An agonist is any molecule, large or small, that is able to act as a ligand and bind to a receptor by one of a variety of mechanisms, such as covalent linkage, ionic interaction, hydrogen bonding, Van der Waals forces, hydrophobic interactions or the zipper mechanism, which results in the receptor being taken from its resting state to an activated state which consequently results in a response ...

background: the prevalence of metabolic syndrome (mets) is increasing worldwide. limited data are available trying to compare different definitions suggested to identify mets. this study aimed to compare the prevalence of mets and its components based on currently available international and iranian national definitions. methods: the present cross-sectional study was conducted in 2015 among fem...

The concept of food security has been defined on numerous occasions by the international community and it has evolved considerably over time. One of the most fundamental shifts has been the change from an initial concept in which food security was considered equivalent to the reliable availability of food towards the contemporary notion in which food is one of the elements of a complex social c...

Metadata descriptions of database contents are required to build and use systems that access and deliver data in response to user requests. When numerous heterogeneous databases are brought together in a single system, their various metadata formalizations must be homogenized and integrated in order to support the access planning and delivery system. This integration is a tedious process that r...