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| 1 | Anticancer effects of saponin and saponin–phospholipid complex of Panax notoginseng grown in Vietnam显示文摘Objective:To evaluate the antitumor activity both in vitro and in vivo of saponin–phospholipid complex of Panax notoginseng.Methods:The in vitro cytotoxic effect of saponins extract and saponin–phospholipid complex against human lung cancer NCI-H460 and breast cancer cell lines BT474 was examined using MTS assay.For in vivo evaluation of antitumor potential,saponin and saponin–phospholipid complex were administered orally in rats induced mammary carcinogenesis by 7,12-dimethylbenz(a)anthracene,for 30 days.Results:Our data showed that saponin–phospholipid complex had stronger anticancer effect compared to saponin extract.The IC50 values of saponin–phospholipid complex and saponin extract for NCI-H460 cell lines were 28.47 mg/m L and 47.97 mg/mL,respectively and these values for BT474 cells were 53.18 mg/mL and 86.24 mg/mL,respectively.In vivo experiments,administration of saponin,saponin–phospholipid complex and paclitaxel(positive control) effectively suppressed 7,12-dimethylbenz(a) anthracene-induced breast cancer evidenced by a decrease in tumor volume,the reduction of lipid peroxidation level and increase in the body weight,and elevated the enzymatic antioxidant activities of superoxide dismutase,catalase,glutathione peroxidase in rat breast tissue.Conclusions:Our study suggests that saponin extract from Panax notoginseng and saponin–phospholipid complex have potential to prevent cancer,especially breast cancer. | Thu Dang Kim Hai Nguyen Thanh Duong Nguyen Thuy Loi Vu Duc Thu Vu Thi Hung Vu Manh Patcharee Boonsiri Tung Bui Thanh | 2016 | Asian Pacific Journal of Tropical Biomedicine2016，6，9： | 2 |
| 2 | Antioxidant activity and principles of Vietnam bitter tea Ilex kudingcha显示文摘 | Phuong Thien Thuong Nguyen Duy Su Tran Minh Ngoc Tran Manh Hung Nguyen Hai Dang Nguyen Duy Thuan KiHwan Bae Won Keun Oh | 2008 | Food Chemistry2008，，1： | 2 |
| 3 | Ecoregional variations of aboveground biomass and stand structure in evergreen broadleaved forests显示文摘Biotic and abiotic factors control aboveground biomass(AGB)and the structure of forest ecosystems.This study analyses the variation of AGB and stand structure of evergreen broadleaved forests among six ecoregions of Vietnam.A data set of 1731-ha plots from 52 locations in undisturbed old-growth forests was developed.The results indicate that basal area and AGB are closely correlated with annual precipitation,but not with annual temperature,evaporation or hours of sunshine.Basal area and AGB are positively correlated with trees>30 cm DBH.Most areas surveyed(52.6%)in these old-growth forests had AGB of 100–200 Mg ha^-1;5.2%had AGB of 400–500 Mg ha^-1,and 0.6%had AGB of>800 Mg ha^-1.Seventy percent of the areas surveyed had stand densities of 300–600 ind.ha^-1,and 64%had basal areas of 20–40 m^2 ha^-1.Precipitation is an important factor influencing the AGB of old-growth,evergreen broadleaved forests in Vietnam.Disturbances causing the loss of large-diameter trees(e.g.,>100 cm DBH)affects AGB but may not seriously affect stand density. | Tran Van Do Mamoru Yamamoto Osamu Kozan Vo Dai Hai Phung Dinh Trung Nguyen Toan Thang Lai Thanh Hai Vu Thanh Nam Trieu Thai Hung Hoang Van Thang Tran Duc Manh Cao Chi Khiem Vu Tien Lam Nguyen Quang Hung Tran Hoang Quy Pham Quang Tuyen Trinh Ngoc Bon Nguyen Thi Thu Phuong Ninh Viet Khuong Nguyen Van Tuan Dang Thi Hai Ha Tran Hai Long Dang Van Thuyet Dang Thinh Trieu Nguyen Van Thinh Tran Anh Hai Duong Quang Trung Nguyen Van Bich Dinh Hai Dang Pham Tien Dung Nguyen Huy Hoang Le Thi Hanh Phan Minh Quang Nguyen Thi Thuy Huong Hoang Thanh Son Nguyen Thanh Son Nguyen Thi Van Anh Nguyen Thi Hoai Anh Pham Dinh Sam Hoang Thi Nhung Hoang Van Thanh Nguyen Huu Thinh Tran Hong Van Ho Trung Luong Bui Kieu Hung | 2020 | Journal of Forestry Research2020，31，5： | 1 |
