1. Smoking attitudes between smokers and non-smoker secondary school students in three geographic areas of China: a cross-sectional survey based on social cognitive theory

    The Lancet 386:S78 (2015)

    Background According to a 2014 China youth tobacco report, nearly 7% of junior secondary school students are using tobacco products and 30% of junior secondary school boys have tried tobacco products. The attitudes of secondary school students to smoking give insight into the...
  2. Improved noncovalent functionaliztion and aqueous dispersibility of graphene via removing carbonaceous adsorbates

    Materials Letters 100:207 (2013)

    Colloidal suspension of graphene with improved concentration was prepared via efficient noncovalent functionalization with a large aromatic stabilizer (sodium perylenetetracarboxylate). A mechanism is proposed that preliminary base wash of graphene oxide for removing carbonaceous adsor...
  3. Fabrication and characterization of zirconium hydroxide-carboxymethyl cellulose sodium/plasticized Trichosanthes Kirilowii starch nanocomposites

    Carbohydrate Polymers 86(4):1699 (2011)

    Highlights ► Zirconium hydroxide nanoparticles were firstly prepared with CMC as the template. ► Zirconium hydroxide-CMC was characterized. ► TK starch was firstly plasticized to prepare GPS matrix. ► The properties of Zr-CMC/GPS composites were studied.
  4. Microbial transformation of deoxyandrographolide by Alternaria alternata AS 3.4578.

    Natural product communications 6(6):781 (2011) PMID 21815410

    Biotransformation of deoxyandrographolide (1) by Alternaria alternata AS 3.4578 gave five derivatives identified by spectral methods including 2D NMR as the known dehydroandrographolide (2) and 9beta-hydroxy-dehydroandrographolide (3) and the new compounds 9beta-hydroxy-deoxyandrographolide (4),...
  5. Microbial transformation of deoxyandrographolide by Fusarium graminearum AS 3.4598.

    Journal of Asian Natural Products Research 13(4):350 (2011) PMID 21462039

    Biotransformation of deoxyandrographolide (1) by Fusarium graminearum AS 3.4598 was investigated in this paper. And five transformed products of 1 by F. graminearum AS 3.4598 were obtained. Their chemical structures were characterized as 3-oxo-8α,17β-epoxy-14-deoxyandrographolide (2), 3-oxo-14-d...
  6. Microbial transformation of deoxyandrographolide byCunninghamella echinulata

    Journal of Molecular Catalysis B: Enzymatic 68(2):187 (2011)

    Graphical abstract
  7. [Protective effect of valsartan or/and ligustrazine on hippocampal neuronal loss in rats with vascular dementia].

    Sichuan da xue xue bao. Yi xue ban = Journal of... 42(1):56 (2011) PMID 21355302

    To investigate the effect of Valsartan and Ligustrazine on hippocampal neuronal loss and the ability of learning and memory of rats with vascular dementia. Vascular dementia was induced in rats by blocking bilateral carotid artery repeatedly and intraperitoneal injection of sodium nitroprusside....
  8. Efficient isolation and purification of five products from microbial biotransformation of cinobufagin by high-speed counter-current chromatography.

    Journal of Separation Science 33(15):2272 (2010) PMID 20574960

    An efficient separation method of using high-speed counter-current chromatography was successfully established to directly purify cytotoxic transformed products of cinobufagin by Cordyceps militaris. The two-phase solvent system composed of n-hexane-ethyl acetate-methanol-water (4:6:3:4, v/v) wa...
  9. Preparative isolation and purification of four prenylflavanones from microbial biotransformation of kurarinone by high-speed counter-current chromatography

    Separation and Purification Technology 76(2):140 (2010)

    Research highlights ▶ A rapid high-speed counter-current chromatography (HSCCC) method was developed successfully for isolation four transformed products in one-step. ▶ The novel chemical structures were identified as 4a, 5a-dihydroxy norkurarinone, 7-methoxyl-4a, 5a-dihydroxy norkurar...
  10. Simultaneous quantification of seven major bufadienolides in three traditional Chinese medicinal preparations of chansu by HPLC-DAD.

    Natural product communications 4(2):179 (2009) PMID 19370919

    A high-performance liquid chromatographic method was applied to the determination of gamabufotalin, telocinobufagin, bufotalin, cinobufotalin, bufalin, cinobufagin and resibufogenin in three traditional Chinese medicinal preparations containing ChanSu. The compounds were separated on a YMC-C18 c...
  11. A new ent-labdane eiterpenoid lactone fromAndrographis paniculata

    Chinese Chemical Letters 20(3):317 (2009)

    A new ent-labdane diterpenoid lactone with a new natural product was isolated from Andrographis paniculata. Their structures were elucidated on the basis of spectral evidences including 2D NMR.
  12. NOxstorage-reduction over combined catalyst Mn/Ba/Al2O3–Pt/Ba/Al2O3

    Catalysis Communications 9(5):563 (2008)

    Mn/Ba/Al 2O 3, Pt/Ba/Al 2O 3 and their combined catalyst for NO x storage-reduction by propylene were investigated. The results showed that Mn/Ba/Al 2O 3 exhibited good catalytic activity for NO oxidation-storage under lean burn condi...
  13. Storage-Reduction of NOxover Combined Catalysts of Pt/Ba/Al2O3-Mn/Ba/Al2O3: Carbon Monoxide as Reductant

    Journal of Natural Gas Chemistry 16(2):213 (2007)

    Abstract Storage-reduction of NOX by carbon monoxide was investigated over combined catalysts of Mn/Ba/Al 2O 3-Pt/Ba/Al 2O 3. Combination of Mn/Ba/Al 2O 3 and Pt/Ba/Al 2O 3 catalysts in different ways showed excellent NOX storage-reductio...