A new antidiabetic foot bacteria formula from marine chitosan nanosilver-metal complex

In more than two-thirds of the diabetic foot ulcer (DFUs) cases, lower limb amputation of foot ulceration is caused by the infection. The role of transition a metal complex as a therapeutic compound is becoming increasingly important. In vitro, four groups of antibiotics and one sulfa drug were test...

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Veröffentlicht in:Environmental science and pollution research international 2021-11, Vol.28 (43), p.60833-60841
Hauptverfasser: Ghonam, Hasnaa E-B., Abu Yousef, Morsy A., Gohar, Yousry M., Almeer, Rafa, Barakat, Khouloud M.
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container_issue 43
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container_title Environmental science and pollution research international
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creator Ghonam, Hasnaa E-B.
Abu Yousef, Morsy A.
Gohar, Yousry M.
Almeer, Rafa
Barakat, Khouloud M.
description In more than two-thirds of the diabetic foot ulcer (DFUs) cases, lower limb amputation of foot ulceration is caused by the infection. The role of transition a metal complex as a therapeutic compound is becoming increasingly important. In vitro, four groups of antibiotics and one sulfa drug were tested against diabetic foot resistant bacteria. Using three concentrations of two different prepared metal complexes: copper (Cu) and silver (Ag) — isoniazid (Iso) and nicotinamide (Nicot) were tested against diabetic foot isolates. Results revealed that β-lactam drugs (cephradine and piperacillin) showed the minimum averages of MIC 265 μg/ml against Gram-positive and Gram-negative isolates. Silver isoniazid (Iso-Ag-1) metal complex was selected depending on the maximum averages of MIC against both types of clinical isolates. The combination between β-lactams and Iso-Ag-1 showed maximum FICI averages of 0.24 for Gram-positive and 0.28 for Gram-negative. In addition, a combination between Iso-Ag-1 with squilla chitosan nanoparticles (CSSq-nAg) showed averages of synergistic index by 0.23 against Staphylococcus aureus and 0.13, 0.30, and 0.27 against E. coli , K. pneumoniae , and Ps. aeruginosa , respectively. Final formula of Iso-Ag-1+CSSq-nAg + β-lactams (cephradine and piperacillin) showed a synergistic effect at FICI = 0.044 and 0.047, against G+ve and –ve, respectively. These two combinations showed a slight toxicity against the water flea Daphnia magna by 3.49 and 3.6 ppm, respectively. Results suggest the use of Iso-Ag-1-CSSq-nAg as enhancing agent in combination with β-lactams as a blind therapy in pharmaceutical preparations.
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The role of transition a metal complex as a therapeutic compound is becoming increasingly important. In vitro, four groups of antibiotics and one sulfa drug were tested against diabetic foot resistant bacteria. Using three concentrations of two different prepared metal complexes: copper (Cu) and silver (Ag) — isoniazid (Iso) and nicotinamide (Nicot) were tested against diabetic foot isolates. Results revealed that β-lactam drugs (cephradine and piperacillin) showed the minimum averages of MIC 265 μg/ml against Gram-positive and Gram-negative isolates. Silver isoniazid (Iso-Ag-1) metal complex was selected depending on the maximum averages of MIC against both types of clinical isolates. The combination between β-lactams and Iso-Ag-1 showed maximum FICI averages of 0.24 for Gram-positive and 0.28 for Gram-negative. 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subjects Amides
Amputation
Antibiotics
Antidiabetics
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Bacteria
Cephradine
Chemical compounds
Chitosan
Clinical isolates
Coordination compounds
Copper
Diabetes
Diabetes mellitus
E coli
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Environmental science
Feet
Foot diseases
Isoniazid
Metal complexes
Metal concentrations
Minimum inhibitory concentration
Nanoparticles
Nicotinamide
Pharmacology
Piperacillin
Research Article
Silver
Synergistic effect
Toxicity
Waste Water Technology
Water Management
Water pollution
Water Pollution Control
β-Lactam antibiotics
title A new antidiabetic foot bacteria formula from marine chitosan nanosilver-metal complex
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