Magnolol and honokiol (98% purity) were acquired from New Natural Biotechnology (Shanghai, China). Phosphotungstic acid solution, sodium phosphate monobasic and potassium phosphate monobasic were purchased from Sigma-Aldrich (Madrid, Spain). N-octanol, acetonitrile, ethyl alcohol, and potassium chloride were obtained from VWR chemicals (Barcelona, Spain). Hydrochloric acid 37% and sodium hydroxide were purchased from Scharlab (Barcelona, Spain). Hydrogen peroxide 30% and boric acid were obtained from Merck (Barcelona, Spain). Phospholipon 90 G was provided by Lipoid GmbH (Ludwigshafen, Germany).
Hydrochloric acid 37
Manufactured by Scharlab
Sourced in Spain
Hydrochloric acid 37% is a clear, colorless, and highly corrosive liquid chemical solution. It is primarily composed of hydrogen chloride (HCl) dissolved in water. This product is commonly used in various industrial and laboratory applications that require a strong acid.
Automatically generated - may contain errors
Lab products found in correlation
Sodium hydroxide (naoh), by Scharlab (2 mentions)
Potassium chloride (kcl), by Avantor (1 mentions)
Acetonitrile, by Avantor (1 mentions)
Boric acid, by Merck Group (1 mentions)
Ethyl alcohol, by Avantor (1 mentions)
Hydrogen peroxide 30, by Merck Group (1 mentions)
Phosphotungstic acid solution, by Merck Group (1 mentions)
Sodium phosphate monobasic, by Merck Group (1 mentions)
Potassium phosphate monobasic, by Merck Group (1 mentions)
N octanol, by Avantor (1 mentions)
Phospholipon 90g, by Lipoid (1 mentions)
Hplc grade acetonitrile, by Scharlab (1 mentions)
Disodium hydrogen phosphate, by Scharlab (1 mentions)
Sodium dihydrogen phosphate, by Scharlab (1 mentions)
Potassium dihydrogen phosphate, by Scharlab (1 mentions)
Hydrogen peroxide, by Scharlab (1 mentions)
Glacial acetic acid, by Merck Group (1 mentions)
Citric acid monohydrate, by Merck Group (1 mentions)
Disodium phosphate, by Merck Group (1 mentions)
Lmw chitosan, by Merck Group (1 mentions)
5 protocols using hydrochloric acid 37
1
Magnolol and Honokiol Extraction Protocol
2
Quantitative Analysis of Methylprednisolone
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Methyl Prednisolone reference standard (MP), Methyl Prednisolone hemisuccinate reference standard (MPHS), and Methylprednisolone sodium succinate working standard (MPSS) was supplied by UP pharma (Assuit, Egypt). Acetonitrile HPLC-grade, disodium hydrogen phosphate, sodium dihydrogen phosphate, glacial acetic acid 99%, hydrochloric acid 37%, sodium hydroxide, and Hydrogen peroxide 30% (Scharlau, Spain). Water for injection (WFI) was used in the analysis and passed through a 0.45 μm nylon membrane filter before use. Phosphate solution (1) was prepared by weighing 1.6 g of disodium hydrogen phosphate in 1000 mL of WFI. Phosphate solution (2) was prepared by weighing about 0.3 g of sodium dihydrogen phosphate in 1000 mL of WFI.
3
Quantitative Analysis of Cefazolin Sodium
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Cfz sodium working standard was supplied as a gift sample from UP Pharma (Assuit, Egypt). ACNHPLC-grade, Potassium dihydrogen phosphate, Hydrochloric acid 37%, Sodium hydroxide, and Hydrogen peroxide 30% (Scharlau, Spain). Water for injection (WFI) was used in the analysis and passed through a 0.45 μm nylon membrane filter before use. Phosphate solution was prepared by weighing about 5.82 g of Potassium dihydrogen phosphate in 1000 mL of WFI.
4
Antimicrobial Chitosan-based Formulations
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Low molecular weight (LMW) chitosan (75 -85% deacetylation degree), glacial acetic acid and all aldehydes used in this work were provided by Sigma-Aldrich (Barcelona-Spain). Citric acid monohydrate, and disodium phosphate to carry out buffer medium at pH 7 and pH 4 was also purchased from Sigma-Aldrich (Barcelona-Spain). Hydrochloric acid 37%, ethanol 96%, di-phosphorus pentoxide and granulated sodium hydroxide of synthesis grade were supplied by Scharlab (Barcelona, Spain). Milli-Q water was obtained by Milli-Q Plus purification system (Millipore, Molsheim, France). Escherichia coli (CECT 434) and Listeria innocua (CECT 910) was supplied by the Spanish Type Culture Collection (CECT, Valencia, Spain) . The yeast Sacharomyces cerevisae var. ellipsoideys (NCYC 2959) was supplied by National Collection of Yeasts Cultures (NCYC). All culture medium employed were supplied by Scharlab (Barcelona, Spain).
5
DPPH Radical Scavenging and ACE Inhibition
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2, 2′-diphenyl-1-picrylhydrazyl (DPPH) and ACE enzyme (from rabbit lung) were obtained from Sigma Chemical Co. (St. Louis, MO, USA). Abz-Gly-p-nitro-phe-pro-OH trifluoroacetate salt used as substrate was purchased from Bachem AG. (Bubendorf, Switzerland). Microbial culture media were purchased from Sharlau (Barcelona, Spain).
Acetonitrile, hydrochloric acid 37%, and trifluoroacetic acid (TFA) were of HPLC grade (Scharlau). All other chemicals were of analytical grade (Scharlau).
Acetonitrile, hydrochloric acid 37%, and trifluoroacetic acid (TFA) were of HPLC grade (Scharlau). All other chemicals were of analytical grade (Scharlau).
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