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  1. Article ; Online: Retraction of “Two mixed-ligand coordination polymers based on 2,5-thiophenedicarboxylic acid and flexible N-donor ligands

    Wu Shao-Hsuan / Huang Jun-Hui

    Open Chemistry, Vol 21, Iss

    The protective effect on periodontitis via reducing the release of IL-1β and TNF-α”

    2023  Volume 1

    Keywords Chemistry ; QD1-999
    Language English
    Publishing date 2023-12-01T00:00:00Z
    Publisher De Gruyter
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  2. Article ; Online: DaISy: diffuser-aided sub-THz imaging system.

    Wu, Shao-Hsuan / Zhang, Yiyao / Chen, Ke / Yang, Shang-Hua

    Optics express

    2024  Volume 32, Issue 7, Page(s) 11092–11106

    Abstract: Sub-terahertz (Sub-THz) waves possess exceptional attributes, capable of penetrating non-metallic and non-polarized materials while ensuring bio-safety. However, their practicality in imaging is marred by the emergence of troublesome speckle artifacts, ... ...

    Abstract Sub-terahertz (Sub-THz) waves possess exceptional attributes, capable of penetrating non-metallic and non-polarized materials while ensuring bio-safety. However, their practicality in imaging is marred by the emergence of troublesome speckle artifacts, primarily due to diffraction effects caused by wavelengths comparable to object dimensions. In addressing this limitation, we present the Diffuser-aided sub-THz Imaging System (DaISy), which utilizes a diffuser and a focusing lens to convert coherent waves into incoherent counterparts. The cornerstone of our progress lies in a coherence theory-based theoretical framework, pivotal for designing and validating the THz diffuser, and systematically evaluating speckle phenomena. Our experimental results utilizing DaISy reveal substantial improvements in imaging quality and nearly diffraction-limited spatial resolution. Moreover, we demonstrate a tangible application of DaISy in the scenario of security scanning, highlighting the versatile potential of sub-THz waves in miscellaneous fields.
    Language English
    Publishing date 2024-04-03
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.516198
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Two mixed-ligand coordination polymers based on 2,5-thiophenedicarboxylic acid and flexible N-donor ligands

    Wu Shao-Hsuan / Huang Jun-Hui

    Open Chemistry, Vol 18, Iss 1, Pp 391-

    the protective effect on periodontitis via reducing the release of IL-1β and TNF-α

    2020  Volume 398

    Abstract: Two novel mixed-ligand coordination polymers, {[Co(tdc)(btrp)]·0.67DMF}n (1) and {[Zn2(bimb)2(tdc)2]·2H2O}n (2) involving 2,5-thiophenedicarboxylate (H2tdc), and bitopic flexible N-donor ligands, 1,3-bis(1,2,4-triazol-1-yl)propane (btrp) and 1,4-bis((1H- ... ...

    Abstract Two novel mixed-ligand coordination polymers, {[Co(tdc)(btrp)]·0.67DMF}n (1) and {[Zn2(bimb)2(tdc)2]·2H2O}n (2) involving 2,5-thiophenedicarboxylate (H2tdc), and bitopic flexible N-donor ligands, 1,3-bis(1,2,4-triazol-1-yl)propane (btrp) and 1,4-bis((1H-benzo[d]imidazol-1-yl)methyl)benzene (bimb), have been synthesized by the hydrothermal method and characterized via IR, elemental analysis, thermal analysis, and powder X-ray diffraction. The biological functional studies were performed; the treatment activity of the compounds on periodontitis and the specific mechanism was explored. First, the real-time RT-PCR was carried out to determine the inflammatory genes nf-κb and p53 relative expression in periodontal mucosal cells after treating with compounds 1 and 2. Then, the level of the inflammatory cytokine in the gingival crevicular fluid after treating with compounds was also determined by the ELISA detection kit.
    Keywords coordination polymer ; mixed-ligand ; x-ray diffraction ; periodontitis ; Chemistry ; QD1-999
    Subject code 540
    Language English
    Publishing date 2020-04-01T00:00:00Z
    Publisher De Gruyter
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

    Full text online

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  4. Article ; Online: Compact multicolor two-photon fluorescence microscopy enabled by tailorable continuum generation from self-phase modulation and dispersive wave generation.

