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Paul I, Mondal P, Haldar D, Halder G. Beyond the cradle - Amidst microplastics and the ongoing peril during pregnancy and neonatal stages: A holistic review. J Hazard Mater 2024; 469:133963. [PMID: 38461669 DOI: 10.1016/j.jhazmat.2024.133963] [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] [Subscribe] [Scholar Register] [Received: 12/18/2023] [Revised: 02/28/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
Advancements in research concerning the occurrence of microplastics (MPs) in human blood, sputum, urine, and breast milk samples have piqued the interest of the scientific community, prompting further investigation. MPs present in the placenta, amniotic fluid, and meconium raise concerns about interference with embryonic development, leading to preeclampsia, stillbirth, preterm birth, and spontaneous abortion. The challenges posed by MPs extend beyond pregnancy, affecting the digestive, reproductive, circulatory, immune, and central nervous systems. This has spurred scientists to examine the origins of MPs in distinct environmental layers, including air, water, and soil. These risks continue after birth, as neonates are continuously exposed to MPs through everyday items such as breast milk, cow milk and infant milk powder, as well as plastic-based products like feeding bottles and breast milk storage bags. It is the need of the hour to strike a balance amidst lifestyle changes, alternative choices to traditional plastic products, raising awareness about plastic-related health risks, and fostering collaboration between the scientific community and policymakers. This review aims to provide fresh insights into potential sources of MP pollution, with a specific focus on pregnancy and neonates. It is the first compilation of its kind so far that includes critical studies on recently reported discoveries.
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Affiliation(s)
- Indrani Paul
- Department of Biotechnology, Brainware University, Kolkata 700125, West Bengal, India
| | - Pritam Mondal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India
| | - Dibyajyoti Haldar
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore 641114, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India.
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2
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Show S, Akhter R, Paul I, Das P, Bal M, Bhattacharya R, Bose D, Mondal A, Saha S, Halder G. Efficacy of exopolysaccharide in dye-laden wastewater treatment: A comprehensive review. Chemosphere 2024; 355:141753. [PMID: 38531498 DOI: 10.1016/j.chemosphere.2024.141753] [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] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/12/2024] [Accepted: 03/16/2024] [Indexed: 03/28/2024]
Abstract
The discharge of dye-laden wastewater into the water streams causes severe water and soil pollution, which poses a global threat to aquatic ecosystems and humans. A diverse array of microorganisms such as bacteria, fungi, and algae produce exopolysaccharides (EPS) of different compositions and exhibit great bioflocculation potency to sustainably eradicate dyes from water bodies. Nanomodified chemical composites of EPS enable their recyclability during dye-laden wastewater treatment. Nevertheless, the selection of potent EPS-producing strains and physiological parameters of microbial growth and the remediation process could influence the removal efficiency of EPS. This review will intrinsically discuss the fundamental importance of EPS from diverse microbial origins and their nanomodified chemical composites, the mechanisms in EPS-mediated bioremediation of dyes, and the parametric influences on EPS-mediated dye removal through sorption/bioflocculation. This review will pave the way for designing and adopting futuristic green and sustainable EPS-based bioremediation strategies for dye-laden wastewater in situ and ex situ.
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Affiliation(s)
- Sumona Show
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Ramisa Akhter
- Department of Biotechnology, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Indrani Paul
- Department of Biotechnology, Brainware University, Barasat, Kolkata, 700125, West Bengal, India
| | - Payal Das
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Manisha Bal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Riya Bhattacharya
- School of Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, Himachal Pradesh, India
| | - Debajyoti Bose
- School of Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, Himachal Pradesh, India
| | - Amita Mondal
- Department of Chemistry, Vedanta College, Kolkata, 700054, West Bengal, India
| | - Shouvik Saha
- Department of Biotechnology, Brainware University, Barasat, Kolkata, 700125, West Bengal, India.
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India.
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3
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Khan P, Saha R, Halder G. Towards sorptive eradication of pharmaceutical micro-pollutant ciprofloxacin from aquatic environment: A comprehensive review. Sci Total Environ 2024; 919:170723. [PMID: 38340867 DOI: 10.1016/j.scitotenv.2024.170723] [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] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/15/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024]
Abstract
Antibiotics are widely prioritized pharmaceuticals frequently adopted in medication for addressing numerous ailments of humans and animals. However, the non-judicious disposal of ciprofloxacin (CIP) with concentration levels exceeding threshold limit in an aqueous environment has been the matter of growing concern nowadays. CIP is found in various waterways with appreciable mobility due to its limited decay in solidified form. Hence, the effective eradication strategy of this non-steroidal anti-inflammatory antibiotic from aqueous media is pivotal for preventing the users and the biosphere from their hazardous impacts. Reportedly several customary techniques like reverse osmosis, precipitation, cross-filtration, nano-filtration, ion exchange, microbial remediation, and adsorption have been employed to eliminate CIP from water. Out of them, adsorption is ascertained to be a potential method because of lesser preliminary investment costs, ease of operation, greater efficiency, less energy usage, reduced chemical and biological slurry production, and ready availability of precursor materials. Towards remediation of ciprofloxacin-laden water, plenty of researchers have used different adsorbents. However, the present-day challenge is opting the promising sorbent and its application towards industrial scale-up which is vital to get reviewed. In this article, adsorbents of diverse origins are reviewed in terms of their performances in CIP removal. The review stresses the impact of various factors on sorptive assimilation of CIP, adsorption kinetics, isotherms, mechanism of ionic interaction, contrivances for CIP detection, cost estimation and reusability assessments of adsorbents also that may endorse the next-generation investigators to decide the efficacious, environmental appealing and cost-competitive adsorbents for effective riddance of CIP from wastewater.
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Affiliation(s)
- Priyanka Khan
- Centre for Research on Environment and Water, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemistry, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India
| | - Rajnarayan Saha
- Centre for Research on Environment and Water, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemistry, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India
| | - Gopinath Halder
- Centre for Research on Environment and Water, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India.
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4
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Tiwari ON, Bobby MN, Kondi V, Halder G, Kargarzadeh H, Ikbal AMA, Bhunia B, Thomas S, Efferth T, Chattopadhyay D, Palit P. Comprehensive review on recent trends and perspectives of natural exo-polysaccharides: Pioneering nano-biotechnological tools. Int J Biol Macromol 2024; 265:130747. [PMID: 38479657 DOI: 10.1016/j.ijbiomac.2024.130747] [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: 09/03/2023] [Revised: 02/22/2024] [Accepted: 03/07/2024] [Indexed: 04/18/2024]
Abstract
Exopolysaccharides (EPSs), originating from various microbes, and mushrooms, excel in their conventional role in bioremediation to showcase diverse applications emphasizing nanobiotechnology including nano-drug carriers, nano-excipients, medication and/or cell encapsulation, gene delivery, tissue engineering, diagnostics, and associated treatments. Acknowledged for contributions to adsorption, nutrition, and biomedicine, EPSs are emerging as appealing alternatives to traditional polymers, for biodegradability and biocompatibility. This article shifts away from the conventional utility to delve deeply into the expansive landscape of EPS applications, particularly highlighting their integration into cutting-edge nanobiotechnological methods. Exploring EPS synthesis, extraction, composition, and properties, the discussion emphasizes their structural diversity with molecular weight and heteropolymer compositions. Their role as raw materials for value-added products takes center stage, with critical insights into recent applications in nanobiotechnology. The multifaceted potential, biological relevance, and commercial applicability of EPSs in contemporary research and industry align with the nanotechnological advancements coupled with biotechnological nano-cleansing agents are highlighted. EPS-based nanostructures for biological applications have a bright future ahead of them. Providing crucial information for present and future practices, this review sheds light on how eco-friendly EPSs derived from microbial biomass of terrestrial and aquatic environments can be used to better understand contemporary nanobiotechnology for the benefit of society.
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Affiliation(s)
- Onkar Nath Tiwari
- Centre for Conservation and Utilization of Blue Green Algae, Division of Microbiology, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India.
| | - Md Nazneen Bobby
- Department of Biotechnology, Vignan's Foundation for Science, Technology & Research, Vadlamudi, Andhra Pradesh 522213, India
| | - Vanitha Kondi
- Department of Pharmaceutics, Vishnu Institute of Pharmaceutical Education and Research, Narsapur, Medak 502313, Telangana, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, West Bengal 713209, India
| | - Hanieh Kargarzadeh
- Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Seinkiewicza 112, 90-363 Lodz, Poland
| | - Abu Md Ashif Ikbal
- Department of Pharmaceutical Sciences, Drug Discovery Research Laboratory, Assam University, Silchar 788011, India
| | - Biswanath Bhunia
- Department of Bio Engineering, National Institute of Technology Agartala, Jirania 799046, India
| | - Sabu Thomas
- School of Nanoscience and Nanotechnology, Mahatma Gandhi University, Priyadarshini Hills, Athirampuzha, Kerala, 686560, India; Department of Chemical Sciences, University of Johannesburg, P.O. Box, 17011, Doornfontein, 2028, Johannesburg, South Africa
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, University of Mainz, Staudinger Weg 5, 55128 Mainz, Germany
| | - Debprasad Chattopadhyay
- ICMR-National Institute of Traditional Medicine, Nehru Nagar, Belagavi 590010, India; School of Life Sciences, Swami Vivekananda University, Barrackpore, Kolkata 700102, India
| | - Partha Palit
- Department of Pharmaceutical Sciences, Drug Discovery Research Laboratory, Assam University, Silchar 788011, India.
