Two-phase partition profiling of drugs and ionisable compounds
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Cosmid B577, a member of the collection of ordered clones corresponding to the genome of Mycobacterium leprae, contains a gene, provisionally called pon1, that encodes an 821-amino-acid-residue high-molecular-mass class A penicillin-binding protein, provis ...
A FIA method has been developed and fully characterized for the simultaneous detection of ammonia and glutamine in culture media. Ammonia detection is based upon a chem. method and does not require an electrode. This species diffuses across a hydrophobic p ...
A Ca2+ sensor based on the admittance change of synthetic membranes supported on derivatized silicon electrodes is reported. The ion-sensitive membranes consist of mixed monolayers of phospholipid and the Ca2+-ligand ETH 1001. The electrodes are characteri ...
The smaller isoform of the GABA synthesizing enzyme glutamic acid decarboxylase, GAD65, is synthesized as a soluble protein that undergoes posttranslational modification(s) in the NH2-terminal region to become anchored to the membrane of small synaptic-lik ...
A review with many refs. Ammonia has been reported to be toxic and inhibitory for mammalian cell cultures for many years. Redn. of growth rates and maximal cell densities in batch cultures, changes in metabolic rates, perturbation of protein processing and ...
A new class of lipid mols. is synthesized, based on two dipalmitoylphosphatidic mols., each extended at the lipid phosphate by a hydrophilic spacer chain of ethoxy groups of variable length, which are then coupled as a bilipid via a terminal disulfide grou ...
A method for on-wafer fabrication of free-chlorine sensors is described. The sensor structure consists of a planar three-electrode electrochemical cell covered with a poly(hydroxyethyl methacrylate) hydrogel membrane. This membrane is photolithographically ...
The interaction of mitochondrial creatine kinase (Mi-CK; EC 2.7.3.2) with phospholipid monolayers and spread mitochondrial membranes at the air/water interface has been investigated. It appeared that Mi-CK penetrated into these monolayers as evidenced by a ...
Photoinduced electron transfer from Et(3)N to 7-oxabicyclo[2.2.1]heptan-2-ones can generate the corresponding 3-hydroxycyclohexanone derivatives. The method has been applied to the synthesis of C-alpha-D-galactopyranosides of carbapentopyranoses. Radical a ...
A pH method is described for the detn. of the wettability of membranes used in membrane distn. modules. The wettability factor that varies 0-1 is defined. With aq. EtOH, effects of dynamic overpressure and membrane stretching are shown to affect pore size ...
