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Generating highly active oxide-phosphide heterostructure through interfacial engineering to break the energy scaling relation toward urea-assisted natural seawater electrolysis

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Journal of Energy Chemistry 2024年第10期97卷 687-699页

作者： Ngoc Quang Tran Nam Hoang Vu Jianmin Yu Khanh Vy Pham Nguyen thuy Tien Nguyen Tran thuy-kieu truong Lishan Peng Thi Anh Le Yoshiyuki Kawazoe Center for Innovative Materials and Architectures Vietnam National University Faculty of Materials Science and Technology University of Science Key Laboratory of Rare Earths Ganjiang Innovation Academy Chinese Academy of Sciences Department of Mechanical Engineering Hanbat National University (HBNU) School of Chemical Engineering-Hanoi University of Science and Technology New Industry Creation Hatchery Center Tohoku University

Urea-assisted natural seawater electrolysis is an emerging technology that is effective for grid-scale carbon-neutral hydrogen mass production yet *** scaling relations is an effective strategy to break through the bottleneck of natural seawater ***,by DFT calculation,we demonstrated that the interface boundaries between Ni2P and MoO2play an essential role in the selfrelaxation of the Ni-O interfacial bond,effectively modulating a coordination number of intermediates to control independently their adsorption-free energy,thus circumventing the adsorption-energy scaling *** this conceptual model,a well-defined 3D F-doped Ni2P-MoO2heterostructure microrod array was rationally designed via an interfacial engineering strategy toward urea-assisted natural seawater *** a result,the F-Ni2P-MoO2exhibits eminently active and durable bifunctional catalysts for both HER and OER in acid,alkaline,and alkaline sea water-based *** in-situ analysis,we found that a thin amorphous layer of NiOOH,which is evolved from the Ni2P during anodic reaction,is real catalytic active sites for the OER and UOR ***,such electrode-assembled urea-assisted natural seawater electrolyzer requires low voltages of 1.29 and 1.75 V to drive 10 and600 mA cm-2and demonstrates superior durability by operating continuously for 100 h at 100 mA cm-2,beyond commercial Pt/C || RuO2and most previous reports.

关键词： Break scaling relationships Doping Interfacial engineering Natural seawater splitting Urea electrolysis

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A Study on Optimizing the Double-Spine Type Flow Path Design for the Overhead Transportation System Using Tabu Search Algorithm

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Intelligent Automation & Soft Computing 2024年第2期39卷 255-279页

作者： Nguyen Huu Loc Khuu thuy Duy truong Quoc Dien Le Tran Thanh Cong Vu Hoa Binh Tran Tuong Quan Vo Department of Mechatronics Faculty of Mechanical EngineeringHo Chi Minh City University of Technology(HCMUT)Ho Chi Minh CityVietnam Bach Khoa Research Center for Manufacturing Engineering Ho Chi Minh City University of Technology(HCMUT)Ho Chi Minh CityVietnam VietnamNational University Ho ChiMinh City Ho ChiMinh CityVietnam

Optimizing Flow Path Design(FPD)is a popular research area in transportation system design,but its application to Overhead Transportation Systems(OTSs)has been *** study focuses on optimizing a double-spine flow path design for OTSs with 10 stations by minimizing the total travel distance for both loaded and empty *** employ transportation methods,specifically the North-West Corner and Stepping-Stone methods,to determine empty vehicle travel ***,the Tabu Search(TS)algorithm is applied to branch the 10 stations into two main layout *** results obtained from our proposed method demonstrate a reduction in the objective function value compared to the initial feasible ***,we explore howchanges in the parameters of the TS algorithm affect the optimal *** validate the feasibility of our approach by comparing it with relevant literature and conducting additional tests on layouts with 20 and 30 stations.

