Results 1 to 10 of about 525,362 (303)

Methods to determine limit of detection and limit of quantification in quantitative real-time PCR (qPCR). [PDF]

open access: yesBiomol Detect Quantif, 2017
Quantitative Real-Time Polymerase Chain Reaction, better known as qPCR, is the most sensitive and specific technique we have for the detection of nucleic acids.
Forootan A   +5 more
europepmc   +4 more sources

The lower limit of quantification in pharmacokinetic analyses. [PDF]

open access: yesJournal of Veterinary Pharmacology and Therapeutics, 2019
Pharmacokinetic (PK) analyses rely fundamentally on independent measurements of drug concentrations in biological matrices, traditionally using chromatographic analytical methods. These methods have imperfect performance and introduce measurement error to the experiment.
A. Woodward, T. Whittem
semanticscholar   +4 more sources

Incorporation of concentration data below the limit of quantification in population pharmacokinetic analyses. [PDF]

open access: yesPharmacol Res Perspect, 2015
Handling of data below the lower limit of quantification (LLOQ), below the limit of quantification (BLOQ) in population pharmacokinetic (PopPK) analyses is important for reducing bias and imprecision in parameter estimation.
Keizer RJ   +6 more
europepmc   +2 more sources

Limit of Blank (LOB), Limit of Detection (LOD), and Limit of Quantification (LOQ)

open access: yesOrganic & Medicinal Chemistry International Journal, 2018
For any analytical method development and validation, it is require developing arobust, accurate, precise, and linear method which is the heart for the development activities for drug product and drug substances.
Mohamad Taleuzzaman
semanticscholar   +2 more sources

Quantification of the information limit of transmission electron microscopes. [PDF]

open access: yesPhysical Review Letters, 2008
The resolving power of high-resolution transmission electron microscopes is characterized by the information limit, which reflects the size of the smallest object detail observable with a particular instrument. We introduce a highly accurate measurement method for the information limit, which is suitable for modern aberration-corrected electron ...
Juri Barthel, A. Thust
semanticscholar   +4 more sources

Limit of detection and limit of quantification development procedures for organochlorine pesticides analysis in water and sediment matrices. [PDF]

open access: yesChem Cent J, 2013
BackgroundReliable values for method validity of organochlorine pesticides determination were investigated, in water by solid phase extraction and in sediment by Soxhlet extraction, followed by gas chromatography equipped with an electron capture ...
Saadati N   +5 more
europepmc   +2 more sources

Limit of Detection and Limit of Quantification Determination in Gas Chromatography

open access: yes, 2014
Any year, millions of analyses of any kind are performed around the world, and millions of decisions are made, based on these analyses; have the medicaments, the amount of drug reported in their container?, Can we safely consume this water or these foods?
E. Bernal
semanticscholar   +4 more sources

Multiple linear regression modeling with values below a lower limit of quantification – a statistical method comparison [PDF]

open access: yesBMC Medical Research Methodology
Background Missing values occur in almost all real-world medical data. Sometimes, more information is available for the missing values due to technical measurement limits.
Lorena Hafermann   +4 more
doaj   +2 more sources

Dual-Energy CT: Lower Limits of Iodine Detection and Quantification. [PDF]

open access: yesRadiology, 2019
Background Assessments of the quantitative limitations among the six commercially available dual-energy (DE) CT acquisition schemes used by major CT manufacturers could aid researchers looking to use iodine quantification as an imaging biomarker. Purpose
M. Jacobsen   +7 more
semanticscholar   +3 more sources

Detection and quantification of beef and pork materials in meat products by duplex droplet digital PCR.

open access: yesPLoS ONE, 2017
Meat products often consist of meat from multiple animal species, and inaccurate food product adulteration and mislabeling can negatively affect consumers.
Yicun Cai   +5 more
doaj   +2 more sources

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