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Moharana M, Maharana PC, Pattanayak SK, Khan F. Effect of temperature on hepatitis a virus and exploration of binding mode mechanism of phytochemicals from tinospora cordifolia: an insight into molecular docking, MM/GBSA, and molecular dynamics simulation study. J Biomol Struct Dyn 2024; 42:598-614. [PMID: 36995189 DOI: 10.1080/07391102.2023.2194429] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Accepted: 03/17/2023] [Indexed: 03/31/2023]
Abstract
The hepatitis A virus (HAV), which causes hepatitis A, is a contagious liver ailment. The infections are not specifically treated by any medications. Therefore, the development of less harmful, more effective and cost-effective antiviral agents are necessary. The present work highlighted the in-silico activity of phytocompounds from tinospora cordifolia against HAV. The binding interaction of HAV with the phytocompounds was analyzed through molecular docking. Molecular docking revealed that chasmanthin, malabarolide, menispermacide, tinosporaside, and tinosporinone compounds bind with HAV more efficiently than other compounds. Further evaluation using 100 ns molecular dynamics simulation, MM/GBSA and free energy landscape indicated that all phytocompounds studied here were found to be most promising drug candidate against hepatitis A virus. Our computational study will encourage promoting in further investigation for in vitro and in vivo clinical trials.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Maheswata Moharana
- Department of Chemistry, National Institute of Technology, Raipur, India
| | | | | | - Fahmida Khan
- Department of Chemistry, National Institute of Technology, Raipur, India
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Moharana M, Pattanayak SK, Khan F. Bioactive compounds from Pandanous fascicularis as potential therapeutic candidate to tackle hepatitis a inhibition: Docking and molecular dynamics simulation study. J Biomol Struct Dyn 2023; 41:10478-10494. [PMID: 36541128 DOI: 10.1080/07391102.2022.2158940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Accepted: 12/10/2022] [Indexed: 12/24/2022]
Abstract
Due to extensive pharmacological research, medicinal plants the underpinning of indigenous herbal serve as a possible source of key compounds for the development of new drugs. Hepatitis A, one of the most widespread infectious diseases associated with global public health issues. The transmission of hepatitis A virus (HAV) occurs, through personal contact, as well as contaminated food/water. The HAV 3C cysteine protease is a non-structural protein, plays pivotal role in proliferation and viral replication. Significant phytochemicals of Pandanous fascicularis include phytosterol, kobusin, epipinoresinol, and ceroptene, which have a wide variety of biological functions. Through ADMET investigation, we have screened fifteen phytochemicals for this study. Additionally, using molecular docking, these phytochemicals were docked with the HAV 3C protease which signifies the phytochemicals phytosterol, kobusin, epipinoresinol, and ceroptene have a significant capability to bind with hepatitis A virus protein.The docking study was further accompanied by analyzes RMSD, RMSF, Rg, SASA, H-bond number, and principal component analysis through 100 ns MD simulations. The molecular dynamics study reveals that, all four phytochemicals possess considerable binding efficacy with hepatitis A virus protein. Based on our computational study and MMGBSA calculations, phytosterol, kobusin and epipinoresinol phytochemicals may be a potential drug candidate for inhibition of hepatitis A. The potential therapeutic characteristics of the phytochemicals against hepatitis A inhibition offer additional support for the in vitro and in vivo studies in future.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Maheswata Moharana
- Department of Chemistry, National Institute of Technology, Raipur, India
| | | | - Fahmida Khan
- Department of Chemistry, National Institute of Technology, Raipur, India
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Moharana M, Pattanayak SK, Khan F. Molecular recognition of bio-active triterpenoids from Swertia chirayita towards hepatitis Delta antigen: a mechanism through docking, dynamics simulation, Gibbs free energy landscape. J Biomol Struct Dyn 2023; 41:14651-14664. [PMID: 36856037 DOI: 10.1080/07391102.2023.2184173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 02/18/2023] [Indexed: 03/02/2023]
Abstract
Medicinal plants the underpinning of indigenous herbal serve, are the possible source of key compounds for the development of new drugs. Hepatitis D, one of the most widespread infectious diseases associated with global public health issues. Therefore, we aim to screen natural compounds to find out potent inhibitor towards hepatitis delta antigen. Through ADMET investigation, we have screened twenty phytochemicals for this study. Additionally, using molecular docking, these phytochemicals were docked with the HDV protease which signifies the phytochemicals beta-amyrin, chiratenol, episwertenol and swertanone have a significant capability to bind with hepatitis D virus protein. The docking study was further accompanied by analyzes RMSD, RMSF, Rg, SASA, Hbond number, and principal component analysis through 100 ns MD simulations. Based on our principal component analysis, beta-amyrin, chiratenol, episwertenol and swertanone phytochemicals can be a potential drug candidates for inhibition of hepatitis D. The above observation is also supported by our Gibbs free energy landscape study. The potential therapeutic characteristics of the phytochemicals against hepatitis D inhibition offer additional support for the in vitro and in vivo studies in future.
