Sorption of sulfamethazine (SMN) and sulfathiazole (STZ) was investigated in three soils, a North Carolina loamy sand, an Iowa sandy loam, and a Missouri loam, under various pH conditions. A significant increase in the sorption coefficient (KD) was observed in all three soils, as the sulfonamides converted from an anionic form at higher pH to a neutral/cationic form at lower pH. Above pH 7.5, s...

The uptake and release of sorbates into films and coatings is typically accompanied by changes of the films' refractive index and thickness. We provide a comprehensive model to calculate the concentration of the sorbate from the average refractive index and the film thickness, and validate the model experimentally. The mass fraction of the analyte partitioned into a film is described quantitati...

Aim. To develop the composition and laboratory technology of a therapeutic preventive mouthwash based on plant active ingredient study number its quality indicators. Materials methods. When developing drug, pharmaceutical ingredients (APIs) excipients approved for medical use widely used in practice were selected. The information-search, information-analytical, organoleptic, physicochemical, ph...

Previous studies have shown that the clove essential oil concentration of 200 mg/kg did not present toxicity and histopathological changes in liver. Based on evidence presented this study, we decided to evaluate vivo ability a previously developed fermented dairy beverage, tested only vitro, which standard chemical preservative, potassium sorbate, was replaced by (2 μl/ml), be functional food. ...

In the current study, piezosensors based on molecularly imprinted polyimides with imprints of potassium sorbate and sodium benzoate were obtained. Molecularly Imprinted Polymers (MIPs) synthesized using a polyimide non-covalent imprinting technique. It was established that use 0.1 g/mL template concentration at thermochemical stage led to formation maximum number molecular film surface. Using s...

Purpose: To evaluate the effects of herbal-based toothpastes with different contents on viability L929 cells.Methods: Herbal-based {Aloe vera - propolis herbal toothpaste, Group 1; Parodontax, 2; Toothpaste miswak, and tea tree extract, 3, Dent natural protective toothpaste clay, 4; Gano fresh, 5} were diluted (1:1, 1:2, 1:4, 1:8, 1:16, 1:32) in Dulbecco’s modified Eagle’s medium. fibroblast ce...

Tofu is a food product that easily contaminated by microbial due to its water content. Some bacteria usually grow in tofu are Escherichia coli, Bacillus cereus, or Staphylococcus aureus. Preservatives added solve the common storage problem. However, some manufacturers use hazardous substances, such as formalin other chemical preservative. Tiwai onion (Sisyrinchium palmifolium L.) plant grows Bo...

Chemical additives have been widely used to restrain the growth of undesirable microorganisms, and they were ideal well preserve silages. The work aimed at evaluating effects four chemical on fermentation quality, aerobic stability in vitro ruminal digestibility fermented total mixed ration (FTMR). TMR was treated with: (1) no additive (control); (2) sodium diacetate; (3) calcium propionate; (4...