World's Best Scientists 2026 revealed!
VIEW LIST
Barbara N. Timmermann

Barbara N. Timmermann

University of Kansas
United States

D-Index & Metrics

Chemistry

D-Index
59
Citations
10631
World Ranking
10313
National Ranking
2855

Barbara N. Timmermann 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 Barbara N. Timmermann sits on this spectrum.

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 publications 1,295+

This scientist: 199 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

Barbara N. Timmermann 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 Barbara N. Timmermann sits on this spectrum.

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 D-Index 159+

This scientist: 59 D-Index — 44th percentile

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

The last bar groups every scientist with 159 D-Index or more.

Overview

Barbara N. Timmermann is affiliated with the University of Kansas in the United States. Their research primarily focuses on Medicine, with key contributions in Oncology, Modeling and Simulation, General Health Professions, Molecular Biology, and Health, Toxicology and Mutagenesis.

The scientist's work covers various emergent topics, prominently including:

  • COVID-19 and healthcare impacts
  • COVID-19 epidemiological studies
  • Climate Change and Health Impacts
  • Global Health Care Issues
  • Healthcare cost, quality, practices
  • COVID-19 Clinical Research Studies
  • Heat shock proteins research

Barbara N. Timmermann has published several papers in notable journals such as DMW - Deutsche Medizinische Wochenschrift, Frontiers in Public Health, Journal of Infection, Deutsches Ärzteblatt international, and Melanoma Research. Selected research papers include:

  • COVID-19: Heterogeneous Excess Mortality and "Burden of Disease" in Germany and Italy and Their States and Regions, January-June 2020 (2021), Frontiers in Public Health
  • A novel C-terminal Hsp90 inhibitor KU758 synergizes efficacy in combination with BRAF or MEK inhibitors and targets drug-resistant pathways in BRAF-mutant melanomas (2021), Melanoma Research
  • COVID-19: Spatial resolution of excess mortality in Germany and Italy (2020), Journal of Infection
  • COVID-19: Wie änderte sich die Sterblichkeit? - Mortalität von Frauen und Männern in Deutschland und seinen Bundesländern bis Oktober 2020 (2020), DMW - Deutsche Medizinische Wochenschrift
  • Increased mortality in Germany and in the individual German states during the SARS-CoV-2-/COVID-19 pandemic in 2020 and 2021 (2022), Deutsches Ärzteblatt international

The researcher has collaborated frequently with the following co-authors:

  • Peter Morfeld
  • Philip Lewis
  • Thomas C. Erren
  • J. Valérie Groß
  • Pierluigi Cocco

Barbara N. Timmermann's interdisciplinary approach spans detailed clinical research studies on COVID-19 alongside investigations into molecular mechanisms such as heat shock proteins and oncological drug resistance pathways.

Best Publications

  • Inhibitory effect of six green tea catechins and caffeine on the growth of four selected human tumor cell lines.

    Susanne Valcic;Barbara N. Timmermann;David S. Alberts;Gerald A. Wächter

  • The effect of extracts from ginger rhizome on inflammatory mediator production.

    R.C. Lantz;G.J. Chen;M. Sarihan;A.M. Sólyom

  • Fresh organically grown ginger (Zingiber officinale): composition and effects on LPS-induced PGE2 production.

    Shivanand D. Jolad;R.Clark Lantz;Aniko M. Solyom;Guan Jie Chen

  • The effect of turmeric extracts on inflammatory mediator production.

    R.C. Lantz;G.J. Chen;A.M. Solyom;S.D. Jolad

  • Commercially processed dry ginger (Zingiber officinale): composition and effects on LPS-stimulated PGE2 production.

    Shivanand D. Jolad;R. Clark Lantz;Guan Jie Chen;Robert B. Bates

  • Turmeric extracts containing curcuminoids prevent experimental rheumatoid arthritis.

    Janet L. Funk;Janice N. Oyarzo;Jennifer B. Frye;Guanjie Chen

  • Formulation design and photochemical studies on nanocrystal solid dispersion of curcumin with improved oral bioavailability.

    Satomi Onoue;Haruki Takahashi;Yohei Kawabata;Yoshiki Seto

  • Antioxidant chemistry of green tea catechins. Identification of products of the reaction of (-)-epigallocatechin gallate with peroxyl radicals.

    Susanne Valcic;Annette Muders;Neil E. Jacobsen;Daniel C. Liebler

  • Interactions of Green Tea Catechins with Organic Anion-Transporting Polypeptides

    Megan Roth;Barbara N. Timmermann;Bruno Hagenbuch

  • Metabolic profiling and phylogenetic analysis of medicinal Zingiber species: Tools for authentication of ginger (Zingiber officinale Rosc).

