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Bärbel Christiansen

As seen in: The Journal of Hospital Infection
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Articles

Efficacy of five “sporicidal” surface disinfectants against Clostridioides difficile spores in suspension tests and 4-field tests

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By Stefanie Gemein, Robert Koch-Institut, Bärbel Christiansen, Ricarda Andrich
| The Journal of Hospital Infection Verified
Summary A sporicidal surface disinfection is recommended both for the outbreak and the endemic setting but a comparative evaluation on the efficacy of “sporicidal” surface disinfectants using suspension tests and 4-field tests has not been performed. We determined the efficacy of five “sporicidal” surface disinfectants (3 ready-to-use wipes [A, B, E], 2 concentrates [C, D]) based on peroxides or aldehydes against C. difficile spores.
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Interlaboratory reproducibility of a test method following 4-field test methodology to evaluate the susceptibility of Clostridium difficile spores

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By Stefanie Gemein, Jürgen Gebel, Katrin Steinhauer, Bärbel Christiansen
| The Journal of Hospital Infection Verified
To view the full text, please login as a subscribed user or purchase a subscription. Click here to view the full text on ScienceDirect. Figure 1 Schemata of the 4-field test. Test surface (20 x 50 cm) with 4 test fields (5 x 5 cm) and stipulated wiping route of the wiping cloth. a = 50 cm, b = 20 cm, c = 5 cm, d = 10 cm, e = 5 cm, dimensions of the unitary weight f x g at least 8.6 cm x 12.1 cm.
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Why volume matters - Implications of applied volume of alcohol-based disinfectants for infection prevention

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By Katrin Steinhauer, Hans-Joachim Rödger, Karin Teckemeyer, Bärbel Christiansen
| The Journal of Hospital Infection Verified
Publication HistoryPublished online: September 28, 2018Accepted: September 23, 2018; Received: September 22, 2018;
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