1
|
Sandhya CS, Ramesh S, Prasad NT, Murthy KNVV, Gobichandhru D, Murugesan M, Vedachalam N, Ramadass GA. Design and Development of Human Metabolic Simulator for a Deepwater Manned Submersible. CURR SCI INDIA 2022. [DOI: 10.18520/cs/v122/i2/187-194] [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: 11/15/2022]
|
2
|
Murugesan M. New distribution records of two little known plant species, Hedychium longipedunculatum A.R.K. Sastry & D.M. Verma (Zingiberaceae) and Mazus dentatus Wall. ex Benth. (Scrophulariaceae), from Meghalaya, India. J Threat Taxa 2021. [DOI: 10.11609/jott.6934.13.6.18675-18678] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
The present paper deals with the two new report of little known species Hedychium longipedunculatum A.R.K. Sastry & D.M. Verma (Zingiberaceae) and Mazus dentatus Wall. ex Benth. (Scrophulariaceae) in Meghalaya. Photographic illustration, citation, detailed description along with distribution details and ecology were provided here for easy identification and future reference.
Collapse
|
3
|
Subba Rao T, Murthy PS, Veeramani P, Narayanan DS, Ramesh R, Jyothi BN, Muthukumaran D, Murugesan M, Vadivelan A, Dharani G, Santhanakumar J, Ramadass GA. Assessment of biogrowth assemblages with depth in a seawater intake system of a coastal power station. Biofouling 2021; 37:506-520. [PMID: 34139900 DOI: 10.1080/08927014.2021.1933457] [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: 02/06/2021] [Revised: 05/14/2021] [Accepted: 05/14/2021] [Indexed: 06/12/2023]
Abstract
Marine biogrowth infestation of a seawater intake system was investigated. A digital camera fixed onto a skid was used to record the biogrowth at intervals of 5 m up to a depth of 55 m. Divers inspected the intake shaft and collected the biogrowth samples for biomass estimation. A biomass density of 7.5 kg m-2 and 28.2 kg m-2 was recorded at 5 and 30 m depths respectively. Inspection by the divers revealed that hard-shelled organisms such as oysters and brown and green mussels were observed in plenty up to a thickness of 15 cm and bryozoans grew as epibionts. At lower depths (<40 m), hydroids grew on the shells of green mussels along with silt accumulation. The biofouling community was composed of 46 organisms, exhibiting variation in distribution and abundance. The study explains the extent and type of marine biogrowth phenomena with depth and describes biofouling preventive methods.Supplemental data for this article is available online at https://doi.org/10.1080/08927014.2021.1933457 .
Collapse
Affiliation(s)
- T Subba Rao
- Biofouling & Thermal Ecology Section, Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, India
- Homi Bhabha National Institute, Mumbai, India
| | - P S Murthy
- Biofouling & Thermal Ecology Section, Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, India
- Homi Bhabha National Institute, Mumbai, India
| | - P Veeramani
- Biofouling & Thermal Ecology Section, Water & Steam Chemistry Division, Bhabha Atomic Research Centre Facilities, Kalpakkam, India
| | - D S Narayanan
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - R Ramesh
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - B N Jyothi
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - D Muthukumaran
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - M Murugesan
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - A Vadivelan
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| | - G Dharani
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, India
| | - J Santhanakumar
- Marine Biotechnology Division, National Institute of Ocean Technology, Chennai, India
| | - G A Ramadass
- Deep Sea Technology Group, National Institute of Ocean Technology, Chennai, India
| |
Collapse
|
4
|
Abstract
Cyber security plays a significant role in science. Data or information security is one of the crucial issues facing the world, when there is discussion about the rapidly growing cyber-crimes, the government and many corporations are taking many steps to stop such crimes. Driven by several different measures, cybercrime continues to expand day by day. In this review, the problems confronting cyber security from emerging technological advances and developments are briefly discussed and, in turn, the paper also reflects on the newest cyber security technologies, trends and other ethics throughout the cyber security field.
