1
|
Sahoo JK, Somu P, Narayanasamy S, Sahoo SK, Lee YR, Baalakrishnan DR, RajaSekhar Reddy NV, Rajendiran S. WITHDRAWN: Heavy metal ions and dyes removal from aqueous solution using Aloevera-based biosorbent: A systematic review. Environ Res 2023; 216:114669. [PMID: 36404520 DOI: 10.1016/j.envres.2022.114669] [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] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/30/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
This article has been withdrawn: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been withdrawn at the request of the authors, editor and publisher. The publisher regrets that an error occurred which led to the premature publication of this paper. The publisher apologizes to the readers for this unfortunate erro
Collapse
Affiliation(s)
- Jitendra Kumar Sahoo
- Department of Chemistry, GIET University, Gunupur, Rayagada, Odisha, 765022, India
| | - Prathap Somu
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea; Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Saranya Narayanasamy
- Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Shraban Kumar Sahoo
- School of Applied Sciences, Centurion University of Technology and Management, Odisha, 752050, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - D R Baalakrishnan
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India.
| | - N V RajaSekhar Reddy
- Department of Information Technology, MLR Institute of Technology, Hyderabad, Telangana, India
| | - S Rajendiran
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India
| |
Collapse
|
2
|
Sahoo JK, Somu P, Narayanasamy S, Sahoo SK, Lee YR, Baalakrishnan DR, RajaSekhar Reddy NV, Rajendiran S. Withdrawal notice to: "Heavy metal ions and dyes removal from aqueous solution using aloevera-based biosorbent: A systematic review" [Environ. Res. 216 (2023) 114669]. Environ Res 2023; 216:114971. [PMID: 36456364 DOI: 10.1016/j.envres.2022.114971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Affiliation(s)
- Jitendra Kumar Sahoo
- Department of Chemistry, GIET University, Gunupur, Rayagada, Odisha, 765022, India
| | - Prathap Somu
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea; Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Saranya Narayanasamy
- Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Shraban Kumar Sahoo
- School of Applied Sciences, Centurion University of Technology and Management, Odisha, 752050, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - D R Baalakrishnan
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India.
| | - N V RajaSekhar Reddy
- Department of Information Technology, MLR Institute of Technology, Hyderabad, Telangana, India
| | - S Rajendiran
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India
| |
Collapse
|
3
|
Somu P, Narayanasamy S, Gomez LA, Rajendran S, Lee YR, Balakrishnan D. Immobilization of enzymes for bioremediation: A future remedial and mitigating strategy. Environ Res 2022; 212:113411. [PMID: 35561819 DOI: 10.1016/j.envres.2022.113411] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [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: 03/10/2022] [Revised: 04/19/2022] [Accepted: 04/29/2022] [Indexed: 06/15/2023]
Abstract
Over the years, extensive urbanization and industrialization have led to xenobiotics contamination of the environment and also posed a severe threat to human health. Although there are multiple physical and chemical techniques for xenobiotic pollutants management, bioremediation seems to be a promising technology from the environmental perspective. It is an eco-friendly and low-cost method involving the application of microbes, plants, or their enzymes to degrade xenobiotics into less toxic or non-toxic forms. Moreover, bioremediation involving enzymes has gained an advantage over microorganisms or phytoremediation due to better activity for pollutant degradation with less waste generation. However, the significant disadvantages associated with the application of enzymes are low stability (storage, pH, and temperature) as well as the low possibility of reuse as it is hard to separate from reaction media. The immobilization of enzymes without affecting their activity provides a possible solution to the problems and allows reusability by easing the process of separation with improved stability to various environmental factors. The present communication provides an overview of the importance of enzyme immobilization in bioremediation, carrier selection, and immobilization methods, as well as the pros and cons of immobilization and its prospects.
Collapse
Affiliation(s)
- Prathap Somu
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea; Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Saranya Narayanasamy
- Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Levin Anbu Gomez
- Department of Biotechnology, Karunya Institute of Technology and Sciences (Deemed to Be University), Coimbatore, 641114, India
| | - Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez 1775, Arica, Chile
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - Deepanraj Balakrishnan
- College of Engineering, Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia.
