检索结果-南通市图书馆

Nephroprotective activity of Solanum xanthocarpum fruit extract against gentamicin-induced nephrotoxicity and renal dysfunction in experimental rodents

引用

Asian Pacific Journal of Tropical Medicine 2012年第9期5卷 686-691页

作者： Talib Hussain Ramesh K Gupta K Sweety Bavani Eswaran M vijayakumar Chandana Venkateswara Rao Pharmacognosy and Ethnopharmacology Division National Botanical Research InstituteLucknowUttar Pradesh226001India Department of Pharmacology and Toxicology Faculty of PharmacyIntegral UniversityLucknowUttar Pradesh226001India

Objective:To evaluate nephroprotective potential of Solarium xanthocarpum(***) fruit extract(SXE) against gentamicin(GM) induced nephrotoxicity) and renal dysfunction. Methods:Twenty-four Wistar rats were divided into four groups(n=6).Control rats that received normal saline(i.p.) and 0.5%carboxymethyl cellulose(p.o.) per day lor 8 *** was induced in rats by intraperitoneal administration of GM(100 mg/kg/d for 8 d) and were treated with SXE(200 and 400 mg/kg/d(p.o.) for 8 d).Plasma and urine urea and creatinine,kidney weight,urine output,blood urea nitrogen,renal enzymatic and non-enzymatic antioxidants and lipid peroxidation was evaluated along with histopathological investigation in various experimental groupsof ***:It was observed that the GM treatment induced significant elevation(P<0.001) in plasma and urine urea,creatinine,kidney weight,blood urea nitrogen, renal lipid peroxidation along with significant decrement(P<0.001) in urine output,renal enzymatic and non-enzymatic *** 200 and 400 mg/kg treatment to GM treated rats recorded significant decrement(up to P<0.001) in plasma and mine urea and creatinine, renal lipid peroxidation along with significanl increment(up to P<0.001) in renal enzymatic and non-enzvmatic *** obsenatioiis of kidney tissues too correlated with the biochemical ***:These finding powerfully supports that S,xanthocarpum fruit extract acts in the kidney as a potent scavenger of free radicals to prevent the toxic effects of GM both in the biochemical and histopathological parameters and thus validates its elhnomedicinal use.

关键词： Solanum xanthocarpum Gentamicin Antioxidants Nephrotoxicity Renal dysfunction

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Some Physical Aspects of Summer Monsoon Clouds-Comparison of Cloud Model Results with Observations

引用

Advances in Atmospheric Sciences 1991年第1期8卷 111-124页

作者： A. Mary Selvam R. vijayakumar A. S. R. Murty Indian Institute of Tropical Meteorology Pune 411008 IndiaIndian Institute of Tropical Meteorology Pune 411008 IndiaIndian Institute of Tropical Meteorology Pune 411008 India

The physical characteristics of the summer monsoon clouds were investigated. The results of a simple cloud model were compared with the aircraft cloud physical observations collected during the summer monsoon seasons of 1973, 1974, 1976 and 1981 in the Deccan Plateau *** model predicted profiles of cloud liquid water content (LWC) are in agreement with the observed profiles. There is reasonable agreement between the model predicted cloud vertical thickness and observed *** observed cloud-drop spectra were found to be narrow and the concentration of drops with diameter > 20um is either low or absent on many occasions. In such clouds the rain-formation cannot take place under natural atmospheric conditions due to the absence of collision-coalescence process. A comparison of the model predicted and observed rainfall suggested that the precipitation efficiency in cumulus clouds of small vertical thickness could be as low as 20 per *** clouds forming in the Deccan Plateau region during the summer monsoon are, by and large, cumulus and strato-cumulus type. The vertical thickness of the cumulus clouds is in the range of 1.0-2.0 km. The LWC is found to be more in the region between 1.6-1.9 km A. S. L. , which corresponds to the level at almost 3 / 4 th of the total vertical thickness of the cloud and thereafter the LWC sharply decreased. Nearly 98 per cent of the tops of the low clouds in the region are below freezing level and the most frequent range of occurrence of these cloud-tops is in the range of 2.0-3.0 km A. S. L. The dominant physical mechanism of rain-formation in these summer monsoon clouds is the collision-coalescence process.

