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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 46 15895 14339 877 782 215 9515

A. John Blacker publications per year

The chart shows the history of publications by A. John Blacker between 1953 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. A. John Blacker published across 73 years, from 1953 to 2025, averaging 3.9 papers a year. Output peaked at 30 publications in 2016. 5 of the 287 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1953 to 2025. Vertical axis: number of publications, 0 to 30. Peak 30 publications in 2016. 1953: 1 publication 1954: 0 publications 1955: 1 publication 1956: 0 publications 1957: 0 publications 1958: 0 publications 1959: 0 publications 1960: 0 publications 1961: 0 publications 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 1 publication 1977: 1 publication 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 1 publication 1987: 3 publications 1988: 4 publications 1989: 0 publications 1990: 2 publications 1991: 1 publication 1992: 1 publication 1993: 0 publications 1994: 5 publications 1995: 2 publications 1996: 4 publications 1997: 5 publications 1998: 4 publications 1999: 7 publications 2000: 4 publications 2001: 12 publications 2002: 3 publications 2003: 7 publications 2004: 10 publications 2005: 6 publications 2006: 16 publications 2007: 16 publications 2008: 4 publications 2009: 20 publications 2010: 21 publications 2011: 6 publications 2012: 0 publications 2013: 9 publications 2014: 14 publications 2015: 12 publications 2016: 30 publications 2017: 3 publications 2018: 6 publications 2019: 6 publications 2020: 7 publications 2021: 16 publications 2022: 6 publications 2023: 5 publications 2024: 4 publications 2025: 1 publication
1953 2025

287 publications in total across all disciplines

View publications per year as a table
A. John Blacker: publications per year, 1953 to 2025
Year Publications
1953 1
1954 0
1955 1
1956 0
1957 0
1958 0
1959 0
1960 0
1961 0
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 1
1977 1
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 1
1987 3
1988 4
1989 0
1990 2
1991 1
1992 1
1993 0
1994 5
1995 2
1996 4
1997 5
1998 4
1999 7
2000 4
2001 12
2002 3
2003 7
2004 10
2005 6
2006 16
2007 16
2008 4
2009 20
2010 21
2011 6
2012 0
2013 9
2014 14
2015 12
2016 30
2017 3
2018 6
2019 6
2020 7
2021 16
2022 6
2023 5
2024 4
2025 1
Total 287
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A. John Blacker 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 A. John Blacker sits on this spectrum.

No. of scientists
250 500 750 1,000 1,250
Bar chart with 63 bars. Horizontal axis: publications, 61–80 to 1,295+. Vertical axis: number of scientists, 0 to 1,350. Most scientists, 1,350, have 161–180 publications. The last bar groups every scientist with 1,295 publications or more. The highlighted bar, 201–220 publications, is where this scientist sits. 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
61–80 publications 1,295+

This scientist: 215 publications — 38th percentile

38% of scientists in this discipline score the same or lower.

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

View publications distribution as a table
Number of Chemistry scientists by publication count, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
Publications Scientists This scientist
61–80 66
81–100 302
101–120 623
121–140 918
141–160 1,218
161–180 1,350
181–200 1,344
201–220 1,281 215
221–240 1,216
241–260 1,100
261–280 979
281–300 939
301–320 764
321–340 643
341–360 628
361–380 522
381–400 459
401–420 397
421–440 327
441–460 270
461–480 265
481–500 252
501–520 201
521–540 185
541–560 148
561–580 148
581–600 132
601–620 114
621–640 104
641–660 91
661–680 92
681–700 73
701–720 57
721–740 54
741–760 67
761–780 45
781–800 46
801–820 39
821–840 32
841–860 36
861–880 29
881–900 26
901–920 24
921–940 14
941–960 23
961–980 28
981–1,000 15
1,001–1,020 29
1,021–1,040 12
1,041–1,060 19
1,061–1,080 12
1,081–1,100 6
1,101–1,120 8
1,121–1,140 12
1,141–1,160 5
1,161–1,180 6
1,181–1,200 14
1,201–1,220 7
1,221–1,240 2
1,241–1,260 6
1,261–1,280 4
1,281–1,294 6
1,295+ 100
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A. John Blacker 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 A. John Blacker sits on this spectrum.

