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This work deals with the design of a small kitchen appliance with a weighing function integrated into a control loop in order to prevent unbalanced movement of the appliance during operation. In this particular case, the weighing should be appropriate for larger amounts (up to 5 kg) of ingredients. The …

Engineered nanofibers and nanoparticles are recognized as capable of inducing cellular perturbations according to the oxidative stress paradigm or by interacting directly with biological membranes. A number of authors in their investigations with the nanofibres and nanoparticles has reported the ability of nanofibers and nanotparticle to cause the different damage …

Natural killer (NK) cells and cytotoxic T lymphocytes (CTLs) recognize virus-infected or malignant transformed cells and destroy them through two independent mechanisms. Apoptotic target-cell death can be triggered by the engagement of death-receptors or by the release of cytotoxic granules. Cytotoxic granules gather at the site of contact between the …

Vascular grafts made of polyethyleneterephthalate (PET) polymers have successfully replaced large-diameter blood vessels, but the long-term performance of small-diameter (< 6 mm) vascular grafts is still disappointing. The main problem is insufficient biocompatibility of polymer surface with blood, which causes complications after implementation; such as thrombosis or restenosis. These complications …

Programmed cell death is a highly organized process by which multicellular organisms eliminate damaged, superfluous and potentially harmful cells. Apoptosis is the most studied form of programmed cell death. It is characterized by typical morphological and biochemical changes which are a consequence of activation of cysteine proteases, caspases. Apoptosis is …