Na Guo

ORCID: 0000-0003-3921-747X
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About
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Research Areas
  • Graphene research and applications
  • Nanoparticle-Based Drug Delivery
  • Obstructive Sleep Apnea Research
  • Nanoplatforms for cancer theranostics
  • Neuroscience of respiration and sleep
  • Nanomaterials for catalytic reactions
  • Frailty in Older Adults
  • Lymphoma Diagnosis and Treatment
  • Asymmetric Hydrogenation and Catalysis
  • Sleep and related disorders
  • Molecular Junctions and Nanostructures
  • Hematopoietic Stem Cell Transplantation
  • MXene and MAX Phase Materials
  • 2D Materials and Applications
  • Advancements in Battery Materials
  • Cancer Immunotherapy and Biomarkers
  • Renal Diseases and Glomerulopathies
  • Catalytic Processes in Materials Science
  • Monoclonal and Polyclonal Antibodies Research
  • Calcium Carbonate Crystallization and Inhibition
  • Quantum and electron transport phenomena
  • Cancer therapeutics and mechanisms
  • Cardiovascular and Diving-Related Complications
  • Radiomics and Machine Learning in Medical Imaging
  • Sleep and Work-Related Fatigue

Southwest University
2025

Fudan University
2016-2025

Sun Yat-sen University
2016-2024

Sun Yat-sen University Cancer Center
2016-2024

Lanzhou University
2023-2024

Shandong First Medical University
2022-2024

Zunyi Medical University
2023-2024

Zhejiang Cancer Hospital
2024

Chinese Academy of Sciences
2008-2024

Jilin University
2008-2024

Water scarcity is a ubiquitous problem with its magnitude expected to rise in the near future, and efforts seek alternative water sources are on rise. Harvesting from air has intrigued enormous research interest among many groups Scientific American listing this technology as second most impactful that can bring about massive change people's lives. Though desalination offers huge prospect mitigating crisis, practicality limited by exorbitant energy requirement. Alternatively, above sea...

10.1002/adma.201806730 article EN Advanced Materials 2019-01-13

Controllable synthesis of single atom catalysts (SACs) with high loading remains challenging due to the aggregation tendency metal atoms as surface coverage increases. Here we report graphene supported cobalt SACs (Co1/G) a tuneable by atomic layer deposition. Ozone treatment support not only eliminates undesirable ligands pre-deposited precursors, but also regenerates active sites for precise tuning density Co atoms. The Co1/G demonstrate exceptional activity and selectivity hydrogenation...

10.1038/s41467-018-05754-9 article EN cc-by Nature Communications 2018-08-06

The ability to tune both local and global environments of a single-metal active center on support is crucial for the development highly robust efficient single-atom electrocatalysts (SAECs) that can surmount thermodynamic kinetic constraints in electrocatalysis. Here, we designed core–shell-structured SAEC (Co1-SAC) with superior oxygen reduction reaction (ORR) performance. Co1-SAC consists locally engineered single Co-N3C1 site N-doped microporous amorphous carbon enveloped by globally...

10.1021/acscatal.0c00936 article EN ACS Catalysis 2020-04-02

Abstract The ability to precisely engineer the doping of sub-nanometer bimetallic clusters offers exciting opportunities for tailoring their catalytic performance with atomic accuracy. However, fabrication singly dispersed cluster catalysts atomic-level control dopants has been a long-standing challenge. Herein, we report strategy controllable synthesis doped single catalyst consisting partially ligand-enveloped Au 4 Pt 2 supported on defective graphene. This creates bimetal (Au /G)...

10.1038/s41467-020-18080-w article EN cc-by Nature Communications 2020-09-01

Atmospheric humidity, an abundant source of water, is widely considered as a redundant resource demanding expense energy to maintain it under comfortable levels for human habitation.

10.1039/c8ee00902c article EN Energy & Environmental Science 2018-01-01

Graphene, the reincarnation of a surface, offers new opportunities in catalytic applications, not only because its peculiar electronic structure, but also ease modulating it. A vast number proposals have been made to support this point, there has lack systematic understanding different roles graphene, as many other reviews published focused on synthesis and characterization various graphene-based catalysts. In review, we surveyed literature related theoretical experimental realizations...

10.3390/catal10010053 article EN Catalysts 2020-01-01

African Americans have been under-represented in obstructive sleep apnea (OSA) research. This study determined the prevalence and correlates of OSA overall by sex among Jackson Heart Sleep Study.Participants (N = 852) underwent a type 3 in-home study, 7 day wrist actigraphy completed standardized measurements questionnaires. was defined as an apnea-hypopnea index (AHI) ≥15, where hypopneas were ≥ 4% associated desaturation. Physician diagnosis self-reported. Logistic regression models fit to...

10.1093/sleep/zsy154 article EN SLEEP 2018-09-05

Abstract Graphene-based solid-state catalysis is an emerging direction in research on graphene, which opens new opportunities graphene applications and thus has attracted enormous interests recently. A central issue graphene-based the lack of effective yet practical way to activate chemically inert largely due difficulties direct treatment (such as doping transition metal elements introducing particular type vacancies). Here we report a overcome these by promoting reactivity catalytic...

