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  1. AU="Vu, Hung"
  2. AU="Soucek, Alexander"
  3. AU="Rihui Su"
  4. AU="Campbell, Steve"

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  1. Book ; Online: Fast & Fair

    Minch, Allen / Vu, Hung Anh / Warren, Anne Marie

    Efficient Second-Order Robust Optimization for Fairness in Machine Learning

    2024  

    Abstract: This project explores adversarial training techniques to develop fairer Deep Neural Networks (DNNs) to mitigate the inherent bias they are known to exhibit. DNNs are susceptible to inheriting bias with respect to sensitive attributes such as race and ... ...

    Abstract This project explores adversarial training techniques to develop fairer Deep Neural Networks (DNNs) to mitigate the inherent bias they are known to exhibit. DNNs are susceptible to inheriting bias with respect to sensitive attributes such as race and gender, which can lead to life-altering outcomes (e.g., demographic bias in facial recognition software used to arrest a suspect). We propose a robust optimization problem, which we demonstrate can improve fairness in several datasets, both synthetic and real-world, using an affine linear model. Leveraging second order information, we are able to find a solution to our optimization problem more efficiently than a purely first order method.

    Comment: 17 pages, 7 figures
    Keywords Computer Science - Machine Learning ; Computer Science - Computers and Society ; Mathematics - Numerical Analysis ; 65F10 ; 65F22 ; 65K05 ; 90C47
    Publishing date 2024-01-03
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: Total Factor Productivity Growth, Technical Progress & Efficiency Change in Vietnam Coal Industry – Nonparametric Approach

    Phuong Vu Hung

    E3S Web of Conferences, Vol 35, p

    2018  Volume 01009

    Abstract: This research applies Data Envelopment Analysis (DEA) approach to analyze Total Factor Productivity (TFP) and efficiency changes in Vietnam coal mining industry from 2007 to 2013. The TFP of Vietnam coal mining companies decreased due to slow ... ...

    Abstract This research applies Data Envelopment Analysis (DEA) approach to analyze Total Factor Productivity (TFP) and efficiency changes in Vietnam coal mining industry from 2007 to 2013. The TFP of Vietnam coal mining companies decreased due to slow technological progress and unimproved efficiency. The decadence of technical efficiency in many enterprises proved that the coal mining industry has a large potential to increase productivity through technical efficiency improvement. Enhancing human resource training, technology and research & development investment could help the industry to improve efficiency and productivity in Vietnam coal mining industry.
    Keywords Technical & Scale Efficiency ; Total Factor Productivity-TFP ; Nonparametric Techniques ; Environmental sciences ; GE1-350
    Language English
    Publishing date 2018-01-01T00:00:00Z
    Publisher EDP Sciences
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Toward Design Rules for Multilayer Ferroelectric Energy Storage Capacitors - A Study Based on Lead-Free and Relaxor-Ferroelectric/Paraelectric Multilayer Devices.

    Nguyen, Minh D / Houwman, Evert P / Birkhölzer, Yorick A / Vu, Hung N / Koster, Gertjan / Rijnders, Guus

    Advanced materials (Deerfield Beach, Fla.)

    2024  , Page(s) e2402070

    Abstract: Future pulsed-power electronic systems based on dielectric capacitors require the use of environment-friendly materials with high energy-storage performance that can operate efficiently and reliably in harsh environments. Here, a study of multilayer ... ...

    Abstract Future pulsed-power electronic systems based on dielectric capacitors require the use of environment-friendly materials with high energy-storage performance that can operate efficiently and reliably in harsh environments. Here, a study of multilayer structures, combining paraelectric-like Ba
    Language English
    Publishing date 2024-04-14
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 1474949-X
    ISSN 1521-4095 ; 0935-9648
    ISSN (online) 1521-4095
    ISSN 0935-9648
    DOI 10.1002/adma.202402070
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  4. Article ; Online: Parallel accumulation-serial fragmentation method for in-depth proteomic analysis of bronchoalveolar lavage fluid collected from patients with nonsmall cell lung cancer.

