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| 1 | Hepatoprotective and immunomodulatory properties of aqueous extract of Curcuma longa in carbon tetra chloride intoxicated Swiss albino mice显示文摘Objective:To evaluate the hepatoprotective and immunotherapeutic effects of aqueous extract of turmeric rhizome in CCl_4 intoxicated Swiss albino mice.Methods:first group of mice(n=5) received CCl_4 treatment at a dose of 0.5 mL/kg bw(i.p.) for 7 days.Second group was fed orally the aqueous extract of turmeric at a dose of 50 mg/kg bw for IS days.The third group was given both the turmeric extract(for 15 days,orally) and CCl_4(for last 7 days,i.p.).The fourth group was kept as a control.To study the liver function,the transaminase enzymes(SGOT and SGPT) and bilirubin level were measured in the serum of respective groups.For assaying the immunotherapeutic action of Curcuma longa(C.longa),non specific host response parameters like morphological alteration,phagocytosis,nitric oxide release,myeloperoxidase release and intracellular killing capacity of peritoneal macrophages were studied from the respective groups.Results:The result of present study suggested that CCl_4 administration increased the level of SCOT and SGPT and bilirubin level in serum.However,the aqueous extract of turmeric reduced the level of SGOT, SCFT and bilirubin in CCl_4 intoxicated mice.Apart from damaging the liver system,CCl_4 also reduced non specific host response parameters like morphological alteration,phagocytosis, nitric oxide release,myeloperoxidase release and intracellular killing capacity of peritoneal macrophages.Administration of aqueous extract of C.longa offered significant protection from these damaging actions of CCl_4 on the non specific host response in the peritoneal macrophages of CCl_4 intoxicated mice.Conclusions:In conclusion,the present study suggests that C.longa has immunotherapeutic properties along with its ability to ameliorate hepatotoxicity. | Mahuya Sengupta Gauri Dutta Sharma Biswajit Chakraborty | 2011 | Asian Pacific Journal of Tropical Biomedicine2011，1，3： | 11 |
| 2 | 基于有限元法的硬脑膜外视皮层电刺激仿真研究显示文摘经硬脑膜对视皮层电刺激是治疗失明的新思路。为从理论上认识其作用机制,首先建立视皮层区域的有限元仿真模型,分析脑组织内电场分布,并用激活函数和组织活化区来表征外加刺激的作用效果;随后逐次改变单相脉冲的幅值、脉宽和频率,通过基波作用下组织活化区的变化来探讨不同刺激参数对结果的影响。仿真结果显示,经硬脑膜可以实现对视皮层的有效刺激,只是所需刺激强度比直接皮层刺激约高30倍;多电极刺激模式下,只要电极间距超过5 mm,电极间的影响可忽略不计;降低幅值、脉宽和频率等参数,可以改善单相方波脉冲的刺激效果,其中幅值的减小对空间分辨率的提高效果最为显著。所得结论对实验具有一定指导意义。 | 侯文生 章毅 郑小林 吴小鹰 阴正勤 JIANG Yingtao BISWAJIT Das | 2010 | 中国生物医学工程学报2010，29，4： | 9 |
| 3 | 基于微线圈阵列的多道神经电刺激信号透皮传输的初步实验研究显示文摘通过探索微线圈阵列实现多路神经电刺激信号透皮传输的可行性及影响传输效率的相关因素。根据电磁耦合原理,设计了包括脉冲发生、高频振荡、AM调制、功率放大、选频等刺激信号发射电路,信号接收电路,以及用于多通道信号耦合的微线圈阵列和相应实验测试装置。实验中对电路的性能以及线圈发生横向失配和角形失配时电路的可靠性进行了测试,在此基础上设计了2×2阵列的多通道传输装置。结果表明在调谐网络的作用下通道间信号的干扰较小,各通道输出信号能满足神经电刺激的要求。该方法经试验验证具有可行性,可用作各类植入式医疗仪器刺激或者控制信号的多通道传输装置,具有广泛的应用前景。 | 郑小林 牟宗霞 侯文生 吴小鹰 阴正勤 Jiang Yingtao Biswajit Das 彭承琳 | 2009 | 仪器仪表学报2009，30，5： | 7 |
| 4 | Bi-metallic catalysts of mesoporous Al_2O_3 supported on Fe, Ni and Mn for methane decomposition: Effect of activation temperature显示文摘Methane decomposition reaction has been studied at three different activation temperatures(500°C,800°C and950°C)over mesoporous alumina supported Ni–Fe and Mn–Fe based bimetallic catalysts.On co-impregnation of Ni on Fe/Al_2O_3the activity of the catalyst was retained even at the high activation temperature at 950°C and up to180 min.The Ni promotion enhanced the reducibility of Fe/Al_2O_3oxides showing higher catalytic