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  1. Article: COVID 19 vaccine distribution solution to the last mile challenge: Experimental and simulation studies of ultra-low temperature refrigeration system.

    Sun, Jian / Zhang, Mingkan / Gehl, Anthony / Fricke, Brian / Nawaz, Kashif / Gluesenkamp, Kyle / Shen, Bo / Munk, Jeff / Hagerman, Joe / Lapsa, Melissa

    Revue internationale du froid

    2021  Volume 133, Page(s) 313–325

    Abstract: Most COVID-19 vaccines require ambient temperature control for transportation and storage. Both Pfizer and Moderna vaccines are based on mRNA and lipid nanoparticles requiring low temperature storage. The Pfizer vaccine requires ultra-low temperature ... ...

    Abstract Most COVID-19 vaccines require ambient temperature control for transportation and storage. Both Pfizer and Moderna vaccines are based on mRNA and lipid nanoparticles requiring low temperature storage. The Pfizer vaccine requires ultra-low temperature storage (between -80 °C and -60 °C), while the Moderna vaccine requires -30 °C storage. Pfizer has designed a reusable package for transportation and storage that can keep the vaccine at the target temperature for 10 days. However, the last stage of distribution is quite challenging, especially for rural or suburban areas, where local towns, pharmacy chains and hospitals may not have the infrastructure required to store the vaccine. Also, the need for a large amount of ultra-low temperature refrigeration equipment in a short time period creates tremendous pressure on the equipment suppliers. In addition, there is limited data available to address ancillary challenges of the distribution framework for both transportation and storage stages. As such, there is a need for a quick, effective, secure, and safe solution to mitigate the challenges faced by vaccine distribution logistics. The study proposes an effective, secure, and safe ultra-low temperature refrigeration solution to resolve the vaccine distribution last mile challenge. The approach is to utilize commercially available products, such as refrigeration container units, and retrofit them to meet the vaccine storage temperature requirement. Both experimental and simulation studies are conducted to evaluate the technical merits of this solution with the ability to control temperature at -30 °C or -70 °C as part of the last mile supply chain for vaccine candidates.
    Language English
    Publishing date 2021-11-08
    Publishing country Netherlands
    Document type Journal Article
    ISSN 0140-7007
    ISSN 0140-7007
    DOI 10.1016/j.ijrefrig.2021.11.005
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Dataset of ultralow temperature refrigeration for COVID 19 vaccine distribution solution.

    Sun, Jian / Zhang, Mingkan / Gehl, Anthony / Fricke, Brian / Nawaz, Kashif / Gluesenkamp, Kyle / Shen, Bo / Munk, Jeff / Hagerman, Joe / Lapsa, Melissa / Awwad, Nader / Recipe, Chris / Auyer, Doug / Brisson, David

    Scientific data

    2022  Volume 9, Issue 1, Page(s) 67

    Abstract: Most COVID-19 vaccines require temperature control for transportation and storage. Two types of vaccine have been developed by manufacturers (Pfizer and Moderna). Both vaccines are based on mRNA and lipid nanoparticles requiring low temperature storage. ... ...

    Abstract Most COVID-19 vaccines require temperature control for transportation and storage. Two types of vaccine have been developed by manufacturers (Pfizer and Moderna). Both vaccines are based on mRNA and lipid nanoparticles requiring low temperature storage. The Pfizer vaccine requires ultra-low temperature storage (-80 °C to -60 °C), while the Moderna vaccine requires -30 °C storage. However, the last stage of distribution is quite challenging, especially for rural or suburban areas, where local towns, pharmacy chains and hospitals may not have the infrastructure required to store the vaccine at the required temperature. In addition, there is limited data available to address ancillary challenges of the distribution framework for both transportation and storage stages, including safety concerns due to human exposure to large amounts of CO
    MeSH term(s) COVID-19 Vaccines ; Ice ; Refrigeration ; Temperature
    Chemical Substances COVID-19 Vaccines ; Ice ; Lipid Nanoparticles
    Language English
    Publishing date 2022-03-02
    Publishing country England
    Document type Dataset ; Journal Article ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S.
    ZDB-ID 2775191-0
    ISSN 2052-4463 ; 2052-4463
    ISSN (online) 2052-4463
    ISSN 2052-4463
    DOI 10.1038/s41597-022-01167-y
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Empower Wall: Active insulation system leveraging additive manufacturing and model predictive control

    Atkins, Celeste / Hun, Diana / Im, Piljae / Post, Brian / Slattery, Bob / Iffa, Emishaw / Cui, Borui / Dong, Jin / Barnes, Abigail / Vaughan, Joshua / Roschli, Alex / Salonvaara, Mikael / Shrestha, Som / Jung, Sungkyun / Chesser, Phillip / Heineman, Jesse / Wang, Peter L. / Jackson, Amiee / Lapsa, Melissa Voss

    Energy conversion and management. 2022 Aug. 15, v. 266

    2022  

    Abstract: Buildings are one of the largest energy consumers worldwide, using large amounts of energy during their construction and for climate control during operation. Active insulation systems (AIS) have been shown to reduce the energy needed for climate control ...

    Abstract Buildings are one of the largest energy consumers worldwide, using large amounts of energy during their construction and for climate control during operation. Active insulation systems (AIS) have been shown to reduce the energy needed for climate control in buildings by dynamically regulating the heat transferred between a building’s interior and exterior. Infrastructure-scale additive manufacturing (AM) has the potential to reduce the resources needed for building construction. Combining these two technologies into a single building envelope would create a path towards more sustainable buildings. A test was conducted for the Federal Energy Management Program (FEMP) Energy Exchange training and trade show, in August 2021, to investigate a new building envelope design, termed the Empower Wall, that utilized an AIS and was constructed using AM. Model predictive control was implemented to manage operation of the Empower Wall in concert with the existing HVAC system. The prototype system demonstrated that the Empower Wall lowered total energy consumption and reduced the cost of energy used.
    Keywords administrative management ; climate ; energy conversion ; energy transfer ; heat ; insulating materials ; prototypes ; trade shows
    Language English
    Dates of publication 2022-0815
    Publishing place Elsevier Ltd
    Document type Article
    ZDB-ID 2000891-0
    ISSN 0196-8904
    ISSN 0196-8904
    DOI 10.1016/j.enconman.2022.115823
    Database NAL-Catalogue (AGRICOLA)

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