The biosynthesis of astaxanthin in the prawn was studied further using pure carotenoids and preparacions obtained from natural sources. Zeaxanthin, obtained from the Chinese lantern, was fed to the prawn, Penaeus japonicus Bate. Astaxanthin was biosynthesized from zeaxanthin, thus indicating the existence of a second pathway to astaxanthin in the prawn. Canthaxanthin and astaxanthin from crab w...

background : scientific journals are the most credible and updated information resources for valid information in the various fields of science and technology. the present study investigates the status of iranian scientific journals in disseminating medical information to the world of science. methods : total 163 iranian medical journals accredited by national medical journals commission of ira...

The concept of Open Bibliography in science, technology and medicine (STM) is introduced as a combination of Open Source tools, Open specifications and Open bibliographic data. An Openly searchable and navigable network of bibliographic information and associated knowledge representations, a Bibliographic Knowledge Network, across all branches of Science, Technology and Medicine, has been desig...

Center's (OCLC) WorldCat. The goal of the study is to gauge the characteristics of bibliographic entities under study, to examine types of relationships these entities exhibit, and to collocate bibliographic entities according to the FRBR group 1 hierarchy of entities identified as works, expressions, manifestations, and items. The study's findings show that by assembling bibliographic records ...

In this paper, we discuss the implementation and performance of our developed bibliographic navigator with the text mining. We categorize the different attributes and extend the mining association algorithms and in order to provide more helpful rules. By our proposed algorithm, more interesting rules are derived from relationships between several categorized attributes in bibliographic database...

Bibster is a semantics-based Peer-to-Peer system for exchanging bibliographic data among researchers. Bibster exploits ontologies in data storage, query formulation, query routing and answer presentation. While the original Bibster system assumed a globally shared domain ontology, we here describe extensions to the Bibster system, that allow to learn personalized ontologies from the local bibli...