiro, Mark T. Gladwin, Alan N. Schechter, Xiuli Xu, W. B. Ard, Rakesh P. Patel, Myron A. Waclawiw, Kris T. Huang and Richard O. Cannon and has published in prestigious journals such as Nature, Proceedings of the National Academy of Sciences and Journal of the American Chemical Society.

In The Last Decade

Howard Shields

49 papers receiving 2.5k 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.

Nitrite reduction to nitric oxide by deoxyhemoglobin vasodilates the human circulation

2003 1.4k citations Xiuli Xu, Howard Shields et al. Nature Medicine profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Howard Shields United States	20	1.3k	559	447	393	382	49	2.6k
Alexandre Samouilov United States	28	2.2k 1.6×	466 0.8×	856 1.9×	507 1.3×	1.0k 2.7×	62	4.3k
Yann Henry France	27	1.3k 1.0×	548 1.0×	819 1.8×	145 0.4×	409 1.1×	78	2.6k
S. Bruce King United States	40	1.8k 1.4×	556 1.0×	1.7k 3.7×	326 0.8×	427 1.1×	126	4.9k
Ernst E. van Faassen Netherlands	29	857 0.6×	159 0.3×	475 1.1×	320 0.8×	173 0.5×	60	2.8k
Amram Samuni Israel	36	1.1k 0.8×	231 0.4×	1.5k 3.3×	180 0.5×	1.5k 4.0×	90	4.5k
Thomas Jue United States	31	1.2k 0.9×	1.3k 2.3×	1.4k 3.1×	409 1.0×	264 0.7×	108	3.7k
Matthew W. Foster United States	30	1.9k 1.4×	396 0.7×	2.2k 4.9×	404 1.0×	130 0.3×	73	4.4k
Jesús Tejero United States	31	1.4k 1.1×	1.0k 1.8×	1.6k 3.6×	295 0.8×	180 0.5×	87	3.8k
Barbora Piknova United States	27	862 0.6×	419 0.7×	537 1.2×	211 0.5×	70 0.2×	61	1.9k
Tambra M. Dunams United States	6	926 0.7×	100 0.2×	533 1.2×	141 0.4×	124 0.3×	10	1.9k

Countries citing papers authored by Howard Shields

Since Specialization

Citations

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

Fields of papers citing papers by Howard Shields

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Howard Shields

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

Shields, Howard, Swati Basu, S. Bruce King, et al.. (2009). An electron paramagnetic resonance study of the affinity of nitrite for methemoglobin. Nitric Oxide. 22(2). 149–154. 22 indexed citations

Basu, Swati, et al.. (2006). Hemoglobin effects in the Saville assay. Nitric Oxide. 15(1). 1–4. 8 indexed citations

Maree, Rachel D., et al.. (2005). Rates of nitric oxide dissociation from hemoglobin. Free Radical Biology and Medicine. 39(2). 145–151. 35 indexed citations

Hunter, Christian J., André Dejam, Arlin B. Blood, et al.. (2004). Inhaled nebulized nitrite is a hypoxia-sensitive NO-dependent selective pulmonary vasodilator. Nature Medicine. 10(10). 1122–1127. 219 indexed citations

Shields, Howard, et al.. (2004). Iron nitrosyl hemoglobin formation from the reaction of hydroxylamine and hemoglobin under physiological conditions. Biochimica et Biophysica Acta (BBA) - General Subjects. 1674(3). 260–267. 11 indexed citations

Shields, Howard, et al.. (2003). Urease enhances the formation of iron nitrosyl hemoglobin in the presence of hydroxyurea. Biochimica et Biophysica Acta (BBA) - General Subjects. 1622(2). 109–116. 21 indexed citations

Xu, Xiuli, Kejing Chen, Zhi Huang, et al.. (2002). Effects of Iron Nitrosylation on Sickle Cell Hemoglobin Solubility. Journal of Biological Chemistry. 277(39). 36787–36792. 21 indexed citations

Rupon, Jeremy, et al.. (2000). The reactions of myoglobin, normal adult hemoglobin, sickle cell hemoglobin and hemin with hydroxyurea. Biophysical Chemistry. 84(1). 1–11. 25 indexed citations

Kim‐Shapiro, Daniel B., et al.. (1999). The reaction of deoxy-sickle cell hemoglobin with hydroxyurea. Biochimica et Biophysica Acta (BBA) - General Subjects. 1428(2-3). 381–387. 21 indexed citations

10.

Shields, Howard, et al.. (1999). Measurement of the Spin Hamiltonian Parameters of Cu²⁺ Ion in Zn²⁺-Doped CaCd(CH₃COO)₄·6H₂O. Japanese Journal of Applied Physics. 38(5R). 2753–2753. 9 indexed citations

11.

Shields, Howard, et al.. (1992). The phase transition temperature at 145 K in cadmium calcium acetate hexahydrate as a function of Cu2+ probe concentration. The Journal of Chemical Physics. 97(1). 482–484. 3 indexed citations

12.

Zhou, Zheng‐Jun, et al.. (1990). An EPR study of the effect of water vapor on the superconductor YBa 2 Cu 3 O y. Solid State Communications. 76(4). 517–520. 5 indexed citations

13.

Shields, Howard, et al.. (1973). Kinetics of the low temperature deamination of radicals in L-alanine and α-aminoisobutyric acid. The Journal of Chemical Physics. 58(8). 3420–3423. 9 indexed citations

14.

Hamrick, Phillip, et al.. (1971). Electron spin resonance study of x-irradiated single crystals of semicarbazide.. PubMed. 48(2). 234–43. 4 indexed citations

15.

Shields, Howard, et al.. (1967). Electron Spin Resonance of X-Irradiated Valines. The Journal of Chemical Physics. 46(9). 3649–3652. 22 indexed citations

16.

Shields, Howard, et al.. (1963). The (CH 3 ) 2 CCOOH Radical in X-Irradiated a-Hydroxyisobutyric Acid. Radiation Research. 20(3). 443–443. 1 indexed citations

17.

Gordy, Walter & Howard Shields. (1960). STRUCTURE AND ORIENTATION OF FREE RADICALS FORMED BY IONIZING RADIATIONS IN CERTAIN NATIVE PROTEINS. Proceedings of the National Academy of Sciences. 46(8). 1124–1136. 37 indexed citations

18.

Shields, Howard & Walter Gordy. (1958). Electron Spin Resonance Studies of Radiation Damage to Amino Acids. The Journal of Physical Chemistry. 62(7). 789–798. 57 indexed citations

19.

Shields, Howard, W. B. Ard, & Walter Gordy. (1956). Microwave Detection of Metallic Ions and Organic Radicals in Plant Materials. Nature. 177(4517). 984–985. 26 indexed citations

20.

Gordy, Walter, W. B. Ard, & Howard Shields. (1955). MICROWAVE SPECTROSCOPY OF BIOLOGICAL SUBSTANCES. II. PARAMAGNETIC RESONANCE IN X-IRRADIATED CARBOXYLIC AND HYDROXY ACIDS. Proceedings of the National Academy of Sciences. 41(11). 996–1004. 16 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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