Science Explorer Back to mapMap
Discussion
Topic · Pulmonary and Respiratory Medicine

Photodynamic Therapy Research Studies

Photodynamic Therapy Research Studies is a research topic within Pulmonary and Respiratory Medicine. Science Explorer counts 26k research works in it since 1950. 10.0% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the application of photodynamic therapy (PDT) in oncology and microbiology. It covers topics such as cancer treatment, photosensitizers, singlet oxygen, antimicrobial PDT, nanoparticles, tumor imaging, cell death pathways, and reactive oxygen species. The papers discuss the mechanisms, clinical applications, and future directions of PDT in treating cancer and localized infections.

  • Photodynamic Therapy
  • Cancer Treatment
  • Photosensitizers
  • Singlet Oxygen
  • Antimicrobial
  • Nanoparticles
  • Tumor Imaging
  • Cell Death Pathways
  • Reactive Oxygen Species
  • Clinical Applications
Research works
26k
fractional, since 1950
In the world top 10%
2.6k
per year above
Top-10% rate
10.0%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+20%
the tick is no change
Largest producer
China
47% of the 10 largest, 2022-now
Photodynamic Therapy Research Studies

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

Which countries lead Photodynamic Therapy Research Studies research?

By volume, China and the United States publish the most (1.9k and 623 works in 2022-now).

By volume, 2022-now

  1. 1 China 1.9k works
  2. 2 United States 623 works
  3. 3 Russia 274 works
  4. 4 Japan 268 works
  5. 5 India 266 works
  6. 6 Brazil 246 works
  7. 7 South Korea 148 works
  8. 8 Türkiye 140 works
  9. 9 Poland 129 works
  10. 10 Germany 127 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: 46.6%United States: 15.0%Russia: 6.6%Japan: 6.4%6 others listed: 25.4%47%largest
China1,942 · 46.6%United States623 · 15.0%Russia274 · 6.6%Japan268 · 6.4%6 others listed1,056 · 25.4%

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

Which institutions lead Photodynamic Therapy Research Studies research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Photodynamic Therapy Research Studies research, followed by Chinese Academy of Sciences and Sichuan University.

By volume, 2022-now

  1. 1 Russian Academy of SciencesRussia 90 works
  2. 2 Chinese Academy of SciencesChina 77 works
  3. 3 Sichuan UniversityChina 46 works
  4. 4 Shanghai Jiao Tong UniversityChina 44 works
  5. 5 Universidade de São PauloBrazil 42 works
  6. 6 Centre National de la Recherche ScientifiqueFrance 42 works
  7. 7 University of JohannesburgSouth Africa 41 works
  8. 8 Harvard UniversityUnited States 38 works
  9. 9 Southern Medical UniversityChina 34 works
  10. 10 Fudan UniversityChina 33 works

Who are the leading researchers in Photodynamic Therapy Research Studies?

The most-cited researchers publishing on Photodynamic Therapy Research Studies include Michaël Grätzel, Guido Kroemer and Róbert Langer.

  1. 1 Michaël Grätzel Switzerland 458k citations
  2. 2 Guido Kroemer France 386k citations
  3. 3 Róbert Langer United States 303k citations
  4. 4 Wei Huang China 267k citations
  5. 5 Ben Zhong Tang China 261k citations
  6. 6 Amirhossein Sahebkar Iran 258k citations

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

What are the most cited papers in Photodynamic Therapy Research Studies?

The most cited paper in Photodynamic Therapy Research Studies is "Photodynamic therapy for cancer" (Dennis E. J. G. J. Dolmans, Dai Fukumura, Rakesh K. Jain, 2003), with 6,780 citations. Next come "Photodynamic therapy of cancer: An update" (5,169) and "Photodynamic Therapy" (4,711).

