Patrick J. Roach

4.3k total citations · 1 hit paper
25 papers, 3.4k citations indexed

About

Patrick J. Roach is a scholar working on Spectroscopy, Atomic and Molecular Physics, and Optics and Materials Chemistry. According to data from OpenAlex, Patrick J. Roach has authored 25 papers receiving a total of 3.4k indexed citations (citations by other indexed papers that have themselves been cited), including 9 papers in Spectroscopy, 8 papers in Atomic and Molecular Physics, and Optics and 8 papers in Materials Chemistry. Recurrent topics in Patrick J. Roach's work include Mass Spectrometry Techniques and Applications (8 papers), Advanced Chemical Physics Studies (8 papers) and Analytical Chemistry and Chromatography (5 papers). Patrick J. Roach is often cited by papers focused on Mass Spectrometry Techniques and Applications (8 papers), Advanced Chemical Physics Studies (8 papers) and Analytical Chemistry and Chromatography (5 papers). Patrick J. Roach collaborates with scholars based in United States, Germany and Netherlands. Patrick J. Roach's co-authors include Julia Laskin, Shiv N. Khanna, Alexander Laskin, A. W. Castleman, Brandi S. Heath, Arthur C. Reber, A. W. Castleman, Denis E. Bergeron, N. O. Jones and W. Hunter Woodward 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

Patrick J. Roach

25 papers receiving 3.3k 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.

Mass spectral molecular networking of living microbial colonies

2012 717 citations Jeramie D. Watrous, Patrick J. Roach et al. Proceedings of the National Academy of Sciences profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Patrick J. Roach United States	21	1.1k	1.1k	910	509	499	25	3.4k
William A. Donald Australia	36	481 0.4×	1.3k 1.3×	1.3k 1.5×	415 0.8×	118 0.2×	143	3.6k
P. Mayer Canada	31	309 0.3×	1.1k 1.1×	398 0.4×	1.3k 2.6×	492 1.0×	187	3.5k
Tetsuo Okada Japan	31	433 0.4×	1.1k 1.0×	499 0.5×	373 0.7×	322 0.6×	246	3.7k
Stephen J. Blanksby Australia	41	453 0.4×	3.3k 3.1×	3.1k 3.4×	836 1.6×	352 0.7×	231	6.2k
Chahan Yeretzian Switzerland	39	870 0.8×	549 0.5×	211 0.2×	631 1.2×	206 0.4×	124	4.0k
Keith R. Jennings United Kingdom	31	361 0.3×	2.4k 2.3×	767 0.8×	884 1.7×	181 0.4×	158	4.6k
Éric Hénon France	17	971 0.9×	353 0.3×	337 0.4×	442 0.9×	372 0.7×	55	3.5k
Pengfei Li China	25	752 0.7×	337 0.3×	1.9k 2.1×	570 1.1×	124 0.2×	105	4.1k
José M. Lluch Spain	41	1.4k 1.3×	783 0.7×	1.5k 1.6×	1.9k 3.7×	414 0.8×	293	6.0k
Àngels González‐Lafont Spain	32	534 0.5×	681 0.6×	837 0.9×	1.6k 3.1×	701 1.4×	142	3.6k

Countries citing papers authored by Patrick J. Roach

Since Specialization

Citations

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

Fields of papers citing papers by Patrick J. Roach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Patrick J. Roach. 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 Patrick J. Roach. The network helps show where Patrick J. Roach may publish in the future.

Co-authorship network of co-authors of Patrick J. Roach

This figure shows the co-authorship network connecting the top 25 collaborators of Patrick J. Roach. A scholar is included among the top collaborators of Patrick J. Roach 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 Patrick J. Roach. Patrick J. Roach 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

Lopez‐Avila, Viorica, Patrick J. Roach, & Randall Urdahl. (2015). Determination of Chlorophenoxy Acid Methyl Esters and Other Chlorinated Herbicides by GC High-resolution QTOFMS and Soft lonization. PubMed. 10. ACI.S21901–ACI.S21901. 3 indexed citations

Laskin, Julia, Alexander Laskin, Sergey A. Nizkorodov, et al.. (2014). Molecular Selectivity of Brown Carbon Chromophores. Environmental Science & Technology. 48(20). 12047–12055. 104 indexed citations

Watrous, Jeramie D., Patrick J. Roach, Theodore Alexandrov, et al.. (2012). Mass spectral molecular networking of living microbial colonies. Proceedings of the National Academy of Sciences. 109(26). E1743–52. 717 indexed citations breakdown →

