30 l _. J unginger
28. Miiller-Goymann. C. C. and Frank. S. G. (1986). interactions oflidocaine and
lidocaine-HCI with the liquid crystal structure of topical preparations. Int. J.
Pharm. 29: 147» l 59.
29. Tiemessen. H. L. G. M. Boddé. H. E. van Mourik.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
1) The "T" state refers to the _.
A ) inactive conformation of the enzyme
B) form of the enzyme without the modulator bound at the regulatory
Biomedical Lab 3
Hypothesis: As the wavelength increases from 370 nm to 430 nm, the absorbance values for pnitrophenol at pH 10 will increase.
Data and Results:
Table 1 Absorbance values for p-nitrophenol at pH 10 at 370-
Heterogeneous versus Homogeneous Systems
Particle size less than 1 nm
Heterogeneous Pharmaceutical Systems
Particle size greater than 1 nm
Heterogeneous Dosage Forms
Types of Colloidal Systems
The classification is made on the basis of the
interaction between the particle molecules or
ions of the dispersed phase and the molecules
of the dispersion medium
ST. JOHN'S UNIVERSITY
COLLEGE OF PHARMACY AND HEALTH SCIENCES
QUEENS, NEW YORK 11439
Heterogeneous Pharmaceutical Systems - IPP 240
Fall Semester 2012
Course Credit: 3 Credits
Application of selected physico-chemical principles to hete