OOIR: Observatory of International Research

Papers

(The TQCC of npj Microgravity is 9. 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 2021-05-01 to 2025-05-01.)

Article	Citations
Optic nerve sheath diameter and spaceflight: defining shortcomings and future directions	99
Effect of microgravity on mechanical loadings in lumbar spine at various postures: a numerical study	70
Establishing a method for the cryopreservation of viable peripheral blood mononuclear cells in the International Space Station	62
Sessile drops in weightlessness: an ideal playground for challenging Young’s equation	55
Critical heat flux enhancement in microgravity conditions coupling microstructured surfaces and electrostatic field	52
Impact of convection on the damping of an oscillating droplet during viscosity measurement using the ISS-EML facility	46
Vection underwater illustrates the limitations of neutral buoyancy as a microgravity analog	44
Cooling of a granular gas mixture in microgravity	37
Impacts of radiation exposure, hindlimb unloading, and recovery on murine skeletal muscle cell telomere length	37
The kidney, volume homeostasis and osmoregulation in space: current perspective and knowledge gaps	35
Microgravity triggers ferroptosis and accelerates senescence in the MG-63 cell model of osteoblastic cells	33
Enhanced assembly of bacteriophage T7 produced in cell-free reactions under simulated microgravity	33
Amyloidogenesis via interfacial shear in a containerless biochemical reactor aboard the International Space Station	29
Paving the way to better understand the effects of prolonged spaceflight on operational performance and its neural bases	29
Dynamic changes in perivascular space morphology predict signs of spaceflight-associated neuro-ocular syndrome in bed rest	27
Weightlessness leads to an increase granulosa cells in the growing follicle	21
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	21
Passive limitation of surface contamination by perFluoroDecylTrichloroSilane coatings in the ISS during the MATISS experiments	20
Management of corneal injuries in spaceflight and recommendations for planetary missions	20
Brief Communication: Confocal microscopy of oral streptococcal biofilms grown in simulated microgravity using a random positioning machine	19
Effects of exercise countermeasures on multisystem function in long duration spaceflight astronauts	19
Space habitats for bioengineering and surgical repair: addressing the requirement for reconstructive and research tissues during deep-space missions	19
Substrate metabolism in male astronauts onboard the International Space Station: the ENERGY study	18
Effects of whole-body vibration or resistive-vibration exercise on blood clotting and related biomarkers: a systematic review	18
Publisher Correction: Active matter in space	18

