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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 55 12252 11032 101 97 294 9692

Fernando Pina publications per year

The chart shows the history of publications by Fernando Pina between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Fernando Pina published across 47 years, from 1979 to 2025, averaging 7 papers a year. Output peaked at 16 publications in 2013. 14 of the 328 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2013. 1979: 1 publication 1980: 0 publications 1981: 3 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 2 publications 1986: 1 publication 1987: 0 publications 1988: 3 publications 1989: 2 publications 1990: 2 publications 1991: 1 publication 1992: 4 publications 1993: 4 publications 1994: 6 publications 1995: 4 publications 1996: 5 publications 1997: 6 publications 1998: 11 publications 1999: 11 publications 2000: 7 publications 2001: 13 publications 2002: 12 publications 2003: 12 publications 2004: 14 publications 2005: 6 publications 2006: 5 publications 2007: 10 publications 2008: 9 publications 2009: 12 publications 2010: 12 publications 2011: 10 publications 2012: 11 publications 2013: 16 publications 2014: 15 publications 2015: 10 publications 2016: 11 publications 2017: 12 publications 2018: 10 publications 2019: 12 publications 2020: 7 publications 2021: 9 publications 2022: 6 publications 2023: 6 publications 2024: 8 publications 2025: 6 publications
1979 2025

328 publications in total across all disciplines

View publications per year as a table
Fernando Pina: publications per year, 1979 to 2025
Year Publications
1979 1
1980 0
1981 3
1982 0
1983 0
1984 1
1985 2
1986 1
1987 0
1988 3
1989 2
1990 2
1991 1
1992 4
1993 4
1994 6
1995 4
1996 5
1997 6
1998 11
1999 11
2000 7
2001 13
2002 12
2003 12
2004 14
2005 6
2006 5
2007 10
2008 9
2009 12
2010 12
2011 10
2012 11
2013 16
2014 15
2015 10
2016 11
2017 12
2018 10
2019 12
2020 7
2021 9
2022 6
2023 6
2024 8
2025 6
Total 328
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Fernando Pina publications per year - data summary

  • Fernando Pina, a Chemistry scholar from Universidade Nova de Lisboa, has 328 publications recorded across 47 years, from 1979 to 2025.
  • The oldest publication on record dates to 1979 and the most recent to 2025.
  • The most productive year is 2013, with 16 publications.
  • The least productive years with any output are 1979, 1984, 1986 and 1991, with 1 publication each.
  • 4 of the 47 years in the span carry no publications at all (1980, 1982, 1983 and 1987).
  • The rate of publication averages 7.0 papers per year over the whole span, or 7.6 per year counting only the 43 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 35 publications, 11% of the career total.
  • Split into equal eras - 1979-1994: 30 publications (1.9 per year); 1995-2010: 149 publications (9.3 per year); 2011-2025: 149 publications (9.9 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Fernando Pina 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 Fernando Pina 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, 281–300 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: 294 publications — 62nd percentile

62% 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
241–260 1,100
261–280 979
281–300 939 294
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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Fernando Pina publication distribution in Chemistry in 2026 - data summary

  • The chart plots the publication count of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 63 ranges running from 61–80 to 1,295+ publications.
  • Fernando Pina, a Chemistry scholar from Universidade Nova de Lisboa, records 294 publications - the 62nd percentile of the discipline.
  • 62% of ranked Chemistry scientists score the same or lower than Fernando Pina, and about 38% score higher.
  • The median of the discipline falls in the 241–260 publications range, and Fernando Pina ranks above the median.
  • The most crowded range is 161–180 publications, holding 1,350 scientists (8% of the field).
  • 77% of the field sits in the lowest quarter of the value range (up to 361–380 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 1,295 publications or more, 100 scientists in all (<1% of the field).

Fernando Pina 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 Fernando Pina 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, 54–55 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: 55 D-Index — 33rd percentile

33% 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
48–49 835
50–51 861
52–53 872
54–55 933 55
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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Fernando Pina D-index placement in Chemistry in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 17,934 Chemistry scientists ranked by Research.com in 2026, grouped into 61 ranges running from 40–41 to 159+ D-Index.
  • Fernando Pina, a Chemistry scholar from Universidade Nova de Lisboa, records 55 D-Index - the 33rd percentile of the discipline.
  • 33% of ranked Chemistry scientists score the same or lower than Fernando Pina, and about 67% score higher.
  • The median of the discipline falls in the 62–63 D-Index range, and Fernando Pina ranks below the median.
  • The most crowded range is 56–57 D-Index, holding 1,051 scientists (6% of the field).
  • 70% of the field sits in the lowest quarter of the value range (up to 70–71 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 159 D-Index or more, 98 scientists in all (<1% of the field).

Overview

Fernando Piña is a researcher affiliated with Universidade Nova de Lisboa in Portugal, specializing in the fields of Chemistry and Materials Science. Their work spans various subfields, notably Materials Chemistry, Organic Chemistry, Spectroscopy, Biochemistry, and Molecular Biology.

