introduction babesiosis is caused by apicomplexa parasites of the genus babesia. humans are commonly infected by babesia through tick bites. there is limited information available about babesia infection of humans in china. the aim of this study was to isolate the pathogen from a patient with severe parasitemia. case presentation blood samples were observed by transmission electron microscopy (...

in this study chemical method of dissolution-precipitation was applied to produce amorphous silica nanoparticles from rice straw ash (rsa), the waste material of rice cultivation. the morphology, particle size, structure and area of specific surface of synthesized amorphous silica nanoparticles were evaluated using transmission electron microscopy (tem), x-ray diffraction analysis (xrd) and bet...

in this paper, plate-like nio nanoparticles were prepared by one-pot solid-state thermal decomposition of nickel (ii) schiff base complex as new precursor. first, the nickel (ii) schiff base precursor was prepared by solid-state grinding using nickel (ii) nitrate hexahydrate, ni(no3)2∙6h2o, and the schiff base ligand n,n′-bis-(salicylidene) benzene-1,4-diamine) for 30 min without using any solv...

This article deals with the development of an original sample preparation method for transmission electron microscopy (TEM) using focused ion beam (FIB) micromachining. The described method rests on the use of a removable protective shield to prevent the damaging of the sample surface during the FIB lamellae micromachining. It enables the production of thin TEM specimens that are suitable for p...

Twenty-two Klebsiella pneumoniae and two K. oxytoca extended-spectrum beta-lactamase (ESBL)-producing isolates were collected in 1996 from patients in two pediatric wards of the University Hospital in Wrocław, Poland. Molecular typing has revealed that the K. pneumoniae isolates represented four different epidemic strains. Three kinds of enzymes with ESBL activity (pI values of 5.7, 6.0, and 8....

OBJECTIVE The optimal aim of oncological surgery is to balance cancer outcomes with preservation of function and quality of life. Radical resection (RR) offers the best curative procedure in colorectal cancer but at significant morbidity. Transanal endoscopic microsurgery (TEM) offers an alternative with less morbidity and better function. Its role remains unclear and needs to be established in...