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Article ; Online: Community-based ecotourism for sustainability

Nguyen Dinh Tien / Tran Nhat Lam Duyen / Nguyen Thi Thanh Huyen / Phan Quang Anh / Nguyen Thi Oanh / Vu Van Tich / Dang Thanh Dat / Nguyen Thi Hong Hanh / Vu Hong Trang

Social Sciences and Humanities Open, Vol 9, Iss , Pp 100807- (2024)

An evaluative analysis of Binh Son district, Quang Ngai province in Vietnam

2024

Abstract: Community-based ecotourism (CBE) has been adopted for the preservation and restoration of the ecosystem in the four local communities in Binh Son district of Quang Ngai province in Vietnam. This study investigates the causal links that exist between ... ...

Abstract	Community-based ecotourism (CBE) has been adopted for the preservation and restoration of the ecosystem in the four local communities in Binh Son district of Quang Ngai province in Vietnam. This study investigates the causal links that exist between socioeconomic development, the protection of biodiversity, environment and natural resources, and the institutional responses necessary for successful CBE development. In order to understand the complexities of the CBE model and how the stakeholders engaged in the CBE at local communities, a mix of the Strength-Weakness-Opportunity-Threat (SWOT) analysis and Driver-Pressure-State-Impact-Response (DPSIR) framework was employed for qualitative and quantitative data analysis using key informant interviews and household surveys. The study findings include important implications for both policy and management for promoting the sustainable growth of ecotourism in the region. Regarding theoretical contribution, various challenges to sustainably developing CBE have been identified while a DPSIR conceptual framework is proposed to assist future research in CBE in this area.
Keywords	DPSIR ; SWOT ; Community-based ecotourism ; Binh son district ; Sustainable ; History of scholarship and learning. The humanities ; AZ20-999 ; Social sciences (General) ; H1-99
Subject code	910
Language	English
Publishing date	2024-01-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Biosynthesis of green CuO@C nanocomposite using Combretum indicum flower extract for organic dye removal: adsorption performance, modeling, and recyclability studies.

Bui, Duyen Xuan My / Nguyen, Uyen Thi Phuong / Nguyen, Thuy Thi Thanh / Nguyen, Dinh Tien Dung / Nguyen, Duyen Thi Cam / Tran, Thuan Van

Environmental science and pollution research international

2023

Abstract: Water contamination becomes one of the most high-priority environmental concerns, calling for the efficient treatment techniques. Bionanocomposites can be robust adsorbents, but the synthesis requires toxic chemicals or energy consuming and cause the ... ...

Abstract	Water contamination becomes one of the most high-priority environmental concerns, calling for the efficient treatment techniques. Bionanocomposites can be robust adsorbents, but the synthesis requires toxic chemicals or energy consuming and cause the secondary pollution. Green nanocomposites can be biogenically synthesized using the plant extract to end up with a critically safe strategy. Herein, we used the flower extract of Combretum indicum plant as a bio-based reductant and carbonaceous source for the green CuO@C nanocomposite. This green nanoadsorbent obtained a specific surface area of 17.33 m
Language	English
Publishing date	2023-09-23
Publishing country	Germany
Document type	Journal Article
ZDB-ID	1178791-0
ISSN	1614-7499 ; 0944-1344
ISSN (online)	1614-7499
ISSN	0944-1344
DOI	10.1007/s11356-023-29707-y
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Article: Non-ionic surfactants As co-templates to control the mesopore diameter of hollow mesoporous silica nanoparticles for drug delivery applications

Nguyen, Ngoc Hoi / Truong-Thi, Ngoc-Hang / Nguyen, Dinh Tien Dung / Ching, Yern Chee / Huynh, Ngoc Trinh / Nguyen, Dai Hai

Colloids and surfaces. 2022 Dec. 20, v. 655

2022

Abstract: Hollow mesoporous silica nanoparticles (HMSN) with unique properties are increasingly being applied in drug delivery field. To be able to encapsulate desired agents with different molecular size such as drugs, nucleic acids, polysaccharides and proteins … ...