Collapse
|
5
|
Chellaiya GK, Murugesan M, Nayanar SK. A Study on Influence of Donor Hematocrit on the Procedural Parameters of Concentrated Single Donor Platelets Collected by Two Apheresis Devices. Indian J Hematol Blood Transfus 2020; 36:135-140. [PMID: 32158096 DOI: 10.1007/s12288-019-01163-0] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2019] [Indexed: 11/25/2022] Open
Abstract
With improvements in apheresis collection, platelet additive solution (PAS) is steadily replacing plasma as the storage medium in single donor platelets (SDP). Concentrating platelets in SDP with one-third of plasma and two-thirds of PAS is referred as Concentrated-SDP (C-SDP). We studied the influence of donor hematocrit (Hct) in C-SDP procedures. A retrospective study, consisting of 124 and 95 plateletpheresis donors in MCS+ and Trima respectively. We compared two apheresis equipments MCS+ and Trima with regard to donor hematocrit on procedural parameters such as collection efficiency (CE), collection rate (CR), yield per hour (Y/H), yield per litre (Y/L) and percentage blood volume processed (%BV) during C-SDP procedures. Donors were categorized into two groups with Group A (Hct ≤ 46%) and Group B (Hct > 46%) based on mean baseline Hct of the study population. Among the 219 procedures, the overall CE was significantly higher for Trima over MCS+ equipment (77 vs 56, P < 0.001). However, there was no difference in procedural outcomes like CE, Y/L, Y/H, CR with MCS+ or Trima equipment between groups. %BV processed had a negative correlation with hematocrit in MCS+ (r = - 0.305, P = 0.001) and no difference was observed with Trima equipment. Donor Hct influences C-SDP collection only in processed blood volume with MCS+ equipment. Trima had statistically better performance over MCS+ equipments in all procedural parameters during C-SDP procedures. The data will guide apheresis centre to choose equipments based on donor characteristics.
Collapse
Affiliation(s)
- Gayathiri K Chellaiya
- 1Department of Transfusion Medicine, Malabar Cancer Centre, Thalassery, Kerala India
| | - M Murugesan
- 1Department of Transfusion Medicine, Malabar Cancer Centre, Thalassery, Kerala India
| | - Sangeetha K Nayanar
- 2Department of Oncopathology, Malabar Cancer Centre, Thalassery, Kerala India
| |
Collapse
|
6
|
Murugesan M, Shringarpure K, Karthickeyan DSA, Nair CK, Nayanar SK, Venugopal V, Selvaraj K, Rathi P, Mehta KG, Deenathayalan V, Gayathiri KC. Clinical and equipment-related factors associated with the adequate peripheral blood stem cell collection in autologous transplant at a tertiary cancer center in Kerala - A retrospective cohort study. Transfus Apher Sci 2019; 58:457-463. [PMID: 31255504 DOI: 10.1016/j.transci.2019.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 05/01/2019] [Indexed: 11/16/2022]
Abstract
BACKGROUND PBSC collection using apheresis is the preferred source of hematopoietic stem cells transplantation. However, apheresis procedures fail to harvest adequate CD34 yield in 5 to 40% of patients during the first collection. Therefore, this study aimed to study both the clinical- and equipmentrelated factors influencing CD34 yield among the autologous patients and to compare the collection efficiency of two apheresis equipments(Haemonetics MCS+ and Terumo Spectra Optia). METHODS Retrospective analysis of 69 patients underwent PBSC collection from 2015 to 2018. Frequency, clinical- and equipment-related factors responsible for adequate CD34+ cells (≥2 x106 cells/kg) yield during the first collection was studied. Factors such as collection efficiency, percentage platelet loss and percentage hemoglobin loss were considered to compare the two apheresis system. RESULTS Two-third (72%) patients of the study population had adequate CD34 stem cells yield during the first collection. Factors such as exposure to lenalidomide-based pretreatment regimen, peripheral blood WBC count and CD34 count are associated with the adequate CD34 yield. Optia had a slightly better collection efficiency than MCS+ (50 and 44; p=0.37). Optia had lower product volume (237 vs 298 ml) and lesser procedure duration (277 vs 360 min), whereas the median Hb loss (3.0% and 2.3%) and mean platelet loss (49% and 34%) were higher with MCS. CONCLUSION This study infers that the collection efficiency of both the equipments in collecting CD34 stem cells was similar. However, during PBSC collection, procedures using Optia can be preferred to MCS+ on the patients with risk of anemia and thrombocytopenia.
