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The acute liver injury in rat caused by gold nanoparticles
Abstract
Objective(s):
Gold nanoparticles (GNPs) command a great deal of attention for biomedical applications nowadays. The data about the degree of toxicity and the accumulation of gold nanoparticles in-vivo is not enough to judge.
Materials and Methods:
A total of 32 healthy male Wistar rats were randomly divided into 4 including: three GNP-treated and one control group. Groups 1, 2 and 3 received 0.5 cc of a solution containing 5, 10, and 100 ppm Au daily via intraperitoneal (IP) injection for 7 days, respectively. The control group was treated with 0.5 cc normal saline with same procedure. Then, several biochemical parameters such as serum glutamate oxaloacetat transaminase (SGOT) and serum glutamate pyrvate transaminase (SGPT) were evaluated at 2, 7 and 14 days after the last injection. After 14 days, all the rats were sacrificed and liver, lung tissues were separated and evaluated.
Results:
SGOT two days after intervention was significantly greater in the group 2 than the control group. In liver histological assessment, in group 1, basophils were observed around the central veins, in group 2 fading and no observation of central veins was seen, and in group 3 hepatic damage was noticed. The lung histological results showed severe vascular hyperemia in group 1, air sacs damage in group 2, and complete air sacs destruction in group 3.
Conclusion:
The results showed extreme changes in the histopathology of lung and liver tissues caused by spherical nanogold with 5-10 nm size in all of three treatment groups.
Fa13 week 11-pln part3
Aggregators are websites or software that collect specific types of information, like RSS feeds, from multiple online sources and display them in one place. RSS allows users to track updates from favorite websites. Aggregators are useful because they bring information to users from wikis, blogs, social networks, news, and Twitter, rather than requiring users to visit each site individually. Popular aggregators include Netvibes, feedly, NewsBlur, My Yahoo, PageFlakes, and Protopage.
Living Dreams
O documento discute uma campanha de comunicação com o objetivo de engajar um público-alvo específico por meio de conceitos, estratégias e peças de comunicação. A dinâmica da campanha é detalhada com ênfase nas peças de comunicação que serão usadas para alcançar os objetivos estabelecidos.
The press newspaper by fateha
Press was a daily tabloid newspaper published in Belgrade, Serbia between 2005 and 2012. It was launched by journalists who left another newspaper called Kurir and established their own publishing company called Press Publishing Group. Press quickly gained a large audience.
The document discusses different aspects of the newspaper market in the UK, including some major newspaper companies. Guardian Media Group owns publications like The Guardian and The Observer. Metro is a free tabloid newspaper distributed on public transport across the UK and published by DMG Media. Other large companies that own newspapers mentioned include News UK, which publishes The Sun.
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This document lists the names Jon Goodbun and Filip Visnjic as well as three organizations - the Working Architecture Group (WAG), Open Tables, and The Polytechnic - and includes web addresses for Open Tables and The Polytechnic.
certificate-preview-6bda3103
Behrang Ajamhassani is a nutritional therapist. The document appears to be some type of letter or report written by Behrang Ajamhassani on November 29th, 2015 regarding nutritional therapy. The document provides very little context beyond identifying the author, their profession, and the date.
Recommended
The acute liver injury in rat caused by gold nanoparticles
Abstract
Objective(s):
Gold nanoparticles (GNPs) command a great deal of attention for biomedical applications nowadays. The data about the degree of toxicity and the accumulation of gold nanoparticles in-vivo is not enough to judge.
Materials and Methods:
A total of 32 healthy male Wistar rats were randomly divided into 4 including: three GNP-treated and one control group. Groups 1, 2 and 3 received 0.5 cc of a solution containing 5, 10, and 100 ppm Au daily via intraperitoneal (IP) injection for 7 days, respectively. The control group was treated with 0.5 cc normal saline with same procedure. Then, several biochemical parameters such as serum glutamate oxaloacetat transaminase (SGOT) and serum glutamate pyrvate transaminase (SGPT) were evaluated at 2, 7 and 14 days after the last injection. After 14 days, all the rats were sacrificed and liver, lung tissues were separated and evaluated.
