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Topic · Analytical Chemistry

Spectroscopy and Chemometric Analyses

Spectroscopy and Chemometric Analyses is a research topic within Analytical Chemistry. Science Explorer counts 65k research works in it since 1950. 9.9% of them reached the world's top 10% most cited for their field and year.

This cluster of papers covers a wide range of topics in chemometrics, with a focus on applications in analytical chemistry and food technology. It includes methods such as near-infrared spectroscopy, multivariate calibration, hyperspectral imaging, variable selection, and machine vision for quality assessment and food authentication.

  • Near-Infrared Spectroscopy
  • Multivariate Calibration
  • Hyperspectral Imaging
  • Variable Selection
  • Chemometric Tools
  • Quality Assessment
  • Machine Vision
  • Spectral Analysis
  • Food Authentication
  • Principal Component Analysis
Research works
65k
fractional, since 1950
In the world top 10%
6.5k
per year above
Top-10% rate
9.9%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
+40%
the tick is no change
Largest producer
China
42% of the 10 largest, 2022-now
Spectroscopy and Chemometric Analyses

Which countries lead Spectroscopy and Chemometric Analyses research?

By volume, China and India publish the most (4.6k and 2.4k works in 2022-now).

By volume, 2022-now

  1. 1 China 4.6k works
  2. 2 India 2.4k works
  3. 3 United States 1.1k works
  4. 4 Indonesia 568 works
  5. 5 Brazil 472 works
  6. 6 Italy 406 works
  7. 7 Japan 352 works
  8. 8 Germany 342 works
  9. 9 Türkiye 341 works
  10. 10 Spain 341 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: 42.3%India: 22.1%United States: 9.8%Indonesia: 5.2%6 others listed: 20.6%42%largest
China4,638 · 42.3%India2,419 · 22.1%United States1,078 · 9.8%Indonesia568 · 5.2%6 others listed2,254 · 20.6%

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

Which institutions lead Spectroscopy and Chemometric Analyses research?

By volume in 2022-now, Chinese Academy of Agricultural Sciences publishes the most Spectroscopy and Chemometric Analyses research, followed by Chinese Academy of Sciences and Jiangsu University.

By volume, 2022-now

  1. 1 Chinese Academy of Agricultural SciencesChina 198 works
  2. 2 Chinese Academy of SciencesChina 144 works
  3. 3 Jiangsu UniversityChina 112 works
  4. 4 China Agricultural UniversityChina 100 works
  5. 5 Ministry of Agriculture and Rural AffairsChina 95 works
  6. 6 Chitkara UniversityIndia 95 works
  7. 7 Indian Council of Agricultural ResearchIndia 91 works
  8. 8 SRM Institute of Science and TechnologyIndia 82 works
  9. 9 Centre National de la Recherche ScientifiqueFrance 80 works
  10. 10 Zhejiang UniversityChina 78 works

Who are the leading researchers in Spectroscopy and Chemometric Analyses?

The most-cited researchers publishing on Spectroscopy and Chemometric Analyses include Yoshua Bengio, Robert John Tibshirani and Jun Wang.

  1. 1 Yoshua Bengio Canada 476k citations
  2. 2 Robert John Tibshirani United States 396k citations
  3. 3 Jun Wang China 340k citations
  4. 4 Róbert Langer United States 303k citations
  5. 5 Donald B. Rubin United States 301k citations
  6. 6 Trevor Hastie United States 301k citations
  7. 7 Wei Huang China 267k citations
  8. 8 Xiaogang Wang China 260k citations
  9. 9 Yann LeCun United States 256k citations
  10. 10 Ralph B. D’Agostino United States 255k 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 Spectroscopy and Chemometric Analyses?

The most cited paper in Spectroscopy and Chemometric Analyses is "The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis" (Norden Eh Huang, Zhengwei Shen, Steven Long et al., 1998), with 23,779 citations. Next come "An Analysis of Transformations" (15,274) and "Antioxidant Determinations by the Use of a Stable Free Radical" (13,038).