Collapse
Affiliation(s)
- M Murugesan
- Dept. of Transfusion Medicine, Malabar Cancer Centre, Thalassery, Kerala, India.
| | | | | | - C K Nair
- Dept. of Clinical Hematology, Malabar Cancer Centre, Thalassery, Kerala, India
| | - S K Nayanar
- Dept. of Oncopathology, Malabar Cancer Centre, Thalassery, Kerala, India
| | - V Venugopal
- Dept. of Community Medicine, Sri Manakula Vinayagar Medical College, Puducherry, India
| | - K Selvaraj
- Dept. of Community Medicine, All India Institute of Medical Sciences, Nagpur, India
| | - P Rathi
- Dept. of Community Medicine, Kasturba Medical College, Mangalore, India
| | - K G Mehta
- Community Medicine Department, GMERS Medical college Gotri, Vadodara, India
| | | | - K C Gayathiri
- Dept. of Transfusion Medicine, Malabar Cancer Centre, Thalassery, Kerala, India
| |
Collapse
|
7
|
Eden CJ, Ju B, Murugesan M, Phoenix TN, Nimmervoll B, Tong Y, Ellison DW, Finkelstein D, Wright K, Boulos N, Dapper J, Thiruvenkatam R, Lessman CA, Taylor MR, Gilbertson RJ. Orthotopic models of pediatric brain tumors in zebrafish. Oncogene 2015; 34:1736-42. [PMID: 24747973 PMCID: PMC4205223 DOI: 10.1038/onc.2014.107] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2014] [Revised: 03/10/2014] [Accepted: 03/12/2014] [Indexed: 02/08/2023]
Abstract
High-throughput screens (HTS) of compound toxicity against cancer cells can identify thousands of potential new drug-leads. But only limited numbers of these compounds can progress to expensive and labor-intensive efficacy studies in mice, creating a 'bottle neck' in the drug development pipeline. Approaches that triage drug-leads for further study are greatly needed. Here we provide an intermediary platform between HTS and mice by adapting mouse models of pediatric brain tumors to grow as orthotopic xenografts in the brains of zebrafish. Freshly isolated mouse ependymoma, glioma and choroid plexus carcinoma cells expressing red fluorescence protein were conditioned to grow at 34 °C. Conditioned tumor cells were then transplanted orthotopically into the brains of zebrafish acclimatized to ambient temperatures of 34 °C. Live in vivo fluorescence imaging identified robust, quantifiable and reproducible brain tumor growth as well as spinal metastasis in zebrafish. All tumor xenografts in zebrafish retained the histological characteristics of the corresponding parent mouse tumor and efficiently recruited fish endothelial cells to form a tumor vasculature. Finally, by treating zebrafish harboring ERBB2-driven gliomas with an appropriate cytotoxic chemotherapy (5-fluorouracil) or tyrosine kinase inhibitor (erlotinib), we show that these models can effectively assess drug efficacy. Our data demonstrate, for the first time, that mouse brain tumors can grow orthotopically in fish and serve as a platform to study drug efficacy. As large cohorts of brain tumor-bearing zebrafish can be generated rapidly and inexpensively, these models may serve as a powerful tool to triage drug-leads from HTS for formal efficacy testing in mice.
Collapse
Affiliation(s)
- C J Eden
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - B Ju
- Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, Memphis, TN, USA
| | - M Murugesan
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - T N Phoenix
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - B Nimmervoll
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Y Tong
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - D W Ellison
- Department of Pathology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - D Finkelstein
- Department of Computational Biology and Bioinformatics, St Jude Children's Research Hospital, Memphis, TN, USA
| | - K Wright
- Department of Oncology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - N Boulos
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - J Dapper
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - R Thiruvenkatam
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - C A Lessman
- Department of Biological Sciences, University of Memphis, Memphis, TN, USA
| | - M R Taylor
- Department of Chemical Biology and Therapeutics, St Jude Children's Research Hospital, Memphis, TN, USA
| | - R J Gilbertson
- Department of Developmental Neurobiology, St Jude Children's Research Hospital, Memphis, TN, USA
| |
Collapse
|
8
|
Murugesan M, Ramasamy K, Shanmugam P. Pyrroloquinolines, Part III [1] Synthesis of lH-Pyrrolo(2,3-b)quinolines. Zeitschrift für Naturforschung B 2014. [DOI: 10.1515/znb-1980-0622] [Citation(s) in RCA: 3] [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
Abstract
A new route to synthesis of pyrrolo(2,3-b)quinolines is described based on the use of 2-chloro-3-vinylquinolines as well as 2-chloro-3-(1ʹ,2ʹ-dibromoethyl)quinolines.
