Amplification Factor
Amplification Factor - Related Videos
09:44
Rapid Amplification of cDNA Ends
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2023
Source: Pablo Sanchez Bosch2, Sean Corcoran2 and Katja Brückner1,2,3 1Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research 2Department of Cell and Tissue Biology, 3Cardiovascular Research Institute, University of California San Francisco, San Francisco, CA, USA Rapid Amplification of cDNA Ends (RACE) is a technique that allows amplification of full-length cDNA from mRNA by extending to the 3’ or 5’ end, even without prior knowledge of the sequence (Frohman et al.,...
10:12
Protein Misfolding Cyclic Amplification of Prions
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Cited by 7 •
2012
Protein misfolding cyclic amplification (PMCA) is an in vitro assay for the study of prion conversion and strain and species barriers. It can also be used as a prion detection assay.
02:41
Amplification of a Suicide Plasmid in a Bacterial Host
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2025
Source: Tomás, J. M., et al. Generation of Null Mutants to Elucidate the Role of Bacterial Glycosyltransferases in Bacterial Motility. J. Vis. Exp. (2022).This video demonstrates the initiator-dependent amplification of a suicide plasmid in E. coli. The plasmid, which carries an antibiotic resistance gene, replicates only in the presence of an initiator protein encoded by the host. After electroporation and incubation in recovery medium, the mixture is plated on antibiotic-containing agar.
02:48
Loop-Mediated Isothermal Amplification for Bacterial Gene Detection
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2025
Source: Domesle, K. J., et al. Loop-Mediated Isothermal Amplification for Screening Salmonella in Animal Food and Confirming Salmonella from Culture Isolation. J. Vis. Exp. (2020).This video demonstrates the loop-mediated isothermal amplification (LAMP) technique for detecting a target bacterial gene by amplifying DNA at a constant temperature. The reaction mixture is prepared by adding an isothermal master mix, specific primers for the target gene, and samples containing DNA templates. The...
07:35
Demonstrating a Multi-drug Resistant Mycobacterium tuberculosis Amplification Microarray
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Cited by 4 •
2014
An amplification microarray combines asymmetric PCR amplification and microarray hybridization into a single chamber, which significantly streamlines microarray workflow for the end user. Simplifying microarray workflow is a necessary first step for creating microarray-based diagnostics that can be routinely used in lower-resource environments.
FAQs
Frequency can change the amplification factor, so a system may strengthen the same input by different amounts at different operating frequencies. Engineers therefore evaluate the factor across the relevant frequency range rather than relying on one measurement. This frequency-dependent behavior helps identify whether an amplifier, sensor interface, control system, or instrument can preserve useful signal performance.
Active devices and feedback networks use energy from an external source to produce an output larger than the applied input. The circuit configuration determines how that energy contributes to voltage, current, power, displacement, or another measured quantity. Examining the configuration helps engineers understand why two systems receiving comparable inputs can exhibit different amplification factors.
A large gain alone does not establish that a system performs well. Bandwidth indicates the frequency range over which the response remains relevant, while stability concerns reliable operation and distortion concerns how accurately the output represents the input. Considering these characteristics together allows engineers to judge whether signal strengthening is useful without sacrificing accuracy or dependable behavior.
Engineers evaluate it by comparing the measured output with the corresponding input while specifying the quantity being assessed, such as voltage, current, power, or displacement. Measurements should be interpreted at defined frequencies, operating conditions, and circuit configurations because each can affect the result. Repeating this comparison across relevant conditions reveals the system’s practical response.
Amplification factor information supports the characterization of electronic amplifiers, sensor interfaces, control systems, and measurement instruments. In each case, the value helps indicate how strongly a weak signal or response is increased. Engineers combine it with bandwidth, stability, and distortion assessments to determine whether the system meets the required performance and delivers reliable measurements or control behavior.
Changes in the factor across frequency, operating conditions, or circuit configurations reveal that the system response is not fixed. Such variation can show when signal strengthening is more or less effective and when accuracy or reliability may require closer evaluation. This information guides engineering characterization and helps determine the conditions under which the system provides a useful output.