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Article ; Online: A neural flexible PID controller for task-space control of robotic manipulators.

Minh Nguyet, Nguyen Tran / Ba, Dang Xuan

2023 Volume 9, Page(s) 975850

Abstract: This paper proposes an adaptive robust Jacobian-based controller for task-space position-tracking control of robotic manipulators. Structure of the controller is built up on a traditional Proportional-Integral-Derivative (PID) framework. An additional ... ...

Abstract	This paper proposes an adaptive robust Jacobian-based controller for task-space position-tracking control of robotic manipulators. Structure of the controller is built up on a traditional Proportional-Integral-Derivative (PID) framework. An additional neural control signal is next synthesized under a non-linear learning law to compensate for internal and external disturbances in the robot dynamics. To provide the strong robustness of such the controller, a new gain learning feature is then integrated to automatically adjust the PID gains for various working conditions. Stability of the closed-loop system is guaranteed by Lyapunov constraints. Effectiveness of the proposed controller is carefully verified by intensive simulation results.
Language	English
Publishing date	2023-01-04
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2781824-X
ISSN	2296-9144 ; 2296-9144
ISSN (online)	2296-9144
ISSN	2296-9144
DOI	10.3389/frobt.2022.975850
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: SMES survival and knowledge in emerging economies

Nguyet Nguyen Thi

Heliyon, Vol 8, Iss 11, Pp e11387- (2022)

evidence from Vietnam

2022

Abstract: This paper evaluates how knowledge affecting the survival of new private small and medium sized enterprises (SMEs) in an emerging economy like Vietnam. The panel data extracted from the national surveys allow for comprehensive analysis during the period ... ...

Abstract	This paper evaluates how knowledge affecting the survival of new private small and medium sized enterprises (SMEs) in an emerging economy like Vietnam. The panel data extracted from the national surveys allow for comprehensive analysis during the period 2005–2011 with the semi-parametric Cox proportional hazard model. The study examines knowledge factors under controlling firm-specific and industrial factors. The findings express strong evidence that Vietnamese SMEs benefit strongly from knowledge development. The findings suggest firms to foster labor productivity, value added, and computerization. There is evidence of market selection, based on efficiency of investment. Besides, firms should improve return on sales, especially in growing market. Start-up SMEs should prepare sufficient total assets, not basing on leverage to enter the market. Start-up in industries with high growth, especially at the early stages of the life cycle will require more government support. These findings provide the evidence for policy improvement to help SMEs in the development of knowledge economy.
Keywords	Knowledge ; SMEs ; Firm survival ; Cox model ; Emerging economies ; Science (General) ; Q1-390 ; Social sciences (General) ; H1-99
Subject code	650
Language	English
Publishing date	2022-11-01T00:00:00Z
Publisher	Elsevier
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: SMES survival and knowledge in emerging economies: evidence from Vietnam.

Nguyen Thi, Nguyet

Heliyon

2022 Volume 8, Issue 11, Page(s) e11387

Abstract	This paper evaluates how knowledge affecting the survival of new private small and medium sized enterprises (SMEs) in an emerging economy like Vietnam. The panel data extracted from the national surveys allow for comprehensive analysis during the period 2005-2011 with the semi-parametric Cox proportional hazard model. The study examines knowledge factors under controlling firm-specific and industrial factors. The findings express strong evidence that Vietnamese SMEs benefit strongly from knowledge development. The findings suggest firms to foster labor productivity, value added, and computerization. There is evidence of market selection, based on efficiency of investment. Besides, firms should improve return on sales, especially in growing market. Start-up SMEs should prepare sufficient total assets, not basing on leverage to enter the market. Start-up in industries with high growth, especially at the early stages of the life cycle will require more government support. These findings provide the evidence for policy improvement to help SMEs in the development of knowledge economy.
Language	English
Publishing date	2022-11-04
Publishing country	England
Document type	Journal Article
ZDB-ID	2835763-2
ISSN	2405-8440
ISSN	2405-8440
DOI	10.1016/j.heliyon.2022.e11387
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Article ; Online: A Leader-Guided Substrate Tolerant RiPP Brominase Allows Suzuki-Miyaura Cross-Coupling Reactions for Peptides and Proteins.

Nguyen, Nguyet A / Agarwal, Vinayak

Biochemistry

2023 Volume 62, Issue 12, Page(s) 1838–1843

Abstract: Bioorthogonal derivatization of peptides and proteins enables investigations into their biological function and allows for exploitation of their therapeutic potential, among other varied deliverables. Herein, we describe a marine halogenating enzyme- ... ...

