نتایج جستجو برای: rod and ring particles

تعداد نتایج: 16877702  

Journal: :physical chemistry research 0
majid farahmandjou department of physics, varamin pishva branch, islamis azad university, varamin, iran sarvin honarbakhsh saeid behrouzinia

cobalt ferrite (cofe2o4) nanorods were synthesized by iron chloride (fecl3.6h2o) and cobalt sulfate hexahydrate (coso4.7h2o) as precursor in the presence of ethylene glycol agent and poly vinyl pyrrolidone (pvp) surfactant. the samples were characterized to identify the physical properties. xrd pattern of cobalt ferrite samples showed the structure of body center cubic (bcc) structure. the diam...

سائری, محمدرضا , نیلفروشان, محمدرضا ,

Hydroxyapatite (HA), which is represented by the formula Ca10(PO4)6(OH)2, is one of the inorganic components of the hard tissues of living bodies such as bones, teeth, etc. HA is a calcium phosphate-based bioceramic, which has been used in medicine and dentistry for more than 20 years because of its excellent biocompatibility with human tissues. The precipitation process, considered here, ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1972
T Ono H Inoue Y Okada

In vitro assembly of tobacco mosaic virus (TMV) from its constituent RNA and protein occurs in two steps: formation of the initial complex by interaction of the 5'-end of TMV-RNA with 20S protein aggregate, and growth of the helical rod by sequential addition of protein subunits.Such a process was also observed in the assembly of cucumber green mottle mosaic virus, which is also a rodshaped vir...

Journal: :Chemical communications 2009
Won Cho Yun Hee Lee Hee Jung Lee Moonhyun Oh

Non-hollow In(2)O(3) particles with hexagonal rod- and disk-shapes are generated from the calcination of porous CPPs; however, elongated hexagon-, ellipsoid-, and rod-shaped hollow In(2)O(3) particles are formed from the calcination of non-porous CPPs.

Journal: :The Journal of Cell Biology 1983
M H Ellisman J A Miller W S Agnew

The appearance of detergent-solubilized voltage-regulated sodium channel protein was recently characterized by this laboratory. Negative-staining revealed rod-shaped particles measuring 40 X 170 A. Further studies have suggested that the actual configuration of this protein may be quite different from the rod-shaped structures. Freeze-fracture and freeze-etch images of the protein in reconstitu...

In this study, we reported a method to associate doxorubicin drug on folic acid functionalized SiO2/ZnO nanoparticles (NPs) in rod and spherical shapes. The clinical usage of the anticancer drug, doxorubicin (DOX), is limited by severe side effects and cell resistance. Targeted drug delivery by binding DOX to nanoparticles could overcome these limitations. The surface functionalization of the Z...

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