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Journals

Methylmercury inTtuna: Demonstrating Measurement Capabilities and Evaluating Comparability of Results Worldwide From the CCQM P-39 Comparison

Author(s)
C Quetel, J P. Snell, Y Aregbe, L Abranko, Z S. Jokai, C Brunori, R Morabito, W Hagan, S. Azemard, E Wyse, V Fajon, M. Horvat, M. Logar, O.F. X. Donard, E Krupp, J Entwisle, R Hearn, Michele M. Schantz, K Inagaki, A Takatsu, P Grinberg, S. N. Willie, H Hintelmann, E Bjorn, E Blanco Gonzalez, G Centineo, J Ignacio Garcia Alonso, A Sanz-Medel
Six Metrology Institutes (NMIs), representing at the Comit International des Poids et Mesures (CIPM) 4 Member States of the Metre Convention and 2 international...

Towards Metrological Traceability for DNA Fragment Ratios in GM Quantitation. Part A The Effect of DNA Extraction Methods on the Quantitative Determination of Bt176 Corn by Real-Time PCR

Author(s)
Ph Corbisier, W Boothaerts, S Giorio, Heinz Schimmel, M J. Burns, A Baoutina, K R. Emslie, S Furui, Y Kurosawa, Marcia J. Holden, H H. Kim, Y M. Lee, M Kawaharasake, D. W. Sin, J. Wang
An international CCQM-P60 pilot study involving 8 national metrological institutes was organized to investigate if the quantification of genetically modified...

Feasibility Study of the Use of Frozen Human Sera in Split-Sample Comparison of Immunoassays With Reference Measurement Procedures for Total Thyroxine and Total Triiodothyronine Measurement

Author(s)
Linda M. Thienpont, Katleen Van Uytfanghe, J Marriot, Y Tokura, Lothar Siekmann, Anja Kessler, David M. Bunk, Susan Tai
Background: Diagnostic manufacturers must ensure/document metrologically traceable assays. Here we report on a feasibility study that investigated the use of a...

A New Determination of G

Author(s)
J P. Schwarz, J E. Faller, T M. Niebauer, F Klopping, D S. Robertson, G Sasagawa
A short test run of the apparatus was conducted in February 1997 and gave promising results. A difference signal of about 80 υGal was observed, with reasonable...

The Spectrum of Singly Ionized Potassium, K II

Author(s)
K Pettersen, J O. Ekberg, I Martinson, Joseph Reader
Using 10.7 m and 3-m normal-incidence vacuum ultraviolet spectrographs, we investigated the spectrum of singly ionized potassium in the regions 495 612 and 1247...

Multi-Pole Representation of the Dielectric Matrix

Author(s)
J A. Soininen, J J. Rehr, Eric L. Shirley
A good approximation for the electron self-energy or the electron quasiparticle properties is needed for an accurate calculation of x-ray absorption spectra...

Stable and Robust Polymer Nanotubes Stretched From Polymersomes

Author(s)
Joseph E. Reiner, J M. Wells, Rani B. Kishore, Candace Pfefferkorn, Kristian Helmerson
We create long polymer nanotubes by directly pulling on the membrane of polymersomes using either optical tweezers or a micropipette. The polymersomes are...
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