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 2021-08-01 to 2025-08-01.)

Article	Citations
Establishing a method for the cryopreservation of viable peripheral blood mononuclear cells in the International Space Station	76
Sessile drops in weightlessness: an ideal playground for challenging Young’s equation	73
Impacts of radiation exposure, hindlimb unloading, and recovery on murine skeletal muscle cell telomere length	59
Optic nerve sheath diameter and spaceflight: defining shortcomings and future directions	55
Enhanced assembly of bacteriophage T7 produced in cell-free reactions under simulated microgravity	47
Cooling of a granular gas mixture in microgravity	46
Microgravity triggers ferroptosis and accelerates senescence in the MG-63 cell model of osteoblastic cells	41
Vection underwater illustrates the limitations of neutral buoyancy as a microgravity analog	40
Impact of convection on the damping of an oscillating droplet during viscosity measurement using the ISS-EML facility	38
Critical heat flux enhancement in microgravity conditions coupling microstructured surfaces and electrostatic field	35
Effect of microgravity on mechanical loadings in lumbar spine at various postures: a numerical study	34
The kidney, volume homeostasis and osmoregulation in space: current perspective and knowledge gaps	28
Weightlessness leads to an increase granulosa cells in the growing follicle	27
Amyloidogenesis via interfacial shear in a containerless biochemical reactor aboard the International Space Station	26
Dynamic changes in perivascular space morphology predict signs of spaceflight-associated neuro-ocular syndrome in bed rest	24
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
Management of corneal injuries in spaceflight and recommendations for planetary missions	23
Virtual reality-based sensory stimulation preferences at Amundsen-Scott South Pole station in Antarctica	22
Brief Communication: Confocal microscopy of oral streptococcal biofilms grown in simulated microgravity using a random positioning machine	21
Paving the way to better understand the effects of prolonged spaceflight on operational performance and its neural bases	21
Effects of whole-body vibration or resistive-vibration exercise on blood clotting and related biomarkers: a systematic review	21
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	20
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