关键词： Overhead transportation systems tabu search double-spine layout transportationmethod empty travel flow path design

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Compensation of Zn substitution and secondary phase controls effective mass and weighted mobility in In and Ga co-doped ZnO material

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Journal of Materiomics 2021年第4期7卷 742-755页

作者： Oanh kieu truong Le Anh Tuan Thanh Pham Ngoc Kim Pham Trang Huyen Cao Pham truong Huu Nguyen Dung Van Hoang Hanh kieu Thi Ta Dai Cao truong Hoa Thi Lai thuy Dieu Thi Ung Vinh Cao Tran Thang Bach Phan aboratory of Advanced Materials University of ScienceHoChiMinh City700000Viet Nam Vietnam National University HoChiMinh City700000Viet Nam Faculty of Physics and Engineering Physics University of ScienceHoChiMinh City700000Viet Nam Faculty of Materials Science and Technology University of ScienceHoChiMinh City700000Viet Nam Center for Innovative Materials and Architectures(INOMAR) HoChiMinh CityViet Nam Institute of Materials Science Vietnam Academy of Science and TechnologyHanoi100000Viet Nam

Conductivity s and thermal conductivity k are directly related to carrier concentration while Seebeck coefficient S is inversely proportional to carrier ***,improving thermoelectric(TE)performance is ***,the first-time analysis of secondary phase-controlled TE performance in terms of density-of-state effective mass m*d,weighted mobility mw and quality factor B is discussed in ZnO *** results show that the secondary spinel phase Ga2O_(3)(ZnO)9 not only impacts on k but also on s and S at high temperature,while the effect of carrier concentration seem to be dominant at low *** the high-spinel-segregation sample,a compensation of dopant atoms from the spinel to substitutional sites in the ZnO matrix at high temperature leads to a low decreased rate of temperaturedependent m**** compensation process also induces a band sharpening,a small mw reduction,and a large B *** a result,In and Ga co-doped ZnO bulk with the highest spinel segregation achieves the greatest PF improvement by 112.8%,owing to enhanced Seebeck coefficient by 110%as compared to the good Zn-substitution sample.

关键词： Thermoelectrics In and Ga co-Doped ZnO Secondary phase Zn substitution DOS effective Mass Weighted mobility

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Green Synthesis of Silver Nanoparticles Using Plectranthus Amboinicus Leaf Extract for Preparation of CMC/PVA Nanocomposite Film

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Journal of Renewable Materials 2021年第8期9卷 1393-1411页

作者： Nguyen Thi Thanh thuy Le Hoang Huy truong thuy Vy Nguyen Thi Thanh Tam Bien ThiLan Thanh Nguyen Thi My Lan Nong Lam University Ho Chi Minh City Ho Chi Minh City700000Vietnam Industrial University of Ho Chi Minh City Ho Chi Minh City700000Vietnam University of Science Viet Nam National University Ho Chi Minh CityHo Chi Minh City700000Vietnam

In the present study,the biogenic silver nanoparticles have been synthesized using aqueous leaf extract of Plectranthus amboinicus(PA),which acted as both reducing and stabilizing *** PA synthesized silver nanoparticles were blended with carboxymethyl cellulose/polyvinyl alcohol(CMC/PVA)*** prepared AgNPs as well as the biogenic AgNPs incorporated CMC/PVA films were investigated using UV-visible spectrophotometry,Fourier-transform infrared spectroscopy(FT-IR),dynamic light scattering(DLS),scanning electron microscope(SEM),and X–ray diffraction(XRD).The DLS results showed that biogenic AgNPs had the average particle size of 65.70 nm with polydispersity index of *** surface plasmon resonance of AgNPs,which was determined by UV-vis spectrophotometry,showed the value of 410.00 *** results therefore confirmed the reduction Ag+into Ag°and the formation of AgNPs in the *** SEM imaging showed that AgNPs was quasi-spherical and *** XRD peaks at 33.07°,44.19°,64.58°and 77.47°confirmed the crystalline nature and presence of *** CMC/PVA films that incorporated with AgNPs displayed best mechanical strength and morphological properties than the pure CMC/PVA *** film of CMC/PVA-AgNPs exhibited significant antibacterial activities against Bacillus spizizenii,Staphylococcus aureus,Salmonella typhi and Escherichia Coli.

