World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
44
Citations
5171
World Ranking
17032
National Ranking
4193

Paul A. Loach publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Paul A. Loach sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 114 publications — 4th percentile

4% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Paul A. Loach D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Paul A. Loach sits on this spectrum.

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 44 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2001 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Paul A. Loach is affiliated with Northwestern University in the United States. Their academic profile is notable for receiving the distinction of Fellow of the American Association for the Advancement of Science (AAAS) in 2001.

Their research contributions span several areas within scientific inquiry, though specific fields of study or subfields have not been detailed in the available data. Additionally, there are no publicly listed recent papers, frequent co-authors, or specific publication venues associated with their work at this time.

No data is available regarding book publications or the main topics covered in their research. However, the recognition by AAAS points to a status within the broader scientific community that involves contributions of significance.

The available information highlights the scientist's association with a leading academic institution, Northwestern University, which is known for its extensive research activities across multiple disciplines. Their award signals peer acknowledgment reflecting a level of influence or contribution to their field.

Best Publications

  • The synthesis of some substituted tetraarylporphyrins

    Robert G. Little;John A. Anton;Paul A. Loach;James A. Ibers

  • Reconstitution of the B873 light-harvesting complex of Rhodospirillum rubrum from the separately isolated alpha- and beta-polypeptides and bacteriochlorophyll a.

    Pamela S. Parkes-Loach;James R. Sprinkle;Paul A. Loach

  • Isolation and characterization of a subunit form of the light-harvesting complex of Rhodospirillum rubrum

    J. F. Miller;S. B. Hinchigeri;P. S. Parkes-Loach;P. M. Callahan

  • Oxidation-linked Proton Functions in Heme Octa- and Undecapeptides from Mammalian Cytochrome c

    Unknown

  • MOLECULAR INTERACTION OF ISOALLOXAZINE DERIVATIVES. II.

    Henry A. Harbury;Kathryn F. LaNoue;Paul A. Loach;Robert M. Amick

  • Oxidation States of Manganese Hematoporphyrin IX in Aqueous Solution

    Paul A. Loach;Paul A. Loach;Melvin Calvin

  • Absorption Changes in Bacterial Chromatophores

    Irwin D. Kuntz;Paul A. Loach;Melvin Calvin

  • Fluorescence polarization and low-temperature absorption spectroscopy of a subunit form of light-harvesting complex I from purple photosynthetic bacteria.

    R. W. Visschers;M. C. Chang;F. Van Mourik;P. S. Parkes-Loach

  • STUDIES OF CHLOROPHYLL‐CHLOROPHYLL AND CHLOROPHYLL‐LIGAND INTERACTIONS BY VISIBLE ABSORPTION AND INFRARED SPECTROSCOPY AT LOW TEMPERATURES

    T. M. Cotton;Paul A Loach;J. J. Katz;K. Ballschmiter

  • VARIATION IN ELECTRON PARAMAGNETIC RESONANCE SIGNALS OF PHOTOSYNTHETIC SYSTEMS WTTH THE REDOX LEVEL OF THEIR ENVIRONMENT

    Paul A. Loach;G. M. Androes;Ann F. Maksim;Melvin Calvin

  • Spectroscopic characterization of the light-harvesting complex of Rhodospirillum rubrum and its structural subunit.

    Mary C. Chang;Patricia M. Callahan;Pamela S. Parkes-Loach;Therese M. Cotton

  • Biohybrid photosynthetic antenna complexes for enhanced light-harvesting

    Joseph W. Springer;Pamela S. Parkes-Loach;Kanumuri Ramesh Reddy;Michael Krayer

  • Primary Oxidation-Reduction Changes during Photosynthesis in Rhodospirillum rubrum*

    Paul A. Loach

  • TRANSFER OF EXCITATION ENERGY BETWEEN PORPHYRIN CENTERS OF A COVALENTLY-LINKED DIMER*

    John A. Anton;Paul A. Loach

  • Enzymatic and chemical cleavage of the core light-harvesting polypeptides of photosynthetic bacteria: determination of the minimal polypeptide size and structure required for subunit and light-harvesting complex formation.

    Kelley A. Meadows;Kouji Iida;Kazuichi Tsuda;Paul A. Recchia

  • Quantitative dissolution of the membrane and preparation of photoreceptor subunits from Rhodopseudomonas spheroides.

    Paul A. Loach;Diane L. Sekura;R. M. Hadsell;A. Stemer

  • Exciton interactions in the light-harvesting antenna of photosynthetic bacteria studied with triplet-singlet spectroscopy and singlet-triplet annihilation on the B820 subunit form of Rhodospirillum rubrum

    Frank van Mourik;Cornelis J.R. van der Oord;Kees J. Visscher;Pamela S. Parkes-Loach

  • Reconstitution of the Bacterial Core Light-harvesting Complexes of Rhodobacter sphaeroides and Rhodospirillum rubrum with Isolated α- and β-Polypeptides, Bacteriochlorophyll a, and Carotenoid (∗)

    Christine M. Davis;Peggy L. Bustamante;Paul A. Loach

  • Primary photochemistry and electron transport in Rhodospirillum rubrum.

    Paul A. Loach;Diane L. Sekura

  • Preparation of cytochrome c2 from Rhodospirillum rubrum.

    Unknown

  • Probing the bacteriochlorophyll binding site by reconstitution of the light-harvesting complex of Rhodospirillum rubrum with bacteriochlorophyll a analogues

    Pamela S. Parkes-Loach;Tomasz J. Michalski;Tomasz J. Michalski;Wendy J. Bass;Wendy J. Bass;Ursula Smith;Ursula Smith

  • The solution structure of Rhodobacter sphaeroides LH1β reveals two helical domains separated by a more flexible region: structural consequences for the LH1 complex

    Conroy Mj;Westerhuis Wh;Parkes-Loach Ps;Loach Pa

Frequent Co-Authors

Dewey Holten
Dewey Holten Washington University in St. Louis
David F. Bocian
David F. Bocian University of California, Riverside
Christine Kirmaier
Christine Kirmaier Washington University in St. Louis
Jonathan S. Lindsey
Jonathan S. Lindsey North Carolina State University
C. Neil Hunter
C. Neil Hunter University of Sheffield
Michael P. Williamson
Michael P. Williamson University of Sheffield
Joseph J. Katz
Joseph J. Katz Argonne National Laboratory
Robert A. Bambara
Robert A. Bambara University of Rochester
Melvin Calvin
Melvin Calvin University of California, Berkeley
Herbert Zuber
Herbert Zuber ETH Zurich

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