activity with a hydrogen yield of 69%.The reactivity of bimetallic Mn and Fe over Al_2O_3catalyst decreased at 800°C and 950°C activation temperatures.Regeneration studies revealed that the catalyst could be effectively recycled up to 9times.The addition of O_2(1 ml,2 ml,4 ml)in the feed enhanced substantially CH_4conversion,the yield of hydrogen and the stability of the catalyst. | Anis H.Fakeeha Ahmed S.Al-Fatesh Biswajit Chowdhury Ahmed A.Ibrahim Wasim U.Khan Shahid Hassan Kasim Sasudeen Ahmed Elhag Abasaeed | 2018 | Chinese Journal of Chemical Engineering2018，26，9： | 3 |
| 5 | mmunomodulatory properties of silver nanoparticles ontribute to anticancer strategy for murine fibrosarcoma显示文摘 | Biswajit Chakraborty Ramkrishna Pal Mohammed Ali Leichombam Mohindro Singh Dewan Shahidur Rahman Sujit Kumar Ghosh Mahuya Sengupta | 2016 | Cellular & Molecular Immunology2016，13，2： | 3 |
| 6 | Absolute copy number differences of Y chromosomal genes between crossbred (Bos taurus×Bos indicus) and Indicine bulls显示文摘Background: The Y chromosome in mammal is paternally inherited and harbors genes related to male fertility and spermatogenesis. The unique intra-chromosomal recombination pattern of Y chromosome and morphological difference of this chromosome between Bos taurus and Bos indicus make it an ideal model for studying structural variation, especially in crossbred(Bos taurus × Bos indicus) bulls. Copy Number Variation(CNV) is a type of genomic structural variation that gives information complementary to SNP data. The purpose of this study was to find out copy number differences of four Y chromosomal spermatogenesis-related candidate genes in genomic DNA of crossbred and purebred Indicine bulls. Result: Four Y chromosomal candidate genes of spermatogenesis namely, sex determining gene on Y chromosome(SRY), DEAD box polypeptide 3-Y chromosome(DDX3Y), Ubiquitin specific peptidase 9, Y-linked(USP9Y), testis-specific protein on Y chromosome(TSPY) were evaluated. Absolute copy numbers of Y chromosomal genes were determined by standard curve-based quantitative real time PCR. Copy numbers of SRY and TSPY genes per unit amount of genomic DNA are higher in crossbred than Indicine bulls. However, no difference was observed in DDX3Y and USP9Y gene copy numbers between two groups. Conclusion: The present study demonstrates that the structural organization of Y chromosomes differs between crossbred and Indicine bulls which are reproductively healthy as observed from analysis of semen attributes. The absolute copy numbers of SRY and TSPY genes in unit mass of genomic DNA of crossbred bulls are significantly higher than Indicine bulls. No alteration in absolute copies of DDX3Y and USP9Y gene was found between the genome of crossbred and Indicine bulls. This study suggests that the DDX3Y and USP9Y are likely to be single copy genes in the genome of crossbred and Indicine bulls and variation in Y chromosome length between crossbred and Indicine bulls may be due to the copy number variation of SRY gene and TSPY array. | Ayan Mukherjee Gulshan Dass Jagan Mohanarao G Moloya Gohain Biswajit Brahma Tirtha Kumar Datta Sachinandan De | 2013 | Journal of Animal Science and Biotechnology2013，4，4： | 3 |