Abstract	Hollow mesoporous silica nanoparticles (HMSN) with unique properties are increasingly being applied in drug delivery field. To be able to encapsulate desired agents with different molecular size such as drugs, nucleic acids, polysaccharides and proteins … into the hollow cavity, the control of HMSN’s meso-chennal diameter is one of the pioneering and decisive factors. This study aims to use non-ionic surfactants (S) including Tween 20, Tween 80 and Brij S10 as co-templates with Cetrimonium bromide (CTAB) to control the mesopore diameter. HMSN was synthesized with hard template method following three main steps and S with different molar ratios would be prepare mixed micelles with CTAB and added into the synthesis mixture at the mesoporous coating step. Dynamic Light Scaterring (DLS) measurement was conducted for mixed micelles S-CTAB, meanwhile Brunauer-Emmett-Teller (BET) Surface Area Analysis and Barrett-Joyner-Halenda (BJH) Pore Size and Volume Analysis were conducted for the synthesized HMSN with S-CTAB to evaluate the influence of S on HMSN’s mesopore diameter. Rose Bengal with molecular weight of 1017.64 g/mol was used as the model drug to evaluate drug loading capacity and release profile of the enlarged-mesopore system. Additionally, Zeta potential, SEM, TEM, XRD, FT-IR and cytotoxicity were conducted to characterize the synthesized particles. This study would contribute a meaningful approach to control the mesopore diameter of HMSN using non-ionic surfactants for drug delivery applications.
Keywords	cytotoxicity ; drugs ; micelles ; molecular weight ; nanoparticles ; polysaccharides ; polysorbates ; porosity ; porous media ; silica ; surface area ; zeta potential
Language	English
Dates of publication	2022-1220
Publishing place	Elsevier B.V.
Document type	Article
ZDB-ID	1500517-3
ISSN	0927-7757
ISSN	0927-7757
DOI	10.1016/j.colsurfa.2022.130218
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Potential Impact of the REDD+ Program on Poverty Reduction in Nghe An Province, Vietnam

Nguyen Dinh Tien / Roberto X. Rañola / Pham Thu Thuy

Forests, Vol 8, Iss 10, p

2017 Volume 376

Abstract: The REDD+ program provides a mechanism for providing financial rewards to forest owners and users who contribute to the reduction of carbon emissions from deforestation and forest degradation. This paper determines the potential impact of the REDD+ ... ...

Abstract	The REDD+ program provides a mechanism for providing financial rewards to forest owners and users who contribute to the reduction of carbon emissions from deforestation and forest degradation. This paper determines the potential impact of the REDD+ program on poverty reduction by comparing income and poverty rate between two household groups that were willing to participate in this study, but that will not participate in the REDD+. The results showed that carbon payment from forests is a significant contributor to the increase in household income of poor people. The average income of households participating in the program is VND 20.68 million in contrast to those not participating whose average income is VND 14.72 million. Results showed that the REDD+ program intervention helped reduce the poverty rate in the two communes by 6.40% (from 39.4% to 33%). The paper recommends that the REDD+ program should facilitate the distribution of land titles to provide security of tenure for individual households that are participating in the program. While the program can contribute to poverty reduction, the program payments can increase income inequality and conflicts between those involved and those not involved in the program and legal ownership of the lands. In addition, a comprehensive research study on the impact of the program on forest conservation and poverty reduction is necessary. Stakeholders of the program should recognize and acknowledge the trade-offs between conservation and economic development or poverty reduction. A comprehensive trade-off analysis of program implementation and a business-as-usual option of commodity production is needed, which could reveal the indirect economic, political, and social costs and benefits of the program.
Keywords	REDD+ ; poverty reduction ; livelihoods ; Plant ecology ; QK900-989
Subject code	005
Language	English
Publishing date	2017-10-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Retrovirus Drugs-Loaded PEGylated PAMAM for Prolonging Drug Release and Enhancing Efficiency in HIV Treatment.

Nguyen, Thi Thinh / Nguyen, Bao Phu / Nguyen, Dinh Tien Dung / Nguyen, Ngoc Hoi / Nguyen, Dai Hai / Nguyen, Cuu Khoa

Polymers

2021 Volume 14, Issue 1

Abstract: Polyamidoamine dendrimer (PAMAM) with its unique characteristics emerges as a potential drug delivery system which can prolong releasing time, reduce the side effects but still retaining treatment efficiency. In this study, methoxy polyethylene glycol ... ...

Abstract	Polyamidoamine dendrimer (PAMAM) with its unique characteristics emerges as a potential drug delivery system which can prolong releasing time, reduce the side effects but still retaining treatment efficiency. In this study, methoxy polyethylene glycol modified PAMAM generation 3.0 (G3.0@mPEG) is prepared and characterized via
Language	English
Publishing date	2021-12-29
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2527146-5
ISSN	2073-4360 ; 2073-4360
ISSN (online)	2073-4360
ISSN	2073-4360
DOI	10.3390/polym14010114
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Article ; Online: A Nested Land Uses–Landscapes–Livelihoods Approach to Assess the Real Costs of Land-Use Transitions

Guillaume Lestrelin / Jean-Christophe Castella / Qiaohong Li / Thoumthone Vongvisouk / Nguyen Dinh Tien / and Ole Mertz

Land, Vol 8, Iss 1, p

Insights from Southeast Asia

2019 Volume 11

Abstract: Reducing emissions from deforestation and forest degradation (REDD+) is viewed as an effective way to mitigate climate change by compensating stewards of forested areas for minimizing forestland conversion and protecting forest services. Opportunity ... ...

