quellung


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Noun 1. quellung - the swelling of the capsule surrounding a microorganism after reaction with an antibody; the basis of certain tests for identifying microorganisms; "pneumococcus quellung"
biological process, organic process - a process occurring in living organisms
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References in periodicals archive ?
We determined serotype by using Neufeld's Quellung reaction and antimicrobial drug resistance by MIC testing, as previously described (10).
Invasive Pneumococcal Disease in Refugee Children, Germany
Confirmation and factor typing were performed by the capsular reaction test (Quellung reaction) using specific antisera (SSI).
Pneumococcal Nasopharyngeal Carriage in Young Healthy Children After Pneumococcal Conjugate Vaccine in Turkey
Serotyping was performed with the capsular Neufeld Quellung method using some common factor antisera provided by the SSI.
Serotype changes and antimicrobial nonsusceptibility rates of invasive and non-invasive Streptococcus pneumoniae isolates after implementation of 10-valent pneumococcal nontypeable Haemophilus influenzae protein D conjugate vaccine (PHiD-CV) in Bulgaria
(13) All isolates were confirmed again by multiplex PCR, (14) serogrouped/typed with Quellung antisera (at Christian Medical College and Hospital, Vellore, India) obtained from Statens Serum Institute (Copenhagen, Denmark).
Streptococcus pneumoniae serotype prevalence and antibiotic resistance among young children with invasive pneumococcal disease: experience from a tertiary care center in South India
Serotype identification is performed by the Quellung capsular swelling method.
Forecasting Trends in Invasive Pneumococcal Disease among Elderly Adults in Quebec
All pneumococcal isolates that exhibited a positive Quellung reaction using commercial type specific antisera obtained from Statens Serum Institute, Copenhagen, Denmark, were assigned a serotype designation.
Invasive Pneumococcal Disease: Still Lots to Learn and a Need for Standardized Data Collection Instruments
Serogrouping: Serogrouping was performed for the viable isolates by: latex agglutination and the Neufeld quellung reaction.
Pneumococcal carriage rate in children and their antimicrobial susceptibility patterns in an urban set up
Serotyping was performed by the Quellung reaction using pool, group, type and factor commercial antisera (SSI Diagnostica; Statens Serum Institute, Copenhagen, Denmark).
The epidemiology of invasive pneumococcal disease in British Columbia following implementation of an infant immunization program: increases in herd immunity and replacement disease
Serotyping was performed in a reference lab (Soroka University Medical Center, Beer-Sheva, Israel) by capsular swelling observed microscopically (Quellung reaction) after suspension in type-specific antisera.
Enfermedades neumococicas invasoras en ninos hospitalizados en Lima, Peru