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Research facility · Sacramento · United States

Northern California Research

In research, Northern California Research stands highest in Medicine (#5,126 of 14,558 worldwide) and Health Sciences (#5,919 of 16,688 worldwide), over all time.

northerncaliforniaresearch.comROR OpenAlex
World rank, all time
#13,577
of 34,923
Rank in United States
#2,801
of 7,310
Research works
351
▼ 55% vs 2018-21
Citations
14k
38.8 per fractional work
Top-10% rate
10.6%
all institutions 10.0%
vs its own fields
1.20×
1.00× is exactly expected
Open access
23%
world 40%
International
12%
world 18%
Northern California Research

What is Northern California Research known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
MedicineField #5,126 of 14,558 17.0%172
Health SciencesDomain #5,919 of 16,688 17.2%190

Each strip is that field's whole ranked pool, with the notch where Northern California Research sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Northern California Research work in?

In all years, 54% of research at Northern California Research is in Health Sciences, 17% in Social Sciences. Its largest fields are Medicine (49%), Biochemistry, Genetics and Molecular Biology (8%), Social Sciences (8%). It does 2.3× the world's share of Health Sciences.

Health Sciences: 190 fractional works · 54.2% of its workMedicine: 172 fractional works · 49.1% of its workOncology: 34 fractional works · 9.7% of its workPulmonary and Respiratory Medicine: 19 fractional works · 5.3% of its workSurgery: 17 fractional works · 5.0% of its workEpidemiology: 11 fractional works · 3.2% of its workPublic Health, Environmental and Occupational Health: 10 fractional works · 3.0% of its workPhysiology: 9 fractional works · 2.5% of its workCardiology and Cardiovascular Medicine: 7 fractional works · 2.1% of its workPathology and Forensic Medicine: 7 fractional works · 2.0% of its workRadiology, Nuclear Medicine and Imaging: 6 fractional works · 1.8% of its workPediatrics, Perinatology and Child Health: 4 fractional works · 1.2% of its workDermatology: 4 fractional works · 1.2% of its workReproductive Medicine: 4 fractional works · 1.0% of its workImmunology and Allergy: 3 fractional works · 1.0% of its workObstetrics and Gynecology: 3 fractional works · 0.9% of its workEndocrinology, Diabetes and Metabolism: 3 fractional works · 0.9% of its workHematology: 3 fractional works · 0.8% of its workGenetics: 3 fractional works · 0.8% of its workOtorhinolaryngology: 3 fractional works · 0.8% of its workInfectious Diseases: 2 fractional works · 0.7% of its workNeurology: 2 fractional works · 0.6% of its workPsychiatry and Mental health: 2 fractional works · 0.5% of its workRheumatology: 2 fractional works · 0.5% of its workOphthalmology: 2 fractional works · 0.5% of its workPharmacology: 2 fractional works · 0.4% of its workAnesthesiology and Pain Medicine: 1 fractional works · 0.4% of its workHepatology: 1 fractional works · 0.4% of its workEmergency Medicine: 1 fractional works · 0.4% of its workOrthopedics and Sports Medicine: 1 fractional works · 0.3% of its workGastroenterology: 1 fractional works · 0.2% of its workUrology: 1 fractional works · 0.2% of its workSmaller subfields together: 3 fractional works · 0.9% of its workHealth Professions: 16 fractional works · 4.4% of its workGeneral Health Professions: 10 fractional works · 2.8% of its workEmergency Medical Services: 2 fractional works · 0.7% of its workHealth Information Management: 1 fractional works · 0.4% of its workSpeech and Hearing: 1 fractional works · 0.3% of its workOccupational Therapy: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workNursing: 2 fractional works · 0.4% of its workNutrition and Dietetics: 2 fractional works · 0.4% of its workVeterinary: 1 fractional works · 0.1% of its workDentistry: 0 