نتایج جستجو برای: in vivo experimentation

تعداد نتایج: 16983550  

ژورنال: دانشور پزشکی 2008
رستمی, فاطمه , فخاری, دکتر علی , محمدپوراصل, اصغر ,

  Introduction : Previous studies have suggested that early smoking initiation predicts longer duration of smoking, heavier daily consumption and increased chances of nicotine dependence. The goal of the present study was to examine the effect of psychological factors on three transitions in the adolescent smoking uptake process: from never smoking to experimentation and regular smoking, and fr...

2011
Yuan Lin Marie-Angélique Laporte Lucile Soler Isabelle Mougenot Thérèse Libourel

Molecular biologists, just like geneticists, make use of various experimental mechanisms and devices to conduct research and to validate or invalidate their theories or initial hypotheses. Mechanisms powered by information technology, called in silico, put data and analysis tools at the centre of the experiments, and are thus different from in vivo, ex vivo and in vitro mechanisms. Multiple res...

Journal: :British Journal of Anaesthesia 1978

Journal: :Anthropology News 1971

Journal: :International Economic Review 1993

2016
Aaron H Fronk Elizabeth Vargis

The retinal pigment epithelium is an important part of the vertebrate eye, particularly in studying the causes and possible treatment of age-related macular degeneration. The retinal pigment epithelium is difficult to access in vivo due to its location at the back of the eye, making experimentation with age-related macular degeneration treatments problematic. An alternative to in vivo experimen...

Journal: Nanomedicine Journal 2014
Akram Valipoor Kazem Parivar Manoochehr Messripour, Mehrdad Modaresi

Objective(s):  The field of nanotechnology is rapidly expanding .The development quantum dots quantum dot (QDs), show great promise for treatment and diagnosis of cancer and targeted drug delivery little data on the toxicity of QDs, especially for in vivo applications, are available. As a result, concerns exist over their toxicity for in vivo applications. Then, cytotoxic effects of cadmium sel...

The use of quantum dots (QDots) as bright and photostable probes for long-term fluorescence imaging is gaining more interest. Thus far, (pre)clinical use of QDots remains limited, which is primarily caused by the potential toxicity of QDots. Most QDots consist of Cd2+ ions, which are known to cause high levels of toxicity. Therefore, the cytotoxic effects of CdSe quantum dots on embryonic devel...

Objective(s): Resveratrol (RSV) is a naturally occurring plant polyphenol with cardioprotective, neuroprotective, immunoregulatory, and anticancer properties and is biologically effective against various diseases. This study aimed to investigate the chemopreventive effect of different doses of RSV against hepatocellular carcinoma (HCC) induced by  diethylnitrosamine (D...

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