关键词： heat Some Physical Aspects of Summer Monsoon Clouds-Comparison of Cloud Model Results with Observations

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Enteric Red Mouth disease and its causative bacterium, Yersinia ruckeri, in Indian Major Carps from culture ponds in Andhra Pradesh, India

引用

Aquaculture and Fisheries 2021年第3期6卷 289-299页

作者： Shameem Ummey Sharmila Khan P.P.N vijayakumar Adanki Ramya Department of Zoology Andhra UniversityVisakhapatnam530003India Advanced Analytical Laboratory Andhra UniversityVisakhapatnam530003India

During the present investigation,studies were carried out to investigate the outbreak of Redmouth disease in culture ponds situated at Krishna,West Godavari and East Godavari districts of Andhra *** Red Mouth disease or Yersiniosis is a serious infectious bacterial disease,sometimes responsible for causing severe economic loss to fish farming *** disease is clinically characterized by symptoms like bleeding at the base of fins,inside and around mouth,bilateral exophthalmia with or without haemorrhage,and per-ocular and peri-oral *** the present study,live or moribund fish showing lesions similar to enteric redmouth disease were collected and the causative agent was isolated by culture *** identification was carried out by conventional biochemical methods and molecular polymerase chain *** extracted from isolated pathogen was subjected to PCR amplification with a pair of *** specific *** PCR product was run on 1.5%agarose gel electrophoresis and positive bands with a molecular size of approximately 500bp were *** is similar to that given for PCR products with primers specific for ***.

关键词： Yersinia ruckeri PCR Enteric Red Mouth Disease Indian Major Carps Andhra Pradesh

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

动态GPS用于工程测图的实例研究

引用

测绘通报 1998年第11期 44-45页

作者： achar.,B 尹伯

研究区位于乔治亚州东北拉奥尼亚镇附近，场地为中等起伏地形（高程在２２１ｍ～２５７ｍ），面积１．０ｋｍ×０．７ｋｍ，场地是具有许多森林的牧场。试验是为了选择使用ＧＰＳ各种测量方法，来进行工程（大比例尺）测图并采集野外数... 详细信息

研究区位于乔治亚州东北拉奥尼亚镇附近，场地为中等起伏地形（高程在２２１ｍ～２５７ｍ），面积１．０ｋｍ×０．７ｋｍ，场地是具有许多森林的牧场。试验是为了选择使用ＧＰＳ各种测量方法，来进行工程（大比例尺）测图并采集野外数据。该工程使用现有的乔治亚高精度参...

关键词： GPS 工程测量数据采集地形测量

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Geochemical assessment of a siliceous limestone sample for cement making

引用

Chinese Journal Of Geochemistry 2011年第1期30卷 33-39页

作者： Rao D.S. vijayakumar T.V. Prabhakar S. Bhaskar Raju G. National Metallurgical Laboratory-Madras Centre CSIR Madras Complex Taramani Chennai-600 113 India

A low grade siliceous limestone sample from the Jayantipuram mine of Andhra Pradesh, India, has been investigated for its suitability for cement making. Petrological as well as X-ray diffraction pattern studies indicated that the limestone sample was crystalline and dominantly composed of calcite and quartz. They are simple in mineralogy, and yet they have variable silica and lime contents. Geochemical analysis results of twenty five hand picked samples indicated that the limestone from the Jayantipuram mine shows a wide range of variations in LOI (29.94% to 40.64%), SiO2 (6.14% to 27.18%), CaO (37.93% to 50.78%), Al2O3 (0.49% to 2.27%) and Fe2O3 (0.28% to 2.4%). MgO, K2O, Na2O, TiO2 and MnO2 are present in traces. CaO with LOI shows a strong positive correlation where as CaO with SiO2 shows a strong negative correlation because of mineralogical factors. The chemical composition of the limestone reflects its mineralogical composition. The distribution of various elements in the acid-soluble fraction has been studied by the factor analysis method in order to interpret in terms of their mineralogy, sedimentary environment and diagenesis. Mineralogy, recrystallization and other diagenetic changes are the main factors affecting the distribution of the elements and their mutual relationships in the limestone. The aim of this paper is also to analyze how significantly the two parameters, silica modulus and lime saturation factor, influence this low grade siliceous limestone sample from the Jayantipuram mine of Andhra Pradesh, India, for the cement making process from the geochemical data.