Most cited papers
#PaperReleasedCitations
1 The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis Norden Eh Huang, Zhengwei Shen, Steven Long et al. · Proceedings of the Royal Society A Mathematical Physical and Engineering Sciences Open access 8 Mar 1998 23,779
2 An Analysis of Transformations George E. P. Box, David Roxbee Cox · Journal of the Royal Statistical Society Series B (Statistical Methodology) Jul 1964 15,274
3 Antioxidant Determinations by the Use of a Stable Free Radical Marsden S. Blois · Nature Apr 1958 13,038
4 Principal component analysis Svante Wold, Kim H. Esbensen, Paul L. M. Geladi · Chemometrics and Intelligent Laboratory Systems Aug 1987 11,762
5 Principal component analysis Hervé Abdi, Lynne J. Williams · Wiley Interdisciplinary Reviews Computational Statistics Jul 2010 10,890
All 99 most cited papers, with filters and sorting

Where is Spectroscopy and Chemometric Analyses research done?

The largest centres of Spectroscopy and Chemometric Analyses research in 2022-now are Beijing (China), Chennai (India), Hangzhou (China) and Nanjing (China). Among places with at least 20 works in it, it is an unusually large share of all research in Jinrongjie, Aral and Xiaodian.

Largest cities, 2022-now

  1. 1 BeijingChina 784 works
  2. 2 ChennaiIndia 252 works
  3. 3 HangzhouChina 224 works
  4. 4 NanjingChina 200 works
  5. 5 ShanghaiChina 169 works
  6. 6 GuangzhouChina 156 works
  7. 7 WuhanChina 137 works
  8. 8 Xi'anChina 125 works
  9. 9 ZhenjiangChina 123 works
  10. 10 HefeiChina 117 works

Where it is the local speciality

  1. JinrongjieCN · 38.2 works28×
  2. AralCN · 22.9 works20×
  3. XiaodianCN · 29.4 works14×
  4. Lin’an ShiCN · 30.5 works12×
← less than its size predicts1×more →

Location quotient: how much more of its research is in Spectroscopy and Chemometric Analyses than the world average.

See Spectroscopy and Chemometric Analyses on the map

Where is the best place to study Spectroscopy and Chemometric Analyses?

Among universities, judged by research, Jiangsu University, China Agricultural University and Jimei 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%mean 25.5%fractional works in this field (log) →share of work in the world top 10% →Jimei UniversityJiangsu UniversityNanjing Agricultural…China Agricultural U…
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
1Jiangsu UniversityChina 89.339.1%10.3×112 +55.2%
2China Agricultural UniversityChina 71.523.7%13.3×100 +44.2%
3Jimei UniversityChina 69.140.0%8.0×17 +542.7%
4Nanjing Agricultural UniversityChina 65.526.3%7.8×41 +67.1%
5Chitkara UniversityIndia 61.49.3%18.1×95 +1263.8%
6Northwest A&F UniversityChina 61.421.1%7.8×41 +38.2%
7Zhejiang A & F UniversityChina 61.423.7%14.5×30 +519.1%
8Huzhou UniversityChina 60.729.1%8.6×19 +291.7%
9South China Agricultural UniversityChina 56.719.0%7.6×36 +100.9%
10Shihezi UniversityChina 56.723.7%10.6×26 +163.2%

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 Spectroscopy and Chemometric Analyses, country by country

Is Spectroscopy and Chemometric Analyses research growing?

Output in 2022-2025 was 40% higher than in 2018-2021, peaking in 2025. The fastest-growing topics are Spectroscopy and Chemometric Analyses.

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 Spectroscopy and Chemometric Analyses as a percentage of every work published that year, 0.074% in 2024.

still counting0.025%0.050%0.075%Spectroscopy and Chemometric Analyses0.071% in 202519801990200020102020

Fractional works of Spectroscopy and Chemometric Analyses 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%Spectroscopy and Chemometric Analyses9.8% 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.

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