Abstract	Reducing emissions from deforestation and forest degradation (REDD+) is viewed as an effective way to mitigate climate change by compensating stewards of forested areas for minimizing forestland conversion and protecting forest services. Opportunity costs assess the cost of foregone opportunity when preserving the forest instead of investing in an alternative activity or resource use. This paper questions the calculation method of opportunity costs using averaged economic benefits and co-benefits of different land-use transitions. We propose a nested approach to land-use transitions at the interface between landscapes and livelihoods and assessing a wide range of potential socio-ecological costs and benefits. Combining household surveys and focus groups with participatory mapping, we applied the approach in villages of Laos, Vietnam and China positioned along a broad transition trajectory from subsistence shifting cultivation to intensive commercial agriculture. By looking beyond the economics of land use, we highlight important linkages between land-use changes and livelihood differentiation, vulnerability and inequalities. Our results show the importance of addressing the impacts of land-use transitions on a wide range of potential ecological and socioeconomic costs and benefits at multiple levels.
Keywords	opportunity costs ; multi-level assessment ; agrarian transition ; REDD+ ; Southeast Asia ; Agriculture ; S
Subject code	333
Language	English
Publishing date	2019-01-01T00:00:00Z
Publisher	MDPI AG
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Decellularized Porcine Epiphyseal Plate-Derived Extracellular Matrix Powder: Synthesis and Characterization.

Hoang Thi, Thai Thanh / Tran Nguyen, Diem Huong / Nguyen, Dinh Tien Dung / Nguyen, Dai Hai / Truong, Minh-Dung

Cells, tissues, organs

2020 Volume 209, Issue 2-3, Page(s) 101–109

Abstract: The aim of this study was to develop a porcine epiphyseal plate-derived extracellular matrix powder (PEPEP) for epiphyseal plate regeneration. PEPEP was characterized by chemical assay to determine the contents of DNA and epiphyseal plate complex ... ...

Abstract	The aim of this study was to develop a porcine epiphyseal plate-derived extracellular matrix powder (PEPEP) for epiphyseal plate regeneration. PEPEP was characterized by chemical assay to determine the contents of DNA and epiphyseal plate complex chemical components (glycosaminoglycan and hydroxyproline). The effects of PEPEP on the viability, proliferation, and differentiation of human bone marrow mesenchymal stem cells (hBMSCs) were also evaluated. hBMSCs cultured in PEPEP exhibited a good distribution with excellent viability after 72 h, demonstrating the ability of PEPEP to support hBMSC proliferation. At week 4 and 6 in vitro, the PEPEP + hBMSCs structure showed chondrogenic ability and an increase in expression of collagen type I, type II, and type X. PEPEP showed a promising ability to enhance cartilage formation and promote chondrocyte differentiation, maturation, and hypertrophy. The results provide insights into the feasibility of PEPEP as a potential material for tissue engineering applications.
MeSH term(s)	Animals ; Cell Adhesion ; Cell Survival ; Cells, Cultured ; Epiphyses/metabolism ; Extracellular Matrix/metabolism ; Extracellular Matrix/ultrastructure ; Growth Plate/metabolism ; Humans ; Mesenchymal Stem Cells/cytology ; Powders ; Swine
Chemical Substances	Powders
Language	English
Publishing date	2020-06-15
Publishing country	Switzerland
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	1468141-9
ISSN	1422-6421 ; 1422-6405
ISSN (online)	1422-6421
ISSN	1422-6405
DOI	10.1159/000507552
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Article: Optimal Extraction Process and In Vivo Anti-Inflammatory Evaluation of High Purity Oily

Nguyen, Dinh Tien Dung / Vo, Mong Tham / Truong, Cong Tri / Nguyen, Dai Hai / Nguyen Thi, Thuy-Anh / Huynh Truc, Thanh Ngoc / Viet, Nguyen Thanh / Vo Do, Minh Hoang

publication RETRACTED

Evidence-based complementary and alternative medicine : eCAM

2021 Volume 2021, Page(s) 8229607

Abstract: Recently, plant-derived anti-inflammatory products have received an increasing attention from researchers due to their excellent in vivo activity with limited side effects. Therefore, the extraction of natural active compounds from the plant with high ... ...

