Herd Immunity Threshold Calculator
Calculate the herd immunity threshold from the basic reproduction number (R0) of an infectious disease.
BiologyMcFarland Calculator
Convert between McFarland turbidity standards and bacterial cell concentration (CFU/mL).
Biology
PFU/MOI Calculator
Calculate phage or viral titer (PFU/mL) from plaque assay data and multiplicity of infection (MOI).
Biology
Beer-Lambert Calculator
Calculate absorbance, concentration, molar absorptivity, or path length using the Beer-Lambert Law.
Chemistry
Bioinformatics Format Converter
Convert between bioinformatics file formats: FASTA, BED, GFF3, GTF2, and VCF.
BiologyDot Plot Generator
Generate dot plots to visualize sequence homology, repeats, and inversions between two sequences.
BiologyMotif Scanner
Scan DNA sequences for regulatory motifs, restriction sites, and custom IUPAC patterns on both strands.
BiologyPhylogenetic Tree Viewer
Visualize phylogenetic trees from Newick format strings with cladogram and phylogram views.
BiologyPrimer Designer
Design PCR primers for DNA sequences with Tm, GC%, and self-complementarity analysis.
BiologyRestriction Mapper
Map restriction enzyme recognition sites in DNA sequences with fragment analysis and visualization.
BiologySequence Aligner
Perform global (Needleman-Wunsch) and local (Smith-Waterman) sequence alignments with configurable scoring.
Biology