Marek Krzysztof Janiak

Society, Nuclear Energy and Radiological Protection - Beyond LNT

Michael P. R. Waligorski, Marek Krzysztof Janiak, James S. Welsh

In a recent paper, Allison (Health Phys. 2024) proposed that a daily limit of 2 mGy will adequately protect the general public and radiation workers against any health-threatening effects of ionizing radiation. The 2 mGy/day limit, established at the 1934 Congress of …

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Comment on “The scientific nature of the linear no-threshold (LNT) model used in the system of radiological protection” by A. Wojcik and F. Zölzer

M.P.R. Waligórski, Marek Krzysztof Janiak

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Thyroid Cancer in Regions Most Contaminated after the Chernobyl Disaster

Marek Krzysztof Janiak, Grzegorz Kamiński

Exposure to ionizing radiation, especially during childhood, is a well-established risk factor for thyroid cancer. Following the 1986 Chernobyl nuclear power plant accident the total number of cases of thyroid cancer registered between 1991 and 2015 in males and females who were …

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Can Low-Level Ionizing Radiation Do Us Any Harm?

Marek Krzysztof Janiak, M.P.R. Waligórski

The current system of radiological protection relies on the linear no-threshold (LNT) hypothesis of cancer risk due to humans being exposed to ionizing radiation (IR). Under this tenet, effects of low doses (i.e. of those not exceeding 100 mGy or 0.1 mGy/min. …

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Thyroid Cancer in Regions Most Contaminated After The Chernobyl Disaster

Marek Krzysztof Janiak, Grzegorz Kamiński

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Professor Ludwik Dobrzyński (1941–2022)—The Obituary

Krzysztof W. Fornalski, Jerry M. Cuttler, Yehoshua Socol, M.P.R. Waligórski et autres

Professor Ludwik Dobrzyński, an eminent scientist and popularizer of science, passed away on January 11, 2022, in his home in Warsaw, Poland, just before his 81st birthday. He was a specialist in solid-state physics. Later in his career, Ludwik also became interested …

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Professor Ludwik Dobrzyński 1941–2022

Yehoshua Socol, Ludwig Emil Feinendegen, Krzysztof W. Fornalski, Marek Krzysztof Janiak et autres

Professor Ludwik Dobrzyński – a physicist, radiation scientist and science educator, a true gentleman and a good friend to many – lost his long and brave battle with cancer and passed away in Warsa...

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Intranasal Budesonide Significantly Improves Symptoms in Subjects with Moderate-to-severe Congestion and Rhinitis Triggered/worsened by Pollution

Kerstin Wagner, Lili Zhang, Kathleen Franklin, Xiaoyan Tian et autres

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Marie and Irène Curie, two brilliant women who pioneered the development of nuclear chemistry, radiotherapy, and radiobiology

Marek Krzysztof Janiak, Carmel E Mothersill

OBJECTIVE: To describe the contributions of Marie Sklodowska-Curie and her daughter Irene Curie to radiation science and how these studies in physics, chemistry and medicine led to the need to study radiobiological effects. CONCLUSIONS: The seminal discoveries of Maria Sklodowska-Curie in radiation …

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A derivative of vitamin B3 applied several days after exposure reduces lethality of severely irradiated mice

Aneta Cheda, Ewa M. Nowosielska, Jerzy L. Gebicki, Andrzej Marcinek et autres

Abstract Most, if not all, of the hitherto tested substances exert more or less pronounced pro-survival effects when applied before or immediately after the exposure to high doses of ionizing radiation. In the present study we demonstrate for the first time that …

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Time to rejuvenate ultra-low dose whole-body radiotherapy of cancer

Marek Krzysztof Janiak, Mateusz Pocięgiel, James S. Welsh

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Possible Source of the Gompertz Law of Proliferating Cancer Cells: Mechanistic Modeling of Tumor Growth

Krzysztof W. Fornalski, Joanna Reszczyńska, Leonard Dobrzyński, Paweł Wysocki et autres

Induction and proliferation of cancer cells are complex processes whose ab initio mathematical description is virtually impossible.Nevertheless, some integral characteristics such as the Gompertz law, which is generally used to describe cancer development, can result from a simple mathematical consideration of biophysical …

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