No. of scientists
250 500 750 1,000
Bar chart with 61 bars. Horizontal axis: D-Index, 40–41 to 159+. Vertical axis: number of scientists, 0 to 1,051. Most scientists, 1,051, have 56–57 D-Index. The last bar groups every scientist with 159 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 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
40–41 D-Index 159+

This scientist: 46 D-Index — 12th percentile

12% of scientists in this discipline score the same or lower.

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

View D-Index distribution as a table
Number of Chemistry scientists by D-index, Research.com 2026 ranking edition. Based on 17,934 ranked scientists.
D-Index Scientists This scientist
40–41 289
42–43 612
44–45 808
46–47 776 46
48–49 835
50–51 861
52–53 872
54–55 933
56–57 1,051
58–59 930
60–61 882
62–63 834
64–65 731
66–67 775
68–69 683
70–71 646
72–73 561
74–75 501
76–77 437
78–79 388
80–81 354
82–83 292
84–85 275
86–87 254
88–89 235
90–91 185
92–93 192
94–95 155
96–97 163
98–99 125
100–101 105
102–103 105
104–105 112
106–107 88
108–109 68
110–111 69
112–113 65
114–115 79
116–117 61
118–119 44
120–121 37
122–123 40
124–125 33
126–127 26
128–129 34
130–131 35
132–133 25
134–135 27
136–137 17
138–139 16
140–141 20
142–143 20
144–145 15
146–147 9
148–149 9
150–151 16
152–153 11
154–155 9
156–157 3
158 3
159+ 98
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Overview

A. John Blacker is affiliated with the University of Leeds in the United Kingdom, with a research portfolio spanning engineering and chemistry. Their work focuses on subfields including biomedical engineering, materials chemistry, molecular biology, organic chemistry, and inorganic chemistry.

The scientist's research covers several main topics such as innovative microfluidic and catalytic techniques innovation, microfluidic and capillary electrophoresis applications, crystallization and solubility studies, analytical chemistry and chromatography, chemical synthesis and analysis, computational drug discovery methods, and anaerobic digestion and biogas production.

Blacker has published extensively in notable venues. The most frequent publication venues include:

  • Journal of Flow Chemistry
  • Organic Process Research & Development
  • Reaction Chemistry & Engineering
  • The Cambridge Structural Database
  • Angewandte Chemie International Edition

Their recent papers illustrate a diverse research focus, such as:

  • Machine learning with physicochemical relationships: solubility prediction in organic solvents and water, 2020, Nature Communications
  • Bayesian Self-Optimization for Telescoped Continuous Flow Synthesis, 2022, Angewandte Chemie International Edition
  • Flow chemistry for process optimisation using design of experiments, 2021, Journal of Flow Chemistry
  • Direct synthesis of amides from nonactivated carboxylic acids using urea as nitrogen source and Mg(NO3)2 or imidazole as catalysts, 2020, Chemical Science
  • The effect of augmentation of biochar and hydrochar in anaerobic digestion of a model substrate, 2020, Bioresource Technology

Frequent collaborators in their work include:

  • Nikil Kapur
  • Richard A. Bourne
  • Martin F. Jones
  • Thomas W. Chamberlain
  • Adam D. Clayton

A. John Blacker's research integrates various aspects of chemical synthesis, flow chemistry, and analytical techniques, contributing to advancements in both fundamental and applied sciences.

Best Publications

  • Asymmetric transfer hydrogenation of ketones with bifunctional transition metal-based molecular catalysts.

    Takao Ikariya;A. John Blacker

  • Copper catalysed Ullmann type chemistry: From mechanistic aspects to modern development

    Carlo Sambiagio;Stephen P. Marsden;A. John Blacker;Patrick C. McGowan

  • Multiple molecular recognition and catalysis. A multifunctional anion receptor bearing an anion binding site, an intercalating group, and a catalytic site for nucleotide binding and hydrolysis

    Mir Wais Hosseini;A. John Blacker;Jean Marie Lehn

  • Synthesis of benzazoles by hydrogen-transfer catalysis.