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5
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Ruatpuia JVL, Halder G, Shi D, Halder S, Rokhum SL. Comparative life cycle cost analysis of bio-valorized magnetite nanocatalyst for biodiesel production: Modeling, optimization, kinetics and thermodynamic study. Bioresour Technol 2024; 393:130160. [PMID: 38070578 DOI: 10.1016/j.biortech.2023.130160] [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] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/03/2023] [Accepted: 12/04/2023] [Indexed: 01/18/2024]
Abstract
An active, high surface area, recyclable, magnetic, basic, iron oxide-based nanocatalyst was developed from banana leaves waste and used for microwave-assisted transesterification of soybean oil to biodiesel. According to the Hammett indicator, the catalyst has a high total basicity of 15 < H < 18.4. After optimization through the response surface methodology, the reaction allows 96.5 % biodiesel yield in the presence of 24:1 methanol to soybean oil molar ratio, 6 wt% BLW@Fe3O4, 0.5 h at 65 °C. The magnetic nature of the catalyst improves reusability for up to 6 cycles. Thermodynamic analyses showed that transesterification of soybean oil to biodiesel is an endothermic reaction. Moreover, the catalyst has the potential to reduce biodiesel production costs by utilizing abundant biomass waste materials. The calculated cost for 1 kg of catalyst is $1.14, while the biodiesel's cost per kg produced in this work is merely $1.05, showing high commercial viability.
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Affiliation(s)
- Joseph V L Ruatpuia
- Department of Chemistry, National Institute of Technology Silchar, Silchar 788010, Assam, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, India
| | - Da Shi
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, U.K
| | - Sudipta Halder
- Department of Mechanical Engineering, National Institute of Technology Silchar, Silchar 788010, Assam, India
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6
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L E, Wilfred N, S K, Halder G, Haldar D, Patel AK, Singhania RR, Pandey A. Biodegradation of microplastics: Advancement in the strategic approaches towards prevention of its accumulation and harmful effects. Chemosphere 2024; 346:140661. [PMID: 37951399 DOI: 10.1016/j.chemosphere.2023.140661] [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] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
Microplastics (MPs) are plastic particles in a size ranging from 1 mm to 5 mm in diameter, and are formed by the breakdown of plastics from different sources. They are emerging environmental pollutants, and pose a great threat to living organisms. Improper disposal, inadequate recycling, and excessive use of plastic led to the accumulation of MP in the environment. The degradation of MP can be done either biotically or abiotically. In view of that, this article discusses the molecular mechanisms that involve bacteria, fungi, and enzymes to degrade the MP polymers as the primary objective. As per as abiotic degradation is concerned, two different modes of MP degradation were discussed in order to justify the effectiveness of biotic degradation. Finally, this review is concluded with the challenges and future perspectives of MP biodegradation based on the existing research gaps. The main objective of this article is to provide the readers with clear insight, and ideas about the recent advancements in MP biodegradation.
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Affiliation(s)
- Emisha L
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India
| | - Nishitha Wilfred
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India
| | - Kavitha S
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Dibyajyoti Haldar
- Division of Biotechnology, Karunya Institute of Technology and Sciences, Coimbatore, 641114, India.
| | - Anil Kumar Patel
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan; Centre for Energy and Environmental Sustainability, Lucknow, 226029, India
| | - Reeta Rani Singhania
- Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City, Taiwan.
| | - Ashok Pandey
- Centre for Energy and Environmental Sustainability, Lucknow, 226029, India; Centre for Innovation and Translational Research, CSIR-Indian Institute of Toxicology Research, Lucknow, 226 001, India; Kyung Hee University, Kyung Hee Dae Ro 26, Seoul, 02447, Republic of Korea; Sustainability Cluster, School of Engineering, University of Petroleum and Energy Studies, Dehradun, 248 007, Uttarakhand, India
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7
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Das P, Halder G, Bal M. A critical review on remediation of microplastics using microalgae from aqueous system. Sci Total Environ 2023; 898:166425. [PMID: 37598972 DOI: 10.1016/j.scitotenv.2023.166425] [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] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/30/2023] [Accepted: 08/17/2023] [Indexed: 08/22/2023]
Abstract
Microplastics (MPs) are deemed to be a global concern due to their harmful negative effects on the aquatic environment and human beings. MPs have a significant impact on both fresh and marine water ecosystems. In many countries, there is concern about the deleterious consequences of MPs on human health due to the presence of MPs in aquatic life for higher intake of marine food (fish and shellfish). Exposure to MPs causes fish to suffer from growth retardation, neurotoxicity, and behavioural abnormalities and it affects human as well. It causes oxidative stress, neurotoxicity, cytotoxicity, and immune system disruption after being ingested to these contaminated fish in human body. Due to these reasons, it has become imperative to find ways to resolve this problem. This review paper represents a pioneering endeavor by consolidating comprehensive information on microplastic-polluted Indian riverine ecosystems and effective MPs removal methods into a single, cohesive document. It meticulously evaluates the principles, removal efficiency, benefits, and drawbacks of various techniques, aiming to identify the most optimal solution. Furthermore, this paper provides a comprehensive exploration of the interesting interactions between MPs and microalgae, delving into the intricate processes of hetero-aggregation. Additionally, it shines a spotlight on the latest advancements in understanding the efficacy of microalgae in removing MPs, showcasing recent breakthroughs in this field of research. Moreover, the work goes beyond conventional assessments by elucidating the characteristics of MPs and exploring diverse influencing parameters that impact MPs removal by microalgae and also addresses the potential future aspects. This thorough investigation uncovers important factors that could significantly contribute to the development of more efficient and sustainable remediation strategies.
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Affiliation(s)
- Payal Das
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India
| | - Manisha Bal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209, India.
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8
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Devasan R, Ruatpuia JVL, Gouda SP, Kodgire P, Basumatary S, Halder G, Rokhum SL. Microwave-assisted biodiesel production using bio-waste catalyst and process optimization using response surface methodology and kinetic study. Sci Rep 2023; 13:2570. [PMID: 36782046 PMCID: PMC9925450 DOI: 10.1038/s41598-023-29883-4] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 02/11/2023] [Indexed: 02/15/2023] Open
Abstract
Providing sufficient energy supply and reducing the effects of global warming are serious challenges in the present decades. In recent years, biodiesel has been viewed as an alternative to exhaustible fossil fuels and can potentially reduce global warming. Here we report for the first time the production of biodiesel from oleic acid (OA) as a test substrate using porous sulfonic acid functionalized banana peel waste as a heterogeneous catalyst under microwave irradiation. The morphology and chemical composition of the catalyst was investigated using Powder X-ray diffraction (PXRD) analysis, Fourier transform infrared (FTIR) spectroscopy, Thermogravimetric analysis (TGA), Transmission electron microscopy (TEM), and Scanning electron microscopy- Energy dispersive X-ray spectroscopy (SEM-EDX). The SEM-EDX analysis of the catalyst revealed the presence of sulfur in 4.62 wt% amounting to 1.4437 mmol g-1 sulfonic acids, which is accorded to the high acidity of the reported catalyst. Using response surface methodology (RSM), through a central composite design (CCD) approach, 97.9 ± 0.7% biodiesel yield was observed under the optimized reaction conditions (methanol to OA molar ratio of 20:1, the temperature of 80 °C, catalyst loading of 8 wt% for 55 min). The catalyst showed excellent stability on repeated reuse and can be recycled at least 5 times without much activity loss.
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Affiliation(s)
- Rhithuparna Devasan
- grid.444720.10000 0004 0497 4101Department of Chemistry, National Institute of Technology, Silchar, Assam 788010 India
| | - Joseph V. L. Ruatpuia
- grid.444720.10000 0004 0497 4101Department of Chemistry, National Institute of Technology, Silchar, Assam 788010 India
| | - Shiva Prasad Gouda
- grid.444720.10000 0004 0497 4101Department of Chemistry, National Institute of Technology, Silchar, Assam 788010 India
| | - Pravin Kodgire
- grid.449189.90000 0004 1756 5243Chemical Engineering Department, Pandit Deendayal Energy University, Gandhinagar, Gujarat 382426 India ,grid.449189.90000 0004 1756 5243Center for Biofuel and Bioenergy Studies, Pandit Deendayal Energy University, Gandhinagar, 382426 India
| | - Sanjay Basumatary
- grid.466513.30000 0004 7391 0486Department of Chemistry, Bodoland University, Kokrajhar, Assam 783370 India
| | - Gopinath Halder
- grid.444419.80000 0004 1767 0991Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, West Bengal 713209 India
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9
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Majee S, Sarkar KK, Sarkhel R, Halder G, Mandal DD, Rathinam NK, Mandal T. Bio-organic fertilizer production from industrial waste and insightful analysis on release kinetics. J Environ Manage 2023; 325:116378. [PMID: 36270128 DOI: 10.1016/j.jenvman.2022.116378] [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] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 09/14/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
The present study has been designed to utilize industrial and agricultural solid waste for NPK (Nitrogen-Phosphorus-Potassium) bio-organic fertilizer production and its optimized use. The collagenic material of wet blue leather (WBL) from leather industry was used as nitrogen source, after H3PO4 acid-mediated chromium removal. Chicken meat-bone meal (CMBM) and rice husk ash (RHA) are abundantly available locally, had used as P, K, and Ca sources. The presence of N, P, K, Ca in the produced bio-organic NPK fertilizer were 10.76, 11.03, 3.41, 13.64, respectively as per mixing ratio of ingredients. In this study it was effect on the chili plant (Capsicum annuum L.) growth and revealed 1.15 and 1.03 fold higher plant growth, 1.40 and 1.18 fold higher total chlorophyll content than untreated soil (control), and chemical fertilizer. The liberation of fertilizers components from their source, transport of fertilizer components in the soil, and absorption in plant roots have been studied using mathematical models indicating the optimum fertilizer use for better productivity and to reduce loss of extra fertilizer and eutrophication. The formulation showed excellent water retention capability (3.2 L/kg), which might increase soil water availability to the plants and eventually reduce water demand and labour cost. DNA intercalation study proved there is no harm to use this fertilizer.