    Hongliang Jiang;Zhengzhi Xie;Hyun Jo Koo;Steven P. McLaughlin

  • Antioxidant chemistry of green tea catechins. New oxidation products of (-)-epigallocatechin gallate and (-)-epigallocatechin from their reactions with peroxyl radicals.

    Susanne Valcic;Jeanne A. Burr;Barbara N. Timmermann;Daniel C. Liebler

  • Efficacy and mechanism of action of turmeric supplements in the treatment of experimental arthritis.

    Janet L. Funk;Jennifer B. Frye;Janice N. Oyarzo;Nesrin Kuscuoglu

  • Inhibition of ultraviolet B–induced c-fos gene expression and p38 mitogen-activated protein kinase activation by (-)-epigallocatechin gallate in a human keratinocyte cell line

    Weixing Chen;Zigang Dong;Susanne Valcic;Barbara N. Timmermann

  • Prevention of photocarcinogenesis by topical administration of pure epigallocatechin gallate isolated from green tea

    Helen L. Gensler;Barbara N. Timmermann;Susanne Valcic;Gerald A. Wächter

  • Characterization of gingerol-related compounds in ginger rhizome (Zingiber officinale Rosc.) by high-performance liquid chromatography/electrospray ionization mass spectrometry.

    Hongliang Jiang;Anikó M. Sólyom;Barbara N. Timmermann;David R. Gang

  • (-)-Epigallocatechin-3-gallate inhibition of ultraviolet B-induced AP-1 activity.

    M. Barthelman;W. B. Bair;K. K. Stickland;Weixing Chen

  • Biosynthesis of curcuminoids and gingerols in turmeric (Curcuma longa) and ginger (Zingiber officinale): identification of curcuminoid synthase and hydroxycinnamoyl-CoA thioesterases.

    Maria del Carmen Ramirez-Ahumada;Barbara N. Timmermann;David R. Gang

  • Structure−Activity Relationship Studies of Nordihydroguaiaretic Acid Inhibitors toward Soybean, 12-Human, and 15-Human Lipoxygenase

    Stephanie Whitman;Mikail Gezginci;Barbara N Timmermann;Theodore R Holman

  • Use of liquid chromatography-electrospray ionization tandem mass spectrometry to identify diarylheptanoids in turmeric (Curcuma longa L.) rhizome.

    Hongliang Jiang;Barbara N. Timmermann;David R. Gang

  • Bioactivity of Turmeric-Derived Curcuminoids and Related Metabolites in Breast Cancer

    Laura E. Wright;Jennifer B. Frye;Bhavana Gorti;Barbara N. Timmermann

  • Anti-Inflammatory Effects of the Essential Oils of Ginger (Zingiber officinale Roscoe) in Experimental Rheumatoid Arthritis.

    Janet L. Funk;Jennifer B. Frye;Janice N. Oyarzo;Jianling Chen

  • Antitubercular constituents of Valeriana laxiflora.

    Jian Qiao Gu;Yuehong Wang;Scott G. Franzblau;Gloria Montenegro

  • Tandem mass spectrometry studies of green tea catechins. Identification of three minor components in the polyphenolic extract of green tea

    Petra Miketova;Karl H. Schram;Jeff Whitney;Michael Li

  • Interaction of Green Tea Catechins with Organic Anion Transporting Polypeptides

    Megan Roth;Barbara Timmermann;Bruno Hagenbuch

Frequent Co-Authors

Robert B. Bates
Robert B. Bates University of Arizona
Scott G. Franzblau
Scott G. Franzblau University of Illinois at Chicago
Victor W. Day
Victor W. Day University of Kansas
David R. Gang
David R. Gang Washington State University
Jeffrey Aubé
Jeffrey Aubé University of North Carolina at Chapel Hill
Bruno Hagenbuch
Bruno Hagenbuch University of Kansas
Joshua D. Lambert
Joshua D. Lambert Pennsylvania State University
Tom J. Mabry
Tom J. Mabry The University of Texas at Austin
daniel c liebler
daniel c liebler Vanderbilt University
James J. Moon
James J. Moon University of Michigan–Ann Arbor

External Links

Personal website of Barbara N. Timmermann

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For students interested in Chemistry, related fields like forensic science offer exciting career opportunities. Many professionals in this area combine chemical knowledge with investigative skills to work in criminal justice and forensic investigations.

