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2013 | 20 | 4 | 621-631

Article title

GOLD AND SILVER NANOPARTICLES IN Spirulina platensis BIOMASS FOR MEDICAL APPLICATION

Content

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Languages of publication

EN

Abstracts

EN
The synthesis of gold and silver nanoparticles by the blue-green algae Spirulina platensis for medical purposes was studied. A complex of optical and analytical methods was used in order to characterize produced nanoparticles. It was shown that the extracellular formation of metal nanoparticles of spherical shape with sizes in the range between 8 and 40 nm (the average size of 20-30 nm) takes place. The characteristics of gold and silver nanoparticles in the Spirulina biomass were compared. The role of biosorption processes in the synthesis of nanoparticles was estimated by using equilibrium dialysis. A positive influence of sonication on the process of microbial synthesis and yield of nanoparticles were demonstrated. The neutron activation analysis and the atomic absorption spectrometry were applied for characterizing the dynamics of gold and silver nanoparticles formation in the Spirulina platensis biomass. The neutron activation analysis was used for studying the elemental content of the Spirulina platensis biomass.
PL
Zbadano syntezę nanocząstek złota i srebra przez niebieskozielone glony Spirulina platensis, które są wykorzystywane do celów medycznych. Do scharakteryzowania wytworzonych nanocząstek zastosowano szereg metod optycznych i analitycznych. Wykazano, że zachodzi tworzenie pozakomórkowej, sferycznej nanocząstki o rozmiarach w zakresie od 8 do 40 nm (średnia wielkość 20-30 nm). Porównano charakterystyki nanocząstek złota i srebra wytworzonych w biomasie Spiruliny. Do oceny roli procesów biosorpcji w syntezie nanocząstek wykorzystano dializy równowagowe. Wykazano pozytywny wpływ ultradźwięków na procesy mikrobiologiczne i na wydajność syntezy nanocząstek. Do określenia dynamiki tworzenia nanocząsteczek złota i srebra w biomasie Spirulina platensis zastosowano neutronową analizę aktywacyjną i spektrometrię absorpcji atomowej. Stężenia pierwiastków w biomasie Spirulina platensis określono za pomocą neutronowej analizy aktywacyjnej

Publisher

Year

Volume

20

Issue

4

Pages

621-631

Physical description

Dates

published
1 - 12 - 2013
online
22 - 01 - 2014

Contributors

  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
  • Ilia State University, 3/5 K. Cholokashvili Ave., Tbilisi 0162, Georgia
  • Ilia State University, 3/5 K. Cholokashvili Ave., Tbilisi 0162, Georgia
  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
  • Joint Institute for Nuclear Research, 6 Joliot-Curie Str., 1419890, Dubna, Russia
  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
author
  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
author
  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
  • E. Andronikashvili Institute of Physics, I. Javakhishvili State University, 6 Tamarashvili Str., Tbilisi 0177, Georgia
  • Joint Institute for Nuclear Research, 6 Joliot-Curie Str., 1419890, Dubna, Russia
  • Joint Institute for Nuclear Research, 6 Joliot-Curie Str., 1419890, Dubna, Russia
  • The Institute of Chemistry of the ASM, 3 Academiei Str., 2028 Chisinau, Moldova
  • Joint Institute for Nuclear Research, 6 Joliot-Curie Str., 1419890, Dubna, Russia
  • Joint Institute for Nuclear Research, 6 Joliot-Curie Str., 1419890, Dubna, Russia

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_eces-2013-0043
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