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Affiliation(s)
- Subhasish Majee
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Kalyan Kumar Sarkar
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Rwiddhi Sarkhel
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Gopinath Halder
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | | | - Navanietha Krishnaraj Rathinam
- Department of Chemical and Biological Engineering, South Dakota School of Mines and Technology, Rapid City, SD, 57701, USA
| | - Tamal Mandal
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India.
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10
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Kowalczyk W, Romanelli L, Atkins M, Hillen H, Bravo González-Blas C, Jacobs J, Xie J, Soheily S, Verboven E, Moya IM, Verhulst S, de Waegeneer M, Sansores-Garcia L, van Huffel L, Johnson RL, van Grunsven LA, Aerts S, Halder G. Hippo signaling instructs ectopic but not normal organ growth. Science 2022; 378:eabg3679. [DOI: 10.1126/science.abg3679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The Hippo signaling pathway is widely considered a master regulator of organ growth because of the prominent overgrowth phenotypes caused by experimental manipulation of its activity. Contrary to this model, we show here that removing Hippo transcriptional output did not impair the ability of the mouse liver and
Drosophila
eyes to grow to their normal size. Moreover, the transcriptional activity of the Hippo pathway effectors Yap/Taz/Yki did not correlate with cell proliferation, and hyperactivation of these effectors induced gene expression programs that did not recapitulate normal development. Concordantly, a functional screen in
Drosophila
identified several Hippo pathway target genes that were required for ectopic overgrowth but not normal growth. Thus, Hippo signaling does not instruct normal growth, and the Hippo-induced overgrowth phenotypes are caused by the activation of abnormal genetic programs.
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Affiliation(s)
- W. Kowalczyk
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - L. Romanelli
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - M. Atkins
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
- Department of Biological Sciences, Sam Houston State University, Huntsville, TX, USA
| | - H. Hillen
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - C. Bravo González-Blas
- VIB Center for Brain and Disease Research and KU Leuven Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - J. Jacobs
- VIB Center for Brain and Disease Research and KU Leuven Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - J. Xie
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - S. Soheily
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - E. Verboven
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - I. M. Moya
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
- Facultad de Ingeniería y Ciencias Aplicadas, Universidad de Las Américas, Quito, Ecuador
| | - S. Verhulst
- Department for Cell Biology, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussel-Jette, Belgium
| | - M. de Waegeneer
- VIB Center for Brain and Disease Research and KU Leuven Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - L. Sansores-Garcia
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - L. van Huffel
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
| | - R. L. Johnson
- The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - L. A. van Grunsven
- Department for Cell Biology, Faculty of Medicine and Pharmacy, Vrije Universiteit Brussel, Brussel-Jette, Belgium
| | - S. Aerts
- VIB Center for Brain and Disease Research and KU Leuven Department of Neurosciences, KU Leuven, Leuven, Belgium
| | - G. Halder
- VIB Center for Cancer Biology and KU Leuven Department of Oncology, KU Leuven, Leuven, Belgium
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11
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Show S, Sarkar P, Barman S, Halder G. Microbial remediation of ibuprofen contaminated water using novel isolate Microbacterium paraoxydans. Chem Pap 2022. [DOI: 10.1007/s11696-022-02499-0] [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: 11/27/2022]
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12
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Khan AA, Mukherjee S, Mondal M, Boddu S, Subbaiah T, Halder G. Assessment of algal biomass towards removal of Cr(VI) from tannery effluent: a sustainable approach. Environ Sci Pollut Res Int 2022; 29:61856-61869. [PMID: 34431055 DOI: 10.1007/s11356-021-16102-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
The current investigation focuses on a systematic study of application of two dried algal biomass (i.e., Nostoc sp. and Turbinaria vulgaris) in removal of Cr(VI) from synthetic solution as well as tannery industrial wastewater. The optimized conditions for Cr(VI) removal are nearly same for the both the biosorbents (i.e., pH 2.8, initial Cr(VI) concentration 100 mg L-1, biomass dosage of 1.2g L-1, contact time 120 and 110 min). Nostoc sp. (qmax=23.94mg g-1) was observed to possess a superior removal capability when compared to Turbinaria vulgaris (qmax=21.8mg g-1). Desorption studies were performed with four different desorbing agents. Application study was conducted using tannery wastewater with Nostoc sp. and 94.20% removal of Cr(VI) was obtained. Hence, this study revealed that Nostoc sp. and T. vulgaris both have great potential to be an environment friendly and economic biosorbent for removal of Cr(VI) containing industrial effluent.
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Affiliation(s)
- Anoar Ali Khan
- Department of Chemical Engineering, Vignan's Foundation for Science, Technology & Research, Vadlamudi, Guntur, Andhra Pradesh, 522213, India.
| | - Shraboni Mukherjee
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, India
| | - Madhumanti Mondal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, India
| | - Sumalatha Boddu
- Department of Chemical Engineering, Vignan's Foundation for Science, Technology & Research, Vadlamudi, Guntur, Andhra Pradesh, 522213, India
| | - Tondepu Subbaiah
- Department of Chemical Engineering, Vignan's Foundation for Science, Technology & Research, Vadlamudi, Guntur, Andhra Pradesh, 522213, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, India
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13
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Karmakar B, Mukherjee S, Sengupta SL, Halder G. Recirculating used cooking oil and Nagkesar seed shells in dual-stage catalytic biodiesel synthesis with C 1-C 3 alcohols. Environ Sci Pollut Res Int 2021; 28:58154-58169. [PMID: 34109522 DOI: 10.1007/s11356-021-14309-3] [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] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 05/03/2021] [Indexed: 06/12/2023]
Abstract
The presented study discusses biodiesel synthesis by utilizing two wastes: Mesua ferrea Linn (MFL) seed shells (inert support for developing catalysts) and used cooking oil (feedstock). The MFL shells were used for heterogeneous acid and base catalyst development through carbonization, steam activation and subsequent doping of H2SO4 or KOH, which upon instrumental examination showed effective doping of functional groups on the MFL char. The conversion approach uses methanol with sulfonated char (SC) for esterification, while the second stage utilizes 2-propanol for transesterification with KOH-doped char (KC) as a catalyst. Both stages optimize 5 controlling parameters such as mixing intensity, duration of reaction, catalyst load, alcohol concentration and reaction temperature in an L16 Taguchi experimental matrix. Thus, the obtained biodiesel has an ester content of 99.16%, while 97.35% of the free fatty acids (FFA) were converted, resulting in the product showing improved physico-chemical properties as assessed through fuel characterization tests. Reusability tests for the catalysts showed 4 reuses for acid catalyst compared to 9 reuses for base catalyst. Catalyst development costs were only $1.27/kg for activated char, while due to reuse, the prepared catalysts cost only $0.53/kg of biodiesel. Hence, the catalytic process holds great potential for commercialization if scaled up appropriately.
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Affiliation(s)
- Bisheswar Karmakar
- Department of Chemical Engineering, National Institute of Technology, M.G. Avenue, Durgapur, West Bengal, 713209, India
| | - Saumyajeet Mukherjee
- Department of Chemical Engineering, National Institute of Technology, M.G. Avenue, Durgapur, West Bengal, 713209, India
| | - Swagata Laxmi Sengupta
- Department of Chemical Engineering, National Institute of Technology, M.G. Avenue, Durgapur, West Bengal, 713209, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology, M.G. Avenue, Durgapur, West Bengal, 713209, India.
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14
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Show S, Chakraborty P, Karmakar B, Halder G. Sorptive and microbial riddance of micro-pollutant ibuprofen from contaminated water: A state of the art review. Sci Total Environ 2021; 786:147327. [PMID: 33984700 DOI: 10.1016/j.scitotenv.2021.147327] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 03/28/2021] [Accepted: 04/21/2021] [Indexed: 05/22/2023]
Abstract
Continuous discharge of ibuprofen, a pharmaceutical compound in local water systems is becoming a budding concern as seen from data procured from the past few decades. Increased concentrations of the compound in water reservoirs resulted in adverse effects on the environment. In order to prevent the deleterious impacts of increasing ibuprofen concentration in water bodies, application of cost effective and energy efficient elimination of ibuprofen (IBP) is needed. As a result, various techniques over time have been tested for IBP expulsion from aqueous media. However, adsorption and bioremediation are still the most realistic approaches to remove ibuprofen than conventional methods, like precipitation, reverse osmosis, ion exchange, nano-filtration etc., because of their lower initial cost, reduced electricity consumption, minimized sludge generation, local availability of precursor material etc. Various researchers have reported the applicability of the adsorption and bioremediation process in remediation of ibuprofen from water. Therefore, the present review article confers both the biosorption and bioremediation process towards IBP removal from water bodies and explicates the performances of various adsorbents and microorganisms derived from various sources. The presented review also substantially emphasizes on the effect of different parameters on sorptive uptake of ibuprofen, various isotherms and kinetic models, sorption mechanism and assessment of costs, which could enable future researchers to determine widespread use of reported adsorbents and microbes towards effective elimination of IBP from aqueous media.
