Zhen Ma

ORCID: 0000-0002-1629-7764
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About
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Research Areas
  • Crystallization and Solubility Studies
  • X-ray Diffraction in Crystallography
  • Metal complexes synthesis and properties
  • Crystallography and molecular interactions
  • Metal-Organic Frameworks: Synthesis and Applications
  • Magnetism in coordination complexes
  • Crystal structures of chemical compounds
  • Synthesis and Characterization of Heterocyclic Compounds
  • Ferrocene Chemistry and Applications
  • Molecular Sensors and Ion Detection
  • Lanthanide and Transition Metal Complexes
  • Supramolecular Chemistry and Complexes
  • Synthesis and biological activity
  • Oxidative Organic Chemistry Reactions
  • Analytical Chemistry and Chromatography
  • Catalytic C–H Functionalization Methods
  • Electrocatalysts for Energy Conversion
  • DNA and Nucleic Acid Chemistry
  • Organometallic Complex Synthesis and Catalysis
  • Metalloenzymes and iron-sulfur proteins
  • Glaucoma and retinal disorders
  • Axial and Atropisomeric Chirality Synthesis
  • Mass Spectrometry Techniques and Applications
  • Biodiesel Production and Applications
  • Traditional Chinese Medicine Analysis

University of Shanghai for Science and Technology
2023-2025

Henan University
2025

Guangxi University
2015-2024

Shaanxi Provincial Hospital of Traditional Chinese Medicine
2024

Hangzhou Medical College
2023-2024

Jining First People's Hospital
2024

Shandong First Medical University
2024

Guizhou Normal University
2022-2024

Shandong Provincial Hospital
2023

Shandong University
2023

The reactions between 4'-phenyl-terpyridine (L) and nitrate, acetate or chloride Cu(II) salts led to the formation of [Cu(NO3)2L] (1), [Cu(OCOCH3)2L]·CH2Cl2 (2·CH2Cl2) [CuCl2L]·[Cu(Cl)(μ-Cl)L]2 (3), respectively. Upon dissolving 1 in mixtures DMSO-MeOH EtOH-DMF compounds [Cu(H2O){OS(CH3)2}L](NO3)2 (4) [Cu(HO)(CH3CH2OH)L](NO3) (5) were obtained, this order. Reaction 3 with AgSO3CF3 [CuCl(OSO2CF3)L] (6). characterized by ESI-MS, IR, elemental analysis, electrochemical techniques and, for 2-6,...

10.1039/c3dt53054j article EN Dalton Transactions 2013-12-24

Mononuclear 4,4′-phenyl-terpyridine copper(<sc>ii</sc>) complexes with<italic>p</italic>-toluenesulfonate, benzoate,<italic>o</italic>-,<italic>m</italic>- and<italic>p</italic>-hydroxybenzoate were synthesized and their cytotoxic properties studied.

10.1039/c5dt02744f article EN Dalton Transactions 2016-01-01

Reactions between 4′-phenyl-terpyridine (L) and several Zn(II) salts (trifluoromethane sulfonate, p-toluenesulfonate, benzoate, p-hydroxybenzoate, o-hydroxybenzoate or m-hydroxybenzoate) led to the formation of complexes [Zn(OSO2CF3)2L(H2O)] (1), [Zn(p-OSO2PhCH3)2L] (2), [Zn(OCOPh)2L] (3), [Zn(p-OCOPhOH)2L] (4), [Zn(o-OCOPhOH)2L] (5) [Zn(m-OCOPhOH)2L] (6), which were characterized by elemental analysis, 1H NMR, 13C IR, single crystal X-ray diffraction fluorescence spectroscopies. In 1, Zn...

10.1039/c3nj41176a article EN New Journal of Chemistry 2013-01-01

Reactions between halogen substituted terpyridine ligands F- (L1), Cl- (L2), Br- (L3) and I-4'-phenyl-terpyridine (L4) ZnBr2 or ZnI2 led to the formation of complexes [Zn(Br)2L1] (1), [Zn(i)2L1] (2), [Zn(Br)2L2] (3), [Zn(i)2L2] (4), [Zn(Br)2L3] (5), [Zn(i)2L3] (6), [Zn(Br)2L4] (7), [Zn(i)2L4] (8), respectively, which were characterized by elemental analysis, 1H NMR, IR single crystal X-ray diffraction. Their photoluminescence properties, solution stabilities, hydrophilicity/lipophilicity...