关键词： Carboxymethyl cellulose antibacterial green synthesis silver nanoparticles plectranthus amboinicus polyvinyl alcohol

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Surface PEGylation of hollow mesoporous silica nanoparticles via aminated intermediate

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Progress in Natural Science:Materials International 2019年第6期29卷 612-616页

作者： Thi Ngoc Tram Nguyen Diem-Huong Nguyen-Tran Long Giang Bach Tran Hoang Du truong Ngoc thuy Trang Le Dai Hai Nguyen Tra Vinh University Institute of Applied Materials Science Vietnam Academy of Science and Technology Graduate University of Science and Technology Vietnam Academy of Science and Technology Nguyen Tat Thanh University 5. Institute of Research and Development Duy Tan University

A hybrid of organic/inorganic system, hollow mesoporous silica nanoparticles functionalized with poly(ethylene glycol), was synthesized in the presence of coupling agent and aminated ends. Doxorubicin(DOX) was used as a model drug to evaluate the effect of PEGylation on the loading capacity and release pattern of the *** with transmission electron microscopy(TEM) and scanning electron microscopy(SEM), X-ray diffraction(XRD), nitrogen adsorption-desorption, thermogravimetric analysis(TGA) and Fourier transformed infrared(FTIR) confirmed the PEG conjugation, as well as the amorphous mesoporous nature of the synthesized particles. Due to the capping effect of PEG molecules over the pores in the silica structure, the synthesized system was able to retain higher amount of cargo and establish a controlled manner when releasing.

关键词： Hollow mesoporous silica nanoparticles mPEG PEGylation Surface modification

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Brain endothelial cell-derived extracellular vesicles with a mitochondria-targeting photosensitizer effectively treat glioblastoma by hijacking the blood-brain barrier

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药学学报:英文版 2023年第9期13卷 3834-3848页

作者： thuy Giang Nguyen Cao Ji Hee Kang Su Jin Kang Quan truong Hoang Han Chang Kang Won Jong Rhee Yu Shrike Zhang Young Tag Ko Min Suk Shim Division of Bioengineering Incheon National UniversityIncheon 22012Republic of Korea College of Pharmacy Gachon UniversityIncheon 21936Republic of Korea Department of Pharmacy Integrated Research Institute of Pharmaceutical Sciencesand BK21 PLUS Team for Creative Leader Program for Pharmacomics-based Future PharmacyCollege of Pharmacythe Catholic University of KoreaGyeonggi-do 14662Republic of Korea Research Center for Bio Materials&Process Development Incheon National UniversityIncheon 22012Republic of Korea Division of Engineering in Medicine Department of MedicineBrigham and Women’s HospitalHarvard Medical SchoolCambridgeMA 02139USA

Glioblastoma(GBM)is the most aggressive malignant brain tumor and has a high mortality *** therapy(PDT)has emerged as a promising approach for the treatment of malignant brain ***,the use of PDT for the treatment of GBM has been limited by its low blood-brain barrier(BBB)permeability and lack of cancer-targeting ***,brain endothelial cell-derived extracellular vesicles(bEVs)were used as a biocompatible nanoplatform to transport photosensitizers into brain tumors across the *** enhance PDT efficacy,the photosensitizer chlorin e6(Ce6)was linked to mitochondria-targeting triphenylphosphonium(TPP)and entrapped into *** Ce6(TPP-Ce6)selectively accumulated in the mitochondria,which rendered brain tumor cells more susceptible to reactive oxygen species-induced apoptosis under light ***,the encapsulation of TPP-Ce6 into b EVs markedly improved the aqueous stability and cellular internalization of TPP-Ce6,leading to significantly enhanced PDT efficacy in U87MG GBM *** in vivo biodistribution study using orthotopic GBM-xenografted mice showed that b EVs containing TPP-Ce6[b EV(TPP-Ce6)]substantially accumulated in brain tumors after BBB penetration via transferrin receptor-mediated *** such,b EV(TPP-Ce6)-mediated PDT considerably inhibited the growth of GBM without causing adverse systemic toxicity,suggesting that mitochondria are an effective target for photodynamic GBM therapy.