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Affiliation(s)
- Sumona Show
- Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Prasenjit Chakraborty
- Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Bisheswar Karmakar
- Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, India.
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15
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Majee S, Halder G, Mandal DD, Tiwari ON, Mandal T. Transforming wet blue leather and potato peel into an eco-friendly bio-organic NPK fertilizer for intensifying crop productivity and retrieving value-added recyclable chromium salts. J Hazard Mater 2021; 411:125046. [PMID: 33461013 DOI: 10.1016/j.jhazmat.2021.125046] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 01/01/2021] [Accepted: 01/03/2021] [Indexed: 06/12/2023]
Abstract
An attempt has been made to address two important issues, the solid waste management of leather industry and soil fertility. The SEM images revealed altered surface-morphology.The EDS elemental analysis exhibited presence of about 13.2% nitrogen (N), 50.56% carbon (C), 2.69% phosphorus (P) in the collagenous material of wet blue leather (WBL) after chromium removal. In potato peel biochar (PPB) prepared the EDS analysis corroborated the presence of N P K in 5%, 1.4% and 21.64% respectively. In the formulated bio-organic NPK fertilizer, using chromium free WBL and PPB, the percentage of N, P, K, was in 13.10, 2.41, 20.20% respectively which was authenticated by EDS. Its effect on okra (Abelmoschus esculentus) plant showed higher growth (1.11 fold fruit size) and total chlorophyll content (1.61 fold) than in untreated soil (control) but displayed similar result as in presence of chemical fertilizer. The released free ammonia in soil with bio-organic NPK was more (37.02%) than with chemical fertilizer (6.10%). DNA intercalation study showed the non-hazardous impact on soil. The FTIR, XRD, SEM-EDS, AAS further specified the conversion of the WBL extracted acidic chromium-rich solution by MgO into crystalline chromium for commercial use.
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Affiliation(s)
- Subhasish Majee
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | - Gopinath Halder
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India
| | | | - O N Tiwari
- Centre for Conservation and Utilisation of Blue Green Algae, Division of Microbiology, ICAR- Indian Agricultural Research Institute, New Delhi, India.
| | - Tamal Mandal
- Centre for Technological Excellence in Water Purification, Department of Chemical Engineering, National Institute of Technology Durgapur, India.
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16
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Roy Z, Palodkar AV, Halder G. Biosorptive efficacy of granular activated carbon in pressure swing adsorption based model cooling system: performance assessment, isotherm modeling and cost evaluation. Environ Sci Pollut Res Int 2021; 28:30351-30365. [PMID: 33587274 DOI: 10.1007/s11356-021-12798-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 02/01/2021] [Indexed: 06/12/2023]
Abstract
The notable environmental concerns of the halogen-containing obnoxious conventional refrigerants have grounded to devise the environmentally benign and efficient cooling system. In view of this alarming issue, an experimental model cooling system based on pressure swing adsorption-desorption (PSAD) mechanism has been contrived for its performance assessment and analysis of isotherm modeling. The physicochemical properties of the wood apple (Limonia acidissima) shell-derived carbonized char are enhanced by multi-stage activation to obtain two activated carbon granular adsorbents viz. PCACG and ACG towards their application in the proposed system. The performance indicative microporous characteristics of the adsorbents are investigated, and it is observed that the indigenously prepared activated carbon possesses high surface area, i.e., 1065 m2 gm-1 and 1023 m2 gm -1 for PCACG and ACG, respectively. Carbon dioxide and bio-precursor-based adsorbents are used as adsorbent-adsorbate pair in the developed single-bed cooling system. The coefficient of performance (COP) of the cooling system are computed to be 4.93 and 2.79 utilizing PCACG and ACG, respectively while the cooling effects are quantified as 146.26 J s -1 and 128.48 J s-1.Besides, the CO2 gas adsorption mechanism onto solid adsorbent surfaces has been interpreted by Langmuir, Dubinin-Raduskevich (D-R), and Dubinin-Astakhov (D-A) isotherm models. Among them, D-A isotherm has accurately predicted the adsorption mechanism of carbon dioxide on to adsorbent. Importantly, the cost estimation of preparing PCACG and ACG exhibited the cost-effectiveness for their successful application. Based on their comparative characteristics, it is observed that the PCACG adsorbent is more energy efficient than ACG in the long run.
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Affiliation(s)
- Zunipa Roy
- Department of Chemical Engineering, National Institute of Technology Durgapur, M. G. Avenue, Durgapur, West Bengal, 713209, India
| | - Avinash V Palodkar
- Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, M. G. Avenue, Durgapur, West Bengal, 713209, India.
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17
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Datta D, Samanta S, Halder G. Effect of thickness and starch phthalate/starch content on the degradability of LDPE/silane-modified nanosilica films: a comparative parametric optimization. Polym Bull (Berl) 2021. [DOI: 10.1007/s00289-020-03213-4] [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: 10/24/2022]
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18
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Dhawane SH, Al-Sakkari E, Kumar T, Halder G. Comprehensive elucidation of the apparent kinetics and mass transfer resistances for biodiesel production via in-house developed carbonaceous catalyst. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2020.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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19
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Mukherjee S, Kamila B, Paul S, Hazra B, Chowdhury S, Halder G. Optimizing fluoride uptake influencing parameters of paper industry waste derived activated carbon. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105643] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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20
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Roy Z, Halder G. Replacement of halogenated refrigerants towards sustainable cooling system: A review. Chemical Engineering Journal Advances 2020. [DOI: 10.1016/j.ceja.2020.100027] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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21
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Abstract
The biodegradation of low density polyethylene (LDPE) was studied by employing a microbial strain isolated from the dumping site soil. The bacterium strain was identified as Bacillus tropicus (Gen Bank Accession no: MK318648) by 16S rRNA sequencing. The growth of the strain was observed on virgin LDPE during the biodegradation process. The change in properties of LDPE films before and after bacterial strain incubation was observed by FTIR, SEM, AFM, contact angle, mechanical and optical testing. Loss in mechanical properties and changes in optical properties of the polymer matrix was observed. Weight reduction by 10.15% and fall in the value of tensile strength, elongation at break, tear strength, Young’s Modulus, hardness and stiffness to 8.59 MPa, 10.85 mm, 69.18 N, 272.36, 37.6 Shor D and 10,672.21 N/m respectively were observed after 40 days of incubation. The transparency and haze percentage were also changed to 93.7% and 18.6% respectively after the study period. The pH of the media was measured during incubation to evaluate the change due to formation of different extracellular and intracellular enzymes excreted by the strain. Hence, Bacillus tropicus could be an efficient microorganism to degrade 10-micron thickness LDPE films, thereby preventing its harmful impacts in the environment.
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Affiliation(s)
- Sucharita Samanta
- Department of Chemical Engineering, National Institute of Technology Durgapur, Mahatma Gandhi Road, Durgapur, West Bengal 713209 India
| | - Deepshikha Datta
- Department of Chemical Engineering, GMR Institute of Technology, Rajam, Andhra Pradesh 532127 India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Mahatma Gandhi Road, Durgapur, West Bengal 713209 India
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22
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Thakur R, Halder G, Barman S. Synthesis of cymene in flow reactor over rare earth metal modified zeolite catalyst. International Journal of Chemical Reactor Engineering 2020. [DOI: 10.1515/ijcre-2020-0032] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractIn the present investigation transalkylation of cumene with toluene was carried over a series of zeolite containing rare earth metals such as lanthanum (La), cerium (Ce), and praseodymium (Pr). The modified zeolites were further characterized by EDS, XRD, BET and TPD. The surface area and acidities of the modified zeolite catalysts were reported. The transalkylation reactions were carried out varying different parameters such as metal loading (2–10 wt%), temperature (448–573 K), reactant ratio (1–15), and space-time (3.2–9.29 kg h/kmol). Praseodymium-modified X zeolite (PrX) showed the highest cumene conversion (60 wt%) and cymene selectivity (65.7 wt%) compared to the other zeolites. The maximum cumene conversion and cymene selectivity were obtained at 523 K, the toluene-to-cumene ratio of 9:1, and space-time of 9.29 kg h/kmol. Mass transfer resistances were studied in the said reaction conditions.
