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65篇 您的检索式:作者名="Nilanjan"
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1Laboratory simulated dissipation of metsulfuron methyl and chlorimuron ethyl in soils and their residual fate in rice, wheat and soybean at harvest显示文摘Two sulfonylurea herbicides, metsulfuron methyl (Ally 20 WP) and chlorimuron ethyl (Classic 25 WP) were evalu-ated for their dissipation behaviour in alluvial, coastal saline and laterite soils under laboratory incubated condition at 60% water holding capacity of soils and 30 °C temperature was maintained. In field study herbicides were applied twice for the control of grasses, annual and perennials broad leaves weeds and sedges in rice, wheat and soybean to find out the residual fate of both the herbicides on different matrices of respective crops after harvest. Extraction and clean up methodologies for the herbicides were standardized and subsequently analyzed by HPLC. The study revealed that the half-lives of metsulfuron methyl and chlorimuron ethyl ranged from 10.75 to 13.94 d irrespective of soils and doses applied. Field trials with rice, wheat and soybean also revealed that these two herbicides could safely be recommended for application as no residues were detected in the harvest samples.SANYAL Nilanjan PRAMANIK Sukhendu Kumar PAL Raktim CHOWDHURY Ashim 2006Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2006,7,3:11
2Matrix metalloproteinases and gastrointestinal cancers: Impacts of dietary antioxidants显示文摘The process of carcinogenesis is tightly regulated by antioxidant enzymes and matrix degrading enzymes, namely, matrix metalloproteinases(MMPs). Degradation of extracellular matrix(ECM) proteins like collagen, proteoglycan, laminin, elastin and fibronectin is considered to be the prerequisite for tumor invasion and metastasis. MMPs can degrade essentially all of the ECM components and, most MMPs also substantially contribute to angiogenesis, differentiation, proliferation and apoptosis. Hence, MMPs are important regulators of tumor growth both at the primary site and in distant metastases; thus the enzymes are considered as important targets for cancer therapy. The implications of MMPs in cancers are no longer mysterious; however, the mechanism of action is yet to be explained. Herein, our major interest is to clarify how MMPs are tied up with gastrointestinal cancers. Gastrointestinal cancer is a variety of cancer types, including the cancers of gastrointestinal tract and organs, i.e., esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus. The activity of MMPs is regulated by its endogenous inhibitor tissue inhibitor of metallopro-teinase(TIMP) which bind MMPs with a 1:1 stoichiometry. In addition, RECK(reversion including cysteinerich protein with kazal motifs) is a membrane bound glycoprotein that inhibits MMP-2,-9 and-14. Moreover, α2-macroglobulin mediates the uptake of several MMPs thereby inhibit their activity. Cancerous conditions increase intrinsic reactive oxygen species(ROS) through mitochondrial dysfunction leading to altered protease/anti-protease balance. ROS, an index of oxidative stress is also involved in tumorigenesis by activation of different MAP kinase pathways including MMP induction. Oxidative stress is involved in cancer by changing the activity and expression of regulatory proteins especially MMPs. Epidemiological studies have shown that high intake of fruits that rich in antioxidants is associated with a lower cancer incidence. Evidence indicates that some antioxidants inhibit the growth of malignant cells by inducing apoptosis and inhibiting the activity of MMPs. This review is discussed in six subchapters, as follows.Sugreev Verma Kousik Kesh Nilanjan Ganguly Sayantan Jana Snehasikta Swarnakar 2014World Journal of Biological Chemistry2014,5,3:10