| |
Collapse
|
4
|
Narayanasamy S, Sundaram V, Sundaram T, Vo DVN. Biosorptive ascendency of plant based biosorbents in removing hexavalent chromium from aqueous solutions - Insights into isotherm and kinetic studies. Environ Res 2022; 210:112902. [PMID: 35167851 DOI: 10.1016/j.envres.2022.112902] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [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: 12/15/2021] [Revised: 01/22/2022] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Chromium is a toxic heavy metal prevalent in higher levels in aqueous matrices owing to industrial applications. Whilst being a key player in industries, the environmental issues caused by Cr(VI) are highly deleterious. Adsorptive remediation is found to be an effective method adopted by researchers in the past decades for Cr(VI) removal from water streams in which variety of naturally available biosorbents have been explored for handling Cr(VI). This review article briefly sketches up the biosorptive potential of plant-based biosorbents used in raw and chemically modified form for the optimum exclusion of Cr(VI) from aqueous sources. Mechanisms and kinetic behavior of the removal process are also discussed. pH of the solution and initial Cr(VI) concentration were found to be the key parameters in Cr removal. The mechanism of Cr removal from aqueous systems was elucidated to be either adsorption or adsorption-coupled-reduction. After precise discussion on various plant-based biosorbents with their maximum adsorption capacities, desorption and regeneration potential, it is perceived that plant-based biosorbents are superior options for Cr(VI) elimination from aqueous streams.
Collapse
Affiliation(s)
- Saranya Narayanasamy
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, Tamil Nadu, India
| | - Vickram Sundaram
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, Tamil Nadu, India
| | - Thanigaivel Sundaram
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, Tamil Nadu, India.
| | - Dai-Viet N Vo
- Institute of Environmental Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam.
| |
Collapse
|
5
|
Narayanasamy S, Krishna S, Prasad Shanbhogue AK, Flood TA, Sadoughi N, Sathiadoss P, Schieda N. Contemporary update on imaging of cystic renal masses with histopathological correlation and emphasis on patient management. Clin Radiol 2018; 74:83-94. [PMID: 30314810 DOI: 10.1016/j.crad.2018.09.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 09/06/2018] [Indexed: 01/21/2023]
Abstract
This article presents an updated review of cystic renal mass imaging. Most cystic renal masses encountered incidentally are benign and can be diagnosed confidently on imaging and require no follow-up. Hyperattenuating masses discovered at unenhanced or single-phase enhanced computed tomography (CT) measuring between 20-70 HU are indeterminate and can be further investigated first by using ultrasound and, then with multi-phase CT or magnetic resonance imaging (MRI); as the majority represent haemorrhagic/proteinaceous cysts (HPCs). Dual-energy CT may improve differentiation between HPCs and masses by suppressing unwanted pseudo-enhancement observed with conventional CT. HPCs can be diagnosed confidently when measuring >70 HU at unenhanced CT or showing markedly increased signal on T1-weighted imaging. Although the Bosniak criteria remains the reference standard for diagnosis and classification of cystic renal masses, histopathological classification and current management has evolved: multilocular cystic renal cell carcinoma (RCC) has been reclassified as a cystic renal neoplasm of low malignant potential, few Bosniak 2F cystic masses progress radiologically during follow-up; RCC with predominantly cystic components are less aggressive than solid RCC; and Bosniak III cystic masses behave non-aggressively. These advances have led to an increase in non-radical management or surveillance of cystic renal masses including Bosniak 3 lesions. Tubulocystic RCC is a newly described entity with distinct imaging characteristics, resembling a pancreatic serous microcystadenoma. Other benign cystic masses including: mixed epithelial stromal tumours (MEST) are now considered in the spectrum of cystic nephroma and angiomyolipoma (AML) with epithelial cysts (AMLEC) resemble a fat-poor AML with cystic components.
Collapse
Affiliation(s)
- S Narayanasamy
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada
| | - S Krishna
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada
| | - A K Prasad Shanbhogue
- Department of Radiology, New York University School of Medicine, 660 First Avenue, New York, NY 10016, USA
| | - T A Flood
- Department of Anatomic Pathology, The Ottawa Hospital, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada
| | - N Sadoughi
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada
| | - P Sathiadoss
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada
| | - N Schieda
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada.
