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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 45 16260 14672 29 27 238 10817

John Mack publications per year

The chart shows the history of publications by John Mack between 1966 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. John Mack published across 60 years, from 1966 to 2025, averaging 4.5 papers a year. Output peaked at 23 publications in 2017. 32 of the 268 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1966 to 2025. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2017. 1966: 1 publication 1967: 0 publications 1968: 0 publications 1969: 1 publication 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 1 publication 1977: 0 publications 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: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 2 publications 1993: 0 publications 1994: 1 publication 1995: 1 publication 1996: 0 publications 1997: 2 publications 1998: 0 publications 1999: 1 publication 2000: 1 publication 2001: 3 publications 2002: 2 publications 2003: 2 publications 2004: 1 publication 2005: 1 publication 2006: 2 publications 2007: 3 publications 2008: 5 publications 2009: 2 publications 2010: 2 publications 2011: 11 publications 2012: 13 publications 2013: 8 publications 2014: 17 publications 2015: 14 publications 2016: 17 publications 2017: 23 publications 2018: 17 publications 2019: 18 publications 2020: 12 publications 2021: 20 publications 2022: 19 publications 2023: 13 publications 2024: 16 publications 2025: 16 publications
1966 2025

268 publications in total across all disciplines

View publications per year as a table
John Mack: publications per year, 1966 to 2025
Year Publications
1966 1
1967 0
1968 0
1969 1
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 1
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 2
1993 0
1994 1
1995 1
1996 0
1997 2
1998 0
1999 1
2000 1
2001 3
2002 2
2003 2
2004 1
2005 1
2006 2
2007 3
2008 5
2009 2
2010 2
2011 11
2012 13
2013 8
2014 17
2015 14
2016 17
2017 23
2018 17
2019 18
2020 12
2021 20
2022 19
2023 13
2024 16
2025 16
Total 268
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John Mack 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 John Mack 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, 221–240 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: 238 publications — 46th percentile

46% 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
221–240 1,216 238
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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John Mack 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 John Mack 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, 44–45 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: 45 D-Index — 10th percentile

10% 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 45
46–47 776
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

John Mack is affiliated with Rhodes University in South Africa and has a research focus primarily in the fields of Materials Science and Engineering. Their work spans several interconnected subfields including Materials Chemistry, Biomedical Engineering, Pulmonary and Respiratory Medicine, Renewable Energy, Sustainability and the Environment, and Electrochemistry.

The scientist's publications concentrate on core topics such as Porphyrin and Phthalocyanine Chemistry, Photodynamic Therapy Research Studies, Nanoplatforms for cancer theranostics, Luminescence and Fluorescent Materials, Electrocatalysts for Energy Conversion, Electrochemical Analysis and Applications, and Nonlinear Optical Materials Studies.

Frequent publication venues for John Mack include:

  • Journal of Porphyrins and Phthalocyanines
  • Dyes and Pigments
  • The Cambridge Structural Database
  • Dalton Transactions
  • SSRN Electronic Journal

Notable recent papers authored or co-authored by John Mack are:

  • A simple quinoline-thiophene Schiff base turn-off chemosensor for Hg2+ detection: spectroscopy, sensing properties and applications (2021, Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy)
  • An imidazole-based fluorescent probe for the Mercury(II) Ion with rapid response in vitro (2023, Dyes and Pigments)
  • Sn(iv) N-confused porphyrins as photosensitizer dyes for photodynamic therapy in the near IR region (2020, Dalton Transactions)
  • Non-aggregated lipophilic water-soluble tin porphyrins as photosensitizers for photodynamic therapy and photodynamic antimicrobial chemotherapy (2020, New Journal of Chemistry)
  • Indium phthalocyanines: Comparative photophysicochemical properties and photodynamic antimicrobial activities against Staphylococcus aureus and Escherichia coli (2021, Journal of Molecular Structure)

John Mack has collaborated extensively with several researchers, with frequent co-authors including:

  • Tebello Nyokong
  • Balaji Babu
  • Rodah C. Soy
  • Nagao Kobayashi
  • Aviwe K. May

Best Publications

  • Structural modification strategies for the rational design of red/NIR region BODIPYs