Abstract	Bioorthogonal derivatization of peptides and proteins enables investigations into their biological function and allows for exploitation of their therapeutic potential, among other varied deliverables. Herein, we describe a marine halogenating enzyme-assisted bioconjugation strategy in which an N-terminal leader peptide guides bromination of a C-terminal Trp residue in genetically encoded peptides and proteins, setting up further Trp arylation by Suzuki-Miyaura reactions. The bromination and subsequent cross-coupling reactions are residue-specific and regiospecific for the indole-6 position, occur under mild aqueous conditions, and do not require any modification of other Trp residues in the substrate peptide and/or protein. Workflows described herein demonstrate the applicability of halogenating enzymes in bioorthogonal conjugation chemistry.
MeSH term(s)	Peptides/chemistry ; Proteins ; Molecular Structure ; Catalysis ; Protein Sorting Signals
Chemical Substances	Peptides ; Proteins ; Protein Sorting Signals
Language	English
Publishing date	2023-06-05
Publishing country	United States
Document type	Journal Article ; Research Support, N.I.H., Extramural
ZDB-ID	1108-3
ISSN	1520-4995 ; 0006-2960
ISSN (online)	1520-4995
ISSN	0006-2960
DOI	10.1021/acs.biochem.3c00222
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Article ; Online: U.S.-Vietnam maritime security cooperation in the South China Sea

Luu Van Quyet / Nguyen Thi Anh Nguyet

Cogent Arts & Humanities, Vol 10, Iss

From the Obama administration to the current Biden administration

2023 Volume 1

Abstract: AbstractU.S.-Vietnam security cooperation deserves scrutiny as tensions in the South China Sea continue to grow, especially with China’s growing aggressiveness and the Sino-American intensified rivalry. With a view to studying maritime ties between Hanoi ...

Abstract	AbstractU.S.-Vietnam security cooperation deserves scrutiny as tensions in the South China Sea continue to grow, especially with China’s growing aggressiveness and the Sino-American intensified rivalry. With a view to studying maritime ties between Hanoi and Washington, the article focuses on increased security and defense cooperation between the U.S. and Vietnam, with particular emphasis on the South China Sea issue under three consecutive U.S. presidents, namely Barack Obama (2009–2017), Donald Trump (2017–2021), and Joe Biden (2021-Present). By examining the trajectory of bilateral security relations, the article specifies that since the Obama administration, the U.S.-Vietnam partnership has not only been institutionalized but also achieved significant progress. The positive trend, which has arguably stemmed from growing convergence on mutual interests and shared concerns over the China threat in the South China Sea, is expected to considerably fuel the momentum of U.S.-Vietnam relations in the years to come, regardless of roadblocks on their cooperation.
Keywords	U.S.-Vietnam security ties ; the South China Sea ; maritime cooperation ; Fine Arts ; N ; Arts in general ; NX1-820 ; General Works ; A ; History of scholarship and learning. The humanities ; AZ20-999
Subject code	950
Language	English
Publishing date	2023-12-01T00:00:00Z
Publisher	Taylor & Francis Group
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Cross-Cultural Adaption and Validation of SERVPERF Tool for Measuring Healthcare Quality in an Oncology Public Hospital, Vietnam.

Duc Thanh, Nguyen / Quynh Anh, Pham / Thi Huyen Chang, Pham / Minh Nguyet, Ha Thi

Inquiry : a journal of medical care organization, provision and financing

2023 Volume 60, Page(s) 469580221146826

Abstract: SERVPERF (Service Performance) tool needs to be adapted to the context and the usage purpose. Our study aimed to validate the context adapted SERVPERF tool in an Oncology public hospital in Vietnam. A study was conducted in 2020 with 227 in-patients as ... ...

Abstract	SERVPERF (Service Performance) tool needs to be adapted to the context and the usage purpose. Our study aimed to validate the context adapted SERVPERF tool in an Oncology public hospital in Vietnam. A study was conducted in 2020 with 227 in-patients as respondents the modified SERVPERF tool. Data collected were analyzed for tool assessment (reliability and validity). The new order in 5 factors in the modified tool were: (1) Responsiveness; (2) Empathy; (3) Reliability; (4) Tangible and (5) Assurance. The modified tool has a high Cronbach's alpha of .94. The tool validity was confirmed by Confirmatory Factor Analysis (CFA) where the healthcare service quality item corresponds as χ
MeSH term(s)	Humans ; Reproducibility of Results ; Vietnam ; Cross-Cultural Comparison ; Surveys and Questionnaires ; Psychometrics ; Hospitals, Public
Language	English
Publishing date	2023-01-19
Publishing country	United States
Document type	Journal Article
ZDB-ID	42153-4
ISSN	1945-7243 ; 0046-9580
ISSN (online)	1945-7243
ISSN	0046-9580
DOI	10.1177/00469580221146826
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Article ; Online: A sigh-performance hydrogen gas sensor based on Ag/Pd nanoparticle-functionalized ZnO nanoplates.

Nguyet, To Thi / Thanh Le, Dang Thi / Van Duy, Nguyen / Xuan, Chu Thi / Ingebrandt, Sven / Vu, Xuan Thang / Hoa, Nguyen Duc

RSC advances

2023 Volume 13, Issue 19, Page(s) 13017–13029

Abstract: As a source of clean energy, hydrogen ( ... ...

