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| 1 | Froth flotation of refuse coal fines and process optimization using 2D surface plots显示文摘Refuse coal fines of size <500 μm was collected from a metallurgical coal preparation plant located in the eastern coalfield region of India. The coal was beneficiated using froth flotation technique to recover clean coal with ash content of about 20% with the highest possible yield. Diesel oil as collector and pine oil as frother were used. Box-Behnken statistical design was followed for analyzing the performance at varying pulp density, collector and frother dosage. Results were discussed using 2D surface plots. Response function predictions determined by the regression analysis show coefficient of correlation(R^2) for yield and the ash content as 0.72 and 0.86, respectively. The highest yield of 45.79% is obtained at pulp density 10%, collector dose 2 kg/t and frother dose 1.5 kg/t. The lowest ash content of 18.9% is obtained at pulp density 10%, collector dose 1 kg/t and frother dose 1 kg/t. | Shravan Kumar Veomesh Rawat | 2016 | Journal of Central South University2016,23,10: | 2 |
| 2 | Association of endothelial nitric oxide synthase gene T-786C promoter polymorphism with gastric cancer显示文摘AIM: To investigate the role of endothelial nitric oxide synthase-786 T > C promoter polymorphism in the etiology of gastric cancer(GC). METHODS: A total of 150 GC patients and 150 control subjects were included in the study. The information on demographic features was elicited with an informed consent from all the patients and control subjects using a structured questionnaire. Helicobacter pylori(H. pylori) infectivity status was tested in antral biopsies from all the subjects by rapid urease test following the method of Vaira et al. Genomic DNA was isolated from whole blood samples following the salting out method of Lahiri et al. Genotype analysis of the rs2070744 polymorphism was carried out by allele-specific polymerase chain reaction method. The genotypes were determined based on the appearance of bands on an agarose gel stained with ethidium bromide under ultraviolet gel documentation with the help of 100 bp ladder. Odds ratios and corresponding 95%CIs were determined using java stat online software. RESULTS: There was a significant difference in the distribution of C allele(C vs T; P = 0.000, OR = 5.038) in patient group compared to the control subjects exhibiting a fivefold increased risk for GC. When the T/T and C/C genotypes were compared, there was an enhanced GC risk for individuals with C/C genotype(T/T vs C/C; P = 0.000). Among the demographic factors, smoking and alcoholism were the common risk factors in patients compared to the control subjects(P < 0.05). Patients with smoking and alcoholism developed cancer even in heterozygous T/C condition(smoking: P = 0.020 and alcoholism: P = 0.005). Individuals with H. pylori infection showed seven fold increased risk for cancer. All the patients with C/C genotype revealed a significant association between H. pylori infection and GC. Among the patients 2.4% of them revealed familial incidence of GC. No significant difference was noticed between cases and controls with regard to consanguinity(P = 0.473).CONCLUSION: The Present data suggest that eN OS-786 C/C genotype and C allele may be considered as potential risk factors in patients with GC. | Devulapalli Krishnaveni Bhayal Amar Chand Porika Shravan Kumar Malladi Uma Devi Macherla Ramanna Akka Jyothy Nallari Pratibha N Balakrishna Ananthapur Venkateshwari | 2015 | World Journal of Gastrointestinal Oncology2015,7,7: | 2 |
| 3 | The conserved ubiquitin-like protein Hub1 plays a critical role in splicing in human cells显示文摘与正规象 ubiquitin 一样蛋白质不同, Hub1 不形成共有原子价与底层结合,但是 proteinsnon-covalently 绑。在 Saccharomyces cerevisiae, Hub1 与 spliceosomes 联系并且调停,没有影响通常拼接的 pre-mRNA SRC1 的其他的拼接。人的 Hub1 高度类似于它的酵母相当或相同的事物,而是它的细胞的 functionremains 大部分未经勘探。这里,我们证明人的 Hub1 作为在酵母绑在 spliceosomal 蛋白质 Snu66;然而, unlikeits S。cerevisiae 相当或相同的事物,人的 Hub1 为生存能力是必要的。在 Hub1 导致的人的 vivo 弄空延长了各种各样的细胞的缺点,包括拼接的点缀畸形,部分原子 retentionof mRNAs,有丝分裂的大祸,并且因而由 apoptosis 的房间死亡。然而, Hub1 弄空的早后果仅仅是严重 splicingdefects 为特定拼接地点导致 exon 跳过和 intron 保留。因此,象 ubiquitin 一样 proteinHub1 不是为拼接,而是其他的拼接的 spliceosome performanceand facilitator 的一个调节的人通常需要的一个正规 spliceosomal 因素。 | Tim Ammon Shravan Kumar Mishra Kaja Kowalska Grzegorz M. Popowicz Tad A. Holak Stefan Jentsch | 2014 | Journal of Molecular Cell Biology2014,8,4: | 2 |
