Total 2,449,322 scientists, country 221, and institutions 24,477 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:
- Gain full access to detailed comparisons and advanced analytics,
- Objectively evaluate your academic productivity,
- Make strategic, data-driven decisions to enhance performance.
* Total i10 IndexRankings
Ranking Based On Selection: 1

allergology
asthma
COPD
clinical immunology
urticaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
96
0.787
* Total i10 IndexRankings
Ranking Based On Selection: 2

Anticancer agents
Phytopharmacology
Multidrug resistance
Drug interactions
Antimicrobials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
121
62
0.512
* Total i10 IndexRankings
Ranking Based On Selection: 3

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
107
56
0.523
* Total i10 IndexRankings
Ranking Based On Selection: 4

coordination chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
89
52
0.584
* Total i10 IndexRankings
Ranking Based On Selection: 5

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
33
0.407
* Total i10 IndexRankings
Ranking Based On Selection: 6

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
57
0.731
* Total i10 IndexRankings
Ranking Based On Selection: 7

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
37
0.578
* Total i10 IndexRankings
Ranking Based On Selection: 8

Toxicology
Drug metabolism
Hepatoprotection
Neuroprotection
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
43
0.860
* Total i10 IndexRankings
Ranking Based On Selection: 9

pharmacognosy
phytochemistry
NMR
LC-MS
GC-MS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
28
0.622
* Total i10 IndexRankings
Ranking Based On Selection: 10

Pollination Ecology
Plant Breeding Systems
Invasive plants
Ethnobotany
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
20
0.571
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* Total i10 IndexRankings
Ranking Based On Selection: 11

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
17
0.515
* Total i10 IndexRankings
Ranking Based On Selection: 12

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
28
0.933
* Total i10 IndexRankings
Ranking Based On Selection: 13

drug metabolism
drug toxicity
oxidative stress
drug interactions
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
22
0.815
* Total i10 IndexRankings
Ranking Based On Selection: 14

Endocrinology
Thyroid
Parathyroid
Metabolic bone disease
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
14
0.583
* Total i10 IndexRankings
Ranking Based On Selection: 15

endocrinology
prediabetes
diabetes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
20
0.870
* Total i10 IndexRankings
Ranking Based On Selection: 16

culture
psychopathology
psychosis
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
* Total i10 IndexRankings
Ranking Based On Selection: 17

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
10
0.476
* Total i10 IndexRankings
Ranking Based On Selection: 18

Allergy & Clinical Immunology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
16
0.800
* Total i10 IndexRankings
Ranking Based On Selection: 19

adult stem cells
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
* Total i10 IndexRankings
Ranking Based On Selection: 20

coordination chemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
3
0.167
* Total i10 IndexRankings
Ranking Based On Selection: 21

natural products
saponins
flavonoids
phytochemistry
chromatography
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
* Total i10 IndexRankings
Ranking Based On Selection: 22

clinical microbiology
virulence factors
mechanisms of resistance to antimicrobials
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
* Total i10 IndexRankings
Ranking Based On Selection: 23

insirakov@gmail.com
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
* Total i10 IndexRankings
Ranking Based On Selection: 24

i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
* Total i10 IndexRankings
Ranking Based On Selection: 25

pharmaceutical legislation
pharmacoeconomics
HTA
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
11
0.688
Todor Popov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
96
0.787
allergology
asthma
COPD
clinical immunology
urticaria
Georgi Momekov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
121
62
0.512
Anticancer agents
Phytopharmacology
Multidrug resistance
Drug interactions
Antimicrobials
Irini Doytchinova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
107
56
0.523
Irena Kostova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
89
52
0.584
coordination chemistry
Boris Tenchov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
81
33
0.407
Zdravko Kamenov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
57
0.731
Nikolai Lazarov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
64
37
0.578
Magdalena Kondeva-Burdina
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
43
0.860
Toxicology
Drug metabolism
Hepatoprotection
Neuroprotection
Paraskev Nedialkov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
45
28
0.622
pharmacognosy
phytochemistry
NMR
LC-MS
GC-MS
Ekaterina Kozuharova|Kozhuharova Kohuzarova Kohazurova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
20
0.571
Pollination Ecology
Plant Breeding Systems
Invasive plants
Ethnobotany
Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast!
Boycho Landzhov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
17
0.515
Sena Karachanak-Yankova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
28
0.933
Rumiana Simeonova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
27
22
0.815
drug metabolism
drug toxicity
oxidative stress
drug interactions
Alexander Shinkov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
24
14
0.583
Endocrinology
Thyroid
Parathyroid
Metabolic bone disease
Nevena Chakarova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
23
20
0.870
endocrinology
prediabetes
diabetes
Georgi Onchev
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
16
0.762
culture
psychopathology
psychosis
Irina Nikolova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
21
10
0.476
Maria Staevska
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
16
0.800
Allergy & Clinical Immunology
Nikolay Ishkitiev
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
20
14
0.700
Adriana Bakalova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
18
3
0.167
coordination chemistry
Aleksandar Shkondrov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
15
0.882
natural products
saponins
flavonoids
phytochemistry
chromatography
Raina Gergova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
11
0.647
clinical microbiology
virulence factors
mechanisms of resistance to antimicrobials
Ivo Sirakov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
17
10
0.588
Stanimir Sirakov
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
16
1.000
A Savova|Alexandra Tzenova-Savova
Medical University Sofia
Sofia, Bulgaria
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
11
0.688
pharmaceutical legislation
pharmacoeconomics
HTA