3Design of a Proportional-Integral-Derivative Controller for an Automatic Generation Control of Multi-area Power Thermal Systems Using Firefly Algorithm显示文摘Essentially, it is significant to supply the consumer with reliable and sufficient power. Since, power quality is measured by the consistency in frequency and power flow between control areas. Thus, in a power system operation and control,automatic generation control(AGC) plays a crucial role. In this paper, multi-area(Five areas: area 1, area 2, area 3, area 4 and area 5) reheat thermal power systems are considered with proportional-integral-derivative(PID) controller as a supplementary controller. Each area in the investigated power system is equipped with appropriate governor unit, turbine with reheater unit, generator and speed regulator unit. The PID controller parameters are optimized by considering nature bio-inspired firefly algorithm(FFA). The experimental results demonstrated the comparison of the proposed system performance(FFA-PID)with optimized PID controller based genetic algorithm(GAPID) and particle swarm optimization(PSO) technique(PSOPID) for the same investigated power system. The results proved the efficiency of employing the integral time absolute error(ITAE) cost function with one percent step load perturbation(1 % SLP) in area 1. The proposed system based FFA achieved the least settling time compared to using the GA or the PSO algorithms, while, it attained good results with respect to the peak overshoot/undershoot. In addition, the FFA performance is improved with the increased number of iterations which outperformed the other optimization algorithms based controller.K.Jagatheesan B.Anand Sourav Samanta Nilanjan Dey Amira S.Ashour Valentina E.Balas 2019IEEE/CAA Journal of Automatica Sinica2019,6,2:4
4Carbon nanotubes:Evaluation of toxicity at biointerfaces显示文摘Carbon nanotubes (CNTs) are a class of carbon allotropes with interesting properties that make them productive materials for usage in various disciplines of nanotechnology such as in electronics equipments, optics and therapeutics. They exhibit distinguished properties viz., strength, and high electrical and heat conductivity. Their uniqueness can be attributed due to the bonding pattern present between the atoms which are very strong and also exhibit high extreme aspect ratios. CNTs are classified as singlewalled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) on the basis of number of sidewalls present and the way they are arranged spatially. Application of CNTs to improve the performance of many products, especially in healthcare, has led to an occupational and public exposure to these nanomaterials. Hence, it becomes a major concern to analyze the issues pertaining to the toxicity of CNTs and find the best suitable ways to counter those challenges. This review summarizes the toxicity issues of CNTs in vitro and in vivo in different organ systems (bio interphases) of the body that result in cellular toxicity.Debashish Mohanta Soma Patnaik Sanchit Sood Nilanjan Das 2019Journal of Pharmaceutical Analysis2019,9,5:4
5基于虚拟开车环境的自闭症儿童脑电样本熵显示文摘自闭症谱系障碍是一种涉及感觉、情感、记忆、语言、智力、动作等认知功能和执行功能障碍的精神疾病.本文从神经工效学角度出发,用虚拟开车环境作为复杂多任务激励源将大脑系统与人体动作控制等有机地结合起来,通过对脑电信号的滑动平均样本熵分析来探索自闭症儿童在虚拟开车环境中的脑活动特征.研究发现不论是休息状态还是开车状态,自闭症患者的滑动平均样本熵总体上低于健康者,尤其在前额叶、颞叶、顶叶和枕叶功能区,表明自闭症儿童的行为适应性较低.不过,自闭症患者的开车状态与健康受试者的休息状态比较接近,表明虚拟开车环境或许有助于自闭症患者的干预治疗.此外,自闭症患者在颞叶区呈现显著性右半球优势性.本研究为进一步深入开展自闭症疾病的机理研究及其诊断、评估和干预等研究提供一种新的研究思路.雷敏 孟光 张文明 Nilanjan Sarkar 2016物理学报2016,65,10:3
6Robust Nonlinear Analytic Redundancy for Fault Detection and Isolation in Mobile Robot显示文摘一种柔韧的非线性的分析冗余性(RNLAR ) 技术被介绍在一个活动机器人检测并且孤立致动器和传感器差错。model-plant-mismatch (MPM ) 和过程骚乱在差错察觉期间被考虑。RNLAR 被用来设计主要剩余向量(PRV ) ,它对差错和对 MPM 和过程骚乱敏感的更少高度敏感,为传感器和致动器差错察觉。PRV 然后为差错隔离被转变成一套结构化的剩余向量(SRV ) 。先驱 3-DX 上的试验性的结果活动机器人被介绍认为 RNLAR 计划的有效性正当。关键词差错察觉 - 差错隔离 - 非线性的系统 - 坚韧性 - 无常这个工作由军队研究办公室被支持(没有。DAAD19-02-1-0160 ) 并且海军的研究的办公室(没有。N00014-03-1-0052 和 N00014-06-1-0146 ) 。Bibhrajit Halder 在 Birla 工学院(小点) 从 Mechanical Engineering 的部门毕业了, Mesra,印度,在 2000。他从俄亥俄大学在 mechanical engineering 和应用数学收到了他的硕士学位,雅典,美国,在 2002 和 2003 分别地,并且来自范德比尔特大学的博士学位, Nashville,美国,在 2006。他当前是在田纳西州立大学的一个博士后的研究人员, Nashville,美国。他的研究兴趣包括机器的系统,差错察觉和隔离的自治控制,处理的图象,和应用数学。Nilanjan Sarkar 从宾夕法尼亚大学收到了他的博士学位,美国,在 1993。他然后加入了女王鈥檚 大学,是的加拿大是的一所博士后的同事、以后的夏威夷大学在搬到 2000 到范德比尔特大学前的一个助教。他当前在范德比尔特大学是 mechanical engineering,和计算机工程的一个副教授。他的研究兴趣包括机器的系统的动力学和控制,指责容忍的控制,和人机器人的相互作用。萨卡博士当前是为杂志的一个伙伴编辑聪明的系统和机器人学,和先进机器的系统的杂志。他以前为 IEEE/ASME 交易在机器人学上并且作为一个客人编辑为 IEEE 交易担任了一个伙伴编辑在 Mechatronics 上。Bibhrajit Halder Nilanjan Sarkar 2007International Journal of Automation and computing2007,4,2:2