Abstract	As a source of clean energy, hydrogen (H
Language	English
Publishing date	2023-04-26
Publishing country	England
Document type	Journal Article
ISSN	2046-2069
ISSN (online)	2046-2069
DOI	10.1039/d3ra01436c
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Article ; Online: Solid-State Reaction Synthesis of MgAl

Tran, Anh-Tu / Tran, Viet-Toan / Nguyet, Nguyen Thi Minh / Luong, Anh Thi-Quynh / Le, Thang Van / Phuc, Nguyen Huu Huy

ACS omega

2023 Volume 8, Issue 39, Page(s) 36253–36260

Abstract: This paper presents the formation of magnesium aluminate spinel using composite particles prepared via electrostatic adsorption (ESA). Scanning electron microscopy (SEM) images confirmed the presence of ... ...

Abstract	This paper presents the formation of magnesium aluminate spinel using composite particles prepared via electrostatic adsorption (ESA). Scanning electron microscopy (SEM) images confirmed the presence of Al
Language	English
Publishing date	2023-09-22
Publishing country	United States
Document type	Journal Article
ISSN	2470-1343
ISSN (online)	2470-1343
DOI	10.1021/acsomega.3c04782
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Article ; Online: Surface ligand modified silver nanoparticles-based SERS sensing platform for ultrasensitive detection of the pesticide thiram in green tea leaves: roles of coating agents in sensing performance.

Linh, Dong Thi / Mai, Quan-Doan / Nguyet Nga, Dao Thi / Anh, Nguyen Tuan / Van Tuan, Hoang / Nguyen, Ha Anh / Vu, Xuan Hoa / Le, Anh-Tuan

RSC advances

2024 Volume 14, Issue 14, Page(s) 9975–9984

Abstract: Silver nanoparticles (AgNPs) have been regarded as a highly promising substrate for surface-enhanced Raman scattering (SERS) sensors. In this study, we focused on the electrochemical synthesis method by developing three kinds of AgNPs using three ... ...

Abstract	Silver nanoparticles (AgNPs) have been regarded as a highly promising substrate for surface-enhanced Raman scattering (SERS) sensors. In this study, we focused on the electrochemical synthesis method by developing three kinds of AgNPs using three different electrolytes: citrate (e-Ag-C), oleic acid (e-Ag-O) and fish mint (
Language	English
Publishing date	2024-03-25
Publishing country	England
Document type	Journal Article
ISSN	2046-2069
ISSN (online)	2046-2069
DOI	10.1039/d4ra00048j
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article ; Online: Effects of a newborn care education program using ubiquitous learning on exclusive breastfeeding and maternal role confidence of first-time mothers in Vietnam: a quasi-experimental study.

Nguyet, Tran Thi / Huy, Nguyen Vu Quoc / Kim, Yunmi

Korean journal of women health nursing

2021 Volume 27, Issue 4, Page(s) 278–285

Abstract: Purpose: This study aimed to examine the effect of a newborn care education program using ubiquitous learning (UL-NCEP) on exclusive breastfeeding and maternal role confidence of first-time mothers in Vietnam.: Methods: This quasi-experimental study ... ...

Abstract	Purpose: This study aimed to examine the effect of a newborn care education program using ubiquitous learning (UL-NCEP) on exclusive breastfeeding and maternal role confidence of first-time mothers in Vietnam. Methods: This quasi-experimental study with a nonequivalent control group design was conducted at a university hospital in Hue city, Vietnam, between June and July 2018. Eligible first-time mothers were conveniently allocated to the experimental (n=27) and the control group (n=25). Mothers in the control group received only routine care, whereas mothers in the experimental group received UL-NCEP through tablet personal computers in addition to routine care in the hospital. Then, the educational content was provided to mothers by their smartphone for reviewing at home. UL-NCEP was developed based on the World Health Organization's "Essential Newborn Care Course" guidelines. The exclusive breastfeeding rate and maternal role confidence level after birth and at 4 weeks postpartum were assessed in both groups to assess the effect of UL-NCEP. Results: At 4 weeks postpartum, the experimental group showed a significantly higher level than the control, for exclusive breastfeeding rate ( Conclusion: UL-NCEP was a feasible and effective intervention in increasing first-time Vietnamese mothers' exclusive breastfeeding rate and maternal role confidence level. This program may be integrated into routine care for postpartum mothers to promote mother and infant health among first-time mothers in Vietnam.
Language	English
Publishing date	2021-12-13
Publishing country	Korea (South)
Document type	Journal Article
ISSN	2093-7695
ISSN (online)	2093-7695
DOI	10.4069/kjwhn.2021.12.03
Database	MEDical Literature Analysis and Retrieval System OnLINE

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