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Affiliation(s)
- Ruchika Thakur
- School of Chemistry and Biochemistry, Thapar Institute of Engineering & Technology, Patiala, Punjab, 147004, India
| | - Gopinath Halder
- Department of Chemical Engineering, NIT Durgapur, Durgapur, West Bengal, India
| | - Sanghamitra Barman
- Department of Chemical Engineering, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar, Punjab, India
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Chakraborty P, Halder G. Ibuprofen sorptive efficacy of zirconium caged date seed derived steam activated alginate beads in a static bed column. RSC Adv 2020; 10:24293-24307. [PMID: 35685247 PMCID: PMC9122624 DOI: 10.1039/d0ra04265j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 06/12/2020] [Indexed: 12/07/2022] Open
Abstract
The sorption capability of zirconium coupled sodium alginate beads of steam activated biochar derived from date seed (Zr(DSPB)Al) was explored towards Ibuprofen (IBP) removal from simulated water solution in a static bed column. The impact of governing variables viz. column bed height (5–25 cm), influent (IBP) concentration (10–30 mg L−1) and inflow rate (2–6 mL min−1) was investigated in the present study. The column experimentation reflected that with an increase in column bed length, the breakthrough curve height was increased. The maximum sorbent uptake was found to be 23.33 mg g−1 from an optimal column bed height of 20 cm, influent (IBP) concentration of 30 mg L−1 and inflow rate of 2 mL min−1 with the achievement of 94.86% of IBP removal. The bed depth service model (BDST) was studied to examine the sorbent's efficacy and it was observed that column bed height was one of the effective factors towards effective IBP sorption. The Yoon–Nelson model and Thomas model corroborated extremely well with the experimental findings. The desorption study presented a sorbent efficiency up to 5 cycles for IBP exclusion with 37.59% regeneration of the column. The investigation indicated that the novel sorbent Zr(DSPB)Al with proficient performance could be successfully applied for IBP elimination from aqueous solutions. The sorption capability of zirconium coupled sodium alginate beads of steam activated biochar derived from date seed (Zr(DSPB)Al) was explored towards Ibuprofen (IBP) removal from simulated water solution in a static bed column.![]()
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Affiliation(s)
- Prasenjit Chakraborty
- Department of Chemical Engg
- National Institute of Technology Durgapur
- Durgapur-713209
- India
| | - Gopinath Halder
- Department of Chemical Engg
- National Institute of Technology Durgapur
- Durgapur-713209
- India
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24
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Datta D, Halder G. Blending of phthalated starch and surface functionalized rice husk extracted nanosilica with LDPE towards developing an efficient packaging substitute. Environ Sci Pollut Res Int 2020; 27:1533-1557. [PMID: 31755061 DOI: 10.1007/s11356-019-06430-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Accepted: 09/04/2019] [Indexed: 06/10/2023]
Abstract
Starch was transformed to hydrophobic starch phthalate (contact angle 109°) in order to achieve a good dispersion in LDPE matrix. Nanosilica derived from rice husk after aminopropyltrimethoxysilane functionalization was also incorporated into the blend as property-enhancing filler. The produced crystalline starch phthalate had a lower particle size of 9.87 μm and a higher surface area of 2.87 m2/g compared to starch (40.28 μm, 1.91 m2/g). The potential quality modification of starch phthalate as a substitute for starch towards the production of a perfect biodegradable blend was quantified in terms of mechanical (tensile, tear, stiffness), optical (haze, transmittance), and biodegradation assessments. Interfacial adhesion between LDPE and starch phthalate was well justified by the morphology and enhancement in mechanical properties like tensile and tear strength from 8.87 to 12.67 MPa and 96.57 to 187.10 N/mm for 30% of starch or starch phthalate in LDPE matrix, respectively. Starch phthalate compared to starch blended films showed a higher biodegradation rate of 14.8 and 13.5% in garden soil and vegetable waste respectively in 1 year (at 30% biofiller), with a good first-order kinetics fit of the weight loss data having a higher degradation rate constant at higher content of biofiller in the blend.
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Affiliation(s)
- Deepshikha Datta
- Department of Chemical Engineering, National Institute of Technology, Durgapur, 713209, India
- Department of Polymer Science, Central Institute of Plastic Engineering and Technology, Bhubaneswar, 751024, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology, Durgapur, 713209, India.
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25
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Samanta S, Chowdhury S, DasSharma D, Halder G. The biosorptive uptake of enrofloxacin from synthetically produced contaminated water by tamarind seed derived activated carbon. RSC Adv 2020. [DOI: 10.1039/c9ra08995k] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The veterinary antibiotic enrofloxacin (ENR), an emerging contaminant, poses great concern due to its ubiquitous nature.
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Affiliation(s)
- Sucharita Samanta
- Chemical Engineering Department
- National Institute of Technology
- Durgapur
- India
| | - Somnath Chowdhury
- Chemical Engineering Department
- National Institute of Technology
- Durgapur
- India
| | - Debasis DasSharma
- Chemical Engineering Department
- National Institute of Technology
- Durgapur
- India
| | - Gopinath Halder
- Chemical Engineering Department
- National Institute of Technology
- Durgapur
- India
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26
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Chowdhury S, Halder G, Mandal T, Sikder J. Cetylpyridinium bromide assisted micellar-enhanced ultrafiltration for treating enrofloxacin-laden water. Sci Total Environ 2019; 687:10-23. [PMID: 31202008 DOI: 10.1016/j.scitotenv.2019.06.074] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 06/09/2023]
Abstract
The presence of a fluoroquinolone base veterinary antibacterial drug enrofloxacin in aqueous media poses a major threat due to its ecotoxicity on aquatic microbiota. Hence, for the first time, an attempt was made to remove enrofloxacin (ENX) from its aqueous solution by employing micellar-enhanced ultrafiltration (MEUF) where cetylpyridinium bromide (CPB), a cationic surfactant was used for micellization. Response surface methodology (RSM) with central composite design (CCD) approach was applied to design the experiment, and to optimize the process parameters, namely, ENX concentration (3-15 mg/L), transmembrane pressure (2-6 kgf/cm2), recirculation flow rate (5.5-7.5 L/min) and CPB concentration (1.4-4.2 mM). The objective of this study was to maximize the permeate flux and rejection coefficient and to find out the optimal process condition for the removal of enrofloxacin from aqueous solution. Though maximum 68.23 L/m2 h of permeate flux and 94.20% of rejection coefficient were achieved at different process conditions, the optimization study reveals that the predicted optimal values of permeate flux and rejection coefficient are 67.53 L/m2 h and 89.67% respectively. Modelling was also carried out with the aid of artificial neural network (ANN) to validate the prediction of RSM. The predictability of the model by RSM and ANN was compared statistically by evaluating root-mean-square error (RMSE), absolute average deviation (AAD) and mean absolute error (MAE), where ANN exhibited better predictability. The following set of parameters was proposed for industrial scale up: ENX concentration of 8.4 mg/L, TMP of 5 kgf/cm2, recirculation flow rate of 6 L/min and CPB concentration of 2.1 mM.
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Affiliation(s)
- Somnath Chowdhury
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Tamal Mandal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Jaya Sikder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India.
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27
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Affiliation(s)
- Yashika Raparia
- Department of Chemical Engineering, Thapar institute of Engineering Technology, Patiala, India
| | - Gopinath Halder
- Department of Chemical Engineering, NIT Durgapur, West Bengal, India
| | - RajKumar Arya
- Department of Chemical Engineering, NIT Jalandhar, Jalandhar, India
| | - Sanghamitra Barman
- Department of Chemical Engineering, Thapar institute of Engineering Technology, Patiala, India
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28
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Khan AA, Halder G, Saha AK. Kinetic effect and absorption performance of piperazine activator into aqueous solutions of 2-amino-2-methyl-1-propanol through post-combustion CO2 capture. KOREAN J CHEM ENG 2019. [DOI: 10.1007/s11814-019-0296-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Chowdhury S, Sikder J, Mandal T, Halder G. Comprehensive analysis on sorptive uptake of enrofloxacin by activated carbon derived from industrial paper sludge. Sci Total Environ 2019; 665:438-452. [PMID: 30772575 DOI: 10.1016/j.scitotenv.2019.02.081] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/25/2019] [Accepted: 02/05/2019] [Indexed: 06/09/2023]
Abstract
The current investigation deals with how chemically activated carbon derived from industrial paper sludge (ACPS) performs on sorptive removal of enrofloxacin (ENF), an antibacterial drug from its water solution. Thermogravimetric (TGA) and proximate analysis of raw paper sludge (RPS) were conducted. ACPS was characterized with proximate analysis, XRD, FT-IR, SEM and BET. The influence of five operational parameters viz. adsorbate concentration (initial), dose of adsorbent, pH, temperature, and contact time on the adsorption of ENF onto ACPS has been conducted using batch experiments. The process of adsorption was optimized through ANN (artificial neural network) in addition to RSM (response surface methodology). The maximum percentage removal (95.85%) was achieved at initial ENF concentration 12 mg/g, adsorbent dose 1.2 g/L, contact duration of 18 h and temperature 20 °C. Kinetic data were best fitted into pseudo-second order kinetic model and adsorption equilibrium study indicates that the adsorption process follows Langmuir isotherm model. Adsorption capacity was noted to have a highest value of 44.44 mg/g. A study on thermodynamics of the adsorption process suggests that it exhibits spontaneity, being essentially exothermic. Cost analysis and reusability study confirm that adsorbent produced from industrial paper sludge is cost-effective and reusable. Therefore, ACPS as adsorbent has potency for removing ENF from aqueous solution.
