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Sandra Gemma

Sandra Gemma

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Chemistry 44 17017 15374 664 607 178 5605

Sandra Gemma publications per year

The chart shows the history of publications by Sandra Gemma between 1999 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Sandra Gemma published across 28 years, from 1999 to 2026, averaging 7.5 papers a year. Output peaked at 25 publications in 2015. 10 of the 210 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1999 to 2026. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2015. 1999: 1 publication 2000: 0 publications 2001: 0 publications 2002: 3 publications 2003: 4 publications 2004: 2 publications 2005: 5 publications 2006: 3 publications 2007: 2 publications 2008: 13 publications 2009: 8 publications 2010: 7 publications 2011: 10 publications 2012: 5 publications 2013: 10 publications 2014: 10 publications 2015: 25 publications 2016: 12 publications 2017: 7 publications 2018: 11 publications 2019: 12 publications 2020: 12 publications 2021: 6 publications 2022: 17 publications 2023: 4 publications 2024: 11 publications 2025: 9 publications 2026: 1 publication
1999 2026

210 publications in total across all disciplines

View publications per year as a table
Sandra Gemma: publications per year, 1999 to 2026
Year Publications
1999 1
2000 0
2001 0
2002 3
2003 4
2004 2
2005 5
2006 3
2007 2
2008 13
2009 8
2010 7
2011 10
2012 5
2013 10
2014 10
2015 25
2016 12
2017 7
2018 11
2019 12
2020 12
2021 6
2022 17
2023 4
2024 11
2025 9
2026 1
Total 210
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Sandra Gemma 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 Sandra Gemma 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, 161–180 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: 178 publications — 24th percentile

24% 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 1,350 178
181–200 1,344
201–220 1,281
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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Sandra Gemma 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 Sandra Gemma 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: 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.

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 44
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

Sandra Gemma is affiliated with the University of Siena in Italy and conducts research primarily in the fields of Medicine and Biochemistry, Genetics and Molecular Biology. Their work is focused on several subfields including Molecular Biology, Organic Chemistry, Oncology, Epidemiology, and Pharmacology.

Their research spans a variety of topics, notably:

  • Histone Deacetylase Inhibitors Research
  • Peptidase Inhibition and Analysis
  • Cannabis and Cannabinoid Research
  • Synthesis and biological activity
  • Research on Leishmaniasis Studies
  • Click Chemistry and Applications
  • Neuroscience and Neuropharmacology Research

Notable recent papers authored or co-authored by Sandra Gemma include:

  • Modulation of the Innate Immune Response by Targeting Toll-like Receptors: A Perspective on Their Agonists and Antagonists, 2020, Journal of Medicinal Chemistry
  • Telomerase-based Cancer Therapeutics: A Review on their Clinical Trials, 2020, Current Topics in Medicinal Chemistry
  • Harnessing the Role of HDAC6 in Idiopathic Pulmonary Fibrosis: Design, Synthesis, Structural Analysis, and Biological Evaluation of Potent Inhibitors, 2021, Journal of Medicinal Chemistry
  • Covalent Reversible Inhibitors of Cysteine Proteases Containing the Nitrile Warhead: Recent Advancement in the Field of Viral and Parasitic Diseases, 2022, Molecules
  • Novel quinolone-based potent and selective HDAC6 inhibitors: Synthesis, molecular modeling studies and biological investigation, 2020, European Journal of Medicinal Chemistry

Frequent publication venues for Sandra Gemma include:

  • European Journal of Medicinal Chemistry
  • Journal of Medicinal Chemistry
  • Molecules
  • ACS Chemical Neuroscience
  • ChemMedChem

Collaborations have been established with recurring co-authors such as:

  • Giuseppe Campiani
  • Stefania Butini
  • Gabriele Carullo
  • Simone Brogi
  • Sara Rossi

Best Publications

  • β-Secretase as a Therapeutic Target for Alzheimer’s Disease

    Arun K. Ghosh;Sandra Gemma;Jordan Tang;Jordan Tang

  • Synthesis of N1-arylidene-N2-quinolyl- and N2-acrydinylhydrazones as potent antimalarial agents active against CQ-resistant P. falciparum strains.

    Sandra Gemma;Gagan Kukreja;Caterina Fattorusso;Marco Persico

  • Breakthroughs in Medicinal Chemistry: New Targets and Mechanisms, New Drugs, New Hopes-6.

    Arduino A. Mangoni;Catherine Guillou;Jean Jacques Vanden Eynde;Christopher Hulme

  • Multitarget compounds bearing tacrine- and donepezil-like structural and functional motifs for the potential treatment of Alzheimer's disease.

    Lhassane Ismaili;Bernard Refouvelet;Mohamed Benchekroun;Simone Brogi

  • Pyrroloquinoxaline Derivatives as High-Affinity and Selective 5-HT3 Receptor Agonists: Synthesis, Further Structure−Activity Relationships, and Biological Studies

    Giuseppe Campiani;E. Morelli;Sandra Gemma;Vito Nacci

  • Modulation of the Innate Immune Response by Targeting Toll-like Receptors: A Perspective on Their Agonists and Antagonists.

