Interlaboratory Program
Mostrando 1-10 de 10 artigos, teses e dissertações.
-
1. Programa Interlaboratorial de Agregados e Misturas AsfÃlticas da Rede Asfalto N/Ne / Interlaboratory Program for Aggregates and Asphalt Mixture Characterizations within the Brazilian North-Northeast Asphalt Network
O trabalho apresenta o programa interlaboratorial de agregados e de misturas asfÃlticas da REDE ASFALTO N/NE, um arranjo de nove instituiÃÃes brasileiras coordenado pela Universidade Federal do Cearà (UFC). O objetivo do trabalho à a implantaÃÃo de um programa interlaboratorial para caracterizaÃÃo de agregados e dosagem de misturas asfÃlticas dentr
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 25/08/2010
-
2. Parâmetros r e R obtidos de programa interlaboratorial: como usá-los
Intralaboratorial and interlaboratorial variabilities can be obtained by conducting an specially designed interlaboratory program. Using the analysis of variance technique one can calculate the r (repeatability) and R (reproducibility) indexes that can help participant laboratories to monitor their routine quality control procedures. An example is described
Química Nova. Publicado em: 2009
-
3. Certification reference material of iron ore by interlaboratory program / Certificado de material de referência de minério de ferro utilizando programa interlaboratorial
Brazil is one of the great worldwide iron ore producers and exports most of its production. In the international trade it is important to make sure the comparison of the analytical results among different laboratories. A variation of 0,1% in the average of the iron content can increase or decrease the value of a large ore shipment. Thus, the quality guarante
Publicado em: 2007
-
4. International Interlaboratory Quality Control Program for Measurement of Antiretroviral Drugs in Plasma
An international interlaboratory quality control program for measurement of antiretroviral drugs was initiated. The first round was confined to protease inhibitors and showed large variability in the performance of participating laboratories. The results demonstrate the need for and utility of an ongoing quality control program in this area of bioanalysis.
American Society for Microbiology.
-
5. Need for an External Proficiency Testing Program for Cytokines, Chemokines, and Plasma Markers of Immune Activation
An external evaluation program for measuring the performance of laboratories testing for cytokines and immune activation markers in biological fluids was developed. Cytokines, chemokines, soluble cytokine receptors, and other soluble markers of immune activation (CSM) were measured in plasma from a healthy human immunodeficiency virus (HIV)-seronegative refe
American Society for Microbiology.
-
6. Interlaboratory Comparison of PCR-Based Identification and Genogrouping of Neisseria meningitidis
Twenty clinical samples (18 cerebrospinal fluid samples and 2 articular fluid samples) were sent to 11 meningococcus reference centers located in 11 different countries. Ten of these laboratories are participating in the EU-MenNet program (a European Union-funded program) and are members of the European Monitoring Group on Meningococci. The remaining laborat
American Society for Microbiology.
-
7. Quality Assurance Program for Clinical Measurement of Antiretrovirals: AIDS Clinical Trials Group Proficiency Testing Program for Pediatric and Adult Pharmacology Laboratories
Clinical trials designed to compare antiretroviral regimens, investigate therapeutic drug monitoring, or measure pharmacometrics often include protease inhibitors (PIs), nonnucleoside reverse transcriptase inhibitors (NNRTIs), and nucleoside reverse transcriptase inhibitors, requiring the measurement of these antiretrovirals in plasma. Within the adult and p
American Society for Microbiology.
-
8. Interlaboratory comparison of test results for detection of Lyme disease by 516 participants in the Wisconsin State Laboratory of Hygiene/College of American Pathologists Proficiency Testing Program.
In 1991, we reported that 55% of laboratories participating in the Wisconsin Proficiency Testing Program could not accurately identify serum samples from Lyme disease patients containing antibody against Borrelia burgdorferi. The purpose of this study was to determine whether the accuracy of Lyme disease test results reported by approximately 500 participant
-
9. Computer-assisted methods for assessing strain relatedness in Candida albicans by fingerprinting with the moderately repetitive sequence Ca3.
When used to probe EcoRI-digested Candida albicans DNA, the moderately repetitive sequence Ca3 generated a Southern blot hybridization pattern which included 15 to 25 bands, depending upon the strain. The pattern was stable through 400 generations in each of three independent strains but variable between most of 46 unrelated tester strains, making it a very
-
10. Inter- and intrainstitutional evaluation of automated volumetric capillary cytometry for the quantitation of CD4- and CD8-positive T lymphocytes in the peripheral blood of persons infected with human immunodeficiency virus. Site Investigators and the NIAID New CD4 Technologies Focus Group.
Volumetric capillary cytometry (VCC) is a new technology that involves the detection and enumeration of dually fluorochrome-labeled cells in a precise volume. We compared the accuracy and precision of VCC with the accuracy and precision of flow cytometry and hematology (F&H) for the measurement of the absolute numbers of CD4 and CD8 T cells in the whole bloo