Results 1 to 10 of about 1,845,451 (117)
Preparation of a Lyophilized Bovine Milk Reference Material for Quality Control of Amoxicillin Detection [PDF]
Veterinary SciencesA 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]
Current Issues in Molecular BiologyIn 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
Homogeneity Guarantee of Nickel Reference Material in Soybean Matrix: Influence Mechanism of Particle Size Distribution [PDF]
FoodsIn response to the demand for reference material under the EU Maximum Levels for Nickel (Ni) limit in soybeans (15 mg/kg) in 2024, this study explored the technical difficulty of ensuring the homogeneity of Ni reference material in the soybean matrix ...
Nuojia Wang +8 more
doaj +2 more sources
Shipin 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]
Earth 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"
Hecheng 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
Zhongguo 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
Annals 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
Repères, 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
Direct Calibration Method for LA-HR-ICP-MS Apatite U-Pb Dating
Yankuang ceshi, 2022 BACKGROUND Apatite is a common U-bearing accessory mineral with a U-Pb closure temperature of ~500℃, making U-Pb dating of apatite a potentially valuable thermochronometer.
ZHAO Linghao +5 more
doaj +1 more source