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Wyszukujesz frazę "hyperthermia effect" wg kryterium: Temat


Wyświetlanie 1-4 z 4
Tytuł:
Synthesis, Properties and Applications of some Magnetic Oxide Based Nanoparticles and Films
Autorzy:
Belous, A.
Tovstolytkin, A.
Solopan, S.
Shlapa, Yu.
Fedorchuk, O.
Powiązania:
https://bibliotekanauki.pl/articles/1031002.pdf
Data publikacji:
2018-04
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
oxide magnets
ferrites
spinel
perovskite
nanoparticles
film
hyperthermia
magnetocaloric effect
left-handed medium
composite UHF resonator
Opis:
The work highlights peculiar features of synthesis and summarizes important properties of nanoparticles and films based on two types of oxide magnets: with spinel and perovskite-type structures. The attention is drawn to the differences in the processes underlying the formation of crystalline phase in the materials of each group. It is shown that for the spinels, the formation of weakly agglomerated crystalline nanoparticles can occur in the process of synthesis, but for the perovskite-like magnets, the formation of crystalline nanoparticles requires additional high-temperature treatment. It is demonstrated that synthesized nanoparticles and films may find wide practical applications, particularly as the heat mediators in hyperthermia treatment therapy, as components of left-handed media, ferroelectric-ferromagnetic layered structures and composite microwave resonators. They also may be used as integral parts of composite structures, which possess magnetic-field-controlled properties and display giant magnetocaloric effect.
Źródło:
Acta Physica Polonica A; 2018, 133, 4; 1006-1012
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Investigation of magnetite Fe3O4 nanoparticles for magnetic hyperthermia
Autorzy:
Surowiec, Z.
Miaskowski, A.
Budzyński, M.
Powiązania:
https://bibliotekanauki.pl/articles/147118.pdf
Data publikacji:
2017
Wydawca:
Instytut Chemii i Techniki Jądrowej
Tematy:
Mössbauer effect
superparamagnetic nanoparticles
hyperthermia
Opis:
The paper presents the investigation of magnetic nanoparticles (MNPs) dedicated to hyperthermia application. The crystal structure and size distributions have been determined by means of transmission electron microscope (TEM) and X-ray diffraction (XRD). Magnetic properties of the nanoparticles were tested by Mössbauer spectroscopy together with calorimetric experiments. The Mössbauer spectroscopic study of MNPs revealed the existence of a superparamagnetic phase. The relative contribution of the relaxing component to the total spectrum at room temperature was about 10%. The heating effect of these MNPs under alternating magnetic field was examined. The temperature increase has reached 5°C in 10 min. The preliminary temperature rise suggests that the investigated materials are applicable for hyperthermia.
Źródło:
Nukleonika; 2017, 62, 2; 183-186
0029-5922
1508-5791
Pojawia się w:
Nukleonika
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of haloperidol [HAL] on leucopyrokinin [LPK]-induced biphasic hyper- and hypothermic effect in rats
Autorzy:
Rykaczewska-Czerwinska, M.
Konopinska, D.
Plech, A.
Powiązania:
https://bibliotekanauki.pl/articles/55086.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Przemysłu Organicznego
Tematy:
haloperidol
rectal temperature
insect
hyperthermia effect
rat
leucopyrokinin
neuropeptide
hypothermia effect
Opis:
The aim of present study was to evaluate mechanisms involved in thermomodulatory effect LPK in rats.Experiments were performed on adult Wistar male rats. LPK was applied either intracerebroventricularly (icv), or intraperitoneally (ip) using the similar program and technique of experiments as in our previous study. We confirmed in this paper the results of our previous reports that icv administration LPK at the dose of 20 nmol induced evident significant rectal hypothermia, while lower dose LPK of 1 nmol icv exerted significant hyperthermic effect. Peripherally applied LPK at the range of doses 10-100 nmol/100 g ip displayed slight bimodal (hyperthermic and hypothermic) effect on rectal temperature. Prior administration of haloperidol, an antagonist of central dopamine receptors blocked both effects LPK applied either icv or ip. Obtained results indicate that both hypothermic and hyperthermic effects LPK are also modulated by central dopaminergic receptors.
Źródło:
Pestycydy; 2008, 1-2; 101-108
0208-8703
Pojawia się w:
Pestycydy
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Molecular basis of malignant hyperthermia
Autorzy:
Gronek, P
Slomski, R
Powiązania:
https://bibliotekanauki.pl/articles/2046685.pdf
Data publikacji:
1997
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
calcium release
ryanodine receptor
depolarization
polymorphism
ryanodine gene
chromosome
metabolism
man
clinical syndrome
central core disease
phenotypic effect
malignant hyperthermia
anesthesia
skeletal muscle
Opis:
Malignant hyperthermia (MH) is a clinical syndrome in which genetically susceptible individuals respond to the administration of potent inhalation anaesthetics and depolarization skeletal muscle relaxants with skeletal rigidity, unstable blood pressure, tachycardia, arrhythmias, hyperventilation, hypoxia, lactic and respiratory acidosis and high fever. In studies of the genetic basis of MH, a mutation was identified in the porcine (C1843T) and human (C1840T) skeletal muscle ryanodine receptor (RYR1) gene. This gene is mapped on human chromosome 19q13.1. The RYR1 gene contains 106 exons, of which two arc alternatively spliced.
Źródło:
Journal of Applied Genetics; 1997, 38, 3; 309-317
1234-1983
Pojawia się w:
Journal of Applied Genetics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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