S.M. Tkach

1.0k total citations · 1 hit paper
18 papers, 789 citations indexed

About

S.M. Tkach is a scholar working on Surgery, Molecular Biology and Gastroenterology. According to data from OpenAlex, S.M. Tkach has authored 18 papers receiving a total of 789 indexed citations (citations by other indexed papers that have themselves been cited), including 7 papers in Surgery, 5 papers in Molecular Biology and 5 papers in Gastroenterology. Recurrent topics in S.M. Tkach's work include Gastroesophageal reflux and treatments (5 papers), Gut microbiota and health (5 papers) and Helicobacter pylori-related gastroenterology studies (5 papers). S.M. Tkach is often cited by papers focused on Gastroesophageal reflux and treatments (5 papers), Gut microbiota and health (5 papers) and Helicobacter pylori-related gastroenterology studies (5 papers). S.M. Tkach collaborates with scholars based in Ukraine, France and Poland. S.M. Tkach's co-authors include Mariana Romanenko, Oleh Lushchak, Alexander Koliada, A. E. Dorofeyev, Lyudmila Sineok, Alexander Vaiserman, Jacques Мuzart, Oleg Shvets, Mykhaylo Zagirnyak and О. С. Ларін and has published in prestigious journals such as SHILAP Revista de lepidopterología, Gastroenterology and BMC Microbiology.

In The Last Decade

S.M. Tkach

7 papers receiving 772 citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Association between body mass index and Firmicutes/Bacteroidetes ratio in an adult Ukrainian population

2017 760 citations Alexander Koliada, A. E. Dorofeyev et al. BMC Microbiology profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
S.M. Tkach Ukraine	3	570	352	86	85	75	18	789
Lyudmila Sineok Ukraine	2	568 1.0×	350 1.0×	86 1.0×	85 1.0×	74 1.0×	3	762
Sami Pietilä Finland	13	607 1.1×	312 0.9×	80 0.9×	73 0.9×	84 1.1×	23	884
Louise Crovesy Brazil	7	547 1.0×	384 1.1×	92 1.1×	107 1.3×	58 0.8×	11	798
Cody A. Black United States	5	519 0.9×	290 0.8×	94 1.1×	98 1.2×	101 1.3×	7	816
Ana Nogal United Kingdom	7	502 0.9×	321 0.9×	94 1.1×	107 1.3×	75 1.0×	12	792
Tzu-Wen Cross United States	19	682 1.2×	340 1.0×	97 1.1×	121 1.4×	90 1.2×	52	1.1k
Benjamin Pontefract United States	7	513 0.9×	289 0.8×	100 1.2×	98 1.2×	102 1.4×	12	847
A. E. Dorofeyev Ukraine	4	573 1.0×	354 1.0×	91 1.1×	87 1.0×	83 1.1×	13	952
Anissa M. Armet Canada	6	529 0.9×	262 0.7×	87 1.0×	109 1.3×	118 1.6×	9	725
Ilaria Farella Italy	9	394 0.7×	270 0.8×	67 0.8×	108 1.3×	56 0.7×	21	772

Countries citing papers authored by S.M. Tkach

Since Specialization

Citations

This map shows the geographic impact of S.M. Tkach's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by S.M. Tkach with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites S.M. Tkach more than expected).

Fields of papers citing papers by S.M. Tkach

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by S.M. Tkach. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by S.M. Tkach. The network helps show where S.M. Tkach may publish in the future.

Co-authorship network of co-authors of S.M. Tkach

This figure shows the co-authorship network connecting the top 25 collaborators of S.M. Tkach. A scholar is included among the top collaborators of S.M. Tkach based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with S.M. Tkach. S.M. Tkach is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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18 of 18 papers shown

1.

Tkach, S.M.. (2020). Metformin as a drug modifyinggut microbiota. 0(1). 72–76. 1 indexed citations

2.

Tkach, S.M.. (2020). Поширеність депресивних розладів серед хворих на цукровий діабет, які мешкають у зоні АТО та в інших областях України. 25(1). 53–57.

3.

Tkach, S.M., et al.. (2020). Эволюция лечения кислотозависимой патологии. SHILAP Revista de lepidopterología. 94–100.

4.

Tkach, S.M., et al.. (2020). Ингибиторы протонной помпы и риск межлекарственных взаимодействий. SHILAP Revista de lepidopterología. 91–98. 1 indexed citations

5.

Tkach, S.M., et al.. (2020). Sustainable Oxidation of Cyclohexane and Toluene in the Presence of Affordable Catalysts: Impact of the Tandem of Promoter/Oxidant on Process Efficiency. ACS Omega. 5(13). 7613–7626. 20 indexed citations

6.

Tkach, S.M., et al.. (2018). The ratio of the main types of intestinal microbiota in patients with type 2 diabetes mellitus. 0(3(63)). 7–14.

7.

Koliada, Alexander, A. E. Dorofeyev, Mariana Romanenko, et al.. (2017). Association between body mass index and Firmicutes/Bacteroidetes ratio in an adult Ukrainian population. BMC Microbiology. 17(1). 120–120. 760 indexed citations breakdown →

8.

Tkach, S.M., et al.. (2017). THE EFFICACY OF ERADICATION OF SMALL INTESTINAL BACTERIAL OVERGROWTH IN PATIENTS WITH NON-ALCOHOLIC FATTY LIVER DISEASE. 4. 34–41. 2 indexed citations

9.

Tkach, S.M.. (2017). Diagnosis and treatment of acid-related diseases in patients with diabetes mellitus. 0(3(59)). 21–27.

10.

Tkach, S.M.. (2016). Функціональна диспепсія у світлі PимскИх критеріїв IV. SHILAP Revista de lepidopterología. 65–71. 4 indexed citations

11.

Tkach, S.M.. (2016). Особливості діагностики та лікування кислотозалежної патології у хворих на цукровий діабет. SHILAP Revista de lepidopterología. 67–72.

12.

Ларін, О. С., et al.. (2016). Modification of intestinal microbiota and faecal transplantation as a perspective method of treatment of obesity, insulin resistance and diabetes mellitus type 2. 0(2(54)). 20–26.

13.

Ларін, О. С., et al.. (2016). Pathogenetic role of intestinal dysbiosis in obesity and type 2 diabetes mellitus. 0(3 (55)). 82–90.

14.

Tkach, S.M., et al.. (2015). Эволюция лечения кислотозависимой патологии. 58(4).

15.

Zagirnyak, Mykhaylo, et al.. (2014). Automation design of multi-unit electromechanical structures of magnetic separators. PRZEGLĄD ELEKTROTECHNICZNY. 1 indexed citations

16.

Tkach, S.M. & Oleg Shvets. (2014). Modern Approaches to Optimization of the Diagnosis and Treatment of Exocrine Pancreatic Insufficiency. Gastroenterology. 49–54.

17.

Tkach, S.M.. (2014). Функциональная диспепсия и хронический гастрит: сходство и различия. SHILAP Revista de lepidopterología. 103–108.

18.

Tkach, S.M.. (2013). Ведение больных гастроэзофагеальной болезнью в свете последнего американского консенсуса. SHILAP Revista de lepidopterología. 108–113.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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