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; Why isn't the oil immersion lens used in hanging drop procedure? ... the hanging drop procedure uses a thicker slide, which could crack if the oil immersion lens is used. My bio professor worte:...
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wiki.answers.com/Q/FAQ/3012-7
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Dear Dee, When I looked at latex spheres made in our Pathology department, I just dried a drop out of the suspension onto a polished graphite planchet. A glass cover slip is also a good substrate, if you are going to gold-coat anyway.
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www.microscopy.com/cgi-bin/ReadPrintEmailHTML.pl?filena...
www.microscopy.com/cgi-bin/ReadPrintEmailHTML.pl?filename=0111.txt
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Both wet mounts and hanging drop preparations can be used to observe living microbes. See pages 56, 57, & 64 in your text. ... Gram stain: Please review the background information related to Gram stain in your text. Use the following procedure to observe the samples available. ... Examine prep under oil with 100 X lens.
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www.goshen.edu/bio/Biol206/Biol206Labs/Lab2.html
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In compound microscopes, two or more sets of lenses are used. Total magnification is calculated by multiplying the magnification of the objective lens by the magnification of the ocular lens. ... Note: for best results, these slides should be viewed with the 100x oil immersion lens ... Place drop of water on clean slide ;
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www.bio.davidson.edu/people/dawessner/302/302Lab2.html
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1878 Ernst Abbe describes oil immersion lens ... It is often used with wet mounts and hanging drop slides. It will show motility of organisms and the internal cellular structures will appear as darker, contrasting structures. ... The microscope works by using a procedure called electron tunneling. A sample must conduct electrons...
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www.angelfire.com/de/nestsite/micro2a.html
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If too much Vaseline is used, it will be squeezed toward the center and mix with the drop or squeeze out the edges and get on the objective lens of the microscope. ... NOTE: The bacteria are still alive in a hanging drop slide. Slides made from possible pathogens should be soaked in lysol for 5-10 minutes with the...
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homepages.wmich.edu/~rossbach/bios312/LabProcedures/Han...
homepages.wmich.edu/~rossbach/bios312/LabProcedures/Hanging%20drop%20procedure.html
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The Gram-negative bacteria subsequently stain with the safranin dye, the counterstain, used next. These bacteria appear red under the oil-immersion lens, while Gram-positive bacteria appear blue or purple, reflecting the crystal violet ... The Gram stain procedure used for differentiating bacteria into two groups.
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www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Staining...
www.cliffsnotes.com/WileyCDA/CliffsReviewTopic/Staining-Techniques.topicArticleId-8524,articleId-8413.html
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2. Read Standard Operations Procedure (SOP). ... Clean objective lens with lens cleaner or xylol - never use alcohol on the lens. ... Stains and reagents are stored on shelf by windows along with hanging drop slides (do not discard), wash and return to container on shelf. Gram stains are located on raised shelf by your bench...
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www.umanitoba.ca/science/microbiology/staff/cameron/pdf...
www.umanitoba.ca/science/microbiology/staff/cameron/pdffiles/3470m07.pdf
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The conven-tional procedure uses a glass slide with a concave, central well – a ... Pupils observe a hanging drop preparation under the microscope. ... This requires the use of an oil immersion objective (although x 60 objectives are ... The feedback from this exercise is used to lead into the practical activities. ...
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www.ise5-14.org.uk/Prim3/New_Guidelines/SAPS/Microorg%2...
www.ise5-14.org.uk/Prim3/New_Guidelines/SAPS/Microorg%20Word%20V2/V2Teach%20guide%20Micro-org.doc
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