Gram staining Essays

  • Gram Staining Lab Report

    818 Words  | 4 Pages

    Christian Gram created the Gram stain technique in 1884 (K. Rudolph [Clemson University, Clemson, SC], personal communication). Gram used tissue in his first attempt with staining (1). The staining of the organisms allowed for the viewing of structure and determining those components by the viewing of the color that appeared after staining the organism (2). The purpose of this experiment was to identify the organism as gram-positive or gram-negative. The first step in the gram staining procedure

  • Biosurfactant Lab Report

    1456 Words  | 6 Pages

    laboratory for analysis via sterile polythene bag. At the time of sample collection, the temperature and pH of the soil sample was 30℃ and 7 respectively. Collection of bacteria from the sample and its isolation In 50ml of R2B broth, the soil sample of 5 gram inoculated and incubated at 25℃ for 72 hours. After incubation, serial dilution of the medium taken place from 〖10〗^(-1) to 〖10〗^(-6) in sterile

  • Microbiology: A Career As A Microbiologist

    997 Words  | 4 Pages

    The career I have chosen is a microbiologist, some of the main characteristics of the job are working with research teams, and other scientists and technicians. Studying microorganisms like bacteria, viruses, algae, fungi, and several other parasites. They do their work, and studies to learn, or figure out how these organisms live, grow, and interact with their environments. Planning, and conducting complex research projects, you can develop new drugs to combat infectious diseases, and any infection

  • Pathogenic Bacteria Lab Report

    1620 Words  | 7 Pages

    INTRODUCTION Bacterial diseases is any type of disease caused by bacteria. Bacteria 's are a kind of microorganism, which are tiny forms of life that cannot see by easy only be seen with a microscope. The bacteria that cause disease are called pathogenic bacteria. Bacterial diseases happen when pathogenic bacteria inter the body and begin to reproduce and grow in tissues. Pathogenic bacteria may also emit toxins that damage the body. Common pathogenic bacteria and the types of bacterial diseases

  • Rhubarb Osmosis Lab Report

    1127 Words  | 5 Pages

    Part A: Osmosis practical task Aim: To observe the effects of osmosis in rhubarb cells. Hypothesis: Water will be extracted out of the cells in the salt solution causing the cells to look different to the cells in the freshwater solution. Materials: Rhubarb Distilled water in a dropping bottle Salt solution in a dropping bottle Microscope, slides, and coverslips Forceps and razor blades or scalpel Paper Towel Method: Clean and dry a slide and coverslip. Obtain a small sample of the red epidermal

  • Salmonella Lab Report

    1591 Words  | 7 Pages

    enumerating Salmonella spp. in a food sample. 1.2 Hypothesis To achieve a negative results in food sample with the absence of Salmonella spp. 1.3 Introduction The genus Salmonella belong in the family of Enterobacteriaceae is a group of rod-shaped, Gram-negative, and facultative anaerobic bacteria, which grow with or without oxygen. It is also a non-spore forming and a motile or non-motile bacterium with exception of S.gallinarum and S.pullorum. The genus Salmonella consist of two species, S. enterica

  • Urine Tissue Lab Report

    832 Words  | 4 Pages

    Name : Terry-Ann Poorman Id# : 27120454 Lab# : 1 Lab Instructor: Mrs. Bryan Title : Aim : Discussion Questions: 1) What are the types of urine specimens? Random specimen This type of specimen is used for microscopic and chemical analysis. As the name suggest this sample can be a randomly collected specimen and at an unspecified times. This is often more convenient for the patient. A random specimen is suitable for most screening purposes. Random specimens can at times give an inaccurate view of

  • Bacillus Lab Report

    1040 Words  | 5 Pages

    coli sp. and Staphylococcus sp. were prepared for the Negative staining. Placed the fixed smear on the staining rack and flooding with the crystal violet for 1 minute. By using the tab water, rinse the slide. After that, by using Lugol’s Iodine, cover the whole slide for 1 minute. The washing step were repeated. Using (95% v/v) alcohol

  • Oxygen Bearing Organic Compounds Lab Report

    1085 Words  | 5 Pages

    Study of Organic Compounds that Contain Oxygen Gutierrez⁺, Gomez, Granda, & Hernadez Department of Biology, College of Science University of Sto. Tomas, España Blvd., Manila Date Submitted: October 22, 2014 ABSTRACT: Administering Dichomate Test, Tollen’s Test, Lucas Test, DNPH Test, Hydroxamic Acid Test and Iodoform Test, the common oxygen bearing organic compounds and functional groups will be distinguished through this methodical experimentation. Utilizing the different reagents and techniques

  • Maladies Lab Report

    811 Words  | 4 Pages

    AMITY INSTITUTE oF MICRoBIAL TECHNoLoGY AMITY UNIVERSITY UTTAR PRADESH NTCC oN HANDS oN VARIoUS PATHoLoGICAL TEST Submitted to Dr. DEVENDRA KUMAR Amity Institute of Microbial Technology Guided By:DR.MoHAN MEHTA Submitted By -RISHIN GUPTA Enrolment. No. A0989216009 TABLE oF CoNTENT 1. Declaration by the student 2. Certificate by the faculty guide 3. Abstract 4. Intro 5. Experiments ABSTRACT Demonstrative testing in labs is of incredible esteem while evaluating a

