Now showing items 1-19 of 19

    • An anatomically accurate dielectric profile of the porcine kidney 

      Salahuddin, Saqib; La Gioia, Alessandra; Shahzad, Atif; Elahi, Muhammad Adnan; Kumar, Arun; Kilroy, David; Porter, Emily; O'Halloran, Martin (IOP Publishing, 2018-02-26)
      Microwave ablation is a promising treatment for kidney cancer. Accurate knowledge of the dielectric properties of biological tissues is vital for quantifying the safety, reliability and accuracy of ablation, among other ...
    • Anthropomorphic calcaneus phantom for microwave bone imaging applications 

      Amin, Bilal; Shahzad, Atif; Kelly, Daniel; O'Halloran, Martin; Elahi, Adnan (Institute of Electrical and Electronics Engineers, 2020-10-09)
      Recent studies have found a significant dielectric contrast between healthy and osteoporotic human trabecular bones. This dielectric contrast can be exploited by microwave imaging for monitoring human bone health. The ...
    • Broadband dielectric properties of adrenal gland for accurate anatomical modelling in medical applications 

      Shahzad, Atif; Clausing, D.; Prakash, Punit; Dennedy, Michael C.; O'Halloran, Martin (IEEE, 2017-09-11)
      Dielectric properties of biological tissue are important in safety assessment and evaluation of novel medical imaging and therapeutic devices. This paper reports frequency dependent dielectric properties of adrenal tissue, ...
    • Comparison of in-vivo and ex-vivo dielectric properties of biological tissues 

      Salahuddin, Saqib; La Gioia, Alessandra; Elahi, Muhammad Adnan; O'Halloran, Martin; Shahzad, Atif (Curran Associates Proceedings, 2017-09-11)
      Accurate knowledge of the dielectric properties of biological tissues are crucial for various applications such as assessment of specific absorption rate and safety of electromagnetic medical devices. Most of the ...
    • Dielectric characterization of diseased human trabecular bones at microwave frequency 

      Amin, Bilal; Shahzad, Atif; Farina, Laura; Parle, Eoin; McNamara, Laoise; O'Halloran, Martin; Elahi, Muhammad Adnan (Elsevier, 2020-02-07)
      The objective of this study is to determine whether in vitro dielectric properties of human trabecular bones, can distinguish between osteoporotic and osteoarthritis patients' bone samples. Specifically this study enlightens ...
    • Dielectric characterization of ex vivo ovine and human adrenal glands for microwave thermal ablation applications 

      Bottiglieri, Anna; Shahzad, Atif; Donlon, Padraig; Dennedy, Micheal Conall; Lowery, Aoife; O'Halloran, Martin; Farina, Laura (Institute of Electrical and Electronics Engineers, 2021-01-15)
      Historically, adrenal glands diseases causing hypertension, such as Primary Aldosteronism (PA), have been treated through pharmacotherapy or surgical resection. Given the shortcomings of the available treatment options, ...
    • Dielectric properties of bones: A potential indicator for osteoporosis 

      Amin, Bilal; Elahi, Muhammad Adnan; Porter, Emily; Shahzad, Atif; O'Halloran, Martin (National University of Ireland Galway, 2018-01-26)
      Osteoporosis is one of the major bone disease that results into bone fragility and fractures. Approximately 300,000 people over the age of 50 years suffer from osteoporosis in Ireland. Osteoporosis is mainly caused due ...
    • Experimental evaluation of the effective ablation zone on ex-vivo bovine liver samples 

      Bottiglieri, Anna; Elahi, Adnan; Shahzad, Atif; Donlon, Padraig T.; Dennedy, Michael C.; O'Halloran, Martin (IEEE, 2018-09-10)
      Microwave thermal ablation is under investigation for minimally invasive treatments. In the cases of small targets, such as adrenal glands, microwave thermal ablation is a valuable alternative to the traditional and ...
    • A feasibility study on microwave imaging of bone for osteoporosis monitoring 

      Amin, Bilal; Shahzad, Atif; Crocco, Lorenzo; Wang, Mengchu; O'Halloran, Martin; González-Suárez, Ana; Elahi, Muhammad Adnan (Springer, 2021-03-30)
      The dielectric properties of bones are found to be influenced by the demineralisation of bones. Therefore, microwave imaging (MWI) can be used to monitor in vivo dielectric properties of human bones and hence aid in the ...
    • An insight into bone dielectric properties variation: a foundation for electromagnetic medical devices 