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Affiliation(s)
- Maheswata Moharana
- Department of Chemistry, National Institute of Technology, Raipur, India
| | | | - Fahmida Khan
- Department of Chemistry, National Institute of Technology, Raipur, India
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Bhatt K, Agrawal S, Pattanayak SK, Jain VK, Khan F. Biofabrication of zinc oxide nanoparticles by using Lawsonia inermis L. seed extract. INORG NANO-MET CHEM 2023. [DOI: 10.1080/24701556.2023.2166071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Khushboo Bhatt
- Department of Chemistry, National Institute of Technology, Raipur, India
| | - Sonalika Agrawal
- Department of Chemistry, National Institute of Technology, Raipur, India
| | | | - Vikas Kumar Jain
- Department of Chemistry, Govt. Engineering College Sejbahar, Raipur, India
| | - Fahmida Khan
- Department of Chemistry, National Institute of Technology, Raipur, India
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Amara AAAF, Amin P, Ammashi S, Arfin S, Cruz JN, El-Baky NA, Enibukun JS, Fatoki TH, Garg N, Gurav N, Gurav S, Jain D, Jaiswal PK, Jena GK, Jha AN, Kesharwani R, Khan F, Khataniar A, Kumar D, Kumar P, Kumar V, Mali SN, Manjunatha VC, Moharana M, Nadaf S, Nagella P, Ogunyemi IO, Patel DK, Pattanayak SK, Prakash SE, Rajak N, Rangaraj S, Rathinavel T, Redwan EM, Saha D, Sasikanth V, Singh AK, Tambe S, Tiwari A, Veerappa Lakshmaiah V, Verma P. Contributors. Nutraceuticals 2023:xiii-xvi. [DOI: 10.1016/b978-0-443-19193-0.09992-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Sahu SN, Satpathy SS, Pattnaik S, Mohanty C, Pattanayak SK. Boerhavia diffusa plant extract can be a new potent therapeutics against mutant nephrin protein responsible for type1 nephrotic syndrome: Insight into hydrate-ligand docking interactions and molecular dynamics simulation study. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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Moharana M, Pattanayak SK, Khan F. Computational efforts to identify natural occurring compounds from phyllanthus niruri that target hepatitis B viral infections: DFT, docking and dynamics simulation study. J INDIAN CHEM SOC 2022. [DOI: 10.1016/j.jics.2022.100662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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Moharana M, Pattanayak SK, Khan F. Identification of phytochemicals from Eclipta alba and assess their potentiality against Hepatitis C virus envelope glycoprotein: virtual screening, docking, and molecular dynamics simulation study. J Biomol Struct Dyn 2022:1-17. [PMID: 35694813 DOI: 10.1080/07391102.2022.2085804] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Hepatitis C virus has a major role in spreading chronic liver disease and hepatocellular carcinoma. Factors such as high costs, pharmacological side effects, and the development of drug resistance strains require the development of new and potentially effective antiviral to treat the various stages of Hepatitis C. Bioactive chemicals have been extracted from medicinal plants and are utilized by humans for the goal of maintaining a healthy lifestyle. The goal of this work is to recognize phytochemicals from Eclipta alba and assess their potentiality activity against the hepatitis C virus envelope glycoprotein using in silico approaches. Phytochemicals from Eclipta alba were virtually screened by Auto dock raccoon and 12 compounds were selected for molecular docking to probe the active binding site. The top two compounds based on the binding score like ecliptalbine and oleanolic acid with HCV E2 glycoprotein exhibit binding energy -8.88 and -8.02 kcal/mol, respectively. The chemicals' usefulness was reinforced by positive pharmacokinetic data. The phytocompounds were identified as potent HCV inhibitors based on the drug likeness and ADMET properties. Both ecliptalbine and oleanolic acid underwent molecular dynamics simulations to determine features such as RMSD, RMSF, SASA, hydrogen-bond number, and MM-PBSA-based binding free energy. From the molecular docking and molecular dynamics simulation study revealed that oleanolic acid obtained from Eclipta alba can be used as inhibitors against Hepatitis C. The identified inhibitor from our study will be study in vitro and in vivo studies to check their efficacy against Hepatitis C.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Maheswata Moharana
- Department of Chemistry, National Institute of Technology, Raipur, India
| | | | - Fahmida Khan
- Department of Chemistry, National Institute of Technology, Raipur, India