Results:
SGOT two days after intervention was significantly greater in the group 2 than the control group. In liver histological assessment, in group 1, basophils were observed around the central veins, in group 2 fading and no observation of central veins was seen, and in group 3 hepatic damage was noticed. The lung histological results showed severe vascular hyperemia in group 1, air sacs damage in group 2, and complete air sacs destruction in group 3.
Conclusion:
The results showed extreme changes in the histopathology of lung and liver tissues caused by spherical nanogold with 5-10 nm size in all of three treatment groups.
Fa13 week 11-pln part3
Aggregators are websites or software that collect specific types of information, like RSS feeds, from multiple online sources and display them in one place. RSS allows users to track updates from favorite websites. Aggregators are useful because they bring information to users from wikis, blogs, social networks, news, and Twitter, rather than requiring users to visit each site individually. Popular aggregators include Netvibes, feedly, NewsBlur, My Yahoo, PageFlakes, and Protopage.
Living Dreams
O documento discute uma campanha de comunicação com o objetivo de engajar um público-alvo específico por meio de conceitos, estratégias e peças de comunicação. A dinâmica da campanha é detalhada com ênfase nas peças de comunicação que serão usadas para alcançar os objetivos estabelecidos.
The press newspaper by fateha
Press was a daily tabloid newspaper published in Belgrade, Serbia between 2005 and 2012. It was launched by journalists who left another newspaper called Kurir and established their own publishing company called Press Publishing Group. Press quickly gained a large audience.
The document discusses different aspects of the newspaper market in the UK, including some major newspaper companies. Guardian Media Group owns publications like The Guardian and The Observer. Metro is a free tabloid newspaper distributed on public transport across the UK and published by DMG Media. Other large companies that own newspapers mentioned include News UK, which publishes The Sun.
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This document lists the names Jon Goodbun and Filip Visnjic as well as three organizations - the Working Architecture Group (WAG), Open Tables, and The Polytechnic - and includes web addresses for Open Tables and The Polytechnic.
certificate-preview-6bda3103
Behrang Ajamhassani is a nutritional therapist. The document appears to be some type of letter or report written by Behrang Ajamhassani on November 29th, 2015 regarding nutritional therapy. The document provides very little context beyond identifying the author, their profession, and the date.
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Linked in
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Google hangout presentation 2015
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Este documento presenta información sobre LinkedIn, la red social profesional más grande del mundo. Explica que LinkedIn fue fundada en 2002 y ahora tiene más de 400 millones de usuarios en todo el mundo. Describe los usos principales de LinkedIn como crear un perfil profesional, conectarse con otros profesionales, encontrar trabajos y acceder a grupos de discusión. También resume las mejores prácticas para optimizar un perfil y cómo las empresas pueden usar anuncios segmentados en LinkedIn para encontrar candidatos calificados.
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Garden decided to explore using virtual field trips to expand their audience and allow programs that aren't possible on-site. Virtual field trips provide a powerful way to engage new, distant audiences and increase accessibility for local participants. They also expand programming options by easily integrating multiple locations in interesting ways that aren't possible for regular visits, such as taking over 1,000 people to two woodland locations and a lab in seconds. The possibilities for virtual field trips are limited only by imagination, such as trips to a scientist's exotic research site or collaborating with another organization across the country.
MATTHEW GIBBONS RESUME
Matthew Gibbons has studied mechanical engineering at the University of New Hampshire and Merrimack College. He has a high school diploma from Salem High School where he graduated with high honors. His relevant work experience includes assisting electricians and working in grounds maintenance. He has received several academic scholarships and awards for his involvement in technical programs, athletics, and community service.
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The document introduces 6 individuals including a math professor, seamstress, shoemaker, teacher, firefighter, and microbiologist. It provides their names, ages, hometowns, occupations, job duties, and places of employment.