Validation of urinary N-methylacetamide reference material for proficiency test
نویسندگان
چکیده
منابع مشابه
Results of a Saxitoxin Proficiency Test Including Characterization of Reference Material and Stability Studies
A saxitoxin (STX) proficiency test (PT) was organized as part of the Establishment of Quality Assurance for the Detection of Biological Toxins of Potential Bioterrorism Risk (EQuATox) project. The aim of this PT was to provide an evaluation of existing methods and the European laboratories' capabilities for the analysis of STX and some of its analogues in real samples. Homogenized mussel materi...
متن کاملdevelopment and validation of a persian proficiency test
the recent increase in the number of publications devoted to teaching the persian language to speakers of other languages and the development of such courses in iran and elsewhere signify a cultural movement. however, one of the shortcomings of this movement pertains to its oblivious stance to persian language proficiency. this paper aims at defining language proficiency bringing its importance...
متن کاملDirect and Semi-Direct Validation: Test Takers’ Perceptions, Evaluations and Anxiety towards Speaking Module of an English Proficiency Test
This research study employed a mixed-methods approach to investigate the test takers’ perceptions and anx- iety in relation to an English language proficiency test called Community English Program (CEP). This study also evaluated the direct and semi-direct modes for speaking module of this test. To this end, 300 Eng- lish as Foreign Language (EFL) students were recruited in the study as test ta...
متن کاملGeneration and Characterization of Six Recombinant Botulinum Neurotoxins as Reference Material to Serve in an International Proficiency Test
The detection and identification of botulinum neurotoxins (BoNT) is complex due to the existence of seven serotypes, derived mosaic toxins and more than 40 subtypes. Expert laboratories currently use different technical approaches to detect, identify and quantify BoNT, but due to the lack of (certified) reference materials, analytical results can hardly be compared. In this study, the six BoNT/...
متن کاملSite-Reference Method for EMC Test Site Validation
Electromagnetic compatibility (EMC) compliance testing for the CE-certification of electronic apparatus involves the measurement of radiated-emissions in the frequency range of 30 MHz to 1 GHz. To achieve equivalent test results from different testing laboratories, test sites must be of validated, standard performance. This paper suggests two substantial improvements to the standard site valida...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Analytical Science and Technology
سال: 2014
ISSN: 1225-0163
DOI: 10.5806/ast.2014.27.6.339