An N-alkylamide profiling from an ethanolic Anacyclus pyrethrum DC. root extract was performed using a gradient reversed phase high performance liquid chromatography/UV/electrospray-ionization ion-trap mass spectrometry (HPLC/UV/ESI-MS) method on an embedded polar column. MS1 and MS2 fragmentation data were used for identification purposes while UV was used for quantification. Thirteen N-alkyla...

Introduction nfertility is a complex disorder affecting more than 80 million people worldwide [1]. Approximately 30 % of infertilities are due to male factors [2]. In only 40% of all cases the infertility is detectable, and in the remaining 60% it is not pathologically detectable [3]. Many factors including drug treatment, chemotherapy, toxins, air pollutions and insufficient vitamins intake ha...

Entomological surveys were carried out in six villages at different altitudes in Mpwapwa and Iringa Districts in central Tanzania in March 2002. A total of 1291 mosquitoes were collected. Of these, 887 mosquitoes were collected by light traps and 404 by indoor pyrethrum spray catch technique. Seventy-nine percent (1026) were Anopheles gambiae s.l., 0.2% (N = 3) were An. funestus, and 20.3% (N =...