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Affiliation(s)
- Somnath Chowdhury
- Chemical Engineering Department, National Institute of Technology Durgapur, India
| | - Jaya Sikder
- Chemical Engineering Department, National Institute of Technology Durgapur, India
| | - Tamal Mandal
- Chemical Engineering Department, National Institute of Technology Durgapur, India
| | - Gopinath Halder
- Chemical Engineering Department, National Institute of Technology Durgapur, India.
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Banerjee S, Kamila B, Barman S, Joshi SR, Mandal T, Halder G. Interlining Cr(VI) remediation mechanism by a novel bacterium Pseudomonas brenneri isolated from coalmine wastewater. J Environ Manage 2019; 233:271-282. [PMID: 30583101 DOI: 10.1016/j.jenvman.2018.12.048] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 12/08/2018] [Accepted: 12/16/2018] [Indexed: 06/09/2023]
Abstract
A bioremedial approach was investigated on the removal of Cr(VI) from aqueous solution using a novel chromium reducing bacteria isolated from coalmine wastewater. Cr(VI) removal efficacy of the bacterium was determined in a series of batch studies under the influence of various parameters viz., pH (1-7), temperature (20-40 °C), initial metal concentration (1-150 mg/L), agitation speed (80-150 rpm) and substrate concentration (1-5 mg/L). Oxygen involvement in the removal process was determined by different incubation conditions. Substrate consumption and its resultant biomass generation were considered for determining the viability of the microbe under varied metal concentration. The microbial isolate survived in Cr(VI) tainted solution with initial concentration of 1-140 mg/L, among which maximum remediation was found in 60 mg/L Cr(VI) loaded solution. The bacterial species also survived in other metal solution viz., Fe(II), As(V), Cu(II), Pb(II), Zn(II), Mg(II), Mn(II) apart from Cr(VI). Multiple approaches were tested to facilitate understanding of the bacterial Cr(VI) removal mechanism. The bacteria accumulated metal ions in the exponential growth phase both on and within the cell. Underlying latent factors which governed the bacterial growth and its removal activity was determined with the classical Monod equation. The isolated bacterium also survived in the bimetallic solutions with significant removal of Cr(VI). The microbial species isolated from mining area was identified as Pseudomonas brenneri by 16s rRNA molecular characterization. Hence, the isolated novel bacterium illustrated promising involvement towards bio-treatment of Cr(VI) laden wastewater.
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Affiliation(s)
- Soumya Banerjee
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Biswajit Kamila
- Department of Chemical Engg, Calcutta University, West Bengal, India
| | | | - S R Joshi
- Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, India
| | - Tamal Mandal
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Gopinath Halder
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India.
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Mukherjee A, Banerjee S, Halder G. Parametric optimization of delignification of rice straw through central composite design approach towards application in grafting. J Adv Res 2018; 14:11-23. [PMID: 30023132 PMCID: PMC6046610 DOI: 10.1016/j.jare.2018.05.004] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [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] [Received: 01/14/2018] [Revised: 05/02/2018] [Accepted: 05/07/2018] [Indexed: 11/27/2022] Open
Abstract
Rice straw was delignified for use in free-radical grafting as a roofing material. NaOH concentration, reaction time and temperature on delignification were studied. Delignification of rice straw was optimized by central composite design approach. . Alkali concn.7.59%, time 75.11 min and temperature 40 °C were best optimized conditions. Lignin extraction concentration was found to be 70.3 mg/g.
The present investigation deals with process optimisation of delignification of rice straw towards its micro-porous structural enhancement for its utilization in polymer grafting. The individual effect of influential parameters viz. sodium hydroxide concentration (1–12%, w/v), reaction time (30–126 min), and temperature (20–150 °C) on delignification were studied in a single mode batch process. The process parameters were further optimized with Central composite design (CCD) approach of response surface methodology in Design expert software. Delignification of rice straws was observed to follow quadratic equation. Analysis of variance (ANOVA) study suggested the equation to be significant for the process with major impact of sodium hydroxide concentration on the delignification process than reaction time and temperature. The optimized parametric conditions of delignification are: alkali concentration 7.59%, reaction time 75.11 min, and reaction temperature 40 °C. The software predicted lignin extraction concentration to be 72.4 mg/g, which upon experimentation was found to be 70.03 mg/g. Instrumental analysis of the delignified rice straw demonstrated porous structure and change in surface chemistry due to lignin removal. Therefore, the delignified rice straw obtained under optimized conditions were found to be appropriate for grafting of polymers which improved its resilience for variable usages.
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Affiliation(s)
- Aparna Mukherjee
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Soumya Banerjee
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
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Affiliation(s)
- Aparna Mukherjee
- Department of Chemical Engineering, National Institute of Technology, Durgapur, India
| | - Deepshikha Datta
- Department of Chemical Engineering, National Institute of Technology, Durgapur, India
- Department of Polymer Science, Central Institute of Plastic Engineering and Technology, Bhubaneswar, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology, Durgapur, India
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Khanra S, Mondal M, Halder G, Tiwari O, Gayen K, Bhowmick TK. Downstream processing of microalgae for pigments, protein and carbohydrate in industrial application: A review. Food and Bioproducts Processing 2018. [DOI: 10.1016/j.fbp.2018.02.002] [Citation(s) in RCA: 126] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Mukherjee S, Dutta S, Ray S, Halder G. A comparative study on defluoridation capabilities of biosorbents: isotherm, kinetics, thermodynamics, cost estimation, and eco-toxicological study. Environ Sci Pollut Res Int 2018; 25:17473-17489. [PMID: 29656358 DOI: 10.1007/s11356-018-1931-4] [Citation(s) in RCA: 6] [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] [Subscribe] [Scholar Register] [Received: 12/03/2017] [Accepted: 04/03/2018] [Indexed: 06/08/2023]
Abstract
The present study aims towards fluoride remediation from synthetic water using steam-activated carbon of Aegle marmelos (bael shell/wood apple) (BAC) and Parthenium hysterophorus (PHAC) according to batch sorption techniques. The impact of different parametric conditions viz. initial fluoride concentration (4-12 mg/L), time (0-5 h), temperature (293.15-333.15 K), adsorbent dosage (4-14 g/L), pH (4-9), and RPM (150-350) were considered for both the adsorbents. Maximum defluoridation of 89% was achieved by BAC at a concentration of 10 mg/L, adsorbent dose 6 g/L, pH 5, temperature 313.15 K, agitation speed 250 rpm, and contact time 9 h, whereas PHAC attained maximum removal of 78% at an initial concentration of 8 mg/L, adsorbent dose 10 g/L, pH 4, temperature 313.15 K, and contact time 12 h. Instrumental analysis by SEM, EDX, and FTIR confirmed about the fluoride binding ability of the adsorbents. The Langmuir isotherm model provided the best fit (R2 = 0.9962 and 0.9945) to the removal process with maximum adsorptive uptake of 16.85 and 6.22 mg/g by BAC and PHAC respectively. The adsorption phenomenon was found to obey pseudo-second-order kinetics. The endothermic, spontaneous, and feasible nature of the sorption process was confirmed by the thermodynamic study. The total costs of 1 kg adsorbent preparation were calculated as 1.122 USD and 1.0615 USD which helped us in determining the economic feasibility of the adsorbents in large-scale applications. The growth of Chlorella sorokiniana BTA 9031 was also observed to be affected by the fluoride solution. Comparing the removal efficiencies of both the adsorbents, it can be concluded that BAC shell proved to be an efficient adsorbent over PHAC for fluoride elimination from aqueous solution. Graphical abstract Defluoridation of aqueous solution using biochar derived from Aegle marmelos shell and Parthenium hysterophorus.
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Affiliation(s)
- Shraboni Mukherjee
- Chemical Engineering Department, National Institute of Technology, M. G. Avenue, Durgapur, 713209, India
| | - Sujata Dutta
- Chemical Engineering Department, National Institute of Technology, M. G. Avenue, Durgapur, 713209, India
| | - Sourjya Ray
- Chemical Engineering Department, National Institute of Technology, M. G. Avenue, Durgapur, 713209, India
| | - Gopinath Halder
- Chemical Engineering Department, National Institute of Technology, M. G. Avenue, Durgapur, 713209, India.
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Thakur R, Barman S, Halder G. Surface Modification of Nanocrystalline Zeolite X and Its Application as Catalyst in Synthesis of Cumene in a Packed Bed Flow Reactor: A Kinetic Study. International Journal of Chemical Reactor Engineering 2018. [DOI: 10.1515/ijcre-2017-0023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractIn the present investigation, synthesis of cumene by transalkylation of 1, 4 DIPB with benzene was studied over cerium modified nano crystalline zeolite X in a fixed bed plug flow reactor. Nano crystalline zeolite X was synthesized and characterized by XRD, SEM, TPD, EDS and FTIR. A series of nanocrystalline zeolite X (MX4, MX6, MX10) modified with ceric ammonium nitrate of different concentrations (4 %, 6 %, 10 %) was used for synthesis of cumene. MX10zeolite was proved to be the most active catalyst over which 27.12 % yield of cumene was obtained at temperature 553K, benzene/1, 4 DIPB mole ratio of 7.5 and space time-10.54 kg h/kmol. Reduction of crystal size (100–500 nm) in MX10increases surface area (633m2/gm) and thereby increases cumene yield. A kinetic rate equation was developed from the product distribution pattern following Langmuir–Hinshelwood approach. Kinetic parameters were estimated by nonlinear regression analysis. The activation energy for transalkylation and isomerisation reaction was found to be 88.86 kJ/mol and 99.04 kJ/mol respectively.
