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Biology Of The Red Cell Iv V Tutorials

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Biology of the Red Cell IV & V﹕ Membrane and                     other cytoplasmic components
Biology of the Red Cell IV & V﹕ Membrane and other cytoplasmic components - We propose that membranes whose proteins and polar lipids are distributed asymmetrically in the two halves of the membrane bilayer can act as bilayer couples, i.e., the two halves can respond differently to a perturbation. This hypothesis is applied to the interactions of amphipathic drugs with human erythrocytes. It is proposed that anionic drugs intercalate mainly into the lipid in the exterior half of the bilayer, expand that layer relative to the cytoplasmic half, and thereby induce the cell to crenate, while permeable cationic drugs do the opposite and cause the cell to form cup-shapes. This differential distribution of the drugs is attributed to interactions with the phosphatidylserine that is concentrated in the cytoplasmic half of the membrane. Impermeable amphipathic drugs intercalate only into the exterior half of the bilayer, and therefore are crenators of the intact cell.
We propose that membranes whose proteins and polar lipids are distributed asymmetrically in the two halves of the membrane bilayer can act as bilayer couples, i.e., the two halves can respond differently to a perturbation. This hypothesis is applied to the interactions of amphipathic drugs with human erythrocytes. It is proposed that anionic drugs intercalate mainly into the lipid in the exterior half of the bilayer, expand that layer relative to the cytoplasmic half, and thereby induce the cell to crenate, while permeable cationic drugs do the opposite and cause the cell to form cup-shapes. This differential distribution of the drugs is attributed to interactions with the phosphatidylserine that is concentrated in the cytoplasmic half of the membrane. Impermeable amphipathic drugs intercalate only into the exterior half of the bilayer, and therefore are crenators of the intact cell.
| PowerPoint PPT presentation | online tutorial
host modulation and agents
host modulation and agents - Host modulation and agents in detail in periodontics aspect
Host modulation and agents in detail in periodontics aspect
| PowerPoint PPT presentation | online tutorial
Connective tissue in health and disease (1)
Connective tissue in health and disease (1) - The connective tissue of oral mucosa plays an important role in health and disease. This presentation will describe all the components of the connective tissue of oral mucosa and its function and importance.
The connective tissue of oral mucosa plays an important role in health and disease. This presentation will describe all the components of the connective tissue of oral mucosa and its function and importance.
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Dietary intervention
Dietary intervention - Food product specifically formulated to attain higher amount of nutrients or phytochemicals than would naturally occur in that food Combination of numerous ingredients to achieve a specific set of goals e.g. infant formula as designer food influencing immune system and development
Food product specifically formulated to attain higher amount of nutrients or phytochemicals than would naturally occur in that food Combination of numerous ingredients to achieve a specific set of goals e.g. infant formula as designer food influencing immune system and development
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Greengram pests (1)
Greengram pests (1) - Green gram major and minor pests, their local control, chemical and biocontrol, observations taken with rainfall data, and conclusion at the last.
Green gram major and minor pests, their local control, chemical and biocontrol, observations taken with rainfall data, and conclusion at the last.
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Diet and Nutrition
Diet and Nutrition - Complete presentation including all the vitamins, minerals, carbohydrates, proteins and fats required for the maintenance of oral and general health, their dietary sources, daily requirements, functions, effects, deficiency disorders, symptoms and treatment.
Complete presentation including all the vitamins, minerals, carbohydrates, proteins and fats required for the maintenance of oral and general health, their dietary sources, daily requirements, functions, effects, deficiency disorders, symptoms and treatment.
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Waste stabilization ponds
Waste stabilization ponds - deals with waste stabilization pond systems for sewage treatment. Includes process description, mechanisms of treatment, and design of anaerobic ponds, facultative ponds and maturation ponds.
deals with waste stabilization pond systems for sewage treatment. Includes process description, mechanisms of treatment, and design of anaerobic ponds, facultative ponds and maturation ponds.
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zinc
zinc - Inorganic materials – substances present in ash when food or any living organism cremated Oxygen, hydrogen, carbon and nitrogen excluded - these form organic compounds and not found in ash Building - Form part of skeleton and all soft tissues Hence, found in rigid body structures (bones) and soft body tissues (muscles) Regulatory function - associated with variety of systems: Heart beat Clotting of blood Maintenance of internal pressure of body fluids Nerve responses Transport of oxygen from lungs to tissues.
Inorganic materials – substances present in ash when food or any living organism cremated Oxygen, hydrogen, carbon and nitrogen excluded - these form organic compounds and not found in ash Building - Form part of skeleton and all soft tissues Hence, found in rigid body structures (bones) and soft body tissues (muscles) Regulatory function - associated with variety of systems: Heart beat Clotting of blood Maintenance of internal pressure of body fluids Nerve responses Transport of oxygen from lungs to tissues.
| PowerPoint PPT presentation | online tutorial
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