| 4 | Heat stress response in plants: a complex game with chaperones and more than twenty heat stress transcription factors显示文摘 | Sanjeev Kumar Baniwal Kapil Bharti Kwan Yu Chan Markus Fauth Arnab Ganguli Sachin Kotak Shravan Kumar Mishra Lutz Nover Markus Port Klaus-Dieter Scharf Joanna Tripp Christian Weber Dirk Zielinski Pascal Koskull-D?ring | 2004 | Journal of Biosciences2004,,4: | 1 |
| 5 | A single- nucleotide polymorphism in tumor necrosis factor-a (-308 G/A) as a biomarker in chronic pancreatitis 显示文摘 | Sri Manjari K Jyothy A Shravan Kumar P | 2014 | Gene2014,539,2: | 1 |
| 6 | Putting cells to the test 显示文摘 | Shravan Kumar Chunduri | 2010 | Photon International2010,,10: | 1 |
| 7 | Arabidopsis and the heat stress transcription factor world:how many heat stress transcription factors do we need显示文摘 | LUTZ NOVER KAPIL BHARTI PASCAL DO RING SHRAVAN KUMAR MISHRA ARNAB GANGULI KLAUS-DIETER SCHARF | 2001 | Cell Stress & Chaperones2001,6,3: | 1 |
| 8 | Performance analysis of jig for coal cleaning using 3D response surface methodology显示文摘Beneficiation of coal of -4.76 mm + 3 mm size fraction was investigated in a laboratory model Denver jig.Process variables were studied to analyze their effect on the performance of jig in terms of yield and ash content of clean coal. Three-factor three-level Box-Behnken design of experiments with response surface methodology(RSM) was employed to understand the performance behavior of jig. From the study, the bed height was found to be the most significant parameter affecting the yield and ash content of clean coal. It was possible to reduce the ash content from 24.32% in feed to an ash content of 16.55% in clean coal at 2 L/min water flow rate and 10 min jigging time. Influence of operating variables of the jig on responses was presented and discussed in 3D surface plots. The developed model was found to be significant within the range of parameters under investigation with correlation of co-efficient values as 0.99(yield) and 0.98(ash). | Kumar Shravan Venugopal R. | 2017 | International Journal of Mining Science and Technology2017,27,2: | 1 |
| 9 | New choices for selective shoppers 显示文摘 | Shravan Kumar Chunduri | 2010 | Photon International2010,,12: | 1 |
| 10 | Metaheuristics with Vector Quantization Enabled Codebook Compression Model for Secure Industrial Embedded Environment显示文摘At the present time,the Industrial Internet of Things(IIoT)has swiftly evolved and emerged,and picture data that is collected by terminal devices or IoT nodes are tied to the user's private data.The use of image sensors as an automa-tion tool for the IIoT is increasingly becoming more common.Due to the fact that this organisation transfers an enormous number of photographs at any one time,one of the most significant issues that it has is reducing the total quantity of data that is sent and,as a result,the available bandwidth,without compromising the image quality.Image compression in the sensor,on the other hand,expedites the transfer of data while simultaneously reducing bandwidth use.The traditional method of protecting sensitive data is rendered less effective in an environment dominated by IoT owing to the involvement of third parties.The image encryp-tion model provides a safe and adaptable method to protect the confidentiality of picture transformation and storage inside an IIoT system.This helps to ensure that image datasets are kept safe.The Linde–Buzo–Gray(LBG)methodology is an example of a vector quantization algorithm that is extensively used and a rela-tively new form of picture reduction known as vector quantization(VQ).As a result,the purpose of this research is to create an artificial humming bird optimi-zation approach that combines LBG-enabled codebook creation and encryption(AHBO-LBGCCE)for use in an IIoT setting.In the beginning,the AHBO-LBGCCE method used the LBG model in conjunction with the AHBO algorithm in order to construct the VQ.The Burrows-Wheeler Transform(BWT)model is used in order to accomplish codebook compression.In addition,the Blowfish algorithm is used in order to carry out the encryption procedure so that security may be attained.A comprehensive experimental investigation is carried out in order to verify the effectiveness of the proposed algorithm in comparison to other algorithms.The experimental values ensure that the suggested approach and the outcomes are examined in a variety of different perspectives in order to further enhance them. | Adepu Shravan Kumar S.Srinivasan | 2023 | Intelligent Automation & Soft Computing2023,,6: | 0 |
