'Gram ve' diaporamas de présentation

DISINFECTIONS

DISINFECTIONS Disinfection is the killing of infectious agents out the body by direct exposure to physical or chemical agent s. DISINFECTANT.

3.83k views • 352 slides

Microbes Overview

Microbes Overview. Course content. Prokaryotes Archaea Bacteria Eukaryotes (microbial Protists) Fungi Algae Protozoa Viruses. Introduction. Taxonomy is the science of the classification of organisms , with the goal of showing relationships among organisms.

1.15k views • 79 slides

Bacterial Pathogens

857 views • 64 slides

CLASSIFICATION OF LIVING ORGANISMS

646 views • 46 slides

SULFONAMIDES

SULFONAMIDES. First effective chemotherapeutic agent. Chemistry. Structural analogue of PABA . Sulfonamides are with diff. chemical, physical, pharmacological and anti bacterial properties.

1.01k views • 43 slides

PENICILLINS

PENICILLINS. Chapter 19. INTRODUCTION TO PENICILLINS. Antibacterial agents which inhibit bacterial cell wall synthesis Discovered by Fleming from a fungal colony (1928) Shown to be non toxic and antibacterial Isolated and purified by Florey and Chain (1938)

1.1k views • 41 slides

Immunosuppression and Infections in patients with Neoplasia

Immunosuppression and Infections in patients with Neoplasia. Ioannis Chatzinikolaou MD, PhD Medical Oncologist Collaborating R esearch Fellow The University of Crete Heraklion, Greece. Infectious Complications in Patients with Neoplasia. Predisposing Factors

571 views • 39 slides

Introduction to Microbiology

Introduction to Microbiology. H. GEE. MD, FRCOG Hon. Assoc. Clinical Professor University of Warwick. Peter Gayo Munthali Consultant Microbiologist UHCW. What is Microbiology. The study of micro-organisms Bacteria (Bacteriology) Viruses (Virology) Parasites (Parasitology)

1.29k views • 37 slides

Allied Health Sciences

Allied Health Sciences. Sample Slides. Dr. B. A. Joshi, M.D.(Med) D.Ped. M.B.

521 views • 35 slides

Anaerobes and Mycobacteria

Anaerobes and Mycobacteria. Karen Ross PhD rossx007@umn.edu 2007. Objectives. Review basic biology of select pathogens Epidemiology Pathogenesis Clinical findings Diagnosis Treatment and prevention. Electron Transport Chain - Generation of ATP.

528 views • 33 slides

Quinolones , folic acid antagonists and urinary tract antiseptics

Quinolones , folic acid antagonists and urinary tract antiseptics. Drugs that inhibit bacterial DNA/RNA synthesis. Fluoroquinolones Ciprofloxacin Norfloxacin Ofloxacin Lomefloxacin Trovafloxacin Levofloxacin Sparfloxacin Gatifloxacin. Quinolones Nalidixic acid

1.12k views • 31 slides

Infective Endocarditis

Infective Endocarditis. Dr. Raid Jastania. Infective Endocarditis. Inflammation of the endocardium Common on heart valves Caused by infections: mostly bacteria Resulting in vegetations: thrombotic bebris and organism at the surface of the valve

769 views • 29 slides

Tetracyclines

Tetracyclines. Basic and Clinical Pharmacology Dr. J.M.Nguta, BVM, MSc, PhD, Pharmacol & Toxicol (UON). Notes available at: bvm2010@gmail.com. Description. Broad spectrum antibiotic Produced by Streptomyces genus of Actinobacteria Bacteriostatic (binds to 30S ribosomal subunit)

727 views • 29 slides

ANTIMICROBIAL RESISTANCE

ANTIMICROBIAL RESISTANCE. Prof. Khalifa Sifaw Ghenghesh. Each class of antimicrobial agent has a unique mode of action. Some antibiotics differ in their action on Gram+ve and Gram-ve bacteria due to the difference in the cell wall structure of such bacteria.

1.98k views • 26 slides

CEPHALOSPORINS

CEPHALOSPORINS. 1. Introduction. Antibacterial agents which inhibit bacterial cell wall synthesis Discovered from a fungal colony in Sardinian sewer water (1948) Cephalosporin C identified in 1961. Dihydrothiazine ring. b -Lactam ring. 7-Aminocephalosporinic acid (7-ACA).

1.48k views • 23 slides

Antibiotic

494 views • 22 slides

Beta lactams

Beta lactams. INHIBITORS OF CELL WALL SYNTHESIS. Natural: Pencillinase Resistant: (Anti staph ) Benzyl pencillin (G) k+ Na+ 1) oxcillin Procaine pencillin (G) 2) Nafcillin Benzathine pencillin (G) 3) Cloxacillin

348 views • 19 slides

??? ???? ?????? ??????

??? ???? ?????? ??????. GENUS: CORYNEBACTERIUM Prof. Khalifa Sifaw Ghenghesh. Diptheroides = Coryneforms Gram +ve, Nonmotile Rods. Arranged in V forms or Palisades Catalase +ve. 1. Corynebacterium diphtheriae. Diphtheria. Pleomorphic Bacilli Cells Contain Metachromatic Granules.

322 views • 16 slides

Resistance to antimicrobial agents

Resistance to antimicrobial agents. Resistance to antimicrobial agents. Resistance to antimicrobial agents. Innate resistance (insensitivity) Phenotypic adaptation Mutation Antibiotic resistance genes Inactivation of antibiotic Active efflux of antibiotic Alteration of target site

609 views • 14 slides

Natural stain : too expensive. Synthetic stain :

Staining: Bacteria are too small, colorless( Transperant ).Therefore they must be stained to study :morphology, size, shape, arrangment of microorganisms. Types of bacterial stain ( origin) :. Natural stain : too expensive. Synthetic stain :

627 views • 11 slides