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    题名 作者 年代 出处 被引量
1Microwave Synthesis of Large Few-Layer Graphene Sheets in Aqueous Solution of Ammonia显示文摘Few-layer graphene (FLG) sheets with sizes exceeding several micrometers have been synthesized by exfoliation of expanded graphite in aqueous solution of ammonia under microwave irradiation, with an overall yield approaching 8 wt.%. Transmission electron microscopy (in bright-field and dark-field modes) together with electron diffraction patterns and atomic force microscopy confirmed that this graphene material consisted mostly of mono-, bi- or few-layer graphene (less than ten layers). The high degree of surface reduction was confirmed by X-ray photoelectron and infrared spectroscopies. In addition, the high stability of the FLG in the liquid medium facilitates the deposition of the graphene material onto several substrates via low-cost solution-phase processing techniques, opening the way to subsequent applications of the material.Izabela Janowska Kambiz Chizari Ovidiu Ersen Spyridon Zafeiratos Driss Soubane Victor Da Costa Virginie Speisser Christine Boeglin Matthieu Houllé Dominique Bégin Dominique Plee Marc-Jacques Ledoux Cuong Pham-Huu 2010Nano Research2010,3,2:22
2Effects of Silicon-Based Fertilizer on Growth, Yield and Nutrient Uptake of Rice in Tropical Zone of Vietnam显示文摘Application of silicon(Si) could greatly boost rice yield and mitigate abiotic stress,especially drought.A field experiment was conducted during 2015 at the research farm of Hong Duc University,Thanh Hoa City,Vietnam,to evaluate the effects of five different combined doses of standard fertilizer practice and Si fertilizer on growth,yield and yield components,as well as nutrient uptake of rice.The treatments consisted of the recommended dose of fertilizer(RDF,110 kg/hm^2 N + 90 kg/hm^2 P_2O_5 + 80 kg/hm^2 K_2O) as the control,RDF + 100 kg/hm^2 SiO_2,RDF + 200 kg/hm^2 SiO_2,RDF + 300 kg/hm^2 SiO_2 and RDF + 400 kg/hm^2 SiO_2.The results showed that the growth,grain and straw yields as well as yield components(number of grains per panicle,seed-setting rate and 1000-grain weight) were significantly affected by Si application.The highest grain yield of 3 705 kg/hm^2 was obtained with the highest level of Si fertilizer in combination with RDF(RDF + 400 kg/hm^2 SiO_2),however,it was statistically at par with the yields obtained with RDF + 300 kg/hm^2 SiO_2(3 664 kg/hm^2) and RDF + 200 kg/hm^2 SiO_2(3 621 kg/hm^2).The optimum dose of Si fertilizer with maximized grain yield(3 716 kg/hm^2) was 329 kg/hm^2 SiO_2.The nutrient(Si,N,P and K) uptakes of rice were also significantly enhanced by Si application.Si application at the level of 329 kg/hm^2 along with RDF would help in the sustainable production of rice in the tropical zone of Vietnam.Tran Xuan CUONG Hayat ULLAH Avishek DATTA Tran Cong HANH 2017Rice science2017,24,5:16
3基于计算思维视角的程序设计教学改革研究显示文摘从建立和训练学生计算思维能力的角度出发,提出将可视化编程开发环境RAPTOR引入《C语言程序设计》课程的思路,并以此为依据采用了基于翻转课堂的项目化教学模式实施教学改革。结果表明,将RAPTOR引入教学的可操作性强,可以帮助学生深入理解编程思想及编程方法,提高计算思维能力。刘琼 史诺 Tran Van Cuong 2015自动化与仪器仪表2015,,12:11
4拖拉机前桥半主动悬架特性参数匹配与控制显示文摘针对拖拉机减振性能差的问题,以定位阀输入电压与磁流变减振器励磁电流作为半主动悬架特性参数,进行了参数匹配台架试验。基于匹配试验结果,提出频域快速控制策略,采用LabView作为软件开发平台,以PCI6024E型数据采集卡为核心设计了半主动悬架控制系统,进行了试验验证。结果表明,定位阀输入电压与磁流变减振器励磁电流的合理匹配,可明显衰减悬架动态特性响应;所设计的半主动悬架控制系统能有效抑制簧载质量的垂向振动,改善拖拉机减振性能。马然 朱思洪 Do Minh Cuong 2013农业机械学报2013,44,12:9