    A J Blacker;M M Farah;M I Hall;S P Marsden

  • Machine learning with physicochemical relationships: solubility prediction in organic solvents and water

    Samuel Boobier;David R. J. Hose;A. John Blacker;Bao N. Nguyen

  • Iridium-catalysed amine alkylation with alcohols in water

    Ourida Saidi;A. John Blacker;Mohamed M. Farah;Stephen P. Marsden

  • The flow's the thing..or is it? Assessing the merits of homogeneous reactions in flask and flow.

    Fernando E. Valera;Michela Quaranta;Antonio Moran;John Blacker

  • Selective Amine Cross‐Coupling Using Iridium‐Catalyzed “Borrowing Hydrogen” Methodology

    Ourida Saidi;A. John Blacker;Mohamed M. Farah;Stephen P. Marsden

  • Practical Preparation and Resolution of 1-(2‘-Diphenylphosphino-1‘-naphthyl)isoquinoline: A Useful Ligand for Catalytic Asymmetric Synthesis

    Chung Woo Lim;Olivier Tissot;Andrew Mattison;Mark W. Hooper

  • Efficient rhodium and iridium-catalysed asymmetric transfer hydrogenation using water-soluble aminosulfonamide ligands

    Tim Thorpe;John Blacker;Stephen M Brown;Christian Bubert

  • A Survey of the Borrowing Hydrogen Approach to the Synthesis of some Pharmaceutically Relevant Intermediates

    John Leonard;A. John Blacker;Stephen P. Marsden;Martin F. Jones

  • Synthesis of water-soluble aminosulfonamide ligands and their application in enantioselective transfer hydrogenation

    Christian Bubert;John Blacker;Stephen M Brown;John Crosby

  • Automated self-optimisation of multi-step reaction and separation processes using machine learning

    Adam D. Clayton;Artur M. Schweidtmann;Graeme Clemens;Jamie A. Manson

  • Catalytic Racemisation of Chiral Amines and Application in Dynamic Kinetic Resolution

    A. John Blacker;Matthew J. Stirling;Michael I. Page

  • Online quantitative mass spectrometry for the rapid adaptive optimisation of automated flow reactors

    Nicholas Holmes;Geoffrey R. Akien;Geoffrey R. Akien;Robert J. D. Savage;Christian Stanetty

  • Catalytic, asymmetric synthesis of cyanohydrin ethyl carbonates.

    Yuri N. Belokon;A. John Blacker;and Lisa A. Clutterbuck;Michael North

  • Self-optimisation of the final stage in the synthesis of EGFR kinase inhibitor AZD9291 using an automated flow reactor

    Nicholas Holmes;Geoffrey Richard Akien;Geoffrey Richard Akien;A. John Blacker;Robert L. Woodward

  • Chemoenzymatic dynamic kinetic resolution of secondary amines

    Unknown

  • Borrowing Hydrogen in Water and Ionic Liquids: Iridium-Catalyzed Alkylation of Amines with Alcohols

    Ourida Saidi;A. John Blacker;Gareth W. Lamb;Stephen P. Marsden

  • Iminium salt catalysts for asymmetric epoxidation: the first high enantioselectivities.

    Philip C. Bulman Page;Benjamin R. Buckley;A. John Blacker

  • Synthetic and mechanistic studies on asymmetric cyanohydrin synthesis using a titanium(salen) bimetallic catalyst

    Yuri N. Belokon;A. John Blacker;Paola Carta;Lisa A. Clutterbuck

  • Molecular Anion Binding and Substrate Photooxidation in Visible Light by 2,7-Diazapyrenium Cations

    A. John Blacker;Jaroslaw Jazwinski;Jean-Marie Lehn

Frequent Co-Authors

Jonathan M. J. Williams
Jonathan M. J. Williams University of Bath
Philip C. Bulman Page
Philip C. Bulman Page University of East Anglia
Jean-Marie Lehn
Jean-Marie Lehn University of Strasbourg
Yuri N. Belokon
Yuri N. Belokon A. N. Nesmeyanov Institute of Organoelement Compounds
Derek R. Boyd
Derek R. Boyd Queen's University Belfast
Nicholas J. Turner
Nicholas J. Turner University of Manchester
Howard Dalton
Howard Dalton University of Warwick
Odile Eisenstein
Odile Eisenstein University of Montpellier
Mark R. J. Elsegood
Mark R. J. Elsegood Loughborough University
Simon B. Duckett
Simon B. Duckett University of York

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