    Vu, Hung M / Huh, Sunghyun / Lee, Jun Hyung / Lee, Seung Hyeun / Kim, Min-Sik

    Proteomics. Clinical applications

    2024  Volume 18, Issue 2, Page(s) e2300053

    Abstract: Purpose: Advances in mass spectrometry-based quantitative proteomic analysis have successfully demonstrated the in-depth detection of protein biomarkers in bronchoalveolar lavage fluid (BALF) from patients with lung cancers. Recently, ion mobility ... ...

    Abstract Purpose: Advances in mass spectrometry-based quantitative proteomic analysis have successfully demonstrated the in-depth detection of protein biomarkers in bronchoalveolar lavage fluid (BALF) from patients with lung cancers. Recently, ion mobility technology was incorporated into the mass spectrometers escalating the sensitivity and throughput. Utilizing these advantages, herein, we employed the parallel accumulation-serial fragmentation (PASEF) implanted in a timsTOF Pro mass spectrometer to examine the alteration of BALF proteomes in patients with nonsmall cell lung cancers (NSCLCs).
    Experimental design: BALF proteins were processed from patients with NSCLC and analyzed in a timsTOF Pro mass spectrometer with the PASEF method using a peptide input of 100 ng. Label-free mass spectrometry data were analyzed in the FragPipe platform.
    Results: We quantitated over 1400 proteins from a single injection of 100 ng of peptides per sample with a median of ∼2000 proteins. We were able to find a few potential biomarker proteins upregulated in NSCLC.
    Conclusions and clinical relevance: The alterations of the BALF proteome landscape vary among patients with NSCLC as previously observed in patients with small-cell lung cancers. The PASEF method has significantly enhanced the sensitivity and throughput, demonstrating its effectiveness in clinical research and application.
    MeSH term(s) Humans ; Carcinoma, Non-Small-Cell Lung ; Bronchoalveolar Lavage Fluid/chemistry ; Lung Neoplasms/metabolism ; Proteomics/methods ; Mass Spectrometry ; Peptides ; Proteome
    Chemical Substances Peptides ; Proteome
    Language English
    Publishing date 2024-01-31
    Publishing country Germany
    Document type Journal Article
    ZDB-ID 2261788-7
    ISSN 1862-8354 ; 1862-8346
    ISSN (online) 1862-8354
    ISSN 1862-8346
    DOI 10.1002/prca.202300053
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  5. Article: Major ions, trace elements and evidence of groundwater contamination in Hanoi, Vietnam

    Vu, Hung / Merkel, Broder / Wiche, Oliver

    Environmental earth sciences. 2022 June, v. 81, no. 11

    2022  

    Abstract: Groundwater contamination is a critical issue in Hanoi because it affects the water supply and treatment of a crowded city. This study aimed to explore the groundwater quality across the whole area of Hanoi city and identify potential contamination ... ...

