Application of pharmaceutical principles to drug dosage forms is illust rated when drug dosage forms are categorized according to their physical state, degree of heterogeneity, and chemical composition. The usual relevant states of matter are gases, liquids, and solids. Intermolecular forces of attraction are weakest in gases and strongest in solids. Conversions from one physical state to another can involve simply overcoming intermolecular forces of attraction by adding energy (heat) . Chemical composition can have a dramatic effect on physicochemical properties and behavior. For this reason, it is necessary to distinguish between polymers, or macromolecules, and more conventional ( i .e., smaller) molecules, or micromolecules.
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Wondering what are the principles of pharmaceutical, if you had red previous article but still don’t know the basic principals, below article will discuss about it.
Pharmaceutical principles are the under lying physicochemical principles that allow a drug to be incorporated into a pharmaceut ical dosage form (example: solution, capsule) . These principles apply whether the drug is
extemporaneously compounded by the pharmacist or manufactured for commercial distribution as a drug product.
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Within their practice, pharmacist required to perform or evaluate a variety of calculations. These calculations involve direct or inverse proportions. In dimensional analysis, dimensions are included with each number used in the calculation. Units common to the numerator and denominator may be canceled and the remaining units provide the units for the final answer . In approximation, each number used in the calculation is rounded to a single significant digit. Factors common to the numerator and denominator may be canceled and the answer to this approximation should be reasonably close to the final exact answer. These measurement are quite important since it missed a little could cause big trouble.
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The pharmaceutical industry develops, produces, and markets drugs licensed for use as medications. Pharmaceutical companies can deal in generic and/or brand medications. They are subject to a variety of laws and regulations regarding the patenting, testing and marketing of drugs.A drug, broadly speaking, is any substance that, when absorbed into the body of a living organism, alters normal bodily function.
There is no single, precise definition, as there are different meanings in drug control law, government regulations, medicine, and colloquial usage.
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