Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Freeze-drying today and tomorrow.

J H Leary, E A Stanford

    Developments in Biological Standardization
    |October 1, 1976
    PubMed
    Summary

    Freeze-drying technology has advanced significantly, reducing cycle times and enhancing product quality. This evolution spans improvements in vacuum, heat transfer, and control systems for optimized performance.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Investigation of epizootic papillomatosis in bluegill Lepomis macrochirus (Rafinesque 1810) using next-generation sequencing.

    Journal of fish diseases·2016
    Same author

    Hemodynamic performance of mitroflow aortic pericardial bioprosthesis - optimizing management for the small aortic annulus.

    The Thoracic and cardiovascular surgeon·2010
    Same author

    Activation of natural killer-like YT-INDY cells by oligodeoxynucleotides and binding by homologous pattern recognition proteins.

    Scandinavian journal of immunology·2005
    Same author

    Single-base oligodeoxyguanosine-binding proteins on nonspecific cytotoxic cells: identification of a new class of pattern-recognition receptors.

    Scandinavian journal of immunology·2004
    Same author

    Quality of life outcomes after heart transplantation in individuals bridged to transplant with ventricular assist devices.

    The Journal of heart and lung transplantation : the official publication of the International Society for Heart Transplantation·2001
    Same author

    Phosphorylation-induced activation of tilapia nonspecific cytotoxic cells by serum cytokines.

    Diseases of aquatic organisms·2001

    Area of Science:

    • Lyophilization Science
    • Process Engineering
    • Materials Science

    Background:

    • Freeze-drying (lyophilization) has undergone substantial technological advancements over time.
    • Early freeze-drying systems have evolved, leading to improved efficiency and product outcomes.

    Purpose of the Study:

    • To detail the historical progression and key improvements in freeze-drying equipment and processes.
    • To explore advancements in vacuum pumping, heat transfer, condensing systems, controls, and refrigeration.
    • To examine the impact of specific equipment modifications on the state of the art in freeze-drying.

    Main Methods:

    • Review of historical developments in freeze-drying technology.
    • Analysis of vacuum pumping system design and sizing for various applications.
    • Discussion of heat transfer systems for maintaining optimal drying profiles.
    • Evaluation of condensing surface design considerations for different dryer types.
    • Examination of the role of controls and instrumentation in achieving process repeatability.
    • Assessment of refrigeration system contributions to freeze-drying performance.
    • Consideration of novel equipment features like internal stoppering and bottomless trays.

    Main Results:

    • Significant reductions in freeze-drying cycle times have been achieved.
    • Overall quality of freeze-dried products has been enhanced through technological improvements.
    • Modern freeze-drying systems demonstrate greater efficiency, control, and repeatability.
    • Innovations in components like vacuum pumps, heat transfer, and refrigeration directly impact process outcomes.
    • Specific design choices, such as internal stoppering, influence the current capabilities of freeze-drying.

    Conclusions:

    • Continuous innovation in freeze-drying equipment and processes has led to substantial gains in efficiency and product quality.
    • Advancements in vacuum, heat transfer, refrigeration, and control systems are critical drivers of progress.
    • Future developments are expected to further refine freeze-drying capabilities, building upon current technological foundations.

    Related Experiment Videos