background: breast cancer arising in young patients (≤ 40 years) is being considered as a distinct clinical entity with more aggressive tumor features and poorer survival. our aim was to assess the impact of age on survival among a large group of iranian women diagnosed with breast cancer. methods: in a cross-sectional study, demographic and clinicopathological characteristics of patients with ...

reactions of free radicals and reactive oxygen species (ros) with biological molecules in vivo play an important physiological role in many diseases. 2,2-diphenyl-1-picrylhydrazyl (dpph) is a stable free radical and often used as a routine reagent to evaluate the antioxidant capacity of an antioxidant. this study was undertaken to investigate the free radical-scavenging and antioxidant activiti...

the effect of a distributed patch mass on the natural frequency of vibration of a laminated rectangular plate with simply supported boundaries is investigated. the third order displacement field of a composite laminated rectangular plate is defined using the two variable refined plate theory. equations of motion of the plate are obtained with the help of calculus of variation. parametric study ...

background & aim: essential oils are isolated from different sections of plants such as flowers, seeds, leaves, stems and roots. essential oils are applied extensively in producing of perfumes, cosmetics, foods, beverages and confectioneries and as ingredients of disinfectants and insecticides. experimental: essential oil are obtained by several isolation methods, such as hydrodistillation ...

this study aims at investigating voices in the persian translation of katherine mansfield's the garden party. in so doing, after a stylistic analysis of the voices in the original is done, it is argued by the authors that the polyphonous nature of the story is to a great extent due to the deployment of various sociolects in the story as well as the choice of free indirect discourse (fid) as the...

a new system is presented for the generation ofrecombinant bacillus subtilis strains without antibioticmarkers. this system is based on two plasmids constructed in escherichia coli. the first plasmid phm30contains an incomplete hisi gene, the last gene in thehistidine biosynthesis operon of b. subtilis and part ofthe genes yvca and yvcb of unkown function flankinghisi at the 3´-end. the spectin...

collection of multiple processes that increase the chronological age of an organism leading to death is defined as aging, and even though important, it is poorly understood. recent research has shown that aging is due to biochemical and genetic changes, in interaction with environmental effects, including diet and nutrition. most knowledge on aging is based on ge­netic model system, but its mol...

musa sapientum (m.sapientum) commonly known as ‘banana’ is widely used in bangladeshi folk medicine for the treatment of various ailments including diarrhea. hence, the present study was designed to investigate antidiarrheal, antioxidant and antibacterial potential of the methanolic extract of m.sapientum seed (mmss). the extract was studied for antidiarrheal property using castor oil and magne...