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Mukherjee S, Sahu P, Halder G. Microbial remediation of fluoride-contaminated water via a novel bacterium Providencia vermicola (KX926492). J Environ Manage 2017; 204:413-423. [PMID: 28915476 DOI: 10.1016/j.jenvman.2017.08.051] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 07/04/2017] [Accepted: 08/29/2017] [Indexed: 06/07/2023]
Abstract
The present study emphasizes on the isolation, identification and characterization of a fluoride-resistant bacteria from contaminated groundwater of a severely affected rural area. The isolate was investigated for its possible role towards bioremediation of fluoride. Bacterial growth was determined by various carbon and nitrogen sources. Influence of parameters like initial fluoride concentration (5-25 mg L-1), pH (3-9) and temperature (15-42 °C) on fluoride removal by Providencia sp. KX926492 were also examined. SEM, EDX and FTIR were performed to analyse the surface texture, elemental composition and functional groups of the bacterium involved in the uptake of fluoride ions. 16S rRNA sequencing was performed to identify the isolate. Plackett-Burman design was employed to optimize the various parametric conditions of fluoride removal. Maximum removal of 82% was achieved when the initial fluoride concentration was 20 mgL-1 at pH 7 and 37 °C temperature with dextrose and nitrogen concentrations of 5 and 4 g per 50 mL respectively. Results suggested that Providencia vermicola (KX926492) could be a potential bacterium in removal of fluoride from contaminated water.
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Affiliation(s)
- Shraboni Mukherjee
- Chemical Engg Department, National Institute of Technology, Durgapur, 713209, India
| | - Priyanka Sahu
- Chemical Engg Department, National Institute of Technology, Durgapur, 713209, India
| | - Gopinath Halder
- Chemical Engg Department, National Institute of Technology, Durgapur, 713209, India.
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Banerjee S, LaminKa-Ot A, Joshi SR, Mandal T, Halder G. Optimization of Fe 2+ Removal from Coal Mine Wastewater using Activated Biochar of Colocasia esculenta. Water Environ Res 2017; 89:774-782. [PMID: 28855015 DOI: 10.2175/106143017x14902968254791] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The present study investigates the sorptive removal of Fe2+ from simulated coal mine waste water using steam activated biochar (SABC) developed from the roots of Colocasia esculenta. The process was optimized by response surface methodology (RSM) under the influence of pH, temperature, adsorbent dosage and contact time at a constant shaking speed of 180 rpm with an initial concentration of 3 mg/L. The uptake performance of the biosorbent was assessed following a 24 full factorial experimental matrix developed by central composite design approach. Adsorbent was characterised by SEM, EDAX, XRD and B.E.T surface area analyzer. Maximum removal of 72.96% of Fe2+ was observed at pH 7.75, temperature 37.5 °C, adsorbent dosage 1.5 g/L for a time period of 180 mins. The study suggested that SABC prepared from roots of Colocasia esculenta could be used as an efficient and cost effective sorbent for removal of Fe2+ from coal mine wastewater.
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Stradiot L, Verhulst S, Roosens T, Øie C, Moya I, Halder G, Mannaerts I, van Grunsven L. Functionality based method for simultaneous isolation of rodent hepatic sinusoidal cells. Biomaterials 2017; 139:91-101. [DOI: 10.1016/j.biomaterials.2017.05.047] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 05/26/2017] [Accepted: 05/29/2017] [Indexed: 01/20/2023]
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Ghosh A, Khanra S, Mondal M, Devi TI, Halder G, Tiwari O, Bhowmick TK, Gayen K. Biochemical characterization of microalgae collected from north east region of India advancing towards the algae-based commercial production. ASIA-PAC J CHEM ENG 2017. [DOI: 10.1002/apj.2114] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ashmita Ghosh
- Department of Chemical Engineering; NIT Agartala; Jirania West Tripura 799046 India
| | - Saumyakanti Khanra
- Department of Chemical Engineering; NIT Agartala; Jirania West Tripura 799046 India
| | - Madhumanti Mondal
- Department of Chemical Engineering; NIT Durgapur; Durgapur West Bengal 713209 India
| | | | - Gopinath Halder
- Department of Chemical Engineering; NIT Durgapur; Durgapur West Bengal 713209 India
| | - O.N. Tiwari
- Centre for Conservation and Utilization of Blue Green Algae; Division of Microbiology ICAR-Indian Agricultural Research Institute; New Delhi 110012 India
| | | | - Kalyan Gayen
- Department of Chemical Engineering; NIT Agartala; Jirania West Tripura 799046 India
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Banerjee S, Joshi SR, Mandal T, Halder G. Insight into Cr 6+ reduction efficiency of Rhodococcus erythropolis isolated from coalmine waste water. Chemosphere 2017; 167:269-281. [PMID: 27728886 DOI: 10.1016/j.chemosphere.2016.10.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2016] [Revised: 09/23/2016] [Accepted: 10/03/2016] [Indexed: 06/06/2023]
Abstract
A microbial treatment of Cr6+ contaminated wastewater with a chromium reducing bacteria isolated from coal mine area was investigated. In a series of batch study metal removal was executed under different parametric conditions which include pH (2-7), temperature (20-50 °C), initial Cr6+ concentration (1-100 mg/L), substrate utilization and its overall effect on biomass generation. Impact of oxygen availability was checked at different agitation speed and its role on the remedial process. Liquid phase reduction of Cr6+ was measured in terms of substrate reduction and total biomass yield. The bacterium species isolated was able to tolerate Cr6+ over a wide range from 1 to 100 mg/L before it reached minimum inhibition concentration. Apart from Cr6+, the bacterial isolate showed tolerance towards Fe, As, Cu, Ag, Zn, Mn, Mg and Pb. Removal mechanism adopted by the bacterium recommended that it employed accumulation of Cr6+ as Cr3+ both within and outside the cell. Classical Monod equation was used to determine the biokinetics of the bacterial isolate along with the interference of metal ion concentration and substrate utilization. Cr6+ removal was found prominent even in bimetallic solutions. The bacterial isolate was confirmed to be Rhodococcus erythopolis by 16s rRNA molecular characterization. Thus the bacterial isolate obtained from the coal mine area proved to be a potential agent for microbial remediation of Cr6+ laden waste water.
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Affiliation(s)
- Soumya Banerjee
- Department of Chemical Engg, National Institute of Technology, Durgapur, West Bengal, India
| | - S R Joshi
- Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, India
| | - Tamal Mandal
- Department of Chemical Engg, National Institute of Technology, Durgapur, West Bengal, India
| | - Gopinath Halder
- Department of Chemical Engg, National Institute of Technology, Durgapur, West Bengal, India.
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Mukherjee A, Halder S, Datta D, Anupam K, Hazra B, Kanti Mandal M, Halder G. Free radical induced grafting of acrylonitrile on pre-treated rice straw for enhancing its durability and flame retardancy. J Adv Res 2016; 8:73-83. [PMID: 28116153 PMCID: PMC5233921 DOI: 10.1016/j.jare.2016.12.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [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] [Received: 08/09/2016] [Revised: 12/05/2016] [Accepted: 12/05/2016] [Indexed: 11/20/2022] Open
Abstract
The present investigation highlights the feasibility of a polymer grafting process to enhance the durability and flame retardancy of rice straw towards application as a low cost roofing material. The success of this grafting methodology was perceived to depend upon a bi-step pre-treatment process encompassing delignification and inorganic salts dispersion. Subsequently free radical polymer grafting of acrylonitrile onto rice straw was implemented by immersion mechanism initiated by oxalic acid-potassium permanganate initiator. The percentage of grafting, limiting oxygen index (LOI), biodegradability of the grafted rice straw and grafting yield percentage was estimated to be 57%, 27%, 0.02% and 136.67%, respectively. The weight loss of polymer grafted rice straw implied its less biodegradability over raw straw. Thus, the process of grafting contrived in the present analysis can be a promising and reliable technique for the efficient utilization of rice straw as an inexpensive roofing element through the augmentation of its durability and flame retardancy.
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Affiliation(s)
- Aparna Mukherjee
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Seema Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Deepshikha Datta
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
- Department of Chemical Engineering, Durgapur Institute of Advanced Technology and Management, Durgapur 713212, India
| | - Kumar Anupam
- Physical Chemistry, Pulping and Bleaching Division, Central Pulp and Paper Research Institute, Himmat Nagar, Saharanpur 247001, Uttar Pradesh, India
| | - Biren Hazra
- Department of Chemistry, K. K. College of Engineering and Management, Dhanbad 828109, Jharkhand, India
| | - Mrinal Kanti Mandal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, India
- Corresponding author. Fax: +91 3432754078.
