ChemBioCalc: Lab Assistant

ChemBioCalc is the ultimate scientific calculator for chemistry, pharmaceutical technology, and molecular biology professionals and students. FREE FEATURES: • Periodic Table with all 118 elements, search and detail view • Mol Calculator (mass, molar mass, pH, dilution) • Solution Preparation (molar, %(w/v), ppm, from liquid) • DNA/RNA Concentration & Tm calculation • PCR Master Mix & Primer tools • Cell Culture calculations • Sequence Tools (translation, ORF finder) • Lab Notebook with photo capture CHEMISTRY PRO (subscription): • RGB Colorimetry — image-based concentration analysis • Adsorption Isotherms — 8 models (Langmuir, Freundlich, Temkin, D-R...) • Kinetic Analysis — PFO, PSO, Elovich, IPD with R² comparison • Thermodynamic Analysis — Van't Hoff ΔH°, ΔS°, ΔG° • LOD/LOQ & calibration statistics • Design of Experiments (DoE) · Chemometrics · RSM — factorial, Plackett-Burman, CCD, Box-Behnken + response-surface optimization • Method Validation — ICH Q2(R2) / EMA M10 linearity, accuracy, LOD/LOQ • HPLC method transfer (USP <621>) & column selector PHARMACY PRO (subscription): • Release Kinetics — 8 models with Korsmeyer-Peppas interpretation • Stability Analysis — Arrhenius, shelf life prediction, Q10 • Dissolution Comparison — f1/f2 factors with FDA/EMA criteria • Particle Size Analysis — d10, d50, d90, Span, SSA • Encapsulation — EE%, DL%, zeta potential • Pharmacokinetics & 2-compartment PopPK — AUC, half-life, Vss • Interspecies dose (HED/NOAEL) & bioequivalence (90% CI) MOLBIO PRO (subscription): • qPCR — ΔΔCt, standard curve, efficiency • Cloning — restriction, ligation, Gibson Assembly, transformation • Protein — A280, pI, molecular weight, extinction coefficient • Electrophoresis — agarose/PAGE recipes, size estimation • ELISA — 4PL curve fitting, concentration calculation • CRISPR guide design, NGS coverage & primer designer • Western blot & electrophoresis analysis PRO FEATURES: • Calculation history — save, recall and edit past calculations • Replicate measurement with statistics (mean, SD, %RSD) • Excel/CSV/PDF export • Ad-free experience • Lab Notebook Pro — unlimited entries, photo editing • Your Pro subscription also works on chembiocalc.com — sign in with the same account and the Pro calculators open in your browser Designed for: ✓ Chemistry students & researchers ✓ Pharmaceutical scientists ✓ Molecular biology researchers ✓ Quality control analysts ✓ Lab technicians