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Revisiting the formation mechanism for coronal rain from previous studies

Research in Astronomy and Astrophysics 2021年第10期21卷 135-150页

作者：李乐平 Hardi Peter lakshmi pradeep chitta 宋红强 CAS Key Laboratory of Solar Activity National Astronomical ObservatoriesChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Max Planck Institute for Solar System Research D-37077 GottingenGermany Shandong Provincial Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment and Institute of Space SciencesShandong UniversityWeihai 264209China

Solar coronal rain is classified generally into two categories:flare-driven and quiescent coronal rain.The latter is observed to form along both closed and open magnetic field structures.Recently,we proposed that some of the quiescent coronal rain events,detected in the transition region and chromospheric diagnostics,along loop-like paths could be explained by the formation mechanism for quiescent coronal rain facilitated by interchange magnetic reconnection between open and closed field lines.In this study,we revisited 38 coronal rain reports from the literature.From these earlier works,we picked 15 quiescent coronal rain events out of the solar limb,mostly suggested to occur in active region closed loops due to thermal nonequilibrium,to scrutinize their formation mechanism.Employing the extreme ultraviolet images and line-of-sight magnetograms,the evolution of the quiescent coronal rain events and their magnetic fields and context coronal structures is examined.We find that six,comprising 40%,of the 15 quiescent coronal rain events could be totally or partially interpreted by the formation mechanism for quiescent coronal rain along open structures facilitated by interchange reconnection.The results suggest that the quiescent coronal rain facilitated by interchange reconnection between open and closed field lines deserves more attention.

关键词： plasmas instabilities Sun:corona Sun:UV radiation magnetic reconnection Sun:magnetic fields

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Molecular docking simulation analysis of the interaction of dietary flavonols with heat shock protein 90

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The Journal of Biomedical Research 2016年第1期30卷 67-74页

作者： Salam pradeep Singh chitta Ranjan Deb Sharif Udin Ahmed Yenisetti Saratchandra Bolin Kumar Konwar Bioinformatics Infrastructure Facility Centre Nagaland UniversityLumami 798627NagalandIndia Department of Botany Department of Zoology Nagaland UniversityLumami 798627NagalandIndia Department of Molecular Biology and Biotechnology Tezpur UniversityTezpur-784028AssamIndia

Hsp90 is a major protein involved in the stabilization of various proteins in cancer cells.The present investigation focused on the molecular docking simulation studies of flavanols as inhibitors of Hsp90 at the high affinity adenosine triphosphate（ATP）binding site and analyzed absorption,distribution,metabolism,excretion and toxicity（ADME-toxicity）.The molecular docking analysis revealed that the flavanols showed competitive inhibition with ATP molecule at the active site and enhanced pharmacological parameters.

关键词： flavonols cancer molecular docking Hsp90 ATP binding site

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Pattern of injuries due to wild animal attack among patients presenting to the emergency department:A retrospective observational study

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Chinese Journal of Traumatology 2021年第6期24卷 383-388页

作者： pradeep Kumar Singh S Manwar Ali Rakesh Vadakkethil Radhakrishnan chitta Ranjan Mohanty Manas Ranjan Sahu Bishnu Prasad Patro Ijas MS Susant Kumar Panda Department of General Surgery All India Institute of Medical SciencesBhubaneswar751019India College of Nursing All India Institute of Medical SciencesBhubaneswar751019India Department of Trauma and Emergency All India Institute of Medical SciencesBhubaneswar751019India Department of Forensic Medicine and Toxicology All India Institute of Medical SciencesBhubaneswar751019India Department of Orthopedics All India Institute of Medical SciencesBhubaneswar751019India Department of General Surgery District Head Quarter HospitalAngulOdish1759122India

Purpose:The human-wildlife conflicts(HWCs)causing nuisances and injuries are becoming a growing public health concern over recent years worldwide.We aimed to study the demographic profile,mode of injury,pattern of injury,and outcome of wild animal attack victims presented to the emergency department.Methods:This retrospective cross-sectional study was conducted in the emergency department of a tertiary-care hospital in Eastern India.Data were retrieved from the medical records from May 2017 to May 2021.Patients of all ages and genders attacked by wild animals and secondary injuries were included in this study.Patients with incomplete data,injuries due to the attack of stray and domestic animals and trauma due to other causes were excluded.Demographic profile,mode of injury,the pattern of injury,injury severity score(ISS),radiological pattern,and outcome were recorded.Statistical analysis with R(version 3.6.1.)was conducted.Results:A total of 411 wild animal attack victims were studied,of which 374(90.9%)were snakebite injuries and 37(9.1%)were wild mammalian(WM)attack injuries.The mean age of WM attack victims was 46 years,and the male-to-female ratio was 4:1.Elephant attack injury(40.5%)was the most common WM attack injury reported.Most WM attacks(43.2%)occurred between 4:00 a.***.to 8:00 a.m.The median ISS was 18.5(13-28),where 54.2%of patients had polytrauma(ISS>15).Elephant attack was associated with a higher ISS,but the difference was not significant compared to other animal types(p=0.2).Blunt trauma was common pattern of injury in the elephant attack injury cases.Lacerations and soft tissue injuries were common patterns in other animal attacks.Among snakebites,neurotoxic was the most common type(55.4%),and lower extremity was the most common site involved.Conclusion:The young male population is the major victim of HWCs;and elephant is the most common animal involved.There is a need to design scientifically sound preventive strategies for HWCs and to strengthen the preparedness in health establishments to mana

关键词： Wild animal Injury severity score Elephant Wild boar Polytrauma

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