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GRADING AGGLUTINATION
Tube and gel
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Tube grading Technique driven
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Gel Grading Consistent
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Agglutination viewer Gentle touch
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Gel Blood Type Reaction stays intact
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Slide grading Simply positive and negative
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Slide grading Time dependent
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Rouleaux
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Rouleaux Can be mistaken for agglutination
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Microscopic agglutination
Use to confirm weak reactions
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Grading is essential With antibody levels
Determine if the antigen is a homozygous or heterozygous allele Can determine next step in the antibody detection Use extensively in titers. This project was funded at $3,000,000 (100% of its total cost) from a grant awarded under the Trade Adjustment Assistance Community College and Career Training Grants, as implemented by the U.S. Department of Labor’s Employment and Training Administration. Rogue Community College is an equal opportunity employer/program. Auxiliary aids and services, alternate form and language services are available to individuals with disabilities and limited English proficiency free of cost upon request. This work is licensed under a Creative Commons Attribution 4.0 International License.
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