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Advanced Magnetic Materials Produced by Using Rapid Quenching Technology
Nguyen Hoang Nghi,Nguyen Van Dung,Trinh Thi Thanh Nga,Bui Thi Khanh Nhung,Mai Thanh Tung,Nguyen Huu Tinh,Hoang Nhat Hieu,Bui Xuan Chien,Nguyen Thi Hong Tam 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.52 No.6
Amorphous alloys produced by using a rapid quenching technique are considered to be a precursor for producing nanosized and multiphase structures by precipitation (the top-down method). By using this technique, several new magnetic materials with different magnetic properties based on different physical mechanisms have been manufactured and investigated. Three new magnetic materials, a nanocrystalline soft magnetic material, a soft-hard permanent magnet and a Me-3d granular alloy with a GMR effect, what were prepared under local conditions, are presented and discussed in the experimental point of view. Amorphous alloys produced by using a rapid quenching technique are considered to be a precursor for producing nanosized and multiphase structures by precipitation (the top-down method). By using this technique, several new magnetic materials with different magnetic properties based on different physical mechanisms have been manufactured and investigated. Three new magnetic materials, a nanocrystalline soft magnetic material, a soft-hard permanent magnet and a Me-3d granular alloy with a GMR effect, what were prepared under local conditions, are presented and discussed in the experimental point of view.
Long, Nguyen Phuoc,Park, Seongoh,Anh, Nguyen Hoang,Nghi, Tran Diem,Yoon, Sang Jun,Park, Jeong Hill,Lim, Johan,Kwon, Sung Won MDPI 2019 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.20 No.2
<P>The advancement of bioinformatics and machine learning has facilitated the discovery and validation of omics-based biomarkers. This study employed a novel approach combining multi-platform transcriptomics and cutting-edge algorithms to introduce novel signatures for accurate diagnosis of colorectal cancer (CRC). Different random forests (RF)-based feature selection methods including the area under the curve (AUC)-RF, Boruta, and Vita were used and the diagnostic performance of the proposed biosignatures was benchmarked using RF, logistic regression, naïve Bayes, and k-nearest neighbors models. All models showed satisfactory performance in which RF appeared to be the best. For instance, regarding the RF model, the following were observed: mean accuracy 0.998 (standard deviation (SD) < 0.003), mean specificity 0.999 (SD < 0.003), and mean sensitivity 0.998 (SD < 0.004). Moreover, proposed biomarker signatures were highly associated with multifaceted hallmarks in cancer. Some biomarkers were found to be enriched in epithelial cell signaling in <I>Helicobacter pylori</I> infection and inflammatory processes. The overexpression of <I>TGFBI</I> and <I>S100A2</I> was associated with poor disease-free survival while the down-regulation of <I>NR5A2</I>, <I>SLC4A4</I>, and <I>CD177</I> was linked to worse overall survival of the patients. In conclusion, novel transcriptome signatures to improve the diagnostic accuracy in CRC are introduced for further validations in various clinical settings.</P>
Quoc Nghi NGUYEN,Van Ba HUYNH,Van Nam MAI,Thi Hong Loc HOANG 한국유통과학회 2021 The Journal of Asian Finance, Economics and Busine Vol.8 No.12
In the context of economic integration and fierce competition, organizations are very concerned about customer orientation so as to build close relationships and ensure customer satisfaction and improve customer loyalty. In company strategy, customer relationship orientation is critical. Customer satisfaction and loyalty will improve if employees perform well in the customer-oriented process. The study’s purpose is to examine the links between doctors’ job happiness, customer orientation, customer satisfaction, and customer loyalty in international hospitals in Vietnam. In international hospitals, data was collected from 204 clinicians and 408 patients. By applying structural equation modeling. The study found that doctors’ job satisfaction had a significant impact on customer orientation and satisfaction in international hospitals. Customer satisfaction may be improved with a good customer orientation. The doctors’ job satisfaction and effective customer orientation improve customer satisfaction and loyalty towards international hospitals in Vietnam, thanks to the impact of spreading emotions. In particular, if doctors are satisfied with their jobs, it promotes customer satisfaction when using medical services at international hospitals. The study has proved the essential role of customer-oriented strategy and doctors’ job satisfaction in customer satisfaction and loyalty towards international hospitals.