| 4 | A meshless method with enriched weight functions for fatigue crack growth 显示文摘 | Duflot M Hung Nguyen dang | 2004 | Inte mational Journal for Numerical Methods in Engineering2004，59，： | 1 |
| 5 | Analysis of cracked plates and shells using 'metis' finite element model显示文摘 | | 2004 | Finite Elements in Analysis and Design2004，40，8： | 1 |
| 6 | Corrosion behavior of TiN,TiA1N,TiA1SiN- coated 316L stainless steel in simulated proton exchange membrane fuel cell environment显示文摘 | Nguyen Dang Nam Mahesh Vaka Nguyen Tran Hung | 2014 | Journal of Power Sources2014，268，： | 1 |
| 7 | Analysis of cracked plates and shells using'metis' finite element model 显示文摘 | Nguyen Dang Hung Tran Thanh Ngoc | 2004 | Finite Elements in Analysis and Design2004，，40： | 1 |
| 8 | Xanthones from Polygala karensium inhibit neuraminidases from influenza A viruses 显示文摘 | Trong Tuan Dao Thai Trung Dang Phi Hung Nguyen | | Bioorganic & Medicinal Chemistry Letters0，22，11： | 1 |
| 9 | 基于欧洲规范3中三维钢框架塑性铰分析的局部屈曲检验显示文摘根据欧洲规范3,对于I形截面三维钢框架塑性铰,建议采用局部屈曲检验的方法。提出轴力和双向弯矩下横截面应力分布的实用方法,可直接采用横截面分类的概念。欧洲规范3中,对于满足横截面要求的塑性铰整体分析也适用于局部屈曲检验。按照所提出的方法,通过二阶塑性铰分析,对2个不同构件尺寸的三维钢构架进行研究。介绍了大量塑性铰局部屈曲检验的情况。 | Hoang Van Long Nguyen Dang Hung | 2009 | 钢结构2009，，1： | 0 |
| 10 | 越南东北部Cat Ba岛泥盆系-石炭系过渡层的初探(英文)显示文摘The Pho Han Formation is exposed on southern Cat Ba Island,Hai Phong Province in northeastern Vietnam,and intercalates the Devonian and Carboniferous(D-C) boundary(Ta and Doan,2007;Komatsu et al.,2012).The D-C boundary section consists mainly of limestone beds, | Toshifumi KOMATSU Reishi TAKASHIMA TA Hoa PHUONG Tran Huyen DANG Duc Phong NGUYEN Huu Hung NGUYEN Satoru KATO Kento HIRATA Takumi MAEKAWA | 2012 | 地球学报2012，33，S1： | 0 |
| 11 | An Analytical Approach for Nonlinear Buckling Analysis of Torsionally Loaded Sandwich Carbon Nanotube Reinforced Cylindrical Shells with Auxetic Core显示文摘The main aim of this paper is to present an analytical approach on the postbuckling for torsionally loaded sandwich carbon nanotube(CNT)reinforced cylindrical shells with the auxetic core.The considered shells consist of three layers,external and internal CNT reinforced layers,and the auxetic lattice core made by isotropic material.The homogenization model for honeycomb auxetic lattice core is utilized,and the equilibrium equations are formulated based on the nonlinear Donnell’s thin shell theory with von Karman geometrical nonlinearities.The three terms of deflection are considered,the Airy’s stress function and Galerkin’s method are utilized,the explicit expression of critical buckling of torsionally loaded shells and load-deflection expression of postbuckling states are achieved.The effects of two carbon nanotube reinforced layers,the auxetic core layer,the volume fraction of carbon nanotube on the torsional buckling behavior are examined and remarked. | Dang Thuy Dong Nguyen Thi Phuong Vu Hoai Nam Le Ngoc Ly Nguyen Van Tien Vu Minh Duc Tran Quang Minh Vu Tho Hung Nguyen Thi Huong Giang | 2023 | Advances in Applied Mathematics and Mechanics2023，15，2： | 0 |
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