Ryszard Maciejewski

7.7k total citations · 4 hit papers
197 papers, 5.4k citations indexed

About

Ryszard Maciejewski is a scholar working on Surgery, Molecular Biology and Pulmonary and Respiratory Medicine. According to data from OpenAlex, Ryszard Maciejewski has authored 197 papers receiving a total of 5.4k indexed citations (citations by other indexed papers that have themselves been cited), including 53 papers in Surgery, 37 papers in Molecular Biology and 34 papers in Pulmonary and Respiratory Medicine. Recurrent topics in Ryszard Maciejewski's work include MicroRNA in disease regulation (13 papers), Helicobacter pylori-related gastroenterology studies (11 papers) and Heavy Metal Exposure and Toxicity (10 papers). Ryszard Maciejewski is often cited by papers focused on MicroRNA in disease regulation (13 papers), Helicobacter pylori-related gastroenterology studies (11 papers) and Heavy Metal Exposure and Toxicity (10 papers). Ryszard Maciejewski collaborates with scholars based in Poland, Germany and Netherlands. Ryszard Maciejewski's co-authors include Robert Sitarz, Jacek Baj, Monika Sitarz, Julita Machlowska, Wojciech Polkowski, Jerzy Mielko, Małgorzata Skierucha, Johan Offerhaus, Wojciech Flieger and Kamil Torres and has published in prestigious journals such as SHILAP Revista de lepidopterología, Scientific Reports and International Journal of Molecular Sciences.

In The Last Decade

Ryszard Maciejewski

184 papers receiving 5.3k 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.

Gastric Cancer: Epidemiology, Risk Factors, Classification, Genomic Characteristics and Treatment Strategies

2020 882 citations Jacek Baj, Monika Sitarz et al. International Journal of Molecular Sciences profile →
Gastric cancer: epidemiology, prevention, classification, and treatment

2018 770 citations Ryszard Maciejewski et al. profile →
Helicobacter pylori Virulence Factors—Mechanisms of Bacterial Pathogenicity in the Gastric Microenvironment

2020 256 citations Jacek Baj, Alicja Forma et al. profile →
Antioxidants: Classification, Natural Sources, Activity/Capacity Measurements, and Usefulness for the Synthesis of Nanoparticles

2021 254 citations Jolanta Flieger, Wojciech Flieger et al. profile →

Peers

Ryszard Maciejewski

SURGE

PRM

ONCOL

Wei‐Chiao Chang Taiwan

Jacek Baj Poland

James T. Wu United States

Jinying Zhang China

Bo Li China

Francesco Pagano Italy

Feng Xu China

Ji Young Kim South Korea

Wenhua Li China

Osamu Handa Japan

Wei‐Chiao Chang Taiwan

Ryszard Maciejewski

1.8k ×1.0

1.0k ×0.8

SURGE

982 ×1.0

PRM

596 ×0.6

429 ×0.6

ONCOL

Citations per year, relative to Ryszard Maciejewski Ryszard Maciejewski (= 1×) peers Wei‐Chiao Chang

Countries citing papers authored by Ryszard Maciejewski

Since Specialization

Citations

This map shows the geographic impact of Ryszard Maciejewski'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 Ryszard Maciejewski with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Ryszard Maciejewski more than expected).

Fields of papers citing papers by Ryszard Maciejewski

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Ryszard Maciejewski. 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 Ryszard Maciejewski. The network helps show where Ryszard Maciejewski may publish in the future.

Co-authorship network of co-authors of Ryszard Maciejewski

This figure shows the co-authorship network connecting the top 25 collaborators of Ryszard Maciejewski. A scholar is included among the top collaborators of Ryszard Maciejewski 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 Ryszard Maciejewski. Ryszard Maciejewski is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Flieger, Wojciech, Przemysław Niedzielski, Jędrzej Proch, et al.. (2025). Evidence of Organ-Specific Metal Accumulation: ICP-MS Elemental Analysis of Autopsy Tissues of Tobacco Smokers. International Journal of Molecular Sciences. 26(13). 6368–6368.