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Chattaraj S, Mohanty D, Kumar T, Halder G. Thermodynamics, kinetics and modeling of sorption behaviour of coalbed methane – A review. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.juogr.2016.09.001] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Mondal S, Bobde K, Aikat K, Halder G. Biosorptive uptake of ibuprofen by steam activated biochar derived from mung bean husk: Equilibrium, kinetics, thermodynamics, modeling and eco-toxicological studies. J Environ Manage 2016; 182:581-594. [PMID: 27544645 DOI: 10.1016/j.jenvman.2016.08.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Revised: 08/07/2016] [Accepted: 08/08/2016] [Indexed: 05/04/2023]
Abstract
The present study explores the use of steam activated mung bean husk biochar (SA-MBHB) as a potential sorbent for the removal of non-steroidal and anti-inflammatory drug ibuprofen from aqueous solution. SA-MBHB was characterized by SEM, FTIR, BET, TGA, point of zero charge (pHPZC) and UV-Vis spectrophotometer. The relation between removal percentages of ibuprofen and parameters such as adsorbent dose (0.05 g-250 g), contact time (5 min-210 min), pH (2-10), speed of agitation (40-280 rpm), temperature (293-308 K) and initial ibuprofen concentration (5-100 ppm) was investigated and optimized by a series of batch sorption experiments. The optimized conditions achieved were: adsorbent dose 0.1 g/L, agitation speed 200 rpm, pH 2, initial ibuprofen concentration 20 mg L(-1), equilibrium time 120 min and temperature 20 °C for more than 99% adsorptive removal of ibuprofen. The equilibrium adsorption data were well fitted into the Langmuir isotherm model while kinetic data suggested the removal process to follow pseudo second order reaction. The adsorption phenomena were optimized and simulated by using response surface methodology (RSM) and artificial neural network (ANN). Effect of process variables viz. dose, agitation speed and pH on the sorbed amount of IBP was studied through a 2(3) full factorial central composite design (CCD). The comparative analysis was done for ibuprofen removal by constructing ANN model training using same experimental matrix of CCD. The growth of Scenedesmus abundans was also observed to be affected by the IBP solution whereas the biochar treated with IBP solution did not significantly affect the growth of the Scenedesmus abundans. The results revealed that SA-MBHB could be a cost-effective, efficient and non-hazardous adsorbent for the removal of ibuprofen from aqueous solution.
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Affiliation(s)
- Sandip Mondal
- Department of Biotechnology, National Institute of Technology, Durgapur, 713209, India; Department of Chemical Engineering, National Institute of Technology, Durgapur, 713209, India
| | - Kiran Bobde
- Department of Biotechnology, National Institute of Technology, Durgapur, 713209, India
| | - Kaustav Aikat
- Department of Biotechnology, National Institute of Technology, Durgapur, 713209, India
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology, Durgapur, 713209, India.
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Banerjee S, Mukherjee S, LaminKa-Ot A, Joshi SR, Mandal T, Halder G. Biosorptive uptake of Fe(2+), Cu(2+) and As(5+) by activated biochar derived from Colocasia esculenta: Isotherm, kinetics, thermodynamics, and cost estimation. J Adv Res 2016; 7:597-610. [PMID: 27408763 PMCID: PMC4933041 DOI: 10.1016/j.jare.2016.06.002] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [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] [Received: 04/24/2016] [Revised: 06/12/2016] [Accepted: 06/13/2016] [Indexed: 10/30/2022] Open
Abstract
The adsorptive capability of superheated steam activated biochar (SSAB) produced from Colocasia esculenta was investigated for removal of Cu(2+), Fe(2+) and As(5+) from simulated coal mine wastewater. SSAB was characterized by scanning electron microscopy, Fourier transform infrared spectroscopy and Brunauer-Emmett-Teller analyser. Adsorption isotherm indicated monolayer adsorption which fitted best in Langmuir isotherm model. Thermodynamic study suggested the removal process to be exothermic, feasible and spontaneous in nature. Adsorption of Fe(2+), Cu(2+) and As(5+) on to SSAB was found to be governed by pseudo-second order kinetic model. Efficacy of SSAB in terms of metal desorption, regeneration and reusability for multiple cycles was studied. Regeneration of metal desorbed SSAB with 1 N sodium hydroxide maintained its effectiveness towards multiple metal adsorption cycles. Cost estimation of SSAB production substantiated its cost effectiveness as compared to commercially available activated carbon. Hence, SSAB could be a promising adsorbent for metal ions removal from aqueous solution.
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Affiliation(s)
- Soumya Banerjee
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Shraboni Mukherjee
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Augustine LaminKa-Ot
- Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, India
| | - S R Joshi
- Department of Biotechnology and Bioinformatics, North-Eastern Hill University, Shillong, India
| | - Tamal Mandal
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
| | - Gopinath Halder
- Department of Chemical Engg, National Institute of Technology Durgapur, West Bengal, India
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Halder G, Zühl J. Tuberkulose bei Asylbewerbern in München. Gesundheitswesen 2016. [DOI: 10.1055/s-0036-1578841] [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: 10/22/2022]
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Abstract
Germany is a low-incidence country for tuberculosis, but there is no time for complacency. With an annual incidence of 10 per 100,000 population the City of Munich counts twice as many cases of tuberculosis compared to the national average. Reasons for the concentration of tuberculosis in big cities include the high proportion of migrants from countries with high prevalence of tuberculosis and from socioeconomically disadvantaged populations. Munich's population is growing fast and is expected to exceed 1.5 million in the near future. Migrants looking for employment now come predominantly from Romania, Bulgaria and Poland. The proportion of foreign born patients with tuberculosis increased over the last ten years from 49 to 80 %. Asylum seekers and migrants need special attention from the public tuberculosis services. The proportion of tuberculosis patients with social problems increased from 37 to 55 % over the last 6 years. Demands for medical and social support have increased and the case management is increasingly complex. In 2011 the ambulatory treatment of 6 immigrants was supervised by the public health services in Munich. Increasingly, uninsured patients from southeastern states of the European Union need medical treatment. In Europe the overall number of tuberculosis cases is decreasing. The proportion of multidrug-resistant (MDR) tuberculosis in Eastern Europe is alarming. 15 of worldwide 27 countries with the highest MDR load are located in the European Region. In Munich the number of MDR cases is still low at 1-4 cases each year. But duration, cost and side effects of therapy are strong barriers to treatment success. All patients have the right to get adequate diagnostic work-up and effective treatment no matter in which country they reside. To realize this request with cross-border control and care, is a big challenge to the public health service in a global perspective.
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Affiliation(s)
- C Dreweck
- Abteilung Infektionsschutz, Referat für Gesundheit und Umwelt, München
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Schroeder MC, Chen CL, Gajewski K, Halder G. A non-cell-autonomous tumor suppressor role for Stat in eliminating oncogenic scribble cells. Oncogene 2012; 32:4471-9. [PMID: 23108407 DOI: 10.1038/onc.2012.476] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2012] [Revised: 08/30/2012] [Accepted: 08/30/2012] [Indexed: 12/18/2022]
Abstract
Elucidating signaling events between tumor cells and their microenvironment is a major challenge in understanding cancer development. Drosophila melanogaster has emerged as an important tool for dissecting the genetic circuits tumors depend on because their imaginal discs, simple epithelia present in the larva, can be genetically manipulated to serve as models to study cancer mechanisms. Imaginal disc cells mutant for the tumor-suppressor gene scribble (scrib) lose apical-basal polarity and have the potential to form large neoplastic tumors. Interestingly, when scrib mutant (scrib(-)) cells are surrounded by normal cells the scrib(-) population is eliminated. However, the signals and mechanisms that cause the elimination of clones of scrib(-) cells are poorly understood. Here, we analyzed the role of Stat, a component of the JAK/STAT signaling pathway, in tissues with clones of scrib(-) cells. We found that Stat activity is required in normal cells for the elimination of neighboring scrib(-) cells. Importantly, these competitive defects of stat mutant cells are not simply due to defects in cell proliferation because even stat(-) cells manipulated to hyperproliferate are unable to eliminate scrib(-) cells. These data identify Stat activity as a critical determinant of whether or not a tissue can eliminate abnormal cells and provide an important step forward in understanding the complex network of signals operating in and around tumorigenic cells.
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Affiliation(s)
- M C Schroeder
- 1] Program in Developmental Biology, Baylor College of Medicine, Houston, TX, USA [2] Department of Biochemistry and Molecular Biology, University of Texas MD Anderson Cancer Center, Houston, TX, USA
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Neville S, Murray K, Kepert C, Halder G, Chapman GH. Guest tunable structure and magnetism in a porous coordination polymer followed by parallel in situsingle crystal and powder diffraction. Acta Crystallogr A 2011. [DOI: 10.1107/s0108767311090799] [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: 11/10/2022] Open
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Abstract
Transformation and metastasis are complex processes that depend on integration of effects from multiple mutations. Modeling this complexity requires manipulating multiple genes in particular sub-populations of cells in vivo. This is technically challenging in mammalian model systems and has limited the rate of progress in understanding the effects of the complex aberrations present in cancer cells. In contrast, powerful genetic methods in the fruit fly Drosophila allow efficient generation and analysis of complex genotypes in defined cell populations. These methods are already fruitful in exploring the interactions among cancer mutations, and between cell populations that mimic the tumor microenvironment. In this issue of Oncogene, Willecke et al. (2011) describe the implementation of a novel genetic screen in Drosophila to identify genes required for tumor growth in vivo. This report illustrates the power of using Drosophila to perform systematic genome-wide genetic screens in complex genetic backgrounds and for the resulting data to inform our understanding of transformation and metastasis in human systems.
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Affiliation(s)
- G Halder
- Department of Biochemistry and Molecular Biology, MD Anderson Cancer Center, Houston, TX 77030, USA.
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