Many two-sided platforms (such as search engines and business directories) make pro…ts from auctioning their user base to advertisers. Yet, auctioning users is di¤erent from selling standard commodities, since the participation decision by users (and, therefore, the size of the platform’s user base) depends on the bene…t users expect to receive from joining the platform. In this setting, what i...

The larvicidal activity and repellency of 5 plant essential oils--thyme oil, catnip oil, amyris oil, eucalyptus oil, and cinnamon oil--were tested against 3 mosquito species: Aedes albopictus, Ae. aegypti, and Culex pipiens pallens. Larvicidal activity of these essentials oils was evaluated in the laboratory against 4th instars of each of the 3 mosquito species, and amyris oil demonstrated the ...

The essential oil from flowering aerial parts of Nepeta macrosiphon Boiss. growing wild in Kermanshah Province, Iran, was analyzed by GC/MS. This essential oil was prepared by a modified Likens-Nickerson’s simultaneous distillation-extraction (SDE) method. Forty-five compounds consisting 95.1% of the total components were identified from the oil obtained with a yield of 0.1%w/w. Among them, spa...

Nepeta L. is one of the important genus in Lamiaceae family. It includes ca. 300 herbaceous species and mostly grows Eurasia. represented Turkey by 40 taxa these 16 are endemic. commonly utilized traditional medicine local people, primarily as spasmolytic, diuretic, bronchodilator agents. As a consequence studies on taxa, terpenoids flavonoids have been identified most common components. In thi...

OBJECTIVES Over the past two decades, there has been a growing trend in using oral hygienic products from natural resources such as essential oils and plant extracts. Nepeta cataria L. is a member of the mint family (Labiatae) with several medicinal properties. The objective of this study was to determine the chemical composition and antimicrobial activities of essential oils (EOs) from N. cata...