نتایج جستجو برای: cytotoxicity tests
تعداد نتایج: 380773 فیلتر نتایج به سال:
The aim of this study was to evaluate differences in the effects of Qi therapy without touching or with touching on anxiety, mood, neurohormones, and cellular immune function. Twenty-four healthy male subjects were randomly assigned to either QTN (n = 12) or QTT (n = 12). They received Qi therapy (external Qigong) without touching (QTN) or with touching (QTT). Nonparametric statistical tests re...
Nickel-titanium (NiTi) shape memory alloys possess super-elasticity in addition to the well-known shape memory effect and are potentially suitable for orthopedic implants. However, a critical concern is the release of harmful Ni ions from the implants into the living tissues. We propose to enhance the corrosion resistance and other surface and biological properties of NiTi using carbon plasma i...
A 3D-glass-ceramic scaffold for bone tissue engineering with an interconnected macroporous network of pores was doped with silver ions in order to confer antibacterial properties. For this purpose, silver ions were selectively added to the scaffold surfaces through ion-exchange using an aqueous silver nitrate solution. The silver-doped scaffolds were characterized by means of leaching, in vitro...
Ceramics and glass ceramics based on industrial waste have been widely recognized as competitive products for building applications; however, there is a great potential for such materials with novel functionalities. In this paper, we discuss the development of magnetic sintered glass ceramics based on two iron-rich slags, coming from non-ferrous metallurgy and recycled borosilicate glass. The s...
The Björn Ekwall Memorial Foundation (BEMF) was initiated by the Scandinavian Society for Cell Toxicology in 2001, to honour the memory of Dr Björn Ekwall (1940-2000) and to establish a prize, the Björn Ekwall Memorial Award. The prize is awarded to scientists who have significantly contributed to the field of cell toxicology, and whose work is contributing toward the replacement of animal expe...
In vitro toxicological tests have been proposed as an approach to complement the chemical safety assessment of food contact materials, particularly those with a complex or unknown chemical composition such as paper and board. Among the concerns raised regarding the applicability of in vitro tests are the effects of interference of the extractables on the outcome of the cytotoxicity and genotoxi...
background: human peripheral blood nk cells constitutively express cd56 and cd16 antigens. peripheral blood nk cells seem to be strongly related with decidual nk cells, and may reflect the decidual nk cell functional status. there are varied reports concerning the relationship between nk cell cytotoxicity in women with recurrent spontaneous abortion. objective: to study nk activity in women wit...
nowadays in trade and economic issues, prediction is proposed as the most important branch of science. existence of effective variables, caused various sectors of the economic and business executives to prefer having mechanisms which can be used in their decisions. in recent years, several advances have led to various challenges in the science of forecasting. economical managers in various fi...
the pathogenesis of equine grass sickness (egs) has not fully understood. a better understanding of the exact pathogenesis of diseases can help to make an accurate diagnosis. previous studies reported some pathological damage of neuronal cells in egs patients. in this study, primarily cytotoxicity of serum from three clinically egs-diagnosed horses on pc12 tet-off (pto) cells was assessed. subs...
quinazolinone ring system is renown because of its wide spectrum of pharmacological activities due to various substitutions on this ring system. in this study, the minimum inhibitory concentration of the synthesized compounds in our laboratory was determined by micro dilution alamar blue ® assay against six strains of bacteria (three gram-positive and three gram-negative) and three strains of f...
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