关键词：灰岩样品水泥生产地球化学硅质石灰石矿评估因子分析方法化学数据处理

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Coinfection of hepatitis B and hepatitis C virus in HIV-infectedpatients in south India

引用

World Journal of Gastroenterology 2007年第37期13卷 5015-5020页

作者： Shanmugam Saravanan vijayakumar Velu Nagalingeswaran Kumarasamy Subhadra Nandakumar Kailapuri Gangatharan Murugavel Pachamuthu Balakrishnan Solomon Suniti Sadras Panchatcharam Thyagarajan Department of Microbiology Dr ALM PGIBMS University of Madras Chennai 600 113 and National Referral Centre for Viral Hepatitis India YRG Centre for AIDS Research and Education VHS campus Taramani Chennai 600 113 India Department of Microbiology Dr ALM PGIBMS University of Madras Chennai 600 113 and National Referral Centre for Viral Hepatitis India YRG Centre for AIDS Research and Education VHS campus Taramani Chennai 600 113 India Department of Microbiology Dr ALM PGIBMS University of Madras Chennai 600 113 and National Referral Centre for Viral Hepatitis IndiaYRG Centre for AIDS Research and Education VHS campus Taramani Chennai 600 113 India

AIM: To screen for the co-infection of hepatitis B (HBV) and hepatitis C virus (HCV) in human immunodeficiency virus (HIV) infected patients in southern India. METHODS: Five hundred consecutive HIV infected patients were screened for Hepatitis B Virus (HBsAg and HBV-DNA) and Hepatitis C virus (anti-HCV and HCV-RNA) using commercially available ELISA kits; HBsAg, HBeAg/ anti-HBe (Biorad laboratories, USA) and anti-HCV (Murex Diagnostics, UK). The HBV-DNA PCR was performed to detect the surface antigen region (pre S-S). HCV-RNA was detected by RT-PCR for the detection of the constant 5' putative non-coding region of HCV. RESULTS: HBV co-infection was detected in 45/500 (9%) patients and HCV co-infection in 11/500 (2.2%) subjects. Among the 45 co-infected patients only 40 patients could be studied, where the detection rates of HBe was 55% (22/40), antiHBe was 45% (18/40) and HBV-DNA was 56% (23/40). Among 11 HCV co-infected subjects, 6 (54.5%) were anti-HCV and HCV RNA positive, while 3 (27.2%) were positive for anti-HCV alone and 2 (18%) were positive for HCV RNA alone. CONCLUSION: Since the principal routes for HIV transmission are similar to that followed by the hepatotropic viruses, as a consequence, infections with HBV and HCV are expected in HIV infected patients. Therefore, it would be advisable to screen for these viruses in all the HIV infected individuals and their sexual partners at the earliest.

关键词： Hepatitis B virus Hepatitis C virus Humanimmunodeficiency virus Co-infection Hepatotrophicviruses HBV and HCV India HBV and HCV and HIV

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Performance, emission and combustion characteristics of sea lemon oil and its diesel blends in a diesel engine

引用

International Journal of Agricultural and Biological Engineering 2009年第3期2卷 69-75页

作者： V.S.Hariharan K.vijayakumar Reddy K.Rajagopal Department of Mechanical Engineering Lakireddy Bali Reddy College of EngineeringMylavaramKrishna Dt.Andhra PradeshIndia Department of Mechanical Engineering JNTU College of EngineeringHyderabadIndia

Experimental tests have been carried out to evaluate the performance,emission and combustion characteristics of a diesel engine using neat sea lemon oil and its blends of 25%,50%,&75%and standard diesel fuel *** common problems posed when using vegetable oil in a compression ignition engine are poor atomization,carbon deposits,ring sticking *** is because of the high viscosity and low volatility of vegetable *** blended with diesel,sea lemon oil presented lower viscosity,improved volatility,better combustion and less carbon *** was found that there was reduction in NO for neat sea lemon oil and its diesel blends along with marginal increase in smoke,HC and CO emissions compared to that of standard *** thermal efficiency was slightly lower for neat sea lemon oil and its diesel *** the combustion analysis,it was found that sea lemon oil-diesel blends performed better than neat sea lemon oil.

