World's Best Scientists 2026 revealed!

D-Index & Metrics

Biology and Biochemistry

D-Index
54
Citations
10894
World Ranking
15604
National Ranking
449

Loek van Alphen publication distribution in Biology and Biochemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Biology and Biochemistry in 2026. The highlighted bar marks where Loek van Alphen sits on this spectrum.

47–56 publications: 8 scientists 57–66 publications: 35 scientists 67–76 publications: 106 scientists 77–86 publications: 231 scientists 87–96 publications: 414 scientists 97–106 publications: 546 scientists 107–116 publications: 704 scientists 117–126 publications: 849 scientists 127–136 publications: 980 scientists 137–146 publications: 942 scientists 147–156 publications: 969 scientists 157–166 publications: 950 scientists 167–176 publications: 951 scientists 177–186 publications: 915 scientists 187–196 publications: 787 scientists 197–206 publications: 841 scientists 207–216 publications: 735 scientists 217–226 publications: 709 scientists 227–236 publications: 651 scientists 237–246 publications: 605 scientists 247–256 publications: 510 scientists 257–266 publications: 524 scientists 267–276 publications: 434 scientists 277–286 publications: 418 scientists 287–296 publications: 350 scientists 297–306 publications: 363 scientists 307–316 publications: 315 scientists 317–326 publications: 296 scientists 327–336 publications: 261 scientists 337–346 publications: 240 scientists 347–356 publications: 219 scientists 357–366 publications: 197 scientists 367–376 publications: 154 scientists 377–386 publications: 161 scientists 387–396 publications: 155 scientists 397–406 publications: 145 scientists 407–416 publications: 124 scientists 417–426 publications: 112 scientists 427–436 publications: 132 scientists 437–446 publications: 116 scientists 447–456 publications: 99 scientists 457–466 publications: 81 scientists 467–476 publications: 91 scientists 477–486 publications: 80 scientists 487–496 publications: 80 scientists 497–506 publications: 60 scientists 507–516 publications: 36 scientists 517–526 publications: 46 scientists 527–536 publications: 54 scientists 537–546 publications: 44 scientists 547–556 publications: 43 scientists 557–566 publications: 43 scientists 567–576 publications: 42 scientists 577–586 publications: 25 scientists 587–596 publications: 34 scientists 597–606 publications: 23 scientists 607–616 publications: 33 scientists 617–626 publications: 31 scientists 627–636 publications: 27 scientists 637–646 publications: 25 scientists 647–656 publications: 28 scientists 657–666 publications: 34 scientists 667–676 publications: 18 scientists 677–686 publications: 16 scientists 687–696 publications: 10 scientists 697–706 publications: 12 scientists 707–716 publications: 21 scientists 717–726 publications: 12 scientists 727–736 publications: 12 scientists 737–746 publications: 10 scientists 747–756 publications: 7 scientists 757–766 publications: 13 scientists 767–776 publications: 15 scientists 777–786 publications: 13 scientists 787–796 publications: 9 scientists 797–806 publications: 9 scientists 807–816 publications: 7 scientists 817–826 publications: 4 scientists 827–836 publications: 9 scientists 837–846 publications: 7 scientists 847–856 publications: 3 scientists 857–866 publications: 5 scientists 867–876 publications: 5 scientists 877–886 publications: 11 scientists 887–896 publications: 3 scientists 897–906 publications: 4 scientists 907–916 publications: 7 scientists 917–926 publications: 5 scientists 927–936 publications: 6 scientists 937–946 publications: 6 scientists 947–956 publications: 3 scientists 957–966 publications: 7 scientists 967–976 publications: 2 scientists 977–986 publications: 2 scientists 987–996 publications: 1 scientists 997–1,006 publications: 5 scientists 1,007–1,016 publications: 2 scientists 1,017–1,026 publications: 2 scientists 1,027 publications: 1 scientists 1,028+ publications: 100 scientists
47 publications 1,028+

This scientist: 131 publications — 17th percentile

17% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,028 publications or more.

Loek van Alphen D-index placement in Biology and Biochemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Biology and Biochemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Loek van Alphen sits on this spectrum.