5咖啡豆的烘焙条件对其成分含量的影响研究显示文摘用凯氏定氮法、可见分光光度法、滴定管法、马弗炉法和索氏抽提法等分析检测手段及SPSS17.0数据统计分析软件,研究了烘焙条件对越南罗巴斯达咖啡生豆和烘焙豆的蛋白质、总糖、淀粉、脂肪和灰分等品质成分的影响。结果表明,越南罗巴斯达咖啡属于蛋白质含量较高、脂肪含量低的咖啡豆品种,随烘焙程度和烘焙温度的增加,其蛋白质和淀粉含量先升高后稍下降、总糖含量却显著降低、脂肪和灰分含量明显增高,各成分变化范围:蛋白质含量14.50%~17.20%、淀粉含量16.30%~25.30%、总糖含量0.687%~4.340%、脂肪含量7.64%~12.50%,灰分含量3.47%~5.23%。Tran Van Cuong 张宗玲 郭康权 夏南 商晋 陈贤情 2016食品研究与开发2016,37,1:8
6咖啡生豆及其烘焙程度对生物胺含量的影响显示文摘为了探明烘焙工艺参数对咖啡豆品质的影响,研究了烘焙程度对越南罗巴斯达咖啡豆中生物胺种类和生物胺含量的影响。采用高效液相色谱法测定不同烘焙条件下6种生物活性胺的含量。试验结果表明:在咖啡生豆中存在4种生物活性胺,生物胺总含量为5.253 mg/100 g。烘焙处理使咖啡豆生物活性胺含量先减少后增加,其中以维也纳式烘焙生物胺总含量最低,0.6 mg/100 g;到西班牙式烘焙,生物胺含量增加到1.33 mg/100 g。到法式烘焙时出现组胺,并且随烘焙程度的加深,组胺含量逐渐增高。到西班牙式烘焙时组胺含量达0.29 mg/100 g。Tran Van Cuong 陈贤情 郭康权 张宗玲 商晋 夏南 2016中国食品学报2016,16,3:8
7Accuracy assessment of mine walls' surface models derived from terrestrial laser scanning显示文摘Nguyen Quoc Long Michal M. Buczek La Phu Hien Sylwia A. Szlapinska Bui Xuan Nam Nguyen Viet Nghia Cao Xuan Cuong 2018International Journal of Coal Science & Technology2018,5,3:6
8小干扰RNA抑制CD97的表达及其对胃癌细胞迁移和侵袭能力的影响显示文摘目的:设计合成有效的siRNA-CD97,体外转染胃癌细胞株,观察CD97表达改变及其与胃癌细胞株迁移、侵袭能力改变的关系。方法:采用AGS和MGC803胃癌细胞株。针对CD97基因设计siRNA,采用化学法合成,筛选出最有效的siRNA-CD97。siRNA-CD97转染胃癌细胞后分别用real-time RT-PCR、免疫荧光流式细胞术检测CD97 mRNA和蛋白表达的改变,MTT法检测细胞活性的改变,并用Transwell细胞迁移和侵袭实验检测细胞迁移和侵袭能力的变化。结果:在siRNA-CD97转染后48 h,real-time RT-PCR结果显示AGS和MGC803细胞CD97 mRNA的表达量相对于未转染的细胞分别下降了(89.34±9.95)%和(95.42±1.93)%。转染后72 h,流式细胞术结果显示AGS细胞CD97EGF和CD97stalk抗原的表达强度相对于未转染的细胞分别下降了(19.29±3.45)%和(30.11±5.93)%,MGC803细胞CD97EGF和CD97stalk抗原的表达强度相对于未转染的细胞分别下降了(26.25±5.73)%和(16.22±3.23)%。MTT法检测结果显示,siRNA-CD97转染前后细胞的吸光度值没有显著差异。迁移和侵袭实验结果显示,AGS细胞siRNA-CD97转染组迁移和侵袭细胞相对于未转染组分别下降了(67.63±12.03)%和(68.02±15.63)%,MGC803细胞转染组迁移和侵袭细胞相对于未转染组分别下降了(14.92±2.03)%和(22.09±5.43)%。结论:胃癌细胞转染siRNA-CD97能够抑制CD97 mRNA和蛋白表达,随着CD97表达的降低,细胞迁移和转移的能力也明显减弱。施小宇 陶思丰 陈力 彭淑牖 HOANG-VU Cuong 2011中国病理生理杂志2011,27,7:6
9Amalgamated gold-nanoalloys with enhanced catalytic activity for the detection of mercury ions(Hg^2+)in seawater samples显示文摘Mercury(Hg)is extremely toxic,and continues to cause major threats to aquatic life,human health and the environment.Hg^2+mainly derives from seawater as a product of atmospheric deposition,therefore there is great demand for sensing approaches that can detect Hg^2+in seawater samples.Herein,we demonstrate that the peroxidase-mimicking activity of gold nanoparticles(AuNPs)or so-called nanozymes,can be exploited for the detection of Hg^2+ions in various water samples.In a high electrolyte environment,the catalytic activity for the oxidation of 3,3’,5,5’-tetramethylbenzidine(TMB)was significantly diminished due to poor stability of the bare-AuNPs.This activity was reduced by-73.7%when the NaCl concentration was higher than 1.168%,which is much lower than that of seawater(-3.5%),thus presenting its unsuitability for detecting Hg^2+in harsh water matrices.To overcome this limitation,AuNPs were first functionalized with oligo-ethylene glycol(OEG),of which their colloidal form presented high stability in NaCl concentrations up to 20%and across a wide range of pHs from 1-14.Interestingly,the catalytic activity of OEG-AuNPs for the oxidation of TMB was strongly suppressed by the coating,but enhanced upon formation of Au-Hg amalgamation.This novel finding underlies