IPC Classification

Class code (prefix) Descriptions Number of results
  • All sections
  • C - Chemistry; metallurgy
  • C12Q - Measuring or testing processes involving enzymes, nucleic acids or microorganisms; compositions or test papers therefor; processes of preparing such compositions; condition-responsive control in microbiological or enzymological processes
C12Q 1/00 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions
C12Q 1/02 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving viable microorganisms
C12Q 1/04 Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor
C12Q 1/06 Quantitative determination
C12Q 1/08 Quantitative determination using multifield media
C12Q 1/10 Enterobacteria
C12Q 1/12 Nitrate to nitrite reducing bacteria
C12Q 1/14 Streptococcus; Staphylococcus
C12Q 1/16 Determining presence or kind of microorganism; Use of selective media for testing antibiotics or bacteriocides; Compositions containing a chemical indicator therefor using radioactive material
C12Q 1/18 Testing for antimicrobial activity of a material
C12Q 1/20 Testing for antimicrobial activity of a material using multifield media
C12Q 1/22 Testing for sterility conditions
C12Q 1/24 Methods of sampling, or inoculating or spreading a sample; Methods of physically isolating an intact microorganism
C12Q 1/25 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving enzymes not classifiable in groups
C12Q 1/26 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase
C12Q 1/28 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving peroxidase
C12Q 1/30 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving catalase
C12Q 1/32 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving oxidoreductase involving dehydrogenase
C12Q 1/34 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase
C12Q 1/37 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving peptidase or proteinase
C12Q 1/40 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving amylase
C12Q 1/42 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving phosphatase
C12Q 1/44 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving esterase
C12Q 1/46 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving hydrolase involving esterase involving cholinesterase
C12Q 1/48 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving transferase
C12Q 1/50 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving transferase involving creatine phosphokinase
C12Q 1/52 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving transferase involving transaminase
C12Q 1/54 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving glucose or galactose
C12Q 1/56 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving blood clotting factors, e.g. involving thrombin, thromboplastin, fibrinogen
C12Q 1/58 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving urea or urease
C12Q 1/60 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving cholesterol
C12Q 1/61 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving triglycerides
C12Q 1/62 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving uric acid
C12Q 1/64 Geomicrobiological testing, e.g. for petroleum
C12Q 1/66 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving luciferase
C12Q 1/68 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids
C12Q 1/70 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving virus or bacteriophage
C12Q 1/527 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving lyase
C12Q 1/533 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving isomerase
C12Q 1/682 Signal amplification
C12Q 1/683 Hybridisation assays for detection of mutation or polymorphism involving restriction enzymes, e.g. restriction fragment length polymorphism [RFLP]
C12Q 1/686 Polymerase chain reaction [PCR]
C12Q 1/689 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms for bacteria
C12Q 1/6804 Nucleic acid analysis using immunogens
C12Q 1/6806 Preparing nucleic acids for analysis, e.g. for polymerase chain reaction [PCR] assay
C12Q 1/6809 Methods for determination or identification of nucleic acids involving differential detection
C12Q 1/6811 Selection methods for production or design of target specific oligonucleotides or binding molecules
C12Q 1/6813 Hybridisation assays
C12Q 1/6816 Hybridisation assays characterised by the detection means
C12Q 1/6818 Hybridisation assays characterised by the detection means involving interaction of two or more labels, e.g. resonant energy transfer
C12Q 1/6823 Release of bound markers
C12Q 1/6825 Nucleic acid detection involving sensors
C12Q 1/6827 Hybridisation assays for detection of mutation or polymorphism
C12Q 1/6832 Enhancement of hybridisation reaction
C12Q 1/6834 Enzymatic or biochemical coupling of nucleic acids to a solid phase
C12Q 1/6837 Enzymatic or biochemical coupling of nucleic acids to a solid phase using probe arrays or probe chips
C12Q 1/6839 Triple helix formation or other higher order conformations in hybridisation assays
C12Q 1/6841 In situ hybridisation
C12Q 1/6844 Nucleic acid amplification reactions
C12Q 1/6848 Nucleic acid amplification reactions characterised by the means for preventing contamination or increasing the specificity or sensitivity of an amplification reaction
C12Q 1/6851 Quantitative amplification
C12Q 1/6853 Nucleic acid amplification reactions using modified primers or templates
C12Q 1/6855 Ligating adaptors
C12Q 1/6858 Allele-specific amplification
C12Q 1/6862 Ligase chain reaction [LCR]
C12Q 1/6865 Promoter-based amplification, e.g. nucleic acid sequence-based amplification [NASBA], self-sustained sequence replication [3SR] or transcription-based amplification system [TAS]
C12Q 1/6867 Replicase-based amplification, e.g. using Q-beta replicase
C12Q 1/6869 Methods for sequencing
C12Q 1/6872 Methods for sequencing involving mass spectrometry
C12Q 1/6874 Methods for sequencing involving nucleic acid arrays, e.g. sequencing by hybridisation [SBH]
C12Q 1/6876 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes
C12Q 1/6879 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for sex determination
C12Q 1/6881 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for tissue or cell typing, e.g. human leukocyte antigen [HLA] probes
C12Q 1/6883 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material
C12Q 1/6886 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for diseases caused by alterations of genetic material for cancer
C12Q 1/6888 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms
C12Q 1/6893 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms for protozoa
C12Q 1/6895 Nucleic acid products used in the analysis of nucleic acids, e.g. primers or probes for detection or identification of organisms for plants, fungi or algae
C12Q 1/6897 Measuring or testing processes involving enzymes, nucleic acids or microorganisms; Compositions therefor; Processes of preparing such compositions involving nucleic acids involving reporter genes operably linked to promoters
C12Q 3/00 Condition-responsive control processes