Bisphosphonate conjugation enhances the bone-specificity of NELL-1-based systemic therapy for spaceflight-induced bone loss in mice	17
Transcriptomic evidence of erythropoietic adaptation from the International Space Station and from an Earth-based space analog	17
NASA GeneLab derived microarray studies of Mus musculus and Homo sapiens organisms in altered gravitational conditions	17
RNA-seq analysis in simulated microgravity unveils down-regulation of the beta-rhizobial siderophore phymabactin	16
Optical observations of thunderstorms from the International Space Station: recent results and perspectives	16
Simulated microgravity impairs human NK cell cytotoxic activity against space radiation-relevant leukemic cells	16
The value of a spaceflight clinical decision support system for earth-independent medical operations	16
External to internal cranial perfusion shifts during simulated weightlessness: Results from a randomized cross-over trial	16
Daily artificial gravity partially mitigates vestibular processing changes associated with head-down tilt bedrest	16
Simulated lunar microgravity transiently arrests growth and induces osteocyte-chondrocyte lineage differentiation in human Wharton’s jelly stem cells	16
Effectiveness of caffeine and blue-enriched light on cognitive performance and electroencephalography correlates of alertness in a spaceflight robotics simulation	15
Modelling large scale artery haemodynamics from the heart to the eye in response to simulated microgravity	15
Uncertainty analysis and performance evaluation of thermophysical property measurement of liquid Au in microgravity	15
Endothelial dysfunction markers and immune response indices in cosmonauts’ blood after long-duration space flights	15
Enhancing the precision limits of interferometric satellite geodesy missions	15
The effects of microgravity on bone structure and function	14
Changes in real-world walking speed following 60-day bed-rest	14
How advances in low-g plumbing enable space exploration	13
Effects of caffeine and blue-enriched light on spare visual attention during simulated space teleoperation	13
Examining the influence of turbulence on viscosity measurements of molten germanium under reduced gravity	12
Validated space radiation exposure predictions from earth to mars during Artemis-I	12
Hypergravity is more challenging than microgravity for the human sensorimotor system	12
Author Correction: Transcriptional responses of skeletal stem/progenitor cells to hindlimb unloading and recovery correlate with localized but not systemic multi-systems impacts	12
Inspiration4 data access through the NASA Open Science Data Repository	12
The MyoGravity project to study real microgravity effects on human muscle precursor cells and tissue	12
Unlocking the potential: analyzing 3D microstructure of small-scale cement samples from space using deep learning	12
Explainable machine learning identifies multi-omics signatures of muscle response to spaceflight in mice	12
Response of cardiac pulse parameters in humans at various inclinations via 360° rotating platform for simulated microgravity perspective	11
Future space experiment platforms for astrobiology and astrochemistry research	11
Robot-assisted surgery in space: pros and cons. A review from the surgeon’s point of view	11
Formaldehyde initiates memory and motor impairments under weightlessness condition	11
Microgravity studies of solidification patterns in model transparent alloys onboard the International Space Station	11
The effect of space travel on human reproductive health: a systematic review	11
The rubber hand illusion in microgravity and water immersion	11
Microgravity crystallization of perdeuterated tryptophan synthase for neutron diffraction	11
Rare diseases and space health: optimizing synergies from scientific questions to care	11
Cellular response in three-dimensional spheroids and tissues exposed to real and simulated microgravity: a narrative review	11
Unraveling dispersion and buoyancy dynamics around radial A + B → C reaction fronts: microgravity experiments and numerical simulations	11
The draining of capillary liquids from containers with interior corners aboard the ISS	10
The impact of gravity on perceived object height	10
Discoveries from human stem cell research in space that are relevant to advancing cellular therapies on Earth	10
Human skeletal muscle tissue chip autonomous payload reveals changes in fiber type and metabolic gene expression due to spaceflight	10
Reinforcement learned adversarial agent (ReLAA) for active fault detection and prediction in space habitats	10
Histone deacetylase HDA-4-mediated epigenetic regulation in space-flown C. elegans	10
Fluidic shaping and in-situ measurement of liquid lenses in microgravity	10
Scientific perspectives on lunar exploration in Europe	10
A magnetic levitation based low-gravity simulator with an unprecedented large functional volume	10
Electromagnetic levitation containerless processing of metallic materials in microgravity: rapid solidification	10
Revisiting the NASA surface tension driven convection experiments	10
Transcriptional responses of skeletal stem/progenitor cells to hindlimb unloading and recovery correlate with localized but not systemic multi-systems impacts	9

Quantitative ultrasound image assessment of the optic nerve subarachnoid space during 90-day head-down tilt bed rest	9
Terrestrial health applications of visual assessment technology and machine learning in spaceflight associated neuro-ocular syndrome	9
Influence of the spaceflight environment on macrophage lineages	9
The effect of long-term spaceflight on drug potency and the risk of medication failure	9
Magnetic phase separation in microgravity	9
Bone strength and composition in spacefaring rodents: systematic review and meta-analysis	9
Nitrogen flow boiling and chilldown experiments in microgravity using pulse flow and low-thermally conductive coatings	9
Microbial applications for sustainable space exploration beyond low Earth orbit	9
Simulated deep space exposure on seeds utilizing the MISSE flight facility	9
Development and characterization of a low intensity vibrational system for microgravity studies	9
Bioreactor development for skeletal muscle hypertrophy and atrophy by manipulating uniaxial cyclic strain: proof of concept	9
Calycosin prevents bone loss induced by hindlimb unloading	9
A three-dimensional flow model of screen channel liquid acquisition devices for propellant management in microgravity	9