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Sahu SN, Satpathy SS, Mohanty C, Pattanayak SK. Computational study to evaluate the potency of phytochemicals in Boerhavia diffusa and the impact of point mutation on cyclin-dependent kinase 2-associated protein 1. J Biomol Struct Dyn 2021; 40:8587-8601. [PMID: 33876720 DOI: 10.1080/07391102.2021.1914169] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
A protein's function is closely related to its structural properties. Mutations can affect the functionality of a protein. Different cancer tissues have found disordered expression of the cyclin-dependent kinase 2-associated Protein 1 (CDK2AP1) gene. A protein molecule's conformational flexibility affects its interaction with phytochemicals and their biological partners at various levels. Boerhavia diffusa has been investigated most extensively for its medicinal activities like anticancer properties. It contains many bioactive compounds like Boeravinone A, Boeravinone B, Boeravinone C, Boeravinone D, Boeravinone E, Boeravinone F, Boeravinone G, Boeravinone H, Boeravinone I and Boeravinone J. We have studied to analyse the binding efficacy properties as well as essential dynamic behaviour, free energy landscape of both the native and mutant protein CDK2AP1 with bioactive compounds from Boerhavia diffusa plant extracts through computational approaches by homology modelling, docking and molecular dynamics simulation. From the molecular docking study, we found that. Boeravinone J have best binding affinity (-7.9 kcal/mol) towards the native protein of CDKAP1 compared to others phytochemicals. However, we found the binding energy for H23R and C105R (mutation point) -7.8 and -7.6 kcal/mol, respectively. A single minima energy point (from 100 ns molecular dynamics simulation study) was found in the H23R mutant with Boeravinone J complex suggested that minimum structural changes with less conformational mobility compared C105A mutant model.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Satya Narayan Sahu
- School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, India
| | - Sneha Shriparna Satpathy
- School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, India
| | - Chandana Mohanty
- School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, India
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Sahu SN, Mishra B, Sahu R, Pattanayak SK. Molecular dynamics simulation perception study of the binding affinity performance for main protease of SARS-CoV-2. J Biomol Struct Dyn 2020; 40:2444-2459. [PMID: 33228481 PMCID: PMC7754937 DOI: 10.1080/07391102.2020.1850362] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Like common cold and flu, SARC-CoV-2 virus spreads by droplets of sneezes or coughs which virus affects people of various age groups. Today, this virus is almost distributed all over the world. Since binding process plays a crucial role between host and receptor, therefore, we studied the molecules intended toward inhibition process through molecular docking and molecular dynamics simulation process. From the molecular docking study, it is noteworthy that remdesivir shows better binding affinity toward the main protease of SARS-CoV2 compared to other studied drugs. Within studied phytochemicals, carnosic acid shows better binding poses toward main protease of SARS-CoV2 among studied phytochemicals. The amino acid residues GLN110 and PHE294 were almost found in all the studied interactions of drugs and phytochemicals with main protease of SARS-CoV-2. Furthermore, the results show a larger contribution of the Van der Waals energies as compared to others like electrostatic energies suggesting that ligands at the binding pocket are predominantly stabilized by hydrophobic interactions. The conformational change during ligand binding was predicted from Gibbs free energy landscape analysis through molecular dynamics simulation. We observed that, there were two main free energy basins for both docked carnosic acid complex and for docked remdesivir complex, only one main free energy basin was found in the global free energy minimum region. Communicated by Ramaswamy H. Sarma
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Affiliation(s)
- Satya Narayan Sahu
- School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneswar, India
| | - Biswajit Mishra
- School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneswar, India
| | - Rojalin Sahu
- School of Applied Sciences, Kalinga Institute of Industrial Technology (KIIT), Deemed to be University, Bhubaneswar, India
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Panda J, Sahu SN, Pati R, Panda PK, Tripathy BC, Pattanayak SK, Sahu R. Role of Pore Volume and Surface Area of Cu‐BTC and MIL‐100 (Fe) Metal‐Organic Frameworks on the Loading of Rifampicin: Collective Experimental and Docking Study. ChemistrySelect 2020. [DOI: 10.1002/slct.202000728] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Jagannath Panda
