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Preparation of a Lyophilized Bovine Milk Reference Material for Quality Control of Amoxicillin Detection [PDF]

open access: yesVeterinary Sciences
A bovine milk reference material was produced containing amoxicillin with a target concentration at the maximum residue limit. For the evaluation and characterization of the reference material, an isotope dilution–liquid chromatography/tandem mass ...
Shulin Wei   +5 more
doaj   +2 more sources

Pseudovirus as an Emerging Reference Material in Molecular Diagnostics: Advancement and Perspective [PDF]

open access: yesCurrent Issues in Molecular Biology
In recent years, the persistent emergence of novel infectious pathogens (epitomized by the global coronavirus disease-2019 (COVID-2019) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)) has propelled nucleic acid testing ...
Leiqi Zheng, Sihong Xu
doaj   +2 more sources

Determination of the Migration of Lactide in PLA Food Contact Materials by Gas Chromatography Mass Spectrometry

open access: yesShipin gongye ke-ji, 2023
The method for the determination of migration of lactide in polylactic acid (PLA) food contact material by gas chromatography-mass spectrometry (GC-MS) was established.
Ying ZENG   +8 more
doaj   +1 more source

Global certified-reference-material- or reference-material-scaled nutrient gridded dataset GND13 [PDF]

open access: yesEarth System Science Data, 2020
A global nutrient gridded dataset that might be the basis for studies of more accurate spatial distributions of nutrients in the global ocean was created and named GND13.
M. Aoyama
doaj   +1 more source

"Preparation of Mooney viscosity reference material for low cis-1,4-polybutadiene rubber"

open access: yesHecheng xiangjiao gongye, 2023
The low cis-1,4-polybutadiene rubber material that had been filtrated and passed the homogeneity and stability tests and conformed to requirements for the reference material, was jointly determined the value by several laboratories, and the results of ...
LIU Jun-bao1, HUANG Shi-ying1, MA Li-Li2, CAO Shuai-ying1
doaj   +1 more source

Preparation and certification of wheat flour reference material for tenuazonic acid and tentoxin using isotope dilution- liquid chromatography-tandem mass spectrometry

open access: yesZhongguo shipin weisheng zazhi, 2021
ObjectiveA method for the preparation and certification of the reference material of tenuazonic acid(TeA) and tentoxin (TEN) in wheat flour was developed.MethodsThe reference material of TeA and TEN in wheat flour was prepared from grain which naturally ...
XIE Ji'an   +6 more
doaj   +1 more source

Types, Production and Validation of Reference Materials for Viral Genetic Testing

open access: yesAnnals of Clinical Microbiology, 2020
Molecular diagnostic techniques are used for the diagnosis and monitoring of viral infections. The performance of the in vitro diagnostic assays is important for an accurate and prompt diagnosis. Positive clinical samples or reference materials (RMs) are
Eun-Jung Cho   +7 more
doaj   +1 more source

Reference Materials [PDF]

open access: yesClinical Chemistry and Laboratory Medicine, 1991
This paper summarizes the practical experience gained in the Federal Republic of Germany in connection with the development and implementation of a national reference system. The National Reference System is set forth in: 1. the New Calibration Act 1986 (Neufassung des Eichgesetzes vom 22. Februar 1985. Bundesgesetzblatt 1985, Teil I, 410-422); 2.
openaire   +3 more sources

Plurilinguisme des élèves en classe ordinaire dans le premier degré : que trouve-t-on dans la « boite à outils » des enseignants ?

open access: yesRepères, 2022
We examine the “toolbox” which pre-service and in-service primary school teachers have at their disposal for incorporating multilingualism as an aid to learning French, particularly in mainstream classes.
Lucile Cadet   +5 more
doaj   +1 more source

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