Collapse
Affiliation(s)
- M. Murugesan
- Department of Chemistry, P. S. G. College of Arts and Science, Coimbatore-641014, India
| | - K. Ramasamy
- Department of Chemistry, Madras University Postgraduate Centre, Coimbatore-641041, India
| | - P. Shanmugam
- Department of Chemistry, Madras University Postgraduate Centre, Coimbatore-641041, India
| |
Collapse
|
9
|
Murugesan M, Arun P, Prusty B. The butterfly community of an urban wetland system - a case study of Oussudu Bird Sanctuary, Puducherry, India. J Threat Taxa 2013. [DOI: 10.11609/jott.o3056.4672-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
|
10
|
Kim JH, Song HB, Kim DH, Park KD, Kim JH, Kim JH, Lee BJ, Kim DH, Kim JH, Khatua S, Kalkan E, Brown R, Pearlman M, Vats T, Abela L, Fiaschetti G, Shalaby T, Grunder E, Ma M, Grahlert J, Baumgartner M, Siler U, Nonoguchi N, Ohgaki H, Grotzer M, Adachi JI, Suzuki T, Fukuoka K, Yanagisawa T, Mishima K, Koga T, Matsutani M, Nishikawa R, Sardi I, Giunti L, Bresci C, Cardellicchio S, Da Ros M, Buccoliero AM, Farina S, Arico M, Genitori L, Massimino M, Filippi L, Erdreich-Epstein A, Zhou H, Ren X, Schur M, Davidson TB, Ji L, Sposto R, Asgharzadeh S, Tong Y, White E, Murugesan M, Nimmervoll B, Wang M, Marino D, Ellison D, Finkelstein D, Pounds S, Malkin D, Gilbertson R, Eden C, Ju B, Murugesan M, Phoenix T, Poppleton H, Lessman C, Taylor M, Gilbertson R, Sardi I, la Marca G, Cardellicchio S, Da Ros M, Malvagia S, Giunti L, Fratoni V, Farina S, Arico M, Genitori L, Massimino M, Giovannini MG, Giangaspero F, Badiali M, Gleize V, Paris S, Moi L, Elhouadani S, Arcella A, Morace R, Antonelli M, Buttarelli F, Mokhtari K, Sanson M, Smith S, Ward J, Wilson M, Rahman C, Rose F, Peet A, Macarthur D, Grundy R, Rahman R, Venkatraman S, Birks D, Balakrishnan I, Alimova I, Harris P, Patel P, Foreman N, Vibhakar R, Wu H, Zhou Q, Wang D, Wang G, Dang D, Pencreach E, Nguyen A, Guerin E, Lasthaus C, Guenot D, Entz-Werle N, Unland R, Schlosser S, Farwick N, Plagemann T, Richter G, Juergens H, Fruehwald M, Chien CL, Lee YH, Lin CI, Hsieh JY, Lin SC, Wong TT, Ho DMT, Wang HW, Lagah S, Tan IL, Malcolm S, Grundy R, Rahman R, Majani Y, Smith S, Grundy R, Rahman R, van Vuurden DG, Aronica E, Wedekind LE, Hulleman E, Biesmans D, Bugiani M, Vandertop WP, Kaspers GJL, Wurdinger T, Noske DP, Van der Stoop PM, van Vuurden DG, Shukla S, Wedekind LE, Kuipers GK, Hulleman E, Noske DP, Wurdinger T, Vandertop WP, Slotman BJ, Kaspers GJL, Cloos J, Sun T, Warrington N, Luo J, Ganzhorn S, Tabori U, Druley T, Gutmann D, Rubin J, Castelo-Branco P, Choufani S, Mack S, Galagher D, Zhang C, Lipman T, Zhukova N, Martin D, Merino D, Wasserman J, Samuel C, Alon N, Hitzler J, Wang JCY, Malkin D, Keller G, Dirks PB, Pfister S, Taylor MD, Weksberg R, Tabori U, Leblond P, Meignan S, Dewitte A, Le Tinier F, Wattez N, Lartigau E, Lansiaux A, Hanson R, Gordon I, Zhao S, Camphausen K, Warren K, Warrington NM, Sun T, Gutmann DH, Rubin JB, Nguyen A, Lasthaus C, Jaillet M, Pencreach E, Guerin E, Guenot D, Entz-Werle N, Kovacs Z, Martin-Fiori E, Shalaby T, Grotzer M, Bernasconi M, Werner B, Dyberg C, Baryawno N, Milosevic J, Wickstrom M, Northcott PA, Taylor MD, Kool M, Kogner P, Johnsen JI, Wilson M, Reynolds G, Davies N, Arvanitis T, Peet A, Zoghbi A, Meisterernst M, Fruehwald MC, Kerl K, Orr B, Haffner M, Nelson W, Yegnasubramanian S, Eberhart C, Fotovati A, Abu-Ali S, Wang PS, Deleyrolle L, Lee C, Triscott J, Chen J, Franciosi S, Nakamura Y, Sugita Y, Uchiumi T, Kuwano M, Leavitt B, Singh S, Jury A, Jones C, Wakimoto H, Reynolds B, Pallen C, Dunn S, Fletcher S, Levine J, Li M, Kagawa N, Hirayama R, Chiba Y, Kijima N, Arita H, Kinoshita M, Hashimoto N, Izumoto S, Maruno M, Yoshimine T. BIOLOGY. Neuro Oncol 2012; 14:i7-i15. [PMCID: PMC3483341 DOI: 10.1093/neuonc/nos095] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/24/2023] Open
