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Nonprofit · La Jolla · United States

Sequoia Foundation

sequoiafoundation.orgROR OpenAlex
Research works
19
▼ 6% vs 2018-21
Citations
934
50.1 per fractional work
Top-10% rate
11.7%
all institutions 10.0%
Open access
53%
world 40%
International
14%
world 18%
Sequoia Foundation

Not ranked overall: Sequoia Foundation is under the volume floor below which an excellence rate is noise. Not ranked is not the same as ranked last.

Which fields of science does Sequoia Foundation work in?

In all years, 48% of research at Sequoia Foundation is in Health Sciences, 37% in Physical Sciences. Its largest fields are Medicine (43%), Environmental Science (27%), Mathematics (7%). It does 1.6× the world's share of Health Sciences.

Health Sciences: 9 fractional works · 48.4% of its workMedicine: 8 fractional works · 43.3% of its workPediatrics, Perinatology and Child Health: 2 fractional works · 13.3% of its workObstetrics and Gynecology: 2 fractional works · 10.2% of its workPulmonary and Respiratory Medicine: 1 fractional works · 6.4% of its workEpidemiology: 1 fractional works · 3.4% of its workOncology: 0 fractional works · 2.1% of its workPhysiology: 0 fractional works · 2.1% of its workPublic Health, Environmental and Occupational Health: 0 fractional works · 2.1% of its workPathology and Forensic Medicine: 0 fractional works · 1.1% of its workPsychiatry and Mental health: 0 fractional works · 1.1% of its workPharmacology: 0 fractional works · 0.9% of its workHepatology: 0 fractional works · 0.4% of its workHealth Professions: 1 fractional works · 4.7% of its workGeneral Health Professions: 1 fractional works · 3.1% of its workEmergency Medical Services: 0 fractional works · 0.9% of its workOccupational Therapy: 0 fractional works · 0.4% of its workSpeech and Hearing: 0 fractional works · 0.4% of its workNursing: 0 fractional works · 0.4% of its workNutrition and Dietetics: 0 fractional works · 0.4% of its workPhysical Sciences: 7 fractional works · 37.0% of its workEnvironmental Science: 5 fractional works · 26.8% of its workHealth, Toxicology and Mutagenesis: 4 fractional works · 20.5% of its workEnvironmental Chemistry: 1 fractional works · 3.6% of its workGlobal and Planetary Change: 0 fractional works · 1.1% of its workPollution: 0 fractional works · 0.9% of its workWater Science and Technology: 0 fractional works · 0.6% of its workMathematics: 1 fractional works · 6.7% of its workStatistics and Probability: 1 fractional works · 6.7% of its workEarth and Planetary Sciences: 0 fractional works · 2.4% of its workAtmospheric Science: 0 fractional works · 2.4% of its workChemical Engineering: 0 fractional works · 0.9% of its workFluid Flow and Transfer Processes: 0 fractional works · 0.9% of its workEngineering: 0 fractional works · 0.2% of its workSafety, Risk, Reliability and Quality: 0 fractional works · 0.2% of its workLife Sciences: 2 fractional works · 9.5% of its workBiochemistry, Genetics and Molecular Biology: 1 fractional works · 4.1% of its workGenetics: 0 fractional works · 2.4% of its workCancer Research: 0 fractional works · 1.0% of its workClinical Biochemistry: 0 fractional works · 0.4% of its workMolecular Biology: 0 fractional works · 0.4% of its workImmunology and Microbiology: 0 fractional works · 2.5% of its workImmunology: 0 fractional works · 2.5% of its workNeuroscience: 0 fractional works · 2.4% of its workCognitive Neuroscience: 0 fractional works · 1.8% of its workEndocrine and Autonomic Systems: 0 fractional works · 0.6% of its workAgricultural and Biological Sciences: 0 fractional works · 0.6% of its workPlant Science: 0 fractional works · 0.6% of its workSocial Sciences: 1 fractional works · 5.1% of its workSocial Sciences: 1 fractional works · 3.2% of its workSociology and Political Science: 0 fractional works · 2.0% of its workEducation: 0 fractional works · 0.4% of its workDemography: 0 fractional works · 0.4% of its workHealth: 0 fractional works · 0.4% of its workPsychology: 0 fractional works · 1.0% of its workClinical Psychology: 0 fractional works · 1.0% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.9% of its workEconomics and Econometrics: 0 fractional works · 0.9% of its workALL ITS WORKSequoiaFoundation19fractional works, all years
Life Sciences10%Physical Sciences37%Health Sciences48%Social Sciences5%

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 15 fields, with their numbers
    1. Medicine843.3%
    2. Health Professions14.7%
    3. Nursing00.4%
    1. Environmental Science526.8%
    2. Mathematics16.7%
    3. Earth and Planetary Sciences02.4%
    4. Chemical Engineering00.9%
    5. Engineering00.2%
    1. Biochemistry, Genetics and Molecular Biology14.1%
    2. Immunology and Microbiology02.5%
    3. Neuroscience02.4%
    4. Agricultural and Biological Sciences00.6%
    1. Social Sciences13.2%
    2. Psychology01.0%
    3. Economics, Econometrics and Finance00.9%
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.