    Abstract Groundwater contamination is a critical issue in Hanoi because it affects the water supply and treatment of a crowded city. This study aimed to explore the groundwater quality across the whole area of Hanoi city and identify potential contamination sources. 206 groundwater samples were collected in the Holocene and Pleistocene aquifers during two consecutive seasons (rainy 2015 and dry 2016) to assess the groundwater contamination and understand which elements can be used as tracers for future monitoring. As a result, the spatial distributions of major ions (Na, K, Ca, Mg, Cl⁻, and SO₄²⁻) and some selected elements (As, Li, Sr, Ba, Mn, Fe, Al, B, Br, total nitrogen (TN), and P) were obtained. Distributions of elements and contaminants varied not only on depth and regions (aquifers) but also season-wise. In the upper aquifer, SO₄²⁻, B, As, Br⁻, TN, and P concentrations were significantly higher than the common range. In the south of Hanoi city, we found elevated Li, Na, K, Mg, Cl⁻ and Br concentrations in the Pleistocene aquifer. Additionally, the concentrations of such as As, Sr, Ba, Mn, Fe did not follow a clear pattern. Their concentrations seem to be predominantly influenced by geological processes controlling the study area's hydro-geochemical environment. However, high concentrations of SO₄²⁻, B, Br⁻, TN, and P, particularly in central Hanoi, supported the idea of contamination from the surface. This study's results might help managers foster sustainable groundwater resource strategies.
    Keywords Holocene epoch ; Pleistocene epoch ; aquifers ; groundwater ; groundwater contamination ; total nitrogen ; water quality ; water supply ; Vietnam
    Language English
    Dates of publication 2022-06
    Size p. 305.
    Publishing place Springer Berlin Heidelberg
    Document type Article
    ZDB-ID 2493699-6
    ISSN 1866-6299 ; 1866-6280
    ISSN (online) 1866-6299
    ISSN 1866-6280
    DOI 10.1007/s12665-022-10402-z
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  6. Article ; Online: Advances in Mass Spectrometry-Based Single Cell Analysis

    Lee, Siheun / Vu, Hung M. / Lee, Jung Hyun / Lim, Heejin / Kim, Min-Sik

    Biology (Basel). 2023 Mar. 02, v. 12, no. 3

    2023  

    Abstract: Technological developments and improvements in single-cell isolation and analytical platforms allow for advanced molecular profiling at the single-cell level, which reveals cell-to-cell variation within the admixture cells in complex biological or ... ...

    Abstract Technological developments and improvements in single-cell isolation and analytical platforms allow for advanced molecular profiling at the single-cell level, which reveals cell-to-cell variation within the admixture cells in complex biological or clinical systems. This helps to understand the cellular heterogeneity of normal or diseased tissues and organs. However, most studies focused on the analysis of nucleic acids (e.g., DNA and RNA) and mass spectrometry (MS)-based analysis for proteins and metabolites of a single cell lagged until recently. Undoubtedly, MS-based single-cell analysis will provide a deeper insight into cellular mechanisms related to health and disease. This review summarizes recent advances in MS-based single-cell analysis methods and their applications in biology and medicine.
    Keywords DNA ; RNA ; mass spectrometry ; medicine ; metabolites
    Language English
    Dates of publication 2023-0302
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2661517-4
    ISSN 2079-7737
    ISSN 2079-7737
    DOI 10.3390/biology12030395
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  7. Book ; Online: Surjective Span 6 Cellular Automata

    Vu, Hung Anh / Schnitzer, Nate / Ewing, Ethan

    2023  

    Abstract: Using FSA and the construction algorithm, we generated a list of surjective span 6 cellular automata as a modest sample for our FDense program. We wanted to experimentally quantify Mike Boyle's conjecture which states that the jointly periodic points of ... ...

    Abstract Using FSA and the construction algorithm, we generated a list of surjective span 6 cellular automata as a modest sample for our FDense program. We wanted to experimentally quantify Mike Boyle's conjecture which states that the jointly periodic points of one-dimensional cellular automata are dense. Furthermore, we wanted to know if the cardinality of cellular automata on N symbols is greater than or equal to the square root of N.
    Keywords Computer Science - Formal Languages and Automata Theory
    Publishing date 2023-06-10
    Publishing country us
    Document type Book ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Thesis ; Online: Healthcare Optimizing Patient Education Smartcard (H.O.P.E.S.)

    Vu, Hung V.

    2018  

    Abstract: The healthcare industry is ever-changing, with the significant advancement of technology compare to 30 years ago. Access to information has become quicker and paper chart has been reduced to the implementation and the creation of an EMR/EHR system. With ... ...