|
11
|
Zaghloul M, Elbeltagy M, Mousa A, Eldebawy E, Amin A, Pavelka Z, Vranova V, Valaskova I, Tomasikova L, Oltova A, Ventruba J, Mackerle Z, Kren L, Skotakova J, Zitterbart K, Sterba J, Milde T, Kleber S, Korshunov A, Witt H, Hielscher T, Koch P, Koch HG, Jugold M, Deubzer HE, Oehme I, Lodrini M, Grone HJ, Benner A, Brustle O, Gilbertson RJ, von Deimling A, Kulozik AE, Pfister SM, Ana MV, Witt O, Milde T, Hielscher T, Witt H, Kool M, Mack SC, Deubzer HE, Oehme I, Lodrini M, Benner A, Taylor MD, von Deimling A, Kulozik AE, Pfister SM, Witt O, Korshunov A, Fouyssac F, Schmitt E, Mansuy L, Marchal JC, Coffinet L, Bernier V, Chastagner P, Sperl D, Zacharoulis S, Massimino M, Schiavello E, Pizer B, Piette C, Kitanovski L, von Hoff K, Quehenberger F, Rutkowski S, Benesch M, Tzaridis TD, Witt H, Milde T, Bender S, Pfaff E, Barbus S, Bageritz J, Jones DTW, Kulozik A, Lichter P, Korshunov A, Witt O, Pfister SM, Song SH, Kang CW, Kim SH, Bandopadhayay P, Ullrich N, Goumnerova L, Scott RM, Silvera VM, Ligon KL, Marcus KJ, Robison N, Manley PE, Chi S, Kieran MW, Schiavello E, Biassoni V, Pierani P, Cesaro S, Maura M, Witt H, Mack S, Jager N, Jones DTW, Bender S, Stutz A, Milde T, Northcott PA, Fults DW, Gupta N, Karajannis M, Kulozik AE, von Deimling A, Witt O, Rutka JT, Lichter P, Korbel J, Korshunov A, Taylor MD, Pfister SM, de Rezende ACP, Chen MJ, da Silva NS, Cappellano A, Cavalheiro S, Weltman E, Currle S, Thiruvenkatam R, Murugesan M, Kranenburg T, Phoenix T, Gupta K, Gilbertson R, Rogers H, Kilday JP, Mayne C, Ward J, Adamowicz-Brice M, Schwalbe E, Clifford S, Coyle B, Grundy R, Rogers H, Mayne C, Kilday JP, Coyle B, Grundy R, Kilday JP, Mitra B, Domerg C, Ward J, Andreiuolo F, Osteso-Ibanez T, Mauguen A, Varlet P, Le Deley MC, Lowe J, Ellison DW, Gilbertson RJ, Coyle B, Grill J, Grundy RG, Fleischhack G, Pajtler K, Zimmermann M, Rutkowski S, Warmuth-Metz M, Kortmann RD, Pietsch T, Faldum A, Bode U, Gandola L, Pecori E, Scarzello G, Barra S, Mascarin M, Scoccianti S, Mussano A, Garre ML, Jacopo S, Pierani P, Viscardi E, Balter R, Bertin D, Giangaspero F, Massimino M, Pearlman M, Khatua S, Van Meter T, Koul D, Yung A, Paulino A, Su J, Dauser R, Whitehead W, Teh B, Chintagumpala M, Perek D, Drogosiewicz M, Filipek I, Polnik MP, Baginska BD, Wachowiak J, Kazmierczak B, Sobol G, Musiol K, Kowalczyk J, Slusarz HW, Peregud-Pogorzelski J, Grajkowska W, Roszkowski M, Teo WY, Chintagumpala M, Okcu F, Dauser R, Mahajan A, Adesina A, Whitehead W, Jea A, Bollo R, Paulino AC, Velez-Char N, Doerner E, Muehlen AZ, Vladimirova V, Warmuth-Metz M, Kortmann R, von Hoff K, Friedrich C, Rutkowski S, von Bueren AO, Pietsch T, Barszczyk M, Buczkowicz P, Morrison A, Tabori U, Hawkins C, Krajewski K, von Hoff K, Kammler G, Friedrich C, von Bueren A, Kortmann RD, Krauss J, Warmuth-Metz M, Rutkowski S, Ferreira C, Dieffenbach G, Barbosa C, Cuny P, Grill J, Piccinin E, Massimino M, Giangaspero F, Brenca M, Lorenzetto E, Sardi I, Genitori L, Pollo B, Bertin D, Maestro R, Modena P, MacDonald S, Ebb D, Lavally B, Yeap B, Marcus K, Tarbell N, Yock T, Schittone S, Donson A, Birks D, Amani V, Griesinger A, Handler M, Madey M, Merchant T, Foreman