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Abayasinghe NK, Perera KPU, Thomas C, Daly A, Suresh S, Burg K, Harrison GM, Smith DW. Amido-modified polylactide for potential tissue engineering applications. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2012; 15:595-606. [PMID: 15264661 DOI: 10.1163/156856204323046861] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Poly(ester amide) copolymers based on L-lactide (2) and a new depsipeptide (1) were prepared by ring opening polymerization in the presence of Sn(Oct)2 as the catalyst. Variable monomer feed ratios up to 2.3 mol% 1 afforded copolymers containing ester and amido functional groups in the backbone. Lower glass transition temperatures and reduced crystallization kinetics and crystallinity compared to homo-polylactide (PLA) was achieved with low levels of amido incorporation. A reactivity comparison between enchainment of 2 and 1 was determined using in situ infrared spectroscopy. An increase in shear viscosity was observed with the increase of 1 content as determined by rheology studies. Cellular compatibility of the co-polymers was investigated by seeding D1 mouse stem cells onto films and characterizing cell morphology by optical microscopy. Preliminary results indicate that these novel materials exhibit reduced cell attachment compared to PLA and, pending further exploration, may have potential use in biomedical applications.
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Budy SM, Suresh S, Foulger SH, Smith DW. Perfluorinated polymer colloids: Controlling the size, shape, and surface charge. J Colloid Interface Sci 2012; 371:42-5. [DOI: 10.1016/j.jcis.2012.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2011] [Revised: 01/03/2012] [Accepted: 01/04/2012] [Indexed: 11/30/2022]
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Sateesh Babu G, Suresh S. Meta-cognitive Neural Network for classification problems in a sequential learning framework. Neurocomputing 2012. [DOI: 10.1016/j.neucom.2011.12.001] [Citation(s) in RCA: 92] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Suresh S, Srivastava VC, Mishrab IM. Adsorptive removal of aniline by granular activated carbon from aqueous solutions with catechol and resorcinol. ENVIRONMENTAL TECHNOLOGY 2012; 33:773-781. [PMID: 22720400 DOI: 10.1080/09593330.2011.592228] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
In the present paper, the removal of aniline by adsorption process onto granular activated carbon (GAC) is reported from aqueous solutions containing catechol and resorcinol separately. The Taguchi experimental design was applied to study the effect of such parameters as the initial component concentrations (C(0,i)) of two solutes (aniline and catechol or aniline and resorcinol) in the solution, temperature (T), adsorbent dosage (m) and contact time (t). The L27 orthogonal array consisting of five parameters each with three levels was used to determine the total amount of solutes adsorbed on GAC (q(tot), mmol/g) and the signal-to-noise ratio. The analysis of variance (ANOVA) was used to determine the optimum conditions. Under these conditions, the ANOVA shows that m is the most important parameter in the adsorption process. The most favourable levels of process parameters were T = 303 K, m = 10 g/l and t = 660 min for both the systems, qtot values in the confirmation experiments carried out at optimum conditions were 0.73 and 0.95 mmol/g for aniline-catechol and aniline-resorcinol systems, respectively.
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Savitha R, Suresh S, Sundararajan N. Fast learning Circular Complex-valued Extreme Learning Machine (CC-ELM) for real-valued classification problems. Inf Sci (N Y) 2012. [DOI: 10.1016/j.ins.2011.11.003] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Mahanand BS, Suresh S, Sundararajan N, Aswatha Kumar M. Identification of brain regions responsible for Alzheimer's disease using a Self-adaptive Resource Allocation Network. Neural Netw 2012; 32:313-22. [PMID: 22391013 DOI: 10.1016/j.neunet.2012.02.035] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2011] [Revised: 01/03/2012] [Accepted: 02/07/2012] [Indexed: 11/16/2022]
Abstract
In this paper, we present a novel approach for the identification of brain regions responsible for Alzheimer's disease using the Magnetic Resonance (MR) images. The approach incorporates the recently developed Self-adaptive Resource Allocation Network (SRAN) for Alzheimer's disease classification using voxel-based morphometric features of MR images. SRAN classifier uses a sequential learning algorithm, employing self-adaptive thresholds to select the appropriate training samples and discard redundant samples to prevent over-training. These selected training samples are then used to evolve the network architecture efficiently. Since, the number of features extracted from the MR images is large, a feature selection scheme (to reduce the number of features needed) using an Integer-Coded Genetic Algorithm (ICGA) in conjunction with the SRAN classifier (referred to here as the ICGA-SRAN classifier) have been developed. In this study, different healthy/Alzheimer's disease patient's MR images from the Open Access Series of Imaging Studies data set have been used for the performance evaluation of the proposed ICGA-SRAN classifier. We have also compared the results of the ICGA-SRAN classifier with the well-known Support Vector Machine (SVM) and Extreme Learning Machine (ELM) classifiers. The study results clearly show that the ICGA-SRAN classifier produces a better generalization performance with a smaller number of features, lower misclassification rate and a compact network. The ICGA-SRAN selected features clearly indicate that the variations in the gray matter volume in the parahippocampal gyrus and amygdala brain regions may be good indicators of the onset of Alzheimer's disease in normal persons.
