PMC:4632479 / 7762-8355 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/4632479","sourcedb":"PMC","sourceid":"4632479","source_url":"https://www.ncbi.nlm.nih.gov/pmc/4632479","text":"Materials\nTetracycline hydrochloride [C22H25N2O8Cl] (AR, 99 %), was provided from Sigma–Aldrich. Chemical properties of tetracycline hydrochloride are shown in Table 1 [2]. Sodium persulfate (Na2S2O8, 98 %) was provided from Sigma–Aldrich. All other chemicals were of analytical grade and were used without further purification. The water used in all experiments was purified by a Milli- Q system.\nTable 1 Chemical properties of tetracycline hydrochloride\nMolecule Formula Molecular weight (g/mol) Solubility (mol/L) pKa1 pKa2 pKa3\nTC C22H24O8N2.HCl 480.9 0.041 3.2 ± 0.3 7.78 ± 0.05 9.6 ± 0.3","divisions":[{"label":"title","span":{"begin":0,"end":9}},{"label":"label","span":{"begin":398,"end":405}},{"label":"caption","span":{"begin":406,"end":455}},{"label":"p","span":{"begin":406,"end":455}},{"label":"tr","span":{"begin":456,"end":531}},{"label":"th","span":{"begin":456,"end":464}},{"label":"th","span":{"begin":465,"end":472}},{"label":"th","span":{"begin":473,"end":497}},{"label":"th","span":{"begin":498,"end":516}},{"label":"th","span":{"begin":517,"end":521}},{"label":"th","span":{"begin":522,"end":526}},{"label":"th","span":{"begin":527,"end":531}},{"label":"td","span":{"begin":532,"end":534}},{"label":"td","span":{"begin":535,"end":549}},{"label":"td","span":{"begin":550,"end":555}},{"label":"td","span":{"begin":556,"end":561}},{"label":"td","span":{"begin":562,"end":571}},{"label":"td","span":{"begin":572,"end":583}}],"tracks":[]}