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International Journal of AI
            for Material and Design                                       MMDB: A comprehensive biofabrication database










































            Figure 1. Workflow of manufacturing multi-organs database.

            extracted from published research articles. Subsequently,   relate to the names of individual organs, such as heart,
            the collected data undergoes processing to ensure   liver, and lung. Conversely, fabrication method keywords
            optimal compatibility with the database. Using different   primarily denote in vitro organ culture techniques, such
            data processing techniques, we establish the three key   as bioprinting, 3D culture, and coculture, among others.
            components of the database: organs, models, and materials.   To construct the search expression, we combined organ
            The graphical representation in  Figure  1 provides a   keywords and fabrication method keywords using the
            thorough understanding of the MMDB construction    conjunction “AND.” The organ keywords varied according
            process, elucidating the methodologies employed in its   to each organ’s unique nomenclature, while the fabrication
            creation.                                          method keywords remained constant across all organs. An
                                                               illustration of this indexing approach for papers related to
            2.1. Data collection                               in vitro heart construction is shown in Table 1. Please note
            All analytical outcomes within MMDB are based on prior   that “Majr” denotes a Medical Subject Headings (MeSH)
            research. These results either utilize explicit information   term, signifying it as a primary topic of discussion in the
            obtained from online databases or involve data extraction   article. MeSH is a controlled vocabulary thesaurus utilized
            from scholarly articles. The primary source for these   by the National Library of Medicine for indexing articles
            published  articles  is  PubMed,  an established  online   in PubMed. In addition, we applied specific filters for the
            database for health sciences literature.  In addition, the   papers we indexed, including a publication date range from
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            raw paper data from PubMed were enriched with metadata,   2012 to 2023, the specification that the species studied were
            including  information  about  authors,  institutions,  and   humans, and the requirement that the publication type is
            citations, through integration with the Scopus database. 25  a research paper.
              We employed a specific search expression to index   Within the scope of the nine systems constituting the
            pertinent biofabrication papers. This search expression is   human body, we gathered biofabrication research papers
            bifurcated into two segments: organ-specific keywords and   that focus on an array of human organs. The individual
            fabrication method keywords. Organ-specific  keywords   count of papers dedicated to each specific organ, along with


            Volume 1 Issue 1 (2024)                         77                      https://doi.org/10.36922/ijamd.2420
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