| Purification of bisulfite converted DNA | Bisulfite conversion reaction | EpiTect Bisulfite Kit |
| Purification of plasmid DNA | E. coli cultures | QIAprep Spin Miniprep Kit |
| DNA cleanup | Amplification reactions | QIAquick PCR Purification Kit MinElute PCR Purification Kit |
| | Agarose gel slices | QIAquick Gel Extraction Kit MinElute Gel Extraction Kit |
| | Polyacrylamide gel slices | QIAquick Gel Extraction Kit |
| | Enzymatic reactions | MinElute Reaction Cleanup Kit QIAquick Nucleotide Removal Kit |
| Purification of genomic DNA | Whole blood, body fluids, or buccal swabs | QIAamp DNA Blood Mini Kit |
| | Tissues | QIAamp DNA Mini Kit |
| | Stool | QIAamp DNA Stool Mini Kit |
| | Forensic and human identity samples | QIAamp DNA Investigator Kit |
| | FFPE tissue sections | QIAamp DNA FFPE Tissue Kit |
| | Animal blood or cells, tissues, and rodent tails | DNeasy Blood & Tissue Kit |
| | Plant cells and tissues | DNeasy Plant Mini Kit |
| | Yeast (enzymatically lysed) | DNeasy Blood & Tissue Kit QIAamp DNA Mini Kit |
| Purification of bacterial DNA | Biologcal fluids, swabs, or bacterial cultures | QIAamp DNA Mini Kit |
| | Gram-negative bacteria | DNeasy Blood & Tissue Kit |
| | Gram-positive bacteria (enzymatically lysed) | DNeasy Blood & Tissue Kit QIAamp DNA Mini Kit |
| Purification of viral nucleic acids | Plasma, serum, or cell-free body fluids | QIAamp MinElute Virus Spin Kit |
| Purification of total RNA | Animal cells and easy-to-lyse tissues | RNeasy Plus Mini Kit RNeasy Mini Kit |
| | FFPE tissue sections | RNeasy FFPE Kit |
| | Fatty tissues | RNeasy Lipid Tissue Mini Kit |
| | Fibrous tissues | RNeasy Fibrous Tissue Mini Kit |
| | Aqueous phase of tissue or cell homogenates treated with chloroform | miRNeasy Mini Kit |
| | Plant cells and tissues | RNeasy Plant Mini Kit |
| | Small amounts of tissues or small numbers of cells | RNeasy Micro Kit |
| | Bacteria | RNeasy Protect Bacteria Mini Kit |
| Purification of cellular RNA | Blood (lysed leukocytes) | QIAamp RNA Blood Mini Kit |
| Purification of viral RNA | Cell-free body fluids | QIAamp Viral RNA Mini Kit |
| Purification of microRNA | Aqueous phase of tissue or cell homogenates | miRNeasy Mini Kit |
| RNA cleanup | RNA | RNeasy MinElute Cleanup Kit RNeasy Mini Kit RNeasy Micro Kit |
| Simultaneous purification of DNA and RNA | Animal tissues and cells | AllPrep DNA/RNA Mini Kit |
| Purification of 6xHis-tagged proteins | E. coli cultures or eukaryotic cells | Ni-NTA Spin Kit |
| Depletion of serum proteins | Serum or plasma | Qproteome Albumin/IgG Depletion Kit Qproteome Murine Albumin Depletion Kit |