Experimental mixed allergy to staphylococcal antigens in guinea pigs was treated by the intranasal administration of a staphylococcal allergen with a surfactant or glycerin added. The treatment was found to produce a hyposensitizing effect with respect to immediate and delayed hypersensitivity. The addition of glycerine enhanced this effect.
View Article and Find Full Text PDFThe substitution of ether oxygen by a methylene group in the acetylcholine molecule sharply decreases the muscarinic action, while the substitution of the carbonyl group by a methylene one reduces the nicotinic properties. Sebacoyldicholine possesses only nicotinic properties. The replacement of its ether oxygens by methylene groups lowers the stimulant action on the frog rectus abdominis muscle by two orders of magnitude, whereas the stimulant action on the cat sympathetic ganglion is 30-fold as decreased.
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