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Our goal was to elucidate the dynamic expression and distribution of the nuclear factor erythroid-derived factor 2-related factor 1 (Nrf1) by immunohistochemistry, Western blotting, and real-time PCR during wound healing of contused skeletal muscle in rats. An animal model of skeletal muscle contusion was established in 40 Sprague-Dawley male healthy rats.(More)
BACKGROUND The aim of the study was to promote the establishment and implementation of quality indicators (QIs) in clinical laboratories, catch up with the state of art, and provide preliminary quality specifications for established QIs. METHODS Clinical laboratories from different provinces in China were included in this QIs survey in 2015. All(More)
BACKGROUND The aim of this study was to use Six Sigma(SM) (Motorola Trademark Holdings, Libertyville, IL) techniques to analyze the quality of point-of-care (POC) glucose testing measurements quantitatively and to provide suggestions for improvement. MATERIALS AND METHODS In total, 151 laboratories in China were included in this investigation in 2014.(More)
INTRODUCTION To investigate the state of the art of intra-laboratory turnaround time (intra-TAT), provide suggestions and find out whether laboratories accredited by International Organization for Standardization (ISO) 15189 or College of American Pathologists (CAP) will show better performance on intra-TAT than non-accredited ones. MATERIALS AND METHODS(More)
BACKGROUND The nationwide external quality assessment (EQA) of tumor markers in China has been launched for years. The quality of the performance of Chinese clinical laboratories on tumor markers is partly reflected through analysis of EQA results. This report presents an 8-year EQA result of the six most common tumor markers from 2006 to 2013. METHODS(More)
BACKGROUND Free β subunit of human chorionic gonadotropin (free β-hCG) and pregnancy-associated plasma protein A (PAPP-A) are two important biomarkers in first-trimester prenatal screening. This study intended to reflect their analytical performance in clinical laboratories and main platforms of the 2015 External Quality Assessment (EQA) scheme for the(More)
OBJECTIVE To analyze the sources of reference intervals and distribution of medical decision levels in NT-proBNP, BNP and homocysteine (Hcy) based on the feedback of laboratories which participated in the 2014 External Quality Assessment (EQA) program in China. METHODS Information of reference intervals and medical decision levels was collected from the(More)
A vertical flow constructed wetland was combined with a biological aerated filter to develop an ecological filter, and to obtain the optimal operating parameters: The hydraulic loading was 1.55 m3/(m2·d), carbon-nitrogen ratio was 10, and gas-water ratio was 6. The experimental results demonstrated considerable removal efficiency of chemical oxygen demand(More)