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Barr, John R.

Barr, John R.

National Center for Environmental Health, United States

2025 Rank: 198,391

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Analytical Chemistry

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 1,608 out of 129,614 Researchers

Data For The Year: 2025
Metrics Self-Citations Excluded All
Rank Based on Composite Score198,391194,758
Total Cites6,2477,409
H-index4247
Hm-index1415
Number of Single Authored Papers22
Total Cites to Single Authored Papers1313
Number of Single+First Authored Papers1313
Total Cites to Single+First Authored Papers642732
Number of Single+First+Last Authored Papers8585
Total Cites to Single+First+Last Authored Papers2,7433,410
Composite Score33
Number of Distinct Citing Papers5,0395,596
Ratio of Total Citations to Distinct Citing Papers 1.24 1.32
Self-Citation Percentage
15.68%
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Barr, John R.

Barr, John R.

National Center for Environmental Health, United States

2024 Rank: 189,117

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Analytical Chemistry

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 1,543 out of 122,576 Researchers

Data For The Year: 2024
Metrics Self-Citations Excluded All
Rank Based on Composite Score189,117185,452
Total Cites5,9377,031
H-index4046
Hm-index1415
Number of Single Authored Papers22
Total Cites to Single Authored Papers1313
Number of Single+First Authored Papers1313
Total Cites to Single+First Authored Papers635723
Number of Single+First+Last Authored Papers8585
Total Cites to Single+First+Last Authored Papers2,6573,304
Composite Score33
Number of Distinct Citing Papers4,7655,283
Ratio of Total Citations to Distinct Citing Papers 1.25 1.33
Self-Citation Percentage
15.56%
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Barr, John R.

Barr, John R.

National Center for Environmental Health, United States

2023 Rank: 171,689

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Analytical Chemistry

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 1,375 out of 115,145 Researchers

Data For The Year: 2023
Metrics Self-Citations Excluded All
Rank Based on Composite Score171,689169,042
Total Cites6,2997,450
H-index4046
Hm-index1415
Number of Single Authored Papers22
Total Cites to Single Authored Papers1313
Number of Single+First Authored Papers1313
Total Cites to Single+First Authored Papers625712
Number of Single+First+Last Authored Papers8787
Total Cites to Single+First+Last Authored Papers2,5683,211
Composite Score33
Number of Distinct Citing Papers5,1165,674
Ratio of Total Citations to Distinct Citing Papers 1.23 1.31
Self-Citation Percentage
15.45%
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Barr, John R.

Barr, John R.

National Center for Environmental Health, United States

2022 Rank: 166,149

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Chemistry

SubField 1:

Analytical Chemistry

SubField 2:

Biochemistry & Molecular Biology

Rank in SubField 1: 1,329 out of 107,126 Researchers

Data For The Year: 2022
Metrics Self-Citations Excluded All
Rank Based on Composite Score166,149163,243
Total Cites5,5246,606
H-index3945
Hm-index1314
Number of Single Authored Papers22
Total Cites to Single Authored Papers1313
Number of Single+First Authored Papers1313
Total Cites to Single+First Authored Papers593682
Number of Single+First+Last Authored Papers8686
Total Cites to Single+First+Last Authored Papers2,4413,064
Composite Score33
Number of Distinct Citing Papers4,4384,956
Ratio of Total Citations to Distinct Citing Papers 1.24 1.33
Self-Citation Percentage
16.38%
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Barr, John R.

Barr, John R.

Centers for Disease Control and Prevention, United States

2021 Rank: 163,364

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Analytical Chemistry

SubField 2:

Microbiology

Rank in SubField 1: 1,314 out of 102,767 Researchers

Data For The Year: 2021
Metrics Self-Citations Excluded All
Rank Based on Composite Score163,364160,785
Total Cites5,6536,808
H-index3843
Hm-index1315
Number of Single Authored Papers22
Total Cites to Single Authored Papers1111
Number of Single+First Authored Papers1414
Total Cites to Single+First Authored Papers577664
Number of Single+First+Last Authored Papers9595
Total Cites to Single+First+Last Authored Papers2,3963,019
Composite Score33
Number of Distinct Citing Papers4,5925,176
Ratio of Total Citations to Distinct Citing Papers 1.23 1.32
Self-Citation Percentage
16.97%
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Barr, John R.

Barr, John R.

National Center for Environmental Health, United States

2020 Rank: 162,128

Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:

Biomedical Research

SubField 1:

Analytical Chemistry

SubField 2:

Microbiology

Rank in SubField 1: 1,349 out of 87,137 Researchers

Data For The Year: 2020
Metrics Self-Citations Excluded All
Rank Based on Composite Score162,128153,795
Total Cites5,0776,134
H-index3541
Hm-index1214
Number of Single Authored Papers22
Total Cites to Single Authored Papers1111
Number of Single+First Authored Papers1414
Total Cites to Single+First Authored Papers550636
Number of Single+First+Last Authored Papers9797
Total Cites to Single+First+Last Authored Papers2,1762,771
Composite Score33
Number of Distinct Citing Papers4,1354,655
Ratio of Total Citations to Distinct Citing Papers 1.23 1.32
Self-Citation Percentage
17.23%
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