2.Effects of different K fertilizer and water level on growth and physiological characteristics of Isatis indigotica.
Juan-Juan YANG ; Qiao-Sheng GUO ; Su-Dan CHEN ; Qiao-Hua DENG
China Journal of Chinese Materia Medica 2014;39(10):1772-1776
The experiment included three potassium levels (K0 0 g x kg(-1), K1 0.33 g x kg(-1), K2 0.67 g x kg(-1)) and two water gradients (well watered and drought stress), then measured growth indicators, SOD, POD, CAT activities and concents of osmotic regulation substances. To explore the effects of K fertilizer and water on growth and physiological characteristics of Isatis indigotica, providing reference for improving drought resistance of I. indigotica. The result showed drought stress inhibited the growth and decreased the biomass of I. indigotica but K fertilizer can alleviate the drought stress. Compared with K0 treatment, K1, K2 treatment increased the biomass of overground part of by 89. 13% ,60. 87% under drought stress. The corresponding increase in soluble sugar content was 16.67%, 5.00%, and in proline content was 42.41%, 65.62%, respectively. SOD,POD and CAT activities was significantly improved in K1, K2 treatment in comparison with K0 treatment under drought stress, but soluble protein content significantly reduced. The conclusion is that appropriate amount of K fertilizer can increase the activities of antioxidase and the content of osmoregulation substance under drought stress, and improve drought resistance of I. indigotica.
Fertilizers
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analysis
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Isatis
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chemistry
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enzymology
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growth & development
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metabolism
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Peroxidase
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metabolism
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Plant Proteins
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metabolism
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Potassium
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analysis
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metabolism
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Seedlings
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chemistry
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enzymology
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growth & development
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metabolism
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Superoxide Dismutase
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metabolism
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Water
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analysis
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metabolism
3.The Research on Expression and Purification of a Chimeric Anti-p185 Antibody
Jing-Juan QIAO ; Hai-Bo LIU ; Juan-Juan ZHU ; Lian-Sheng CHENG ; Jing LIU ;
China Biotechnology 2006;0(09):-
The Her-2 proto-oncogene encodes a 185kDa transmenbrane glycoprotein p185 which has intrinsic tyrosine kinase activity. It is overexpressed in several malignant human tumors like breast cancer. A chimeric antibody by assembling a single-chain Fv antibody and a human IgG1 Fc fragment was constructed. This chimeric antibody reacts with tumor surface antigen p185c-erbB-2 specifically. In order to put the antibody into clinical application, two steps purification method was used to attain the antibody’s purity more than 95%. Both the lyophilized pharmaceutical formulations of the antibody were found. The formulations can keep the stability and activity of the antibody for at least one year. These results were the foundation of the chimeric antibody for cancer therapy.
4.Chemical Constituents in Groups of Effective Components Extracted fromXiaoxuming Decoction
Qiao ZHANG ; Juan SHEN ; Yiwu ZHAO ; Zhenzhong WANG ; Wei XIAO
World Science and Technology-Modernization of Traditional Chinese Medicine 2015;17(3):583-586
This article was aimed to study the chemical constituents in groups of effective components extracted from Xiaoxuming Decoction. Twelve compounds were isolated and purified by dynamic axial compression column chromatography. Their chemical structures were identified by spectral analysis. The results showed that twelve compounds were isolated and identified as octacosanoic acid(1), cetanol(2), oroxylin A(3), wogonin(4), baicalein(5), tetrandrine(6), fangchinoline(7), wogonoside(8), baicalin(9), paeoniflorin(10), amygdalin(11), manntol(12). It was concluded that all compounds were isolated from this compound prescription for the first time.
5.Subjective well-being simplify scale in college students:development, reliability and validity
Shijun GU ; Xianghua ZHU ; Xiumei XUE ; Guangli LIANG ; Juan QIAO
Chinese Journal of Behavioral Medicine and Brain Science 2013;22(8):761-763
Objective To develop subjective well-being simplify scale (SWBSS),and examine its reliability and validity.Methods A self-report SWBSS containing 13 items was developed on college student and research literature.2374 college students completed SWBSS,Index of Well-Being(IWB),World Health of Organization Quality of Life Brief Scale (WHOQOL-BREF),Beck Depression Rating Scale (BDI) and Self-rating Anxiety Scale(SAS).Results ①Exploratory factor analysis results showed that SWBSS had 1 factor,and accounted for 41.768% of variance.②Confirmatory factor analysis results indicated that x2/df =2.208,RMR =0.016,RMSEA =0.032 ; GFI =0.986,AGFI =0.974,NFI =0.978,RFI =0.966,IFI =0.988,TLI =0.981,CFI =0.988 ; PGFI =0.552,PNFI =0.639,PCFI =0.646 ; construct reliability =0.901.③The Cronbach'α coefficient,split-half reliability,stability coefficient of SWBSS was 0.876,0.817 and 0.740 (P < 0.01).The SWBSS scores was significantly correlated with the scores of IWB,WHOQOL-BREF,BDI and SAS (r =0.706 ~ 0.892,r =-0.650 ~-0.580,P<0.01).Conclusion The stability,internal consistency,and validity of the SWBSS are good and meet with psychometric standard.
6.The relationship between TNF-αγ, IFN-γ and intestinal mucosal permeability in DSS-induced colitis and its effect by balsalazide
Xiaochang LIU ; Qiao MEI ; Jianming XU ; Juan JIN
Chinese Journal of Microbiology and Immunology 2009;29(5):395-399
Objective To investigate the relationship between TNF-α, IFN-γand intestinal muco-sal permeability in a mouse colitis model and its inhibiting effect by balsalazide. Methods Forty-five C57BL/6J mice were divided randomly into five groups. Normal group was only fed with distilled water, DSS group and balsalazide groups at doses of 42, 141,423 mg/kg were both fed with 5% DSS. Balsalazide was given by intragastric administration. At the end of the experiment, colon tissue was collected for assessment of histological index(HI) and the MPO activity. Small intestinal mucosa was collected for assessment of the content of TNF-α and IFN-γ,transmission electron microscope(TEM), and detection of permeability by Ev-arts blue method. Results Compared with normal group, DSS group mice all manifested severe weight loss associated with hematocbezia and diarrhea, HI score, and the colon MPO activity and the content of TNF-α and IFN-γ were increased significantly. Intestinal mucosa showed a thinning of microvillous carpet, with de-curtated and broaden junctional complex and enlarged intercollutar space under TEM observations. The amount of Evans blue permeated into intestinal wall was obvious. Compared with DSS group, the HI score, the MPO activity and the content of TNF-α and IFN-γ were decreased by balsalazide. The amount of Evans blue permeated into intestinal wall was less. Ileal microvillous carpet was ameliorated dose dependently by balsalazide. Conclusion In DSS-induced colitis model, the change of the content of the TNF-α and IFN-γ, was accordance with the increase of intestinal mucosal permeability while balsalazide can significantly amelio-rate intestinal mucosal permeability by its anti-colitis effect.