This review highlights several important electrocatalytic reactions performed over single-atomic synergistic structures, including SAC-nanoparticles (SAC-NPs), SAC-clusters (SACCs), dual-atom sites (DACs), and alloys (SAAs).

in spite of being histologically benign, sacrococcygeal teratoma (sct) may recur either as a benign or malignant tumor. a total of 26 patients with benign neonatal scts were treated in taleghanee and mofid medical centers from 1986 to 2000. investigations included radiography,abdominal ultrasound and computed tomography (ct) scan and measurement of tumor marker (α-fetoprotein). initial surgical...

in a prospective survey, 200 cases of operated chronic dacryocystitis were divided into three groups according to the kind of operation, and the respective results are as follows: group i includes 100 cases in whom the lacrimal bone was removed (8mm x 8mm) and a 6mm diameter catheter was used (as a duct between the lacrimal sac and nasal cavity). the recurrence rate within one year was 24 % . g...

objective: a secondary ectopic pregnancy is defined as continuing development of a fetus in the abdominal cavity after rupture of the uterine wall, which may be associated with a history of trauma. methods: a cat was referred to the veterinary teaching hospital of the university of tehran with history of anorexia and vaginal bleeding. in clinical examination some masses werepalpated in abdomina...

introduction: dacryocystorhinostomy (dcr), a popular surgical procedure, has been performed using an endoscopic approach over recent years. excellent anatomical knowledge is required for this endoscopic surgical approach. this study was performed in order to better evaluate the anatomical features of the lacrimal apparatus from cadavers in the isfahan forensic center as a sample of the iranian ...

In a prospective survey, 200 cases of operated chronic dacryocystitis were divided into three groups according to the kind of operation, and the respective results are as follows: Group I includes 100 cases in whom the lacrimal bone was removed (8mm x 8mm) and a 6mm diameter catheter was used (as a duct between the lacrimal sac and nasal cavity). The recurrence rate within one year was 24 ...

The route of transfer of anti-Borrelia duttonii antibody subclasses from mother to young and their role in protection against borrelial challenge infection in ddY mice were investigated. Offspring from infected and noninfected mice were segregated and nursed by noninfected or infected mothers. Enzyme-linked immunosorbent assay analysis of antibodies of the cross-suckled offspring revealed that ...

Seaweeds are large-scale multicellular marine algae categorized based on color as Chlorophyceae, Rhodophyceae, and Phaeophyceae. No information has been provided the conditions affecting production of mesoporous activated carbon from one member described aquatic plants, namely Sargassum sp. Therefore, this study aimed to determine impact main factors their interactions sp.-derived manufactured ...