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Savitha R, Suresh S, Sundararajan N, Kim H. A fully complex-valued radial basis function classifier for real-valued classification problems. Neurocomputing 2012. [DOI: 10.1016/j.neucom.2011.05.036] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Prasad B, Suresh S. Biodegradation of Dimethyl Phthalate, Diethyl Phthalate, Dibutyl Phthalate and Their Mixture by VariovoraxSp. ACTA ACUST UNITED AC 2012. [DOI: 10.7763/ijesd.2012.v3.232] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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209
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Suresh S, Sundararajan N. An on-line learning neural controller for helicopters performing highly nonlinear maneuvers. Appl Soft Comput 2012. [DOI: 10.1016/j.asoc.2011.08.036] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Devaki T, Rao VN, Suresh S, Srinivas P, Viswanath V. Evaluation of the efficacy of two desensitising products among 20 - 40 year old people- A parallel designed randomized control Trial. JOURNAL OF INDIAN ASSOCIATION OF PUBLIC HEALTH DENTISTRY 2012. [DOI: 10.4103/2319-5932.167710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
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Suresh S, Chandrasekar M, Selvakumar P, Page T. Experimental studies on heat transfer and friction factor characteristics of Al 2O3/water nanofluid under laminar flow with spiralled rod inserts. ACTA ACUST UNITED AC 2012. [DOI: 10.1504/ijnp.2012.044496] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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212
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Sriraam N, Vijayalakshmi S, Suresh S. Computer-Aided Fetal Cardiac Scanning using 2D Ultrasound. ACTA ACUST UNITED AC 2012. [DOI: 10.4018/ijbce.2012010101] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Fetal heart biometry is an indicator for providing information about the presence of heart chambers, their growth, and well being. As a clinical routine, ultrasonic scanning based fetal biometry is performed during the second trimester by skilled specialists. Such procedures are often considered tedious and time consuming. Detection of congenital heart abnormalities, such as septal defects, affects the proper functioning of the heart during the growth of the fetus, and such defects can be identified if the fetal heart structure and its features like size, shape, and symmetry are monitored. Recently, attempts have been made to provide computer-aided automated procedure where the performance depends on the efficacy of the developed algorithms. This work focuses on computer aided automated fetal cardiac scanning using 2-D ultrasonic imaging from fetal heart biometry. The process involves extracting frames from the cine-loop sequences followed by removal of noise using morphological filters. The chamber region is recognized by introducing automated region of interest (ROI). Experimental simulation study demonstrates the efficiency of algorithm in detecting the shape of each chamber. The identified chamber shape will further facilitate in automated measurement of fetal heart chamber and thus reduces the qualitative visualization errors.