40–41 D-Index: 80 scientists 42–43 D-Index: 183 scientists 44–45 D-Index: 317 scientists 46–47 D-Index: 504 scientists 48–49 D-Index: 718 scientists 50–51 D-Index: 900 scientists 52–53 D-Index: 1,026 scientists 54–55 D-Index: 1,150 scientists 56–57 D-Index: 1,236 scientists 58–59 D-Index: 1,253 scientists 60–61 D-Index: 1,163 scientists 62–63 D-Index: 1,131 scientists 64–65 D-Index: 1,032 scientists 66–67 D-Index: 897 scientists 68–69 D-Index: 814 scientists 70–71 D-Index: 715 scientists 72–73 D-Index: 709 scientists 74–75 D-Index: 596 scientists 76–77 D-Index: 512 scientists 78–79 D-Index: 473 scientists 80–81 D-Index: 412 scientists 82–83 D-Index: 373 scientists 84–85 D-Index: 358 scientists 86–87 D-Index: 285 scientists 88–89 D-Index: 273 scientists 90–91 D-Index: 227 scientists 92–93 D-Index: 208 scientists 94–95 D-Index: 193 scientists 96–97 D-Index: 153 scientists 98–99 D-Index: 157 scientists 100–101 D-Index: 148 scientists 102–103 D-Index: 120 scientists 104–105 D-Index: 113 scientists 106–107 D-Index: 100 scientists 108–109 D-Index: 86 scientists 110–111 D-Index: 67 scientists 112–113 D-Index: 72 scientists 114–115 D-Index: 73 scientists 116–117 D-Index: 64 scientists 118–119 D-Index: 53 scientists 120–121 D-Index: 60 scientists 122–123 D-Index: 54 scientists 124–125 D-Index: 43 scientists 126–127 D-Index: 38 scientists 128–129 D-Index: 49 scientists 130–131 D-Index: 26 scientists 132–133 D-Index: 18 scientists 134–135 D-Index: 23 scientists 136–137 D-Index: 32 scientists 138–139 D-Index: 32 scientists 140–141 D-Index: 27 scientists 142–143 D-Index: 19 scientists 144–145 D-Index: 22 scientists 146–147 D-Index: 12 scientists 148–149 D-Index: 16 scientists 150–151 D-Index: 14 scientists 152–153 D-Index: 10 scientists 154–155 D-Index: 13 scientists 156–157 D-Index: 10 scientists 158–159 D-Index: 7 scientists 160–161 D-Index: 9 scientists 162–163 D-Index: 13 scientists 164–165 D-Index: 4 scientists 166 D-Index: 4 scientists 167+ D-Index: 98 scientists
40 D-Index 167+

This scientist: 54 D-Index — 22nd percentile

22% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 167 D-Index or more.

Overview

Loek van Alphen is affiliated with the Centre for Health Protection in China. Their research profile is noted for involvement in health protection-related activities, reflecting the focus of the institution with which they are connected.

There are no listed recent papers, frequent co-authors, or specific publication venues available to detail within their academic output. Similarly, there is no information regarding dedicated book publications authored by them.

Data on main fields of study, subfields, and primary topics of work are not documented, hence no particular scientific domains can be attributed to this researcher based on the available information.

No awards have been recorded for Loek van Alphen. It is also noted that they are currently living, so all references to their career remain in present tense.

Best Publications

  • Electrophoretic resolution of the ‘major outer membrane protein’ of Escherichia coli K12 into four bands

    Ben Lugtenberg;Jos Meijers;Roel Peters;Peter van der Hoek

  • Molecular architecture and functioning of the outer membrane of Escherichia coli and other gram-negative bacteria

    Ben Lugtenberg;Loek Van Alphen

  • Modification of lipid A biosynthesis in Neisseria meningitidis lpxL mutants: influence on lipopolysaccharide structure, toxicity, and adjuvant activity.

    Peter van der Ley;Liana Steeghs;Hendrik Jan Hamstra;Jan ten Hove

  • Phase variation of H. influenzae fimbriae: Transcriptional control of two divergent genes through a variable combined promoter region

    S.Marieke van Ham;Loek van Alphen;Frits R. Mooi;Jos P.M. van Putten

  • Contribution of Fibronectin-Binding Protein to Pathogenesis of Streptococcus suis Serotype 2

    Astrid de Greeff;Herma Buys;Robin Verhaar;Janny Dijkstra

  • Effect of reduced-dose schedules with 7-valent pneumococcal conjugate vaccine on nasopharyngeal pneumococcal carriage in children: a randomized controlled trial.