7Subaqueous early eruptive phase of the late Aptian Rajmahal volcanism,India:Evidence from volcaniclastic rocks,bentonite,black shales,and oolite显示文摘The late Aptian(118-115 Ma) continental flood basalts of the Rajmahal Volcanic Province(RVP) are part of the Kerguelen Large Igneous Province,and constitute the uppermost part of the Gondwana Supergroup on the eastern Indian shield margin.The lower one-third of the Rajmahal volcanic succession contains thin layers of plant fossil-rich inter-trappean sedimentary rocks with pyroclasts,bentonite,grey and black shale/mudstone and oolite,whereas the upper two-thirds consist of sub-aerial fine-grained aphyric basalts with no inter-trappean material.At the eastern margin and the north-central sector of the RVP,the volcanics in the lower part include rhyolites and dacites overlain by enstatite-bearing basalts and enstatite-andesites.The pyroclastic rocks are largely felsic in composition,and comprise ignimbrite as well as coarse-grained tuff with lithic clasts,and tuff breccia with bombs,lapilli and ash that indicate explosive eruption of viscous rhyolitic magma.The rhyolites/dacites(>68 wt.%) are separated from the andesites(< 60 wt.%) by a gap in silica content indicating their formation through upper crustal anatexis with only heat supplied by the basaltic magma.On the other hand,partially melted siltstone xenoliths in enstatite-bearing basalts suggest that the enstatite-andesites originated through mixing of the upper crust with basaltic magma,crystallizing orthopyroxene at a pressure-temperature of ~3 kb/1150℃.In contrast,the northwestern sector of the RVP is devoid of felsic-intermediate rocks,and the volcaniclastic rocks are predominantly mafic(basaltic) in composition.Here,the presence of fine-grained tuffs,tuff breccia containing sideromelane shards and quenched texture,welded tuff breccia,peperite,shale/mudstone and oolite substantiates a subaqueous environment.Based on these observations,we conclude that the early phase of Rajmahal volcanism occurred under predominantly subaqueous conditions.The presence of grey and black shale/mudstone in the lower one-third of the succession across the entire Rajmahal basin provides unequivocal evidence of a shallow-marine continental shelf-type environment.Alignment of the Rajmahal eruptive centers with a major N—S mid-Neoproterozoic lineament and the presence of a gravity high on the RVP suggest a tectonic control for the eruption of melts associated with the Kerguelen plume that was active in a post-Gondwana rift between India and Australia-Antarctica.Naresh C.Ghose Nilanjan Chatterjee Brian F.Windley 2017Geoscience Frontiers2017,8,4:2
8Image thresholding by variational minimax optimization显示文摘Baidya Nath Saha Nilanjan Ray 2009Pattern Recognition2009,42,:1
9Probabilistic model for failure initiation of reinforced concrete interior beam–column connections subjected to seismic loading显示文摘Nilanjan Mitra Sudeshna Mitra Laura N. Lowes 2010Engineering Structures2010,,1:1
10Effect of Physical Irradiation and Chemical Mutagen Treatment on Methane Production by Methanogenic Bacteria 显示文摘NILANJAN C GOURANGA M SARKAR C 2003World Journal of Microbiology & Bioteehnology2003,19,:1
11Seamless SIP Based Mobility for Multimedia Applications显示文摘Nilanjan Banerjee Arup Acharya Sajal K Das 2006IEEE Network2006,2006,:1
12Effect of physical irradiation and chemical mutagen treatment on methane production by methanogenic bacteria 显示文摘Nilanjan C Gouranga M S Sujit C L 2003World Journal of Microbiology & Biotechnology2003,19,:1
13Investor protection effects on corporate liquidity and the cost of capital显示文摘Chhabra Monish Ferris Stephen P and Sen Nilanjan 2009Applied Economics Letters2009,16,8:1
14Landcover Classification in MRF Context Using Dempster - Shafer Fusion for Multisensor Imagery 显示文摘Anjan Sarkar Anjan Banerjee Nilanjan Banerjee 2005IEEE Transactions on Image Processing2005,14,5:1
15Fault-tolerant control of an autonomous underwater vehicle under thruster redundancy显示文摘Tarun Kanti Podder Nilanjan Sarkar 2001Robotics and Autonomous Systems2001,4,1:1
16Antioxidant protection: A promising therapeutic intervention in neurodegenerative disease显示文摘Nilanjan Ghosh Rituparna Ghosh Subhash C. Mandal 2011Free Radical Research2011,,8:1
17A novel range based QSAR study of human neuropeptide Y (NPY) Y5 receptor inhibitors显示文摘Sumit Deswal Nilanjan Roy 2007European Journal of Medicinal Chemistry2007,42,4:1
18Genetic algorithrm wavelet design for signal classification显示文摘Erie J Paul R Nilanjan D 2001Pattern Analysis and Machine Intelligence2001,23,8:1
19Time-reversal imaging for classification of submerged elastic targets via Gibbs sampling and the relevance vector machine显示文摘Dasgupta Nilanjan Carin 2005Journal of the Acoustical Society of America2005,117,41:1
20Fault-tolerant control of an autonomous underwater vehicle under thruster redundancy显示文摘Tarun Kanti Podder Nilanjan Sarkar 2001Robotics and Autonomous Systems2001,34,:1
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