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Philippe J, Suvarnalatha G, Sankar R, Suresh S. Kessane in the Indian Celery Seed Oils. JOURNAL OF ESSENTIAL OIL RESEARCH 2011. [DOI: 10.1080/10412905.2002.9699852] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Urquhart DS, Orme J, Suresh S. P27 Undergraduate sleep medicine teaching in UK medical schools: A questionnaire survey. Thorax 2011. [DOI: 10.1136/thoraxjnl-2011-201054c.27] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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216
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Suresh S, Kannan KS. Identifying Outliers in Fuzzy Time Series. JOURNAL OF MODERN APPLIED STATISTICAL METHODS 2011. [DOI: 10.22237/jmasm/1320121740] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Suresh S, Venkitaraj K, Selvakumar P, Chandrasekar M. Synthesis of Al2O3–Cu/water hybrid nanofluids using two step method and its thermo physical properties. Colloids Surf A Physicochem Eng Asp 2011. [DOI: 10.1016/j.colsurfa.2011.08.005] [Citation(s) in RCA: 435] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Santhiyakumari N, Rajendran P, Madheswaran M, Suresh S. Detection of the intima and media layer thickness of ultrasound common carotid artery image using efficient active contour segmentation technique. Med Biol Eng Comput 2011; 49:1299-310. [DOI: 10.1007/s11517-011-0800-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2010] [Accepted: 07/02/2011] [Indexed: 11/29/2022]
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Panait L, Suresh S, Fancher TT, Braich PS, Sim Y, Dudrick SJ. Do laparoscopic colectomy techniques compromise oncologic principles? Chirurgia (Bucur) 2011; 106:475-478. [PMID: 21991872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
BACKGROUND Benefits of laparoscopic techniques over traditional open techniques in colon surgery are well recognized. Although both hand-assisted laparoscopic colectomy (HALC) and laparoscopic-assisted colectomy (LAC) can beeffective in the treatment of colon cancer, the superiority of either technique has yet to be determined for oncologic procedures. MATERIALS AND METHODS A five-year retrospective study comparing outcomes of hand-assisted laparoscopic and laparoscopic-assisted colectomies for cancer was conducted at our community-based teaching hospital. Demographic data, tumor location and stage of the disease were analyzed. Outcomes compared between the two procedures included number of lymph nodes retrieved, presence of positive margins, operative time, length of stay, and number of early postoperative complications. RESULTS Fifty patients underwent HALC, while 23 underwent LAC during the study period. Demographic data were similar between the two groups. Operative time was longer for LAC, compared with HALC (178 vs. 125 min., p < 0.05), however, the average number of lymph nodes retrieved was significantly higher in LAC compared with HALC (14 vs. 10, p < 0.05). No significant differences were recorded for positive margins, postoperative complications, or the length of hospital stay. CONCLUSIONS While HALC was more prevalent at our institution and proved to be associated with decreased operative times, the number of lymph nodes retrieved was sub-optimal and compared less favorably with LAC. Above all, oncologic principles should be respected and achieved regardless of the operative technique used.
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Suresh S, Savitha R, Sundararajan N. A Sequential Learning Algorithm for Complex-Valued Self-Regulating Resource Allocation Network-CSRAN. ACTA ACUST UNITED AC 2011; 22:1061-72. [DOI: 10.1109/tnn.2011.2144618] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Suresh S, Srivastava VC, Mishra IM. Study of Catechol and Resorcinol Adsorption Mechanism through Granular Activated Carbon Characterization, pH and Kinetic Study. SEP SCI TECHNOL 2011. [DOI: 10.1080/01496395.2011.570284] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Murugesan P, Mayilsamy K, Suresh S. HEAT TRANSFER IN TUBES FITTED WITH TRAPEZOIDAL-CUT AND PLAIN TWISTED TAPE INSERTS. CHEM ENG COMMUN 2011. [DOI: 10.1080/00986445.2011.545294] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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225
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Urquhart DS, Wales P, Parsley C, Suresh S. P198 Effects of oxygen therapy on central sleep-disordered breathing in infants with Prader-Willi syndrome. Thorax 2010. [DOI: 10.1136/thx.2010.151043.49] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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226
