in the present work, bi2s3 nanostructures have been synthesized with the aid of thioglycollic acid (tga) a solvent, capping agent, and sulfide source in the presence of ultrasonic method. the as-synthesized products were characterized by x-ray diffraction (xrd), energy dispersive x-ray spectroscopy (eds), scanning electron microscope (sem), and photoluminescence (pl) spectroscopy. the band gap ...

A Japanese black feedlot steer suddenly died after exhibiting astasia and cramping of the extremities. Necropsy of the animal revealed that the right kidney was enlarged and pale with severe nephrolithiasis. The urinary bladder displayed mucosal hemorrhage. Upon bacteriological investigation, Proteus mirabilis was isolated from the liver, spleen, right kidney, lungs and urine. Histopathological...

A total of 12 well-characterized strains of Actinomyces viscosus and A. naeslundii grown on Trypticase soy agar plates supplemented with sheep erythrocytes were examined by light microscopy and transmission electron microscopy after treatment with appropriately labeled antisera to homologous and heterologous strains. Cells incubated with homologous rabbit antisera followed by fluorescein-isothi...

Thylakoid Membrane, Cytochrome f, Antiserum A monospecific antiserum to cytochrome f agglutinates stroma-free swellable chloroplasts from tobacco and Antirrhinum. Consequently, antigenic determinants towards which the antiserum is directed are located in the outer surface of the thylakoid membrane. The antiserum inhibits linear photosynthetic electron transport. Just as described earlier for th...

A polypeptide fraction with the apparent molecular weight 11 000 was isolated from stroma-freed chloroplasts from Anthirrhinum majus. An antiserum to this polypeptide fraction inhibits photosynthetic electron transport in chloroplasts from Nicotiana tabacum. The relative degree of inhibition is pH dependent and has its maximum at pH 7.4. The maximal inhibition observed was 93%. The dependence o...

objective: carthamus tinctorius l.(c. tinctorius) is used as a food additive but also has medicinal applications. the present work was designed to investigate its probable side effects on the histology and function of the kidney in the mice. materials and methods: sixty adult balb/c mice were randomly distributed into one control and three experimental groups. the control group received only di...

introduction: to investigate the ultrastructural changes of dentin irradiated with 980-nm diode laser under different parameters and to observe the morphological alterations of odontoblasts and pulp tissue to determine the safety parameters of 980-nm diode laser in the treatment of dentin hypersensitivity (dh). methods: twenty extracted human third molars were selected to prepare dentin discs. ...

introduction: endodontic k-files are major tools for cleaning and shaping of the root canal systems. as there are various k-files available in iranian market, the physical properties of the five available brands were investigated to assist the clinician when selecting suitable endodontic k-files according to the intended application. materials and methods: physical properties (including debris ...

Adult Paris R-III mice with localized mamary tumors were found to have subendothelial glomerular immune complex deposits by electron microscopy and immunofluorescence. In addition to IgG adn B-1-C, the glomeruli contained antigenic material that reacted with an antiserum to mouse mamary tumor virus. These findings support the hypothesis that many animals with congenitally or neonatally induced ...

Avian encephalomyelitis (AE) was recorded in 7-day old Ross strain of broiler chickens showing clinical signs of ataxia, lateral recumbency and mild tremors. In a flock of 10,000 birds, 12% died without producing gross pathological lesions. Diagnosis of the disease was done based on virus isolation in embryonated chicken’s eggs, demonstration of hexagonal virus particles in purkinje cells of ce...