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  1. Article: The Geography of Social Distancing in Canada: Evidence from Facebook.

    Chan, Jeff

    Canadian public policy. Analyse de politiques

    2024  Volume 46, Issue Suppl 1, Page(s) S19–S28

    Abstract: This article analyzes which characteristics are correlated with mobility reductions during the COVID-19 pandemic, using census-division-level mobility data for Canada from Facebook. There is significant variation in the extent to which social distancing ... ...

    Abstract This article analyzes which characteristics are correlated with mobility reductions during the COVID-19 pandemic, using census-division-level mobility data for Canada from Facebook. There is significant variation in the extent to which social distancing was applied in April, relative to a preperiod of February. I find that the population and population density of a census division are strongly correlated with larger mobility reductions. Conversely, I find that areas with a larger share of dwellings that are apartments exhibit smaller mobility reductions, suggesting that those in tighter living conditions may find it less possible to stay at home during the pandemic. Finally, I examine the persistence of mobility reductions into May and show that areas with a larger apartment dwelling share are more likely to maintain their social distancing over time.
    Language English
    Publishing date 2024-04-17
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 196490-2
    ISSN 0317-0861
    ISSN 0317-0861
    DOI 10.3138/cpp.2020-050
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Book: Machine Learning, Medical AI and Robotics

    Ying Kuen Chan, Jason / Kwok, Ka-Wai / Dou, Qi / Vardhanabhuti, Varut

    Translating theory into the clinic

    2023  

    Size 222 p.
    Publisher Institute of Physics Publishing
    Document type Book
    Note PDA Manuell_25
    Format 181 x 256 x 18
    ISBN 9780750346351 ; 0750346353
    Database PDA

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  3. Book: Politics in the corridor of dying

    Chan, Jennifer

    AIDS activism and global health governance

    2015  

    Author's details Jennifer Chan
    Keywords HIV Infections ; Organizations ; Dissent and Disputes ; Global Health ; Politics ; Social Justice
    Language English
    Size XIII, 323 S. : Ill.
    Publisher Johns Hopkins Univ. Press
    Publishing place Baltimore, Md
    Publishing country United States
    Document type Book
    Note Includes bibliographical references and index
    HBZ-ID HT018525166
    ISBN 978-1-4214-1597-0 ; 1-4214-1597-6 ; 1421415984 ; 9781421415987
    Database Catalogue ZB MED Medicine, Health

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    In stock of ZB MED Cologne/Königswinter

    Shelf markLoan statusLocation
    2015 A 1083 available for loan (reading room) Lesesaal EG

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  4. Article: Idiopathic Pulmonary Hemosiderosis: The Great Hemolytic Anemia Mimicker.

    Chan, Jaclyn

    Cureus

    2023  Volume 15, Issue 6, Page(s) e40362

    Abstract: Idiopathic pulmonary hemosiderosis (IPH) is a rare, potentially fatal disease characterized by recurrent diffuse alveolar hemorrhage. Presentation varies, and delay in diagnosis and treatment can result in respiratory complications and increased ... ...

    Abstract Idiopathic pulmonary hemosiderosis (IPH) is a rare, potentially fatal disease characterized by recurrent diffuse alveolar hemorrhage. Presentation varies, and delay in diagnosis and treatment can result in respiratory complications and increased mortality. It is imperative to consider IPH in the differential of a patient presenting with transfusion-dependent microcytic anemia and concomitant pulmonary symptoms. This case series describes two pediatric patients with persistent severe microcytic anemia despite multiple blood transfusions. Both patients underwent extensive workup for their anemia, and ultimately, their respiratory symptoms led to their diagnosis of IPH. Both were then managed with long-term corticosteroids and had significant clinical improvement.
    Language English
    Publishing date 2023-06-13
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2747273-5
    ISSN 2168-8184
    ISSN 2168-8184
    DOI 10.7759/cureus.40362
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  5. Article ; Online: The performance of large language models in intercollegiate Membership of the Royal College of Surgeons examination.

    Chan, J / Dong, T / Angelini, G D

    Annals of the Royal College of Surgeons of England

    2024  

    Abstract: Introduction: Large language models (LLM), such as Chat Generative Pre-trained Transformer (ChatGPT) and Bard utilise deep learning algorithms that have been trained on a massive data set of text and code to generate human-like responses. Several ... ...

    Abstract Introduction: Large language models (LLM), such as Chat Generative Pre-trained Transformer (ChatGPT) and Bard utilise deep learning algorithms that have been trained on a massive data set of text and code to generate human-like responses. Several studies have demonstrated satisfactory performance on postgraduate examinations, including the United States Medical Licensing Examination. We aimed to evaluate artificial intelligence performance in Part A of the intercollegiate Membership of the Royal College of Surgeons (MRCS) examination.
    Methods: The MRCS mock examination from Pastest, a commonly used question bank for examinees, was used to assess the performance of three LLMs: GPT-3.5, GPT 4.0 and Bard. Three hundred mock questions were input into the three LLMs, and the responses provided by the LLMs were recorded and analysed. The pass mark was set at 70%.
    Results: The overall accuracies for GPT-3.5, GPT 4.0 and Bard were 67.33%, 71.67% and 65.67%, respectively (
    Conclusions: Our findings demonstrated satisfactory performance for all three LLMs in the MRCS Part A examination, with GPT 4.0 the only LLM that achieved the pass mark set.
    Language English
    Publishing date 2024-03-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 80044-2
    ISSN 1478-7083 ; 0035-8843
    ISSN (online) 1478-7083
    ISSN 0035-8843
    DOI 10.1308/rcsann.2024.0023
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  6. Article ; Online: Exploring digital health care: eHealth, mHealth, and librarian opportunities.