Exploring forensic psychology graduate programs online can be a great option for those looking to specialize in the psychological aspects of crime-solving alongside scientific analysis.

The field of forensic science provides diverse job roles such as crime lab analysts, toxicologists, and evidence specialists. Discovering more about careers in forensic science is essential for understanding how chemistry-related skills are applied in real-world scenarios.

When considering these pathways, it's important to weigh the financial investment. Understanding the cost of criminal justice degree programs can help students plan their education effectively.

Many start their careers with foundational qualifications such as online criminal justice associate degree programs, which offer flexible and affordable options to begin learning essential skills applicable to forensic science and related fields.

Best Scientists Citing Barbara N. Timmermann

Chung S. Yang

Chung S. Yang

Rutgers, The State University of New Jersey

Publications: 41

Chi-Tang Ho

Chi-Tang Ho

Rutgers, The State University of New Jersey

Publications: 28

Shengmin Sang

Shengmin Sang

North Carolina Agricultural and Technical State University

Publications: 27

Zigang Dong

Zigang Dong

University of Minnesota

Publications: 26

Hasan Mukhtar

Hasan Mukhtar

University of Wisconsin–Madison

Publications: 20

Ann M. Bode

Ann M. Bode

University of Minnesota

Publications: 17

Santosh K. Katiyar

Santosh K. Katiyar

University of Alabama at Birmingham

Publications: 15

Fayez K. Ghishan

Fayez K. Ghishan

University of Arizona

Publications: 15

Ling-Yi Kong

Ling-Yi Kong

China Pharmaceutical University

Publications: 13

Theodore R. Holman

Theodore R. Holman

University of California, Santa Cruz

Publications: 13

Wei-Dong Zhang

Wei-Dong Zhang

Second Military Medical University

Publications: 12

Shizuo Yamada

Shizuo Yamada

University of Shizuoka

Publications: 12

G. Tim Bowden

G. Tim Bowden

University of Arizona

Publications: 11

David R. Gang

David R. Gang

Washington State University

Publications: 11

Takashi Tanaka

Takashi Tanaka

Nagasaki University

Publications: 10

Scott G. Franzblau

Scott G. Franzblau

University of Illinois at Chicago

Publications: 10

Trending Scientists

Adam S. Foster

Adam S. Foster

Aalto University

S. M. Yusuf

S. M. Yusuf

Bhabha Atomic Research Centre

Tracy Langkilde

Tracy Langkilde

Pennsylvania State University

Cheng Li

Cheng Li

Peking University

Fengtang Yang

Fengtang Yang

Wellcome Sanger Institute

Diane M. Citron

Diane M. Citron

Michigan State University

Graeme E. Batley

Graeme E. Batley

Commonwealth Scientific and Industrial Research Organisation

R.D.G. Theakston

R.D.G. Theakston

Liverpool School of Tropical Medicine

Carlo C. Maley

Carlo C. Maley

Arizona State University

Jacques Boulègue

Jacques Boulègue

Sorbonne University

Trevor K. Archer

Trevor K. Archer

National Institutes of Health

David Klatzmann

David Klatzmann

Sorbonne University

Abdul Hamid Sheikh

Abdul Hamid Sheikh

University of Adelaide

Yossi Matias

Yossi Matias

Google (United States)

John H. Suh

John H. Suh

Cleveland Clinic

Ellen Ernst Kossek

Ellen Ernst Kossek

Purdue University West Lafayette

Related Chemistry Rankings & Guides

2026 How Much Does a Forensic Science Degree Program Cost? Tuition, Fees & Total Expense Breakdown

2026 How Much Does a Forensic Science Degree Program Cost? Tuition, Fees & Total Expense Breakdown
2026 Is Demand for Forensic Science Degree Graduates Growing or Declining?

2026 Is Demand for Forensic Science Degree Graduates Growing or Declining?
2026 Fastest Online Forensic Science Degree Programs You Can Finish in Under 2 Years

2026 Fastest Online Forensic Science Degree Programs You Can Finish in Under 2 Years
2026 How to Become a Medicolegal Death Investigator: Education, Salary, and Job Outlook

2026 How to Become a Medicolegal Death Investigator: Education, Salary, and Job Outlook
2026 Credit Requirements for a Forensic Science Degree Explained

2026 Credit Requirements for a Forensic Science Degree Explained
2026 Can You Get a Forensic Science Degree Master's Without a Related Bachelor's Degree?