Laskin, Julia, et al.. (2012). Chemical Analysis of Complex Organic Mixtures Using Reactive Nanospray Desorption Electrospray Ionization Mass Spectrometry. Analytical Chemistry. 84(16). 7179–7187. 47 indexed citations

Roach, Patrick J., et al.. (2011). Chemical Characterization of Crude Petroleum Using Nanospray Desorption Electrospray Ionization Coupled with High-Resolution Mass Spectrometry. Analytical Chemistry. 84(3). 1517–1525. 62 indexed citations

Laskin, Julia, Brandi S. Heath, Patrick J. Roach, Lisa H. Cazares, & O. John Semmes. (2011). Tissue Imaging Using Nanospray Desorption Electrospray Ionization Mass Spectrometry. Analytical Chemistry. 84(1). 141–148. 278 indexed citations

Roach, Patrick J., Julia Laskin, & Alexander Laskin. (2010). Nanospray desorption electrospray ionization: an ambient method for liquid-extraction surface sampling in mass spectrometry. The Analyst. 135(9). 2233–2233. 384 indexed citations

Reber, Arthur C., Shiv N. Khanna, Patrick J. Roach, W. Hunter Woodward, & A. W. Castleman. (2010). Reactivity of Aluminum Cluster Anions with Water: Origins of Reactivity and Mechanisms for H₂ Release. The Journal of Physical Chemistry A. 114(20). 6071–6081. 94 indexed citations

Roach, Patrick J., Julia Laskin, & Alexander Laskin. (2010). Molecular Characterization of Organic Aerosols Using Nanospray-Desorption/Electrospray Ionization-Mass Spectrometry. Analytical Chemistry. 82(19). 7979–7986. 99 indexed citations

10.

Xu, Kehua, et al.. (2010). Study of Highly Selective and Efficient Thiol Derivatization Using Selenium Reagents by Mass Spectrometry. Analytical Chemistry. 82(16). 6926–6932. 80 indexed citations

11.

Roach, Patrick J., W. Hunter Woodward, Arthur C. Reber, Shiv N. Khanna, & A. W. Castleman. (2010). Crystal field effects on the reactivity of aluminum-copper cluster anions. Physical Review B. 81(19). 52 indexed citations

12.

Roach, Patrick J., W. Hunter Woodward, A. W. Castleman, Arthur C. Reber, & Shiv N. Khanna. (2009). Complementary Active Sites Cause Size-Selective Reactivity of Aluminum Cluster Anions with Water. Science. 323(5913). 492–495. 249 indexed citations

13.

Kelley, Patrick, et al.. (2008). Improved Anti-Submarine Warfare (ASW) effectiveness MSSE Capstone Project. Calhoun: The Naval Postgraduate School Institutional Archive (Naval Postgraduate School). 2 indexed citations

14.

Roach, Patrick J., et al.. (2007). Al ₄ H ₇ ⁻ is a resilient building block for aluminum hydrogen cluster materials. Proceedings of the National Academy of Sciences. 104(37). 14565–14569. 57 indexed citations

15.

Reber, Arthur C., et al.. (2007). Spin Accommodation and Reactivity of Aluminum Based Clusters with O₂. Journal of the American Chemical Society. 129(51). 16098–16101. 142 indexed citations

16.

Jones, N. O., J. Ulises Reveles, Shiv N. Khanna, et al.. (2006). Structural, electronic, and chemical properties of multiply iodized aluminum clusters. The Journal of Chemical Physics. 124(15). 154311–154311. 39 indexed citations

17.

Reveles, J. Ulises, Shiv N. Khanna, Patrick J. Roach, & A. W. Castleman. (2006). Multiple valence superatoms. Proceedings of the National Academy of Sciences. 103(49). 18405–18410. 193 indexed citations

18.

Bergeron, Denis E., Patrick J. Roach, A. W. Castleman, N. O. Jones, & Shiv N. Khanna. (2005). Al Cluster Superatoms as Halogens in Polyhalides and as Alkaline Earths in Iodide Salts. Science. 307(5707). 231–235. 386 indexed citations

19.

Anwar, Muhammad, et al.. (2000). From legislation to integration? : race relations in Britain. 4 indexed citations

20.

Roach, Patrick J. & Marlene Morrison. (1999). Pursuing the wind of change. 8(4). 112–117. 9 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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