Results 1 to 10 of about 395,656 (259)

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

BMC 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, Isao Yokota, Linda Kalski, Bernd Wolfarth, Carolin Herrmann   +4 more
doaj   +2 more sources

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

Biomolecular Detection and Quantification, 2017
Mikael Kubista
exaly   +2 more sources

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

Pharmacology Research and Perspectives, 2015
Jan Schellens, Robert Jansen, Ron Keizer   +2 more
exaly   +2 more sources

Analysis of time-to-positivity data in tuberculosis treatment studies: Identifying a new limit of quantification [PDF]

International Journal of Antimicrobial Agents
Paolo Denti, Elin Svensson, Pieter Van Brantegem   +2 more
exaly   +2 more sources

Cyanine-based dyes: highly sensitive sensors for the detection of the hypochlorite levels in drinking water based on fluorometry. [PDF]

Delta Journal of Science, 2023
Drinking water is frequently disinfected with chlorine, and it is necessary to quantify any remaining chlorine in the form of the hypochlorite ion (ClO-).
Ehab Okba, Nermeen Hafez, Wael Amer, Hussein Alganzory, Elzeiny Ebeid   +4 more
doaj   +1 more source

Application of Static Headspace GC-MS Method for Selective 1,4-Dioxane Detection in Food Additives

Foods, 2023
Efficient detection methods must be developed for 1,4-dioxane due to its suspected status as a human carcinogen, which is highly mobile in food and environmental resources.
Myung-Chan Kim, Su-Yeon Park, Seo-Yeon Kwon, Yu-Kyeong Kim, Yeong-In Kim, Yong-Soo Seo, Sueng-Mok Cho, Eui-Cheol Shin, Jin Hong Mok, Yang-Bong Lee   +9 more
doaj   +1 more source

Investigation of the photoactivation effect of TiO2 onto carbon-clay paste electrode by cyclic voltammetry analysis

Heliyon, 2023
In this work, a cyclic voltammetry analysis for the detection of Ascorbic Acid (AA) based on a carbon-clay paste electrode modified with titanium dioxide (CPEA/TiO2) is presented.
Bakary Tigana Djonse Justin, Niraka Blaise, Hambate Gomdje Valery   +2 more
doaj   +1 more source

Establishment of droplet digital PCR for quantitative detection of Listeria monocytogenes in food

Zhongguo shipin weisheng zazhi, 2022
ObjectiveA droplet digital polymerase chain reaction （ddPCR） method was developed for the rapid quantitative detection of Listeria monocytogenes in food.MethodsSpecific primers and probes for Listeria monocytogenes were screened.
WEI Yongxin, MA Dan, DONG Yiyang, WEI Haiyan, LI Dan, ZHANG Ximeng, GUO Yunchang, LI Weiwei, PEI Xiaoyan, SONG Yueqian   +9 more
doaj   +1 more source

Determination of the limit of quantification of the calorimeter using a mixture of benzoic acid and silicon dioxide [PDF]

Hemijska Industrija, 2011
In recent years quality control has received a great attention in laboratory work. Implementation of the international standard ISO/IEC 17025 is necessary for any laboratory that wishes to establish quality control in its work.
Krstić Vesna R., Blagojević Branko D., Gomidželović Lidija D., Požega Emina D., Petrović Jelena V., Stanković Suzana D.   +5 more
doaj   +1 more source

Handling Data Below the Limit of Quantification in Mixed Effect Models [PDF]

AAPS Journal, 2009
Martin Bergstrand, Mats Karlsson, Karlsson Mats O   +2 more
exaly   +2 more sources