Results 11 to 20 of about 3,941,459 (205)

External quality assessment demonstrates that PD‐L1 22C3 and SP263 assays are systematically different

open access: yesThe Journal of Pathology: Clinical Research, 2020
PD‐L1 inhibitors are part of first line treatment options for patients with advanced non‐small cell lung cancer. PD‐L1 immunohistochemistry (IHC) assays act as either a companion or a complementary diagnostic. The purpose of this study is to describe the
Andrew Dodson   +9 more
doaj   +1 more source

Comparative study on Angelica sinensis after different processing with yellow rice wine in color, aromas, chemical components, and antioxidant activities

open access: yesFood Chemistry: X, 2023
This study aimed to explore the differences in raw Angelica Sinensis (RAS), wine washing AS (WAS), and wine stir-frying AS (WSAS). The results showed there were differences among the three AS in color and aroma, and 34 aroma compounds were identified ...
Zhi-Tong Zhang   +9 more
doaj   +1 more source

Quality Improvement and Network Externalities [PDF]

open access: yesSSRN Electronic Journal, 2006
We analyse the optimal pricing choice of an incumbent firm that sells a good with network externalities and is threatened by the entry of a higher quality variant. In the framework of a vertical differentiation model, we find a necessary and sufficient condition under which quality improvement occurs as a result of this competition.
GABSZEWICZ, Jean J., GARCIA, Filomena
openaire   +3 more sources

Cytokine Storm in the Novel Coronavirus Infection and Methods of its Correction

open access: yesАнтибиотики и Химиотерапия, 2021
The aim of the study was to identify the role of cytokine storm in COVID-19, that emerged at the end of 2019, based on the analysis of 80 publications, including 17.4% Russian and 82.6% foreign publications for 2014–2020 with an average impact factor of ...
A. V. Ershov   +3 more
doaj   +1 more source

External quality control in communication science:

open access: yesCommunicare, 2022
In this article, the author gives an overview of how quality control is done in Communication Science at Dutch and Flemish universities. He bases his overview on his experience as a member of the Dutch/Flemish External Quality Control Commission during ...
Pieter Fourie
doaj   +1 more source

A multi-objective evolutionary algorithm-based soft computing model for educational data mining [PDF]

open access: yesAAOU Journal, 2017
Purpose - The purpose of this paper is to propose a soft computing model based on multi-objective evolutionary algorithm (MOEA), namely, modified micro genetic algorithm (MmGA) coupled with a decision tree (DT)-based classifier, in classifying and ...
Choo Jun Tan   +3 more
doaj   +1 more source

Supervisory institutions, Oversight on External Auditors, Audit Quality and Financial Reporting Quality [PDF]

open access: yesفصلنامه بورس اوراق بهادار, 2021
Generally external supervision activities lead improving audit quality. In Iran, different organizations have supervised auditing institutions. One of them is Securities and Exchange Organization (SEO). .
Parisa Saadat Behbahaninia   +2 more
doaj   +1 more source

Integrating quality control and external quality assurance

open access: yesClinical Biochemistry, 2021
Effective management of clinical laboratories relies upon an understanding of Quality Control and External Quality Assurance principles. These processes, when applied effectively, reduce patient risk and drive quality improvement. In this Review, we will describe the purpose of QC and EQA and their role in identifying analytical and process error.
openaire   +3 more sources

External quantum efficiency enhancement by photon recycling with backscatter evasion [PDF]

open access: yes, 2018
The nonunity quantum efficiency (QE) in photodiodes (PD) causes deterioration of signal quality in quantum optical experiments due to photocurrent loss as well as the introduction of vacuum fluctuations into the measurement. In this paper, we report that
Adhikari, Rana X   +3 more
core   +2 more sources

Monopoly, Quality, and Network Externalities [PDF]

open access: yes, 1998
We describe the behaviour of a monopolist supplying a vertically differentiated good with network externalities. Assuming a fixed cost of quality improvements, we show that the presence of network externalities enhances the incentive to expand output associated with scale economies.
LAMBERTINI, LUCA, ORSINI, RAIMONDELLO
openaire   +5 more sources

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