| 11 | Phytochemical investigation, antioxidant and wound healing activities of Citrullus colocynthis (bitter apple)显示文摘Objective: To undertake metabolite profiling of various plant parts of Citrullus colocynthis, and assess antioxidant and wound healing activities of fractions for therapeutical applications. Methods: Extracts from leaves, stem, root, fruit pulp and seeds were analyzed using gas chromatography-mass spectrometry and high performance liquid chromatography. Variation in antioxidant potential was assayed by 1,1-diphenyl-2-picrylhydrazyl(DPPH) free radical scavenging assay. The extract with highest antioxidant potential was subjected on in-vivo wound healing activity using excision wound model. Results: Metabolite profiling of Citrullus colocynthis identified 70 chemically diverse metabolites from different plant parts by using a combination of GC-MS and HPLC. Concentration of colocynthin, a principal active secondary metabolite, ranged from 3.15 mg/g dry weight to 242.00 mg/g dry weight, the lowest being in leaves and highest in fruit pulp. DPPH radical scavenging activity of free radical(IC50) ranged from 196.44 μg/mL in fruit pulp to 413.33 μg/mL in leaves tissues. Significant wound contraction and increase in hydroxyproline content of granulation tissue were observed with ointment formulated from methanolic extract of fruit pulp. Conclusions: The study indicates that the methanol extract of Citrullus colocynthis fruit pulp when applied topically may promote wound contraction in rat model attributable to the accumulation of colocynthin. The high quantity of colocynthin(242.00 mg/g dry weight) and substantial concentration of 2,4-di-tert butyl phenol(3.2%), squalene(4.2%) and δ-tocopherol(2.5%) make this plant to provide new opportunities for development of medicinal, nutraceutical and dietary supplements with optimized functionality. | Sateesh Chandra Gupta Tusha Tripathi Shravan Kumar Paswan Annie G.Agarwal Chandana V.Rao Om P.Sidhu | 2018 | Asian Pacific Journal of Tropical Biomedicine2018,8,8: | 0 |
| 12 | Transcatheter interventions for severe tricuspid regurgitation:a literature review显示文摘The prevalence of tricuspid regurgitation(TR)increases with age,affecting 65%-85%of adults.Primary TR is caused by a congenital or acquired abnormality of the tricuspid valve apparatus(leaflets,chordae,papillary muscles,or annulus).Secondary TR is due to insufficient coaptation from dilation of tricuspid valve annulus due to the right ventricle(RV)or right at-rium(RA)remodeling and increased RV pressures.Isolated TR is without increased RV pressures and is associated with atrial fibrillation.Mild TR is a benign disease.Moderate to severe tricuspid regurgitation has independently been associated with in-creased mortality.Most of these patients are treated medically due to poor outcomes with surgical repair of isolated TR.The in-hospital mortality rate is 8.8%,and the median length of stay in hospital is 11 days resulting in higher healthcare costs.Even if the patients undergo surgical repair or replacement,available data do not show improvement in survival.With a more detailed un-derstanding of the complex anatomy and physiology of the tricuspid valve and significant complications from untreated tricusp-id valve disease,the approach to the management of TR has shifted from a conservative approach to a process of prevention and intervention.In the past decade,transcatheter tricuspid valve interventions and tricuspid annuloplasty rings have been de-veloped,contributing to decreased mortality from surgical repair.Transcatheter tricuspid valve intervention techniques have im-proved survival,quality of life,and reduced heart failure rehospitalization.This review summarizes normal anatomy,types of TR,etiology and different mechanisms of TR,echocardiographic assessment of the severe TR,and highlights various percu-taneous transcatheter techniques for tricuspid valve repair. | Pramod Kumar Ponna Stephen Patin Naga Sai Shravan Turaga Dominika M Zoltowska Vishal Devarkonda Ramya Krishna Botta Yashwant Agrawal Gaurav Dhar | 2022 | Journal of Geriatric Cardiology2022,19,7: | 0 |