Whole-plant gas exchange was measured continuously for 24 h on rooted cuttings of Girard's 'Pleasant White' azaleas. Azalea treatments were azalea lace bug, Stephanitis pyrioides (Scott), feeding injury levels that averaged 6, 13, or 31% leaf-area injury throughout the plant canopies. Gas exchange parameters, including net photosynthesis, dark respiration, carbon use efficiency, and growth, wer...

Eye exposure to hexavalent chromium (Cr(VI)) acid can cause blindness. A 42-year-old man working in a plating operation presented the emergency department following workplace incident. He had unintentionally fallen into tank containing mixture of 25% Cr(VI) and sulfuric (2.0 g/L) at temperature approximately 40 °C. The dimensions were 8 (depth) × 4 (width) 3 (length) meters. colleague rescued h...

Sulfur mustard or mustard gas has been widely used as a chemical weapon in the first world war and Iraq-Iran war. It causes acute and chronic complications in lungs, eyes and skin. In skin, mustard is toxic, mutagenic, and carcinogenic via alkylation of cellular proteins in enzymes, cell membranes, cytoplasm and particularly cell nucleus as well as in DNA components of the epidermis, dermis and...

1. We have shown that the type of renal lesion produced by compounds of arsenic varies widely: while some arsenicals produce changes in which vascular injury predominates, others produce an equally dominant tubular injury. 2. In either of these groups the character and degree of the vascular or tubular injury produced by different compounds shows further variation, such that the lesions of diff...

abstract   objective: to evaluate and review our experience with pediatric spinal injuries and factors affecting outcome, the authors conducted a retrospective clinical study of 43 cases (32 boys, 11 girls) of pediatric spine injuries treated during four years (january 1999 to december 2003).   methods: forty-three children with spinal injuries were studied retrospectively over four years and w...

objectives the aim of this study was to obtain the epidemiology of this type of injury in tabriz imam reza hospital as a referral center in northwest of iran during 2009 to 2012. materials and methods one hundred bicycle-related patients during the three years were entered in this descriptive cross-sectional study. patient’s demographics, place and time of crash, mechanism of trauma, helmet and...