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Science Fair 2009 By: Corey Chung. Big Question!!! Which dosage form of medication has the best effect? I will be comparing traditional tablets, gel caps,

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Presentation on theme: "Science Fair 2009 By: Corey Chung. Big Question!!! Which dosage form of medication has the best effect? I will be comparing traditional tablets, gel caps,"— Presentation transcript:

1 Science Fair 2009 By: Corey Chung

2 Big Question!!! Which dosage form of medication has the best effect? I will be comparing traditional tablets, gel caps, and liquid.

3 Explanation 4 Big Question I was visiting a pharmacy and observed some pain medications in display. Although they were all the same medication (example: Tylenol) they were being sold as tablet, gel caps, and, liquid. I wondered why they were being sold as different dosage form instead of one form that works the best. I began to question which dosage form works the fastest.

4 Hypothesis The rate the drug gets absorbed into our blood stream determines how fast and effective a medication becomes. In order for medications to be absorbed, medications need to go into solution. This is called dissolution. A solution is a homogeneous mixture of two or more substances and can be liquid in liquid, or solid in liquid. How fast a medication goes into solution will be determining factor how fast and effective a medication will get absorbed and work.

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6 Interesting Facts From Research How fast a drug work in human body is determined by how fast the drug gets absorbed into the blood stream. How fast a drug gets absorbed into the blood stream is determined by how fast the drug goes into solution.

7 Experiment -Materials 3-240 ml glass flasks 2-Tylenol Extra Strength Tablets (1000 mg) 2-Tylenol Extra Strength Rapid Release gel capsules (1000 mg) 31 ml-Childrens Liquid Tylenol (1000 mg) 180 ml of vinegar (diluted acetic acid) Glass stirring rod Notebook Pencil Stopwatch

8 Procedures 1.Clean 3 glass flasks and stirring rod with soap and water and air dry. 2. Number 3 glass flasks 1-3. 3. Measure out 60ml of vinegar (acetic acid) in Flask #1 to represent stomach acidity. 4. Prepare notebook and stopwatch to measure dissolution rate. List three columns in notebook; Flask #1 (Tylenol Extra Strength Tablets). Flask #2 (Tylenol Extra Strength Release Gel Capsules), and Flask #3 (Childrens Liquid Tylenol). Under the same columns, list beginning time (represents the time when medication and acetic acid is mixed) and ending time (representing the time when medication completely dissolves into solution). 5.Place 2 Extra Strength Tylenol tablets into Flask #1 and start the stopwatch. Stir the solution with the glass stirring rod to represent the stomach motility. Stop the stopwatch when medication dissolves into solution record the time that medication took to go into solution into the notebook. Clean the glass stirring rod with soap and water and air dry.

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10 Getting Fired Up

11 Tylenol Extra strength tablets Time took to go into solution: 3:08 minutes

12 Tylenol Extra strength Rapid Release Gel Caps Time took to go into solution: 2:31 minutes

13 Tylenol Liquid Time took to go into solution: 0:23 minutes

14 Conclusion As hypothesized, liquid took the shortest time to go into solution (0:23 minutes), then the gelcaps (2:31 minutes), followed by tablets (3:08 minutes). The results conclude that the liquid will work the fastest, then the gelcaps, followed by tablets. Clinically, the time difference between different dosage forms are not that significant.

15 Reference Free Science Fair Project Ideas, Answers, & Tools for Serious Students; http://www.sciencebuddies.org/science-fair- projects/project_ideas.shtml?From=Tab Gennaro, Alfonso R. Remingtons Pharmaceutical Sciences 18 th Edition, Mack Publishing Company, Easton, Pennsylvania 1990 Shargel, Leon. Applied Biopharmaceutics and Pharmacokinetics 3 rd Edition, Appleton & Lange 1993 Martin, Alfred. Physical Pharmacy 3 rd Edition, Lea & Febiger 1983 Oral Administration of Medication http://medical- dictionary.thefreedictionary.com/oral+administration+of+medication


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