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| 1 | An account of the strategies to enhance the water splitting efficiency of noble-metal-free electrocatalysts显示文摘The electrolysis of water for hydrogen generation has shown immense promise as an energy conversion technology for the green energy economy.Two concurrently occurring electrochemical reactions in water electrolysis(hydrogen and oxygen evolution reactions)are sluggish in nature and therefore the employment of electrocatalysts is highly essential.Noble-metal-based electrocatalysts(Pt,Ru O_(2),Ir O_(2),etc.)have shown superior activity towards these reactions.However,their lower natural abundance and inferior stability make the cost to performance ratio of water electrolysis too high.Thus,huge amount of research efforts are being carried out to develop electrocatalysts consisting of earth abundant elements(transition metals,carbon etc.)as the replacement of these noble-metal-based materials.Transition metal compounds,carbonaceous and hybrid materials have shown promise as efficient electrocatalysts but there is still huge gap between the activities of these materials and the noble-metal-based electrocatalysts.Several strategies like morphology modulation,elemental doping,defect engineering etc.are being deployed to enhance the activity of these noble-metal-free electrocatalysts.This review summarizes these strategies and thoroughly discusses the reason behind the changes in activity of the electrocatalysts owing to these modifications.Finally,the remaining research gaps and future prospects in this field are also discussed in detail. | Subhasis Shit Saikat Bolar Naresh Chandra Murmu Tapas Kuila | 2021 | Journal of Energy Chemistry2021，30，8： | 3 |
| 2 | Effect of calcium lactate on compressive strength and self-healing of cracks in microbial concrete显示文摘This paper presents the effect on compressive strength and self-healing capability of bacterial concrete with the addition of calcium lactate.Compared to normal concrete,bacterial concrete possesses higher durability and engineering concrete properties.The production of calcium carbonate in bacterial concrete is limited to the calcium content in cement.Hence calcium lactate is externally added to be an additional source of calcium in the concrete.The influence of this addition on compressive strength,self-healing capability of cracks is highlighted in this study.The bacterium used in the study is bacillus subtilis and was added to both spore powder form and culture form to the concrete.Bacillus subtilis spore powder of 2 million cfu/g concentration with 0.5%cement was mixed to concrete.Calcium lactates with concentrations of 0.5%,1.0%,1.5%,2.0%,and 2.5%of cement,was added to the concrete mixes to test the effect on properties of concrete.In other samples,cultured bacillus subtilis with a concentration of 1×10^cells/mL was mixed with concrete,to study the effect of bacteria in the cultured form on the properties of concrete.Cubes of 100 mm×100 mm×100 mm were used for the study.These cubes were tested after a curing period of 7,14,and 28 d.A maximum of 12%increase in compressive strength was observed with the addition of 0.5%of calcium lactate in concrete.Scanning electron microscope and energy dispersive X-ray spectroscopy examination showed the formation of ettringite in pores;calcium silicate hydrates and calcite which made the concrete denser.A statistical technique was applied to analyze the experimental data of the compressive strengths of cementations materials.Response surface methodology was adopted for optimizing the experimental data.The regression equation was yielded by the application of response surface methodology relating response variables to input parameters.This method aids in predicting the experimental results accurately with an acceptable range of error.Findings of this investigation indicated the influence of added calcium lactate in bio-concrete which is quite impressive for improving the compressive strength and self-healing properties of concrete. | Kunamineni VIJAY Meena MURMU | 2019 | Frontiers of Structural and Civil Engineering2019，13，3： | 2 |
