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Table 1 Semi-quantitative estimation of PBP2a occurrence in biofilms isolated from different treatments

From: Prevention of cell-surface attachment and reduction of penicillin-binding protein 2a (PBP2a) level in methicillin-resistant Staphylococcus aureus biofilms by Acalypha wilkesiana

Treatments (mg/mL) Control MRSA Ampicillin 0.05 9EA- FC-B
3.00 1.50 0.75 0.38 0.19
Intensity of PBP2a Agglutination + + + + + - - + + +
  1. Intensity of agglutination was observed and scored between + and + + +, where the control latex which showed no reactivity in the absence of PBP2a is considered as “-” (interpretation: + + + strong presence of agglutination, + + agglutination against turbid background, + slight agglutination against turbid background, − no agglutination).