a straightforward,sensitive,and highly selective detection platform for Hg^2+in water samples.The approach could detect the exposure limit level for Hg^2+in drinking water(i.e.,2 ppb for tap and bottled water)as set by the United States Environmental Protection Agency(EPA)and the World Health Organization(WHO).When Hg^2+was spiked into a 3.5%saline solution and a coastal seawater certified reference material(CRM),the detection limits were found to be 10 ancM 3 ppb,respectively,which exceed the Hg^2+concentrations commonly found within seawater(-60-80 ppb).The whole procedure takes less than 45 min to conduct,providing a highly innovative,rapid and low-cost approach for detecting Hg^2+in complex water matrices.Natasha Logan Claire McVey Christopher Elliott Cuong Cao 2020Nano Research2020,13,4:6
10Unusual switchable peroxidase-mimicking nanozyme for the determination of proteolytic biomarker显示文摘Detection of enzyme biomarkers originating from either bio-fluids or contaminating microorganisms is of utmost importance in clinical diagnostics and food safety. Herein, we present a simple, low-cost and easy-to-use sensing approach based on the switchable peroxidase-mimicking activity of plasmonic gold nanoparticles (AuNPs) that can catalyse for the oxidation of 3,3’,5’5-tetramethylbenzidine (TMB) for the determination of protease enzyme. The AuNP surface is modified with casein, showing dual functionalities. The first function of the coating molecule is to suppress the intrinsic peroxidase-mimicking activity of AuNPs by up to 77.1%, due to surface shielding effects. Secondly, casein also functions as recognition sites for the enzyme biomarker. In the presence of protease, the enzyme binds to and catalyses the degradation of the coating layer on the AuNP surface, resulting in the recovery of peroxidase-mimicking activity. This is shown visually in the development of a blue colored product (oxidised TMB) or spectroscopically as an increase in absorbance at 370 and 650 nm. This mechanism allows for the detection of protease at 44 ng·mL^-1 in 90 min. The nanosensor circumvents issues associated with current methods of detection in terms of ease of use, compatibility with point-of-care testing, low-cost production and short analysis time. The sensing approach has also been applied for the detection of protease spiked in ultra-heat treated (UHT) milk and synthetic human urine samples at a limit of detection of 490 and 176 ng·mL^-1, respectively, showing great potential in clinical diagnostics, food safety and quality control.Claire McVey Natasha Logan Nguyen T. K. Thanh Christopher Elliott Cuong Cao 2019Nano Research2019,12,3:5
11咖啡中葫芦巴碱检测方法及含量变化研究进展显示文摘葫芦巴碱是从豆科植物蝶形花亚科葫芦巴属葫芦巴的干燥种子中分离的一种生物碱。在中西医药典中有多种功效。葫芦巴碱也可以从咖啡豆中提取出,它可以合成很多重要的芳香物质,饮用咖啡可以降低癌症和一些慢性病的风险。目前测定咖啡中葫芦巴碱的方法较多,各有利弊。主要介绍了测定咖啡中葫芦巴碱的五种方法:分光光度分析法,离子色谱法,纸色谱法,高效液相色谱法和液相色谱-质谱法。总结了各种咖啡中葫芦巴碱含量检测方法的最新进展。Tran Van Cuong 鲁海霞 郭康权 王英 2015食品工业2015,36,8:5
12咖啡中丙烯酰胺检测方法及含量研究进展显示文摘由于丙烯酰胺对人体有神经毒性和潜在的致癌性,在美国,咖啡烘焙、咖啡粉末和速溶咖啡中丙烯酰胺都有限量。目前测定咖啡中丙烯酰胺的方法较多,每种方法各有利弊。主要介绍测定咖啡中丙烯酰胺的4种方法:气相色谱法,高效液相色谱法,气相色谱串联质谱法和液相色谱串联质谱法。总结在各种类咖啡中丙烯酰胺含量检测方法的最新进展。Tran Van Cuong 郭康权 鲁海霞 Nguyen Minh Phuong 2016食品研究与开发2016,37,7:5
