Abstract Anastrepha fraterculus (Wiedemann, 1830) (Diptera: Tephritidae) is a major fruit pest, which basicaly controlled using insecticides, represents risk to beneficial arthropods, human health and food contamination. The sterile insect technique (SIT) potential alternative tool for the management of this however, only conflicting data found regarding optimal dose achieve sterility. Thus, st...

BACKGROUND Femoropopliteal percutaneous transluminal angioplasty (PTA) remains limited by restenosis. Although vascular brachytherapy may be effective in reducing restenosis, external beam radiation would be more practical to administer after PTA. METHODS AND RESULTS After femoropopliteal PTA without stent placement, 99 patients were randomly assigned to 0 Gy (placebo; n=24), 7 Gy (n=24), 10....

BACKGROUND The shape of the dose-response curve at low doses differs from the linear quadratic model. The effect of a radio-adaptive response is the centre of many studies and well known inspite that the clinical applications are still rarely considered. METHODS We studied the effect of a low-dose pre-irradiation (0.03 Gy - 0.1 Gy) alone or followed by a 2.0 Gy challenging dose 4 h later on t...

and Applied Analysis 3 The following are examples of G-metric spaces. Example 1.8 see 7 . Let R, d be the usual metric space. Define Gs by Gs ( x, y, z ) d ( x, y ) d ( y, z ) d x, z , 1.4 for all x, y, z ∈ R. Then it is clear that R, Gs is a G-metric space. Example 1.9 see 7 . Let X {a, b}. Define G on X ×X ×X by G a, a, a G b, b, b 0, G a, a, b 1, G a, b, b 2 1.5 and extend G to X ×X ×X by us...

OBJECTIVE Recent recommendations regarding indications of accelerated partial breast irradiation (APBI) have been put forward for selected breast cancer (BC) patients. However, some treatment planning parameters, such as total dose, are not yet well defined. The Institut Gustave Roussy has initiated a dose escalation trial at the 40 Gy/10 fractions/5 days and at a further step of total dose (TD...

Purpose/objective(s): To evaluate the dosimetric feasibility of a hypofractionated radiotherapy schedule for Stage III non-small cell lung cancers (NSCLC). Materials/Methods: The study sample included 14 cases. The mean tumor burden (primary and nodal areas) was 111 cm3, range 10-424 cm3. Intended plans consist of an initial dose of 40 Gy in 10 fractions, followed by a 7 Gy x 5 boost. The clini...

Male rabbits, aged 4.5 months, were subjected to graded total gamma irradiations of 0.5 Gy, 1.5 Gy, 2.5 Gy and 3.0 Gy with a dose density of 24 Gy/min. The genetic effects in spermatogonia were assessed 3 months later using cytogenetic analysis of chromosomal preparations. The data showed a dose-dependent increase in the frequency of reciprocal translocations, induced in spermatogonia and detec...

BACKGROUND Sialocele is a collection of saliva that has leaked from a damaged salivary gland or duct and is surrounded by granulation tissue. Surgery is the recognized first-line treatment. Recurrence rate after surgery is 5-14%. Salivary gland tissue is very sensitive to radiation therapy (RT). HYPOTHESIS/OBJECTIVES Radiation therapy will be useful for the treatment of sialocele. The aims we...

The response of human erythrocytes to X-rays in the dose range from 40 Gy to 600 Gy was determined on the basis of changes in the activities of AChE and ATPase. The Na,K-ATPase activity increased above the control value at doses below 200 Gy, while at the doses higher than 200 Gy, it decreased, reaching 96% of the control value at a dose of 600 Gy. In the range of doses up to 200 Gy, the AChE a...

BACKGROUND Standard of care primary treatment of carcinoma of locally advanced squamous cell head and neck cancer (LAHNSCC) consists of platinum-based concomitant chemo-irradiation. Despite progress in the treatment of LAHNSCC using modern radiotherapy techniques the outcome remains still poor. Using IMRT with SIB the escalation of total dose to the GTV is possible with the aim to improve clini...