Publisher Correction: Active matter in space	20
NASA GeneLab derived microarray studies of Mus musculus and Homo sapiens organisms in altered gravitational conditions	19
Daily artificial gravity partially mitigates vestibular processing changes associated with head-down tilt bedrest	18
Bisphosphonate conjugation enhances the bone-specificity of NELL-1-based systemic therapy for spaceflight-induced bone loss in mice	18
The value of a spaceflight clinical decision support system for earth-independent medical operations	18
Transcriptomic evidence of erythropoietic adaptation from the International Space Station and from an Earth-based space analog	18
Synthetic biology for space exploration	16
Simulated microgravity impairs human NK cell cytotoxic activity against space radiation-relevant leukemic cells	16
RNA-seq analysis in simulated microgravity unveils down-regulation of the beta-rhizobial siderophore phymabactin	15
Cryogenic helium subsurface pressurization in terrestrial and low-gravity: experiments and flow visualization	15
External to internal cranial perfusion shifts during simulated weightlessness: Results from a randomized cross-over trial	15
A moonshot for female astronaut health, a win for all astronauts and space exploration	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	14
Simulated lunar microgravity transiently arrests growth and induces osteocyte-chondrocyte lineage differentiation in human Wharton’s jelly stem cells	14
Uncertainty analysis and performance evaluation of thermophysical property measurement of liquid Au in microgravity	14
Recovery of bone microarchitecture and density four years after spaceflight: two case studies	14
Enhancing the precision limits of interferometric satellite geodesy missions	14
Endothelial dysfunction markers and immune response indices in cosmonauts’ blood after long-duration space flights	13
Effects of caffeine and blue-enriched light on spare visual attention during simulated space teleoperation	13
The effects of microgravity on bone structure and function	13
Changes in real-world walking speed following 60-day bed-rest	13
Modelling large scale artery haemodynamics from the heart to the eye in response to simulated microgravity	13
Explainable machine learning identifies multi-omics signatures of muscle response to spaceflight in mice	12
Survival strategies of Rhinocladiella similis in perchlorate-rich Mars like environments	12
Response of cardiac pulse parameters in humans at various inclinations via 360° rotating platform for simulated microgravity perspective	12
Unlocking the potential: analyzing 3D microstructure of small-scale cement samples from space using deep learning	12
The MyoGravity project to study real microgravity effects on human muscle precursor cells and tissue	12
How advances in low-g plumbing enable space exploration	12
Unraveling dispersion and buoyancy dynamics around radial A + B → C reaction fronts: microgravity experiments and numerical simulations	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
Hypergravity is more challenging than microgravity for the human sensorimotor system	12
Formaldehyde initiates memory and motor impairments under weightlessness condition	12
Examining the influence of turbulence on viscosity measurements of molten germanium under reduced gravity	12
Future space experiment platforms for astrobiology and astrochemistry research	11
Rare diseases and space health: optimizing synergies from scientific questions to care	11
Microgravity studies of solidification patterns in model transparent alloys onboard the International Space Station	11
The impact of gravity on perceived object height	11
Robot-assisted surgery in space: pros and cons. A review from the surgeon’s point of view	11
Microgravity crystallization of perdeuterated tryptophan synthase for neutron diffraction	11
Cellular response in three-dimensional spheroids and tissues exposed to real and simulated microgravity: a narrative review	11
Inspiration4 data access through the NASA Open Science Data Repository	11
Scientific perspectives on lunar exploration in Europe	11
Development and flight-testing of modular autonomous cultivation systems for biological plastics upcycling aboard the ISS	11
The rubber hand illusion in microgravity and water immersion	11
The effect of space travel on human reproductive health: a systematic review	11
Validated space radiation exposure predictions from earth to mars during Artemis-I	11
The draining of capillary liquids from containers with interior corners aboard the ISS	11
Calycosin prevents bone loss induced by hindlimb unloading	11
Human skeletal muscle tissue chip autonomous payload reveals changes in fiber type and metabolic gene expression due to spaceflight	10

Assessing the scientific and economic impacts of the experiments conducted onboard the International Space Station	10
Soil conditioning for enhancing plant growth using biochar and hydrochar under microgravity	10
The effect of long-term spaceflight on drug potency and the risk of medication failure	10
Histone deacetylase HDA-4-mediated epigenetic regulation in space-flown C. elegans	10
Nitrogen flow boiling and chilldown experiments in microgravity using pulse flow and low-thermally conductive coatings	10
A magnetic levitation based low-gravity simulator with an unprecedented large functional volume	10
Fluidic shaping and in-situ measurement of liquid lenses in microgravity	10
Discoveries from human stem cell research in space that are relevant to advancing cellular therapies on Earth	10
Terrestrial health applications of visual assessment technology and machine learning in spaceflight associated neuro-ocular syndrome	9
Bone strength and composition in spacefaring rodents: systematic review and meta-analysis	9
Simulated deep space exposure on seeds utilizing the MISSE flight facility	9
Microbial applications for sustainable space exploration beyond low Earth orbit	9
Revisiting the NASA surface tension driven convection experiments	9
A three-dimensional flow model of screen channel liquid acquisition devices for propellant management in microgravity	9
Reinforcement learned adversarial agent (ReLAA) for active fault detection and prediction in space habitats	9
Adoption of microfluidic MEA technology for electrophysiology of 3D neuronal networks exposed to suborbital conditions	9
Electromagnetic levitation containerless processing of metallic materials in microgravity: rapid solidification	9
Influence of the spaceflight environment on macrophage lineages	9
Bioreactor development for skeletal muscle hypertrophy and atrophy by manipulating uniaxial cyclic strain: proof of concept	9
Transcriptional responses of skeletal stem/progenitor cells to hindlimb unloading and recovery correlate with localized but not systemic multi-systems impacts	9