N, Hukin J, Ailon T, Dunham C, Carret AS, Tabori U, McNeely PD, Zelcer S, Wilson B, Lafay-Cousin L, Johnston D, Eisenstat D, Silva M, Jabado N, Yip S, Goddard K, Fryer C, Hendson G, Hawkins C, Dunn S, Singhal A, Lassen-Ramshad Y, Vestergaard A, Seiersen K, Schultz HP, Hoeyer M, Petersen JB, Moreno L, Popov S, Jury A, Al Sarraj S, Jones C, Zacharoulis S, Bowers D, Gargan L, Horton CJ, Rakheja D, Margraf L, Yeung J, Hamilton R, Okada H, Jakacki R, Pollack I, Fleming A, Jabado N, Saint-Martin C, Freeman C, Albrecht S, Montes JL. EPENDYMOMA. Neuro Oncol 2012; 14:i33-i42. [PMCID: PMC3483345 DOI: 10.1093/neuonc/nos099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023] Open
|
12
|
Murugesan M, Balasubramaniam V, Nagarajan N. Description of two new species of the genus Fimbristylis Vahl. (Cyperaceae) from Velliangiri Hills, Nilgiri Biosphere Reserve, India. J Threat Taxa 2010. [DOI: 10.11609/jott.o2422.1379-81] [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: 11/27/2022] Open
|
13
|
Karthikeyan R, Sathish Kumar K, Murugesan M, Berchmans S, Yegnaraman V. Bioelectrocatalysis of Acetobacter aceti and Gluconobacter roseus for current generation. Environ Sci Technol 2009; 43:8684-8689. [PMID: 20028071 DOI: 10.1021/es901993y] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Acetobacter aceti and Gluconobacter roseus, which are known to be responsible for the spoilage of wine, are used for current generation in batch-type microbial biofuel cells and it has been shown for the first time that these two microorganisms do not require mediators for the transfer of electrons to the anode. Three biofuel cells were constructed with two cells containing the pure cultures of each of the microorganisms as the biocatalyst (A-MFC, G-MFC) and the third cell was constructed with the mixed culture of these two microorganisms as the biocatalyst (AG-MFC). The performance of the biofuel cells was evaluated in terms of open circuit voltage (OCV), fuel consumption rate, internal resistance, power output, and coulombic efficiency. The mixed culture cell (AG-MFC) exhibits a better overall performance compared to the other cells.
Collapse
Affiliation(s)
- R Karthikeyan
- Electrodics and Electro Catalysis Division, CSIR-CECRI, Central Electrochemical Research Institute, Karaikudi-630 006, India
| | | | | | | | | |
Collapse
|
14
|
Prasad D, Arun S, Murugesan M, Padmanaban S, Satyanarayanan RS, Berchmans S, Yegnaraman V. Direct electron transfer with yeast cells and construction of a mediatorless microbial fuel cell. Biosens Bioelectron 2007; 22:2604-10. [PMID: 17129722 DOI: 10.1016/j.bios.2006.10.028] [Citation(s) in RCA: 107] [Impact Index Per Article: 6.3] [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: 05/20/2006] [Revised: 10/17/2006] [Accepted: 10/23/2006] [Indexed: 10/23/2022]
Abstract
The direct electron transfer exhibited by the yeast cells, Hansenula anomala has been demonstrated using the electrochemical technique cyclic voltammetry by immobilizing the microorganisms by two different methods viz., physical adsorption and covalent linkage. The analysis of redox enzymes present in the outer membrane of the microorganisms has been carried out in this work. This paper demonstrates that yeast cells with redox enzymes present in their outer membrane are capable of communicating directly with the electrode surface and contribute to current generation in a mediatorless biofuel cells. The efficiency of current generation has been evaluated using three anode materials.