    Elske J. M. van Gils;Reinier H. Veenhoven;Eelko Hak;Gerwin D. Rodenburg

  • A Neisserial autotransporter NalP modulating the processing of other autotransporters.

    Peter Van Ulsen;Loek Van Alphen;Jan Ten Hove;Floris Fransen

  • Invasive pneumococcal disease among adults: associations among serotypes, disease characteristics, and outcome.

    Angelique G. S. C. Jansen;Gerwin D. Rodenburg;Arie van der Ende;Loek van Alphen

  • The variable P5 proteins of typeable and non-typeable Haemophilus influenzae target human CEACAM1.

    Darryl J. Hill;Mark A. Toleman;Debbie J. Evans;Silvia Villullas

  • Major outer membrane protein d of Escherichia coli K 12

    Loek van Alphen;Louis Havekes;Ben Lugtenberg

  • Homogeneity of Cell Envelope Protein Subtypes, Lipopolysaccharide Serotypes, and Biotypes among Haemophilus influenzae Type b from Patients with Meningitis in The Netherlands

    Loek van Alphen;Tineke Riemens;Jan Poolman;Carla Hopman

  • Characterization of Genetic and Phenotypic Diversity of Invasive Nontypeable Haemophilus influenzae

    Alice L. Erwin;Kevin L. Nelson;Tendai Mhlanga-Mutangadura;Paul J. Bonthuis

  • Architecture of the outer membrane of Escherichia coli K12. Phase transitions of the bacteriophage K3 receptor complex.

    Loek Van Alphen;Ben Lugtenberg;Ernst Th. Rietschel;Chris Mombers

  • Antibody avidity and immunoglobulin G isotype distribution following immunization with a monovalent meningococcal B outer membrane vesicle vaccine.

    C. L. Vermont;H. H. van Dijken;C. J. P. van Limpt;R. de Groot

  • Molecular variation in the major outer membrane protein P5 gene of nonencapsulated Haemophilus influenzae during chronic infections.

    B. Duim;L. Bowler;P.P. Eijk;H.M. Jansen

  • Outer Membrane Protein Vesicle Vaccines for Meningococcal Disease

    Carl E. Frasch;Loek van Alphen;Johan Holst;Jan T. Poolman

  • Immunogenicity of outer membrane proteins in a lipopolysaccharide-deficient mutant of Neisseria meningitidis: influence of adjuvants on the immune response.

    Liana Steeghs;Betsy Kuipers;Hendrik Jan Hamstra;Gideon Kersten

  • Effect of seven-valent pneumococcal conjugate vaccine on staphylococcus aureus colonisation in a randomised controlled trial

    Elske J. M. van Gils;Eelko Hak;Reinier H. Veenhoven;Gerwin D. Rodenburg

  • Architecture of the Outer Membrane of Escherichia coli III. Protein-Lipopolysaccharide Complexes in Intramembraneous Particles

    Loek van Alphen;Arie Verkleij;Jose Leunissen-Bijvelt;Ben Lugtenberg

  • Changes in Outer Membrane Proteins of Nontypable Haemophilus influenzae in Patients with Chronic Obstructive Pulmonary Disease

    Kees Groeneveld;Loek van Alphen;Paul P. Eijk;Henk M. Jansen

Frequent Co-Authors

Jacob Dankert
Jacob Dankert University of Amsterdam
Ben J. J. Lugtenberg
Ben J. J. Lugtenberg Leiden University
Peter van der Ley
Peter van der Ley Intravacc (Netherlands)
Eelko Hak
Eelko Hak University of Groningen
Arie J. Verkleij
Arie J. Verkleij Utrecht University
Henk M. Jansen
Henk M. Jansen University of Amsterdam
Elisabeth A. M. Sanders
Elisabeth A. M. Sanders Utrecht University
Jan Tommassen
Jan Tommassen Utrecht University
Arie van der Ende
Arie van der Ende University of Amsterdam
Hilde E. Smith
Hilde E. Smith Wageningen University & Research

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