    Chou, Lu-Ting / Wu, Shao-Hsuan / Hung, Hao-Hsuan / Lin, Wei-Zong / Chen, Zi-Ping / Ivanov, Anatoly A / Chia, Shih-Hsuan

    Optics express

    2022  Volume 30, Issue 22, Page(s) 40315–40327

    Abstract: By precisely managing fiber-optic nonlinearity with anomalous dispersion, we have demonstrated the control of generating plural few-optical-cycle pulses based on a 24-MHz Chromium:forsterite laser, allowing multicolor two-photon tissue imaging by ... ...

    Abstract By precisely managing fiber-optic nonlinearity with anomalous dispersion, we have demonstrated the control of generating plural few-optical-cycle pulses based on a 24-MHz Chromium:forsterite laser, allowing multicolor two-photon tissue imaging by wavelength mixing. The formation of high-order soliton and its efficient coupling to dispersive wave generation leads to phase-matched spectral broadening, and we have obtained a broadband continuum ranging from 830 nm to 1200 nm, delivering 5-nJ pulses with a pulse width of 10.5 fs using a piece of large-mode-area fiber. We locate the spectral enhancement at around 920 nm for the two-photon excitation of green fluorophores, and we can easily compress the resulting pulse close to its limited duration without the need for active pulse shaping. To optimize the wavelength mixing for sum-frequency excitation, we have realized the management of the power ratio and group delay between the soliton and dispersive wave by varying the initial pulse energy without additional delay control. We have thus demonstrated simultaneous three-color two-photon tissue imaging with contrast management between different signals. Our source optimization leads to efficient two-photon excitation reaching a 500-µm imaging depth under a low 14-mW illumination power. We believe our source development leads to an efficient and compact approach for driving multicolor two-photon fluorescence microscopy and other ultrafast investigations, such as strong-field-driven applications.
    MeSH term(s) Equipment Failure Analysis ; Equipment Design ; Photons ; Microscopy, Fluorescence ; Chromium
    Chemical Substances Chromium (0R0008Q3JB)
    Language English
    Publishing date 2022-10-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.470602
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Development of ratiometric electrochemical molecular switches to assay endogenous formaldehyde in live cells, whole blood and creatinine in saliva

    Kumaravel, Sakthivel / Wu, Shao-Hsuan / Chen, Guan-Zhang / Huang, Sheng-Tung / Lin, Chun-Mao / Lee, Yu-Chieh / Chen, Ching-Hui

    Biosensors & bioelectronics. 2021 Jan. 01, v. 171

    2021  

    Abstract: Formaldehyde is a reactive carbonyl species (RCS) that is produced naturally in the human body via metabolic and epigenetic biochemical processes, yet in high concentrations is highly toxic to the environment as well as to living organisms. Therefore, we ...

    Abstract Formaldehyde is a reactive carbonyl species (RCS) that is produced naturally in the human body via metabolic and epigenetic biochemical processes, yet in high concentrations is highly toxic to the environment as well as to living organisms. Therefore, we designed two ratiometric electrochemical molecular redox probes, Formaldehyde oxidative latent probe (FOLP) and dihydroxy-formaldehyde oxidative latent probe (HFOLP), for the selective profiling of endogenous formaldehyde. FOLP and HFOLP each underwent the aza-Cope reaction with formaldehyde followed by hydrolysis to eliminate unmask redox reporter N-alkylated aminoferrocene (AAF) to monitor their response current. The FOLP and HFOLP sensors showed broad dynamic ranges of 0.12–1000 μM and 0.09–3 mM for formaldehyde with detection limits of 48.2 nM and 31.6 μM, respectively. Also, since formaldehyde is the byproduct of biochemical reactions for detecting creatinine and creatinine is an important biomarker for chronic kidney disease (CKD), we tested the FOLP probe for its ability to monitor creatinine. It successfully did so, and this ability was used to develop an electrochemical platform for the quantification of creatinine; it showed a dynamic range of 3.25–200 μM and a limit of detection (1.3 μM). In addition, the FOLP-based assay platform delivered a reliable analytical performance for the quantification of formaldehyde in human whole blood and of creatinine in saliva, and also for the real-time monitoring of endogenous formaldehyde secretion in HeLa cells. Moreover, the concentrations determined using our method were found to be consistent with those determined using formaldehyde and creatinine fluorometric assay kits.
    Keywords biomarkers ; biosensors ; blood ; byproducts ; creatinine ; detection limit ; electrochemistry ; epigenetics ; fluorometry ; formaldehyde ; humans ; hydrolysis ; kidney diseases ; saliva ; secretion ; toxicity
    Language English
    Dates of publication 2021-0101
    Publishing place Elsevier B.V.
    Document type Article
    Note NAL-AP-2-clean
    ZDB-ID 1011023-9
    ISSN 1873-4235 ; 0956-5663
    ISSN (online) 1873-4235
    ISSN 0956-5663
    DOI 10.1016/j.bios.2020.112720
    Database NAL-Catalogue (AGRICOLA)