Collapse
Affiliation(s)
- D Prasad
- Central Electrochemical Research Institute, Karaikudi, Tamilnadu, India
| | | | | | | | | | | | | |
Collapse
|
15
|
Murugesan M, Courtauld E, Fisher C, Nathan S. Renal capsular PEComa--a rare cause of surgically correctable renal hypertension. Int Urol Nephrol 2007; 39:705-7. [PMID: 17318350 DOI: 10.1007/s11255-006-9085-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 06/24/2006] [Accepted: 07/18/2006] [Indexed: 11/27/2022]
Abstract
We report a 40-year-old lady who presented with severe headaches, persistent microscopic haematuria and hypertension requiring anti-hypertensive medication. Investigations for secondary hypertension were all normal except for a CT scan. This indicated a complex cystic lesion, measuring 2.4 x 5 x 10 cms , arising from the right kidney. She underwent an open right partial nephrectomy. The patient made an un-eventful postoperative recovery and her blood pressure returned to normal. The mass had a smooth outer surface and the cut surface showed firm whitish tissue with a few small cysts. Microscopy showed a bland spindle cell lesion staining positively for SMA, desmin, caldesmon, focally for HMB45 amd very focally for S100. The mass was reported as a Perivascular Epitheloid Cell (PEC) lesion (PEComa) arising from the renal capsule. Perivascular Epitheloid Cell tumor (PEComa), a recently defined tumor, is extremely rare. The lesion presents a distinct muscular immunophenotype (actin+, desmin+), with co-expression of the melanogenesis marker (HMB45). This combined immunophenotype is a characteristic feature of the Perivascular Epitheloid Cell (PEC) lesions. PEComa's are usually benign, but cases have been reported in the literature which has an unfavourable outcome with metastatic dissemination. We report this case because of its rarity and also Renal Capsular PEComa should be considered as a rare cause of renal hypertension, which can be surgically cured.
Collapse
|
16
|
|
17
|
|
18
|
Sivakumar A, Murugesan M. Ethnobotanical studies on the wild edible plants used by the tribals of anaimalai hills, the Western ghats. Anc Sci Life 2005; 25:69-73. [PMID: 22557195 PMCID: PMC3330904] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2005] [Accepted: 06/10/2005] [Indexed: 12/03/2022] Open
Abstract
The present paper deals with the results of a preliminary survey of the wild edible plants used by different ethnic groups in the Anaimalai hills of the Western Ghats in Coimbatore district. Tribals of various ethnic groups dominate the wooded habitat of this hilly region. About 53 plants species belonging to 32 families are used as edible by the tribes. Of these, the leaves of 25 plant species are consumed as green and about 20 wild fruits are consumed raw. The rest of the plant species are used for their tubers, seeds and roots. The plant species, their families, vernacular names, parts used and their mode of usage were also reported.
Collapse
Affiliation(s)
- A. Sivakumar
- P.G and Research Department of Botany, Kongunadu Arts and Science College, Coimbatore-641 029, India
| | - M. Murugesan
- P.G and Research Department of Botany, Kongunadu Arts and Science College, Coimbatore-641 029, India
| |
Collapse
|
19
|
Balasubramaniam V, Murugesan M. A note on the commercially exploited medicinal plnts of the velliangiri hills, Coimbatore district, tamilnadu. Anc Sci Life 2004; 23:9-12. [PMID: 22557126 PMCID: PMC3330971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2003] [Accepted: 01/02/2004] [Indexed: 11/13/2022] Open
Abstract
Velliangiri hills is inhabited by many indigenous people mostly depending on ethnobotanical resources. Totally 41 species are found to be commercially exploited for medicines by these peoples. The pressure of commercial exploitation is seriously endangering many species.
