World's Best Scientists 2026 revealed!

D-Index & Metrics

Microbiology

D-Index
61
Citations
17340
World Ranking
2958
National Ranking
29

Martti Vaara publication distribution in Microbiology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Microbiology in 2026. The highlighted bar marks where Martti Vaara sits on this spectrum.

55–64 publications: 8 scientists 65–74 publications: 29 scientists 75–84 publications: 55 scientists 85–94 publications: 112 scientists 95–104 publications: 137 scientists 105–114 publications: 190 scientists 115–124 publications: 235 scientists 125–134 publications: 234 scientists 135–144 publications: 288 scientists 145–154 publications: 264 scientists 155–164 publications: 264 scientists 165–174 publications: 253 scientists 175–184 publications: 276 scientists 185–194 publications: 190 scientists 195–204 publications: 233 scientists 205–214 publications: 207 scientists 215–224 publications: 198 scientists 225–234 publications: 155 scientists 235–244 publications: 161 scientists 245–254 publications: 160 scientists 255–264 publications: 146 scientists 265–274 publications: 139 scientists 275–284 publications: 148 scientists 285–294 publications: 115 scientists 295–304 publications: 96 scientists 305–314 publications: 88 scientists 315–324 publications: 106 scientists 325–334 publications: 65 scientists 335–344 publications: 76 scientists 345–354 publications: 64 scientists 355–364 publications: 62 scientists 365–374 publications: 65 scientists 375–384 publications: 61 scientists 385–394 publications: 34 scientists 395–404 publications: 44 scientists 405–414 publications: 36 scientists 415–424 publications: 35 scientists 425–434 publications: 29 scientists 435–444 publications: 33 scientists 445–454 publications: 34 scientists 455–464 publications: 25 scientists 465–474 publications: 26 scientists 475–484 publications: 20 scientists 485–494 publications: 19 scientists 495–504 publications: 16 scientists 505–514 publications: 17 scientists 515–524 publications: 23 scientists 525–534 publications: 14 scientists 535–544 publications: 14 scientists 545–554 publications: 18 scientists 555–564 publications: 12 scientists 565–574 publications: 7 scientists 575–584 publications: 9 scientists 585–594 publications: 9 scientists 595–604 publications: 9 scientists 605–614 publications: 7 scientists 615–624 publications: 9 scientists 625–634 publications: 7 scientists 635–644 publications: 4 scientists 645–654 publications: 5 scientists 655–664 publications: 6 scientists 665–674 publications: 7 scientists 675–678 publications: 3 scientists 679+ publications: 99 scientists
55 publications 679+

This scientist: 187 publications — 44th percentile

44% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 679 publications or more.

