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ОСОБЛИВОСТІ ПАТОМОРФОЛОГІЧНИХ ЗМІН У ВНУТРІШНІХ ОРГАНАХ ЩУРІВ УНАСЛІДОК ПІДГОСТРОГО ВПЛИВУ СРІБНИХ НАНОДЕКАЕДРІВ

Authors: Vlasyk, L. I.; Andriychuk, N. J.; Davydenko, I. S.;

ОСОБЛИВОСТІ ПАТОМОРФОЛОГІЧНИХ ЗМІН У ВНУТРІШНІХ ОРГАНАХ ЩУРІВ УНАСЛІДОК ПІДГОСТРОГО ВПЛИВУ СРІБНИХ НАНОДЕКАЕДРІВ

Abstract

Abstract. The properties of nanoparticles that effect toxicity include: chemical composition, size, solubility, shape, surface area, surface charge and so on. Almost all toxicological experiments dealing with nanoparticles describe the total ingested, inhaled or dermally applied dose of spherical silver nanoparticles. Current in vivo studies have shown that it was detected the shape-, dose- and gender-related accumulation of silver in tissues of internal organs of rats. Despite the importance of silver nanoparticles in consumer products and clinical applications, relatively little is known regarding nanosilver toxicity and its associated risks, esspecialy it regards to decahedron-shape silver nanoparticles. Tat is why the assessment of pathomorphological changes in internal organs of experimental animals due to fourteen-day intraperitoneal injections of decahedron-shape silver nanoparticles was carried out. As the result of the experiment it was observed the doserelated reverse swelling of the epithelium of kidney’s convoluted tubules, hepatocytus, cardiac hystiocytus nucleus, alteration of the epithelium of bronchi, plethora of blood vessels of lung’s respiratory parts, neurons cariopicnosis of cortical substance of the brain. Moreover, pathomorphological changes were found only in rat kidneys at introduction of 1 mg/kg dose.

Резюме. Проведена оценка гистопатологических изменений в внутренних органах подопытных животных, возникших вследствие внутрибрюшинного введения раствора наночастиц серебра в форме декаэдра на протяжении 14 дней. В результате эксперимента отмечено дозозависимое оборотное набухание эпителия извилистых канальцев почек, гепатоцитов, ядер кардиомиоцитов, альтерацию эпителия бронхов разного калибра, полнокроие кровеносных сосудов в стенках респираторных отделов легких, кариопикноз в нейронах коркового вещества мозга. При чем, при введеннии дозы 1 мг/кг массы тела патоморфологические изменения обнаружено только в почках крыс.

Резюме. Проведена оцінка гістопатологічних змін у внутрішніх органах піддослідних тварин, що виникли внаслідок внутрішньочеревинного введення розчину наночастинок срібла декаедричної форми упродовж 14 днів. В результаті експерименту відмічено дозозалежне оборотне набухання епітелію звивистих канальців нирок, гепатоцитів, ядер кардіоміоцитів, альтерацію епітелію бронхів різного калібру, повнокрів'я кровоносних судин у стінках респіраторних відділів легень, каріопікноз у нейронах кіркової речовини мозку. При чому, при введенні дози 1 мг/кг маси тіла патоморфологічні зміни виявлено лише в нирках щурів.

Keywords

наночастинки срібла; патогістологічні зміни; дозозалежність, наночастицы серебра; патогистологические изменения; дозозависимость, silver nanoparticles; pathomorphological changes; dose-relation

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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