    Chan, Janet

    Journal of the Medical Library Association : JMLA

    2021  Volume 109, Issue 3, Page(s) 376–381

    Abstract: Technology advances in eHealth and mHealth are changing the way that health care consumers and providers communicate, receive and deliver care, and access health information. As electronic health records and smartphones have become ubiquitous in the ... ...

    Abstract Technology advances in eHealth and mHealth are changing the way that health care consumers and providers communicate, receive and deliver care, and access health information. As electronic health records and smartphones have become ubiquitous in the United States, opportunities and applications for the integration of eHealth and mHealth have increased. In addition to technology advances, the changing health care model is simultaneously adapting to and driving initiatives in digital health care. With these digital initiatives have come challenges, including data overload, security and privacy concerns, deficits in technological and health literacy skills, and sorting through the vast number of choices of digital applications. Navigating this changing landscape can be overwhelming and time consuming for both health care providers and consumers. Librarians are uniquely positioned to assist providers and consumers to break down barriers within the digital health care landscape through data management initiatives, technology and health literacy instruction, and finding and evaluating health information and digital health technologies.
    MeSH term(s) Delivery of Health Care ; Health Literacy ; Humans ; Librarians ; Telemedicine
    Language English
    Publishing date 2021-09-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2072435-4
    ISSN 1558-9439 ; 1536-5050
    ISSN (online) 1558-9439
    ISSN 1536-5050
    DOI 10.5195/jmla.2021.1180
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  7. Article: Unveiling disguised toxicity: A novel pre-processing module for enhanced content moderation.

    Chan, Johnny / Li, Yuming

    MethodsX

    2024  Volume 12, Page(s) 102668

    Abstract: This study introduces "Specialis Revelio," a sophisticated text pre-processing module aimed at enhancing the detection of disguised toxic content in online communications. Through a blend of conventional and novel pre-processing methods, this module ... ...

    Abstract This study introduces "Specialis Revelio," a sophisticated text pre-processing module aimed at enhancing the detection of disguised toxic content in online communications. Through a blend of conventional and novel pre-processing methods, this module significantly improves the accuracy of existing toxic text detection tools, addressing the challenge of content that is deliberately altered to evade standard detection methods.•Integration with Existing Systems: "Specialis Revelio" is designed to augment popular toxic text classifiers, enhancing their ability to detect and filter toxic content more effectively.•Innovative Pre-processing Methods: The module combines traditional pre-processing steps like lowercasing and stemming with advanced strategies, including the handling of adversarial examples and typo correction, to reveal concealed toxicity.•Validation through Comparative Study: Its effectiveness was validated via a comparative analysis against widely used APIs, demonstrating a marked improvement in the detection of various toxic text indicators.
    Language English
    Publishing date 2024-03-26
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 2830212-6
    ISSN 2215-0161
    ISSN 2215-0161
    DOI 10.1016/j.mex.2024.102668
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  8. Book ; Online: Autoimmune Diseases : Contributing Factors, Specific Cases of Autoimmune Diseases, and Stem Cell and Other Therapies

    Chan, James

    2012  

    Keywords Medical genetics
    Size 1 electronic resource (404 pages)
    Publisher IntechOpen
    Document type Book ; Online
    Note English ; Open Access
    HBZ-ID HT021049451
    ISBN 9789535170204 ; 9535170201
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  9. Article: Educational Case: Ovarian neoplasms: A series of educational cases to review malignancies of epithelial, stromal, and germ cell origin.

    Tumas, Jordyn B / Chan, Joanna

    Academic pathology

    2023  Volume 10, Issue 2, Page(s) 100080

    Language English
    Publishing date 2023-04-24
    Publishing country United States
    Document type Case Reports
    ZDB-ID 2819382-9
    ISSN 2374-2895
    ISSN 2374-2895
    DOI 10.1016/j.acpath.2023.100080
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  10. Article ; Online: Leveraging coordination chemistry to visualize metal ions via photoacoustic imaging.

    Swartchick, Chelsea B / Chan, Jefferson

    Current opinion in chemical biology

    2023  Volume 74, Page(s) 102312

    Abstract: Metal ions are indispensable to all living systems owing to their diverse roles. Perturbation of metal homeostasis have been linked to many pathological conditions. As such, visualizing metal ions in these complex environments are of utmost importance. ... ...

    Abstract Metal ions are indispensable to all living systems owing to their diverse roles. Perturbation of metal homeostasis have been linked to many pathological conditions. As such, visualizing metal ions in these complex environments are of utmost importance. Photoacoustic imaging is a promising modality that combines the sensitivity of fluorescence to the superior resolution of ultrasound, through a light-in sound-out process, making it an appealing modality for metal ion detection in vivo. In this review, we highlight recent advances in the development of photoacoustic imaging probes for in vivo detection of metal ions, such as potassium, copper, zinc, and palladium. In addition, we provide our perspective and outlook on the exciting field.
    MeSH term(s) Photoacoustic Techniques/methods ; Metals ; Copper ; Zinc ; Ions
    Chemical Substances Metals ; Copper (789U1901C5) ; Zinc (J41CSQ7QDS) ; Ions
    Language English
    Publishing date 2023-05-03
    Publishing country England
    Document type Journal Article ; Review ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 1439176-4
    ISSN 1879-0402 ; 1367-5931
    ISSN (online) 1879-0402
    ISSN 1367-5931
    DOI 10.1016/j.cbpa.2023.102312
    Database MEDical Literature Analysis and Retrieval System OnLINE

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