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Articles by Yi Wang
Total Records ( 3 ) for Yi Wang
  Bin He , Osamu Kaino , Yi Wang and Keiji Takase
  To analyze and evaluate the environmental self-purification function of river water, the chemical and hydro-meteorological data have been collected over the past 6 years in the Shigenobu river of Shikoku island, Japan. Generally, the problems of an adequate understanding and description of complex processes of pollutant circulation and water quality dynamics in rivers can be effectively solved by applying the water quality mathematical models. This approach allows taking into account, analyzing and ranking numerous interacting hydrological, meteorological and biological factors, impact of natural and anthropogenic sources of pollution. But in some cases the hydrological, meteorological and biological information are unavailable or incomplete. Thus this study presents the results of a study that examined the application of Artificial Neural Network (ANN) model to simulate the river chemical mass transport using the indicator of dissolved oxygen. Artificial Neural Network model is proved to behave well with the measured data. This study demonstrated that it was feasible to assemble and deploy ANN model to predict the dissolved oxygen under the condition of incomplete information.
  Ch. Muhammad Ishtiaq , Q. He , S. Feng , Yi Wang , P.G. Xiao and YiYu Cheng
  Distribution patterns of chemical compounds in plants have been used for biosystematic and phylogenetic studies. Saponin profile of twelve major taxa of Clematis genus, belonging to sections, Rectae, Clematis, Meclatis, Tubulosae and Viorna were analyzed by HPLC coupled with diode array detector and ESI-MS. The chemodiversity profile of saponins has unambiguously delimited the taxa of Clematis at subgenus, section and subsection level. The distribution of saponins in Clematis genus provides useful taxonomic markers and results are presented in phenograms. The compound Huzhangoside D was common and the most abundant in analyzed species of the genus. The morphological analysis was also conducted of the same taxa and presented as cluster tree. The distribution and chemotaxonomic importance of saponins profile within the genus is discussed.
  Ch. Muhammad Ishtiaq , Q. He , J.P. Huang , Yi Wang , P.G. Xiao and Yi Yu Cheng
  Since time immemorial, systematics has played significant role in every sphere of life. Biosystematics has evolved from folk taxonomy towards natural classification system and then culminated into homology based classification system. A good systematic approach is practical and predictive of phylogenetics of taxa incorporating different data. The morphological, chemical and molecular (genomics and proteomics) informations are used to explore the exact inter-relationship among the organisms. Proteomics is an essential and inevitable aspect in plant biology which can help in deciphering the functions of the genes that are or will be sequenced. Proteomics has proved to be a good tool in characterisation of individual lines and genetic distances among the genera, species, subspecies, verities and populations describing their phylogenetic inter-relationships. Two-dimensional electrophoresis (2-DE) is the major technique being applied for polypeptide characterization of each taxon for exploring phylogenetic or physiological relationships among organs, tissues or organisms. Moreover, proteomics can lead to unraveling the natural phenomena of plants development and their response to changing environment. These proteomic derived informations and their application in phylogenetic studies can be useful in agro-biotechnology development for better yield and safe use of food and medicines.
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