Results 41 to 50 of about 106,175 (350)

Is There a Significant Difference in Accuracy of Four Intraoral Scanners for Short-Span Fixed Dental Prosthesis? A Comparative In Vitro Study

open access: yesApplied Sciences, 2021
Is the accuracy of the older generation of IOSs an impediment for obtaining a quality intraoral digital impression? The aim of this study was to evaluate the differences in accuracy between four intraoral scanners (two of the latest IOSs and two older ...
Anca Jivănescu   +3 more
doaj   +1 more source

An approach for estimating measurement uncertainty in medical laboratories using data from long-term quality control and external quality assessment schemes [PDF]

open access: yes, 2017
The present study was prompted by the ISO 15189 requirements that medical laboratories should estimate measurement uncertainty (MU)
Aita, Ada   +4 more
core   +1 more source

A Collaborative Approach between Japan and China for Implementing Interlaboratory Evaluation of Olfactometry

open access: yesAtmosphere, 2020
Odor measurement is a crucial element of odor management and regulation. This paper introduced a collaborative implementation of interlaboratory evaluation of olfactometry between Japan and China.
Takaya Higuchi   +4 more
doaj   +1 more source

A Comparison of Three-Dimensional Printing Technologies on the Precision, Trueness, and Accuracy of Printed Retainers [PDF]

open access: yes, 2020
Purpose: The aim of this study was to evaluate the differences in the precision, trueness, and accuracy of 3D printed orthodontic clear retainers produced using printer systems with various printing technologies.
Naeem, Owais A
core   +2 more sources

New high-performance liquid chromatography-dad method for analytical determination of arbutin and hydroquinone in rat plasma [PDF]

open access: yes, 2015
Natural substances present in herbal preparations should be carefully used because they can give toxic or therapeutic effects despite of their amount or the way of administration.
Altieri, I.   +5 more
core   +2 more sources

A novel in vivo method to evaluate trueness of digital impressions [PDF]

open access: yesBMC Oral Health, 2018
Intraoral scanners are devices for capturing digital impressions in dentistry. Until now, several in vitro studies have assessed the trueness of digital impressions, but in vivo studies are missing. Therefore, the purpose of this study was to introduce a new method to assess trueness of intraoral scanners and digital impressions in an in vivo clinical ...
Albdour, Emad A.   +5 more
openaire   +4 more sources

The Empower project : a new way of assessing and monitoring test comparability and stability [PDF]

open access: yes, 2015
Background: Manufacturers and laboratories might benefit from using a modern integrated tool for quality management/assurance. The tool should not be confounded by commutability issues and focus on the intrinsic analytical quality and comparability of ...
De Grande, Linde   +4 more
core   +1 more source

New Method for Simultaneous Determination of Microcystins and Cylindrospermopsin in Vegetable Matrices by SPE-UPLC-MS/MS [PDF]

open access: yes, 2018
Cyanotoxins are a large group of noxious metabolites with different chemical structure and mechanisms of action, with a worldwide distribution, producing effects in animals, humans, and crop plants.
Cameán Fernández, Ana María   +7 more
core   +1 more source

The new concepts of measurement error's regularities and effect characteristics

open access: yes, 2018
In several literatures, the authors give a new thinking of measurement theory system based on error non-classification philosophy, which completely overthrows the existing measurement concept system of precision, trueness and accuracy.
Ling, Mo   +3 more
core   +1 more source

Formulation of itraconazole nanococrystals and evaluation of their bioavailability in dogs [PDF]

open access: yes, 2014
The aim of the study is to increase the bioavailability of itraconazole (ITRA) using nanosized cocrystals prepared via wet milling of ITRA in combination with dicarboxylic acids.
Adriaensens, Peter   +7 more
core   +1 more source

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