fractional works · 0.1% of its workSocial Sciences: 60 fractional works · 17.1% of its workSocial Sciences: 27 fractional works · 7.6% of its workSociology and Political Science: 10 fractional works · 2.9% of its workDemography: 4 fractional works · 1.0% of its workPolitical Science and International Relations: 3 fractional works · 0.9% of its workHealth: 3 fractional works · 0.8% of its workLaw: 2 fractional works · 0.4% of its workGeography, Planning and Development: 1 fractional works · 0.4% of its workEducation: 1 fractional works · 0.3% of its workGender Studies: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.6% of its workEconomics, Econometrics and Finance: 9 fractional works · 2.5% of its workEconomics and Econometrics: 7 fractional works · 2.1% of its workFinance: 1 fractional works · 0.4% of its workPsychology: 9 fractional works · 2.4% of its workClinical Psychology: 5 fractional works · 1.5% of its workSocial Psychology: 2 fractional works · 0.6% of its workSmaller subfields together: 1 fractional works · 0.4% of its workBusiness, Management and Accounting: 6 fractional works · 1.8% of its workManagement Information Systems: 2 fractional works · 0.5% of its workManagement of Technology and Innovation: 2 fractional works · 0.4% of its workStrategy and Management: 2 fractional works · 0.4% of its workMarketing: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workArts and Humanities: 5 fractional works · 1.4% of its workPhilosophy: 3 fractional works · 0.7% of its workSmaller subfields together: 2 fractional works · 0.7% of its workDecision Sciences: 4 fractional works · 1.3% of its workManagement Science and Operations Research: 3 fractional works · 0.8% of its workStatistics, Probability and Uncertainty: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workPhysical Sciences: 58 fractional works · 16.5% of its workEngineering: 23 fractional works · 6.5% of its workElectrical and Electronic Engineering: 9 fractional works · 2.5% of its workBiomedical Engineering: 6 fractional works · 1.8% of its workMedia Technology: 2 fractional works · 0.5% of its workSafety, Risk, Reliability and Quality: 1 fractional works · 0.3% of its workMechanical Engineering: 1 fractional works · 0.3% of its workAerospace Engineering: 1 fractional works · 0.3% of its workComputational Mechanics: 1 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.6% of its workEnvironmental Science: 12 fractional works · 3.5% of its workHealth, Toxicology and Mutagenesis: 4 fractional works · 1.1% of its workEcology: 3 fractional works · 0.8% of its workGlobal and Planetary Change: 2 fractional works · 0.7% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.2% of its workPollution: 1 fractional works · 0.2% of its workSmaller subfields together: 2 fractional works · 0.5% of its workComputer Science: 11 fractional works · 3.0% of its workInformation Systems: 5 fractional works · 1.4% of its workArtificial Intelligence: 3 fractional works · 0.8% of its workComputer Networks and Communications: 1 fractional works · 0.3% of its workSmaller subfields together: 2 fractional works · 0.5% of its workMathematics: 3 fractional works · 0.8% of its workStatistics and Probability: 2 fractional works · 0.7% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 3 fractional works · 0.7% of its workMaterials Chemistry: 2 fractional works · 0.5% of its workSmaller subfields together: 1 fractional works · 0.3% of its workPhysics and Astronomy: 2 fractional works · 0.7% of its workAtomic and Molecular Physics, and Optics: 1 fractional works · 0.4% of its workRadiation: 1 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 2 fractional works · 0.7% of its workPhysical and Theoretical Chemistry: 1 fractional works · 0.4% of its workOrganic Chemistry: 1 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.0% of its