PDF-STAINS STAINING

Faculty Dr Rakesh Sharda OBJECTIVES OF STAINING Improves visibiltiy by greater contrast between the organism and the background differentiate various morphological types by shape size arrangeme. HAEMATOXYLIN & EOSIN. . Supervised by : . Dr.Sherifa. . Prepared by: Reem Aldossari. Lama . Alabdi. H&E staining:. The best known and most widely used staining procedure, . hematoxylin. -eosin staining (H&E), uses . A stain is a substance that adheres to a cell, giving the cell color. .. The presence of color gives the cells significant contrast so are much more visible. . Different stains have different affinities for different organisms, or different parts of . Dr. Shiuli, Forensic Medicine & Toxicology, KGMU. Different stains having . Medicolegal. importance. Blood. Seminal fluid. Vaginal discharge. Saliva. Faecal. stain. Urine. Dr. Shiuli, Forensic Medicine & Toxicology, KGMU. By. Katie . Hypothesis . If I wash t-shirts with 1 tablespoon mustard stains in three types of liquid soap detergent ( tablespoon) hot (100), warm (75), and cold (50) water then I think Tide in hot water will work best because it is more expensive so the company put more cleaning supplies in it and hot water will dissolve the stain the best.. A stain is a substance that adheres to a cell, giving the cell color. .. The presence of color gives the cells significant contrast so are much more visible. . Different stains have different affinities for different organisms, or different parts of . 5 . Staining . Technique . Practical Of Histopathology. . El-. Hindi.M. . & . Abdelmoneim.A. . . . Objectives: . 1. Understand the . classification of Stains. . . 2. Understand . basic tissue staining methods . Lab #4 . Medgar Evers College. Bio 261 Microbiology. Prof. Santos. Aim #1 exercise 14. Capsular staining. Capsule- extracellular layer composed of polysaccharides found in some bacteria that plays a role in immunity and adhesion.. .. The presence of color gives the cells significant contrast so are much more visible. . Different stains have different affinities for different organisms, or different parts of . organisms. They are used to differentiate different types of organisms or to view specific parts of organisms. Staining. Coloring organism with a dye. Microorganisms must be . FIXED. to microscopic slide first. Kills microbe. Attaches organism to the slide. Preserves various parts with minimal distortion. Steps to fix:. A.L. Noor Ameer . The reasons of staining. 1- To study their shapes . 2- . To differentiate the species of bacteria by using differential . stain.. 3- . To study the internal components of the bacterial . تقنية الأجهزة . الكيموحيوية. . The microscope magnifies . the . images of objects that are invisible to the unaided human eye.. What is the Microscope ?. History of microscope. tissues, cells, cell components, cell contents, or microorganisms.. *The stain may be . natural or synthetic. . . *The object stained is called the . substrate. . . *Staining facilitates the observation of a substrate by introducing . This. procedure is called . so,when. certain bacteria or some of their . structures could not be stained or seen or being differential with other bacteria cells when using the ordinary . staining,such. Bacterial Smear Preparation. It is a preparation that includes a . small amount of biological sample or culture . spread. . in a very thin film on the surface of the slide. . . Smear preparation is a step before staining..