نتایج جستجو برای: beta emitter source skin irradiation

تعداد نتایج: 848205  

Journal: :Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2009
G Take D Erdogan F Helvacioglu G Göktas G Ozbey C Uluoglu B Yücel Y Guney A Hicsonmez S Ozkan

The effect of ionizing irradiation on testes and the protective effects of melatonin were investigated by immunohistochemical and electron microscopic methods. Eighty-two adult male Wistar rats were divided into 10 groups. The rats in the irradiated groups were exposed to a sublethal irradiation dose of 8 Gy, either to the total body or abdominopelvic region using a 60Co source at a focus of 80...

2013
FELICIA PERMATASARI BINGRONG ZHOU DAN LUO

Exposure of the skin to ultraviolet (UV) radiation induces various harmful effects in the tissues, particularly disruption of the epidermal barrier. However, ultraviolet B (UVB) irradiation has been applied in the treatment of atopic dermatitis, a skin disease in which the epidermal barrier is defective. We reviewed the homeostasis of the epidermal barrier and several studies investigating the ...

Journal: :Photodermatology, photoimmunology & photomedicine 2006
Shi-Yau Yu Jen-Hwey Chiu Shiaw-Der Yang Yu-Chen Hsu Wing-Yiu Lui Chew-Wun Wu

BACKGROUND/PURPOSE Insufficient microcirculation of skin leads to acute and chronic tissue ischemia in cases of trauma, reconstructive surgery, diabetes mellitus and peripheral arterial occlusive disease. The autonomic nervous system and nitric oxide (NO) play important roles in maintaining blood perfusion of the skin. Far-infrared (FIR) therapy provides low energy of light emitted from an arti...

Journal: :Journal of physics 2022

Abstract The results reported herein were motivated by the potential application of combined optically stimulated (OSL) and thermoluminescence (TL) measurements for separation between beta neutron dose components in mixed neutron-beta radiation fields. advantages OSL/TL are two-fold: (i) OSL TL readout can be carried out on same sample (ii) greater efficiency to high ionization density (HID) du...

Journal: :Journal of Physics: Conference Series 2022

Abstract One of the main functions DEMO Breeding Blanket (BB) system is to ensure tritium breeding inside reactor. Tritium a beta emitter radioactive isotope, subjected several processes that determine its permeation across materials and leakage towards environment, posing potential safety issues in terms radiological hazard. Thus, evaluation inventories components losses environment plays key ...

Journal: :Physical review 2023

Defect qubits in 4H-SiC are outstanding candidates for numerous applications the rapidly emerging field of quantum technology. Carbon clusters can act as emission sources that may appear after thermal oxidation or during irradiation, which kicks out carbon atoms from their sites. These fluorescent could interfere with already established vacancy-related generated irradiation techniques. In this...

Journal: :Archives of dermatology 2008
Frank Wang Luis A Garza Soyun Cho Reza Kafi Craig Hammerberg Taihao Quan Ted Hamilton Maureen Mayes Voravit Ratanatharathorn John J Voorhees Gary J Fisher Sewon Kang

OBJECTIVE To investigate the efficacy, potential limitations, and biological mechanisms of UV-A1 phototherapy for skin sclerosis due to collagen deposition disorders. DESIGN Before-and-after trial of UV-A1 irradiation of sclerotic skin; in vivo biochemical analyses after UV-A1 irradiation of normal skin. SETTING Academic referral center. PARTICIPANTS Patients with morphea/scleroderma or s...

1997
YOSHINORI TAKEMA AYUMI NISHIJIMA HIROYUKI OHSU TSUTOMU FUJIMURA

Hairless mice (HR/ICR) were irradiated chronically with suberythemal doses of UV-B radiation (ultraviolet radiation in wavelength 290-320 nm) immediately before and after production, with cyanoacrylate r sin, of an artificial temporary groove parallel to the midline, which is an unusual direction for wrinkle formation. Data for UV radiation-exposed skin beibre or after production of an artifici...

2016
Kazuo Shimizu

Atmospheric plasma is attracting interest for medical applications and clinical phases. We adduce the following questions to guide the future research in plasma medicine. 1. Is plasma medicine an effective method for treating various symptoms? 2. If not, what combination of drugs in addition to plasma irradiation will be required? 3. Can plasma irradiation be an effective method for drug admini...

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