Paper Information

Journal:   JOURNAL OF SCIENCE (UNIVERSITY OF TEHRAN) (JSUT)   SPRING 2006 , Volume 32 , Number 1 (SECTION: BIOLOGY 1); Page(s) 27 To 32.
 
Paper: 

ABSORPTION OF AU BY POLYSACCHARIDES EXTRACTED FROM TOBACCO (NICOTIANA TABACUM L. CV. BURLEY 21) CELL WALLS IN VITRO

 
 
Author(s):  RAJABI R., GHANATI F.*, AFSHAR NADERI A., NADERIMANESH H., KHORAMISHAD KH.
 
* TARBIAT MODARRES UNIVERSITY, FACULTY OF MEDICAL SCIENCE, TEHRAN, IRAN
 
Abstract: 

In recent years, plants and biomolecules have been used in order to remove heavy metals from environment as an inexpensive and environmentally friendly method. In this research, cell wall matrix polysaccharide and its components, i.e. cellulose, pectin, hemicellulose A and hemicellulose B were separated and purified. The matrix and its polysaccharide components were treated with aqueous solutions containing 100 ppb Au in acidic, almost neutral and basic pHs for two different periods. The results of GFAAS showed that wall matrix and its polysaccharide components absorbed Au in all treatments. In neutral and basic pHs, cellulose; and in acidic pH, hemicellulose A; absorbed the lowest amounts of Au, while hemicellulose B showed the highest Au absorption in all pHs, during 1 h treatment with Au solution. Except for hemicellulose B which its ability for Au absorption and retention reduced by the time, in case of other components the amounts of English Abstracts of Farsi Papers absorbed Au increased along with increase the time of the treatments.

 
Keyword(s): PHYTOREMEDIATION, TOBACCO CELLS, SOLIDIFIED LS MEDIA, WALL POLYSACCHARIDE MATRIX, CELLULOSE, PECTIN, HEMICELLULOSE A, HEMICELLULOSE B
 
References: 
  • ندارد
 
  Persian Abstract Yearly Visit 74
 
Latest on Blog
Enter SID Blog