logging in or signing up Biological effects of radiation vinitgaure Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 501 Category: Science & Tech.. License: All Rights Reserved Like it (1) Dislike it (0) Added: February 26, 2011 This Presentation is Public Favorites: 0 Presentation Description MADE BY VINIT GAURE, BIOMEDICAL ENGINEER , NIT RAIPUR Comments Posting comment... By: laxmi_31 (4 month(s) ago) pleas i need this presentation please send it to my mail id anekolu.laxmi@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: 3hood (7 month(s) ago) great work Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Biological Effects of radiation: Biological Effects of radiation Made by Vinit gaure 8 th sem Biomedical Branch NIT RAIPURTopics: Topics INTRODUCTION CAUSES CELLULAR DAMAGE DIRECT EFFECT INDIRECT EFFECT RADIATION EFFECT HIGH DOSES EFFECT OTHER HIGH DOSES EFFECT ACUTE RADIATION SYNDROME LOW DOSE EFFECTS LOW DOSE EFFFECTS CATEGORIES GENETIC EFFECTS SOMATIC EFFECTS IN-UTERO EFFECT RADIATION RISKCAUSES: CAUSESCELLULAR DAMAGE: CELLULAR DAMAGE There are two mechanisms by which radiation ultimately affects cells. (1) Direct effect (2) Indirect effectDIRECT EFFECT: DIRECT EFFECTINDIRECT EFFECT: INDIRECT EFFECT When free radicals produced by the interaction of radiation with water molecules act on a vital molecule such as DNA, the damaging action of the ionisation radiation is indirect.RADIATION EFFECTS: RADIATION EFFECTS High doses Low dosesHIGH DOSES EFFECTS: HIGH DOSES EFFECTS Acute Kill many cells Tissue and organs are damaged Leads to whole body response called as acute radiation syndromeHIGH DOSES EFFECTS: HIGH DOSES EFFECTS RADIATION DOSE EFFECT OBSERVED 15-25 Blood count changes in a group of people 50 Blood count changes in an individual 100 vomiting 150 DeathOTHER HIGH DOSE EFFECTS: OTHER HIGH DOSE EFFECTS Skin Burns Hair Loss Sterility CataractsACUTE RADIATION SYNDROME: ACUTE RADIATION SYNDROME Hematopoietic Gastrointestinal Central Nervous SystemACUTE RADIATION SYNDROME: ACUTE RADIATION SYNDROME SYNDROME ORGANS AFFECTED SENSITIVITY Hematopoietic Blood forming organs Most sensitive Gastrointestinal Gastrointestinal system Very sensitive C.N.S. Brain and muscles Least sensitiveLOW DOSES EFFECT: LOW DOSES EFFECT Chronic Damage cell Long period of time Effect occurs at cellular levelLOW DOSE EFFECT CATEGORIES: LOW DOSE EFFECT CATEGORIES Genetic Somatic In- UteroGENETIC EFFECTS: GENETIC EFFECTS Mutation of the reproductive cells passed on to the offspring of the exposed individualSOMATIC EFFECTS: SOMATIC EFFECTS Effect is suffered by the individual exposed Primary consequence is cancerIN-UTERO EFFECTS: IN-UTERO EFFECTS Effects of radiation on embryo/ fetus Intrauterine Death Growth Retardation Developmental Abnormalities Childhood CancersIN-UTERO EFFECTS: IN-UTERO EFFECTS WEEKS POST CONCEPTION EFFECT 0-1( preimplantation ) Intrauterine death 2-7(organogenesis) Developmental abnormalities/growth retardation/cancer 8 - 40 ( fetal stage) Same as above with lower risk plus possible functional abnormalitiesRADIATION RISK: RADIATION RISK With any exposure to radiation, there is some riskRADIATION RISK: RADIATION RISK EFFECT EXCESS CASES PER 10,000 EXPOSED PER RADIATION Genetic 2-4 Somatic(cancer) 4-20 In- Utero (cancer) 4-12 In- Utero (all effects) 20-200 You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.
