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Distribution and resorption of polymeric microparticles in visceral organs of laboratory animals after intravenous injection / E. I. Shishatskaya [et al.] // Bulletin of Experimental Biology and Medicine. - 2009. - Vol. 148, Is. 5. - P789-793, DOI 10.1007/s10517-010-0817-3 . - ISSN 0007-4888
Кл.слова (ненормированные):
14C -- Intravenous injection -- Microparticles -- Resorbable polyhydroxybutyrate -- Visceral tissues -- carbon 14 -- microsphere -- polyhydroxyaminobutyric acid -- polymer -- unclassified drug -- animal experiment -- animal tissue -- article -- biocompatibility -- biodegradability -- body growth -- controlled drug release -- controlled study -- degradation kinetics -- drug delivery system -- drug dosage form -- experimental animal -- female -- liver parenchyma -- molecular weight -- nonhuman -- particle size -- physical development -- radioactivity -- rat -- spleen -- tissue distribution -- tissue structure -- Animals -- Animals, Laboratory -- Carbon Radioisotopes -- Female -- Injections, Intravenous -- Particle Size -- Polymers -- Rats -- Rats, Wistar -- Tissue Distribution -- Viscera -- Animalia
Аннотация: Microparticles obtained by using 14C-labeled resorbable hydroxyaminobutyric acid polymer were injected into the caudal vein of laboratory animals without negative aftereffects for their growth and development and without changes in the macro- and microstructure of organs and tissues. The distribution of microparticles in the viscera and the dynamics of accumulation of carbon-containing polymer degradation products in the viscera were studied. The main targets for the particles are liver tissues, as well as renal and splenic tissues. The polymeric matrix of the microparticles is most actively destroyed in the spleen and liver. The presence of high-molecular- weight polymeric matrix in organs indicates the integrity of microparticles and the possibility of long-term (up to 12 weeks) functioning of polymeric particles in vivo. В© 2009 Springer Science+Business Media, Inc.

Scopus
Держатели документа:
Institute of Biophysics, Siberian Division of Russian Academy of Sciences, Krasnoyarsk, Russian Federation
Institute of Basic Biology and Biotechnology, Siberian Federal University, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Goreva, A.V.; Voinova, O.N.; Kalacheva, G.S.; Volova, T.G.

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Study of the biological properties of polyoxyalkanoates in the in vivo chronic experiment / E. I. Shishatskaya, T. G. Volova, T. G. Popova // Meditsinskaya Tekhnika. - 2002. - Is. 4. - С. 29-33 . - ISSN 0025-8075
Кл.слова (ненормированные):
biomaterial -- polymer -- animal -- article -- bioremediation -- comparative study -- female -- metabolism -- rat -- suture -- Wistar rat -- Animals -- Biocompatible Materials -- Biodegradation, Environmental -- Female -- Polymers -- Rats -- Rats, Wistar -- Sutures -- Biocompatibility -- Immunology -- Implants (surgical) -- Materials testing -- Organic polymers -- Polyoxyalkanoates -- Rat models -- Suture threads -- Biomaterials
Аннотация: Chronic experiments on mature Wistar rats studied the biological properties of suture threads from two types of polyoxyalkanoates (POA), such as polyoxybutyrate (POB) and the copolymer of POB and polyoxyvalerate (POV) (POB/POV) as compared to the conventional surgical material (silk and catgut). The physiological and biochemical parameters that reflect the status of the animals, including their behavior, height and development, the weight of the body and viscera, the morphology of peripheral blood, the biochemical parameters of blood, the activity of some enzymes, as well as histological findings of the viscera, and lymphoid tissue responses were assessed. POA was found to produce no negative effect on the physiological, biochemical, and functional characteristics of the animals irrespective of the duration of contact with the internal medium of the body and of the chemical composition of a material.

Scopus
Держатели документа:
Inst. Biofiziki SO RAN, Krasnoyarsk, Russian Federation : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Shishatskaya, E.I.; Volova, T.G.; Popova, T.G.

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Bioaccumulation, inter-organ distribution, and retention of waterborne and dietary Am-241 in silver crucian carp [Text] / T. A. Zotina [et al.] // Toxicol Environ. Chem. - 2014. - Vol. 96, Is. 2. - P243-254, DOI 10.1080/02772248.2014.941368. - Cited References: 25 . - ISSN 0277-2248. - ISSN 1029-0486

РУБ Environmental Sciences + Toxicology
Рубрики:
YENISEI RIVER
   TELEOST FISH
   RADIONUCLIDES
   METALS
   AMERICIUM
   EXPOSURE
   ELEMENTS
   ASSIMILATION
   ELASMOBRANCH
   DEPURATION
Кл.слова (ненормированные):
Americium-241 -- assimilation -- Carassius auratus gibelio -- force-feeding
Аннотация: The bioaccumulation of actinide Am-241 from food and water in bodies of freshwater fish (Carassius auratus gibelio, silver crucian carp) has been investigated in laboratory experiments. Homogenized biomass of submerged macrophytes labeled with Am-241 was injected into the fish gullet. Internal organs and tissues of crucian carp could be ranked according to activity concentration of dietary Am-241 after depuration of the digestive tract as follows: liver > gonads > bones > muscles. Accumulation of waterborne Am-241 in internal organs and tissues of crucian carp mainly occurred via the digestive tract. While the concentration of Am-241 in liver of crucian carps decreased during depuration time, its concentration in bones increased indicating slower transfer of Am-241 to skeleton compared to muscles and liver. The retention of dietary Am-241 in the bodies of crucian carp reached 35%-46% of ingested Am-241: 20%-31% was retained in liver, 0.6%-0.8% in skeleton, and 1.4%-2.0% in muscles. The concentration factor of Am-241 from water was 0.4 for the whole body, 0.3 for liver, 0.01 for muscles, and 0.01 for skeleton. Trace amounts of Am-241 were recorded in viscera and muscles of a wild population of silver crucian carp inhabiting a radioactively contaminated part of the Yenisei River.

WOS,
Scopus
Держатели документа:
[Zotina, T. A.
Trofimova, E. A.
Dementyev, D. V.
Bolsunovsky, A. Y.] Inst Biophys SB RAS, Krasnoyarsk, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Zotina, T.A.; Trofimova, E.A.; Dementyev, D.V.; Bolsunovsky, A.Y.

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