Application of a Tactile Way-Finding Device to Facilitate Navigation in Persons With Dementia Lawrence E. M. Grierson PhD a b , John Zelek PhDPEng c , Isabel Lam d , Sandra E. Black MDFRCP(C) d & Heather Carnahan PhD e a Toronto Rehabilitation Institute, Toronto, Ontario, Canada b Department of Family Medicine, McMaster University, Hamilton, Ontario, Canada c Department of Systems Design Engine...

In this study the in vitro cytotoxic properties of ethanol extracts from the herbs, inflorescents and roots of selected Asteraceae species: Arctium lappa, Artemisia absinthium, Calendula officinalis, Centaurea cyanus, Tanacetum vulgare and Tragopogon pratensis on J-45.01 human acute T leukemia cell line was examined. All tested samples possess antileukemic properties and induce cells death via ...

Trypanocidal activity was found in the volatile oil of dried Dracocephalum kotschyi. GC-MS analysis determined that the major constituents of the oil were geranial (35.8%), C10H14O (26.6%), limonene (15.8%) and 1,1-dimethoxy decane (14.5%). In order to isolate the unknown biologically active monoterpene, fractionation of the volatile oil was carried out by silica gel column chromatography. The ...

background & aim: the genus tanacetum l. belongs to the family asteraceae and tribe anthemideae. according to the recent findings the number of tanacetum species in iran is 36, of which 12 are endemic. in this study the essential oil composition of tanacetum chiliophyllum var. oligocephalum was investigated for the first time.   experimental: the plant was collected during flowering stage f...