31 Result(s)
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Article
Spatiotemporal and global profiling of DNA–protein interactions enables discovery of low-affinity transcription factors
Precise dissection of DNA–protein interactions is essential for elucidating the recognition basis, dynamics and gene regulation mechanism. However, global profiling of weak and dynamic DNA–protein interactions...
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Article
A cleaner and sustainable preparation of green flame retardant and antibacterial lyocell fabric
Biomass materials have become a research hotspot in flame retardant fields due to the non-toxic and eco-friendly features. Lyocell fiber has excellent properties, but the flammability limits its wider applicat...
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Article
Mechanism-based ligand design for copper-catalysed enantioconvergent C(sp3)–C(sp) cross-coupling of tertiary electrophiles with alkynes
In contrast with the well-established enantioconvergent radical C(sp3)–C cross-coupling of racemic secondary alkyl electrophiles, the corresponding coupling of tertiary electrophiles to forge all-carbon quaternar...
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Article
Rationalizing the catalytic performance of Cr(III) complexes stabilized with alkylphosphanyl PNP ligands for selective ethylene tri-/tetramerization: a DFT study
The effect of alkylphosphanyl substitutions on the PNP scaffold toward ethylene tri-/tetramerization has been explained using density functional theory (DFT). Our calculations show that different alkylphosphan...
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Article
A directive Ni catalyst overrides conventional site selectivity in pyridine C–H alkenylation
Achieving the transition metal-catalysed pyridine C3−H alkenylation, with pyridine as the limiting reagent, has remained a long-standing challenge. Previously, we disclosed that the use of strong coordinating ...
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Article
Horizontally growth of WS2/WO3 heterostructures on crystalline g-C3N4 nanosheets towards enhanced photo/electrochemical performance
Two-dimensional carbon-based material is attracting considerable attention in exploiting photocatalyst under visible light for photocatalytic energy conversion and storage field, e.g., photocatalytic H2 productio...
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Article
Fully bio-based fire-safety viscose/alginate blended nonwoven fabrics: thermal degradation behavior, flammability, and smoke suppression
Ecofriendly bio-based alginate fibres are one of the inherently flame-retardant fibres. Can the incorporation of alginate fibres to viscose fibres enhance the flame retardancy and decrease the smoke release of...
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Article
A general asymmetric copper-catalysed Sonogashira C(sp3)–C(sp) coupling
Continued development of the Sonogashira coupling has made it a well established and versatile reaction for the straightforward formation of C–C bonds, forging the carbon skeletons of broadly useful functional...
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Article
Synthesis, crystal structure, redox property, and cytotoxic activity of a dinuclear cobalt(II) complex bearing a tetradentate benzimidazole ligand
A tetradentate benzimidazole ligand cis,cis,cis,cis-2,2′,2″,2‴-(cyclopentane-1,2,3,4-tetrayl)tetrakis(1H-benzo[d]imidazole) (cttb) and its dinuclear cobalt(II) complex [Co2(cttb)Cl4]·2DMF·H2O have been synthesize...
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Article
Nanocomposite of polyrotaxane derivative and graphene with increased dielectric constant
Polyrotaxane, owing to the special topological interlocked structure, has attracted more and more attention from researchers. In this paper, a new polyrotaxane derivative has been synthesized based on the poly...
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Article
Synthesis and Z-scan measurements of third-order optical nonlinearity of azothiazole- and azobenzothiazole-containing side-chain polymers
A series of aromatic azothiazole and azobenzothiazole compounds containing vinyl have been designed as monomers. The polymers containing azothiazole and azobenzothiazole NLO chromophore in each side chain have...
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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
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
Rapid evaluation of the interaction energies for O–H···O hydrogen-bonded complexes
Rapid and accurate evaluation of the O–H···O interaction energies is important because the O–H···O hydrogen bonds are ubiquitous in biosystems. In this paper, the polarizable dipole–dipole interaction model is...
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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
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(...
