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antibiotic gradient test strips  (Liofilchem)

 
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    Liofilchem antibiotic gradient test strips
    Antibiotic Gradient Test Strips, supplied by Liofilchem, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/gradient+strips/antibiotic+gradient+strips/pm42073283-72-0-4
    Average 86 stars, based on 1 article reviews
    antibiotic gradient test strips - by Bioz Stars, 2026-11
    86/100 stars

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    Related Articles

    other:

    Article Title: Diagnostic algorithm for the detection of carbapenemases and extended-spectrum β-lactamases in carbapenem-resistant Pseudomonas aeruginosa .
    Article Snippet: All antibiotic gradient strips were purchased from Liofilchem (Roseto degli Abruzzi, Italy).

    Article Title: OXA-1207, a new OXA-48-type carbapenem-hydrolysing class D beta-lactamase from Escherichia coli
    Article Snippet: Antimicrobial susceptibility was determined using antibiotic gradient strips and (Liofilchem, Roseto degli Abruzzi, Italy), broth micro dilution for temocillin, ertapenem, meropenem, imipenem and colistin and agar dilution for fosfomycin as recommended by EUCAST.

    Construct:

    Article Title: A novel mechanism of ceftolozane-tazobactam resistance in Pseudomonas aeruginosa mediated by L2 β-lactamase
    Article Snippet: .. C/T MICs for the clinical isolates and constructed strains were determined using antibiotic strips (bioMérieux, Marcy l’Étoile, France or Liofilchem). ..

    Stripping Membranes:

    Article Title: Emergence of Neisseria meningitidis Causing Both Urogenital Infection and Invasive Meningococcal Disease in China.
    Article Snippet: The N. meningitidis isolate (Nm531) was confirmed via matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS), and the serogroup was identified as Y using monoclonal antiserum (Remel Europe Ltd). .. The minimum inhibitory concentrations (MICs) were determined using the antibiotic gradient strip diffusion method (Etest; Liofilchem, Italia) and interpreted according to the breakpoints recommended by the Clinical and Laboratory Standards Institute (CLSI) 2024 [9]. ..

    Diffusion-based Assay:

    Article Title: Emergence of Neisseria meningitidis Causing Both Urogenital Infection and Invasive Meningococcal Disease in China.
    Article Snippet: The N. meningitidis isolate (Nm531) was confirmed via matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF MS), and the serogroup was identified as Y using monoclonal antiserum (Remel Europe Ltd). .. The minimum inhibitory concentrations (MICs) were determined using the antibiotic gradient strip diffusion method (Etest; Liofilchem, Italia) and interpreted according to the breakpoints recommended by the Clinical and Laboratory Standards Institute (CLSI) 2024 [9]. ..



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    <t>CZA-heteroresistant</t> strains and stability of their resistant subpopulations among the 25 clinical carbapenem-resistant Klebsiella pneumoniae isolates. ( A ) <t>Satellite</t> <t>colonies</t> in the CZA E-test strip for the CRKP11, CRKP19, and CRKP26 strains. ( B ) Population analysis profiles of CRKP11, CRKP19, and CRKP26 and the control strain K. pneumoniae ATCC13883. ( C ) Time-kill kinetics assay for CRKP11, CRKP19, and CRKP26, and the control strain K. pneumoniae ATCC13883. ( D ) MIC values for the heteroresistant strains CRKP11, CRKP19, and CRKP26, and their resistant subpopulations (RS). Red lines indicate average values of three WT strain replicates. Green lines indicate average values of resistant subpopulation replicates. ( E ) MIC values of CZA for the passaged resistant subpopulations were determined at passages 0, 10, and 30 days. Shading indicates SEM values.
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    Image Search Results


    Distribution of MIC values from ETEST AZA and BMD on clinical and challenge isolates. ( A ) FDA breakpoints ( N = 602) and ( B ) EUCAST breakpoints ( N = 650), with their respective interpretation noted on the top and left of the plot. Gray rectangles represent MICs in essential agreement, defined as MICs within ±1 doubling dilution. Abbreviations: MIC, minimal inhibitory concentration; AZA, aztreonam-avibactam; BMD, broth microdilution; S, susceptible; I, intermediate; R, resistant.

    Journal: Journal of Clinical Microbiology

    Article Title: A multicenter performance evaluation of aztreonam-avibactam gradient diffusion susceptibility testing for Enterobacterales

    doi: 10.1128/jcm.01749-25

    Figure Lengend Snippet: Distribution of MIC values from ETEST AZA and BMD on clinical and challenge isolates. ( A ) FDA breakpoints ( N = 602) and ( B ) EUCAST breakpoints ( N = 650), with their respective interpretation noted on the top and left of the plot. Gray rectangles represent MICs in essential agreement, defined as MICs within ±1 doubling dilution. Abbreviations: MIC, minimal inhibitory concentration; AZA, aztreonam-avibactam; BMD, broth microdilution; S, susceptible; I, intermediate; R, resistant.

    Article Snippet: One other gradient diffusion method has been evaluated, the Liofilchem aztreonam-avibactam gradient strip ( ).

    Techniques: Concentration Assay

    CZA-heteroresistant strains and stability of their resistant subpopulations among the 25 clinical carbapenem-resistant Klebsiella pneumoniae isolates. ( A ) Satellite colonies in the CZA E-test strip for the CRKP11, CRKP19, and CRKP26 strains. ( B ) Population analysis profiles of CRKP11, CRKP19, and CRKP26 and the control strain K. pneumoniae ATCC13883. ( C ) Time-kill kinetics assay for CRKP11, CRKP19, and CRKP26, and the control strain K. pneumoniae ATCC13883. ( D ) MIC values for the heteroresistant strains CRKP11, CRKP19, and CRKP26, and their resistant subpopulations (RS). Red lines indicate average values of three WT strain replicates. Green lines indicate average values of resistant subpopulation replicates. ( E ) MIC values of CZA for the passaged resistant subpopulations were determined at passages 0, 10, and 30 days. Shading indicates SEM values.

    Journal: Microbiology Spectrum

    Article Title: Tandem amplification of the umpA allele contributes to ceftazidime-avibactam heteroresistance in clinical carbapenem-resistant Klebsiella pneumoniae isolates

    doi: 10.1128/spectrum.01722-25

    Figure Lengend Snippet: CZA-heteroresistant strains and stability of their resistant subpopulations among the 25 clinical carbapenem-resistant Klebsiella pneumoniae isolates. ( A ) Satellite colonies in the CZA E-test strip for the CRKP11, CRKP19, and CRKP26 strains. ( B ) Population analysis profiles of CRKP11, CRKP19, and CRKP26 and the control strain K. pneumoniae ATCC13883. ( C ) Time-kill kinetics assay for CRKP11, CRKP19, and CRKP26, and the control strain K. pneumoniae ATCC13883. ( D ) MIC values for the heteroresistant strains CRKP11, CRKP19, and CRKP26, and their resistant subpopulations (RS). Red lines indicate average values of three WT strain replicates. Green lines indicate average values of resistant subpopulation replicates. ( E ) MIC values of CZA for the passaged resistant subpopulations were determined at passages 0, 10, and 30 days. Shading indicates SEM values.

    Article Snippet: CZA heteroresistance in the K. pneumoniae clinical isolates was confirmed by PAP for colonies growing within the inhibitory zone in the CZA gradient strip testing (Liofilchem, Roseto degli Abruzzi, Italy).

    Techniques: Stripping Membranes, Control