Flieger, Jolanta, Alicja Forma, Wojciech Flieger, et al.. (2024). Carotenoid Supplementation for Alleviating the Symptoms of Alzheimer’s Disease. International Journal of Molecular Sciences. 25(16). 8982–8982. 5 indexed citations

Baj, Jacek, Beata Kowalska, Wojciech Flieger, et al.. (2023). Assessment of the Concentration of 51 Elements in the Liver and in Various Parts of the Human Brain—Profiling of the Mineral Status. Nutrients. 15(12). 2799–2799. 5 indexed citations

Radzikowska-Büchner, Elżbieta, Wojciech Flieger, Sylwia Pasieczna‐Patkowska, et al.. (2023). Antimicrobial and Apoptotic Efficacy of Plant-Mediated Silver Nanoparticles. Molecules. 28(14). 5519–5519. 18 indexed citations

Kuźniar, Agnieszka, et al.. (2023). Ecological Diversity of Bacterial Rhizomicrobiome Core during the Growth of Selected Wheat Cultivars. Biology. 12(8). 1067–1067. 2 indexed citations

Maciejewski, Ryszard, et al.. (2022). Advances in osteosynthesis - a basic overview of modern fixation materials. SHILAP Revista de lepidopterología. 12(7). 416–428. 1 indexed citations

Baj, Jacek, Alicja Forma, Beata Kowalska, et al.. (2022). Multi-Elemental Analysis of Human Optic Chiasm—A New Perspective to Reveal the Pathomechanism of Nerve Fibers’ Degeneration. International Journal of Environmental Research and Public Health. 19(7). 4420–4420. 3 indexed citations

Maciejewski, Ryszard, et al.. (2022). The Application of Biological Feedback in the Rehabilitation of Patients after Ischemic Stroke. Sensors. 22(5). 1769–1769.

Maciejewski, Ryszard, Elżbieta Radzikowska-Büchner, Wojciech Flieger, et al.. (2022). An Overview of Essential Microelements and Common Metallic Nanoparticles and Their Effects on Male Fertility. International Journal of Environmental Research and Public Health. 19(17). 11066–11066. 20 indexed citations

10.

Baj, Jacek, Alicja Forma, Ryszard Sitarz, et al.. (2020). Beyond the Mind—Serum Trace Element Levels in Schizophrenic Patients: A Systematic Review. International Journal of Molecular Sciences. 21(24). 9566–9566. 23 indexed citations

11.

Mazurek, Marek, Jakub Litak, Piotr Kamieniak, et al.. (2020). Micro RNA Molecules as Modulators of Treatment Resistance, Immune Checkpoints Controllers and Sensitive Biomarkers in Glioblastoma Multiforme. International Journal of Molecular Sciences. 21(4). 1507–1507. 23 indexed citations

12.

Mazurek, Marek, et al.. (2020). Recent Trends of microRNA Significance in Pediatric Population Glioblastoma and Current Knowledge of Micro RNA Function in Glioblastoma Multiforme. International Journal of Molecular Sciences. 21(9). 3046–3046. 20 indexed citations

13.

Grochowski, Cezary, Mark R. Symms, Kamil Jonak, et al.. (2020). The Evaluation of Optic Nerves Using 7 Tesla “Silent” Zero Echo Time Imaging in Patients with Leber’s Hereditary Optic Neuropathy with or without Idebenone Treatment. Journal of Clinical Medicine. 9(4). 1112–1112. 8 indexed citations

14.

Baj, Jacek, Wojciech Flieger, Grzegorz Teresiński, et al.. (2020). Magnesium, Calcium, Potassium, Sodium, Phosphorus, Selenium, Zinc, and Chromium Levels in Alcohol Use Disorder: A Review. Journal of Clinical Medicine. 9(6). 1901–1901. 62 indexed citations

15.

Grochowski, Cezary, et al.. (2019). Serum iron, Magnesium, Copper, and Manganese Levels in Alcoholism: A Systematic Review. Molecules. 24(7). 1361–1361. 72 indexed citations

16.

Grochowski, Cezary, Eliza Blicharska, Jacek Bogucki, et al.. (2019). Increased Aluminum Content in Certain Brain Structures is Correlated with Higher Silicon Concentration in Alcoholic Use Disorder. Molecules. 24(9). 1721–1721. 26 indexed citations

17.

Grochowski, Cezary, Elżbieta Radzikowska, & Ryszard Maciejewski. (2018). Neural stem cell therapy—Brief review. Clinical Neurology and Neurosurgery. 173. 8–14. 89 indexed citations

18.

Ręjdak, Robert, et al.. (2017). Outcomes of Vitrectomy in Pediatric Retinal Detachment with Proliferative Vitreoretinopathy. Journal of Ophthalmology. 2017. 1–6. 14 indexed citations

19.

Bartosińska, Joanna, Aldona Pietrzak, Jacek C. Szepietowski, et al.. (2011). Traditional Chinese medicine herbs — are they safe for psoriatic patients?. Folia Histochemica et Cytobiologica. 49(2). 201–205. 6 indexed citations

20.

Maciejewski, Ryszard, et al.. (2010). Psoriasis vulgaris and digestive system disorders: is there a linkage?. SHILAP Revista de lepidopterología. 1 indexed citations

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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