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| 1 | Rare earth metal triflates promoted Diels-Alder reactions in ionic liquids显示文摘 | DIGANTA Sarma ANIL Kumar | 2008 | Applied Catalysis A: General2008，335，： | 1 |
| 2 | Characterization of toxin from Verocytotoxigenic Ecscherichia coli(VTEC) strains isolated from neonatal calves in India显示文摘Objective:The present study has characterized dialyzed toxin from non-0157 VTEC E.coli isolates by vero cell toxicity assay and pathogenecity in mice model.Methods:Toxins from non-0157 verocytotoxic Escherichia coli isolated from neonatal calves were characterized.Dialyzed toxin from E.coli 026,0111 and 0103 serotypes were prepared and characterized by verocell toxicity assay and pathogenicity in mice model.E.coli 0157:H7 considered as positive control for this study.Results:Cytopathic effects in vero cell line first rounding of vero cells,followed by clumping of cells and finally disintegrated,blackened,shriveled cell line within 16 to 72 hrs.Phenotypic markers such as hind limb paralysis and reddening of tail were prominent in all the toxicated mice.Extensive histopathological study was conducted for multiple organ involvement.Conclusion: Several methods for toxin assay were developed based on biological,immunological and detection of virulence genes related to toxin production but each test has draw back.Therefore,it is likely that future effort will be focused on the development of assay,which is fast,reliable,specific and sensitive methods based on mice model. | Diganta Pan Ashok Kumar Bhatia Bhilegaonkar KN | 2009 | Asian Pacific Journal of Tropical Medicine2009，2，2： | 1 |
| 3 | Diganta Goswami; Indra Baruah; Sunil Dhiman; Bipul Rabha; Vijay Veer; Lokendra Singh; Dhirendra Kumar Sharma显示文摘 | Diganta Goswami Indra Baruah Sunil Dhiman Bipul Rabha Vi- jay Veer Lokendra Singh Dhirendra Kumar Sharma | 2013 | Asian Pacific Jour- nal of Tropical Medicine2013，，7： | 1 |
| 4 | Neuroendocrine carcinoma of gallbladder: report of 2 cases显示文摘BACKGROUND: Neuroendocrine carcinoma of the gall- bladder is rare. Its best treatment is not known. METHODS: Two patients underwent surgery earlier: one for suspected cholecystitis and the other for cholelithiasis. Magnetic resonance cholangiopancreatography ( MRCP ) showed residual lesions in the livers. The two patients un- derwent revision surgery followed by chemotherapy. RESULTS; Both patients tolerated the second stage surgery well, which was followed by chemotherapy with paclitaxel, ifosphamide and cisplatin for 6 cycles. They were treated this way for 8 months and 12 months post treatment, re- spectively. CONCLUSIONS: A proper diagnosis of neuroendocrine carcinoma is made often after surgery. As it is a slow grow- ing tumor and not very chemotherapeutically, sensitive sur- gery offers the best local control. | Keechilat Pavithran Kumar Prabhash Diganta Hazarika Dinesh C Doval | 2005 | Hepatobiliary & Pancreatic Diseases International2005，4，1： | 1 |
| 5 | Rare earth metal triflates promoted Diels-Alder reactions in ionic liquids 显示文摘 | DIGANTA SARMA ANIL KUMAR | 2008 | Applied Catalysis A2008，335，1： | 1 |
| 6 | Geomorphic signatures of active tectonics in Subansiri River Basin, eastern Himalayas显示文摘The Subansiri,a major tributary of the Brahmaputra with its catchment area(35763 km^2)spreading almost entirely in the Eastern Himalayas across almost all the major and local tectonic features in the area witnesses large numbers of seismic events.Active tectonic indices like relief and slope,drainage pattern,longitudinal profile,valley profile,hypsometry,valley asymmetry factors and transverse topographic symmetry index,stream length gradient,valley floor-height ratio extracted from SRTM 3 arcsecond data prove that the evolving basin morphology has substantial contribution from the Himalayan tectonics.Seismic data are incorporated in the study to establish the potentially active tectonic elements in the catchment area.The study shows that the western part of the Subansiri River Basin is profoundly tilted towards north in the upper catchment and towards east in the lower and middle part of the catchment.The predominant tectonic movements in the western part of the basin caused the tilting of the basin towards north in the upstream and towards east in the middle and lower parts. | Diganta KUMAR Bhagawat Pran DUARAH | 2020 | Journal of Mountain Science2020，17，6： | 1 |