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Suresh S, Dong K, Kim H. A sequential learning algorithm for self-adaptive resource allocation network classifier. Neurocomputing 2010. [DOI: 10.1016/j.neucom.2010.07.003] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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227
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Umadevi SK, Thiruganesh R, Suresh S, Reddy KB. Formulation and evaluation of chitosan microspheres of aceclofenac for colon-targeted drug delivery. Biopharm Drug Dispos 2010; 31:407-27. [DOI: 10.1002/bdd.722] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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228
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Suresh S, Muthukumar T, Saifuddin A. Classical and unusual imaging appearances of melorheostosis. Clin Radiol 2010; 65:593-600. [PMID: 20599060 DOI: 10.1016/j.crad.2010.02.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2009] [Revised: 02/02/2010] [Accepted: 02/09/2010] [Indexed: 11/28/2022]
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229
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Preetha G, Stanley J, Suresh S, Samiyappan R. Risk assessment of insecticides used in rice on miridbug, Cyrtorhinus lividipennis Reuter, the important predator of brown planthopper, Nilaparvata lugens (Stal.). CHEMOSPHERE 2010; 80:498-503. [PMID: 20537680 DOI: 10.1016/j.chemosphere.2010.04.070] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2009] [Revised: 04/21/2010] [Accepted: 04/27/2010] [Indexed: 05/29/2023]
Abstract
The green miridbug, Cyrtorhinus lividipennis, an important natural enemy of the rice brown planthopper (BPH), Nilaparvata lugens plays a major role as a predator in suppressing the pest population. The study assessed the impact of certain potential insecticides used in the rice ecosystem on the miridbug predator and brown planthopper through contact toxicity. Eleven insecticides, including neonicotinoids, diamides, azomethine pyridines, carbamates, pyrethroids, organophosphates and cyclodienes were selected to test their toxicities against the nymphs of C. lividipennis and N. lugens. Median lethal concentration (LC(50)) was determined for each insecticide using an insecticide-coated vial (scintillation) residue bioassay, which revealed BPMC as the highly toxic chemical with an LC(50) of 0.003mga.iL(-1) followed by ethofenprox and clothianidin with LC(50) of 0.006mga.iL(-1) at 48 HAT against C. lividipennis and ethofenprox as the highly toxic chemical with an LC(50) of 0.009mga.iL(-1) followed by clothianidin with an LC(50) of 0.211mga.iL(-1) at 48h after treatment (HAT) against N. lugens. Among the insecticides tested, the cyclodiene compound, endosulfan had the lowest acute contact toxicity (LC(50)=66.65mga.iL(-1) at 48 HAT) to C. lividipennis. Among the insecticides tested, endosulfan, chlorpyriphos, acephate and methyl parathion are regarded as safer to C. lividipennis based on selectivity ratio, hazard quotient and probit substitution method of risk assessments.
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Suresh S, Gupta A, Rao V, Om kumar, Vijayaraghavan R. Amperometric immunosensor for ricin by using on graphite and carbon nanotube paste electrodes. Talanta 2010; 81:703-8. [DOI: 10.1016/j.talanta.2010.01.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2009] [Revised: 01/01/2010] [Accepted: 01/04/2010] [Indexed: 10/20/2022]
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Umadevi V, Suresh S, Raghavan SV. Improved infrared thermography based image construction for biomedical applications using Markov Chain Monte Carlo method. ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY. ANNUAL INTERNATIONAL CONFERENCE 2010; 2009:5360-3. [PMID: 20198744 DOI: 10.1109/iembs.2009.5334042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Breast thermography is one of the scanning techniques used for breast cancer detection. Looking at breast thermal image it is difficult to interpret parameters or tumor such as depth, size and location which are useful for diagnosis and treatment of breast cancer. In our previous work (ITBIC) we proposed a framework for estimation of tumor size using clever algorithms and the radiative heat transfer model. In this paper, we expand it to incorporate the more realistic Pennes bio-heat transfer model and Markov Chain Monte Carlo (MCMC) method, and analyze it's performance in terms of computational speed, accuracy, robustness against noisy inputs, ability to make use of prior information and ability to estimate multiple parameters simultaneously. We discuss the influence of various parameters used in its implementation. We apply this method on clinical data and extract reliable results for the first time using breast thermography.
