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1Characterizing the optimal operation of photocatalytic degradation of BDE-209 by nano-sized TiO_2显示文摘Brominated flame retardants have been widely used in industry.There is a rapid growing public concern for their availabilities in the environment.Advanced oxidation process(AOP) is a promising and efficient technology which may be used to remove emerging chemicals such as brominated flame retardants.This study aims at investigating optimal operational conditions for the removal of BDE-209 using nano-scaled titanium(IV) oxide.The residual PBDE congeners after photocatalytical degradation of BDE-209 by TiO 2 were analysed by gas chromatography-mass spectrometry(GC-MS).It was found that the degradability of BDE-209 by TiO 2 was attributed to its photocatalytic activity but not the small size of the particles.The half-life of removing BDE-209 by TiO 2 was 3.05 days under visible light.Tetra-and penta-BDEs were the major degraded products of BDE-209.Optimum conditions for photocatalytical degradation of BDE-209 was found to be at pH 12(93% ± 1%),5,10,20 mg/L(93.0% ± 1.70%,91.6% ± 3.21%,91.9% ± 0.952%,respectively),respectively of humic acid and in the form of anatase/rutile TiO 2(82% ± 3%).Hence,the efficiency of removing BDE-209 can be maximized while being cost effective at the said operating conditions.Ka Lai Chow Yu Bon Man Jin Shu Zheng Yan Liang Nora Fung Yee Tam Ming Hung Wong 2012Journal of Environmental Sciences2012,24,9:8
2Profiles and removal efficiency of polycyclic aromatic hydrocarbons by two different types of sewage treatment plants in Hong Kong显示文摘Sewage discharge could be a major source of polycyclic aromatic hydrocarbons(PAHs) in the coastal waters. Stonecutters Island and Shatin Sewage Treatment Works(SCISTW and STSTW)in Hong Kong, adopted chemically enhanced primary treatment and biological treatment,respectively. This study aimed at(1) determining the removal efficiencies of PAHs,(2) comparing the capabilities in removing PAHs, and(3) characterizing the profile of each individual PAHs, in the two sewage treatment plants(STPs). Quantification of 16 PAHs was conducted by a Gas Chromatography. The concentrations of total PAHs decreased gradually along the treatment processes(from 301 ± 255 and 307 ± 217 ng/L to 14.9 ± 12.1 and 63.3 ± 54.1 ng/L in STSTW and SCISTW, respectively). It was noted that STSTW was more capable in removing total PAHs than SCISTW with average total removal efficiency 94.4% ± 4.12% vs. 79.2% ± 7.48%(p < 0.05). The removal of PAHs was probably due to sorption in particular matter, confirmed by the higher distribution coefficient of individual and total PAHs in solid samples(dewatered sludge contained92.5% and 74.7% of total PAHs in SCISTW and STSTW, respectively) than liquid samples(final effluent-total contained 7.53% and 25.3% of total PAHs in STSTW and SCISTW, respectively).Despite the impressive capability of STSTW and SCISTW in removing PAHs, there was still a considerable amount of total PAHs(1.85 and 39.3 kg/year, respectively for the two STPs) being discharged into Hong Kong coastal waters, which would be an environmental concern.Yu Bon Man Ka Lai Chow Zhang Cheng Wing Yin Mo Yung Hau Chan James Chung Wah Lam Frankie Tat Kwong Lau Wing Cheong Fung Ming Hung Wong 2017Journal of Environmental Sciences2017,29,3:5
3Effect of biologically active fraction of Nardostachys jatamansi on cerulein-induced acute pancreatitis显示文摘AIM:To determine if the fraction of Nardostachys jatamansi(NJ) has the potential to ameliorate the severity of acute pancreatitis(AP).METHODS:Mice were administered the biologically active fraction of NJ,i.e.,the 4th fraction(NJ4),intraperitoneally,and then injected with the stable cholecystokinin analogue cerulein hourly for 6 h.Six hours after the last cerulein injection,the pancreas,lung,and blood were harvested for morphological examination,measurement of cytokine expression,and examination of neutrophil infiltration.RESULTS:NJ4 administration attenuated the severity of AP and lung injury associated with AP.It also reduced cytokine production and neutrophil infiltration and resulted in the in vivo up-regulation of heme oxygenase-1(HO-1).Furthermore,NJ4 and its biologically active fraction,NJ4-2 inhibited the cerulein-induced death of acinar cells by inducing HO-1 in isolated pancreatic acinar cells.CONCLUSION:These results suggest that NJ4 may be a candidate fraction offering protection in AP and NJ4 might ameliorate the severity of pancreatitis by inducing HO-1 expression.Gi-Sang Bae Min-Sun Kim Kyoung-Chel Park Bon Soon Koo Il-Joo Jo Sun Bok Choi Dong-Sung Lee Youn-Chul Kim Tae-Hyeon Kim Sang-Wan Seo Yong Kook Shin Ho-Joon Song Sung-Joo Park 2012World Journal of Gastroenterology2012,18,25:4
