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Information Journal Paper

Title

SUB-CHRONIC DERMAL TOXICITY OF SILVER NANOPARTICLES IN GUINEA PIG: SPECIAL EMPHASIS TO HEART, BONE AND KIDNEY TOXICITIES

Pages

  511-519

Abstract

 Silver nanoparticles (AG NPS) have been widely used as new potent antimicrobial agents in cosmetic and hygienic products. Present study compares the tissue levels of AG NPS in different organs of Guiana Pigs quantitatively after dermal application and analysis the morphological changes and pathological abnormalities on the basis of the AG NPS tissue levels. Before toxicological assessments, the size of colloidal NANOSILVER was recorded by X-Ray Diffraction and Transmission Electron Microscope tests and the sizes of samples were recorded in sizes less than 100 nm. For toxicological evaluation, male guinea pigs were exposed to three concentrations of AG NPS (100, 1000 and 10000 ppm) according to acute pretests for further assessments in subchronic model in a period of 13 weeks. A close correlation between dermal exposure and tissue levels of AG NPS was found (p < 0.05) and tissue uptakes happened in dose dependent manner with the following ranking: kidney>muscle>bone>skin>liver>heart>spleen. In histopathological studies, severe proximal convoluted tubule degeneration and distal convoluted tubule were seen in the kidneys of the middle and high-dose animals. Separated lines and marrow space narrow were determined as two major signs of bone toxicities which observed in three different dose levels of AG NPS. Increased dermal dose of AG NPS caused cardiocyte deformity, congestion and inflammation. The three different AG NPS concentration gave comparable results for several endpoints measured in heart, bone and kidney, but differed in tissue concentrations and the extent of histopathological changes. It seems that Ag ions could be detected in different organs after dermal exposure, which has the potential to provide target organ toxicities in a time and dose dependent manner.

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    • Cite

    APA: Copy

    KORANI, MITRA, REZAYAT, SEYED MAHDI, & ARBABI BIDGOLI, SEPIDEH. (2013). SUB-CHRONIC DERMAL TOXICITY OF SILVER NANOPARTICLES IN GUINEA PIG: SPECIAL EMPHASIS TO HEART, BONE AND KIDNEY TOXICITIES. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 12(3), 511-519. SID. https://sid.ir/paper/288142/en

    Vancouver: Copy

    KORANI MITRA, REZAYAT SEYED MAHDI, ARBABI BIDGOLI SEPIDEH. SUB-CHRONIC DERMAL TOXICITY OF SILVER NANOPARTICLES IN GUINEA PIG: SPECIAL EMPHASIS TO HEART, BONE AND KIDNEY TOXICITIES. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2013;12(3):511-519. Available from: https://sid.ir/paper/288142/en

    IEEE: Copy

    MITRA KORANI, SEYED MAHDI REZAYAT, and SEPIDEH ARBABI BIDGOLI, “SUB-CHRONIC DERMAL TOXICITY OF SILVER NANOPARTICLES IN GUINEA PIG: SPECIAL EMPHASIS TO HEART, BONE AND KIDNEY TOXICITIES,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 12, no. 3, pp. 511–519, 2013, [Online]. Available: https://sid.ir/paper/288142/en

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