Most cited papers
#PaperReleasedCitations
1 Photodynamic therapy for cancer Dennis E. J. G. J. Dolmans, Dai Fukumura, Rakesh K. Jain · Nature reviews. Cancer Review May 2003 6,780
2 Photodynamic therapy of cancer: An update Patrizia Agostinis, Kristian Berg, Keith A. Cengel et al. · CA A Cancer Journal for Clinicians Open access 26 May 2011 5,169
3 Photodynamic Therapy Thomas J. Dougherty, Charles J. Gomer, Barbara W. Henderson et al. · JNCI Journal of the National Cancer Institute Open access 17 Jun 1998 4,711
4 Clinical development and potential of photothermal and photodynamic therapies for cancer Xingshu Li, Jonathan F. Lovell, Juyoung Yoon et al. · Nature Reviews Clinical Oncology Review 22 Jul 2020 3,467
5 Fluorescence-guided surgery with 5-aminolevulinic acid for resection of malignant glioma: a randomised controlled multicentre phase III trial Walter Stummer, Uwe Pichlmeier, Thomas R. Meinel et al. · The Lancet Oncology 13 Apr 2006 3,416
All 100 most cited papers, with filters and sorting

Where is Photodynamic Therapy Research Studies research done?

The largest centres of Photodynamic Therapy Research Studies research in 2022-now are Beijing (China), Shanghai (China), Guangzhou (China) and Moscow (Russia). Among places with at least 20 works in it, it is an unusually large share of all research in Ivanovo and Katowice.

Largest cities, 2022-now

  1. 1 BeijingChina 218 works
  2. 2 ShanghaiChina 171 works
  3. 3 GuangzhouChina 134 works
  4. 4 MoscowRussia 131 works
  5. 5 NanjingChina 110 works
  6. 6 São PauloBrazil 86 works
  7. 7 WuhanChina 76 works
  8. 8 ChengduChina 70 works
  9. 9 TokyoJapan 69 works
  10. 10 ShenzhenChina 67 works

Where it is the local speciality

  1. IvanovoRU · 30.0 works61×
  2. KatowicePL · 20.1 works7.0×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Photodynamic Therapy Research Studies than the world average.

See Photodynamic Therapy Research Studies on the map

Where is the best place to study Photodynamic Therapy Research Studies?

Among universities, judged by research, Chinese University of Hong Kong, Shenzhen, Sichuan University and University of Johannesburg 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 25.62%fractional works in this field (log) →share of work in the world top 10% →Chinese University o…Shenzhen UniversitySichuan UniversityUniversity of Johann…
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1Chinese University of Hong Kong, ShenzhenChina 71.951.1%13.2×12 +698.0%
2Sichuan UniversityChina 63.921.5%4.2×46 +87.1%
3University of JohannesburgSouth Africa 61.911.2%13.9×41 +97.8%
4Shenzhen UniversityChina 60.834.6%5.4×19 +92.4%
5Southern Medical UniversityChina 58.419.5%11.6×34 +82.2%
6Soochow UniversityChina 58.027.8%4.3×20 +32.7%
7Shanghai Jiao Tong UniversityChina 57.015.0%3.2×44 +84.7%
8Dalian UniversityChina 54.332.8%12.5×14 +35.3%
9Nanjing UniversityChina 54.024.7%4.3×19 +36.7%
10Sun Yat-sen UniversityChina 53.218.0%3.3×32 +47.8%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Photodynamic Therapy Research Studies, country by country

Is Photodynamic Therapy Research Studies research growing?

Output in 2022-2025 was 20% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Photodynamic Therapy Research Studies.

still counting19801990200020102020
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 Photodynamic Therapy Research Studies as a percentage of every work published that year, 0.022% in 2024.

still counting0.020%0.040%Photodynamic Therapy Research Studies0.024% in 202519801990200020102020

Fractional works of Photodynamic Therapy Research Studies over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Photodynamic Therapy Research Studies9.8% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

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.

Discussion

Ask a question or share a note about Photodynamic Therapy Research Studies. Posts are plain text and can be reported.