• Science
    the Use of Gram Staining Introduction: The Gram staining of bacteria is a widely used method to identify unknown bacteria. The purpose of this method is to find out identities of unidentified bacteria. By using this tool we can group bacteria into two main groups: Gram-positive and Gram-negative. In...
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  • Lab Set
    Labset Two Worksheet 1. What is differential staining? How does it differ from simple staining? (2) Differential staining is a stain that is used to differentiate one area or cellular structure from another. It is also to differentiate a particular thing from another in a specimen. This is done...
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  • Bacterial Staining
    most part, is transparent. Staining the organisms makes them contrast in color with their surroundings, so they are more readily visible. Certain stains can also be used to identify internal structures of the cell, which would otherwise be unseen. Further, in order to use the oil immersion objective...
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  • Microbiology Practical
    Techniques Simple Stain- Uses 1 Stain 1. Acid Stains (- Charge)- Stains Background- Nigrosin, India Ink and Congo Red 2. Base Stains (+ Charge)- Stains Cell- Methylene Blue, Crystal Violet, Safranin Differential Staining Techniques- Any Staining Technique using 2 or more stains is differential. It...
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  • Gram Staining
    Biology Lab Gram Staining Lab Report Purpose The purpose of this lab was to experiment with a staining technique called Gram Staining. Gram Stains is used to identify and classify bacteria, it is a differential stain that allows you to classify bacteria as either gram-positive or gram-negative. The...
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  • Microbiology Study Giude 2
    Enzyme: Provide a surface on which reactions take place • Active site – area on enzyme surface where enzyme forms a loose association with substrate(s) • Substrate – substance on which enzyme acts • Properties of enzymes:In general, chemical reactions that release energy (exergonic reactions) do not...
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  • People
    Biology 302 Exam 2 Answer Sheet: must be submitted as a .doc or .docx file |Student’s Name: |S | Please place your answers in the following tables. Please use Capitol Letters. (1 point each) 1 |D |13 |D |25 |D |37...
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  • Biophysics Lab
    PSBPP103 Differential Gram’s staining EXPERIMENT NO. 1 AIM: THEORY: Page No: C1 Date: To Gram stain the given bacterial suspension and to differentiate between gram positive and gram negative organism. Visualization of microorganisms in the living state is very difficult, not just because they...
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  • Isolation of Pure Cultures by Dilution Techniques and Gram Staining Method
    Isolation of Pure Cultures by Dilution Techniques and Gram Staining Method Results Table 1. Gram stain reaction and cellular features of the culture. Gram staining methods were applied on the given mixture of Bacillus cereus, Escherichia coli and Staphylococcus aureus and then examined microscopically...
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  • Antimicrobial Activity of Soil- Research Proposal Abstract
    SOIL 2 ABSTRACT 2 LITERATURE REVIEW 3 AIM OF RESEARCH 4 OBJECTIVES OF STUDY 4 RESEARCH METHODOLOGY 4  METHOD(S) TO FACILITATE MICROBIAL IDENTIFICATION 5 Gram stain 5 Culturing 5  MATERIALS TO BE USED 5  ETHICAL CONSIDERATIONS 6  SAMPLE COLLECTION 6  SAMPLE ANALYSIS METHOD...
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  • Unknown Microbiology Lab Report
    UNKNOW BACTERIA LAB REPORT UNKNOWN 36 Introduction The purpose of this lab was to identify two unknown bacteria from a mixed culture. The reason for identification of unknown bacteria was to help students recognize different bacteria through different biochemical tests and characteristics. This...
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  • Meh meh meh
    extracts against S. aureus coagulase production. Specifically the researcher aims to achieve the following: 1. To identify herbal plants that have inhibitory effect against S. aureus coagulase production 2. To quantify the inhibitory effect of herbal plants on coagulase production in S. aureus 3. To...
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  • Nothing
    the specific epithet, coli, reminds us that E. coli live in the colon, large intestine. Both S. aureus and E. coli will be studied extensively this semester. Types of Microbes A.Bacteria (pl.)/ Bacterium (s.) unicellular prokaryote (prokaryote (pro=first; kary=nut, nucleus) – genetic material not enclosed...
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  • Unknown Lab Report
    epidermidis”, S. epidermidis is described as “gram-positive cocci bacteria that are part of the normal flora on the skin and nasal passages.” The article goes on to say that the species was originally named Staphylococcus Albus by microbiologist Rosenback in 1884. When viewed under a microscope S. epidermidis...
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  • Conceptual Approach
    |Exp. 3 – Petri dish, TSA, Yeast Mannitol Agar (YMA), Burk’s Media, N-Free Media (Solid), | | |Gram staining apparatus, Microscope. | | ...
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  • Unknown Paper
    physiological characteristics will be determined by performing a list of biochemical tests that pertain to each of the organisms. In addition to discovering what my unknown is, I need to fully understand the chemistry of the tests. I will cultivate the organisms and perform the tests to discover my unknown....
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  • Microbiology
    allowed to air dry; stain is then applied and slide is observed under microscope Stains Simple stain – aqueous or alcohol solution of a single basic dye Highlights the entire microorganism so that cellular shapes and basic structure can be observed Methylene blue Differential stains – react differently...
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  • Workshop 1
    Leeuwenhoek, Louis Pasteur, Robert Koch, Edward Jenner, Paul Ehrlich, Lister and Fleming. * Robert Hooke was an English scientist in the early 1660’s. He was the first person to use a microscope for academic study and he was also the first observations. * Antoine van Leeuwenhiek was introduced the...
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  • lab of microbiology
    opinion regarding Grams staining method and reliability of this method. According to me, Grams staining process is a simple technique that assists in recognition of etiological agent and therefore can be called as one of the most significant staining practices in microbiology. Though, Gram is concerned that...
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  • Mr Kunle Fadeyi
    bone abscess or a spongiform encephalopathy produced by a prion. Microbial culture[edit] Four nutrient agar plates growing colonies of common Gram negative bacteria. Microbiological culture is a principal tool used to diagnose infectious disease. In a microbial culture, a growth medium is provided...
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