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  1. Article ; Online: Role of pinch in Argon impurity transport in ohmic discharges of Aditya-U Tokamak.

    Shah, K / Ghosh, J / Patel, S / Chowdhuri, M B / Jadeja, K A / Shukla, G / Macwan, T / Kumar, A / Dolui, S / Singh, K / Tanna, R L / Patel, K M / Dey, R / Manchanda, R / Ramaiya, N / Kumar, R / Aich, S / Yadava, N / Purohit, S /
    Gupta, M K / Nagora, U C / Pathak, S K / Atrey, P K / Mayya, K B K

    Scientific reports

    2023  Volume 13, Issue 1, Page(s) 16087

    Abstract: We present experimental results of the trace argon impurity puffing in the ohmic plasmas of Aditya ...

    Abstract We present experimental results of the trace argon impurity puffing in the ohmic plasmas of Aditya-U tokamak performed to study the argon transport behaviour. Argon line emissions in visible and Vacuum Ultra Violet (VUV) spectral ranges arising from the plasma edge and core respectively are measured simultaneously. During the experiments, space resolved brightness profile of Ar
    Language English
    Publishing date 2023-09-26
    Publishing country England
    Document type Journal Article
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-023-42746-2
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Initial results from near-infrared spectroscopy on ADITYA-U tokamak.

    Ramaiya, N / Manchanda, R / Chowdhuri, M B / Yadava, N / Dey, R / Kumar, A / Shah, K / Patel, S / Jadeja, K A / Patel, K M / Kumar, R / Aich, S / Pathak, S K / Tanna, R L / Ghosh, J

    The Review of scientific instruments

    2022  Volume 93, Issue 11, Page(s) 113552

    Abstract: ... developed and installed on the ADITYA-U tokamak. The system consists of a 0.5 m spectrometer having three ... Radiation from the ADITYA-U edge plasma has been collected using a collimating lens and optical fiber ... combination and transported to the spectrometer. The spectrum in the NIR range from the ADITYA-U plasma has ...

    Abstract Spectroscopy in vacuum ultraviolet (VUV) and visible ranges plays an important role in the investigation and diagnosis of tokamak plasmas. However, under harsh environmental conditions of fusion grade devices, such as ITER, VUV-visible systems encounter many issues due to the degradation of optical components used in such systems. Here, near-infrared (NIR) spectroscopy has become an effective tool in understanding the edge plasma dynamics. Considering its importance, a NIR spectroscopic diagnostic has been developed and installed on the ADITYA-U tokamak. The system consists of a 0.5 m spectrometer having three gratings with different groove densities, and it is coupled with a linear InGaAs photodiode array. Radiation from the ADITYA-U edge plasma has been collected using a collimating lens and optical fiber combination and transported to the spectrometer. The spectrum in the NIR range from the ADITYA-U plasma has been recorded using this system, in which Pa
    Language English
    Publishing date 2022-11-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/5.0101850
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Author Correction: Role of pinch in Argon impurity transport in ohmic discharges of Aditya-U Tokamak.

    Shah, K / Ghosh, J / Patel, S / Chowdhuri, M B / Jadeja, K A / Shukla, G / Macwan, T / Kumar, A / Dolui, S / Singh, K / Tanna, R L / Patel, K M / Dey, R / Manchanda, R / Ramaiya, N / Kumar, R / Aich, S / Yadava, N / Purohit, S /
    Gupta, M K / Nagora, U C / Pathak, S K / Atrey, P K / Mayya, K B K

    Scientific reports

    2023  Volume 13, Issue 1, Page(s) 19969

    Language English
    Publishing date 2023-11-15
    Publishing country England
    Document type Published Erratum
    ZDB-ID 2615211-3
    ISSN 2045-2322 ; 2045-2322
    ISSN (online) 2045-2322
    ISSN 2045-2322
    DOI 10.1038/s41598-023-47362-8
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Initial results from time-resolved LaBr based hard x-ray spectrometer for ADITYA-U tokamak.

    Purohit, S / Gupta, M K / Chowdhuri, M B / Mansuri, I / Bhandarkar, M / Shukla, B K / Shah, K / Manchanda, R / Nagora, U C / Pathak, S K / Jadeja, K A / Tanna, R L / Ghosh, J

    The Review of scientific instruments

    2021  Volume 93, Issue 9, Page(s) 93512

    Abstract: Runaway electrons (REs) are passively studied by hard x-ray (HX) emissions generated by REs. A ... ...

    Abstract Runaway electrons (REs) are passively studied by hard x-ray (HX) emissions generated by REs. A LaBr
    Language English
    Publishing date 2021-10-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/5.0101310
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Impurity toroidal rotation profile measurement using upgraded high-resolution visible spectroscopic diagnostic on ADITYA-U tokamak.

    Shukla, G / Chowdhuri, M B / Shah, K / Manchanda, R / Ramaiya, N / Tanna, R L / Mayya, K B K / Ghosh, J

    The Review of scientific instruments

    2021  Volume 92, Issue 6, Page(s) 63517

    Abstract: ... toroidal rotation velocities on the ADITYA-U tokamak has been upgraded to cover the complete plasma minor ...

    Abstract A high-resolution spectroscopic diagnostic for the measurement of spatial profiles of impurity ion toroidal rotation velocities on the ADITYA-U tokamak has been upgraded to cover the complete plasma minor radius. Earlier, the coverage of diagnostics toward the plasma edge was restricted due to the placement of collection optics on the tangential port outside the vacuum vessel. The coverage of the full plasma minor radius, from 0 to 24 cm, has been achieved using the newly designed and developed collection optics that have seven lines of sight to view the tokamak plasma mounted inside a customized re-entrant view port which is installed in the shadow of the limiter inside the vacuum vessel. The upgraded diagnostic also includes a faster charged coupled device detector with a smaller pixel size for the detection of a small wavelength shift. The complete spatial profile has been measured using the Doppler shifted passive change exchange spectral line at 529.0 nm from the C
    Language English
    Publishing date 2021-07-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/5.0043789
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Observations of visible argon line emissions and its spatial profile from Aditya-U tokamak plasma.