| 7 | Regeneration of Cytologically Stable Plants Through Dedifferentiation, Redifferentiation, and Artificial Seeds in Spathoglottis plicata Blume.(Orchidaceae)显示文摘Spathoglottis plicata Blume. is a horticulturally important vulnerable ground orchid with beautiful flowers blooming round the year. Highfrequency protocorm-like body(PLB) formation was established via callus culture from vegetative tissues of in vitro germinated seedlings of S.plicata. Media containing MS salts and Gamborg's B5 vitamins supplemented with 1.0 mg·L^(-1) 2,4-dichlorophenoxyacetic acid(2,4-D), 3.0 mg·L^(-1) α-naphthaleneacetic acid(NAA), 1.0 mg·L^(-1) kinetin(KIN), and 10%(v/v) ‘Aloe vera gel'(Av G) were effective in fragile calli induction. A maximum of(22.3 ± 0.52) PLBs were induced from about 250 mg callus within 45–55 days in the presence of 2.0 mg·L^(-1) NAA and 3.0 mg·L^(-1) 6-benzylaminopurine(BAP). Briefly, 3.0% sodium alginate was found to be most suitable for the formation of an appropriate shape and good germination rates(86.7%)of artificial seeds. Out of three different temperatures(4, 15, and 24 °C), the best result was achieved at 4 °C with 66.7% germinability even after90 days of storage. Plantlets were acclimatized with 86.6% survival rate and 76.3% of these plants produced flowers within 12–15 months of field transfer. Chromosomal studies revealed cytological stability of all regenerants containing 2 n = 40 chromosomes as in the parental plants.The present protocol can be applied reliably for the purposes of large-scale commercial propagation and short-term conservation of this orchid. | Sk Moquammel Haque Biswajit Ghosh | 2017 | Horticultural Plant Journal2017，3，5： | 2 |
| 8 | Variation and dispersal of PM_(10) and PM_(2.5) during COVID-19 lockdown over Kolkata metropolitan city,India investigated through HYSPLIT model显示文摘The higher concentration of PM_(10) and PM_(2.5) in the lower atmosphere is severely harmful for human health and it also makes visibility diminution along with weather and climate modifications.The main objective is to find out the spatiotemporal variation and dispersal of PM_(10) and PM_(2.5) along with COVID-19 infection in the dusty city Kolkata.The consecutive two years PM_(10) and PM_(2.5) data of different stations have been obtained from State Pollution Control Board,Govt.of West Bengal.Forward trajectory analysis has been done through HYSPLIT(Hybrid Single Particle Lagrangian Integrated Trajectory)model to find the path and direction of air particles.The result showed that the various meteorological or environmental factors(such as temperature,relative humidity,wind,wind speed,pressure and gusty wind)and geographical location regulate the spatiotemporal variation of PM_(10) and PM_(2.5).These factors like high temperature with relative humidity and strong wind influence to disperse the particulate matters from north to south direction from city to outside during summer in Kolkata metropolitan city.During summer(both pre and lockdown years),the height of particles is extended up to 1000 m owing to active atmospheric ventilation whereas in winter it is confined within 100 m.The HYSPLIT model clearly specified that the particles dispersed from south,south-west to north and north east direction due to strong wind.The constant magnification of PM_(10) and PM_(2.5) in the lower atmosphere leads to greater frequency of COVID-19 infections and deaths.In Kolkata,the one of the crucial reasons of high infection and deaths(COVID-19)is co-morbidity of people. | Biswajit Bera Sumana Bhattacharjee Nairita Sengupta Soumik Saha | 2022 | Geoscience Frontiers2022，13，1： | 2 |