workChemical Engineering: 1 fractional works · 0.2% of its workEarth and Planetary Sciences: 1 fractional works · 0.2% of its workEnergy: 0 fractional works · 0.1% of its workLife Sciences: 43 fractional works · 12.3% of its workBiochemistry, Genetics and Molecular Biology: 29 fractional works · 8.2% of its workMolecular Biology: 11 fractional works · 3.1% of its workCancer Research: 6 fractional works · 1.8% of its workGenetics: 6 fractional works · 1.7% of its workBiophysics: 1 fractional works · 0.4% of its workCell Biology: 1 fractional works · 0.4% of its workBiochemistry: 1 fractional works · 0.3% of its workClinical Biochemistry: 1 fractional works · 0.2% of its workSmaller subfields together: 1 fractional works · 0.2% of its workAgricultural and Biological Sciences: 5 fractional works · 1.4% of its workPlant Science: 1 fractional works · 0.4% of its workSoil Science: 1 fractional works · 0.3% of its workGeneral Agricultural and Biological Sciences: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.4% of its workImmunology and Microbiology: 4 fractional works · 1.2% of its workImmunology: 3 fractional works · 0.9% of its workSmaller subfields together: 1 fractional works · 0.3% of its workNeuroscience: 4 fractional works · 1.0% of its workCognitive Neuroscience: 2 fractional works · 0.4% of its workNeurology: 1 fractional works · 0.3% of its workSmaller subfields together: 1 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 2 fractional works · 0.5% of its workPharmacology: 1 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workALL ITS WORKNorthernCalifornia…351fractional works, all years
Life Sciences12%Physical Sciences17%Health Sciences54%Social Sciences17%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in all years. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 26 fields, with their numbers
    1. Medicine17249.1%
    2. Health Professions164.4%
    3. Nursing20.4%
    4. Veterinary10.1%
    5. Dentistry00.1%
    1. Social Sciences277.6%
    2. Economics, Econometrics and Finance92.5%
    3. Psychology92.4%
    4. Business, Management and Accounting61.8%
    5. Arts and Humanities51.4%
    6. Decision Sciences41.3%
    1. Engineering236.5%
    2. Environmental Science123.5%
    3. Computer Science113.0%
    4. Mathematics30.8%
    5. Materials Science30.7%
    6. Physics and Astronomy20.7%
    7. Chemistry20.7%
    8. Chemical Engineering10.2%
    9. Earth and Planetary Sciences10.2%
    10. Energy00.1%
    1. Biochemistry, Genetics and Molecular Biology298.2%
    2. Agricultural and Biological Sciences51.4%
    3. Immunology and Microbiology41.2%
    4. Neuroscience41.0%
    5. Pharmacology, Toxicology and Pharmaceutics20.5%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 0.30× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.46× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 3.58× its world share, 1 worksImmunology and Micro…Neuroscience: 1.19× its world share, 0 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 6.09× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.46× its world share, 0 worksChemistryEarth and Planetary Sciences: 1.37× its world share, 0 worksEarth and Planetary …Engineering: 0.02× its world share, 0 worksEngineeringEnvironmental Science: 3.99× its world share, 3 worksEnvironmental ScienceMathematics: 0.37× its world share, 0 worksMathematicsHealth Professions: 0.81× its world share, 0 worksHealth ProfessionsMedicine: 2.37× its world share, 7 worksMedicineVeterinary: 5.27× its world share, 0 worksVeterinaryBusiness, Management and Accounting: 1.47× its world share, 1 worksBusiness, Management…Psychology: 0.72× its world share, 0 worksPsychologySocial Sciences: 0.35× its world share, 1 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Pharmacology, Toxicology and Pharmaceutics, 6.1×. Every wedge is a field page.