    Abstract The healthcare industry is ever-changing, with the significant advancement of technology compare to 30 years ago. Access to information has become quicker and paper chart has been reduced to the implementation and the creation of an EMR/EHR system. With patients obtaining a healthcare smartcard and acts as a portable EHR, this can help clinicians communicate better with other clinicians and be able to educate their patients on drug therapies, avoid administering duplicate testing, and thus, reduce cost for both the insurance and patients side. H.O.P.E.S. is making its way in the healthcare industry to alleviate burden for patients carrying papers and lab results, when it can be store using the smartcard system. This allows clinicians to access patients’ latest results if patients are seeing multiple clinicians (specialists) for their medical conditions. The smartcard allows physicians to educate their patients, getting them more involve and advocate for a healthier lifestyle.
    Keywords Health care management
    Subject code 027
    Language ENG
    Publishing date 2018-01-01 00:00:01.0
    Publisher California State University, Long Beach
    Publishing country us
    Document type Thesis ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article: Advances in Mass Spectrometry-Based Single Cell Analysis.

    Lee, Siheun / Vu, Hung M / Lee, Jung-Hyun / Lim, Heejin / Kim, Min-Sik

    Biology

    2023  Volume 12, Issue 3

    Abstract: Technological developments and improvements in single-cell isolation and analytical platforms allow for advanced molecular profiling at the single-cell level, which reveals cell-to-cell variation within the admixture cells in complex biological or ... ...

    Abstract Technological developments and improvements in single-cell isolation and analytical platforms allow for advanced molecular profiling at the single-cell level, which reveals cell-to-cell variation within the admixture cells in complex biological or clinical systems. This helps to understand the cellular heterogeneity of normal or diseased tissues and organs. However, most studies focused on the analysis of nucleic acids (e.g., DNA and RNA) and mass spectrometry (MS)-based analysis for proteins and metabolites of a single cell lagged until recently. Undoubtedly, MS-based single-cell analysis will provide a deeper insight into cellular mechanisms related to health and disease. This review summarizes recent advances in MS-based single-cell analysis methods and their applications in biology and medicine.
    Language English
    Publishing date 2023-03-02
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2661517-4
    ISSN 2079-7737
    ISSN 2079-7737
    DOI 10.3390/biology12030395
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  10. Article ; Online: Corpus callosotomy for treatment of drug-resistant epilepsy: a review of 16 pediatric cases in northern Vietnam.

    Duc Lien, Nguyen / Tuan, Dang Anh / Vu Hung, Cao / Lepard, Jacob R / Rocque, Brandon G

    Journal of neurosurgery. Pediatrics

    2020  Volume 25, Issue 6, Page(s) 582–587

    Abstract: Objective: The aim of this study was to evaluate postoperative seizure outcome in children with drug-resistant epilepsy not eligible for focal resection who underwent corpus callosotomy.: Methods: The study included 16 patients undergoing corpus ... ...

    Abstract Objective: The aim of this study was to evaluate postoperative seizure outcome in children with drug-resistant epilepsy not eligible for focal resection who underwent corpus callosotomy.
    Methods: The study included 16 patients undergoing corpus callosotomy between September 2015 and May 2018. Seizure semiology and frequency, psychomotor status, and video electroencephalography and imaging findings were evaluated for all patients.
    Results: Of the 16 patients who underwent callosotomy during the study period, 11 underwent complete callosotomy and 5 underwent anterior only. Seizure improvement greater than 75% was achieved in 37.5% of patients, and another 50% of patients had seizure improvement of 50%-75%. No sustained neurological deficits were observed in these patients. There were no significant complications. Duration of postoperative follow-up ranged from 12 to 44 months.
    Conclusions: Corpus callosotomy is an effective treatment for selected patients with drug-resistant epilepsy not eligible for focal resection in resource-limited settings. Fostering and developing international epilepsy surgery centers should remain a high priority for the neurosurgical community at large.
    Language English
    Publishing date 2020-02-28
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2403985-8
    ISSN 1933-0715 ; 1933-0707
    ISSN (online) 1933-0715
    ISSN 1933-0707
    DOI 10.3171/2019.12.PEDS19638
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Uk I Zs.135 -Pediatrics-: Show issues Location:
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