Immunology and Microbiology: 7.83× its world share, 0 worksImmunology and Micro…Neuroscience: 1.82× its world share, 0 worksNeuroscienceEngineering: 0.10× its world share, 0 worksEngineeringEnvironmental Science: 8.97× its world share, 1 worksEnvironmental ScienceHealth Professions: 4.49× its world share, 0 worksHealth ProfessionsMedicine: 1.22× its world share, 1 worksMedicineNursing: 1.86× its world share, 0 worksNursingPsychology: 0.97× its world share, 0 worksPsychologySocial Sciences: 0.31× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Environmental Science, 9.0×. Every wedge is a field page.

All 9 fields, with their numbers
  1. Environmental Science8.97×1 works
  2. Immunology and Microbiology7.83×0 works
  3. Health Professions4.49×0 works
  4. Nursing1.86×0 works
  5. Neuroscience1.82×0 works
  6. Medicine1.22×1 works
  7. Psychology0.97×0 works
  8. Social Sciences0.31×0 works
  9. Engineering0.10×0 works

What are the most cited papers from Sequoia Foundation?

The most cited paper from Sequoia Foundation is "Poly- and perfluoroalkyl substances in wastewater: Significance of unknown precursors, manufacturing shifts, and likely AFFF impacts" (Erika F. Houtz, Rebecca Sutton, June-Soo Park et al., 2016), with 374 citations. Next come "Juggling Work and Breastfeeding: Effects of Maternity Leave and Occupational Characteristics" (294) and "A comparison of LMP‐based and ultrasound‐based estimates of gestational age using linked California livebirth and prenatal screening records" (211).

Most cited papers
#PaperReleasedCitations
1 Poly- and perfluoroalkyl substances in wastewater: Significance of unknown precursors, manufacturing shifts, and likely AFFF impacts Erika F. Houtz, Rebecca Sutton, June-Soo Park et al. · Water Research 10 Mar 2016 374
2 Juggling Work and Breastfeeding: Effects of Maternity Leave and Occupational Characteristics Sylvia Guendelman, Jessica Lang Kosa, Michelle Pearl et al. · PEDIATRICS 29 Dec 2008 294
3 A comparison of LMP‐based and ultrasound‐based estimates of gestational age using linked California livebirth and prenatal screening records Patricia M. Dietz, Lucinda J. England, William M. Callaghan et al. · Paediatric and Perinatal Epidemiology 30 Aug 2007 211
4 Environmental Tobacco Smoke and Pregnancy Outcome Martin Kharrazi, Gerald N. DeLorenze, Farla L. Kaufman et al. · Epidemiology 8 Oct 2004 191
5 Newborn Screening for Cystic Fibrosis in California Martin Kharrazi, Juan Yang, Tracey Bishop et al. · PEDIATRICS 16 Nov 2015 147
All 65 most cited papers, with filters and sorting

Which research topics does Sequoia Foundation publish most on?

By volume in 2022-now: Air Quality and Health Impacts, Disaster Response and Management, Cannabis and Cannabinoid Research and Homelessness and Social Issues.

Air Quality and Health I…0Air Quality and Health Impacts: 0 fractional worksDisaster Response and Management: 0 fractional worksCannabis and Cannabinoid…0Cannabis and Cannabinoid Research: 0 fractional worksHomelessness and Social …0Homelessness and Social Issues: 0 fractional worksClimate Change and Healt…0Climate Change and Health Impacts: 0 fractional worksPrenatal Substance Expos…0Prenatal Substance Exposure Effects: 0 fractional worksFire effects on ecosystems: 0 fractional worksReproductive System and Pregnancy: 0 fractional worksEnvironmental Justice and Health Disparities: 0 fractional worksImmune responses and vaccinations: 0 fractional works
Health, Toxicology and MutagenesisEmergency Medical ServicesPharmacologyGeneral Health Professions4 others

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

  1. 1 Air Quality and Health Impacts Health, Toxicology and Mutagenesis 0 works
  2. 2 Disaster Response and Management Emergency Medical Services 0 works
  3. 3 Cannabis and Cannabinoid Research Pharmacology 0 works
  4. 4 Homelessness and Social Issues General Health Professions 0 works
  5. 5 Climate Change and Health Impacts Health, Toxicology and Mutagenesis 0 works
  6. 6 Prenatal Substance Exposure Effects Pediatrics, Perinatology and Child Health 0 works
  7. 7 Fire effects on ecosystems Global and Planetary Change 0 works
  8. 8 Reproductive System and Pregnancy Immunology 0 works
  9. 9 Environmental Justice and Health Disparities Sociology and Political Science 0 works
  10. 10 Immune responses and vaccinations Immunology 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 available52.8%not open47.2%

World: 40% of research is openly available.

with international co-authors13.6%domestic only86.4%

World: 18% is written across borders.

How has Sequoia Foundation's research output changed?

Output in 2022-2025 was 6% lower than in 2018-2021.

still counting200020052010201520202025
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 Sequoia Foundation as a percentage of every work published that year, 0.0000083% in 2024.

still counting0.000025%0.000050%0.000075%Sequoia Foundation0.0000029% in 2025200020102020

Fractional works of Sequoia Foundation over all fractional works that year. How the balance of science has shifted.

Other research institutions in La Jolla

All research institutions in La Jolla

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners have tabs of their own, above.

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