Citation Rankings
Highly Cited Researchers

Natural Sciences / Chemical Sciences Highly Cited Researchers 11 Scientists Citation Rankings (Sort by last 6 years Citation Index) - 2025

Discover the world’s highly cited researchers through the AD Scientific Index 2025 Citation Rankings.
These rankings evaluate scientists based on their total and recent citation counts, capturing the breadth and real-time currency of academic recognition. Citation data reveals how widely a scholar’s work is referenced, applied, and extended across diverse disciplines. The rankings are routinely updated to reflect ongoing citation growth, while eliminating distortions from excessive co-authorship and institutional inflation. Premium tools provide access to detailed citation dynamics, unethical citation behavior detection, and field-normalized benchmarking.

* Last 6 Years Citation Rankings

Rankings

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517,657
World Rank
Yemen
50
Country Rank
Thamar University Logo
6
University
Ranking Based On Selection:
1
Natural Sciences / Chemical Sciences
Organic and Medicinal Chemistr

Citation Metrics

  • Total
    1,077
  • Last 6 Years
    886
  • Last 6 Years / Total
    0.823
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* Last 6 Years Citation Rankings

Rankings

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704,376
World Rank
Yemen
91
Country Rank
Thamar University Logo
10
University
Ranking Based On Selection:
2
Natural Sciences / Chemical Sciences
polymer chemistry | organic chemistry | nanomedicin

Citation Metrics

  • Total
    584
  • Last 6 Years
    539
  • Last 6 Years / Total
    0.923
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* Last 6 Years Citation Rankings

Rankings

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1,082,353
World Rank
Yemen
211
Country Rank
Thamar University Logo
31
University
Ranking Based On Selection:
3
Natural Sciences / Chemical Sciences
Analytical Chemistry | Pharmaceutical Analysis | Pharmaceutical Chemistr

Citation Metrics

  • Total
    261
  • Last 6 Years
    234
  • Last 6 Years / Total
    0.897
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* Last 6 Years Citation Rankings

Rankings

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1,100,780
World Rank
Yemen
217
Country Rank
Thamar University Logo
32
University
Ranking Based On Selection:
4
Natural Sciences / Chemical Sciences
Neuroscience | Alzheimer's disease | TBI | Oxidative stres

Citation Metrics

  • Total
    401
  • Last 6 Years
    225
  • Last 6 Years / Total
    0.561
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* Last 6 Years Citation Rankings

Rankings

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1,102,562
World Rank
Yemen
219
Country Rank
Thamar University Logo
33
University
Ranking Based On Selection:
5
Natural Sciences / Chemical Sciences
DC electrical conducting polymer

Citation Metrics

  • Total
    585
  • Last 6 Years
    224
  • Last 6 Years / Total
    0.383
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* Last 6 Years Citation Rankings

Rankings

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1,227,964
World Rank
Yemen
268
Country Rank
Thamar University Logo
38
University
Ranking Based On Selection:
6
Natural Sciences / Chemical Sciences
Analytical Chemistry | industrial chemistry | Method development | Biolubrican

Citation Metrics

  • Total
    326
  • Last 6 Years
    175
  • Last 6 Years / Total
    0.537
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* Last 6 Years Citation Rankings

Rankings

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1,252,120
World Rank
Yemen
277
Country Rank
Thamar University Logo
39
University
Ranking Based On Selection:
7
Natural Sciences / Chemical Sciences
Analytical Chemistry | Industrial chemistry | Method development | Biolubrican

Citation Metrics

  • Total
    318
  • Last 6 Years
    167
  • Last 6 Years / Total
    0.525
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* Last 6 Years Citation Rankings

Rankings

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1,719,415
World Rank
Yemen
520
Country Rank
Thamar University Logo
64
University
Ranking Based On Selection:
8
Natural Sciences / Chemical Sciences
Organic Chemistry | Inorganic Chemistry | Physical Chemistry | NM

Citation Metrics

  • Total
    75
  • Last 6 Years
    67
  • Last 6 Years / Total
    0.893
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* Last 6 Years Citation Rankings

Rankings

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1,911,127
World Rank
Yemen
648
Country Rank
Thamar University Logo
78
University
Ranking Based On Selection:
9
Natural Sciences / Chemical Sciences
Organic Chemistry | Nano Medicinal | Green Chemistr

Citation Metrics

  • Total
    44
  • Last 6 Years
    44
  • Last 6 Years / Total
    1.000
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* Last 6 Years Citation Rankings

Rankings

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2,170,877
World Rank
Yemen
821
Country Rank
Thamar University Logo
91
University
Ranking Based On Selection:
10
Natural Sciences / Chemical Sciences
Electrolysis chemistr

Citation Metrics

  • Total
    22
  • Last 6 Years
    21
  • Last 6 Years / Total
    0.955
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* Last 6 Years Citation Rankings

Rankings

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2,191,692
World Rank
Yemen
834
Country Rank
Thamar University Logo
92
University
Ranking Based On Selection:
11
Natural Sciences / Chemical Sciences
Organometallic chemistry | Inorganic Chemistry | Computational Chemistry | Coordination Chemistr

Citation Metrics

  • Total
    70
  • Last 6 Years
    19
  • Last 6 Years / Total
    0.271
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