    Shah, K / Ghosh, J / Shukla, G / Chowdhuri, M B / Manchanda, R / Yadava, N / Ramaiya, N / Jadeja, K A / Patel, K M / Tanna, R L / Mayya, K B K

    The Review of scientific instruments

    2021  Volume 92, Issue 5, Page(s) 53548

    Abstract: ... temperature measurements along with the understanding of the overall impurity behavior in plasma. In the Aditya-U tokamak ...

    Abstract The spectroscopic studies of medium and high Z impurities have been the subject of interest in fusion research due to their role in mitigating plasma disruption and reducing heat load on the plasma facing components. Line emissions from these impurities provide the rotation velocity and ion temperature measurements along with the understanding of the overall impurity behavior in plasma. In the Aditya-U tokamak, the spatially resolved Ar II line emissions have been observed using a high resolution multi-track spectroscopic diagnostic consisting of a 1 m Czerny-Turner spectrometer coupled with a charge coupled device (CCD) detector using seven lines of sight viewing plasma tangentially along the toroidal direction. The spatially resolved Ar II lines at 458.96 nm have been observed. The singly ionized Ar emission peaks at the radial location of ρ = 0.8 of the plasma having a minor radius of 25 cm. Moreover, a 0.5 m UV-visible spectrometer coupled with a CCD detector and having a line of sight passing through the plasma midplane from the radial port was used to record visible Ar survey spectra within the 670-810 nm wavelength range, and all these lines have been identified for further analysis.
    Language English
    Publishing date 2021-07-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/5.0043877
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Design of tangential x-ray crystal spectrometer for Aditya-U tokamak.

    Shah, K / Chowdhuri, M B / Shukla, G / Manchanda, R / Mayya, K B K / Jadeja, K A / Pablant, N A / Ghosh, J

    The Review of scientific instruments

    2018  Volume 89, Issue 10, Page(s) 10F115

    Abstract: ... of He-like argon for the Aditya-U tokamak plasma. The system enables to measure electron temperature using ...

    Abstract A tangential soft x-ray crystal spectrometer has been designed to measure the x-ray spectrum of He-like argon for the Aditya-U tokamak plasma. The system enables to measure electron temperature using the intensity ratio of the resonance line to the satellite line. For this purpose, an x-ray spectral line at 3.9494 Å from He-like argon, Ar
    Language English
    Publishing date 2018-11-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/1.5039359
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Plasma rotation measurement using UV and visible spectroscopy on Aditya-U tokamak.

    Shukla, G / Chowdhuri, M B / Shah, K / Manchanda, R / Mayya, K B K / Ghosh, J

    The Review of scientific instruments

    2018  Volume 89, Issue 10, Page(s) 10D132

    Abstract: A high resolution spectroscopic diagnostic for the measurement of the spatial profile of toroidal rotation velocity ( ... ...

    Abstract A high resolution spectroscopic diagnostic for the measurement of the spatial profile of toroidal rotation velocity (v
    Language English
    Publishing date 2018-11-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 209865-9
    ISSN 1089-7623 ; 0034-6748
    ISSN (online) 1089-7623
    ISSN 0034-6748
    DOI 10.1063/1.5039333
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Pseudomonas aeruginosa-Associated Ecthyma Gangrenosum: A Classic Presentation.

    McHugh, Jack W / Lehman, Julia S / Shah, Aditya

    Mayo Clinic proceedings

    2024  Volume 99, Issue 2, Page(s) 336–337

    MeSH term(s) Humans ; Ecthyma/diagnosis ; Pseudomonas aeruginosa ; Pseudomonas Infections/diagnosis ; Sepsis
    Language English
    Publishing date 2024-01-11
    Publishing country England
    Document type Journal Article
    ZDB-ID 124027-4
    ISSN 1942-5546 ; 0025-6196
    ISSN (online) 1942-5546
    ISSN 0025-6196
    DOI 10.1016/j.mayocp.2023.09.001
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

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  10. Article ; Online: Decentralizing Health Care: History and Opportunities of Web3.

    Narayan, Aditya / Weng, Kydo / Shah, Nirav

    JMIR formative research

    2024  Volume 8, Page(s) e52740

    Abstract: This paper explores the relationship between the development of the internet and health care, highlighting their parallel growth and mutual influence. It delves into the transition from the early, static days of Web 1.0, akin to siloed physician ... ...

    Abstract This paper explores the relationship between the development of the internet and health care, highlighting their parallel growth and mutual influence. It delves into the transition from the early, static days of Web 1.0, akin to siloed physician expertise in health care, to the more interactive and patient-centric era of Web 2.0, which was accompanied by advancements in medical technologies and patient engagement. This paper then focuses on the emerging era of Web3-the decentralized web-which promises a transformative shift in health care, particularly in how patient data are managed, accessed, and used. This shift toward Web3 involves using blockchain technology for decentralized data storage to enhance patient data access, control, privacy, and value. This paper also examines current applications and pilot projects demonstrating Web3's practical use in health care and discusses key questions and considerations for its successful implementation.
    Language English
    Publishing date 2024-03-27
    Publishing country Canada
    Document type Journal Article
    ISSN 2561-326X
    ISSN (online) 2561-326X
    DOI 10.2196/52740
    Database MEDical Literature Analysis and Retrieval System OnLINE

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