The aim of this work was to obtain the minimal concentration of chitosan which possess antibacterial characteristic.The concentrations of chitosan that used were 0%; 0,2%; 0,4%; 0,6%; and 0,8% (w/v), whereas bacteria cultures used to examine antibacterial activity of chitosan were Escherichia coli, Bacillus subtilis and Staphylococcus aureus.Well s
Abstract As calcareous foraminifera precipitate their shells from the surrounding water mass, they are the basis of most marine radiocarbon chronologies and paleo-proxies.Nevertheless, post-mortem alteration of shells, especially addition of drosselklappe stellantrieb authigenic calcite, impact proxy records.In the Arctic Ocean, authigenic calcite
Introduction: Freshly isolated uncultured adipose tissue-derived stromal cells (u-ADSCs), containing miscellaneous cells like the relatively abundant mesenchymal stem cells, are attractive for repair and regenerative therapy.However, the detailed characteristics and therapeutic efficacy of u-ADSCs obtained from disease-affected hosts are 2013 camar
BackgroundAccess to healthy food is considered a key determinant of dietary behavior, and there is mixed evidence that living near a supermarket is associated with a healthier diet.In Africa, supermarkets may contribute to the nutrition transition by offering both healthy and unhealthy foods and by replacing traditional food sellers.In Kisumu, Keny
Source localization with time-of-arrival (TOA), time-difference-of-arrival (TDOA), time-delay (TD), received-signal-strength (RSS), or angle-of-arrival (AOA) measurements from several spatially distributed sensors is commonly used in practice.Existing analysis of the Cram $acute{ ext{e}}$ r-Rao lower bounds (CRLB) shows that a hybrid of two or more