All 16 fields, with their numbers
  1. Pharmacology, Toxicology and Pharmaceutics6.09×0 works
  2. Veterinary5.27×0 works
  3. Environmental Science3.99×3 works
  4. Immunology and Microbiology3.58×1 works
  5. Medicine2.37×7 works
  6. Business, Management and Accounting1.47×1 works
  7. Biochemistry, Genetics and Molecular Biology1.46×1 works
  8. Earth and Planetary Sciences1.37×0 works
  9. Neuroscience1.19×0 works
  10. Health Professions0.81×0 works
  11. Psychology0.72×0 works
  12. Chemistry0.46×0 works
  13. Mathematics0.37×0 works
  14. Social Sciences0.35×1 works
  15. Agricultural and Biological Sciences0.30×0 works
  16. Engineering0.02×0 works

Who are the top researchers at Northern California Research?

Ranked on the quality score, Joan Berlin Kelly, John F. Hannigan and Douglas G. Young lead among researchers whose main affiliation is Northern California Research.

  1. 1 Joan Berlin Kelly United States · #261,489 worldwide 7.1k citations · 75 works
  2. 2 John F. Hannigan United States · #1,152,173 worldwide 2.5k citations · 32 works
  3. 3 Douglas G. Young United States · #1,392,495 worldwide 1.6k citations · 33 works
  4. 4 Douglas W. Hershey United States · #2,120,844 worldwide 1.4k citations · 26 works
  5. 5 Marsha Kohler United States · #2,543,850 worldwide 741 citations · 23 works
  6. 6 Rita Zhang United States · #2,762,782 worldwide 78 citations · 26 works
  7. 7 Kanwal Khipple United States · #3,394,135 worldwide 5 citations · 16 works
  8. 8 Eric Overfield United States · #3,442,434 worldwide 5 citations · 18 works
  9. 9 Albert Wahl United States · #3,825,885 worldwide 10 citations · 20 works
All ranked researchers at Northern California Research

What are the most cited papers from Northern California Research?

The most cited paper from Northern California Research is "The Importance of Race and Ethnic Background in Biomedical Research and Clinical Practice" (Esteban G. Burchard, Elad Ziv, Natasha E. Coyle et al., 2003), with 1,126 citations. Next come "Migration Patterns and Breast Cancer Risk in Asian-American Women" (1,101) and "Body image and sexual problems in young women with breast cancer" (891).

Most cited papers
#PaperReleasedCitations
1 The Importance of Race and Ethnic Background in Biomedical Research and Clinical Practice Esteban G. Burchard, Elad Ziv, Natasha E. Coyle et al. · New England Journal of Medicine 19 Mar 2003 1,126
2 Migration Patterns and Breast Cancer Risk in Asian-American Women Regina G. Ziegler, Robert N. Hoover, Malcolm C. Pike et al. · JNCI Journal of the National Cancer Institute 17 Nov 1993 1,101
3 Body image and sexual problems in young women with breast cancer Pat Fobair, SUSAN LEROY STEWART, Subo Chang et al. · Psycho-Oncology Open access 15 Nov 2005 891
4 Striatal dopamine nerve terminal markers in human, chronic methamphetamine users Julie M. Wilson, Kathryn S. Kalasinsky, Allan I. Levey et al. · Nature Medicine Jun 1996 721
5 Prostate Cancer in Relation to Diet, Physical Activity, and Body Size in Blacks, Whites, and Asians in the United States and Canada Alice S. Whittemore, Laurence N. Kolonel, Anna H. Wu et al. · JNCI Journal of the National Cancer Institute 3 May 1995 671
All 60 most cited papers, with filters and sorting

Which keywords describe research at Northern California Research?

