Chenopodiacea/Amaranthacea pollen is an important cause of respiratory allergy around the world. The problem could be aggravated because in desert or desert-like countries, these weeds are used in greening programmes or as ornamental plants. As climate tendencies should maintain in future decades, relevance of Chenopodiacea/Amaranthacea pollen allergy will go up. Relationship between airborne p...

BACKGROUND Previous studies have shown that children in Tokelau have a lower prevalence of asthma and atopy compared to Tokelauan children resident in New Zealand. We hypothesized that the low asthma and atopy prevalence in Tokelau may be associated with low indoor allergen levels. METHODS Dust was collected from bedding and floors of 76 homes and four public buildings in Tokelau and from the...

The objective of this research was to identify the vegetation-soil relationships in Nodushan arid rangelands of Yazd. 5 sites were selected for measuring the cover of plant species and soil attributes. Soil samples were taken in 0-10 and 10-80 cm layers. The species studied were Salsola tomentosa, Salsola arbuscula, Peganum harmala, Zygophylum eurypterum and Eurotia ceratoides. Canonical corres...

ringworm in 1874, but he considered the fungus to be identical with that of the European ringworm. Manson (1879?82) in China was the first to describe the disease in any detail and he gave it the name tinea imbricata; he considered the fungus a non-cultivable Trichophyton, to which Blanchard gave the name Trichophyton concentricum. Castellani in Ceylon (1910-11) was the first to cultivate the f...

ethanolic crude extract of i. imbricata lindl. (iridaceae) was subjected to column chromatography on silica gel with varying portions of meoh: chcl3. nigicin (irisolone) was isolated and its identification carried out by ir, uv, ms, 1-d and 2-d nmr spectroscopy.

Arhonda Gogos, Haiyan Mu, Fabiana Bahna, Carlos A. Gomez, and Lawrence Shapiro Department of Biochemistry and Molecular Biophysics, Columbia University College of Physicians and Surgeons, New York, New York Department of Ophthalmology, Columbia University College of Physicians and Surgeons, New York, New York Naomi Berrie Diabetes Center, Columbia University College of Physicians and Surgeons, ...