4my0202.blogspot.com
Biopharmaceutics
21 Passage of drugs across biological barriers: Passive diffusion, active transport, facilitated diffusion and pinocytosis. 22 Factors influencing absorption: physico-chemical, physiological and pharmaceutical. 23 Drug distribution in the body. Plasma protein binding. TRANSPORT OF DRUG ACROSS BIOLOGICAL BARRIERS. STRUCTURE OF CELL MEMBRANE. Cell membranes are generally thin, approximately 70 to 100. Lipid bilayer or Unit membrane theory. Proposed by Davson and Danielli; 1952). According to this theory th...
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4my0303.blogspot.com
CAPSULES
Principles, materials and equipment involved in the formulation and filling of hard gelatin capsules and their quality requirements, layout of capsule section. Account of soft gelatin capsules. Capsules are solid dosage forms in which the drug substance is enclosed in either a hard or soft, soluble container or shell of a suitable form of gelatin. Advantages of capsule dosage forms. They obscure the taste and odour of unpleasant drugs. They are attractive in appearance. Capsules are not used for administ...
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COMMUNITY PHARMACY
Organization and structure of retail and wholesale drug store – types of drug stores and design, legal requirements for establishment, maintenance of drug store. Dispensing of proprietary products, maintenance of records of retail and wholesale, patient counseling, role of pharmacists in community health care and education. Patent or Proprietary Medicines. Schedule C and C1. It is a list of drugs given under The Drugs Rules. C : Biological products. C1: Other special products. Other than schedule Schedul...
4my0505.blogspot.com
CRYSTALLIZATION---NEW
Characteristics of crystals like – purity, size, shape, geometry, habit, forms. Factors affecting them. Solubility curves and calculations of yields. Material and heat balances around Swensen Walker Crystallizer. Supersaturation theory and its limitations. Nucleation mechanisms, crystal growth. Study of various types of crystallizers: Tanks, Agitated batch, Swensen Walker, Single vacuum, circulating magma and Krystal crystallizer. Caking of crystals and its prevention, numerical problems on yields. Ions ...
4my0606.blogspot.com
CONTINUOUS DISTILLATION WITH REFLUX (RECTIFICATION)
CONTINUOUS DISTILLATION WITH REFLUX (RECTIFICATION). CONTINUOUS DISTILLATION WITH REFLUX (RECTIFICATION). Has two miscible liquid components. If the boiling points of them are widely different. Then they can be separated easily by flash distillation. In that case the low boiling point liquid will be evaporated quickly leaving the high boiling point liquid in the distillation apparatus. If their boiling points are very close. CONTINUOUS FRACTIONATING COLUMN WITH RECTIFYING AND STRIPPING SECTIONS. Because ...