Martti Vaara D-index placement in Microbiology in 2026

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

40 D-Index: 30 scientists 41 D-Index: 86 scientists 42 D-Index: 90 scientists 43 D-Index: 117 scientists 44 D-Index: 122 scientists 45 D-Index: 123 scientists 46 D-Index: 108 scientists 47 D-Index: 110 scientists 48 D-Index: 106 scientists 49 D-Index: 109 scientists 50 D-Index: 129 scientists 51 D-Index: 111 scientists 52 D-Index: 116 scientists 53 D-Index: 127 scientists 54 D-Index: 134 scientists 55 D-Index: 134 scientists 56 D-Index: 111 scientists 57 D-Index: 136 scientists 58 D-Index: 162 scientists 59 D-Index: 151 scientists 60 D-Index: 139 scientists 61 D-Index: 122 scientists 62 D-Index: 126 scientists 63 D-Index: 144 scientists 64 D-Index: 109 scientists 65 D-Index: 103 scientists 66 D-Index: 124 scientists 67 D-Index: 112 scientists 68 D-Index: 103 scientists 69 D-Index: 131 scientists 70 D-Index: 93 scientists 71 D-Index: 93 scientists 72 D-Index: 96 scientists 73 D-Index: 92 scientists 74 D-Index: 80 scientists 75 D-Index: 66 scientists 76 D-Index: 87 scientists 77 D-Index: 60 scientists 78 D-Index: 73 scientists 79 D-Index: 59 scientists 80 D-Index: 57 scientists 81 D-Index: 55 scientists 82 D-Index: 47 scientists 83 D-Index: 77 scientists 84 D-Index: 50 scientists 85 D-Index: 45 scientists 86 D-Index: 42 scientists 87 D-Index: 41 scientists 88 D-Index: 32 scientists 89 D-Index: 38 scientists 90 D-Index: 35 scientists 91 D-Index: 34 scientists 92 D-Index: 27 scientists 93 D-Index: 26 scientists 94 D-Index: 33 scientists 95 D-Index: 22 scientists 96 D-Index: 37 scientists 97 D-Index: 22 scientists 98 D-Index: 21 scientists 99 D-Index: 22 scientists 100 D-Index: 30 scientists 101 D-Index: 16 scientists 102 D-Index: 20 scientists 103 D-Index: 17 scientists 104 D-Index: 19 scientists 105 D-Index: 16 scientists 106 D-Index: 19 scientists 107 D-Index: 18 scientists 108 D-Index: 14 scientists 109 D-Index: 10 scientists 110 D-Index: 9 scientists 111 D-Index: 7 scientists 112 D-Index: 11 scientists 113 D-Index: 6 scientists 114 D-Index: 15 scientists 115 D-Index: 10 scientists 116 D-Index: 12 scientists 117 D-Index: 7 scientists 118 D-Index: 10 scientists 119 D-Index: 10 scientists 120 D-Index: 11 scientists 121 D-Index: 2 scientists 122 D-Index: 7 scientists 123 D-Index: 12 scientists 124 D-Index: 5 scientists 125 D-Index: 9 scientists 126 D-Index: 6 scientists 127+ D-Index: 95 scientists
40 D-Index 127+

This scientist: 61 D-Index — 47th percentile

47% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 127 D-Index or more.

Overview

Martti Vaara is affiliated with the University of Helsinki in Finland. Their research primarily focuses on the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with specific subfields including Pulmonary and Respiratory Medicine, Biomedical Engineering, Radiology, Nuclear Medicine and Imaging, Pharmacology, and Molecular Medicine.

The scientist's work addresses several main topics, notably Photodynamic Therapy Research Studies, Nanoplatforms for cancer theranostics, Laser Applications in Dentistry and Medicine, Antibiotic Resistance in Bacteria, Antibiotics Pharmacokinetics and Efficacy, Tuberculosis Research and Epidemiology, and Escherichia coli research studies.

Martti Vaara has contributed to multiple scientific publications. Selected recent papers include:

  • Dual-light photodynamic therapy administered daily provides a sustained antibacterial effect on biofilm and prevents Streptococcus mutans adaptation, 2020, PLoS ONE
  • Dual-light photodynamic therapy administered daily provides a sustained antibacterial effect on biofilm and prevents Streptococcus mutans adaptation, 2020, bioRxiv (Cold Spring Harbor Laboratory)
  • Excretion of the Polymyxin Derivative NAB739 in Murine Urine, 2020, Antibiotics
  • An antibiotic derivative as a new potential tool in the prevention of hemolytic uremic syndrome, 2025, iScience

Frequent collaborators in their research include Sakari Nikinmaa, Heikki Alapulli, Petri Auvinen, Esko Kankuri, and Timo Sorsa.

The venues where Martti Vaara most often publishes are PLoS ONE, bioRxiv (Cold Spring Harbor Laboratory), Antibiotics, and iScience.

Best Publications

  • Molecular basis of bacterial outer membrane permeability.

    H Nikaido;M Vaara

  • Agents that increase the permeability of the outer membrane.

    M Vaara

  • Safety of probiotics that contain lactobacilli or bifidobacteria.

