OOIR: Observatory of International Research

Papers

(The TQCC of npj Microgravity is 10. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-11-01 to 2025-11-01.)

Article	Citations
Establishing a method for the cryopreservation of viable peripheral blood mononuclear cells in the International Space Station	91
Impacts of radiation exposure, hindlimb unloading, and recovery on murine skeletal muscle cell telomere length	86
Corner angle effects on capillary rise along curved interior corners	56
Spaceflight exposome/microgravity effects on the psychoimmunoneuroendocrine system	56
Vection underwater illustrates the limitations of neutral buoyancy as a microgravity analog	53
Optic nerve sheath diameter and spaceflight: defining shortcomings and future directions	51
Implications of sex differences in orthostatic tolerance during exposure to acute artificial gravity	46
Cooling of a granular gas mixture in microgravity	42
Microgravity triggers ferroptosis and accelerates senescence in the MG-63 cell model of osteoblastic cells	40
Enhanced assembly of bacteriophage T7 produced in cell-free reactions under simulated microgravity	40
The kidney, volume homeostasis and osmoregulation in space: current perspective and knowledge gaps	39
Effect of microgravity on mechanical loadings in lumbar spine at various postures: a numerical study	33
Management of corneal injuries in spaceflight and recommendations for planetary missions	26
Weightlessness leads to an increase granulosa cells in the growing follicle	26
Dynamic changes in perivascular space morphology predict signs of spaceflight-associated neuro-ocular syndrome in bed rest	26
Long-term microgravity experiments reveal a new mechanism for particle aggregation in suspension	25
Virtual reality-based sensory stimulation preferences at Amundsen-Scott South Pole station in Antarctica	25
Abdominal LIPUS ameliorates simulated microgravity induced skeletal muscle atrophy via the gut-muscle axis	24
In vitro evidence of bubble-induced acoustic softening and Sanal flow choking in cardiovascular decompression	24
Paving the way to better understand the effects of prolonged spaceflight on operational performance and its neural bases	23
Amyloidogenesis via interfacial shear in a containerless biochemical reactor aboard the International Space Station	23
Demonstration of charge-hold-vent (CHV) and no-vent-fill (NVF) in a simulated propellent storage tank during tank-to-tank cryogen transfer in microgravity	23
Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments	21
Space habitats for bioengineering and surgical repair: addressing the requirement for reconstructive and research tissues during deep-space missions	21
Brief Communication: Confocal microscopy of oral streptococcal biofilms grown in simulated microgravity using a random positioning machine	21