Their research covers a range of topics, including:

  • Photochromic and Fluorescence Chemistry
  • Free Radicals and Antioxidants
  • Phytochemicals and Antioxidant Activities
  • Radical Photochemical Reactions
  • Photochemistry and Electron Transfer Studies
  • Cultural Heritage Materials Analysis
  • Fermentation and Sensory Analysis

Fernando Piña has contributed to various academic journals, frequently publishing in:

  • Dyes and Pigments
  • Journal of Agricultural and Food Chemistry
  • ACS Omega
  • The Cambridge Structural Database
  • Physical Chemistry Chemical Physics

Some of their recent papers include:

  • "Natural and Synthetic Flavylium-Based Dyes: The Chemistry Behind the Color," published in 2021 in Chemical Reviews
  • "Iron-gall inks: a review of their degradation mechanisms and conservation treatments," published in 2022 in Heritage Science
  • "A New Insight into the Degradation of Anthocyanins: Reversible versus the Irreversible Chemical Processes," published in 2022 in Journal of Agricultural and Food Chemistry
  • "Evolution of Flavylium-Based Color Systems in Plants: What Physical Chemistry Can Tell Us," published in 2021 in International Journal of Molecular Sciences
  • "A 1000-year-old mystery solved: Unlocking the molecular structure for the medieval blue from Chrozophora tinctoria, also known as folium," published in 2020 in Science Advances

Frequent collaborators in their research include Nuno Basílio, Víctor de Freitas, A. Jorge Parola, Joana Oliveira, and Johan Mendoza.

Best Publications

  • Chemistry and applications of flavylium compounds: a handful of colours

    Fernando Pina;Maria J. Melo;César A. T. Laia;A. Jorge Parola

  • Artificial Chemical Systems Capable of Mimicking Some Elementary Properties of Neurons

    Fernando Pina;Maria João Melo;Mauro Maestri;Paolo Passaniti

  • Photochemical and thermal degradation of anthocyanidins

    Paula Furtado;Paulo Figueiredo;Higuinaldo Chaves das Neves;Fernando Pina

  • Natural and Synthetic Flavylium-Based Dyes: The Chemistry Behind the Color.

    Luis Cruz;Nuno Basílio;Nuno Mateus;Victor de Freitas

  • Photochromism of 4‘-Methoxyflavylium Perchlorate. A “Write−Lock−Read−Unlock−Erase” Molecular Switching System

    Fernando Pina;Maria João Melo;Mauro Maestri;Roberto Ballardini

  • Luminescent and chromogenic molecular probes based on polyamines and related compounds

    Carlos Lodeiro;Fernando Pina

  • Anatase as an alternative application for preventing biodeterioration of mortars: evaluation and comparison with other biocides

    Ana Josina Fonseca;Fernando Pina;Maria Filomena Macedo;Nuno Leal

  • Anthocyanins and derivatives are more than flavylium cations

    Fernando Pina;Joana Oliveira;Victor de Freitas

  • Electrochromic and magnetic ionic liquids

    Aida Branco;Luís C. Branco;Fernando Pina

  • Multistate/Multifunctional Molecular-Level Systems: Light and pH Switching between the Various Forms of a Synthetic Flavylium Salt

    Fernando Pina;Ana Roque;Maria João Melo;Mauro Maestri

  • Chemical applications of anthocyanins and related compounds. A source of bioinspiration.

    Fernando Pina

  • The use of microspectrofluorimetry for the characterization of lake pigments.

    Ana Claro;Maria J. Melo;Stephan Schäfer;J. Sérgio Seixas de Melo

  • Highlights of metal ion-based photochemical switches

    Antonio Bianchi;Estefanía Delgado-Pinar;Enrique García-España;Claudia Giorgi

  • Fluorescent Chemosensors Containing Polyamine Receptors

    Fernando Pina;M. Alexandra Bernardo;Enrique García-España

  • Synthetic analogues of anthocyanins as sensitizers for dye-sensitized solar cells

    Giuseppe Calogero;Alessandro Sinopoli;Ilaria Citro;Gaetano Di Marco

  • The effect of self-aggregation on the determination of the kinetic and thermodynamic constants of the network of chemical reactions in 3-glucoside anthocyanins

    Yoann Leydet;Raquel Gavara;Vesselin Petrov;Ana M. Diniz

  • THERMODYNAMICS AND FLUORESCENCE EMISSION STUDIES ON POTENTIAL MOLECULAR CHEMOSENSORS FOR ATP RECOGNITION IN AQUEOUS SOLUTION

    M. Teresa Albelda;M. Alexandra Bernardo;Enrique Garcia-España;M. Luz Godino-Salido

  • New insights into iron-gall inks through the use of historically accurate reconstructions

    Rafael Javier Díaz Hidalgo;Ricardo Córdoba;Paula Nabais;Valéria Silva

  • Thermodynamics and kinetics of flavylium salts Malvin revisited

    Fernando Pina

  • A photochemical study on the blue dye indigo: from solution to ancient Andean textiles.

    Micaela M Sousa;Catarina Miguel;Isa Rodrigues;A Jorge Parola

  • Specific Supramolecular Interactions between Zn2+-Salophen Complexes and Biologically Relevant Anions

    Manoli Cano;Laura Rodríguez;Laura Rodríguez;João Carlos Lima;Fernando Pina

  • Photochromic flavylium compounds as multistate/multifunction molecular-level systems

    Fernando Pina;Mauro Maestri;Vincenzo Balzani

Frequent Co-Authors

João C. Lima
João C. Lima Universidade Nova de Lisboa
Carlos Lodeiro
Carlos Lodeiro Universidade Nova de Lisboa
Mauro Maestri
Mauro Maestri University of Bologna
Enrique García-España
Enrique García-España University of Valencia
Victor de Freitas
Victor de Freitas University of Porto
Antonio Bianchi
Antonio Bianchi University of Florence
J. Sérgio Seixas de Melo
J. Sérgio Seixas de Melo University of Coimbra
Barbara Valtancoli
Barbara Valtancoli University of Florence
Andrea Bencini
Andrea Bencini University of Florence
Vincenzo Balzani
Vincenzo Balzani University of Bologna

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