13疏解棉秆的热风干燥特性及其数学模型显示文摘棉秆重组材具有与木质人造板相媲美的优异性能,是棉秆资源利用的新途径。为此,对棉秆重组材生产的重要前处理工序—干燥工艺及疏解棉秆的热风干燥特性进行了研究,可为棉秆重组材的干燥工艺参数的选择和干燥设备的设计提供依据。利用数字型洞道干燥试验装置进行了单因素试验和正交试验,探讨不同热风温度、风速、疏解棉秆的初始干基含水率以及铺装质量对干燥速率的影响,得到改良的Page模型,可以描述疏解棉秆的热风干燥曲线,并分析了模型常数与各因素的关系。林雅文 郭康权 Tran Van Cuong 王红提 夏南 2014农机化研究2014,36,10:4
14“翻转课堂”在高职工科类专业教学中的可行性研究显示文摘'翻转课堂'充分发挥了教师的主导作用和学生的主体作用,是目前教育教学的研究热点。高职教育对'翻转课堂'的教学模式尚处于观望状态,还没有具体成熟的应用案例。笔者从微课视频、支撑环境、教学活动三方面出发,结合高职工科类专业教学的特点,分析实施'翻转课堂'的可行性,根据分析结果建立项目式'翻转课堂'的结构模型并开展实验,旨在探讨高职教学的新思路,促进教学效果的提升。刘琼 史诺 杨鹏 Tran Van Cuong 2016黑龙江畜牧兽医(下半月)2016,0,7:4
15Relationship between skin fold thickness and insulin resistance in the essential hypertensive patients in Vietnam显示文摘Previous studies reported a close relationship between obesity and insulin resistance in the essential hypertensive patients. Objective In this study, we examined the relationship between the skin fold thickness and insulin resistance then developed a formula to estimate the insulin resistance index according to the skin fold thickness in the essential hypertensive patients. Subjects and Methods Medical records of 80 patients (37 males, 43 females) were reviewed and the data were tabulated. Anthropometric indexes (including height, weight, waist circumference, hip circumference, and skins fold thickness at 5 fatty difference points on the Erdheim diagram), fasting plasma glucose and insulin concentration were recorded. The mean age was 57.0±9.2 years. The insulin resistance index was calculated following the Homeostasis Model Assessment (HOMA) formula. Results Compared with the group with BMI<23kg/m2, the group with BMI≥23 kg/m2 had higher fasting insulin concentration (8.85 ± 4.97 pmol/L vs 15.60 ± 8.70 pmol/L, P<0.001 ) and higher insulin resistance index in (2.15±1,24 vs 3.76±2.22, P<0.001). No significant difference in fasting plasma insulin concentration,insulin resistance index between male and female was observed (P>0.05). There was a positive correlation between skin fold thickness and the fasting insulin concentration and insulin resistance index. The skin fold thickness at point A8 had the best coefficient correlated with fasting plasma insulin(r=0.79, P<0.001) and insulin resistance index (r= 0.79, P < 0.001). A formula to estimate the insulin resistance index by skin fold thickness at point A8 as: Insulin resistance index = 0.12 × [skin fold thickness at A8 point (mm)] - 1.Conclusion: In the essential hypertensive patients, the formula to estimate insulin resistance index as 0.12 × [skin fold thickness at A8 point (mm)]-1 may predict accurately the level of insulin resistance.Toan C Nguyen Khoa TA Pham Quyen TL Do Cuong T Nguyen Diep D Nguyen Vinh G Le Cong D Nguyen 2005Journal of Geriatric Cardiology2005,2,4:4
16Hydrocarbon Systems in the North-Eastern Area of the Song Hong Basin显示文摘Trinh Xuan Cuong Phan Ngoc Trung Tong Duy Cuong Nguyen Bich Ha Phung Lan Phtro'ng Hoang ThiLan Nguyen Hoang Son 2013Journal of Earth Science and Engineering2013,3,12:3
17Endoscopic treatment of anastomotic biliary strictures after living donor liver transplantation: outcomes after maximal stent therapy显示文摘Ting-Hui Hsieh Kristin L. Mekeel Michael D. Crowell Cuong C. Nguyen Ananya Das Bashar A. Aqel Elizabeth J. Carey Thomas J. Byrne Hugo E. Vargas David D. Douglas David C. Mulligan M. Edwyn Harrison 2013Gastrointestinal Endoscopy2013,,1:3