10.1039/c8dt04924f article EN Dalton Transactions 2019-01-01

A series of ZnCl2 complexes (compounds 1-10) with 4'-(substituted-phenyl)-2,2':6',2''-terpyridine that bears hydrogen (L1), p-methyl (L2), p-methoxy (L3), p-phenyl (L4), p-tolyl (L5), p-hydroxyl (L6), m-hydroxyl (L7), o-hydroxyl (L8), p-carboxyl (L9), or p-methylsulfonyl (L10) were prepared and then characterized by 1H NMR, electrospray mass-spectra (ESI-MS), IR, elemental analysis, single crystal X-ray diffraction. In vitro cytotoxicity assay was used to monitor the antiproliferative...

10.3390/molecules24244519 article EN cc-by Molecules 2019-12-10

An innovative and eco-friendly method has been developed for synthesizing 6-arylated or 6-alkylated 1,2,4-triazine-3,5(2 H ,4 )-diones, utilizing a photoinduced cross-dehydrogenative coupling reaction with hydrazines.

10.1039/d3cc05937e article EN Chemical Communications 2024-01-01

A middle cranial fossa is a well-recognized location for an intracranial arachnoid cyst in children. Giant cysts (GMFACs) can compress brain tissue, leading to rupture and potentially developing subdural hygroma or hematoma. With recent advancements neuroendoscopic technology, treatments have increasingly been used cysts. However, the risk of effusion hematoma higher postoperatively, treatment remains inconclusive. This study aimed explore safety efficacy this technology by evaluating...

10.3389/fped.2025.1518422 article EN cc-by Frontiers in Pediatrics 2025-02-20

Ships and offshore equipment operating in marine environments often face issues such as seawater corrosion biofouling, leading to significant economic losses. To address the problems of ships equipment, heavy-duty anticorrosive coatings are widely used for protection due their long-term effectiveness, cost-efficiency, excellent applicability. In this study, silane coupling agent (KH-560) was employed modify sodium silicate, modified silicate then incorporated a reinforcing phase into...

10.3390/coatings15040428 article EN Coatings 2025-04-04

In this study, the experimental design of response surface methodology was used to explore interaction between spraying parameters obtain an optimized process reduce porosity coating, and prepare excellent chromium oxide coating. The order single parameter affecting is as follows: power &gt; main gas distance carrier flow. This study found that with lowest coating 625 W, stand-off 105 mm, primary 42.5 lpm, flow 5 feed powder delivery rate 35 g/min. EDS results show Cr O elements in are...

10.3390/cryst15040377 article EN cc-by Crystals 2025-04-19

An unprecedented two-dimensional water−chloride anionic {[(H2O)20(Cl)4]4–}n network has been structurally identified in a hydrophobic matrix of the iron(II) compound [FeL2]Cl2·10H2O (L = 4′-phenyl-2,2′:6′,2″-terpyridine). Its intricate relief geometry described as set 10 nonequivalent alternating cycles different sizes ranging from tetra- to octanuclear {[(H2O)x(Cl)y]y–}z (x 2–6, y 0–2, z 4–6, 8) fragments.

10.1021/cg7010315 article EN Crystal Growth & Design 2008-02-08

Biodiesel from supercritical methanol reaction is a high-efficiency method of noncatalysis. Due to high temperature and pressure, this technology has been limited practical applications. To improve the operation conditions, developing mild become new trend for biodiesel production. In paper, transesterification soybean oil in subcritical was studied with small amount catalyst sodium silicate (Na2SiO3) obtain biodiesel. Na2SiO3 as can methanol. The variables affecting fatty acid methyl ester...

10.1021/ef100101m article EN Energy & Fuels 2010-04-23

Eleven copper chloride complexes with substituted 4′-phenyl-terpyridine ligands: high antiproliferative activities against five human carcinoma cell lines, strong affinity for binding DNA as intercalators and multiple molecular docking results.

10.1039/d0dt03989f article EN Dalton Transactions 2021-01-01

ArsR (or ArsR/SmtB) family metalloregulatory homodimeric repressors collectively respond to a wide range of metal ion inducers in regulating homeostasis and resistance essential nonessential ions bacteria. BxmR from the cyanobacterium Osciliatoria brevis is first characterized protein that senses both CuI/AgI divalent metals ZnII/CdII cells by expression P-type ATPase efflux pump (Bxa1) an intracellular metallothionein (BmtA). We show here pairs predicted α3N α5 sites bind ions, but with...

10.1021/bi801313y article EN Biochemistry 2008-09-17
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