Now showing items 11-20 of 1728
Pyridinic analog of the natural product (-)-spectaline as potential adjuvant for the treatment of central nervous system disorders
(Elsevier B.V., 2015-05-15)
Previously we designed a series of pyridinic anticholinesterasic compounds based on molecular hybridization between tacrine and the natural piperidine alkaloid (-)-3-O-acetylspectaline isolated from Senna spectabilis. Based ...
The effect of analogies on learning to solve algebraic equations
A total of 236 seventh grade students who had never been taught algebraic equations before, attending 10 Chilean schools of varying socio-economic status, were randomly divided into two groups at each school. The students ...
Antioxidant Activity of Resveratrol Analogs
(BENTHAM SCIENCE PUBL LTDSHARJAH, 2012)
This study evaluated the antioxidant activity of five resveratrol analogs by relating the activity of the molecule with its chemical structure. The five resveratrol analogs were synthesized and the antioxidant activity was ...
Have the southernmost Andes been curved since Late Cretaceous time? An analog test for the Patagonian Orocline
(Geological Society of America, 2007-01)
The kinematic evolution of the enigmatic arc-shaped southernmost Andes of Patagonia and Tierra del Fuego has been a subject of debate for most of the past century. We compared the results from analog sandbox experiments ...