The plant growth experiment was initiated in late December 2022, and the seeds will be returned to the ground for incorporation into the second part of the experiment.
Plant Habitat-03A: The crew performed the final harvest for the Arabidopsis plants and seeds in the Plant Hab facility. With the help of a newly developed assay tube, researchers can also execute this test inflight, which allows for a much clearer assessment of the immune changes that happen in flight. Up until now, this test could only be accomplished on Earth, and conducted pre- and postflight. The Monitoring the Cellular Immunity by In Vitro Delayed Type Hypersensitivity (DTH) Assay on the ISS (Immunity Assay) investigation aims to monitor the impact of spaceflight stressors on cellular immune functions in a blood sample, with the help of a functional immune test. Immunity Assay: Science samples were collected and processed in support of the Immunity Assay experiment. HRF Veg uses psychological surveys and crew evaluations of the flavor and appeal of plants grown for other investigations on the ISS to focus on the overall behavioral health benefits to crew members of having various plants and fresh food in space.
This work addresses the need for a system to produce healthy, fresh food on future long-duration exploration missions to supplement the standard pre-packaged astronaut diet. The Pick-and-Eat Salad-Crop Productivity, Nutritional Value, and Acceptability to Supplement the ISS Food System investigation is a phased research project that includes Veg-04A, Veg-04B, Veg-05, and HRF Veg. HRF Veg questionnaire: Using the data collection tool on an available Station Support Computer (SSC), the crew completed their HRF Veg questionnaires. The ELF is located in the JEM Multipurpose Small Payload Rack (MSPR) in Kibo. With this facility, thermophysical properties of high temperature melts can be measured, and solidification from deeply undercooled melts can be achieved. ELF is an experimental facility designed to levitate/melt/solidify materials by containerless processing techniques using the Electrostatic Levitation method. The high-speed camera was recently installed and checked out to allow additional capabilities for the facility. Electrostatic Levitation Furnace (ELF): The ELF high-speed camera LAN cable was routed to avoid interference with the work volume and small experiment area doors.
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