Collapse
Affiliation(s)
- V. Balasubramaniam
- PG and Research Department of Botany, Kongunadu Arts and Science College Coimbatore – 641 029, India
| | - M. Murugesan
- PG and Research Department of Botany, Kongunadu Arts and Science College Coimbatore – 641 029, India
| |
Collapse
|
20
|
Selvakumari G, Murugesan M, Pattabi S, Sathishkumar M. Treatment of electroplating industry effluent using maize cob carbon. Bull Environ Contam Toxicol 2002; 69:195-202. [PMID: 12107695 DOI: 10.1007/s00128-002-0047-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Affiliation(s)
- G Selvakumari
- Department of Chemistry, Coimbatore Institute of Technology, Coimbatore 14, TN, India
| | | | | | | |
Collapse
|
21
|
Subrahmanyam S, Shanmugam K, Madhav VM, Murugesan M, Subramanian TV, Jeyakumar D. Voltammetric Studies ofAspergillus niger. Assessmentof Their Growth Using Electroactive ExtracellularProduction of Metabolite. ELECTROANAL 2001. [DOI: 10.1002/1521-4109(200108)13:12<1051::aid-elan1051>3.0.co;2-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|
22
|
Subrahmanyam S, Shanmugam K, Subramanian TV, Murugesan M, Madhav VM, Jeyakumar D. Development of Electrochemical Microbial Biosensor for Ethanol Based onAspergillus niger. ELECTROANAL 2001. [DOI: 10.1002/1521-4109(200107)13:11<944::aid-elan944>3.0.co;2-d] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
23
|
Subrahmanyam S, Shanmugam K, Madhav VM, Murugesan M, Subramanian TV, Jeyakumar D. Assessment of growth of Fusarium solani by cyclic voltammetry and possible bioanalytical applications. Analyst 2000; 125:2166-8. [PMID: 11219046 DOI: 10.1039/b008342i] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Fusarium solani, the fungus isolated from polyurethane waste scraps, was studied for its voltammetric response. The peak current values were obtained for different days and were plotted against time. This electrochemical method based on the voltammetric response showed all the four phases of the growth of the fungus. The growth curve obtained matched well with the conventional methodology, which is obtained by assessing the increase of dry weight of the organisms against time. The electrochemical method is more advantageous than the conventional method because the conventional method is very time consuming and difficult to work with. Further, the electrochemical method clearly shows the decline phase, which is generally not very well defined in the conventional method of assessment of the growth curve. It was confirmed by further experiments that the metabolites were responsible for the anodic peak and not the fungal biomass. Identification of the metabolites that are responsible for the anodic peak is presently being studied.
Collapse
Affiliation(s)
- S Subrahmanyam
- Department of Chemical Engineering, Alagappa College of Technology, Anna University, Madras 600 025, Tamil Nadu State, India.
| | | | | | | | | | | |
Collapse
|
24
|
Abstract
Concentration dependent morphological characteristics of a novel dipeptide derivative Lys-Asp-Lauryl.HBr (1) has been presented. Evidence for "onion" like vesicle formation at higher concentration (>8.2 x 10(-3) M) of peptide (1) in aqueous medium was obtained from conductance and 90 degrees light scattering measurements, and cryo-transmission electron microscopic studies.
Collapse
Affiliation(s)
- R Jayakumar
- Bioorganic Laboratory, Central Leather Research Institute, Adyar, Chennai, India
| | | | | |
Collapse
|
25
|
Abstract
The tetrapeptide derivative Tyr-Gly-Phe-Ala-OBz (1) forms monolayers as confirmed by compressibility studies carried out at various temperatures. Peptide 1 monolayer exhibits an anomalous structural transition at 40 degrees C as evidenced by pi-A isotherms recorded at different temperatures. The structural transition is also observed in aqueous solution of trifluoroacetate of peptide 1 as evidenced by fluorescence and Raman scattering intensity measurements.
Collapse
Affiliation(s)
- R Jayakumar
- Bioorganic Laboratory, Central Leather Research Institute, Adyar, Chennai, India
| | | |
Collapse
|
26
|
Sangeetha S, Sugandhi G, Murugesan M, Murali Madhav V, Berchmans S, Rajasekar R, Rajasekar S, Jeyakumar D, Prabhakar Rao G. Torulopsis candida based sensor for the estimation of biochemical oxygen demand and its evaluation. ELECTROANAL 1996. [DOI: 10.1002/elan.1140080718] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
|
27
|
Murugesan M, Gupta LC, Pinto R, Sharon M, Vijayaraghavan R. Strong rare-earth size dependence of Tc in RSr2Cu2.85Re0.15Oz. Phys Rev B Condens Matter 1996; 53:8604-8607. [PMID: 9982370 DOI: 10.1103/physrevb.53.8604] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
|
28
|
Christodoulou D, Kudo S, Cook JA, Krishna MC, Miles A, Grisham MB, Murugesan M, Ford PC, Wink DA. Electrochemical methods for detection of nitric oxide. Methods Enzymol 1996; 268:69-83. [PMID: 8782574 DOI: 10.1016/s0076-6879(96)68010-0] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- D Christodoulou
- Laboratory of Comparative Carcinogenesis, National Cancer Institute, Frederick Cancer Research and Development Center, Maryland 21702, USA
| | | | | | | | | | | | | | | | | |
Collapse
|
29
|
Murugesan M, Soundararajan N, Ramasamy K, Shanmugam P. Pyrroloquinolines; Part II1. Synthesis of 1H-Pyrrolo[2,3-b]quinolines. SYNTHESIS-STUTTGART 1979. [DOI: 10.1055/s-1979-28677] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|