Bigger Size Silver Nanoparticles Hamper Mother and Fetus Nutrition after Serial Ingestion of Bolotic Colloidal Nano Silver Stirring Solution through Oral Route: A Revolutionary Research Discovery in Teratogenicity & Toxicity Field

P. J. Prakash, Singh Royana
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引用次数: 3

Abstract

In the field of household products like air conditioner, food protective wrapper silver foil, compressor, fabrics and washing machine manufacture, subscriber or consumer utilized engineered silver nanoparticles of multi bigger size (100 nm size range or more) demand has been extensively increased with increase of negative feedback while using. For the purpose to assess the effect of bigger size silver nano particles on body nutritional status, a serial oral application of silver nanoparticle colloidal stirring cool solution has been made upon pregnant Swiss Albino mice. On serial application (Daily once in morning 9 am continuously from 6 to 19 gestational ages) by repeated gavages during pregnancy pass through portal venous circulation towards liver after gastro intestinal tract absorption hampers mother nutrition by blocking intra hepatic billiary radical and also drastically affect fetal nutrition following same mechanism after crossing blood placental barrier due to gradual accumulation. The present research investigates whether orally induce colloidal silver nanoparticles (AgNps) reach after crossing mother mouse blood placental barrier and induce adverse effects in fetuses from treated group. Pregnant Swiss Albino female mouse from treated group are exposed during the first 13 days of gestation by serial oral bolotic application of bigger size silvernano colloid stirring cool solution at volume of 6, 12, 18, 24 mg/kg b.w. corresponds to individual group when compared with double distilled water vehicle control. Black ash colored bigger silver nanoparticles are identified scattered in maternal and fetal liver, upper GI tissues, placental and umbilical cord tissues of pregnant mother and fetuses after cesarean section and organ removal in gross , histological and TEM view. Particles are found in chronic depositative manner severely blocking portal triad of liver, IHBR and portovenous route. Transmission electron microscopy coupled with energy-dispersive spectroscopy confirmed the size range of particle silvernano from 71 to 1900 nm range. Serial oral ingestion of bigger size AgNps results in increased number of resorbed and malnutriated fetuses associated with reduced mother body and liver (sink & weak) weight and diet. Increased expression of particle accumulation is also detected in the placental cut section of treated groups. The acquired results indicates bigger size nanosilver are able to reach fetus after crossing the pregnant mouse blood placental barrier and portovenous circulation causing hamper of mother and fetus nutrition by obstruction of micro and macro channels. Henceforth as a conclusion, it is wise to take precaution with respect to oral exposure of bigger size silvernanoparticles during pregnancy.
口服连续摄入Bolotic胶体纳米银搅拌溶液后,更大尺寸的银纳米粒子阻碍了母亲和胎儿的营养:致畸性和毒性领域的革命性研究发现
在空调、食品保护包装、银箔、压缩机、织物、洗衣机制造等家用产品领域,随着使用过程中负反馈的增加,用户或消费者对更大尺寸(100纳米以上)的工程纳米银的需求也在广泛增加。为了评估更大尺寸的纳米银颗粒对机体营养状况的影响,连续口服纳米银颗粒胶体搅拌冷溶液给怀孕的瑞士白化病小鼠。妊娠期反复灌胃连续应用(6 ~ 19胎龄每天早上9点连续一次),经胃肠道吸收后经门静脉循环进入肝脏,阻断肝内胆管自由基,阻碍母体营养,并因逐渐积累而穿过血胎盘屏障,以同样的机制严重影响胎儿营养。本研究探讨口服诱导的胶体银纳米粒子(AgNps)是否穿过母鼠血液胎盘屏障到达治疗组胎儿并引起不良反应。治疗组妊娠瑞士白化病雌性小鼠在妊娠13天内连续口服大剂量银维诺胶体搅拌液,其体积分别为6、12、18、24 mg/kg b.w.,对应于个别组,与双蒸馏水对照。剖宫产及脏器切除后,母体及胎儿肝脏、上消化道组织、胎盘及脐带组织中均可见散在的黑灰色较大银纳米颗粒。颗粒以慢性沉积方式存在,严重阻塞肝门静脉三联、IHBR及门静脉通路。透射电子显微镜结合能量色散光谱证实了银纳米颗粒的尺寸范围为71 ~ 1900 nm。连续口服较大尺寸的AgNps导致吸收和营养不良的胎儿数量增加,与母亲身体和肝脏(下沉和虚弱)体重和饮食减少有关。处理组胎盘切面颗粒堆积表达增加。结果表明,较大尺寸的纳米银可通过孕鼠血胎盘屏障和门静脉循环到达胎儿体内,通过堵塞微、宏观通道阻碍母胎营养。因此,作为一个结论,在怀孕期间采取预防措施是明智的,因为口服暴露较大尺寸的银颗粒。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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