A Kaufmann et al.
Analytica chimica acta, 1107, 113-126 (2020-03-24)
Quadrupole based mass spectrometry based detection has experienced enormous improvements in terms of sensitivity over the last centuries. This development has not been equally matched with improvements in selectivity. Hence, the use of unit mass based MS/MS transitions or high...
Masamichi Yamanaka et al.
Journal of the American Chemical Society, 126(9), 2939-2943 (2004-03-05)
Resorcinarene 1b forms a hexameric assembly in water-saturated CDCl(3) that encapsulates one tetraalkylammonium salt (2(+)Br(-)). The remaining space is occupied by coencapsulated solvent molecules. A maximum of three and minimum of one CHCl(3) molecule were found inside of capsules with...
Y C Ho et al.
Digestive diseases and sciences, 33(4), 435-442 (1988-04-01)
Our purpose is to develop a standard method for preparing the bile for beta-glucuronidase determination by removal of bile acids and conjugated bilirubin which interfere with its activity. The bile acids and conjugated bilirubin in their purified solutions and in...
Huiyu Zhou et al.
Journal of pharmaceutical sciences, 91(6), 1502-1511 (2002-07-13)
Inhalation therapy for infectious lung diseases, such as tuberculosis, is currently being explored, with microspheres being used to target alveolar macrophages. One method of drug encapsulation into polymeric microspheres to form hydrophobic ion-paired (HIP) complexes, and then coprecipitate the complex...
A F Hofmann
Journal of lipid research, 8(1), 55-58 (1967-01-01)
Ethyl acetate or chloroform solutions of tetraheptylammonium chloride, an oil-soluble quaternary amine, quantitatively extract polar, anionic lipids such as steroid or bile salt conjugates from aqueous solution by a process of anion exchange.