| Issue |
E3S Web Conf.
Volume 371, 2023
International Scientific Conference “Fundamental and Applied Scientific Research in the Development of Agriculture in the Far East” (AFE-2022)
|
|
|---|---|---|
| Article Number | 01038 | |
| Number of page(s) | 11 | |
| Section | Smart Farming and Precision Agriculture | |
| DOI | https://doi.org/10.1051/e3sconf/202337101038 | |
| Published online | 28 February 2023 | |
The characteristics of actinomyces strptomyces griseorubiginosus 83 – the effective biosorbent of silver
Academy of Sciences of the Republic of Uzbekistan, 100047 Tashkent, Uzbekistan
* Corresponding author: n.bekmukhamedova@yandex.ru
The bacteria bound about the same amount of silver at the time of inoculation and when added after 24 hours Fourier transform infrared spectroscopy (FT-IR) and measurements of the ζ- potential showed that several groups, mainly carboxy groups are involved in the binding and biotransformation of silver cations. Also, volatile organic compounds profiling for L. lactis, demonstrated the presence of many compounds in the free space of bacteria, which were typical products of bacterial metabolism. Finally, it can be stated that the combination of various instrumental methods used has opened up new possibilities for the interpretation of physicochemical phenomena occurring at the interface between bacteria-bacteria and bacteria-metals- bacteria. The ability of the biomass of cultures of various taxonomic groups to sorb metals is used both for purification of wastewater from metals and in the additional separation of valuable and environmentally significant metals from various wastes. In this work 48 strains of actinomycetes were isolated from various samples of desert soils of Uzbekistan under agricultural crops. As a result of screening, a strain of Streptomyces sp. 83, efficiently absorbs silver from solutions. The morphological-cultural and physiological-biochemical characteristics of the selected
© The Authors, published by EDP Sciences, 2023
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