Abstract	Recently, plant-derived anti-inflammatory products have received an increasing attention from researchers due to their excellent in vivo activity with limited side effects. Therefore, the extraction of natural active compounds from the plant with high purity for use in anti-inflammatory formulations is required. In this study, oily
Language	English
Publishing date	2021-11-02
Publishing country	United States
Document type	Journal Article ; Retracted Publication
ZDB-ID	2171158-6
ISSN	1741-4288 ; 1741-427X
ISSN (online)	1741-4288
ISSN	1741-427X
DOI	10.1155/2021/8229607
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Article ; Online: A comparative analysis of gender and youth issues in rice production in North, Central, and South Vietnam

Duyen, Tran Nhat Lam / Rañola, Roberto F. / Sander, Björn Ole / Wassmann, Reiner / Nguyen, Dinh Tien / Ngoc, Nong Nguyen Khanh

Climate and Development

2020

Abstract: This paper examines how rice farmers at all gender and ages perceive climate change and adopt Climate Smart Agriculture (CSA) technologies to enhance resilience and adaptation in three sub-regions of Vietnam. Impacts on livelihoods resilience, workloads ... ...

Abstract	This paper examines how rice farmers at all gender and ages perceive climate change and adopt Climate Smart Agriculture (CSA) technologies to enhance resilience and adaptation in three sub-regions of Vietnam. Impacts on livelihoods resilience, workloads of left behind family members, gender roles and responsibilities are also assessed. Using data from 579 randomly-sampled households, results show that women play a more important role in rice production in North and Central compared to the South due to higher rate of male out-migration. Differences in awareness and adoption of CSA technologies are observed although men and women across provinces have similar perception of climate change. The key challenges of youth engagement include drudgery in farm operations, labour-intensive technologies, low profit, inadequate access to land and credit, and lack of agricultural insurance scheme. Results imply that farmers should be provided with equal opportunities in trainings and field demonstrations on CSA technologies. Recommendations to attract the youth include: (i) promote on-farm training at school; (ii) organize exchange visits, trade fairs, competition on farming techniques; (iii) develop good production and business model; (iv) emphasize the important role of farmers and agriculture; (v) update agricultural policies and programmes; (vi) upgrade the skills and knowledge of extension workers.
Keywords	climate change ; agriculture ; food security ; rice ; gender
Language	English
Publishing date	2020-04-07T12:21:33Z
Publisher	Informa UK Limited
Publishing country	fr
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Determinants of adoption of climate-smart agriculture technologies in rice production in Vietnam

Duyen, Tran Nhat Lam / Rañola, Roberto F. / Sander, Björn Ole / Wassmann, Reiner / Nguyen, Dinh Tien / Nong, Nguyen Khanh Ngoc

International Journal of Climate Change Strategies and Management

2020

Abstract: Purpose In recent years, climate-smart agriculture (CSA) was introduced to Vietnam to enhance farmers’ resilience and adaptation to climate change. Among the climate-smart agricultural technologies (CSATs) introduced were water-saving techniques and ... ...

Abstract	Purpose In recent years, climate-smart agriculture (CSA) was introduced to Vietnam to enhance farmers’ resilience and adaptation to climate change. Among the climate-smart agricultural technologies (CSATs) introduced were water-saving techniques and improved stress tolerant varieties. This study aims to examine the determinants of farmers’ adoption of these technologies and the effects of their adoption on net rice income (NRI) in three provinces as follows: Thai Binh (North), Ha Tinh (Central) and Bac Lieu (South). Design/methodology/approach Determinants of adoption of CSATs and the adoption effects on NRI are analyzed by using a multinomial endogenous switching regression framework. Findings The results showed that gender, age, number of family workers, climate-related factors, farm characteristics, distance to markets, access to climate information, confidence on the know-how of extension workers, membership in social/agricultural groups and attitude toward risk were the major factors affecting the decision to adopt CSATs. However, the effects of these factors on the adoption of CSATs varied across three provinces. These technologies when adopted tend to increase NRI but the increase is much greater when these are combined. Practical implications It is important to consider first the appropriateness of the CSA packages to the specific conditions of the target areas before they are promoted. It is also necessary to enhance the technical capacity of local extension workers and provide farmers more training on CSATs. Originality/value This study is the first attempt to identify key determinants of adoption of CSATs either singly or in combination and the adoption effects on NRI in Vietnam.
Keywords	climate change ; agriculture ; food security ; rice ; climate smart agriculture
Language	English
Publishing date	2020-02-19T16:12:06Z
Publisher	Emerald
Publishing country	fr
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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