OOIR: Observatory of International Research

Papers

(The TQCC of npj Microgravity is 11. 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 2022-01-01 to 2026-01-01.)

Article	Citations
Establishing a method for the cryopreservation of viable peripheral blood mononuclear cells in the International Space Station	101
Impacts of radiation exposure, hindlimb unloading, and recovery on murine skeletal muscle cell telomere length	63
Corner angle effects on capillary rise along curved interior corners	61
Implications of sex differences in orthostatic tolerance during exposure to acute artificial gravity	59
Cooling of a granular gas mixture in microgravity	54
Optic nerve sheath diameter and spaceflight: defining shortcomings and future directions	49
Vection underwater illustrates the limitations of neutral buoyancy as a microgravity analog	49
Microgravity triggers ferroptosis and accelerates senescence in the MG-63 cell model of osteoblastic cells	42
Enhanced assembly of bacteriophage T7 produced in cell-free reactions under simulated microgravity	41
Effect of microgravity on mechanical loadings in lumbar spine at various postures: a numerical study	38
Spaceflight exposome/microgravity effects on the psychoimmunoneuroendocrine system	31
The kidney, volume homeostasis and osmoregulation in space: current perspective and knowledge gaps	31
In vitro evidence of bubble-induced acoustic softening and Sanal flow choking in cardiovascular decompression	30
Management of corneal injuries in spaceflight and recommendations for planetary missions	29
Long-term microgravity experiments reveal a new mechanism for particle aggregation in suspension	28
Dynamic changes in perivascular space morphology predict signs of spaceflight-associated neuro-ocular syndrome in bed rest	28
Abdominal LIPUS ameliorates simulated microgravity induced skeletal muscle atrophy via the gut-muscle axis	27
Amyloidogenesis via interfacial shear in a containerless biochemical reactor aboard the International Space Station	26
Weightlessness leads to an increase granulosa cells in the growing follicle	25
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	24
Virtual reality-based sensory stimulation preferences at Amundsen-Scott South Pole station in Antarctica	24
Effect of calcium oxalate microcrystals on kidney proximal tubule epithelial cell gene expression in microgravity	23
Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments	22
Brief Communication: Confocal microscopy of oral streptococcal biofilms grown in simulated microgravity using a random positioning machine	22
Paving the way to better understand the effects of prolonged spaceflight on operational performance and its neural bases	22