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Buoy C, Suresh S. Cuffed and uncuffed tracheal tube in children. Br J Anaesth 2010; 104:388; author reply 388. [DOI: 10.1093/bja/aeq011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Panait L, Suresh S, Fancher T, Braich P, Sim Y, Dudrick S, Ajemian M. Hand-Assisted Laparoscopic Compared to Laparoscopic-Assisted Colectomies: Are We Bending Oncologic Principles? J Surg Res 2010. [DOI: 10.1016/j.jss.2009.11.282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Balaji V, Balaji MS, Alexander C, Ashalata S, Sheela Suganthi R, Suresh S, Seshiah V. Premixed insulin aspart 30 (Biasp 30) vs. premixed human insulin 30 (BHI 30) in gestational diabetes mellitus--a pilot study. THE JOURNAL OF THE ASSOCIATION OF PHYSICIANS OF INDIA 2010; 58:99-101. [PMID: 20653150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
OBJECTIVE The objective of the study was to compare premixed insulin aspart 30 (BIAsp 30) vs premixed human insulin 30 (BHI 30) on efficacy, safety, fetal and perinatal outcomes in pregnancies associated with gestational diabetes mellitus [GDM]. This was the first randomized study to use pre mixed insulin analogue [BIAsp] in GDM. METHODS The study population consisted of 76 GDM women assigned to BIAsp 30 (group A) and an equal number to BHI 30 (group B). RESULTS There was no statistically significant difference between the age, BMI, gestational weeks and glycemic level at entry between the group A and group B women (p > 0.05). There was no statistical difference between the two groups in glycemic control or insulin dose (p > 0.05) before confinement. The frequency of birth weight of new born above 90 percentile was 6.8% in Group 1 and 9.2% in Group 2. The proportion of macrosomia was higher in Group 2 when compared to Group 1, however the difference was not statistically significant (P = 0.819). CONCLUSION BIAsp was safe during pregnancy and pregnant women found it convenient due to meal time dosing. Fetal outcome using BIAsp was also comparable with BHI 30.
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Krishnakumar V, Khan FN, Hathwar VR, Nithya P, Suresh S. 1,3,6-Trimethyl-pyrano[4,3-b]pyrrol-4(1H)-one. Acta Crystallogr Sect E Struct Rep Online 2010; 66:o381. [PMID: 21579803 PMCID: PMC2979933 DOI: 10.1107/s1600536809055627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2009] [Accepted: 12/28/2009] [Indexed: 05/30/2023]
Abstract
All the non-H atoms of the title compound, C(10)H(11)NO(2), are almost coplanar [maximum deviation = 0.040 (3) Å]. The crystal structure is stabilized by C-H⋯O hydrogen bonds.
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Suresh S, Srivastava VC, Mishra IM. Critical analysis of engineering aspects of shaken flask bioreactors. Crit Rev Biotechnol 2010; 29:255-78. [PMID: 19929318 DOI: 10.3109/07388550903062314] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Shaking bioreactors are the most frequently used reaction vessels in biotechnology. Since their inception, shaking bioreactors have been playing a significant role in medicine, agriculture, food, environmental, and industrial research. In spite of their huge practical importance, very little is known about the characteristic properties of shaken cultures from an engineering point of view. In this paper, a critical analysis is presented of the mixing characteristics, aeration, mass and heat transfer, power consumption, and suitability for on-line monitoring and control of various environmental and other operating parameters in aerated and anaerobic/anoxic conditions. Aspects of cell damage due to shear stress generated in shaken flask and loss of sterility due to contamination are also discussed.
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Chakraborty S, Ghoshal S, Patil V, Oinam A, Suresh S. Acute Toxicities Experienced during Simultaneous Integrated Boost Intensity-modulated Radiotherapy in Head and Neck Cancers — Experience from a North Indian Regional Cancer Centre. Clin Oncol (R Coll Radiol) 2009; 21:676-86. [DOI: 10.1016/j.clon.2009.07.017] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2009] [Revised: 07/27/2009] [Accepted: 07/28/2009] [Indexed: 11/25/2022]
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Tan WP, Suresh S, Tey HL, Chiam LY, Goon AT. A randomized double-blind controlled trial to compare a triclosan-containing emollient with vehicle for the treatment of atopic dermatitis. Clin Exp Dermatol 2009; 35:e109-12. [PMID: 19843084 DOI: 10.1111/j.1365-2230.2009.03719.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The use of topical antiseptics in the treatment of atopic dermatitis (AD) has previously been explored. However, no triclosan-containing leave-on emollient has been evaluated previously, to our knowledge. The aims of this study were to assess the safety and efficacy of an emollient containing triclosan compared with the emollient alone (vehicle) for the treatment of AD. Eligible patients with mild to moderate AD were randomized to receive either the study cream or vehicle. All patients also received a low-potency corticosteroid cream to use during the treatment phase of the study if necessary. Patients were assessed for severity according to the SCORing Atopic Dermatitis (SCORAD) Index, amount of corticosteroid used, patient assessment of cream, and adverse events (AEs). In total, 60 patients received either the study cream or vehicle, and an intention-to-treat analysis was performed. At day 14, there was a significant decrease in SCORAD from baseline for the study cream compared with vehicle (P < 0.05). At day 27, although there was an improved mean reduction from baseline, this was no longer significant (P > 0.05). Only four patients had mild treatment-related AEs. The mean total amount of topical steroid applied by the patients using the study was significantly lower than that used by controls (P = 0.40). Triclosan-containing leave-on emollient was safe and highly acceptable to patients. However, the overall benefit on day 27 was not significant. Nevertheless, the amount of topical steroid used by patients was significantly less with the study cream than with the vehicle, thus further studies are needed to confirm its steroid-sparing effect.