By fractional works in all years, weighted toward what it does more of than the world: Chemotherapy, Epidemiology, Quality of Life, Cancer Incidence, Breast Cancer, Risk Factors, Health Disparities and Survival Analysis.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in all years in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Epidemiology31▲ 2.2×72 topics
  2. Chemotherapy24▲ 9.7×22 topics
  3. Quality of Life19▲ 4.1×31 topics
  4. Risk Factors16▲ 4.4×16 topics
  5. Inflammation16▲ 1.91×40 topics
  6. Cancer Incidence14▲ 28×4 topics
  7. Breast Cancer14▲ 14×10 topics
  8. Oxidative Stress12▲ 1.83×27 topics
  9. Treatment11▲ 2.4×25 topics
  10. Health Disparities10▲ 14×8 topics
  11. Immunotherapy10▲ 4.3×15 topics
  12. Cancer10▲ 1.97×22 topics
  13. Public Health9▲ 1.95×26 topics
  14. Radiotherapy9▲ 6.6×11 topics
  15. Cardiovascular Disease9▲ 2.2×25 topics
  16. Clinical Trials9▲ 4.0×11 topics
  17. Survival Analysis9▲ 9.2×7 topics
  18. Clinical Practice Guidelines8▲ 4.2×10 topics
  19. Obesity8▲ 3.1×13 topics
  20. Prognostic Factors8▲ 5.2×14 topics
  21. Asthma8▲ 18×2 topics
  22. Global Burden8▲ 4.1×10 topics
  23. Mortality Rates8▲ 23×2 topics
  24. Population-Based Study8▲ 37×2 topics
  25. Metastatic Breast Cancer8▲ 33×2 topics
  26. Preventive Services8▲ 39×2 topics
  27. Breast Cancer Screening7▲ 53×1 topic
  28. Global Surveillance7▲ 53×1 topic
  29. Prevention7▲ 5.2×8 topics
  30. Survival7▲ 16×4 topics
  31. Neurotoxicity7▲ 11×4 topics
  32. Chemotherapy-Induced Peripheral Neuropathy6▲ 35×1 topic
  33. Taxanes6▲ 35×1 topic
  34. Human Papillomavirus6▲ 14×3 topics
  35. Neoadjuvant Therapy6▲ 7.6×5 topics
  36. Ovarian Cancer6▲ 18×3 topics
  37. Immunology6▲ 14×2 topics
  38. Cervical Cancer5▲ 15×2 topics
  39. Allergic Diseases5▲ 17×1 topic
  40. Eosinophils5▲ 17×1 topic

Which research topics does Northern California Research publish most on?

By volume in 2022-now: Wildlife-Road Interactions and Conservation, Wildlife Ecology and Conservation, Cervical Cancer and HPV Research and E-Government and Public Services.

Wildlife-Road Interactio…1Wildlife-Road Interactions and Conservation: 1 fractional worksWildlife Ecology and Conservation: 1 fractional worksCervical Cancer and HPV Research: 0 fractional worksE-Government and Public Services: 0 fractional worksInformation Technology Governance and Strategy: 0 fractional worksMultiple Myeloma Research and Treatments: 0 fractional worksPharmacy and Medical Practices: 0 fractional worksInnovative Approaches in Technology and Social Development: 0 fractional worksEcology and biodiversity studies: 0 fractional worksSpecies Distribution and Climate Change: 0 fractional works
EcologyEpidemiologyPolitical Science and International RelationsManagement Information Systems4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Wildlife-Road Interactions and Conservation Ecology 1 works
  2. 2 Wildlife Ecology and Conservation Ecology 1 works
  3. 3 Cervical Cancer and HPV Research Epidemiology 0 works
  4. 4 E-Government and Public Services Political Science and International Relations 0 works
  5. 5 Information Technology Governance and Strategy Management Information Systems 0 works
  6. 6 Multiple Myeloma Research and Treatments Hematology 0 works
  7. 7 Pharmacy and Medical Practices Pharmacology 0 works
  8. 8 Innovative Approaches in Technology and Social Development Management of Technology and Innovation 0 works
  9. 9 Ecology and biodiversity studies Ecology 0 works
  10. 10 Species Distribution and Climate Change Ecological Modeling 0 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available23.3%not open76.7%

World: 40% of research is openly available.

with international co-authors11.8%domestic only88.2%

World: 18% is written across borders.

How has Northern California Research's research output changed?

Output in 2022-2025 was 55% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Northern California Research as a percentage of every work published that year, 0.000035% in 2024.

still counting0.0020%0.0040%Northern California Research0.000082% in 202519801990200020102020

Fractional works of Northern California Research over all fractional works that year. How the balance of science has shifted.

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Northern California Research on Science Explorer

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