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Browsing Biyoloji / Biology by Author "Yön Ertuğ, Nazan Deniz"

Now showing items 1-20 of 20

A light- and electron microscopic study of primordial germ cells in the zebra fish (Danio rerio)

Yön Ertuğ, Nazan Deniz (SOC BIOLGIA CHILE, 2012)

In sexually reproducing organisms, primordial germ cells (PGCs) give rise to the cells of the germ line, the gametes. In many animals, PGCs are set apart from somatic cells early during embryogenesis. This study explores ...
Determination of Biochemical Composition and Mineral Contents of Deep Sea Pink Shrimp (Parapenaeus longirostris Lucas, 1846) Caught from the Gulf of Izmit, Turkey

Yön Ertuğ, Nazan Deniz (KAFKAS UNIV, VETERINER FAKULTESI DERGISI, 2010)

The aim of this study is to identify seasonal variation of biochemical composition and mineral content (K, Na, Ca, Fe, Mg) in abdominal muscle tissues and hepatopancreas of the Deep sea pink shrimp (Parapenaeus longirostris) ...
Developmental Toxicity of (4S)-2-(4-hydroxy-3-methoxyphenyl)thiazolidine-4-carboxylic acid in Zebrafish (Danio rerio)

Akbulut, Cansu; Burcu Ozturk; Genç Bilgiçli, Hayriye; Zengin, Mustafa; Yön Ertuğ, Nazan Deniz (INST TECNOLOGIA PARANA, 2017)

(4S)-2-(4-hydroxy-3-methoxyphenyl)thiazolidine-4-carboxylic acid is new synthesized substance obtained from cysteine and valine. Thiazolidine derivates have important biological responses so scientists work intensively on ...
EFFECTS OF DELTAMETHRIN ON PRIMORDIAL GERM CELLS OF ZEBRAFISH (Danio rerio) EMBRYOS

Yön Ertuğ, Nazan Deniz (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2013)

In sexually reproducing organisms, primordial germ cells (PGCs) give rise to the cells of the germ line, the gametes. In many animals, PGCs are set apart from somatic cells early during embryogenesis. This study explores ...
EFFECTS OF POLY(2-ETHYL-2-OXAZOLINE) EXPOSURE ON OVARY HISTOLOGY OF ZEBRAFISH (Danio rerio)

Yön Ertuğ, Nazan Deniz; Akbulut, Cansu; Selda Gunes; Muge Alsaran; Ugursoy Olgun; Figen Esin Kayhan; Gullu Kaymak (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2015)

Poly(2-oxazoline)s have been widely used in biomedical applications for the last years. They can mimick natural systems and they generally used as liposomes, drug and gene deliver and pseudopeptides. In this study histological ...
Electron and Light Microscopic Investigations of Follicular Epithelium in Vitellogenic Oocyte of Zebrafish (Danio rerio)

Yön Ertuğ, Nazan Deniz; Akbulut, Cansu (ZOOLOGICAL SOC PAKISTAN, 2012)

The zebrafish (Danio rerio) is an extremely dynamic organ in which follicles undergo asynchronous development. The oocytes of zebrafish ovary are observed in various phases. The oocyte development of zebrafish was divided ...
Exposure of Zebrafish (Danio rerio) to Titanium Dioxide Nanoparticle Causes Paraptosis: Evaluation of Ovarian Follicle Ultrastructure

Akbulut, Cansu; Tugba Kotil; Burcu Ozturk; Yön Ertuğ, Nazan Deniz (ZOOLOGICAL SOC PAKISTAN, 2017)

Titanium dioxide (TiO2) is widely used nanoparticle all over the world. In this study, we have investigated the histopathological effect on zebrafish ovaries after exposure to TiO2 nanoparticles. Adult zebrafish individuals ...
Histological analysis of acute toxicity of 2,4-diclorophenoxy acetic acid in ovary of zebrafish

Yön Ertuğ, Nazan Deniz; Akbulut, Cansu (TAYLOR & FRANCIS LTD, 2012)

Plant growth regulators are the chemicals that are found in plants and produced synthetically. In agricultural applications, plant hormones are used in minor quantities for fixing the problems. In our research, we studied ...
Histological Changes in Zebrafish (Danio rerio) Ovaries Following Administration of Bisphenol A

Yön Ertuğ, Nazan Deniz; Akbulut, Cansu (ZOOLOGICAL SOC PAKISTAN, 2014)

Bisphenol A (BPA) is one of the most potent endocrine disrupting chemicals and therefore is classified as environmental estrogen. BPA is found in polycarbonate plastics (baby feeding bottles, carboys, etc.) and inside of ...
HISTOPATHOLOGICAL EFFECTS OF CADMIUM EXPOSURE ON TESTIS TISSUE OF SWORDTAIL FISH, Xiphophorus helleri (Pisces: Poecilidae)

Yön Ertuğ, Nazan Deniz; Akbulut, Cansu (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2015)

Heavy metal contamination of the aquatic environment has drawn increasing attention as it may have devastating effects on the ecological balance of the recipient environment and a diversity of aquatic organisms. Cadmium ...
HISTOPATHOLOGY AND CELLULAR APOPTOSIS AT SPERMATOGENIC CELLS OF ZEBRAFISH (Danio rerio) AT ACUTE AND SUB-CHRONIC EXPOSURE OF TITANIUM DIOXIDE (TiO2) NANOPARTICLES

