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Hospital / health system · Sofia · Bulgaria

National Center of Radiobiology and Radiation Protection

ncrrp.org/bg/ncrrz-nachaloROR OpenAlex
World rank, all time
#39,400
of 42,892
Rank in Bulgaria
#109
of 122
Research works
168
▼ 39% vs 2013–17
Citations
2k
11.8 per fractional work
Top-10% rate
4.2%
record average 16.5%
Open access
40%
world 28%

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: 0.60× its world share, 0 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 2.02× its world share, 1 worksBiochemistry, Geneti…Immunology and Microbiology: 0.24× its world share, 0 worksImmunology and Micro…Computer Science: 0.59× its world share, 1 worksComputer ScienceEngineering: 0.45× its world share, 1 worksEngineeringEnvironmental Science: 2.90× its world share, 2 worksEnvironmental ScienceMaterials Science: 1.58× its world share, 1 worksMaterials SciencePhysics and Astronomy: 1.18× its world share, 0 worksPhysics and AstronomyHealth Professions: 11.13× its world share, 4 worksHealth ProfessionsMedicine: 0.98× its world share, 2 worksMedicineSocial 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: Health Professions, 11.1×. Every wedge is a field page.

Who are the top researchers at National Center of Radiobiology and Radiation Protection?

Ranked on the composite score, J. Vassileva lead among researchers whose main affiliation is National Center of Radiobiology and Radiation Protection.

  1. 1 J. Vassileva Bulgaria · #272,050 worldwide 53 citations · 22 works
All ranked researchers at National Center of Radiobiology and Radiation Protection

Which keywords describe research at National Center of Radiobiology and Radiation Protection?

By fractional works in all years, weighted toward what it does more of than the world: Ionizing Radiation, Radiation Exposure, Cancer Risk, Computed Tomography, Diagnostic Imaging, Health Effects, Radionuclides and Environmental Impact.

▲ 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. Ionizing Radiation39▲ 257×3 topics
  2. Radiation Exposure25▲ 122×2 topics
  3. Cancer Risk25▲ 57×2 topics
  4. Computed Tomography25▲ 259×1 topic
  5. Diagnostic Imaging25▲ 113×1 topic
  6. Health Effects23▲ 22×7 topics
  7. Radionuclides21▲ 234×2 topics
  8. Environmental Impact15▲ 6.8×6 topics
  9. Oxidative Stress14▲ 4.6×21 topics
  10. Toxicity14▲ 19×6 topics
  11. Lung Cancer13▲ 47×2 topics
  12. Depleted Uranium13▲ 279×1 topic
  13. Radon13▲ 279×1 topic
  14. Genomic Instability11▲ 50×3 topics
  15. DNA Damage10▲ 44×3 topics
  16. Radiotherapy10▲ 15×5 topics
  17. Risk Assessment9▲ 9.3×5 topics
  18. Apoptosis9▲ 14×5 topics
  19. Cancer8▲ 3.5×17 topics
  20. Dual-Energy CT8▲ 119×1 topic
  21. Material Differentiation8▲ 119×1 topic
  22. Fibrosis8▲ 25×2 topics
  23. Bystander Effects8▲ 218×1 topic
  24. Radiation8▲ 218×1 topic
  25. Fukushima Daiichi8▲ 185×1 topic
  26. nuclear accident8▲ 185×1 topic
  27. Biomonitoring8▲ 37×3 topics
  28. Environmental Monitoring7▲ 14×2 topics
  29. Comet Assay7▲ 93×1 topic
  30. Genotoxicity Testing7▲ 93×1 topic
  31. Food Safety6▲ 12×5 topics
  32. Antioxidant Activity5▲ 5.5×9 topics
  33. Digital Mammography5▲ 178×1 topic
  34. Mammographic Density5▲ 178×1 topic
  35. Quality Characteristics4▲ 54×2 topics
  36. Gamma Irradiation4▲ 88×2 topics
  37. Dosimetry4▲ 23×2 topics
  38. Consumer Acceptance4▲ 39×2 topics
  39. Food Irradiation4▲ 161×1 topic
  40. Irradiation Effects4▲ 161×1 topic

Which research topics does National Center of Radiobiology and Radiation Protection publish most on?

By volume in 2022–2025: Radioactivity and Radon Measurements, Radiation Dose and Imaging, Radioactive contamination and transfer and Risk Perception and Management.

Radioactivity and Radon …4Radioactivity and Radon Measurements: 4 fractional worksRadiation Dose and Imaging: 2 fractional worksRadioactive contaminatio…2Radioactive contamination and transfer: 2 fractional worksRisk Perception and Mana…0Risk Perception and Management: 0 fractional worksGraphite, nuclear technology, radiation studies: 0 fractional worksCurcumin's Biomedical Applications: 0 fractional worksRetinoids in leukemia and cellular processes: 0 fractional worksGenomics, phytochemicals, and oxidative stress: 0 fractional worksNuclear and radioactivity studies: 0 fractional worksNeural Networks and Applications: 0 fractional works
Radiological and Ultrasound TechnologyRadiology, Nuclear Medicine and ImagingGlobal and Planetary ChangeSociology and Political Science5 others

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

  1. 1 Radioactivity and Radon Measurements Radiological and Ultrasound Technology 4 works
  2. 2 Radiation Dose and Imaging Radiology, Nuclear Medicine and Imaging 2 works
  3. 3 Radioactive contamination and transfer Global and Planetary Change 2 works
  4. 4 Risk Perception and Management Sociology and Political Science 0 works
  5. 5 Graphite, nuclear technology, radiation studies Materials Chemistry 0 works
  6. 6 Curcumin's Biomedical Applications Molecular Medicine 0 works
  7. 7 Retinoids in leukemia and cellular processes Molecular Biology 0 works
  8. 8 Genomics, phytochemicals, and oxidative stress Molecular Biology 0 works
  9. 9 Nuclear and radioactivity studies Safety, Risk, Reliability and Quality 0 works
  10. 10 Neural Networks and Applications Artificial Intelligence 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 available39.8%not open60.2%

World: 28% of research is openly available.

with international co-authors32.8%domestic only67.2%

World: 19% is written across borders.

How has National Center of Radiobiology and Radiation Protection's research output changed?

Output in 2018–2022 was 39% lower than in 2013–2017.

1990200020102020
grewheldshrank

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

Other research institutions in Sofia

All research institutions in Sofia

Research measures only: rankings here say nothing about teaching, admissions or student experience. Comparable institutions and collaboration partners are in the interactive view on the map.