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| 1 | 外源水杨酸对盐胁迫下非洲菊抗氧化酶活性和生理特性的影响(英文)显示文摘以非洲菊(Gerbera jamesonii L.)品种Amaretto'为试材,研究外源水杨酸(SA)对缓解非洲菊生殖生长期因盐胁迫引起的过氧化伤害作用.在开花前分别用0、0.5和1.0mmol L-1SA对非洲菊植株进行预处理,3d后用100mmol L-1NaCl灌溉,持续2周;对照植株未经NaCl和SA处理.结果表明:盐胁迫处理后,叶片的超氧化物歧化酶(SOD)和过氧化物酶(POD)活性增加,丙二醛(MDA)含量、电解质外渗率和脯氨酸含量提高;外源SA预处理显著降低了盐胁迫植株叶片的MDA含量和电解质外渗率;在外源0.5mmol L-1SA预处理后,植株SOD和POD活性分别是对照的1.4倍和2.4倍;SA预处理后与植株耐盐性相关的生理生化指标呈显著相关,以0.5mmol L-1SA处理增强植株盐胁迫耐性的效果更好.说明外源SA处理能够诱导盐胁迫下非洲菊植株的抗氧化反应,水杨酸将是一种提高园艺作物耐盐性的有效物质. | Ganege Don Kapila Kumara 夏宜平 朱祝军 B. M. Vindhya S. Basnayak Chalinda K.Beneragama | 2010 | 浙江大学学报(农业与生命科学版)2010，36，6： | 6 |
| 2 | Characterization of free carbon in the as-thermolyzed Si-B-C-N ceramic from a polyorganoborosilazane precursor显示文摘Polyorganoborosilazane((B[C_(2)H_(4)-Si(CH_(3))NH]_(3))n)was synthesized via monomer route from a single-source precursor and thermolyzed at 1300℃in argon atmosphere.The as-thermolyzed Si-B-C-N ceramic was characterized using X-ray diffraction(XRD)and Raman spectroscopy.The crystallization behavior of silicon carbide in the as-thermolyzed amorphous Si-B-C-N matrix was understood by XRD studies,and the crystallite size calculated using Scherrer equation was found to increase from 2 nm to 8 nm with increase in dwelling time.Concomitantly,Raman spectroscopy was used to characterize the free carbon present in the as-thermolyzed ceramic.The peak positions,intensities and full width at half maximum(FWHM)of D and G bands in the Raman spectra were used to study and understand the structural disorder of the free carbon.The G peak shift towards 1600 cm-1 indicated the decrease in cluster size of the free carbon.The cluster diameter of the free carbon calculated using TK(Tuinstra and Koenl)equation was found to decrease from 6.2 nm to 5.4 nm with increase in dwelling time,indicating increase in structural disorder. | Adhimoolam Bakthavachalam KOUSAALYA Ravi KUMARa Shanmugam PACKIRISAMY | 2013 | Journal of Advanced Ceramics2013，2，4： | 5 |
| 3 | Plasma chitinase 3-like 1 is persistently elevated during first month after minimally invasive colorectal cancer resection显示文摘AIM: To assess blood chitinase 3-like 1(CHi3L1) levels for 2 mo after minimally invasive colorectal resection(MICR) for colorectal cancer(CRC). METHODS: CRC patients in an Institutional Review Board approved data/plasma bank who underwent elective MICR for whom preoperative(PreO p), early postoperative(PostO p), and 1 or more late PostO p samples [postoperative day(POD) 7-27] available were included. Plasma CHi3L1 levels(ng/m L) were determined in duplicate by enzyme linked immunosorbent assay. RESULTS: PreOp and PostOp plasma sample were available for 80 MICR cancer patients for the study. The median PreOp CHi3L1 level was 56.8 CI: 41.9-78.6 ng/mL(n = 80). Significantly elevated(P < 0.001) median plasma levels(ng/mL) over PreOp levels were detected on POD1(667.7 CI: 495.7, 771.7; n = 79), POD 3(132.6 CI: 95.5, 173.7; n = 76), POD7-13(96.4 CI: 67.7, 136.9; n = 62), POD14-20(101.4 CI: 80.7, 287.4; n = 22), and POD 21-27(98.1 CI: 66.8, 137.4; n = 20, P = 0.001). No significant difference in plasma levels were noted on POD27-41. CONCLUSION: Plasma CHi3L1 levels were significantly elevated for one month after MICR. Persistently elevated plasma CHi3L1 may support the growth of residual tumor and metastasis. | HMC Shantha Kumara David Gaita Hiromichi Miyagaki Xiaohong Yan Sonali AC Hearth Linda Njoh Vesna Cekic Richard L Whelan | 2016 | World Journal of Gastrointestinal Oncology2016，8，8： | 4 |
| 4 | Plasma MMP-2 and MMP-7 levels are elevated first month after surgery and may promote growth of residual metastases显示文摘BACKGROUND MMP-2 also known as gelatinase A and MMP-7(matrilysin)are members of the zinc-dependent family of MMPs(Matrix metalloproteinase).MMP-2 and MMP-7 are remodeling enzymes that digest extracellular matrix;MMP-2 is extensively expressed during development and is upregulated at sites of tissue damage,inflammation,and in stromal cells of metastatic tumors.MMP-7 is expressed in the epithelial cells and in a variety of cancers including colon tumors.Plasma MMP-2 and MMP-7 levels were assessed before and after minimally invasive colorectal resection for cancer pathology.AIM To determine plasma MMP-2 and MMP-7 levels before and after minimally invasive colorectal resection for cancer pathology.METHODS