All Microbiology Calculator Related Post

    Tetracycline Resistance Calculator Scientifically validated tool to predict probability of tetracycline-resistant mutants in bacterial populations using peer-reviewed population genetics models. Minimum Inhibitory Concentration (MIC) Enter MIC value in µg/mL (typical range: 0.015 – 256 µg/mL) Bacterial Population Size (N) Total number of bacterial cells (e.g., 10⁹ for clinical infection) Mutation Rate to Resistance

Streptomycin Yield Calculator – Accurate Antibiotic Production Tool Streptomycin Yield Calculator Absorbance Method Bioassay Method Culture Volume (mL) i Sample Absorbance (at 269 nm) i Blank Absorbance i Dilution Factor i Standard Curve Equation: y = 48.2x – 0.12 Where y = Streptomycin concentration (µg/mL), x = Corrected absorbance Source: Validated spectrophotometric method (USP/NF) Zone

Aspergillus Quantification Calculator Quantify Aspergillus Load & Risk CFU Count (Colony-Forming Units): Number of Aspergillus colonies on plate Dilution Factor: e.g., 1:100 = 100 Volume Plated (mL): Default: 0.1 mL (100 µL) Sample Type: Air Sample (spores/m³)Surface Swab (CFU/cm²)Water Sample (CFU/100mL)Food Sample (CFU/g) Aspergillus Species: General AspergillusA. fumigatus (Pathogenic)A. flavus (Aflatoxin Producer)A. niger (Opportunistic)A. terreus

Penicillin Production Calculator Calculate Penicillin Yield & Fermentation Metrics Final Penicillin Titer (U/mL): Measured by bioassay or HPLC (Units/mL) Fermentation Volume (L): Total broth volume in fermenter Fermentation Time (hours): From inoculation to harvest (typically 120–168 h) Penicillium Strain: General P. chrysogenumWisconsin 54-1255 (Classic)High-Yield Industrial (Modern)Recombinant Overproducer Calculate Production Metrics About the Penicillin Production Calculator

Mold Spore Count Calculator Calculate Mold Spore Concentration Number of Mold Spores Counted: Total spores counted under microscope (all fields) Number of Fields Counted: Microscopic fields examined (e.g., 10–20) Air Sample Volume (L): Volume of air sampled (e.g., 100 L) Collection Efficiency (%): Device efficiency (default: 90% for impaction samplers) Dominant Mold Genus: General MoldAspergillus/PenicilliumCladosporiumAlternariaStachybotrys

Candida Growth Calculator Predict Candida albicans Growth Dynamics Initial Optical Density (OD₆₀₀): Starting absorbance at 600 nm (e.g., after inoculation) Final Optical Density (OD₆₀₀): Measured OD after growth period Growth Time (hours): Time between OD measurements Incubation Temperature (°C): Optimal: 37°C for human pathogen simulation Calculate Growth Kinetics About the Candida Growth Calculator The Candida

Antifungal Sensitivity Calculator Determine Fungal Sensitivity & MIC Control Colony Diameter (mm) – No Antifungal: Diameter of fungal colony in control plate (no antifungal) Treated Colony Diameter (mm) – With Antifungal: Diameter at a known antifungal concentration Antifungal Concentration (µg/mL): Concentration used in treated plate Fungal Species / Type: General Fungi (Default)Aspergillus spp.Candida spp. (CLSI

Fungal Colony Size Calculator Calculate Fungal Colony Growth Initial Colony Radius (mm): Radius at time t=0 (e.g., after inoculation) Final Colony Radius (mm): Measured radius after growth period Growth Time (days): Time between measurements Incubation Temperature (°C): Optimal range: 20–30°C for most saprophytic fungi Calculate Colony Metrics About the Fungal Colony Size Calculator The Fungal