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Minhas A, Suresh S. Addition of clonidine or dexmedetomidine to bupivacaine prolongs caudal analgesia in children. Br J Anaesth 2009; 103:617; author reply 617. [DOI: 10.1093/bja/aep251] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Savitha R, Suresh S, Sundararajan N, Saratchandran P. A new learning algorithm with logarithmic performance index for complex-valued neural networks. Neurocomputing 2009. [DOI: 10.1016/j.neucom.2009.06.004] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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241
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Suresh S. I334 Prenatal interventional procedures. Int J Gynaecol Obstet 2009. [DOI: 10.1016/s0020-7292(09)60334-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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242
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Varghese A, Gutgutia R, Bhattacharyya A, Suresh S, Bhattacharya J, Dasgupta P. Antioxidant system in seminal plasma and its relationship to semen parameters in infertile men. Fertil Steril 2009. [DOI: 10.1016/j.fertnstert.2009.07.1472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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243
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Nagajyothi PC, Dinakar N, Suresh S, Udaykiran Y, Suresh C, Damodharam T. Effect of industrial effluent on the morphological parameters and chlorophyll content of green gram (Phaseolus aureus Roxb). JOURNAL OF ENVIRONMENTAL BIOLOGY 2009; 30:385-388. [PMID: 20120463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
A pot culture experiment was conducted to study the effect of biomass power plant effluent on seed germination, seedling growth and chlorophyll content of green gram (variety LGG 460) have been estimated at different effluent concentrations and time intervals. The effluent is alkaline in nature (pH 8.5), odorless, and comprises of heavy metals such as Cr (0.071 mg l(-1)), Cu (0.014 mg l(-1)), Mn (0.036mg l(-1)), Fe (0.05 mg l(-1)), Co (0.31 mg l(-1)), Ni (0.041 mg l(-1)), Cd (0.028 mg l(-1)), Pb (0.108 mg l(-1)) and Zn (6.73 mg l(-1)). The germination percentage of seed, seedling growth and chlorophyll content showed a gradual decline with increase in effluent concentration. It has been observed that at 25% effluent concentration, there is growth in the root length (3.50 cm seedling(-1)), an increase in shoot length (23.90 cm seedling(-1)) and total chlorophyll content (4.467 mg g(-1) fresh weight) up to 20 days. After 20 day there is decline in all the parameters observed. However at higher concentrations of the effluent, toxic effects were observed from 20th day. This suggests that the effluent can be used safely for green gram cultivation, only after proper treatment and dilution.
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244
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Lu K, Lu L, Suresh S. Strengthening Materials by Engineering Coherent Internal Boundaries at the Nanoscale. Science 2009; 324:349-52. [DOI: 10.1126/science.1159610] [Citation(s) in RCA: 1549] [Impact Index Per Article: 103.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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245
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Urquhart DS, Iqbal SM, Bowman J, Suresh S. A 20 month old girl with respiratory distress. BMJ 2009; 338:b1216. [PMID: 19357188 DOI: 10.1136/bmj.b1216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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246
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Dinakar N, Nagajyothi PC, Suresh S, Damodharam T, Suresh C. Cadmium induced changes on proline, antioxidant enzymes, nitrate and nitrite reductases in Arachis hypogaea L. JOURNAL OF ENVIRONMENTAL BIOLOGY 2009; 30:289-294. [PMID: 20121033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The groundnut, Arachis hypogaea seedlings, when grown in pot cultures for 10-25 days at 25, 50, 100 microM CdCl2, showed a marked decline in growth compared to control. Similar trend was observed for nitrate reductase (NR) and nitrite reductase (NiR) activities whereas proline, peroxidase (POD) and catalase (CAT) showed increasing trend when observed on the 10th day of the experiment. Changes have occurred in the physiological and biochemical activities which are observed even at low Cd levels (25 microM). At 100 microM concentration, with increase in experimental days, Cd has imposed drastic decrease in leaf and stem respectively where nitrate reductase has varied from 20.87-79.41 and 29.11-72.91% and nitrite reductase 21.66-79.41 and 43.58-75.92% respectively. Contrastingly Cd treated plant tissues showed an increase in proline 111.2-159.87% (percentage changes) and 131.23-212.16% for leaves and stems respectively. In addition cadmium caused significant changes in the activity of antioxidative enzymes, peroxidase 48.12-72.19% in leaf and 37.71-75.25% in stem and catalase 64.86-143.92% in leaf and 129.13-214.74% in stem as compared to control. The study concludes that the activities of NR, NiR, proline, POD, CAT are inhibited suggesting that Arachis hypogaea seedlings are under Cd stress affecting their growth.