18利用秀丽隐杆线虫建立灵芝生物学功效的评价方法显示文摘中药的质量评价是中药应用的关键。目前,大部分中药的活性物质尚不清楚且其成分较为复杂,使得以化学检测为手段的中药质量标准的建立存在很大的盲目性。建立生物学功效的检测方法,可以为中药的质量评价提供一条新的路径。该文利用秀丽隐杆线虫(Caenorhabditis elegans)评价了五种不同产地灵芝水提取物对提高野生型线虫和FOXO(forkhead box O)转录因子突变体抗氧化应激能力的效果。结果表明,不同产地灵芝均能够提高线虫抗氧化应激的能力,但功效差异显著。同时,不同产地灵芝提高线虫氧化应激能力的机制也存在差异,这提示了灵芝中存在不同的起效活性物质。该文的研究结果证明了利用模式生物秀丽隐杆线虫可以有效地区分不同产地灵芝的生物活性,并可以将其作为探索评价灵芝生物活性的一个研究方向。VU THI CUONG 陈伟东 杨平 费俭 2016中国细胞生物学学报2016,38,5:3
19A New Species of Rhacophorus(Amphibia:Anura:Rhacophoridae)from Vietnam显示文摘We describe a new species of Rhacophorus based on two adult specimens collected from Hoa Binh Province, northern Vietnam. Rhacophorus hoabinhensis sp. nov. is distinguishable from its congeners on the basis of a combination of the following morphological characters: size small(SVL 31.1–32.5 mm in males); head slightly longer than wide; vomerine teeth absent; snout short(SNL/SVL 0.16); dorsal skin smooth; forearm and tarsus with dermal fringes; dermal appendage at vent present; webbing formula on fingers Ⅰ12/3-12/3 Ⅱ1-2 Ⅲ1-1 Ⅳ and on toes Ⅰ3/4-1 Ⅱ1/2-1Ⅲ1/2-1 Ⅳ1-1/2Ⅳ; dorsal surface grey yellow with brown spots; lower jaw region dark grey, throat, chest and belly cream; anterior and posterior thighs, as well as ventral surface of tibia orange. The interspecific uncorrected genetic distances(16 S rRNA gene) between the new species from Hoa Binh and other analyzed congeners varied from 9.8% to 17.4%. In the phylogenetic analyses, the new species revealed to be a representative of Rhacophorus and was nested within the R. hoanglienensis-orlovi species group.Tao Thien NGUYEN Cuong The PHAM Truong Quang NGUYEN Hoa Thi NINH Thomas ZIEGLER 2017Asian Herpetological Research2017,18,4:2
20Dietary zinc and metallothionein on small intestinal disaccharidases activity in mice显示文摘AIM: To examine the effect of increasing dietary zinc (Zn) intake and the lack of metallothionein (MT) expression on activity of small intestinal disaccharidases. METHODS: MT-Ⅰ and Ⅱ knockout (MT-/-) and wild-type (MT+/+) female mice at 3.5 wk of age were randomly fed with a diet containing 2 (2 Zn), 15 (15 Zn) or 50 (50 Zn) mg Zn/kg (n = 8/group/genotype) for 5 wk. Small intestinal segments (duodenum, jejunum and ileum) were collected and either fixed in 10% formalin for histological analysis or snap frozen in liquid nitrogen for sucrase, lactase and maltase activity analyses.RESULTS: Plasma Zn was significantly (P < 0.05) lower (33%) in MT-/- compared with MT+/+ mice fed the 2 Zn diet. Villus height and crypt depth were increased by approximately 15% in MT+/+ mice compared with MT-/- mice. Duodenal disaccharidase activities were significantly higher in MT+/+ compared with MT-/- mice particularly in those fed the 2 Zn diet. For the 50 Zn diet, jejunal sucrase and lactase activities were significantly higher in MT-/- (13 313 ± 2314; 4107 ± 364 μmol glucose/well/min/g tissue, respectively) compared with MT+/+ mice (7054 ± 608; 1818 ± 174). Similarly, ileal lactase activities were higher in MT-/- (1480 ± 192) compared with MT+/+ (629 ± 353) mice particularly those fed the 2 Zn diet. CONCLUSION: Increasing dietary Zn has little effect on disaccharidases activity in MT wild-type mice. The presence of MT may enhance morphological and functional development of the gut.Cuong D Tran Johanna Cool Cory J Xian 2011World Journal of Gastroenterology2011,17,3:2
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