2026 Can You Get a Forensic Science Degree Master's Without a Related Bachelor's Degree?
2026 Forensic Science Degree Coursework Explained: What Classes Can You Expect to Take?

2026 Forensic Science Degree Coursework Explained: What Classes Can You Expect to Take?
2026 How Fast Can You Get a Forensic Science Degree Online?

2026 How Fast Can You Get a Forensic Science Degree Online?
2026 How to Become a Coroner: Education, Salary, and Job Outlook

2026 How to Become a Coroner: Education, Salary, and Job Outlook
2026 Biotechnology Careers: Guide to Career Paths, Options & Salary

2026 Biotechnology Careers: Guide to Career Paths, Options & Salary
2026 How Fast Can You Get a Chemistry Degree Online?

2026 How Fast Can You Get a Chemistry Degree Online?
2026 How to Become a Medical Examiner: Education, Salary, and Job Outlook

2026 How to Become a Medical Examiner: Education, Salary, and Job Outlook
2026 How to Become a Crime Scene Photographer: Education, Salary, and Job Outlook

2026 How to Become a Crime Scene Photographer: Education, Salary, and Job Outlook
2026 Online Chemistry Degree Programs Costs: Tuition & Fees

2026 Online Chemistry Degree Programs Costs: Tuition & Fees

Recently Published Articles

2026 Online Supply Chain Management Bachelor's Degree Programs With Accelerated Courses

2026 Online Supply Chain Management Bachelor's Degree Programs With Accelerated Courses
2026 Questions to Ask About Online Real Estate Degree Programs Before You Enroll

2026 Questions to Ask About Online Real Estate Degree Programs Before You Enroll
2026 Music Education Degree Jobs That Do Not Require Licensure

2026 Music Education Degree Jobs That Do Not Require Licensure
2026 Best Online MBA for STEM-Focused Careers

2026 Best Online MBA for STEM-Focused Careers
2026 Best Online MSN/MBA Dual Degree Programs

2026 Best Online MSN/MBA Dual Degree Programs
2026 Online Criminal Justice Bachelor's Degree Programs With Weekly Start Dates

2026 Online Criminal Justice Bachelor's Degree Programs With Weekly Start Dates
2026 Easiest MPH Online Programs to Get Into

2026 Easiest MPH Online Programs to Get Into
2026 Associate to Bachelor's in Sports Psychology: Transfer Pathways Explained

2026 Associate to Bachelor's in Sports Psychology: Transfer Pathways Explained
2026 How Long Does It Take to Become a Dental Hygienist?

2026 How Long Does It Take to Become a Dental Hygienist?
2026 Fastest Online Master's Degree in Healthcare Management Programs

2026 Fastest Online Master's Degree in Healthcare Management Programs
2026 Online Forensic Science Bachelor's Degree Programs With Accelerated Courses

2026 Online Forensic Science Bachelor's Degree Programs With Accelerated Courses
2026 Most Affordable Online MBA in Business Analytics Degree Programs

2026 Most Affordable Online MBA in Business Analytics Degree Programs
2026 Associate to Bachelor's in Behavioral Health Science: Transfer Pathways Explained

2026 Associate to Bachelor's in Behavioral Health Science: Transfer Pathways Explained
2026 Do Online Medical Assisting Programs Offer Weekly Start Dates? Enrollment Calendar & Start Options

2026 Do Online Medical Assisting Programs Offer Weekly Start Dates? Enrollment Calendar & Start Options
2026 What Is a Logistics Manager? Salary & Career Paths

2026 What Is a Logistics Manager? Salary & Career Paths
2026 Is a 2-Year Digital Photography Degree Worth It: Accelerated Bachelor's ROI & Time Trade-Offs

2026 Is a 2-Year Digital Photography Degree Worth It: Accelerated Bachelor's ROI & Time Trade-Offs
2026 Most Affordable Online Clinical Psychology Graduate Programs

2026 Most Affordable Online Clinical Psychology Graduate Programs
2026 Online SLP Programs That Accept Low GPA Applicants

2026 Online SLP Programs That Accept Low GPA Applicants
2026 Best Online Paralegal Certificate Programs

2026 Best Online Paralegal Certificate Programs
2026 Game Development Career Hotspots: Cities With the Best Pay, Job Openings, and Growth

2026 Game Development Career Hotspots: Cities With the Best Pay, Job Openings, and Growth
2026 How to Become an Ecologist: Education, Salary, and Job Outlook

2026 How to Become an Ecologist: Education, Salary, and Job Outlook