| |
Collapse
|
6
|
Krishna S, Murray CA, McInnes MD, Chatelain R, Siddaiah M, Al-Dandan O, Narayanasamy S, Schieda N. CT imaging of solid renal masses: pitfalls and solutions. Clin Radiol 2017; 72:708-721. [PMID: 28592361 DOI: 10.1016/j.crad.2017.05.003] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 04/20/2017] [Accepted: 05/02/2017] [Indexed: 12/22/2022]
Abstract
Computed tomography (CT) remains the first-line imaging test for the characterisation of renal masses; however, CT has inherent limitations, which if unrecognised, may result in errors. The purpose of this manuscript is to present 10 pitfalls in the CT evaluation of solid renal masses. Thin section non-contrast enhanced CT (NECT) is required to confirm the presence of macroscopic fat and diagnosis of angiomyolipoma (AML). Renal cell carcinoma (RCC) can mimic renal cysts at NECT when measuring <20 HU, but are usually heterogeneous with irregular margins. Haemorrhagic cysts (HC) may simulate solid lesions at NECT; however, a homogeneous lesion measuring >70 HU is essentially diagnostic of HC. Homogeneous lesions measuring 20-70 HU at NECT or >20 HU at contrast-enhanced (CE) CT, are indeterminate, requiring further evaluation. Dual-energy CT (DECT) can accurately characterise these lesions at baseline through virtual NECT, iodine overlay images, or quantitative iodine concentration analysis without recalling the patient. A minority of hypo-enhancing renal masses (most commonly papillary RCC) show indeterminate or absent enhancement at multiphase CT. Follow-up, CE ultrasound or magnetic resonance imaging (MRI) is required to further characterise these lesions. Small (<3 cm) endophytic cysts commonly show pseudo-enhancement, which may simulate RCC; this can be overcome with DECT or MRI. In small (<4 cm) solid renal masses, 20% of lesions are benign, chiefly AML without visible fat or oncocytoma. Low-dose techniques may simulate lesion heterogeneity due to increased image noise, which can be ameliorated through the appropriate use of iterative reconstruction algorithms.
Collapse
Affiliation(s)
- S Krishna
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
| | - C A Murray
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
| | - M D McInnes
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
| | - R Chatelain
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
| | - M Siddaiah
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
| | - O Al-Dandan
- Department of Radiology, University of Dammam, Dammam, Saudi Arabia
| | - S Narayanasamy
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada
| | - N Schieda
- Department of Medical Imaging, The Ottawa Hospital, University of Ottawa, Ottawa, Canada.
| |
Collapse
|
7
|
Dietrich C, Teut M, Samwel KL, Narayanasamy S, Rathapillil T, Thathews G. Treating Palliative Care Patients with Pain with the Body Tambura: A Prospective Case Study at St. Joseph's Hospice for Dying destitute in Dindigul South India. Indian J Palliat Care 2015; 21:236-41. [PMID: 26009680 PMCID: PMC4441188 DOI: 10.4103/0973-1075.156509] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [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] [Indexed: 11/30/2022] Open
Abstract
Background: The Body Tambura is a recently invented stringed instrument that is used for receptive music therapy designed to be placed and attached on the human body. The aim of this study was to record perceived effects of a treatment with the Body Tambura on palliative care patients with special reference to pain. Materials and Methods: A prospective case study was carried out with patients of St. Joseph's Hospice for Dying Destitute in Dindigul/South India. Patients were treated with a treatment after baseline assessment and also on the next day. Outcomes were measured quantitatively by using a numeric rating scale (0–10, 10 maximum intensity of pain felt) at baseline, directly after treatment, and the day after the treatment to determine the intensity of the pain. Results: Ten patients (five women and five men) participated in the study. The majority described the therapy as a pleasant experience. The pain intensity at baseline was reduced from 8.3 ± standard deviation (SD) 1.16 to 4.6 ± 1.52 at day 1 and from 4.6 ± 2.07 to 2.4 ± 1.58 at day 2. Conclusion: A clinically relevant pain reduction was described as short time outcome; the therapy was received and perceived well. Forthcoming research should include a control group, randomization, a larger number of participants, and a longer period of treatment.
Collapse
Affiliation(s)
- Cordula Dietrich
- Private Practice for Psychotherapy, Musictherapy, Relaxationtherapy, Berlin, Germany
| | - M Teut
- Institute for Social Medicine, Epidemiology and Health Economics, Charité Universitätsmedizin, Berlin, Germany
| | - Kakuko Lopoyetum Samwel
- Department of Co-operation, Faculty of Rural Social Sciences, Gandhigram Rural University, Gandhigram, Dindigul, Tamil Nadu, India
| | - S Narayanasamy
- Department of Gandhian Thought and Peace Science, Gandhigram Rural University, Gandhigram, Dindigul, Tamil Nadu, India
| | - T Rathapillil
- Founder and Director of St. Joseph's Hospice/Dindigul, Dindigul, Tamil Nadu, India
| | - G Thathews
- Saghaya Annai Church, Salaigramam, Sivagangai, Tamil Nadu, India
| |
Collapse
|
8
|
Chee D, Narayanasamy S, Clinton D, Nerlekar N. Visible age-related signs in a patient presenting with a myocardial infarction. Heart Lung Circ 2015. [DOI: 10.1016/j.hlc.2015.06.190] [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: 11/28/2022]
|