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Adsorption of Cu(II) from aqueous solution by micro-structured ZnO thin films
Mahsa Bagheri,Saeid Azizian,Babak Jaleh,Abdolkarim Chehregani 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
Micro-structured thin films of ZnO and Zn(OH)2 on glass slides were prepared using microwave irradiation as a rapid and simple method. The effect of pH on the structure and composition of films were studied by scanning electron microscope and X-ray diffraction methods. Formation of flower-like ZnO structure starts with formation of nano-rods. The application of thin films as adsorbent was studied by Cu(II) adsorption of from aqueous solution. The adsorption equilibrium and kinetic data were modeled with classical and recently developed models. The obtained ZnO film is an effective adsorbent for removing of Cu(II) with high adsorption capacity of 692 mg/g.
Infective Left Atrial Dissecting Flap after Cardiac Surgery
Maryam Nabati,Sasan Tabiban,Ali Ghaemian,Babak Bagheri,Mojtaba Shokri 한국심초음파학회 2014 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.22 No.3
Left atrial dissection (LatD), defined as the forced separation of the left atrial (LA) wall layers by blood, is a rare and severe complicationof cardiac surgery. It is most frequently associated with atrioventricular junction injuries. We report a case of infected LatDafter coronary artery bypass graft, mitral valve replacement, aortic valve replacement and ascending aortic root replacement. Thepatient was presented with septicemia and disseminated intravascular coagulation. To the best of our knowledge, this is the firstcase report of LA dissecting flap concomitant with attached infective vegetations identified by transesophageal echocardiography.