Biological effects of radiation vinitgaure Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: (To copy code, click on the text box) Embed: URL: Thumbnail: WordPress Embed Customize Embed The presentation is successfully added In Your Favorites. Views: 501 Category: Science & Tech.. License: All Rights Reserved Like it (1) Dislike it (0) Added: February 26, 2011 This Presentation is Public Favorites: 0 Presentation Description MADE BY VINIT GAURE, BIOMEDICAL ENGINEER , NIT RAIPUR Comments Posting comment... By: laxmi_31 (4 month(s) ago) pleas i need this presentation please send it to my mail id anekolu.laxmi@gmail.com Saving..... Post Reply Close Saving..... Edit Comment Close By: 3hood (7 month(s) ago) great work Saving..... Post Reply Close Saving..... Edit Comment Close Premium member Presentation Transcript Biological Effects of radiation: Biological Effects of radiation Made by Vinit gaure 8 th sem Biomedical Branch NIT RAIPURTopics: Topics INTRODUCTION CAUSES CELLULAR DAMAGE DIRECT EFFECT INDIRECT EFFECT RADIATION EFFECT HIGH DOSES EFFECT OTHER HIGH DOSES EFFECT ACUTE RADIATION SYNDROME LOW DOSE EFFECTS LOW DOSE EFFFECTS CATEGORIES GENETIC EFFECTS SOMATIC EFFECTS IN-UTERO EFFECT RADIATION RISKCAUSES: CAUSESCELLULAR DAMAGE: CELLULAR DAMAGE There are two mechanisms by which radiation ultimately affects cells. (1) Direct effect (2) Indirect effectDIRECT EFFECT: DIRECT EFFECTINDIRECT EFFECT: INDIRECT EFFECT When free radicals produced by the interaction of radiation with water molecules act on a vital molecule such as DNA, the damaging action of the ionisation radiation is indirect.RADIATION EFFECTS: RADIATION EFFECTS High doses Low dosesHIGH DOSES EFFECTS: HIGH DOSES EFFECTS Acute Kill many cells Tissue and organs are damaged Leads to whole body response called as acute radiation syndromeHIGH DOSES EFFECTS: HIGH DOSES EFFECTS RADIATION DOSE EFFECT OBSERVED 15-25 Blood count changes in a group of people 50 Blood count changes in an individual 100 vomiting 150 DeathOTHER HIGH DOSE EFFECTS: OTHER HIGH DOSE EFFECTS Skin Burns Hair Loss Sterility CataractsACUTE RADIATION SYNDROME: ACUTE RADIATION SYNDROME Hematopoietic Gastrointestinal Central Nervous SystemACUTE RADIATION SYNDROME: ACUTE RADIATION SYNDROME SYNDROME ORGANS AFFECTED SENSITIVITY Hematopoietic Blood forming organs Most sensitive Gastrointestinal Gastrointestinal system Very sensitive C.N.S. Brain and muscles Least sensitiveLOW DOSES EFFECT: LOW DOSES EFFECT Chronic Damage cell Long period of time Effect occurs at cellular levelLOW DOSE EFFECT CATEGORIES: LOW DOSE EFFECT CATEGORIES Genetic Somatic In- UteroGENETIC EFFECTS: GENETIC EFFECTS Mutation of the reproductive cells passed on to the offspring of the exposed individualSOMATIC EFFECTS: SOMATIC EFFECTS Effect is suffered by the individual exposed Primary consequence is cancerIN-UTERO EFFECTS: IN-UTERO EFFECTS Effects of radiation on embryo/ fetus Intrauterine Death Growth Retardation Developmental Abnormalities Childhood CancersIN-UTERO EFFECTS: IN-UTERO EFFECTS WEEKS POST CONCEPTION EFFECT 0-1( preimplantation ) Intrauterine death 2-7(organogenesis) Developmental abnormalities/growth retardation/cancer 8 - 40 ( fetal stage) Same as above with lower risk plus possible functional abnormalitiesRADIATION RISK: RADIATION RISK With any exposure to radiation, there is some riskRADIATION RISK: RADIATION RISK EFFECT EXCESS CASES PER 10,000 EXPOSED PER RADIATION Genetic 2-4 Somatic(cancer) 4-20 In- Utero (cancer) 4-12 In- Utero (all effects) 20-200