    Unknown

  • Lactobacillus Bacteremia during a Rapid Increase in Probiotic Use of Lactobacillus rhamnosus GG in Finland

    Minna K. Salminen;Soile Tynkkynen;Hilpi Rautelin;Maija Saxelin

  • Postural balance in a random sample of 7,979 subjects aged 30 years and over

    P. Era;P. Sainio;S. Koskinen;P. Haavisto

  • Polycations as outer membrane-disorganizing agents.

    M Vaara;T Vaara

  • Sensitization of Gram-negative bacteria to antibiotics and complement by a nontoxic oligopeptide

    Martti Vaara;Timo Vaara

  • Polycations sensitize enteric bacteria to antibiotics.

    M Vaara;T Vaara

  • Group of peptides that act synergistically with hydrophobic antibiotics against gram-negative enteric bacteria.

    M Vaara;M Porro

  • Accurate and rapid identification of bacterial species from positive blood cultures with a DNA-based microarray platform: an observational study

    Päivi Tissari;Alimuddin Zumla;Eveliina Tarkka;Sointu Mero

  • Characterization of the lipopolysaccharide from the polymyxin-resistant pmrA mutants of Salmonella typhimurium.

    M. Vaara;T. Vaara;M. Jensen;I. Helander

  • Lipopolysaccharides of polymyxin B‐resistant mutants of Escherichia coii are extensively substituted by 2‐aminoethyl pyrophosphate and contain aminoarabinose in lipid A

    Kim Nummila;IIkka Kilpeläinen;Ulrich Zähringer;Martti Vaara

  • Antibiotic-supersusceptible mutants of Escherichia coli and Salmonella typhimurium.

    M Vaara

  • Increased substitution of phosphate groups in lipopolysaccharides and lipid A of the polymyxin‐resistant pmrA mutants of Salmonella typhimurium: a 31P‐NMR study

    Ilkka M. Helander;Ilkka Kilpeläinen;Martti Vaara

  • Outer membrane permeability barrier to azithromycin, clarithromycin, and roxithromycin in gram-negative enteric bacteria.

    M Vaara

  • Novel Polymyxin Derivatives Carrying Only Three Positive Charges Are Effective Antibacterial Agents

    Martti Vaara;John Fox;Günther Loidl;Osmo Siikanen

  • New approaches in peptide antibiotics.

    Martti Vaara

  • Outer Membrane Permeability Barrier in Escherichia coli Mutants That Are Defective in the Late Acyltransferases of Lipid A Biosynthesis

    Martti Vaara;Martti Vaara;Marjatta Nurminen

  • Potentiation of Antibiotic Activity by a Novel Cationic Peptide: Potency and Spectrum of Activity of SPR741

    David Corbett;Andrew Wise;Tara Langley;Kirsty Skinner

  • Outer Membrane Permeability Barrier Disruption by Polymyxin in Polymyxin-Susceptible and -Resistant Salmonella typhimurium

    Martti Vaara;Timo Vaara

  • The lipid A biosynthesis mutation lpxA2 of Escherichia coli results in drastic antibiotic supersusceptibility.

    R Vuorio;M Vaara

  • Eight bacterial proteins, including UDP-N-acetylglucosamine acyltransferase (LpxA) and three other transferases of Escherichia coli, consist of a six-residue periodicity theme

    Martti Vaara

Frequent Co-Authors

Jari Jalava
Jari Jalava Finnish Institute for Health and Welfare
Timo Sorsa
Timo Sorsa University of Helsinki
Anja Siitonen
Anja Siitonen Finnish Institute for Health and Welfare (THL)
Pentti Kuusela
Pentti Kuusela University of Helsinki
Niels Frimodt-Møller
Niels Frimodt-Møller University of Copenhagen
Jukka H. Meurman
Jukka H. Meurman University of Helsinki
Alimuddin Zumla
Alimuddin Zumla University College London
Seppo Koskinen
Seppo Koskinen Finnish Institute for Health and Welfare
Ilkka Kilpeläinen
Ilkka Kilpeläinen University of Helsinki
Jim F. Huggett
Jim F. Huggett University College London

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