Crosslinked N, O-carboxymethyl chitosan resins which can selectively adsorb triglyceride, were prepared by the reaction of N, O- carboxymethyl chitosan with glutaraldehyde solution. Adsorption experiments were perform...Crosslinked N, O-carboxymethyl chitosan resins which can selectively adsorb triglyceride, were prepared by the reaction of N, O- carboxymethyl chitosan with glutaraldehyde solution. Adsorption experiments were performed by adding the resins to the serum. The results showed that this type of adsorbent could cut down the concentration of triglyceride in serum by 56. 4% (3. 35mg/gresin ) at most, while concentration of the total protein (TP ) decreased only by 10. 9% at least, so this novel adsorbent can be used to cure hypertriglyceridemia by hemoperfusion in the future.展开更多
Inorganic nanomaterials have a variety of fascinating properties and a wide range of promising applications.However,they often suffer from instability and poor processibility.To solve it,dendrimers,a special family of...Inorganic nanomaterials have a variety of fascinating properties and a wide range of promising applications.However,they often suffer from instability and poor processibility.To solve it,dendrimers,a special family of macromolecules having a unique three-dimensional architecture,provide one of the excellent solutions.In addition,the site-selective functionalization of the specific elements in the dendritic structure endows the nanohybrid system new functions and applications.Inspired by such ideas,a variety of dendrimer/inorganic nanomaterial composites have been designed and exploited.This review article selects a number of representative examples,and illustrates their preparation,characterization,properties,and applications.The influence and the unique features that originate from the introduced dendritic structures are particularly discussed.展开更多
In order to study the fitting of some characteristics like low diameter at breast height （DBH）, the height and height to the beginning of crown of the Oak species in two man-made and natural forests of this species ...In order to study the fitting of some characteristics like low diameter at breast height （DBH）, the height and height to the beginning of crown of the Oak species in two man-made and natural forests of this species in north of Guilan＇s forests, Tooshi and Radarposhte forests were selected. A 100% inventory was done on a one-hectare sample plot in Tooshi man-made forests and on a two-hectare sample plot in Radarposhte natural forests. The results from this study showed that, in order to fit the diameter and the height of the Oak trees in man-made stands, Johnson＇s SB and normal statistical distributions have more capabilities and the three-parameter gamma and the three- parameter Weibull distributions are appropriate for diameters and heights of the natural Oak trees in Radarposhte forest, respectively.展开更多
文摘Crosslinked N, O-carboxymethyl chitosan resins which can selectively adsorb triglyceride, were prepared by the reaction of N, O- carboxymethyl chitosan with glutaraldehyde solution. Adsorption experiments were performed by adding the resins to the serum. The results showed that this type of adsorbent could cut down the concentration of triglyceride in serum by 56. 4% (3. 35mg/gresin ) at most, while concentration of the total protein (TP ) decreased only by 10. 9% at least, so this novel adsorbent can be used to cure hypertriglyceridemia by hemoperfusion in the future.
基金supported by the National Natural Science Foundation of China (20974119,90922019,and 21074147)Chinese Academy of Sciences,and the Science and Technology Commission of Shanghai Municipality (09PJ1411700)
文摘Inorganic nanomaterials have a variety of fascinating properties and a wide range of promising applications.However,they often suffer from instability and poor processibility.To solve it,dendrimers,a special family of macromolecules having a unique three-dimensional architecture,provide one of the excellent solutions.In addition,the site-selective functionalization of the specific elements in the dendritic structure endows the nanohybrid system new functions and applications.Inspired by such ideas,a variety of dendrimer/inorganic nanomaterial composites have been designed and exploited.This review article selects a number of representative examples,and illustrates their preparation,characterization,properties,and applications.The influence and the unique features that originate from the introduced dendritic structures are particularly discussed.
文摘In order to study the fitting of some characteristics like low diameter at breast height （DBH）, the height and height to the beginning of crown of the Oak species in two man-made and natural forests of this species in north of Guilan＇s forests, Tooshi and Radarposhte forests were selected. A 100% inventory was done on a one-hectare sample plot in Tooshi man-made forests and on a two-hectare sample plot in Radarposhte natural forests. The results from this study showed that, in order to fit the diameter and the height of the Oak trees in man-made stands, Johnson＇s SB and normal statistical distributions have more capabilities and the three-parameter gamma and the three- parameter Weibull distributions are appropriate for diameters and heights of the natural Oak trees in Radarposhte forest, respectively.