| 3 | Functional antagonism between RNA binding proteins HuR and CUGBP2 determines the fate of COX-2 mRNA translation 显示文摘 | Sureban SM Murmu N Rodriguez P | 2007 | Gastroenterology2007，132，： | 1 |
| 4 | Small-scale Effect on the Free In-plane Vibration of Nanoplates by Nonlocal Continuum Model显示文摘 | Murmu T Pradhan S C | 2009 | Physica E2009，41，6： | 1 |
| 5 | Weaning age, social iso- lation, and gender, interact to determine adult explorative and so- cial behavior, and dendritic and spine morphology in prefrontal cortex of rats 显示文摘 | Ferdman N Murmu RP Bock J eta/ | 2007 | Behav Brain Res2007，180，2： | 1 |
| 6 | Prevalence of human papillomavirus infection among prostitutes in Calcutta显示文摘 | Chatterjee R Mukhopadhyay D Murmu N | 2001 | J Environ Pathol Toxicol Oncol2001，20，2： | 1 |
| 7 | Weaning age, social isolation, and gender,interact to determine adult explorative and social behav- ior, and dendritic and spine morphology in prefrontal cortex of rats 显示文摘 | Ferdman N Murmu RP Bock J | 2007 | Behav Brain Res2007，180，2： | 1 |
| 8 | Weaning age, so-cial isolation, and gender, interact to determine adult explo-rative and social behavior, ahd dendritic and spine morphologyin prefrontal cortex of rats显示文摘 | FERDMAN N MURMU R P BOCK J | 2007 | Behavioural Brain Research2007，180，2： | 1 |
| 9 | Application of nonlocal elasticity and DQM in the flapwise bending vibration of a rotating nanocantilever显示文摘 | Pradhan S C Murmu T | 2010 | Physica E2010，42，： | 1 |
| 10 | Thermal effects on the stability of embedded carbon nanotubes 显示文摘 | Murmu T Pradhan S C | 2010 | Computational Materials Science2010，47，3： | 1 |
| 11 | Reg IV activates the epidermal growth factor receptor/Akt/AP-1 signaling pathway in colon adenocarcinomas显示文摘 | Bishnupuri KS Luo Q Murmu N | 2006 | Gastroenterology2006，130，1： | 1 |
| 12 | Prenatal stre- ss and neonatal handling induce sex-specific cha- nges in dendritic complexity and dendritic spine density in hippocampal subregions of prepubertal rats显示文摘 | Bock J Murmu MS Biala Y | 2011 | Neuroscience2011，193，13： | 1 |
| 13 | Reg IV activates the epidermal growth factor receptor/Akt/AP-1 signaling pathway in colon adenocarcinomas显示文摘 | Bishnupuri KS Luo Q: Murmu N | 2006 | Gastroenterology2006，130，1： | 1 |
| 14 | Reg Ⅳ activates the epidermal growth factor receptor/Akt/AP-1 signaling pathway in colon adenocarcinomas显示文摘 | Bishnupuri K S Luo Q Murmu N | 2006 | Gastroenterology2006，130，1： | 1 |
| 15 | Iron oxide waste to clean arsenic-contaminated water显示文摘 | RANDHAWA N S MURMU N TUDU S | 2014 | Environmental Chemistry Letters2014，12，4： | 1 |
| 16 | Evaluation of tooth size and dental arch ratio in Bengali population sample显示文摘 | Murmu DC Acharya SS Das AR | 2014 | Orthod J Nepal2014，3，2： | 1 |
| 17 | Dynamic characteristics of damped viscoelastic nonlocal Euler-Bemoulli beams 显示文摘 | Lei Y Murmu T Adhikari A | 2013 | European Journal of Mechanics A/Solids2013，42，： | 1 |
| 18 | Vibration response of double-walled carbon nanotubes subjected to an externally applied longitudinal magnetic field:A nonlocal elasticity approach显示文摘 | Murmu T McCarthy M A Adhikari S | 2012 | Journal of Sound and Vibration2012，331，23： | 1 |
| 19 | Nonlocal vibration of carbon nanotubes with attached buckyballs at tip显示文摘 | Murmu T Adhikari S | | 0，，： | 1 |
| 20 | Kinetics of inclusion body formation and its correlation with the characteristics of protein aggregates in escherichia coli显示文摘 | Upadhyay A K Murmu A Singh A Panda A K | 2012 | PLoS One2012，7，33： | 1 |
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