关键词： Extracellular vesicle Chlorin e6 Triphenylphosphonium Mitochondria-targeting photosensitizer Photodynamic therapy Blood-brain barrier Glioblastoma Transferrin receptor

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Granulocyte colony-stimulating factor reduces biliary fibrosis and ductular reaction in a mouse model of chronic cholestasis

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Liver Research 2023年第1期7卷 90-98页

作者： Trinh Van Le Thanh Minh Dang Huy Quang Do Ai-Xuan Le Holterman Hong-thuy Phan-Thi Thong Tan Tran Nhung Hai truong Laboratory of Stem Cell Research and Application University of Science-VNUHCMHo Chi Minh CityVietnam Vietnam National University Ho Chi Minh CityVietnam Department of Pediatrics and Surgery University of Illinois College of MedicineChicagoILUSA Faculty of Biology and Biotechnology University of Science-VNUHCMHo Chi Minh CityVietnam

Background:Biliary atresia is a rare congenital bile duct disease that is the leading cause of liver fibrosis in *** colony-stimulating factor(GCSF)is a potential therapy for hepatocellular diseases,but data on GCSF for cholestatic conditions remain *** and methods:The current study examines the role of GCSF in improving bile duct obstruction in *** doses were administered:10.0 mg/kg/day and 61.5 mg/kg/day,which is the animal equivalent dose of 5.0 mg/kg in *** days(D7)after bile duct ligation(BDL),Swiss mice were treated with phosphate buffered saline or GCSF for 5 *** intrahepatic adaptive response of BDL mice was evaluated on postsurgical days D12,D19,and ***:Treatment with 61.5 mg/kg of GCSF resulted in a significant increase in circulating leukocytes and neutrophils on *** of liver injury,as shown by reduced aspartate aminotransferase levels,increased albumin levels and survival rate,as well as reduced intrahepatic inflammation and hepatic myeloperoxidase expression,downregulated ductular proliferation,periportal fibroblast activation,and fibrosis,enhanced expressions of hepatocyte growth factor,peroxisome proliferator-activated receptoralpha,and ki67,and suppressed expression of cleaved caspase-3 protein,was noted after treatment with 61.5 mg/kg of ***,GCSF treatment was associated with an increased number of intrahepatic cd3-Sca1tc-Kitt bone marrow cells.

关键词： Bile duct ligation(BDL) Biliary fibrosis Ductular reaction Granulocyte colony-stimulating factor(GCSF) Hepatic stellate cell(HSC)

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Brunner’s gland hyperplasia associated with lipomatous pseudohypertrophy of the pancreas presenting with gastrointestinal bleeding:A case report

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World Journal of Clinical Cases 2021年第31期9卷 9670-9679页

作者： Long Cong Nguyen Khanh truong Vu Trang Thi thuy Vo Chau Ha Trinh Tan Dang Do Ngoc Thi Van Pham Tuyen Van Pham Thanh Tuan Nguyen Hiep Canh Nguyen Jeong-Sik Byeon Gastroenterology and Hepatology Center Bach Mai HospitalHanoi 10000Viet Nam Department of Gastroenterology School of Medicine and PharmacyVietnam National University HanoiHanoi 10000Viet Nam Radiology Center Bach Mai HospitalHanoi 10000Viet Nam Pathology Center Bach Mai HospitalHanoi 10000Viet Nam Department of Human Pathology Kanazawa University Graduate School of MedicineKanazawa 920-8640Japan Department of Gastroenterology Asan Medical CenterUniversity of Ulsan College of MedicineSeoul 05505South Korea