4Endoscopic shielding technique, a new method in therapeutic endoscopy显示文摘Prevention of late complications after large endoscopic resection is inefficient with current methods.Endoscopic shielding,as a simple and safe technique,has been proposed to improve the incidence of these events.Different methods,sheets or hydrogels,have showed proven efficacy in the prevention of late bleeding and perforation,as well as the improvement of tissue repair,in experimental models and in clinical practice.Ignacio Bon Ramon Bartolí Vicente Lorenzo-Zúniga 2017World Journal of Gastroenterology2017,23,21:2
5Predictive Factors For Ipsilateral or Contralateral Central Lymph Node Metastasis in Unilateral Papillary Thyroid Carcinoma显示文摘Bon Seok Koo Eun Chang Choi Yeo-Hoon Yoon Dong-Hyun Kim Eung-Hyub Kim Young Chang Lim 2009Annals of Surgery2009,,5:2
6Effects of Hybrid Voltages on Oxide Formation on 6061 Al-alloys During Plasma Electrolytic Oxidation显示文摘Plasma electrolytic oxidation(PEO)is carried out on 6061 Al-alloys in a weak alkaline electrolyte containing NaOH,Na2SiO3 and NaCl.Centered on the correlation of composition and structure,analyses by means of X-ray diffration(XRD),scanning electron microscope(SEM)and energy dispersive spectrometry(EDS)are conducted on the specimens,which have been PEO-treated under hybrid voltages of different direct current(DC)values(140-280 V)with constant alternate current(AC)amplitude(200 V).Attention is paid to the composition,properties and growth mechanism of oxide layers formed with hybrid voltages.Moreover,the main effects of DC value are discussed.Ceramic layers with a double-layer structure which combines hard outer and soft inner layers are found to be consist ofα-Al2O3,γ-Al2O3 and mullite.With the DC values increasing,the growth of the ceramic layers tends to have increasingly obvious three-stage feature.Kai Wang Bon Heun Koo Chan Gyu Lee Young Joo Kim Sunghun Lee Eungsun Byon 2009Chinese Journal of Aeronautics2009,22,5:2
7Radical scavenging capacities of saba-narezushi , Japanese fermented chub mackerel, and its lactic acid bacteria显示文摘Tomomi Kanno Takashi Kuda Choa An Hajime Takahashi Bon Kimura 2012LWT - Food Science and Technology2012,,1:2
8Health risk assessment of abandoned agricultural soils based on heavy metal contents in Hong Kong, the world’s most populated city显示文摘Yu Bon Man Xiao Lin Sun Yin Ge Zhao Brenda Natalia Lopez Shan Shan Chung Sheng Chun Wu Kwai Chung Cheung Ming H Wong 2010Environment International2010,,6:2
9Pokeweed antiviral protein inactivates pokeweed ribosomes implications for the antiviral mechanism显示文摘BONNESS M S READY M P IRVIN J D 1994Plant J1994,5,2:1
10Lysine requirement of growing male Peking ducks显示文摘Timmler R Bons A Jeroch H 2002British Poultry Sci2002,43,:1
11The alpha6beta4 integrin can regulate ErbB-3 expression: implications for alpha6beta4 signaling and function 显示文摘Folgiero V Bachelder RE Bon G 2007Cancer Res2007,67,4:1
12Motor, emotional, and cognitive empathy in children and adolescents with autism spectrum disorder and conduct disorder显示文摘Bons D vanden Brock E Scheepers F 2013J Abnorm Child Psychol2013,41,3:1
13Crotoxin, a phospholipase A2 neurotoxin from the South American rattlesnake Crotalus durissus terrificus : purification of several isoforms and comparison of their molecular structure and of their biological activi- ties显示文摘Faure G Bon C 1988Biochemistry1988,27,2:1
14Links between innate and adaptive immunity via type I interferon 显示文摘Le Bon A Tough DF 2002Curr Opin Immunol2002,14,4:1
15Efects of photoperiadan d feeding level on adipose tissue and muscle lipoprotein lipaseacfivity and mRNA level in dry non-pregnant sheep显示文摘Faulconier Y Bon M Bocquier F et a l 2001British Journal of Nutrition2001,85,3:1
16Expression and effects of the juvenile hormone esterase in a baeulovirus veetor显示文摘Hammock B D Bonning B C Possee R D 1990Nature1990,344,:1
17Prevalenceand genetic diversity of Aichi virus strains in stool samplesfrom community and hospitalized patients显示文摘AMBERT-BALAY K LORROT M BON F 2008J Clin Micro-biol2008,46,4:1
18On the classification and nomenclature of baculoviruses: a proposal for revision 显示文摘Jehle J A Blissard G Bonning B 2006Archives of Virology2006,151,7:1
19Mn-doped ZnO nanorod gas sensor for oxygen detection显示文摘Faheem Ahmed Nishat Arshi M.S. Anwar Rehan Danish Bon Heun Koo 2013Current Applied Physics2013,,:1
20Molecular epide- miology of caliciviruses detected in sporadic and outbreak eases of gas- troenteritis in France from December 1998 to February 2004 显示文摘BON F AMBERT-BALAY K GIRAUDON H 2005J Clin Microbiol2005,43,9:1
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