Akbulut, Cansu; Yön Ertuğ, Nazan Deniz (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2016)

Titanium dioxide, also known as titanium IV oxide or titania found in nature and most widely used in paints, coatings, plastics, foods, cosmetics, skin care products and medicine. In this study, male adult zebrafish ...
Identification of Primordial Germ Cells: Cytological, Histological and Immunohistochemical Aspects

Yön Ertuğ, Nazan Deniz; Akbulut, Cansu (INST TECNOLOGIA PARANA, 2015)

Primordial germ cells (PGCs) constitute an embryonic cell type that migrate to gonadal precursors and form the gametes. In many animals, PGCs are set apart from somatic cells early during embryogenesis. These cells migrate ...
Ovarian follicle structure of Zebrafish (Danio rerio Hamilton) after poly(2-ethyl-2-oxazoline) exposure

Yön Ertuğ, Nazan Deniz; Olgun, Uğursoy; Akbulut, Cansu (NATL INST SCIENCE COMMUNICATION-NISCAIR, 2016)

Poly(2-oxazoline)s have been widely known for their biomedical applications. They mimic natural systems and are generally used as liposomes, drug and gene delivery modules and also as pseudopeptides. In this study, effects ...
The effects of permethrin on rat ovarian tissue morphology

Tugba Kotil; Yön Ertuğ, Nazan Deniz (ELSEVIER GMBH, URBAN & FISCHER VERLAG, 2015)

All organisms are exposed to chemical agents during their lifetime. One of these agents is a pesticide that is used as fly killer. In this study we investigated the effects of permethrin on rat ovaries using light and ...
The effects of titanium dioxide nanoparticles on ultrastructure of zebrafish testis (Danio rerio)

Tugba Kotil; Akbulut, Cansu; Yön Ertuğ, Nazan Deniz (PERGAMON-ELSEVIER SCIENCE LTD, 2017)

Conclusion: TiO2-NP has been used in crop production, food additives, medicine, toothpastes, sunscreens, cosmetics, and in waste water treatment, which contaminated the environment. Our findings showed TiO2-NP-induced ...
THE SUBLETHAL DISRUPTING EFFECTS OF FLUOXETINE-HCI (FLX) ON CATALASE (CAT) ACTIVITY AND MALONDIALDEHYDE (MDA) LEVELS IN ZEBRAFISH, DANIO RERIO

Figen Esin Kayhan; Belgin Susleyici Duman; Gullu Kaymak; Meliha Koldemir Gunduz; Seyma Tartar; Harika Eylul Esmer; Akbulut, Cansu; Mehtap Cevik; Yön Ertuğ, Nazan Deniz (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2017)

The aim of this study is to investigate sub-lethal disrupting effects of fluoxetine-HCl (FLX) on catalase (CAT) activity and malondialdehyde (MDA) levels of liver tissue and whole body in zebrafish (Danio rerio). FLX is ...
Trace Metal Concentration and Sea Water Quality of Tuzla Shipyard Area, Istanbul, Turkey Using Mediterranean Mussels (Mytilus galloprovincialis) for Monitoring Aquatic Pollution

Yön Ertuğ, Nazan Deniz (ZOOLOGICAL SOC PAKISTAN, 2016)

The mussels of the genus Mytilus have been proposed for routine biomonitoring programs to evaluate pollutants such as heavy metals in coastal environments. The concentrations of Pb and Cd were determined in Mytilus ...
TRACE METAL LEVELS IN ABDOMINAL MUSCLE TISSUE OF FRESHWATER CRAYFISH (Astacus leptodactylus Eschscholtz, 1823) FROM IZNIK LAKE, BURSA, TURKEY

Figen Esin Kayhan; Sibel Colak; Yön Ertuğ, Nazan Deniz; Gullu Kaymak; Akbulut, Cansu (PARLAR SCIENTIFIC PUBLICATIONS (P S P), 2015)

The freshwater crayfish (Astacus leptodactylus Eschscholtz, 1823) is a valuable and protected invertebrate species and the only native and dominant species in the big lakes of Turkey, such as Iznik Lake (Bursa, Turkey). ...
Tribenuron methyl exposure inhibits oogenesis in zebrafish Danio rerio (Hamilton, 1822)

Akbulut, Cansu; B. Ozturk; A. Uzun; Yön Ertuğ, Nazan Deniz (CENTRAL MARINE FISHERIES RESEARCH INST, 2017)

Tribenuron methyl is a herbicide that is used to control annual and perennial dicots in cereals and fallow land. Pesticides can access aquatic ecosystems via groundwater and affect water quality and aquatic life. Our study ...
Ultrastructural evaluation of oocyte envelopes of zebrafish (Danio rerio) (Hamilton, 1822) after TiO2 nanoparticle exposure

Akbulut, Cansu; Tugba Kotil; Yön Ertuğ, Nazan Deniz (INST BIOLOSKA ISTRAZIVANJA SINISA STANKOVIC, 2018)

Titanium dioxide (TiO2) is one of the most widely used nanoparticles, and aquatic organisms are especially exposed to it. To examine reproductive toxicology, zebrafish were exposed to different concentrations (1, 2 and 4 ...