Li‐Na Geng

ORCID: 0000-0002-2735-6061
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Lanthanide and Transition Metal Complexes
  • Carbon and Quantum Dots Applications
  • Magnetism in coordination complexes
  • Electrochemical sensors and biosensors
  • Electrochemical Analysis and Applications
  • Nanocluster Synthesis and Applications
  • Analytical Chemistry and Sensors
  • Advanced biosensing and bioanalysis techniques
  • Iron Metabolism and Disorders
  • Metal-Organic Frameworks: Synthesis and Applications
  • Trace Elements in Health
  • Crystallography and molecular interactions
  • Metal complexes synthesis and properties
  • Electron Spin Resonance Studies
  • Luminescence and Fluorescent Materials
  • Nanoparticle-Based Drug Delivery
  • Advanced Nanomaterials in Catalysis
  • Hemoglobinopathies and Related Disorders
  • Chemical Thermodynamics and Molecular Structure
  • Conducting polymers and applications
  • Mercury impact and mitigation studies
  • Heavy Metal Exposure and Toxicity
  • RNA Interference and Gene Delivery

Hebei Normal University
2014-2024

Hebei North University
2024

Shijiazhuang University
2014-2019

Harbin Institute of Technology
2015-2018

Hanshan Normal University
2018

Sion Power (United States)
1992-1996

Brookhaven National Laboratory
1989

University of North Carolina at Chapel Hill
1986

Hollow carbon dots (HCDs), as drug carriers, and doxorubicin (DOX), a model drug, were selected to prepare HCDs-DOX-loading system. First, HCDs prepared by hydrothermal method characterized transmission electron microscopy (TEM), powder X-ray diffraction (PXRD), nuclear magnetic resonance (13C NMR), UV-vis absorption, Fourier-transform infrared (FT-IR) photoelectron spectroscopies (XPS). The then used load DOX. drug-loading system of HCDs-DOX was zeta potential measurements, absorption...

10.1039/c9tb00032a article EN Journal of Materials Chemistry B 2019-01-01

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTElectrochemical reactions of solutes and electroactive polymer films in low dielectric media: toluene heptaneL. Geng, Andrew G. Ewing, J. C. Jernigan, Royce W. MurrayCite this: Anal. Chem. 1986, 58, 4, 852–860Publication Date (Print):April 1, 1986Publication History Published online1 May 2002Published inissue 1 April 1986https://pubs.acs.org/doi/10.1021/ac00295a046https://doi.org/10.1021/ac00295a046research-articleACS PublicationsRequest reuse...

10.1021/ac00295a046 article EN Analytical Chemistry 1986-04-01

Four dinuclear trivalent lanthanide complexes of the general formula [Ln2(2-Br-5-MOBA)6(phen)2] (Ln = Nd(), Sm(), Ho(), Er(); 2-Br-5-MOBA 2-bromine-5-methoxybenzoate, phen 1,10-phenanthroline) were prepared and structurally characterized. The to are isostructural with a coordination number nine. carboxylic acid ligands adopt bridging, bidentate chelating, tridentate chelating bridging modes coordinate Ln(iii) ions. structures confirmed on basis elemental analysis, molar conductance,...

10.1039/c5dt01969a article EN Dalton Transactions 2015-01-01

Iron deficiency in children can have significant neurological consequences, and iron supplementation is an effective treatment of choice. However, traditional routes do not allow efficient delivery to the brain due presence blood-brain barrier. So easily delivered formulation with high absorption efficiency potentially could find widespread application deficient infants.In this study, we developed characterized a nanovesicular ferric ammonium citrate (ferric nanoliposomes, FAC-LIP) shown...

10.1186/s12951-017-0277-2 article EN cc-by Journal of Nanobiotechnology 2017-06-02

Chronic intermittent hypoxia (CIH) could cause neuronal damage, accelerating the progression of dementia. However, safe and effective therapeutic drugs delivery are needed for successful CIH therapy.

10.2147/ijn.s393346 article EN cc-by-nc International Journal of Nanomedicine 2023-02-01

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTChemical phenomena in solid-state voltammetry polymer solventsL. Geng, R. A. Reed, M. H. Kim, T. Wooster, B. N. Oliver, J. Egekeze, Kennedy, W. Jorgenson, F. Parcher, and Royce MurrayCite this: Am. Chem. Soc. 1989, 111, 5, 1614–1619Publication Date (Print):March 1, 1989Publication History Published online1 May 2002Published inissue 1 March 1989https://pubs.acs.org/doi/10.1021/ja00187a013https://doi.org/10.1021/ja00187a013research-articleACS...

10.1021/ja00187a013 article EN Journal of the American Chemical Society 1989-03-01

Complexes <bold>1</bold> and <bold>2</bold> are stitched together <italic>via</italic> Cl–π hydrogen bonding interactions to form 1D, 2D, 3D supramolecular structures, while complexes <bold>3</bold> <bold>4</bold> packed by Cl–Cl, π–π, 2D structures.

10.1039/c6ra11393a article EN RSC Advances 2016-01-01

ADVERTISEMENT RETURN TO ISSUEPREVArticleNEXTOxidative microelectrode voltammetry of tetraphenylporphyrin and copper in toluene solventL. Geng Royce W. MurrayCite this: Inorg. Chem. 1986, 25, 18, 3115–3120Publication Date (Print):August 1, 1986Publication History Published online1 May 2002Published inissue 1 August 1986https://doi.org/10.1021/ic00238a003RIGHTS & PERMISSIONSArticle Views312Altmetric-Citations41LEARN ABOUT THESE METRICSArticle Views are the COUNTER-compliant sum full text...

10.1021/ic00238a003 article EN Inorganic Chemistry 1986-08-01

Heteroatom-doping carbon dots (CDs) have excellent fluorescence properties. In the paper, nitrogen (N) and phosphorus (P) co-doped CDs (N, P-CDs) were prepared through hydrothermal method characterized by TEM, PXRD, FT-IR, 13C NMR, XPS, UV–vis, spectra. The optical properties drug (doxorubicin) - delivery performance of N, P-CDs also studied. results showed that average size was 3.64 nm quantum yield 30 %. had down- up-conversion properties, luminescence mechanism explained. loading capacity...

10.1016/j.arabjc.2023.104671 article EN cc-by-nc-nd Arabian Journal of Chemistry 2023-02-15

In the temperature range of 280 to 350 K, there is a solid-to-solid phase transition for each complex, which further evidenced by four thermal circulating processes with scanning rate 10 K min<sup>−1</sup>.

10.1039/c4ra12063a article EN RSC Advances 2014-12-10
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