  • Egyptian Wall Painting

    1175 Words  | 5 Pages

    animal glue, etc.) to achieve the adhesion between the particles and consequently to be applied as paint film on the dry ground. The pigment must be dispersed or grinded as evenly as possible in the binding medium to take full advantage of the properties of both the pigment and the binder.[8] The typical stratigraphic structure of the Egyptian wall paintings is usually made of multiple layers. The plastering procedure was to initially smooth an irregular rock surface with one or more of plaster layers

  • Essay On Isopods

    866 Words  | 4 Pages

    Abstract/Background: This experiment was to observe the interaction of Isopods with abiotic and biotic factors. The Isopods were found in a garden and brought in the the lab. In the lab, each group of students pick a control variable and a dependent variable. Problem: In this experiment, Isopods will be observed to see if paper saturated with the color blue is preferred over paper that is saturated with the color green. Hypothesis: The Isopods will prefer the paper saturated with the color

  • Microscope Lab Report

    1334 Words  | 6 Pages

    BCAS Campus The Microscope Laboratory Techniques Randika 7/14/2015   Table of Contents Introduction of Microscope 3 How to Use a Light Microscope 4 How to Focus Microscope 5 How to Clean Microscope 6 How to Maintain Microscope 6 How to Change Powers of Microscope 7 Introduction of Microscope "Micro" refers to tiny, "scope" refers to view or look at. Microscopes are tools used to enlarge small objects so as they can be studied. Microscopes range from a simple magnifying

  • Cheek Cell Reflection

    1387 Words  | 6 Pages

    CHEEK CELL PREPARATION AND OBSERVATION BY FLUORESCENCE MICROSCOPY TECHNIQUE UMMI MASYITAH BINTI ABDUL RAZAK School of Biological Sciences, Faculty of Applied Science, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia *E-mail: ABSTRACT The general structure of the human cheek cell is observed by fluorescence microscope. Cheek cells are animal cells and can be obtained by scraping the lining of the mouth by using the toothpick. Samples have been stained with

  • Biochemical Test Lab Report

    1371 Words  | 6 Pages

    enzymes and ability to utilize a particular compound help them to be identified by the biochemical tests. Gram’s stain was originally devised by histologist Hans Christian Gram in 1884. Gram-positive bacteria stain purple, while Gram-negative bacteria stain pink when subjected to Gram staining. Approximately 60-90% of the Gram-positive bacterial cell wall is made up of peptidoglycan and interwoven teichoic acid, while only

  • Ink From The Ink Lab Report

    1217 Words  | 5 Pages

    allowed to dry. Then, the smear must be heat fixed by exposing it to flame for few times until it got fixed. It is to prevent the cell from washing away during the staining and washing process. Then, it is air dried and followed by fixing it with flame from Bunsen burner. After fixing the smear, it must be stained using Gram staining solution, firstly crystal violet solution was flood onto it, and allowed for 1 minute, then wash off with tap water. Then, flood the slide with iodine solution for 1

  • Orange Peels Experiment

    1593 Words  | 7 Pages

    2.2.5. Morphological characterization of selected strain: The selected strain was stained by Gram stain and Nigrosin stain to see its shape under microscope, also make motility test and another biochemical tests on vitek2c at Mabaret-alasafra lab. 2.2.6. Analysis of the orange peels: The orange peels were analyzed to determine its chemical composition. The orange peels were sent to the central lab of the faculty of agriculture, Alexandria University to make this analysis and according to Standard

  • Stingless Bee Propolis Lab Report

    1195 Words  | 5 Pages

    CHAPTER 3 Methods and Procedures This chapter presents the methodology and procedures used to determine the renal protective property of crude extract in stingless bee propolis. Research Methodology Experimental methods and techniques will be used for the determination of the renal protective property. Systematic procedures will be observed in the determination of the renal protective property of crude extract in stingless bee propolis. Chemical tests will be used to perform to determine present

  • Lab Report: Lab Reflection Of The Light Microscope

    2050 Words  | 9 Pages

    LAB REPORT ON MICROSCOPE Prepared by: Rumanah Rahman BS/15/10/24 Table of Contents Introduction 3 Objectives 4 The components of the microscope 5 The support system 5 The magnification system 5 The working distance 6 The Resolving power 6 Eye piece magnification 6 Illumination system 6 The light source 6 Mirror 6 Condenser 6 Diaphragm 7 Adjustment system 7 Cleaning of the microscope 7 Materials 7 Method 7 Maintenance and handling of the microscope 8 Maintenance 8 Handling of the microscope

  • Bacterial Growth Lab Report

    1360 Words  | 6 Pages

    Chapter 5 Bacterial Growth Micro-organisms such as bacteria can be grown in the laboratory if essential components required for their survival are present. The cat of growing bacteria in the lab is referred to as culture and the environment on to which the bacteria is grown is called culture medium. The essential ingredients required for bacterial growth include: o Carbon source o Nitrogen o Metal irons o Presence or absence of Oxygen o Optimal temperature o Optima pH o Moisture Forms of Media