      Amin, Bilal; Elahi, Muhammad Adnan; Shahzad, Atif; Parle, Eoin; McNamara, Laoise; O'Halloran, Martin (Institute of Electrical and Electronics Engineers, 2018-09-10)
      Dielectric properties of bones have recently got significant attention to monitor bone quality. This paper reports in-vitro dielectric properties of human trabecular bone samples obtained from osteoporotic and osteoarthritic ...
    • Investigating human bone microarchitecture and dielectric properties in microwave frequency range 

      Amin, Bilal; Shahzad, Atif; Farina, Laura; Parle, Eoin; McNamara, Laoise; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2019-03-31)
      Dielectric properties of bones are proposed to monitor bone quality. However, no study has investigated the relationship between bone dielectric properties and microarchitecture of bone, which is of paramount importance ...
    • Microwave bone imaging: A preliminary investigation on numerical bone phantoms for bone health monitoring 

      Amin, Bilal; Shahzad, Atif; O'Halloran, Martin; Elahi, Muhammad Adnan (MDPI, 2020-11-05)
      Microwave tomography (MWT) can be used as an alternative modality for monitoring human bone health. Studies have found a significant dielectric contrast between healthy and diseased human trabecular bones. A set of diverse ...
    • Microwave calcaneus phantom for bone imaging applications 

      Amin, Bilal; Kelly, Daniel; Shahzad, Atif; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2020-03-15)
      Microwave imaging can be used as an alternate modality for monitoring bone health. Dielectrically accurate, anthropomorphic phantoms play vital role in testing of imaging prototype prior to clinical applications. However, ...
    • Microwave thermal ablation: focusing energy in target tissue using fat layer 

      Bottiglieri, Anna; Farina, Laura; Shahzad, Atif; O'Loughlin, Declan; O'Halloran, Martin; Elahi, Muhammad Adnan (Institute of Electrical and Electronics Engineers, 2019-03-31)
      Microwave thermal ablation therapy is a minimally invasive technique introduced in the interventional oncology practice to treat a range of cancerous pathologies. Whereas satisfying results are obtained with the treatment ...
    • Minimum information for dielectric measurements of biological tissues (MINDER): A framework for repeatable and reusable data 

      Porter, Emily; La Gioia, Alessandra; Salahuddin, Saqib; Decker, Stefan; Shahzad, Atif; Elahi, M. Adnan; O'Halloran, Martin; Beyan, Oya (Wiley, 2017-11-13)
      The dielectric properties of biological tissues characterise the interaction of human tissues with electromagnetic (EM) fields. Accurate knowledge of the dielectric properties of tissues are vital in EM‐based therapeutic ...
    • A multistage selective weighting method for improved microwave breast tomography 

      Shahzad, Atif; O'Halloran, Martin; Jones, Edward; Glavin, Martin (Elsevier, 2016-08-24)
      Microwave tomography has shown potential to successfully reconstruct the dielectric properties of the human breast, thereby providing an alternative to other imaging modalities used in breast imaging applications. Considering ...
    • A review of the dielectric properties of the bone for low frequency medical technologies 

      Amin, Bilal; Elahi, Muhammad Adnan; Shahzad, Atif; Porter, Emily; O'Halloran, Martin (IOP Publishing, 2019-01-07)
      The dielectric properties are key parameters that quantify the interaction between electromagnetic waves and human biological tissues. In particular, the development of electromagnetic-based medical technologies rely on ...
    • Tackling hypertension via adrenal ablation-the development of novel immunohistochemical ablation biomarkers 

      Donlon, Padraig T.; Shahzad, Atif; Eaton-Evans, Jimmy; Ruvio, Giuseppe; Prakash, Punit; O'Halloran, Martin; Dennedy, Michael C. (IEEE, 2018-04-09)
      Microwave thermal ablation is under consideration for minimally invasive treatment of unilateral and bilateral adrenal adenomas, symptomatic of Conn's syndrome. Currently available microwave technologies are illsuited to ...
    • Technological requirements for microwave ablation of adrenal masses 

      Fallahi, Hojjatollah; Shahzad, Atif; Clausing, Daniel; O’Halloran, Martin; Dennedy, Michael Conall; Prakash, Punit (IEEE, 2017)
      Microwave thermal ablation is under consideration for minimally invasive treatment of bilateral adrenal adenomas, symptomatic of Conn's syndrome. Currently available microwave technologies are ill-suited to precise ablation ...