Space habitats for bioengineering and surgical repair: addressing the requirement for reconstructive and research tissues during deep-space missions	22
Substrate metabolism in male astronauts onboard the International Space Station: the ENERGY study	21
Effects of whole-body vibration or resistive-vibration exercise on blood clotting and related biomarkers: a systematic review	21
Effects of exercise countermeasures on multisystem function in long duration spaceflight astronauts	20
Publisher Correction: Active matter in space	20
PI3K/AKT/mTOR pathway and c-Myc inhibit hepatocyte suspension under simulated microgravity	20
NASA GeneLab derived microarray studies of Mus musculus and Homo sapiens organisms in altered gravitational conditions	19
Potential regulatory modules to integrate microgravity signals into flowering pathways in Arabidopsis thaliana grown in space	18
Bisphosphonate conjugation enhances the bone-specificity of NELL-1-based systemic therapy for spaceflight-induced bone loss in mice	18
Optical observations of thunderstorms from the International Space Station: recent results and perspectives	17
A moonshot for female astronaut health, a win for all astronauts and space exploration	17
Free surface bubbly flow in an open capillary channel	17
Daily artificial gravity partially mitigates vestibular processing changes associated with head-down tilt bedrest	17
Recovery of bone microarchitecture and density four years after spaceflight: two case studies	17
Cryogenic helium subsurface pressurization in terrestrial and low-gravity: experiments and flow visualization	17
Simulated microgravity impairs human NK cell cytotoxic activity against space radiation-relevant leukemic cells	16
Synthetic biology for space exploration	16
Transcriptomic evidence of erythropoietic adaptation from the International Space Station and from an Earth-based space analog	16
RNA-seq analysis in simulated microgravity unveils down-regulation of the beta-rhizobial siderophore phymabactin	16
External to internal cranial perfusion shifts during simulated weightlessness: Results from a randomized cross-over trial	16
The value of a spaceflight clinical decision support system for earth-independent medical operations	15
Endothelial dysfunction markers and immune response indices in cosmonauts’ blood after long-duration space flights	15
A biological and ethical assessment of whether humans could or should reproduce in space	15
Effectiveness of caffeine and blue-enriched light on cognitive performance and electroencephalography correlates of alertness in a spaceflight robotics simulation	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
Stem cells in space: microgravity effects on stem cell fate and implications for regenerative medicine	15
Simulated lunar microgravity transiently arrests growth and induces osteocyte-chondrocyte lineage differentiation in human Wharton’s jelly stem cells	15
Enhancing the precision limits of interferometric satellite geodesy missions	15
GLARE: discovering hidden patterns in spaceflight transcriptome using representation learning	14
How advances in low-g plumbing enable space exploration	14
The effects of microgravity on bone structure and function	14
The MyoGravity project to study real microgravity effects on human muscle precursor cells and tissue	14
Effects of caffeine and blue-enriched light on spare visual attention during simulated space teleoperation	14
Unlocking the potential: analyzing 3D microstructure of small-scale cement samples from space using deep learning	14
Examining the influence of turbulence on viscosity measurements of molten germanium under reduced gravity	14
Changes in real-world walking speed following 60-day bed-rest	14
A systematic review of the cerebrovascular adaptations following exposure to spaceflight or ground-based analogs: lessons from human and animal studies	13
Long-duration human spaceflight induces atrophy in the left ventricular papillary muscles	13
Survival strategies of Rhinocladiella similis in perchlorate-rich Mars like environments	13
Explainable machine learning identifies multi-omics signatures of muscle response to spaceflight in mice	13
Hypergravity is more challenging than microgravity for the human sensorimotor system	13
The rubber hand illusion in microgravity and water immersion	12
Unraveling dispersion and buoyancy dynamics around radial A + B → C reaction fronts: microgravity experiments and numerical simulations	12
Mechanism of LEPR-mediated cholesterol metabolism involved in NK cell function suppression under simulated microgravity	12
Future space experiment platforms for astrobiology and astrochemistry research	12
Scientific perspectives on lunar exploration in Europe	12
Microgravity crystallization of perdeuterated tryptophan synthase for neutron diffraction	12
Inspiration4 data access through the NASA Open Science Data Repository	12
Response of cardiac pulse parameters in humans at various inclinations via 360° rotating platform for simulated microgravity perspective	12

The effect of space travel on human reproductive health: a systematic review	12
Formaldehyde initiates memory and motor impairments under weightlessness condition	12
Development and flight-testing of modular autonomous cultivation systems for biological plastics upcycling aboard the ISS	12
Rare diseases and space health: optimizing synergies from scientific questions to care	12
Validated space radiation exposure predictions from earth to mars during Artemis-I	12
Microgravity studies of solidification patterns in model transparent alloys onboard the International Space Station	12
Space-driven ROS in cells: a hidden danger to astronaut health and food safety	12
Cellular response in three-dimensional spheroids and tissues exposed to real and simulated microgravity: a narrative review	12
Assessing the scientific and economic impacts of the experiments conducted onboard the International Space Station	11
Human skeletal muscle tissue chip autonomous payload reveals changes in fiber type and metabolic gene expression due to spaceflight	11
Influence of the spaceflight environment on macrophage lineages	11
Nitrogen flow boiling and chilldown experiments in microgravity using pulse flow and low-thermally conductive coatings	11
Terrestrial health applications of visual assessment technology and machine learning in spaceflight associated neuro-ocular syndrome	11
The impact of gravity on perceived object height	11
Reinforcement learned adversarial agent (ReLAA) for active fault detection and prediction in space habitats	11
Revisiting the NASA surface tension driven convection experiments	11
Discoveries from human stem cell research in space that are relevant to advancing cellular therapies on Earth	11