Substrate metabolism in male astronauts onboard the International Space Station: the ENERGY study	20
Effects of exercise countermeasures on multisystem function in long duration spaceflight astronauts	20
Effects of whole-body vibration or resistive-vibration exercise on blood clotting and related biomarkers: a systematic review	20
Publisher Correction: Active matter in space	19
Bisphosphonate conjugation enhances the bone-specificity of NELL-1-based systemic therapy for spaceflight-induced bone loss in mice	19
Transcriptomic evidence of erythropoietic adaptation from the International Space Station and from an Earth-based space analog	18
NASA GeneLab derived microarray studies of Mus musculus and Homo sapiens organisms in altered gravitational conditions	18
A moonshot for female astronaut health, a win for all astronauts and space exploration	17
Daily artificial gravity partially mitigates vestibular processing changes associated with head-down tilt bedrest	17
Free surface bubbly flow in an open capillary channel	17
Recovery of bone microarchitecture and density four years after spaceflight: two case studies	16
External to internal cranial perfusion shifts during simulated weightlessness: Results from a randomized cross-over trial	16
Cryogenic helium subsurface pressurization in terrestrial and low-gravity: experiments and flow visualization	16
RNA-seq analysis in simulated microgravity unveils down-regulation of the beta-rhizobial siderophore phymabactin	16
The value of a spaceflight clinical decision support system for earth-independent medical operations	15
Optical observations of thunderstorms from the International Space Station: recent results and perspectives	15
Effectiveness of caffeine and blue-enriched light on cognitive performance and electroencephalography correlates of alertness in a spaceflight robotics simulation	15
Enhancing the precision limits of interferometric satellite geodesy missions	15
Simulated microgravity impairs human NK cell cytotoxic activity against space radiation-relevant leukemic cells	15
Simulated lunar microgravity transiently arrests growth and induces osteocyte-chondrocyte lineage differentiation in human Wharton’s jelly stem cells	15
Endothelial dysfunction markers and immune response indices in cosmonauts’ blood after long-duration space flights	15
Synthetic biology for space exploration	15
Uncertainty analysis and performance evaluation of thermophysical property measurement of liquid Au in microgravity	15
Modelling large scale artery haemodynamics from the heart to the eye in response to simulated microgravity	15
Changes in real-world walking speed following 60-day bed-rest	14
Author Correction: Transcriptional responses of skeletal stem/progenitor cells to hindlimb unloading and recovery correlate with localized but not systemic multi-systems impacts	14
Examining the influence of turbulence on viscosity measurements of molten germanium under reduced gravity	14
The effects of microgravity on bone structure and function	14
Effects of caffeine and blue-enriched light on spare visual attention during simulated space teleoperation	13
How advances in low-g plumbing enable space exploration	13
Hypergravity is more challenging than microgravity for the human sensorimotor system	13
The MyoGravity project to study real microgravity effects on human muscle precursor cells and tissue	13
Explainable machine learning identifies multi-omics signatures of muscle response to spaceflight in mice	13
GLARE: discovering hidden patterns in spaceflight transcriptome using representation learning	13
Survival strategies of Rhinocladiella similis in perchlorate-rich Mars like environments	13
Unlocking the potential: analyzing 3D microstructure of small-scale cement samples from space using deep learning	13
Formaldehyde initiates memory and motor impairments under weightlessness condition	12
Rare diseases and space health: optimizing synergies from scientific questions to care	12
Response of cardiac pulse parameters in humans at various inclinations via 360° rotating platform for simulated microgravity perspective	12
Scientific perspectives on lunar exploration in Europe	12
The effect of space travel on human reproductive health: a systematic review	12
Future space experiment platforms for astrobiology and astrochemistry research	12
Microgravity studies of solidification patterns in model transparent alloys onboard the International Space Station	12
Unraveling dispersion and buoyancy dynamics around radial A + B → C reaction fronts: microgravity experiments and numerical simulations	12
The rubber hand illusion in microgravity and water immersion	12
Microgravity crystallization of perdeuterated tryptophan synthase for neutron diffraction	12
Cellular response in three-dimensional spheroids and tissues exposed to real and simulated microgravity: a narrative review	12
Validated space radiation exposure predictions from earth to mars during Artemis-I	12
Inspiration4 data access through the NASA Open Science Data Repository	12
The draining of capillary liquids from containers with interior corners aboard the ISS	11

Reinforcement learned adversarial agent (ReLAA) for active fault detection and prediction in space habitats	11
Electromagnetic levitation containerless processing of metallic materials in microgravity: rapid solidification	11
Discoveries from human stem cell research in space that are relevant to advancing cellular therapies on Earth	11
Robot-assisted surgery in space: pros and cons. A review from the surgeon’s point of view	11
Development and flight-testing of modular autonomous cultivation systems for biological plastics upcycling aboard the ISS	11
The impact of gravity on perceived object height	11
Revisiting the NASA surface tension driven convection experiments	11
Space-driven ROS in cells: a hidden danger to astronaut health and food safety	11
Assessing the scientific and economic impacts of the experiments conducted onboard the International Space Station	11
Microbial applications for sustainable space exploration beyond low Earth orbit	11
Human skeletal muscle tissue chip autonomous payload reveals changes in fiber type and metabolic gene expression due to spaceflight	11
Fluidic shaping and in-situ measurement of liquid lenses in microgravity	10
Bone strength and composition in spacefaring rodents: systematic review and meta-analysis	10
Soil conditioning for enhancing plant growth using biochar and hydrochar under microgravity	10
Nitrogen flow boiling and chilldown experiments in microgravity using pulse flow and low-thermally conductive coatings	10
The effect of long-term spaceflight on drug potency and the risk of medication failure	10
Calycosin prevents bone loss induced by hindlimb unloading	10
Influence of the spaceflight environment on macrophage lineages	10
Terrestrial health applications of visual assessment technology and machine learning in spaceflight associated neuro-ocular syndrome	10