Publications by authors named "N N Shkil'"

The growing resistance of bacteria to antibiotics is one of the main public health problems nowadays. The influence of silver nanoparticle (AgNP) pretreatment of 220 cows with mastitis on the susceptibility of bacteria to 31 antibiotics was studied. The obtained results were compared with the previous results for , , and .

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The aerosol inhalation delivery of composite particles consisting of Ag nanoparticles enveloped by polyvinylpyrrolidone was investigated in experiments with mice. An ultrasonic nebulizing system was created for the generation of aerosols with a mean diameter and mass concentration of 700 ± 50 nm and 65 ± 5 mg/m, respectively. The mass fraction of Ag in the composite particles was = 0.

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The increase in bacterial resistance to antibiotics is a global problem for public health. In our previous works, it was shown that the application of AgNPs in cow mastitis treatment increased and . susceptibility to 31 antibiotics due to a decrease in the bacterial efflux effect.

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The current work is a continuation of our studies focused on the application of nanoparticles of metallic silver (AgNPs) to address the global problem of antibiotic resistance. In vivo, fieldwork was carried out with 200 breeding cows with serous mastitis. Ex vivo analyses showed that after the cow was treated with an antibiotic-containing drug Dienomast, sensibility to 31 antibiotics decreased by 27.

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Article Synopsis
  • Researchers studied the inhalation delivery of ceftriaxone in mice using an ultrasonic nebulizer, focusing on particle sizes between 0.5-1.5 μm and mass concentrations of 0.01-0.6 μg/cm.
  • They measured ceftriaxone levels in the blood and lungs over time using high-performance liquid chromatography, with doses ranging from 3-5 mg/kg.
  • The treatment showed high antibacterial effectiveness, resulting in improved survival rates for mice infected with specific bacteria after receiving the ceftriaxone aerosol.
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