- School of Applied Sciences Kalinga Institute of Industrial Technology (KIIT) Deemed to be University Bhubaneswar 751024 India
- Institute of Minerals and Material Technology (CSIR-IMMT) Bhubaneswar 751013 India
| | - Satya Narayan Sahu
- School of Applied Sciences Kalinga Institute of Industrial Technology (KIIT) Deemed to be University Bhubaneswar 751024 India
| | | | - Prasanna Kumar Panda
- Institute of Minerals and Material Technology (CSIR-IMMT) Bhubaneswar 751013 India
| | | | | | - Rojalin Sahu
- School of Applied Sciences Kalinga Institute of Industrial Technology (KIIT) Deemed to be University Bhubaneswar 751024 India
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Sahu SN, Moharana M, Sahu R, Pattanayak SK. Impact of mutation on podocin protein involved in type 2 nephrotic syndrome: Insights into docking and molecular dynamics simulation study. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.02.120] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Panda J, Sahoo JK, Panda PK, Sahu SN, Samal M, Pattanayak SK, Sahu R. Adsorptive behavior of zeolitic imidazolate framework-8 towards anionic dye in aqueous media: Combined experimental and molecular docking study. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.01.033] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Pattanayak SK, Kramer RA, Vincent JR. Ecosystem change and human health: implementation economics and policy. Philos Trans R Soc Lond B Biol Sci 2018; 372:rstb.2016.0130. [PMID: 28438919 PMCID: PMC5413878 DOI: 10.1098/rstb.2016.0130] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2016] [Indexed: 01/04/2023] Open
Abstract
Several recent initiatives such as Planetary Health, EcoHealth and One Health claim that human health depends on flourishing natural ecosystems. However, little has been said about the operational and implementation challenges of health-oriented conservation actions on the ground. We contend that ecological–epidemiological research must be complemented by a form of implementation science that examines: (i) the links between specific conservation actions and the resulting ecological changes, and (ii) how this ecological change impacts human health and well-being, when human behaviours are considered. Drawing on the policy evaluation tradition in public economics, first, we present three examples of recent social science research on conservation interventions that affect human health. These examples are from low- and middle-income countries in the tropics and subtropics. Second, drawing on these examples, we present three propositions related to impact evaluation and non-market valuation that can help guide future multidisciplinary research on conservation and human health. Research guided by these propositions will allow stakeholders to determine how ecosystem-mediated strategies for health promotion compare with more conventional biomedical prevention and treatment strategies for safeguarding health. This article is part of the themed issue ‘Conservation, biodiversity and infectious disease: scientific evidence and policy implications’.
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Affiliation(s)
- S K Pattanayak
- Sanford School of Public Policy, Duke University, Durham, NC, USA .,Nicholas School of the Environment, Duke University, Durham, NC, USA
| | - R A Kramer
- Nicholas School of the Environment, Duke University, Durham, NC, USA.,Duke Global Health Institute, Duke University, Durham, NC, USA
| | - J R Vincent
- Nicholas School of the Environment, Duke University, Durham, NC, USA
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Bissoyi A, Kumar Singh A, Kumar Pattanayak S, Bit A, Kumar Sinha S, Patel A, Jain V, Kumar Patra P. Understanding the molecular mechanism of improved proliferation and osteogenic potential of human mesenchymal stem cells grown on a polyelectrolyte complex derived from non-mulberry silk fibroin and chitosan. Biomed Mater 2017; 13:015011. [DOI: 10.1088/1748-605x/aa890c] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Chand A, Chettiyankandy P, Pattanayak SK, Chowdhuri S. Effects of trimethylamine-N-oxide (TMAO) on aqueous N-methylacetamide solution: A comparison of different force fields of TMAO. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2016.05.044] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Arriagada RA, Sills EO, Ferraro PJ, Pattanayak SK. Correction: Do Payments Pay Off? Evidence from Participation in Costa Rica's PES Program. PLoS One 2015; 10:e0136809. [PMID: 26301783 PMCID: PMC4547807 DOI: 10.1371/journal.pone.0136809] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Pattanayak SK, Chettiyankandy P, Chowdhuri S. Effects of co-solutes on the hydrogen bonding structure and dynamics in aqueous N-methylacetamide solution: a molecular dynamics simulations study. Mol Phys 2014. [DOI: 10.1080/00268976.2014.916822] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Evans WD, Pattanayak SK, Young S, Buszin J, Rai S, Bihm JW. Social marketing of water and sanitation products: a systematic review of peer-reviewed literature. Soc Sci Med 2014; 110:18-25. [PMID: 24704890 DOI: 10.1016/j.socscimed.2014.03.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2013] [Revised: 01/23/2014] [Accepted: 03/12/2014] [Indexed: 10/25/2022]