10.1038/s41699-017-0046-y article EN cc-by npj 2D Materials and Applications 2018-01-11

Manganese dioxide (MnO2 )-based nanoparticles are a promising tumor microenvironment-responsive nanotheranostic carrier for targeted magnetic resonance imaging (MRI) and alleviating hypoxia. However, the complexity potential toxicity of present common synthesis methods limit their clinical application. Herein, multifunctional hyaluronic acid-MnO2 (HA-MnO2 NPs) synthesized in simple way by directly mixing sodium permanganate with HA aqueous solutions, which serve as both reducing agent...

10.1002/adhm.201900047 article EN Advanced Healthcare Materials 2019-03-28

Importance Trials have not demonstrated superiority of alteplase or tenecteplase vs standard care in patients with mild stroke and raised safety concerns. Prourokinase is an alternative fibrinolytic that may a favorable profile, the benefit-risk profile prourokinase unknown. Objective To investigate efficacy ischemic within 4.5 hours symptom onset. Design, Setting, Participants This was multicenter, prospective, open-label, blinded–end point randomized clinical trial conducted from November...

10.1001/jamaneurol.2024.4688 article EN JAMA Neurology 2025-01-21

Background: Blacks have a high prevalence of hypertension and uncontrolled blood pressure (BP), each which may be partially explained by untreated sleep apnea. We investigated the association apnea with BP resistant in blacks. Methods: Between 2012 2016, Jackson Heart Sleep Study participants (N=913) underwent an in-home Type 3 study, clinic measurements, anthropometry. Moderate or severe obstructive (OSA) was defined as respiratory event index ≥15, nocturnal hypoxemia quantified percent...

10.1161/circulationaha.118.036675 article EN Circulation 2019-01-17

2D black phosphorus configured field-effect transistors generally show a hole-transport-dominated ambipolar characteristic, owing to the severely restricted electron mobility by air ambient. Here, we demonstrate strongly modulated of few-layer in contact with oxygen. Pure oxygen exposure can dramatically decrease over three orders magnitudes without degrading hole transport. In situ x-ray photoelectron spectroscopy characterization reveals physisorption nature on phosphorus. Density...

10.1088/2053-1583/aa59ce article EN 2D Materials 2017-01-17

We examined the night-to-night associations of evening use alcohol, caffeine, and nicotine with actigraphically estimated sleep duration, efficiency, wake after onset (WASO) among a large cohort African American adults.

10.1093/sleep/zsz136 article EN SLEEP 2019-08-06

We developed and validated a contrast-enhanced spectral mammography (CESM)-based radiomics nomogram to predict neoadjuvant chemotherapy (NAC)-insensitive breast cancers prior treatment.We enrolled 117 patients with cancer who underwent CESM examination NAC treatment from July 2017 April 2019. The were grouped randomly into training set (n = 97) validation 20) in ratio of 8:2. 792 features extracted images including low-energy recombined for each patient. Optimal selected by using analysis...

10.3389/fonc.2021.605230 article EN cc-by Frontiers in Oncology 2021-02-22

Bacterial activities have been demonstrated as critical for protodolomite precipitation in specific aqueous conditions, whereas the relationship between various hydrochemical factors and bacterial activity has not fully explored. In this study, biomineralization experiments were conducted using a newly isolated extreme halophilic bacterium from salina mud, Vibrio harveyi QPL2, under Mg/Ca molar ratios (0, 3, 6, 10, 12) salinity of 200‰. The mineral phases, elemental composition, morphology,...

10.3389/fmicb.2022.821968 article EN cc-by Frontiers in Microbiology 2022-04-05

Background and Purpose— Many health effects of sleep apnea (SA) may be mediated through accelerated atherosclerosis. We examined the associations snoring several measurements SA with subclinical carotid atherosclerosis in a large multiethnic population sample. Methods— This analysis included 1615 participants (mean age, 68 years) from examination 5 (2010–2013) MESA study (Multi-Ethnic Study Atherosclerosis). Sleep measures including (apnea-hypopnea index [4%], ≥15 events/hour) were derived...

10.1161/strokeaha.118.022184 article EN Stroke 2019-10-15

Abstract Study Objectives To characterize objectively assessed sleep–wake patterns in infants at approximately 1 month and 6 months examine the differences among with different racial/ethnic backgrounds household socioeconomic status (SES). Methods Full-term healthy singletons wore an ankle-placed actigraph parents completed sleep diaries. Associations of indices outcomes were examined using multivariable analyses. Covariates included sex, birth weight for gestational age z-score,...

10.1093/sleep/zsaa193 article EN SLEEP 2020-10-15

Abstract Single cluster catalysts (SCCs) consisting of atomically precise metal nanoclusters dispersed on supports represent a new frontier heterogeneous catalysis. However, the ability to synthesize SCCs with high loading and precisely introduce non‐metal atoms further tune their catalytic activity reaction scope have been longstanding challenges. Here, interface confinement strategy is developed for synthesis density Ru oxide (Ru 3 O 2 ) reduced graphene (rGO), attributed suppression...

10.1002/adfm.202200933 article EN Advanced Functional Materials 2022-03-16
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