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Topic · Nutrition and Dietetics

Selenium in Biological Systems

Selenium in Biological Systems is a research topic within Nutrition and Dietetics. Science Explorer counts 21k research works in it since 1950. 20.3% of them reached the world's top 10% most cited for their field and year.

This cluster of papers explores the role of selenium in human health, focusing on its importance as an essential nutrient, its involvement in selenoproteins and glutathione peroxidases, its impact on antioxidant mechanisms, cancer prevention, immunity, and its potential toxicity. The papers also cover selenium's role in nutrition, biofortification, and its diverse metabolic effects.

  • Selenium
  • Selenoproteins
  • Glutathione Peroxidases
  • Antioxidant
  • Nutrition
  • Cancer Prevention
  • Immunity
  • Toxicity
  • Metabolism
  • Biofortification
Research works
21k
fractional, since 1950
In the world top 10%
4.2k
per year above
Top-10% rate
20.3%
share of its works in the world top 10%
Growth, 2013–17 → 2018–22
+35%
the tick is no change

This ranks research output and citation impact. It says nothing about the quality of diagnosis, treatment or care.

Which countries lead Selenium in Biological Systems research?

By volume, China and the United States publish the most (1.3k and 272 works in 2022–2025).

By volume, 2022–2025

  1. 1 China 1.3k works
  2. 2 United States 272 works
  3. 3 India 271 works
  4. 4 Egypt 197 works
  5. 5 Iran 188 works
  6. 6 Russia 140 works
  7. 7 Brazil 113 works
  8. 8 Türkiye 112 works
  9. 9 Iraq 88 works
  10. 10 Poland 71 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

China: 47.7%United States: 9.8%India: 9.7%Egypt: 7.1%6 others listed: 25.7%48%largest
China1,324 · 47.7%United States272 · 9.8%India271 · 9.7%Egypt197 · 7.1%6 others listed713 · 25.7%

Shares of the rows listed above, not of the whole node.

Which institutions lead Selenium in Biological Systems research?

By volume in 2022–2025, Northeast Agricultural University publishes the most Selenium in Biological Systems research, followed by China Agricultural University and Wuhan Polytechnic University.

By volume, 2022–2025

  1. 1 Northeast Agricultural UniversityChina 28 works
  2. 2 China Agricultural UniversityChina 25 works
  3. 3 Wuhan Polytechnic UniversityChina 24 works
  4. 4 Huazhong Agricultural UniversityChina 22 works
  5. 5 Ministry of Agriculture and Rural AffairsChina 21 works
  6. 6 Saveetha UniversityIndia 20 works
  7. 7 Sichuan Agricultural UniversityChina 19 works
  8. 8 National Research CentreEgypt 17 works
  9. 9 Cairo UniversityEgypt 16 works
  10. 10 Shanxi Agricultural UniversityChina 15 works

Who are the leading researchers in Selenium in Biological Systems?

The most-cited researchers publishing on Selenium in Biological Systems include Jan‐Walter De Neve.

  1. 1 Jan‐Walter De Neve Germany 2.8k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

Where is Selenium in Biological Systems research done?

The largest centres of Selenium in Biological Systems research in 2022–2025 are Beijing (China), Wuhan (China), Guangzhou (China) and Tehran (Iran). Among places with at least 20 works in it, it is an unusually large share of all research in Ya'an.

Largest cities, 2022–2025

  1. 1 Beijing China 204 works
  2. 2 Wuhan China 90 works
  3. 3 Guangzhou China 75 works
  4. 4 Tehran Iran 59 works
  5. 5 Giza Egypt 45 works
  6. 6 Harbin China 45 works
  7. 7 Xi'an China 44 works
  8. 8 Nanjing China 43 works
  9. 9 Moscow Russia 43 works
  10. 10 Cairo Egypt 41 works

Where it is the local speciality

  1. Ya'anCN · 21.0 works19×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Selenium in Biological Systems than the world average.

See Selenium in Biological Systems on the map

Where is the best place to study Selenium in Biological Systems?

Among universities, judged by research, Northeast Agricultural University, Huazhong Agricultural University and Wuhan Polytechnic University score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%20%40%60%mean 38.23%fractional works in this node (log) →share in the world top 10% →Northeast Agricultural University: 28, 48.6%Huazhong Agricultural University: 22, 33.1%Wuhan Polytechnic University: 24, 46.4%China Agricultural University: 25, 42.1%Kafrelsheikh University: 10, 35.4%Northwest A&F University: 14, 33.8%Al-Azhar University: 12, 38.1%Zagazig University: 10, 29.8%Sichuan Agricultural University: 19, 25.2%Yangzhou University: 13, 49.8%Northeast Agricultur…Wuhan Polytechnic Un…China Agricultural U…Huazhong Agricultura…
above the meannear itbelow it

One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.

#UniversityScoreTop 10%SpecialisationWorksGrowth
1 Northeast Agricultural UniversityChina 76.148.6%28.4×28 +28.2%
2 Huazhong Agricultural UniversityChina 75.833.1%17.3×22 +340.8%
3 Wuhan Polytechnic UniversityChina 71.246.4%55.7×24 +2.8%
4 China Agricultural UniversityChina 70.942.1%11.8×25 +5.4%
5 Kafrelsheikh UniversityEgypt 70.435.4%23.7×10 +201.7%
6 Northwest A&F UniversityChina 67.633.8%9.7×14 +193.7%
7 Al-Azhar UniversityEgypt 58.338.1%8.2×12 —
8 Zagazig UniversityEgypt 56.529.8%7.4×10 +489.1%
9 Sichuan Agricultural UniversityChina 56.125.2%18.4×19 +12.4%
10 Yangzhou UniversityChina 56.049.8%6.4×13 +31.5%

Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.

Is Selenium in Biological Systems research growing?

Output in 2018–2022 was 35% higher than in 2013–2017, peaking in 2025. The fastest-growing topics are Selenium in Biological Systems.

19801990200020102020
grewheldshrank

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

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.