INVESTIGATION OF ANTIBACTERIAL ACTIVITY OF WASTE LIGNOCELLULOSIC MATERIALS DOPED WITH SILVER

University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria; TEMENUZHKA HR. MEHANDJIEV; TSVETELINA G. ANGELOVA; University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria; PAUNKA S. VASSILEVA; Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria; NELLY V. GEORGIEVA; University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria; ALBENA K. DETCHEVA; Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria; KATERINA I. ALEKSIEVA; Institute of Catalysis, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria; IVO V. VALCHEV; University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria; SANCHI K. NENKOVA; University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria; DIMITAR R. MEHANDJIEV; Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria

doi:10.35812/cellulosechemtechnol.2019.53.43

journal article·2019-06-28Open access

INVESTIGATION OF ANTIBACTERIAL ACTIVITY OF WASTE LIGNOCELLULOSIC MATERIALS DOPED WITH SILVER

University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria, TEMENUZHKA HR. MEHANDJIEV, TSVETELINA G. ANGELOVA, University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria, PAUNKA S. VASSILEVA, Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria, NELLY V. GEORGIEVA, University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria, ALBENA K. DETCHEVA, Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria, KATERINA I. ALEKSIEVA, Institute of Catalysis, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria, IVO V. VALCHEV, University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria, SANCHI K. NENKOVA, University of Chemical Technology and Metallurgy, 8 Kl. Ohridski Blvd., Sofia 1756, Bulgaria, DIMITAR R. MEHANDJIEV, Institute of General and Inorganic Chemistry, Bulgarian Academy of Sciences, Acad. Georgi Bontchev Str., Block 11, Sofia 1113, Bulgaria

Cellulose Chemistry and Technology· Volume 53· Issue 5-6

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Abstract

The antibacterial activity of samples prepared from waste lignocellulosic materials, namely wheat straw and maize stalks, doped with silver on their surface, was investigated. In order to use the various functional groups of these materials, Ag + was applied to the carrier by the adsorption method. EPR and SEM investigations demonstrated that Ag + ions were agglomerated into clusters of elemental silver on the carrier. The samples thus produced exhibited high antibacterial activity against gram-positive Bacillus subtilis strain 3563 and gram-negative Escherichia coli K12.

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OpenAlex topics: Nanoparticles: synthesis and applications · Graphene and Nanomaterials Applications · Nanotechnology research and applications

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