شیلا امیدظهیر

گروه زیست شناسی دریا، دانشکده علوم دریایی دانشگاه مازندران، بابلسر- ایران

[ 1 ] - بررسی مورفومتریک و مولکولی انگل ژیروداکتیلوس کوبایاشی در ماهی طلایی (Linnaeus, 1758)رCarassius auratus

زمینه مطالعه: ماهی‌ها همواره در معرض عوامل بیماریزای مختلف هستند که در این میان انگل‌ها نقش مهمی دارند. انگل ژبروداکتیلوس از شاخه کرم‌های پهن و از جمله انگل‌های خارجی تک میزبانه مهم ماهی‌های پرورشی و آزاد آب‌های شیرین، شور و ماهی‌های زینتی محسوب می‌شود که می‌تواند سبب ایجاد بیماری و خسارات اقتصادی قابل توجهی گردد. انگل ژیروداکتیلوس در بین ماهی‌های زینتی به ویژه در خانواده کپورماهیان بسیار شایع ...

[ 2 ] - بررسی پارامترهای خونی و سرمی ماهی کفال طلایی دریای خزر (Liza aurata)

بررسی پارامترهای خونی و سرمی روشی برای ارزیابی وضعیت فیزیولوژیک جانوران از جمله ماهی‌ها محسوب می‌شود. ویژگی‌های هماتولوژی در گونه‌های مختلف ماهیان می‌تواند بعنوان یک شاخص مهم ماهی شناسی به کار رود. هدف از این تحقیق، ارزیابی برخی از پارامترهای خونی و سرمی ماهی کفال طلایی (Liza aurata) دریای خزر می‌باشد. پارامترهای خونی شامل تعداد گلبول‌های قرمز(RBC)، تعداد گلبول‌های سفید(WBC) ، میزان هموگلوبین(H...

[ 3 ] - The report of Fibropapilloma in the lips area in a group of freshwater Angelfish (Pterophyllum scalare) in sari city, Iran

Increasing the rate of neoplasms in industrial societies and its wide variety among ornamental and wild fishes in both fresh and salt waters are important. The effect of carcinogenic factors and the role of virus in tumor formation should be considered. In this study 10 3-month-olds Koi and Marble strains of fresh water Angelfish (Pterophyllum scalare), , with cauliflower lesions masses w...

[ 4 ] - Effects of Iron Oxide Nano-Particles on the Intestinal Tissue of Common Carp, Cyprinus Carpio

Background: The application of nano-particles (NPs) in various industries is growing. Since their toxicity is not clearly understood, they can cause adverse effects on the environment. The aim of this study was to evaluate the histopathological effects of iron oxide nano-particles on the small intestine of common carp, Cyprinus carpio. Methods: Four experimental treatments were designed (15 ...

[ 5 ] - Determination of median lethal concentration of herbicide Bensulfuron methyl in common carp (Cyprinus carpio)

Bensulfuron methyl is one of the most widely used herbicide which is used in agricultural fields, especially rice fields. The present study investigated the toxicity of Bensulfuron methyl in Cyprinus carpio for the first time. To this aim, in order to determine the range Finding Test of Bensulfuron methyl, the fishes were randomly divided into 8 groups including 0, 0.01, 0.05, 0.1, 0.5, 1, 2 a...

[ 6 ] - Comparative study of lethal concentration 50 (LC50) of silver nanoparticles and silver nitrate in Caspian Sea gammarus (Pontogammarus maeoticus)

Silver nanoparticles are widely used in various sciences and industries. Widespread use of silver nanoparticles has caused entrance of it to the aquatic environment through Wastewater, so it is necessary to investigate the effects of silver nanoparticles on various aquatic organisms. The present study investigated the lethal concentration and bioaccumulation of silver nanoparticles and its comp...

[ 7 ] - Comparative study of lethal concentration 50 (LC50) of silver nanoparticles and silver nitrate in Caspian Sea gammarus (Pontogammarus maeoticus)

[ 8 ] - Study of iron bioaccumulation and histopathology of muscle, skin and scale of common carp (Cyprinus carpio) following exposed to iron oxide nanoparticles

Increasing development of nanotechnology and the production of nanostructured materials have led to many nanoparticles enter into the environment. Iron oxide nanoparticles are one of the most widely used nanomaterial that their widespread application has been accompanied with concern. The purpose of this study was to evaluate the iron bioaccumulation and histopathology in the muscle, skin and s...

[ 9 ] - In vitro antibacterial activity of Scenedesmus obtusus (Meyen, 1829) extract

The aim of this study was to assay the antibacterial activity of Scenedesmus obtusus on some pathogenic bacteria. Microalgae S. obtusus were obtained from Algae Bank of Iran, and the methanol, ethyl acetate, chloroform and n-hexane extract of the microalgae were prepared using the maceration method. Bacterial strains were cultured in a solid culture medium, and antibacterial activity of the the...