BACKGROUND Brunner’s gland hyperplasia(BGH)is a rare benign lesion of the *** pseudohypertrophy(LiPH)of the pancreas is an extremely rare *** each condition is rare,the probability of purely coincidental coexistence of both conditions is extremely *** SUMMARY We report a 26-year-old man presenting to our hospital with symptoms of recurrent upper gastrointestinal *** gastrointestinal endoscopy showed a huge pedunculated polypoid lesion in the duodenum with bleeding at the base of the *** examination of the duodenal biopsy specimens showed ***,abdominal computed tomography and magnetic resonance imaging revealed marked fat replacement over the entire pancreas,confirmed by histopathological evaluation on percutaneous pancreatic *** on the radiological and histological findings,LiPH of the pancreas and BGH were *** patient refused any surgical ***,he was managed with supportive *** patient’s symptoms improved and there was no further *** This is the first well-documented case showing the coexistence of LiPH of the pancreas and BGH.

关键词： Lipomatous pseudohypertrophy Pancreas Gastrointestinal bleeding Brunner’s gland Case report

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RASSFIA Promoter Hypermethylation as a Prognosis and Diagnosis for Breast Cancer in Vietnamese Population

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Journal of Life Sciences 2014年第4期8卷 316-321页

作者： truong Kim Phuong Lao Duc Thuan Doan Thi Phuong Thao Le Huyen Ai thuy Falculty of Biotechnology Ho Chi Minh City Open University Ho Chi Minh City 70000 Vietnam Falculty of Medicine Ho Chi Minh City Medical University Ho Chi Minh City 70000 Vietnam

Aberrant tumor suppressor gene promoter methylation was associated with the several cancers, including breast cancer, which was the common female deaths in most countries involved in Vietnam. The methylation in tumor suppressor genes, including RASSFIA, were the key targets of establishing the potential biomarkers for prognosis and early diagnosis of breast cancer. In present study, with the aim towards using the hypermethylation at CpG islands of promoter of RASSFIA as the biomarker for breast cancer in Vietnamese population, MSP （methyl specific PCR） was carried out to analyze the hypermethylation status ofRASSFIA gene in 115 samples including 95 breast cancer specimens and 20 normal breast tissues from another disease （not breast cancer）. All samples were obtained from Ho Chi Minh City Medical Hospital, Vietnam. The known predictive and prognostic factors： HER2/neu overexpression was immunohistochemistry stained as input value for breast cancer specimens. For input value confirmed, the overexpression of p53 protein was also analyzed together with prior immunochemical assay. The results indicated that the hypermethylation of frequencies for methylation of given gene reached 42.1% （P 〈 0.05）. In addition, the DNA hypermethylation of RASSFIA gene increased the possibility to be breast cancer with high incidence via calculated of odd ratio （P 〈 0.05）. In conclusion, the hypermethylation of candidate genes could be used as the promising biomarkers applying in Vietnamese breast cancer patients.

关键词： RASSFIA hypermethylation MSP bisulfite modification breast cancer.

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Preparation and Characterization of Silver Doped ZnO Nanostructures

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Open Journal of Synthesis Theory and Applications 2012年第2期1卷 18-22页

作者： Nguyen Van Nghia Tran Nam Trung Nguyen Ngoc Khoa truong Doan Minh thuy Department of Physics Quy Nhon University Quy Nhon Vietnam

ZnO was prepared by hydrothermal method. The result of scanning electron microscopy showed that the materials had nano rod structures. Ag-doped ZnO was prepared by UV-photoreduction. Crystalline phases and optical absorption of the prepared Ag-doped ZnO samples were determined by X-ray diffraction, Raman spectrum, UV-visible, and UV- photoreduction spectrophotometer. X-ray analyses revealed that Ag was doped ZnO crystallizes in hexagonal wurtzite structure. The incorporation of Ag+ in the site of Zn2+ provoked an increase in the size of nanocrystals as compared to pure ZnO. The photocatalytic and photoluminescence properties of materials were considered.

关键词： Nanostructures Photocatalysis Hydrothermal ZnO Silver Doping

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