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Nagajyoti PC, Dinakar N, Suresh S, Udaykiran Y, Suresh C, Prasad TNVKV, Damodharam T. Biomass Industrial Effluent Effect on Carbohydrates, Aminoacids, Nitrite and Nitrite Enzyme Activities of Arachis hypogaea L. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/s1671-2927(09)60028-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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248
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Siddiqui A, Suresh S. Pregabalin for acute pain management: a shift in paradigm. Br J Anaesth 2009; 102:144; author reply 144. [DOI: 10.1093/bja/aen339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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249
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Faizal P, Suresh S, Satheesh Kumar R, Augusti KT. A study on the hypoglycemic and hypolipidemic effects of an ayurvedic drug Rajanyamalakadi in diabetic patients. Indian J Clin Biochem 2009; 24:82-7. [PMID: 23105812 PMCID: PMC3453461 DOI: 10.1007/s12291-009-0014-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
A study was undertaken for evaluating the hypoglycemic and hypolipidemic effects of an ayurvedic medicine "Rajanyamalakadi" containing Curcuma longa, Emblica officinalis and Salacia oblonga in type II diabetic patients over a period of 3 months. Ethical committee consent for the study was given by the Director, Indian Systems of Medicine, Kerala. A total of 43 patients with established diabetes mellitus as adjudged from clinical features and FBS values, appeared for the camp (Age group 35-75 yrs). An informed consent for the study was obtained from each patient. The clinical proforma was given to each patient to collect data such as height, weight, diet pattern, previous history of illness etc. The ongoing antidiabetic medications were stopped under medical supervision and the patients were provided with 'Rajanyamalakadi' tablets (dose 1-2 tablets each weighing 500mg). The dosage of the drug was decided by the supervising medical officer on a case to case basis, taking note of the clinical conditions and responsiveness of the patients. The patients were monitored for three months, who were divided into 6 groups based on their age and again into two groups, 5 & 6, based on their mean FBS values. ie; Normal Persons, Diabetics of age groups 35-45yrs, 46-55yrs, >55yrs and those with FBS < 145.9 mg% and > 145.9 mg%. The Ayurvedic medicine "Rajanyamalakadi" has showed significant antidiabetic, hypolipidemic and antioxidant effects. In addition to that significant ameliorating effects on the elevated serum AST and ALT activities were also demonstrated by the treatment. The nutraceuticals present in the drug like Terpenoids, Polyphenols, Curcumin etc are responsible for the medicinal effects.
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Bhaskaran S, Suresh S. Biodegradable microspheres of ketorolac tromethamine for parenteral administration. J Microencapsul 2008; 21:743-50. [PMID: 15799224 DOI: 10.1080/02652040400000496] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Ketorolac tromethamine loaded microspheres were prepared using two different polyesters, namely poly (lactic acid) and poly (glycolic acid) by solvent evaporation technique. The morphology of microspheres was analysed by scanning electron microscopy. In vitro release profiles of these microspheres were studied in phosphate buffered saline pH 7.4. The release kinetics of ketorolac tromethamine from the microspheres was evaluated by fitting the release data to the zero-order, Higuchi and korsemeyer-peppas equations. All microspheres showed initial burst release, followed by fickian diffusion of drug through microspheres. These microspheres were formulated as parenterals to have controlled release system.
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