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RISS 인기검색어
- 검색키워드
- 저자 : Alok Ranjan (검색결과 6 건)
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Alok Ranjan Sahu,Ramya Ranjan Mishra,Jogeswar Panigrahi 한국작물학회 2016 Journal of crop science and biotechnology Vol.19 No.1
The genetic divergence among 34 genotypes belonging to 12 species of genus Cajanus were carried out using plant pest interaction and DNA marker analysis. Principal component analysis based on average percentage of pod damage caused by pod borer, plume moth, and blue butterfly in the field conditions, and growth of their larva and pupa on an artificial diet in vitro dispersed these genotypes into four coordinates evincing high genetic divergence as expected. DNA marker analysis using 11 pairs of SSR and nine ISSR primers showed higher polymorphism at the species level, and these primers exhibited variation with regard to average band informativeness, resolving power, and PIC value. No single primer was able to distinguish between all the 34 genotypes of Cajanus but nine species specific amplified fragments were generated by five ISSR primers. The pairwise Jaccard’s similarity coefficient and Nei’s genetic distance values revealed a higher level of inter-specific genetic variation in the genus Cajanus. The clustering of genotypes based on Jaccard’s similarity coefficient vis-a-vis Nei’s genetic distance agreed with the sectional classification of the genus Cajanus. Seven cultivars of C. cajan and the genotypes of their wild progenitor C. cajanifolius remained in one cluster, whereas accessions of C. platycarpus and C. scarabaeoides were out grouped. The rest of the genotypes belonging to nine species of Cajanus formed another cluster. The principal coordinate analysis also supported this clustering pattern. Moreover, these findings have good many implications for future breeding endeavors aimed at the introgression of pod borer resistance alleles.
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Paital, Alok Ranjan,Hong, Chang Seop,Kim, Hyoung Chan,Ray, Debashis WILEY-VCH Verlag 2007 European journal of inorganic chemistry Vol.2007 No.12
<P>A new family of tetracopper clusters [Cu<SUB>4</SUB>(μ<SUB>4</SUB>-X)L<SUB>2</SUB>]ClO<SUB>4</SUB>·nH<SUB>2</SUB>O (1a–c) [X = Cl, Br, I; n = 12, 2, 2; H<SUB>3</SUB>L = 2-(2′-hydroxyphenyl)-1,3-bis[4-(2-hydroxyphenyl)-3-azabut-3-enyl]-1,3-imidazolidine] have been synthesised and characterised. The X-ray crystal structure of 1a reveals that the template action of the spherical Cl<SUP>–</SUP> anion (μ<SUB>4</SUB>-Cl<SUP>–</SUP>), which features a unique rectangular planar bridging mode, is responsible for the self-assembly of two [Cu<SUB>2</SUB>L]<SUP>+</SUP> units in complex 1a. In this family of complexes the spherical halides serve as templates to assemble the dimeric unit into tetrameric complexes, which gives an insight into the role of the halide bridge in tetranuclear complex formation. The capacity of this bridge to mediate magnetic coupling has been examined by bulk magnetic measurements for complex 1a. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007)</P> <B>Graphic Abstract</B> <P> <img src='wiley_img/14341948-2007-2007-12-EJIC200600917-fig000.gif' alt='wiley_img/14341948-2007-2007-12-EJIC200600917-fig000'> </P>
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Pankaj Sharma,Alok Ranjan,Rahul Lath 대한척추외과학회 2014 Asian Spine Journal Vol.8 No.3
Filum terminale arteriovenous fistula (FTAVF) presenting as a cause of failed back surgery syndrome is a rare entity. We report a 48-year-old male patient who presented with clinical features of a conus medullaris/cauda equina lesion. He had upper and lower motor neuron signs in both the lower limbs with autonomic dysfunction. The patient was misdiagnosed and was operated twice earlier for lumbar canal stenosis and disc prolapse. After reviewing his clinical and radiological findings a diagnosis of FTAVF was made. He underwent surgery and there was a significant improvement in his neurological functions. We discuss the case and review the literature on FTAVF’s.
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Khushboo Sharma,Rakesh Kumar Ranjan,Sargam Lohar,Jayant Sharma,Rajeev Rajak,Aparna Gupta,Amit Prakash,Alok Kumar Pandey 한국대기환경학회 2022 Asian Journal of Atmospheric Environment (AJAE) Vol.16 No.1
This study analyzed the BC associated with PM1 and the contribution of biomass burning to the BC using a portable seven-channel Dual spot Aethalometer in and around Gangtok, the capital city of Sikkim, India, during April 2021. Additionally, CO2 and meteorological parameters (Temperature, Pressure, and Relative Humidity) was measured. The minimum concentration of BC was found in rural areas where the contribution of biomass burning to the BC is highest. The observed spatial variability of BC over Gangtok Municipal Corporation (GMC) area is minimal. Five days back-trajectory analysis was done using the Hybrid Single Particle Lagrangian Integrated Trajectory (HYSPLIT) model to understand the regional influences of air masses at Gangtok. The air mass of the studied region is under influence of trans-regional transport from Indo-Gangetic Plains affecting the BC concentration over the studied region. The black carbon presence in the ambient air near the glacier heights in the Eastern Himalayan region may significantly cause localized warming, thereby enhancing glacier melts. The results have significant bearing for the policy-makers to take corrective steps in addressing the issue of rising BC concentration in high altitude regions. A further detailed study is needed to examine the effect of BC on radiative forcing and its large-scale effect on the East Asian summer monsoon using regional climate models.
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Management of maxillofacial injuries in bear mauling cases: a review of 20 cases
Indu Bhusan Kar,Prashant Dilip Chopda,Niranjan Mishra,Alok Kumar Sethi,Bikas Ranjan Mahavoi 대한구강악안면외과학회 2016 대한구강악안면외과학회지 Vol.42 No.1
Objectives: As the craniofacial and neck regions are prime areas of injury in bear attacks, the careful management of soft and hard tissue injuries and selection of reconstructive options is of the utmost importance. This study will review the incidence and patterns of bear mauling in eastern India reported to our department and the various modalities used for their treatment over a period of 7 years. It also documents the risks of infection in bear mauling cases and the complications that have occurred. Materials and Methods: Twenty cases were treated over the study period. Cases were evaluated for soft and hard tissue injuries including tissue loss and corresponding management in the craniofacial region. Cases were also evaluated for other associated injuries, organ damage and related complications. Results: Various modalities of treatment were used for the management of victims, ranging from simple primary repairs to free tissue transfers. Simple primary repairs were done in 75% of cases, while the management of the injured victims required reconstruction by local, regional or distant flaps in 25%. Free tissue transfers were performed in 15% of cases, and no cases of wound infection were detected in the course of treatment. Conclusion: Knowledge of various reconstructive techniques is essential for managing maxillofacial injuries in bear mauling cases. Modern reconstructive procedures like free tissue transfer are reliable options for reconstruction with minimal co-morbidity and dramatic improvement in treatment outcomes.
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