| 9 | Simulation of the fluidic features for diffuser/nozzle involved in a PZT-based valveless micropump显示文摘PZT-based valveless micropump is a microactuator that can be used for controlling and delivering tiny amounts of fluids,and diffuser/nozzle plays an important role when this type of micropump drives the fluid flowing along a specific direction.In this paper,a numerical model of micropump has been proposed,and the fluidic properties of diffuser/nozzle have been simulated with ANSYS.With the method of finite-element analysis,the increased pressure drop between inlet and outlet of diffuser/nozzle induces the increment of flow rate in both diffuser and nozzle simultaneously,but the increasing rate of diffuser is faster than that of nozzle.The L/R,ratio of L(length of cone pipe) and R(radius of minimal cross section of cone pipe) plays an important role in fluidic performance of diffuser and nozzle as well,and the mean flow rate will decrease with increment of L/R.The mean flow rate reaches its peak value when L/R with the value of 10 regardless the divergence angle of diffuser or nozzle.The simulation results indicate that the fluidic properties of diffuser/nozzle can be defined by its geometric structure,and accordingly determine the efficiency of micropump. | HouWensheng Zheng Xiaolin Biswajit Das Jiang Yingtao Qian Shizhi Wu Xiaoying Zheng Zhigao | 2008 | 仪器仪表学报2008，29，1： | 2 |
| 10 | nventory partial selling quantity model of ameliorating items with linear price dependent demand 显示文摘 | MANDAL BISWAJIT KUMAR BHUNIA ASOKE MAITI MANO RAN JAN | 2005 | Advanced Modeling and Optimization2005，7，1： | 1 |
| 11 | An inventory system of ameliorating items for price dependent demand rate 显示文摘 | MONDAL BISWAJIT KUMAR BHUNIA ASOKE MAITI MANO RAN JAN | 2003 | Computers and Industrial Engineering2003，45，： | 1 |
| 12 | An Improved Inventory Model with Partial Backlogging, Time Varying Deterioration and Stock-dependent Demand 显示文摘 | Biswajit S K Sumon S K | 2013 | Economic Modelling2013，30，： | 1 |
| 13 | Simplex and duplex PCR assays for species specific identification of cattle and buffalo milk and cheese显示文摘 | Sachinandan De Biswajit Brahma Shamik Polley Ayan Mukherjee Deepak Banerjee Moloya Gohaina Karan Pratap Singh Rameswar Singh Tirtha Kumar Datta Surender Lal Goswami | 2010 | Food Control2010，，5： | 1 |
| 14 | X-ray photoelectron spectroscopy study of V2O5 dispersion on a nanosized A1203-TiO2 mixed oxide 显示文摘 | Benjaram M R Biswajit C | 2001 | Langmuir2001，17，： | 1 |
| 15 | Azo carbaro le polymethary lares as single component electrooptic materials 显示文摘 | Christopher B Biswajit C | 1998 | Macromolecules1998，31，15： | 1 |
| 16 | An XPS study of dispersion and chemical state of MoO3 on A12Os-TiO2 binary oxide support显示文摘 | Benjaram M R Biswajit C Ettireddy P R | 2001 | Applied Catalysis A: General2001，213，： | 1 |
| 17 | Mieromechanics-based determination of effective elastic properties of polymer bonded explosives 显示文摘 | Biswajit Banerjee Daniel O Adams | 2003 | Physica B2003，338，： | 1 |
| 18 | Mathematical model of supercritical methylamine(SCM) delignification of wood显示文摘 | Maiti Biswajit Whitmire | 1999 | Chemical Engineering Communication1999，174，： | 1 |
| 19 | 显示文摘 | Nabarun Pal Biswajit Mishra | 2002 | Mineralium Deposita2002，，8： | 1 |
| 20 | An analog non-liner signal conditioning circuit for constant temperature anemometer显示文摘 | Nandita Sanyal Biswajit Bhattacharyya Sugata Munshi | 2006 | Measurement2006，，39： | 1 |
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