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2275: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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  6. Article ; Online: Development of ratiometric electrochemical molecular switches to assay endogenous formaldehyde in live cells, whole blood and creatinine in saliva.

    Kumaravel, Sakthivel / Wu, Shao-Hsuan / Chen, Guan-Zhang / Huang, Sheng-Tung / Lin, Chun-Mao / Lee, Yu-Chieh / Chen, Ching-Hui

    Biosensors & bioelectronics

    2020  Volume 171, Page(s) 112720

    Abstract: Formaldehyde is a reactive carbonyl species (RCS) that is produced naturally in the human body via metabolic and epigenetic biochemical processes, yet in high concentrations is highly toxic to the environment as well as to living organisms. Therefore, we ...

    Abstract Formaldehyde is a reactive carbonyl species (RCS) that is produced naturally in the human body via metabolic and epigenetic biochemical processes, yet in high concentrations is highly toxic to the environment as well as to living organisms. Therefore, we designed two ratiometric electrochemical molecular redox probes, Formaldehyde oxidative latent probe (FOLP) and dihydroxy-formaldehyde oxidative latent probe (HFOLP), for the selective profiling of endogenous formaldehyde. FOLP and HFOLP each underwent the aza-Cope reaction with formaldehyde followed by hydrolysis to eliminate unmask redox reporter N-alkylated aminoferrocene (AAF) to monitor their response current. The FOLP and HFOLP sensors showed broad dynamic ranges of 0.12-1000 μM and 0.09-3 mM for formaldehyde with detection limits of 48.2 nM and 31.6 μM, respectively. Also, since formaldehyde is the byproduct of biochemical reactions for detecting creatinine and creatinine is an important biomarker for chronic kidney disease (CKD), we tested the FOLP probe for its ability to monitor creatinine. It successfully did so, and this ability was used to develop an electrochemical platform for the quantification of creatinine; it showed a dynamic range of 3.25-200 μM and a limit of detection (1.3 μM). In addition, the FOLP-based assay platform delivered a reliable analytical performance for the quantification of formaldehyde in human whole blood and of creatinine in saliva, and also for the real-time monitoring of endogenous formaldehyde secretion in HeLa cells. Moreover, the concentrations determined using our method were found to be consistent with those determined using formaldehyde and creatinine fluorometric assay kits.
    MeSH term(s) Biosensing Techniques ; Creatinine ; Formaldehyde ; HeLa Cells ; Humans ; Saliva
    Chemical Substances Formaldehyde (1HG84L3525) ; Creatinine (AYI8EX34EU)
    Language English
    Publishing date 2020-10-11
    Publishing country England
    Document type Journal Article
    ZDB-ID 1011023-9
    ISSN 1873-4235 ; 0956-5663
    ISSN (online) 1873-4235
    ISSN 0956-5663
    DOI 10.1016/j.bios.2020.112720
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Kategorien

    In stock of ZB MED Cologne/Königswinter

    Zs.A 2275: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (2.OG)
    ab Jg. 2022: Lesesaal (EG)

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