LETTERS 756 AAAS Position on GM Foods Could Backfi re S. H. Priest et al. In Defense of Physician-Investor Collaboration J. Chakma Give Shark Sanctuaries a Chance D. D. Chapman et al. 757 CORRECTIONS AND CLARIFICATIONS 757 TECHNICAL COMMENT ABSTRACTS BOOKS ET AL. 758 The Signal and the Noise N. Silver, reviewed by S. Wang and B. C. Campbell 759 How to Create a Mind R. Kurzweil, reviewed by C. K...

T his story begins in the early 1880s. The germ theory of disease was fairly well established, although some experts continued to challenge it. For example, Theodor Billroth (1829– 1894) of Vienna, often called the founding father of abdominal surgery, did not immediately accept the germ theory, but later embraced the concept and became very successful in many pioneering surgeries. Another crit...

The fruiting branches of Colutea cilicica Boiss. & Bal., along with leaves and fruits, have been used to heal inflammatory wounds at traditional medicine in various parts of Turkey. In order to evaluate the wound healing activity of the plant, aqueous extracts were prepared from the flowering parts and fruits of Colutea cilicica Boiss. & Bal. by using 40°C distilled water. Incision wound healin...

B Blümel ([email protected])1,2,3,4, B Schweiger1, M Dehnert1,5, S Buda1, A Reuss1, I Czogiel1, P Kamtsiuris1, M Schlaud1, C Poethko-Müller1, M Thamm1, W Haas1 1. Robert Koch Institute, Berlin, Germany 2. Postgraduate Training for Applied Epidemiology (PAE, German FETP), Robert Koch-Institute, Berlin, Germany 3. European Programme for Intervention Epidemiology Training (EPIET), European...

Satureja spicigera (Lamiaceae) grows wildly in Northwest of Iran. In this study, bioassay-guided isolation and identification of the main compounds has been reported using various chromatographic methods and comparison of their spectral data with those reported in the literature. Brine shrimp lethality and four cancerous cell lines HT29/219, Caco(2), NIH-3T3, and T47D were used for cytotoxicity...

Arshadchamani rangelands are placed in the north foothill of SahandMountain and near Kandovan Village. Therefore, it has plant diversity andeconomical values. In this region, medicinal plants are cut and sold by the storeswith non-standard packaging without scientific name. Regarding the economicalvalue of medicinal plants and thereby the investment necessity on these valuableresources for usin...

32 Printz, R. L., Koch, S., Potter, L. R., O’Doherty, R. M., Tiesinger, J. J., Moritz, S. and Granner, D. K. (1993) J. Biol. Chem. 268,5209-5219 Mayer, D., Klimek, F., Hacker, H. J., SeelmannEggebert, G. and Bannasch, P. (1989) in Liver Cell Carcinoma (Bannasch, P., Keppler, D. and Weber, G., eds.), pp. 329-345, Kluwer Academic Publishers, Dordrecht Mayer, D. and Letsch, I. (1989) Cell Biochem....

1 Lowrey, L. G., Anat. Rec., 7, 143-168 (1913). 2 Donaldson, H. H., J. Comp. Neur. Psychol., 20, 119-144 (1910). ' Donaldson, H. H., Ibid., 21, 129-137 (1911). 4Donaldson, H. H., Ibid., 21, 139-145 (1911). 6Donaldson, H. H., Ibid., 21, 161-176 (1911). 6 Donaldson, H. H., The Rat, Mem. Wistar Inst. Anat. Biol., Philadelphia, No. 6 (1915). 7 Koch, W. and Mann, S. A., Arch. Neur. Psychiat. (Mott),...

Background: Medicinal plants are considered new resources for producing agents that could act as alternatives to antibiotics in the treatment of antibiotic-resistant bacteria. The aim of this study was to evaluate the antibacterial activity of 28 plant extracts and oils against four Gram-negative bacterial species.Methods: Experimental, in vitro, evaluation of the activities of 28 plant extract...