Patients enrolled in a plasma bank for whom plasma was available were eligible.Plasma obtained from preoperative(Preop)and postoperative blood samples was used.Only colorectal cancer(CRC)patients who underwent elective minimally invasive cancer resection with preop,post-operative day(POD)1,3 and at least 1 late postop sample(POD 7-34)were included.Late samples were bundled into 7 d blocks(POD 7-13,14-20,etc.)and treated as single time points.Plasma MMP-2 and MMP-7 levels were determined via enzyme-linked immunosorbent assay in duplicate.RESULTS Total 88 minimally invasive CRC resection CRC patients were studied(right colectomy,37%;sigmoid,24%;and LAR/AR 18%).Cancer stages were:1,31%;2,30%;3,34%;and 4,5%.Mean Preop MMP-2 plasma level(ng/mL)was 179.3±40.9(n=88).Elevated mean levels were noted on POD1(214.3±51.2,n=87,P<0.001),POD3(258.0±63.9,n=80,P<0.001),POD7-13(229.9±62.3,n=65,P<0.001),POD 14-20(234.9±47.5,n=25,P<0.001),POD 21-27(237.0±63.5,n=17,P<0.001,)and POD 28-34(255.4±59.7,n=15,P<0.001).Mean Preop MMP-7 level was 3.9±1.9(n=88).No significant differences were noted on POD 1 or 3,however,significantly elevated levels were noted on POD 7-13(5.7±2.5,n=65,P<0.001),POD 14-20(5.9±2.5,n=25,P<0.001),POD 21-27(6.1±3.6,n=17,P=0.002)and on POD 28-34(6.8±3.3,n=15 P<0.001,)vs preop levels.CONCLUSION MMP-2 levels are elevated for 5 wk and MMP-7 levels elevated for weeks 2-6.The etiology of these changes in unclear,trauma and wound healing likely play a role.These changes may promote residual tumor growth and metastasis. | HMC Shantha Kumara Hiromichi Miyagaki Sajith A Herath Erica Pettke Xiaohong Yan Vesna Cekic Richard L Whelan | 2021 | World Journal of Gastrointestinal Oncology2021，13，8： | 3 |
| 5 | Acetylcholinesterase based biosensor for monitoring of Malathion and Acephate in food samples: A voltammetric study显示文摘 | P. Raghu T. Madhusudana Reddy K. Reddaiah B.E. Kumara Swamy M. Sreedhar | 2013 | Food Chemistry2013，，： | 2 |
| 6 | A comparative illustration of AI plmming-based Web services composition 显示文摘 | OH S C LEE D W KUMARA S R T | 2006 | ACM SlGecom Exchanges2006，5，5： | 1 |
| 7 | Ethyl Silicate Binders for High Performance Coatings 显示文摘 | Geeta Parashar Deepak Srivastava Pramod Kumara | 2001 | Progress in Organic Coatings2001，，42： | 1 |
| 8 | Near linear time algorithmto detect community structures in large-scale networks 显示文摘 | Raghavan U N Albert R Kumara S | 2007 | PhysicalReview E2007，76，03： | 1 |
| 9 | Fractal Estimation of Flank Wear in Turning显示文摘 | BUKKAPATNAM S T S KUMARA S R T LAKHTAKIA A | 2000 | ASME J Dyn Syst Meas Cont2000，122，： | 1 |
| 10 | Near linear time al- gorithm to detect community structures in large-scale networks 显示文摘 | RAGHAVAN U N ALBERT R KUMARA S | 2007 | Physical Review E2007，76，03： | 1 |
| 11 | A Comparative Illustration of AI Planning-based Web Services Composition显示文摘 | Oh S C Lee D Kumara S | 2005 | ACM SIGecom Exchanges2005，5，5： | 1 |
| 12 | Near Linear Time Algorithm to Detect Community Structures in Largescale Networks显示文摘 | Raghavan U N Albert R Kumara S | 2007 | Physical Review E2007，76，3： | 1 |
| 13 | hnmu- nostimulatory principles from Chlorella pyrenoidosa-Part 1: Isolation and biological assessment in vitro显示文摘 | Kraloveea J A Meteraa K L Kumara J R | 2007 | Phytomedieine2007，14，1： | 1 |
| 14 | Near linear time algorithm to de- tect community structures in large-scale networks 显示文摘 | Aghavan U N Albert R Kumara S | 2007 | Physical Re- view E2007，76，03： | 1 |
| 15 | WSPR: A Heuristic Algorithm for Web Service Composition显示文摘 | Oh S Lee D Kumara S | 2007 | Int''l Journal Web Services Research2007，4，1： | 1 |
| 16 | Identification of monitoring stations in water distribution system显示文摘 | Kansal M L Arora G | 1997 | Journal of Environmental Engineering1997，123，8： | 1 |
| 17 | Software development cost estinaation using wavelet neural networks显示文摘 | Kumara K V | 2008 | Journal of Systems and Software2008，81，11： | 1 |
| 18 | (2D)2 LDA: An efficient approach for face recognition 显示文摘 | Noushath S Hemantha Kumar G Shiva kumara P | 2006 | Pattern Recognition2006，39，7： | 1 |
| 19 | Intelligent computing methods for manufacturing systems显示文摘 | TETI R KUMARA S R T | 1997 | Annals of the CIRP1997，46，2： | 1 |
| 20 | 显示文摘 | Barnesa M C Kumara S Greena L | 2005 | Surface & Coatings Technology2005，190，： | 1 |
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