| 7 | Chemotherapy and drug resistance status of malaria parasite in northeast India显示文摘India reports the highest number of malaria cases in Southeast Asia,of which Plasmodium falciparum contribute more than half of the cases every year.North eastern states of India contribute only 3.96%of country’s population but account for>10%of total reported malaria cases.11%of Plasmodium falciparum cases and 20%of malaria related deaths annually.In India,chloroquine resistance was reported for the first time from northeast region and since then chloroquine treatment failure is being reported from many parts of the region.Increased chloroquine treatment failure has led to change of the drug policy to artemisinin combination therapy as first line of malaria treatment in the region.However,replacing chloroquine to artemisinin combination therapy has not shown significant difference in the overall malaria incidence in the region,The present review addresses the current malaria situation of northeastern region of India in the light of antimalarials drug resistance. | Diganta Goswami Indra Baruah Sunil Dhiman Bipul Rabha Vijay Veer Lokendra Singh Dhirendra Kumar Sharma | 2013 | Asian Pacific Journal of Tropical Medicine2013，6，7： | 0 |
| 8 | Molecular differentiation of cryptic stage of Echinococcus granulosus and Taenia species from faecal and environmental samples显示文摘Objective:To differentiate cryptic stage of Echinococcus granulosus(E.granulosus) and Taenia by PCR-RFLP and sequence information of amplicon.Methods:DNA were isolated from metacestodes stage of Taenia and E.granulosus using DNA isolation kit(Q-BIOgene kit,USA), the amplified and purified DNA product was then cloned and sent for sequencing.The generating sequence information was used for amplicons identification.Results:Out of 112 faecal and environmental samples,16 exhibited positive result.The product size of amplicon positive for E.granulosus was 310 bp;whereas,for Taenia spp.sizes varied from 379 to 388 bp.Restriction pr of ile of actinⅡwith Csp61 also differed Taenia spp.and E.granulosus.Conclusions:The result of the study indicated that,the primers were useful to differentiate cryptic stage of the two genera which is yet to be reported earlier. | Diganta Pan Sumanta De Asit Kumar Bera Subhashis Bandyopadhyay Subrata Kumar Das Debasis Bhattacharya | 2010 | Asian Pacific Journal of Tropical Medicine2010，3，4： | 0 |
| 9 | Enterohaemolysin production and verotoxin genes in Escherichia coli strains isolated from neonatal calves in India显示文摘Objective:To screened all haemolytic strains of Escherichia coli(E.coli) for the presence of verotoxin genes and speculate the association between enterohaemolysin production and presence of verotoxin genes.Methods: A total 176 of E.coli strains of 64 serogroups isolated from neonatal calves were selected and screened for alpha -haemolysin and enterohaemolysin production on sheep blood agar and 5%washed sheep blood agar.Two types of haemolytic strains were further characterized by PCR for presence of Verotoxin gene(VT1 and VT2) and confirmed by verocell cytotoxicity assay.Results:Among 27 enterohaemolytic positive strains,19(70. 37%) strains were found positive for presence of verotoxins(VTs) gene and verocell cytotoxicity assay. Whereas 34 alpha-haemolysin strains were found negative for VTs.Eight strains of E.coli were found VTs negative but Ehx positive.Conclusion:The close association between enterohaemolysin production and presence of verotoxin genes makes it useful epidemiological marker for rapid screening of Verotoxic E.coli but this phenotypic marker for screening of verotoxigenic Escherichia coli(VTEC) alone may raise a question in animal. | Diganta Pan Ashok Kumar Bhatia K.N.Bhilegaonkar | 2009 | Asian Pacific Journal of Tropical Medicine2009，2，4： | 0 |
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