30 Result(s)
within
**ao-**a Jiang
Analytical Chemistry
Inorganic Chemistry
Physical Chemistry
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Article
Chlorofullerenes featuring triple sequentially fused pentagons
The triple sequentially fused pentagons (TSFP) motif is one of the basic subunits that could be used for constructing fullerenes, but it violates the isolated pentagon rule (IPR) and has not been found in carb...
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Article
Heat capacities and thermodynamic properties of MgBTC
A novel two-dimensional metal organic framework MgBTC [MgBTC(OCN)2·2H2O, where BTC = 1,3,5-benzenetricarboxylate] has been synthesized solvothermally and characterized by single crystal XRD, powder XRD, FT-IR spe...
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Article
Low-temperature heat capacities and thermodynamic properties of Mn3(HEDTA)2·10H2O
The low-temperature molar heat capacity of crystalline Mn3(HEDTA)2·10H2O was measured by temperature-modulated differential scanning calorimetry (TMDSC) for the first time. The thermodynamic parameters such as en...
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Article
Effects of combinatorial expression of selA, selB and selC genes on the efficiency of selenocysteine incorporation in Escherichia coli
In Escherichia coli, four gene products(selA, selB, selC and selD) and a selenocysteine(Sec) insertion sequence( SECIS) are required for the correct translation of UGA codons encoding Sec. Previous studies have s...
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Article
Determination of amino acids in Panax notoginseng by microwave hydrolysis and derivatization coupled with capillary zone electrophoresis detection
The microwave hydrolysis and derivatization coupled with capillary electrophoresis detection were developed for the separation and determination of the amino acids in Panax notoginseng. The experimental condition...
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Article
Xeno-oestrogens bisphenol a and diethylstilbestrol selectively activating androgen receptor mediated AREs-TATA reporter system
We cloned the three androgen response elements(AREs, including AREI, AREII, and AREIII) with a core transactivation TATA element of the prostate-specific antigen(PSA) promoter into pGL2 basic vector to create an ...
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Article
A QICAR model for metal ion toxicity established via PLS method
The partial least squares(PLS) method was employed to establish a quantitative ion characteristics-activity relationship(QICAR) model for metal ion toxicity(EC50 of 15 metal ions). The ion characteristics include...
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Article
Purification and characterization of a novel tetradecapeptide from ginseng polypeptides with enhancing memory activity for mice
Aiming at isolating and investigating the active ingredients of the aqueous extract from Panax ginseng which showed enhancing memory activity, the authors characterized one ingredient. To separate the oligosaccha...
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Article
Design, synthesis and antitumor activity of a novel series of PAC-1 analogues
A novel series of first procaspase activating compound(PAC-1) analogues was designed, synthesized and evaluated for antitumor activity towards two cell lines[human promyelocytic leukemia cell line(HL60) and hu...
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Article
Phytoestrogens inhibiting androgen receptor signal and prostate cancer cell proliferation
The androgen receptor(AR) signaling activated by dihydrotestosterone(DHT) plays critical roles in prostate cancer development and progression. Phytoestrogens, which are diphenolic compounds with estrogen and a...
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Article
Novel PLGA microspheres for sustained delivery of antisense oligonucleotide
Novel poly(lactide-co-glycolide acid)(PLGA) microspheres were developed for sustained delivery of antisense oligonucleotide(ASO). First, a new cationic agent, polyethylenimine(PEI) conjugated to linoleic acid(...
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Article
Synthesis and characterization of TS-1 with the aid of supercritical CO2
A new route to synthesize TS-1 has been developed using the supercritical carbon dioxide(SCCO2) as a crystallization-assistant agent. SCCO2 plays a dual role: as a reagent changing the alkalinity during the cryst...
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Article
Antitumor compound identification from Zanthoxylum bungeanum essential oil based on composition-activity relationship
The chemical composition of Zanthoxylum bungeanum(Z. bungeanum) essential oil(39 batches) was analyzed by gas chromatography-mass spectrometry(GC-MS) analysis(23 ingredients), and the antitumor activity against H...
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Article
Design, synthesis and antitumor activity in vitro of a series of 3-arylcoumarins
A new series of 7-substituted 3-arylcoumarins was designed, synthesized and evaluated as novel antitumor agents in vitro. It was found that several compounds of them exhibit activity in vitro against SK-HEP-1(hep...
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Article
A comprehensive analysis of the properties of light crude oil in oxidation experimental studies
The analysis of light crude oil for oxidation reaction experiments is a kind of important technological for evaluating an air injection project in a reservoir. In this study, the paper comprehensively analyzes...
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Article
Synthesis, crystal structure and thermochemical study on a novel ternary coordination compound [Bi(C7H5O3)3C12H8N2]
A new ternary bismuth complex [Bi(C7H5O3)3C12H8N2] (C7H6O3, o-hydroxybenzoic acid; C12H8N2, 1,10-phenanthroline monohydrate) and its crystal were prepared and characterized. The results showed that the crystal is...
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Article
Synthesis, characterization, and investigations of some luminescent and catalytic properties of coordination polymers assembled from 5-(Pyridin-3-yl)isophthalic acid
The reactions of a semirigid carboxylic ligand 5-(Pyridin-3-yl)isophthalic acid(H2pyip) with Mn(CH3COO)2/Zn(NO3)2/Pb(NO3)2 afforded three new complexes: [Mn(pyip)(H2O)2]n(1), [Zn(pyip)(H2O)2]n(2), and [Pb(pyip)]n
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Article
Pyrolysis mechanism of a β-O-4 type lignin dimer model compound
To help understand the pyrolysis mechanism of lignin, a non-phenolic lignin dimer model compound with β-O-4 linkage, namely 1-methoxy-2-(4-methoxyphenethoxy)benzene, was prepared. Its pyrolysis mechanism was inve...
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Article
Theoretical study about effects of H2O and Na+ on adsorption of CO2 on kaolinite surfaces
The density functional theory(DFT) was used to investigate the adsorptions of carbon dioxide(CO2) on kaolinite surfaces and the influences of Na+ and H2O on the adsorption. Both cluster and periodic models of kao...
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Article
Interaction characteristics and mechanism in the fast co-pyrolysis of cellulose and lignin model compounds
During biomass fast pyrolysis process, the interactions among biomass components will affect the pyrolytic products distribution. In this study, d-glucose and a β-O-4 type lignin model dimer (LMD, 1-(4-hydroxy-3-...
