The bacteria growth was assessed visually by colony counting and bacterial morphology positive samples were selected and bacteria gram stain was performed the morphology of bacteria was observed and captured by a nikon e200 microscope system table 1 sample information for the experiment brand name. View lab report - micro lab report 1 from micro 3050 at clemson lab 1: the gram stain china moore instructor: nattasha vinas microbiology 3051 sec 8 february 3, 2015 this report represents my. Medical microbiology experiment 1 wang yuyan bacterial stain living bacteria stain killed bacteria stain positive staining negative staining common stain single-dye stain special stain complex stain endospore stain capsule stain gram stain cell wall stain acid fast stain methods for staining bacteria. A lab report under the subject of microbiology done as a lab session in josai university, japan during a twinning program on 2014 created by: annisa hayatunn. Gram positive bacilli that are pleomorphic, club shaped, or irregularly staining or that have palisading and/or angular arrangements (v and l shapes) branching or cellular extensions recording observations each laboratory must have sops (standard operating procedures) for reporting.
A gram stain is a lab test used to detect bacteria or fungi in a sample taken from the site of a suspected infection it gives relatively quick, preliminary results as to whether microbes are present and, if so, the general type(s) causing an infection. Introduction gram staining is the most essential and universally used staining technique in bacteriology laboratory gram-staining was firstly introduced by cristian gram in 1883this method is used to distinguish between gram positive and gram-negative bacteria which have consistent differences in their cell walls. Gram stain is one of the most common staining procedures it is one of the differential stains used to characterize bacteria as either gram positive bacteria or gram negative bacteria.
Gram staining method, the most important procedure in microbiology, was developed by danish physician hans christian gram in 1884 gram staining is still the an urethral smear report might read: 'moderate numbers gram negative intracellular diplococci and many pus cells' quality control: always. Microbiology lab report : 1- introduction (gram staining) 2-requirements ( reagents) 3-method 4-observations college of medicine al-imam mohammad bin saud. The gram stain & isolation streak plate lab materials include: lab exercise & report word documents laboratory powerpoints additional laboratory required readings videos and images related to the lab the purpose of isolation streak plate technique is to spread out bacteria so that individual colonies can be seen.
The gram stain, originally developed in 1884 by christian gram, is probably the most important procedure in all of microbiology it has to be one of the most repeated procedures done in any lab gram was actually using dyes on human cells, and found that bacteria preferentially bind some dyes the gram stain is a. For more information, visit http://wwwbio-radcom/yt/1/biotech-lab-textbook this video demonstrates the gram staining method for identifying unknown bacter. Student procedures purpose: is to determine the gram stain of your bacterial sample introduction: gram staining is a method commonly used to determine the chemical make up of the cell wall of bacteria the cell wall can stain either positive or negative, depending on its chemistry knowing the chemical make up makes it.
Lisa ta february 29, 2012 biology 240 general microbiology mw 3:45-5:00 gram stain report introduction the purpose of this experiment is to determine the shape and gram stain of the bacteria under a microscope the reason for staining bacteria is due to the fact that most bacteria are transparent and cannot be. Has your laboratory ever had difficulty correctly reporting out cerebrospinal and joint fluid gram stains during off hours this course helps provide training for technologists who must read gram stain but do not work primarily in the microbiology laboratory great for cross-training and for clinical laboratory science students as.