关键词： sea lemon oil blends performance emission and combustion characteristics

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Ultimate Physical Reality of the Universe

引用

Journal of Modern Physics 2018年第3期9卷 387-394页

作者： Moolathurai Rangasamy vijayakumar Bharathiar University Coimbatore India

According to modern concepts, space continues in all directions, and has no known limits. The sun and billions of other stars make up a giant galaxy whirling through space. Countless other galaxies are scattered throughout space as far as man can see with the largest telescopes. The Newtonian uni-verse, Minkowski universe, Einstein’s General Relativistic Universe and the Big-Bang and Steady State models deal with creation and evolution of the universe. Following Einstein, Milne, Friedman, Lemaitre, De Sitter, Bondi and Gold, Hoyle, Narlikar and Brons Dicke have given their own models and tried to explain the nature of the universe. All the above mentioned concepts and models are not able to explain the Ultimate Physical Reality of the Universe. Here I suggest for the first time, the Ultimate Physical Reality of the Universe by explaining that there is no separate “space” without the presence of matter. I give the answer for the unexplained puzzling question: “What the universe expands into?” and explain that the universe is just closed and finite. I explain that the universe is ever expanding. I also give answers to important unan-swered questions so far.

关键词： Ultimate Reality of the Universe

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Review of Fresnel incoherent correlation holography with linear and non-linear correlations

引用

Chinese Optics Letters 2021年第2期19卷 1-6页

作者： vijayakumar Anand Tomas Katkus Soon Hock Ng Saulius Juodkazis Optical Sciences Centre and ARC Training Centre in Surface Engineering for Advanced Materials(SEAM) School of ScienceSwinburne University of TechnologyHawthornVIC 3122Australia Melbourne Centre for Nanofabrication ANFFClaytonVIC 3168Australia Tokyo Tech World Research Hub Initiative(WRHI) School of Materials and Chemical TechnologyTokyo Institute of Technology2-12-1OokayamaMeguro-kuTokyo 152-8550Japan

Fresnel incoherent correlation holography(FINCH)is a well-established incoherent imaging *** FINCH,three selfinterference holograms are recorded with calculated phase differences between the two interfering,differently modulated object waves and projected into a complex *** object is reconstructed without the twin image and bias terms by a numerical Fresnel back propagation of the complex hologram.A modified approach to implement FINCH by a single camera shot by pre-calibrating the system involving recording of the point spread function library and reconstruction by a nonlinear cross correlation has been introduced *** expression of the imaging characteristics from the modulation functions in original FINCH and the modified approach by pre-calibration in spatial and polarization multiplexing schemes are *** study reveals that a reconstructing function completely independent of the function of the phase mask is required for the faithful expression of the characteristics of the modulating function in image *** the polarization multiplexing method by non-linear cross correlation,a partial expression was observed,while in the spatial multiplexing method by non-linear cross correlation,the imaging characteristics converged towards a uniform behavior.

关键词： digital holographic imaging Fresnel incoherent correlation holography holographic techniques imaging systems incoherent holography and speckle noise

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Laplace Decomposition Method for Time-Fractional Fornberg-Whitham Type Equations

引用

Journal of Applied Mathematics and Physics 2021年第2期9卷 260-271页

作者： Thilagarajah Mathanaranjan Dayalini vijayakumar Department of Mathematics and Statistics University of Jaffna Jaffna Northern Province Sri Lanka

In this study, the closed form of series solutions of the original and modified nonlinear time-fractional Fornberg-Whitham equations are derived by means of the Laplace decomposition method (LDM). The fractional order derivatives are expressed in the sense of Caputo. For the specific choice of parameters, the obtained solutions are compared with the exact solutions to validate the accuracy of this method. Numerical solutions are represented graphically which illustrate the behavior of the solutions. Further, the computations express that the above method is straightforward, and it desires the smaller size of computation.

关键词： Fractional Derivative Fractional Fornberg-Whitham Equation Laplace Transformation Adomian Decomposition Method

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：