Abstract
Like commercial marketing, social marketing uses the 4 "Ps" and seeks exchange of value between the marketer and consumer. Behaviors such as handwashing, and products such as those for oral rehydration treatment (ORT), can be marketed like commercial products in developing countries. Although social marketing in these areas is growing, there has been no systematic review of the current state of practice, research and evaluation. We searched the literature for published peer-reviewed studies available through major online publication databases. We identified manuscripts in the health, social science, and business literature on social marketing that used at least one of the 4 Ps of marketing and had a behavioral objective targeting the behaviors or products related to improving water and sanitation. We developed formalized decision rules and applied them in identifying articles for review. We initially identified 117 articles and reviewed a final set of 32 that met our criteria. Social marketing is a widespread strategy. Marketing efforts have created high levels of awareness of health threats and solutions, including behavior change and socially marketed products. There is widespread use of the 4 Ps of marketing, with price interventions being the least common. Evaluations show consistent improvements in behavioral mediators but mixed results in behavior change. Interventions have successfully used social marketing following widely recommended strategies. Future evaluations need to focus on mediators that explain successful behavior change in order to identify best practices and improve future programs. More rigorous evaluations including quasi-experimental designs and randomized trials are needed. More consistent reporting of evaluation results that permits meta-analysis of effects is needed.
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Affiliation(s)
- W D Evans
- The George Washington University, 2175 K Street, NW, Suite 700, Washington, DC 20037, USA.
| | - S K Pattanayak
- Duke University, Sanford Institute of Public Policy, 126 Rubenstein Hall, Durham, NC 27708, USA.
| | - S Young
- The George Washington University, 2175 K Street, NW, Suite 700, Washington, DC 20037, USA.
| | - J Buszin
- Population Services International, 1120 19th Street, NW, Washington, DC 20036, USA.
| | - S Rai
- Duke University, Sanford Institute of Public Policy, 126 Rubenstein Hall, Durham, NC 27708, USA.
| | - Jasmine Wallace Bihm
- The George Washington University, 2175 K Street, NW, Suite 700, Washington, DC 20037, USA.
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Pattanayak SK, Chowdhuri S. Effects of concentrated NaCl and KCl solutions on the behaviour of aqueous peptide bond environment: single-particle dynamics and H-bond structural relaxation. Mol Phys 2013. [DOI: 10.1080/00268976.2013.783240] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Pattanayak SK, Chowdhuri S. A molecular dynamics simulations study on the behavior of liquid N-methylacetamide in presence of NaCl: Structure, dynamics and H-bond properties. J Mol Liq 2012. [DOI: 10.1016/j.molliq.2012.05.012] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Chowdhuri S, Pattanayak SK. Pressure dependence on the single-particle dynamics and hydrogen-bond structural relaxation of water–DMSO mixtures under ambient and cold conditions. Mol Phys 2012. [DOI: 10.1080/00268976.2012.707692] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Pattanayak SK, Chowdhuri S. Effect of Water on Solvation Structure and Dynamics of Ions in the Peptide Bond Environment: Importance of Hydrogen Bonding and Dynamics of the Solvents. J Phys Chem B 2011; 115:13241-52. [DOI: 10.1021/jp206027e] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
| | - Snehasis Chowdhuri
- School of Basic Sciences, Indian Institute of Technology, Bhubaneswar 751013, India
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Pattanayak SK, Prashar N, Chowdhuri S. Effect of temperature and pressure on the structure, dynamics, and hydrogen bond properties of liquid N-methylacetamide: A molecular dynamics study. J Chem Phys 2011; 134:154506. [DOI: 10.1063/1.3578467] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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