    Hua Lu;Hua Lu;John Mack;Yongchao Yang;Zhen Shen

  • Photochemistry of nitrite and nitrate in aqueous solution: a review

    John Mack;James R. Bolton

  • Low Symmetry Phthalocyanines and Their Analogues

    John Mack;Nagao Kobayashi

  • Application of MCD spectroscopy to porphyrinoids

    John Mack;John Mack;Martin J. Stillman;Nagao Kobayashi

  • DEGRADATION PATHWAYS DURING THE TREATMENT OF METHYL TERT-BUTYL ETHER BY THE UV/H2O2 PROCESS

    Mihaela I. Stefan;John Mack;James R. Bolton

  • Photochemical Formation of the Anion Radical of Zinc Phthalocyanine and Analysis of the Absorption and Magnetic Circular Dichroism Spectral Data. Assignment of the Optical Spectrum of [ZnPc(-3)]-

    John Mack;Martin J. Stillman

  • Assignment of the optical spectra of metal phthalocyanines through spectral band deconvolution analysis and zindo calculations

    John Mack;Martin J Stillman

  • Application of MCD spectroscopy and TD-DFT to a highly non-planar porphyrinoid ring system. New insights on red-shifted porphyrinoid spectral bands.

    John Mack;Yoshiaki Asano;Nagao Kobayashi;Martin J. Stillman

  • Expanded, Contracted, and Isomeric Porphyrins: Theoretical Aspects.

    John Mack

  • Optically active BODIPYs

    Hua Lu;John Mack;Tebello Nyokong;Nagao Kobayashi

  • Synthesis and spectroscopic properties of fused-ring-expanded aza-boradiazaindacenes.

    Hua Lu;Soji Shimizu;John Mack;Zhen Shen

  • A facile one-pot synthesis of meso-aryl-substituted [14]triphyrin(2.1.1).

    Zhao-Li Xue;Zhen Shen;John Mack;Daiki Kuzuhara

  • A red fluorescent turn-on probe for hydrogen sulfide and its application in living cells

    Xingyu Qu;Cuijuan Li;Huachao Chen;John Mack

  • Methodological Survey of Simplified TD-DFT Methods for Fast and Accurate Interpretation of UV-Vis-NIR Spectra of Phthalocyanines.

    Alexander G. Martynov;John Mack;Aviwe K. May;Tebello Nyokong

  • Assignment of the Optical Spectra of Metal Phthalocyanine Anions

    John Mack;Martin J. Stillman

  • 103 – Electronic Structures of Metal Phthalocyanine and Porphyrin Complexes from Analysis of the UV–Visible Absorption and Magnetic Circular Dichroism Spectra and Molecular Orbital Calculations

    John Mack;Martin J. Stillman

  • Organosilicon compounds as fluorescent chemosensors for fluoride anion recognition

    Lizhi Gai;Lizhi Gai;John Mack;Hua Lu;Hua Lu;Tebello Nyokong

  • Electronic structure of reduced symmetry peripheral fused-ring-substituted phthalocyanines.

    Nagao Kobayashi;John Mack;and Kazuyuki Ishii;Martin J. Stillman

  • Phosphorus(V)-corrole: synthesis, spectroscopic properties, theoretical calculations, and potential utility for in vivo applications in living cells.

    Xu Liang;John Mack;John Mack;Li Min Zheng;Zhen Shen

  • Spectroscopy and electronic structure of electron deficient zinc phthalocyanines.

    Steven P. Keizer;John Mack;Barbara A. Bench;Sergiu M. Gorun

  • A selective colorimetric and fluorometric ammonium ion sensor based on the H-aggregation of an aza-BODIPY with fused pyrazine rings

    Hanzhuang Liu;John Mack;Qiuli Guo;Hua Lu

Frequent Co-Authors

Tebello Nyokong
Tebello Nyokong Rhodes University
Nagao Kobayashi
Nagao Kobayashi Tokyo Institute of Technology
Zhen Shen
Zhen Shen Nanjing University
Martin J. Stillman
Martin J. Stillman University of Western Ontario
Hiroko Yamada
Hiroko Yamada Nara Institute of Science and Technology
Yue Zhao
Yue Zhao Nanjing University
Karl M. Kadish
Karl M. Kadish University of Houston
David E. Heinrichs
David E. Heinrichs University of Western Ontario
Zheng Xu
Zheng Xu Beijing Jiaotong University
Kazuo Takimiya
Kazuo Takimiya Tohoku University

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