this study was designed to elucidate the effect of ascorbic acid on salivary total antioxidant capacity in smokers. in this single blind crossover clinical trial, the whole unstimulated saliva of 30 smokers, who were randomly divided into two groups, was collected. in the first phase after the saliva collection, one group of patients took 500 mg of vitamin c powder, for 3 weeks. then, saliva of...

several lichen species have been used for medicinal purposes throughout the ages, and they were reported to be effective in the treatment of different disorders including tuberculosis, hemorrhoids, ulcer, dysentery and cancer. it is revealed that they may be easily accessible sources of natural drugs that could be used as a possible food supplement or in pharmaceutical industry after their safe...

background: cornus sanguinea l subsp australis (c.a. mey.) jáv. (cornaceae) is a native species in north and northwest of iran. it is locally named siah-al. the genus cornus is rich source of anthocyanins. objective: in this study the antioxidant activity, total phenol and total anthocyanin contents of different extracts of c. sanguinea l subsp australis. were investigated for the first time. m...

background and objectives: dairy companies always try to increase the quantity and quality of milk production. according to the positive impact of different plants on milk production of cattle, this study was carried out to standardize a galactogogue herbal mixture based on its total phenol and flavonol contents and antioxidant activity.  methods: a mixture of galega officinalis l. and nigella ...

Large-scale, predictive social analytics have proven effective. Over the last decade, research and industrial efforts have understood the potential value of inferences based on online behavior analysis, sentiment mining, influence analysis, epidemic spread, etc. The majority of these efforts, however, are not yet designed with realtime responsiveness as a first-order requirement. Typical system...

BACKGROUND The Emory Jane Fonda Center implemented the Start Strong Atlanta social marketing campaign, "Keep It Strong ATL", in 2007 to promote the development of healthy adolescent relationships and to foster the prevention of adolescent dating abuse among 11-14 year olds. OBJECTIVE A formative evaluation was conducted to understand whether messages directed at the target audience were relev...

In a recent posting, a parent uploaded and tagged a picture of their 18 year old son as a little boy dressed in a tutu. Once tagged, the photo became accessible to the son's entire Facebook friend network with a corresponding newsfeed of the action. The mortified son quickly responded to the posting by untagging and disassociating the image from his identity. He also made it clear to his parent...

This paper investigates competition for advertisers in media markets when viewers can subscribe to multiple channels. A central feature of the model is that channels are monopolists in selling advertising opportunities toward their exclusive viewers, but they can only obtain a competitive price for advertising opportunities to multi-homing viewers. Strategic incentives of firms in this setting ...

A total coloring of a graph G=(V,E) is an assignment colors to vertices and edges such that neither two adjacent nor incident get the same color, and, for each edge, end-points edge itself receive different colors. Any valid induces partition elements G into matchings, which are defined as subsets can take color. In this paper, we propose Integer Linear Programming models both Total Coloring Ma...