Barr, John R.
National Center for Environmental Health,
United States
2025 Rank: 198391
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Biochemistry & Molecular Biology
Rank in SubField 1: 1608 out of 129614 Researchers
Data For The Year: 2025
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 198391 | 194758 |
| Total Cites | 6247 | 7409 |
| H-index | 42 | 47 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 13 | 13 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 642 | 732 |
| Number of Single+First+Last Authored Papers | 85 | 85 |
| Total Cites to Single+First+Last Authored Papers | 2743 | 3410 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5039 | 5596 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.32 |
| Self-Citation Percentage |
15.68%
|
|
Barr, John R.
National Center for Environmental Health,
United States
2024 Rank: 189117
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Biochemistry & Molecular Biology
Rank in SubField 1: 1543 out of 122576 Researchers
Data For The Year: 2024
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 189117 | 185452 |
| Total Cites | 5937 | 7031 |
| H-index | 40 | 46 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 13 | 13 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 635 | 723 |
| Number of Single+First+Last Authored Papers | 85 | 85 |
| Total Cites to Single+First+Last Authored Papers | 2657 | 3304 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4765 | 5283 |
| Ratio of Total Citations to Distinct Citing Papers | 1.25 | 1.33 |
| Self-Citation Percentage |
15.56%
|
|
Barr, John R.
National Center for Environmental Health,
United States
2023 Rank: 171689
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Biochemistry & Molecular Biology
Rank in SubField 1: 1375 out of 115145 Researchers
Data For The Year: 2023
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 171689 | 169042 |
| Total Cites | 6299 | 7450 |
| H-index | 40 | 46 |
| Hm-index | 14 | 15 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 13 | 13 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 625 | 712 |
| Number of Single+First+Last Authored Papers | 87 | 87 |
| Total Cites to Single+First+Last Authored Papers | 2568 | 3211 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 5116 | 5674 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.31 |
| Self-Citation Percentage |
15.45%
|
|
Barr, John R.
National Center for Environmental Health,
United States
2022 Rank: 166149
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Chemistry
SubField 1:
Analytical Chemistry
SubField 2:
Biochemistry & Molecular Biology
Rank in SubField 1: 1329 out of 107126 Researchers
Data For The Year: 2022
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 166149 | 163243 |
| Total Cites | 5524 | 6606 |
| H-index | 39 | 45 |
| Hm-index | 13 | 14 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 13 | 13 |
| Number of Single+First Authored Papers | 13 | 13 |
| Total Cites to Single+First Authored Papers | 593 | 682 |
| Number of Single+First+Last Authored Papers | 86 | 86 |
| Total Cites to Single+First+Last Authored Papers | 2441 | 3064 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4438 | 4956 |
| Ratio of Total Citations to Distinct Citing Papers | 1.24 | 1.33 |
| Self-Citation Percentage |
16.38%
|
|
Barr, John R.
Centers for Disease Control and Prevention,
United States
2021 Rank: 163364
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Analytical Chemistry
SubField 2:
Microbiology
Rank in SubField 1: 1314 out of 102767 Researchers
Data For The Year: 2021
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 163364 | 160785 |
| Total Cites | 5653 | 6808 |
| H-index | 38 | 43 |
| Hm-index | 13 | 15 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 11 | 11 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 577 | 664 |
| Number of Single+First+Last Authored Papers | 95 | 95 |
| Total Cites to Single+First+Last Authored Papers | 2396 | 3019 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4592 | 5176 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.32 |
| Self-Citation Percentage |
16.97%
|
|
Barr, John R.
National Center for Environmental Health,
United States
2020 Rank: 162128
Overall Rank
Rank in SubField 1
Publications
Citations
Main Field:
Biomedical Research
SubField 1:
Analytical Chemistry
SubField 2:
Microbiology
Rank in SubField 1: 1349 out of 87137 Researchers
Data For The Year: 2020
| Metrics | Self-Citations Excluded | All |
|---|---|---|
| Rank Based on Composite Score | 162128 | 153795 |
| Total Cites | 5077 | 6134 |
| H-index | 35 | 41 |
| Hm-index | 12 | 14 |
| Number of Single Authored Papers | 2 | 2 |
| Total Cites to Single Authored Papers | 11 | 11 |
| Number of Single+First Authored Papers | 14 | 14 |
| Total Cites to Single+First Authored Papers | 550 | 636 |
| Number of Single+First+Last Authored Papers | 97 | 97 |
| Total Cites to Single+First+Last Authored Papers | 2176 | 2771 |
| Composite Score | 3 | 3 |
| Number of Distinct Citing Papers | 4135 | 4655 |
| Ratio of Total Citations to Distinct Citing Papers | 1.23 | 1.32 |
| Self-Citation Percentage |
17.23%
|
|
Related Profiles
Featured Profiles
Partner with TOPSCINET
Reach science enthusiasts and researchers across the site. Write to business@topscinet.com and our marketing team will send a proposal built around your banner ad goals.