    Stefano Federico;Luca Pozzetti;Alessandro Papa;Gabriele Carullo

  • Old but Gold: Tracking the New Guise of Histone Deacetylase 6 (HDAC6) Enzyme as a Biomarker and Therapeutic Target in Rare Diseases.

    Margherita Brindisi;A. Prasanth Saraswati;Simone Brogi;Sandra Gemma

  • Specific targeting of hepatitis C virus NS3 RNA helicase. Discovery of the potent and selective competitive nucleotide-mimicking inhibitor QU663.

    Giovanni Maga;Sandra Gemma;Caterina Fattorusso;Giada A. Locatelli

  • Synthesis and pharmacological evaluation of potent and highly selective D3 receptor ligands: inhibition of cocaine-seeking behavior and the role of dopamine D3/D2 receptors.

    Giuseppe Campiani;Stefania Butini;Francesco Trotta;Caterina Fattorusso

  • Design, Synthesis, and Structure–Activity Relationship Studies of 4-Quinolinyl- and 9-Acrydinylhydrazones as Potent Antimalarial Agents

    Caterina Fattorusso;Giuseppe Campiani;Gagan Kukreja;Marco Persico

  • Dopamine D3 Receptor Antagonists as Potential Therapeutics for the Treatment of Neurological Diseases.

    Samuele Maramai;Sandra Gemma;Simone Brogi;Giuseppe Campiani

  • Development and Pharmacological Characterization of Selective Blockers of 2-Arachidonoyl Glycerol Degradation with Efficacy in Rodent Models of Multiple Sclerosis and Pain

    Margherita Brindisi;Samuele Maramai;Sandra Gemma;Simone Brogi

  • Discovery of a new class of potential multifunctional atypical antipsychotic agents targeting dopamine D3 and serotonin 5-HT1A and 5-HT2A receptors: design, synthesis, and effects on behavior.

    Stefania Butini;Sandra Gemma;Giuseppe Campiani;Silvia Franceschini

  • Polypharmacology of dopamine receptor ligands

    Stefania Butini;K Nikolic;S Kassel;H Brückmann

  • Development of antitubercular compounds based on a 4-quinolylhydrazone scaffold. Further structure-activity relationship studies.

    Sandra Gemma;Luisa Savini;Maria Altarelli;Pierangela Tripaldi

  • Combining 4-Aminoquinoline- and Clotrimazole-Based Pharmacophores toward Innovative and Potent Hybrid Antimalarials

    Sandra Gemma;Giuseppe Campiani;Stefania Butini;Bhupendra P. Joshi

  • Exploiting Protein Fluctuations at the Active-Site Gorge of Human Cholinesterases: Further Optimization of the Design Strategy to Develop Extremely Potent Inhibitors

    Stefania Butini;Giuseppe Campiani;Marianna Borriello;Sandra Gemma

  • Mimicking the intramolecular hydrogen bond: Synthesis, biological evaluation, and molecular modeling of benzoxazines and quinazolines as potential antimalarial agents

    Sandra Gemma;Sandra Gemma;Caterina Camodeca;Caterina Camodeca;Margherita Brindisi;Margherita Brindisi;Simone Brogi;Simone Brogi

  • Development of Molecular Probes for the Identification of Extra Interaction Sites in the Mid-Gorge and Peripheral Sites of Butyrylcholinesterase (BuChE). Rational Design of Novel, Selective, and Highly Potent BuChE Inhibitors†

    Giuseppe Campiani;Caterina Fattorusso;Stefania Butini;Alessandra Gaeta

  • Pyrrolo[1,3]benzothiazepine-based serotonin and dopamine receptor antagonists. Molecular modeling, further structure-activity relationship studies, and identification of novel atypical antipsychotic agents.

    Giuseppe Campiani;Stefania Butini;Caterina Fattorusso;Bruno Catalanotti

  • Discovery of Huperzine A−Tacrine Hybrids as Potent Inhibitors of Human Cholinesterases Targeting Their Midgorge Recognition Sites

    Sandra Gemma;Emanuele Gabellieri;Paul Huleatt;Caterina Fattorusso

Frequent Co-Authors

Giuseppe Campiani
Giuseppe Campiani University of Siena
Ettore Novellino
Ettore Novellino University of Naples Federico II
Arun K. Ghosh
Arun K. Ghosh Purdue University West Lafayette
Donatella Taramelli
Donatella Taramelli University of Milan
Giovanni Maga
Giovanni Maga National Research Council (CNR)
Vanessa Yardley
Vanessa Yardley London School of Hygiene & Tropical Medicine
Giuseppe Valacchi
Giuseppe Valacchi North Carolina State University
Manfred Jung
Manfred Jung University of Freiburg
Lucia Altucci
Lucia Altucci University of Campania "Luigi Vanvitelli"
Ernesto Fattorusso
Ernesto Fattorusso University of Naples Federico II

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