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Article ; Online: Comparative adsorption study of malachite green dye on acid-activated carbon

piriya, R. Sangeetha / Jayabalakrishnan, Rajamani M. / Maheswari, M. / Boomiraj, Kovilpillai / Oumabady, Sadish

International Journal of Environmental Analytical Chemistry. 2023 Jan. 02, v. 103, no. 1 p.16-30

2023

Abstract: Activated carbon produced from coconut shells has been gaining interest in wastewater treatment as a potential carbon source for adsorption with desired porosity, surface area, and stability requirements. Acid activation has been preferred for activated ... ...

Abstract	Activated carbon produced from coconut shells has been gaining interest in wastewater treatment as a potential carbon source for adsorption with desired porosity, surface area, and stability requirements. Acid activation has been preferred for activated carbon production due to its superiority over adsorption of malachite green dye. This study involved in the acid activation of coconut shell derived carbon and its characterisation was performed to study the surface functionalities, thermal stability, textural and structural morphologies. The activated carbon was used for the adsorption of malachite green dye from aqueous solutions and with a special insight by varying contact time (20–220 min) and initial dye concentration (20–80 mg L⁻¹) for adsorption study. Phosphoric acid-activated carbon has shown maximum adsorption capacity (Xₘ) of 32.787 mg g⁻¹ at initial malachite dye concentration of 20 mg L⁻¹ after 3 hours. All the adsorbents followed Freundlich isotherm with intra particle diffusion model as the rate-limiting step.
Keywords	activated carbon ; adsorbents ; adsorption ; analytical chemistry ; coconuts ; malachite ; malachite green ; models ; porosity ; reaction kinetics ; sorption isotherms ; surface area ; thermal stability ; wastewater treatment ; Coconut shell ; acid activation ; cationic dye adsorption ; kinetics ; isotherm study
Language	English
Dates of publication	2023-0102
Size	p. 16-30.
Publishing place	Taylor & Francis
Document type	Article ; Online
ZDB-ID	120480-4
ISSN	1029-0397 ; 0306-7319 ; 0092-9085
ISSN (online)	1029-0397
ISSN	0306-7319 ; 0092-9085
DOI	10.1080/03067319.2020.1849667
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Offbeat phenomenon in antrum of highmore – Inflammatory myofibroblastic tumor

R Sangeetha / G Jayashree / N Narmatha / S Kailasam

Journal of Indian Academy of Oral Medicine and Radiology, Vol 32, Iss 1, Pp 86-

2020 Volume 89

Abstract: The Inflammatory Myofibroblastic Tumor (IMT) is a rare benign pathology of the head and neck region that tends to mimic a malignancy on account of its aggressive clinical and radiographic features. There are various descriptive terms for this lesion due ... ...

Abstract	The Inflammatory Myofibroblastic Tumor (IMT) is a rare benign pathology of the head and neck region that tends to mimic a malignancy on account of its aggressive clinical and radiographic features. There are various descriptive terms for this lesion due to the uncertainty of the biologic nature of the lesion, namely: Fibrous Xanthoma, Plasma Cell Granuloma, Pesudosarcoma, Lymphoid Hamartoma, Myoxid Hamartoma, Inflammatory Pseudotumor and Benign Myofibroblastoma. Inflammatory Myofibroblastic Pseudotumor occurs throughout the body, most frequently in the peritoneal cavity, retroperitoneal space and lungs, among extra pulmonary lesions 15% accounts for the head and neck region. Most commonly, they are located in the region of the orbit. Inflammatory Myofibroblastic tumor presentation in maxillary sinus is rare and has an invasive potential. We have presented a case report of Inflammatory Myofibroblastic tumor of maxillary sinus, correlating Clinical, radiographic, and histopathologic along with immunohistochemical profile to arrive at a diagnosis, with special emphasis on the disputed nosology of this lesion and the latest therapeutic update.
Keywords	benign ; immunohistochemical ; nosology ; uncertainty ; Dentistry ; RK1-715 ; Medical physics. Medical radiology. Nuclear medicine ; R895-920
Subject code	610
Language	English
Publishing date	2020-01-01T00:00:00Z
Publisher	Wolters Kluwer Medknow Publications
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Biomarkers as ecological indices in monitoring the status of market fish

N. Nagarani / G. Krishnaveni / V. Dhivya Dharshini / K. Gowri Manohari / Monisha Archana Jeyapandi / Pandiselvi Vinothini Mariappan / R. Sangeetha

Journal of Basic and Applied Zoology, Vol 84, Iss 1, Pp 1-

2023 Volume 6

Abstract: Abstract Background Environmental contamination has become a major concern over the past few decades, drawing the attention of numerous researchers from both developed and developing nations. The aquatic system serves as the primary sink for the disposal ...

Abstract	Abstract Background Environmental contamination has become a major concern over the past few decades, drawing the attention of numerous researchers from both developed and developing nations. The aquatic system serves as the primary sink for the disposal of garbage, which has a negative impact on the aquatic environment and biota. The reality is that heavy metals cannot be totally removed from the ecosystem because they can bioaccumulate and grow in strength as they move up the food chain. Particularly heavy metals can build up in the tissues of aquatic animals, and as a result, tissue concentrations of heavy metals may be harmful to both human and animal health. Our study aimed to elucidate the possible use of biomarkers in monitoring and assessing the heavy metals contaminants among fresh water fish. Results From the present study, we conclude that glutathione peroxidase can be used as the bioindicator for nickel and iron contamination. Ultimately, these studies focus on measuring levels of pollution that may induce irreversible ecological changes to aquatic ecosystems. Till now the level of toxicity was moderate, and it was progressing toward the danger. Efforts can be made to control the activities that release pollutants unnaturally into the environment from both public and government so that the clean and clear environment can be maintained. Conclusions The work concludes that a multiparameter analysis is needed to assess and monitor the ecological status of the aquatic environment.
Keywords	Antioxidant enzymes ; Bioindicator ; Environmental management ; Heavy metal ; Pollution ; Zoology ; QL1-991
Subject code	333
Language	English
Publishing date	2023-01-01T00:00:00Z
Publisher	SpringerOpen
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article ; Online: Targeting potential receptor molecules in non-small cell lung cancer (NSCLC) using in silico approaches

C. Kirubhanand / J. Merciline Leonora / S. Anitha / R. Sangeetha / K. T. Nachammai / K. Langeswaran / S. Gowtham Kumar

Frontiers in Molecular Biosciences, Vol

2023 Volume 10

Abstract: Introduction: Non-Small Cell Lung Cancer is the most prevalent type of cancer in lung cancer. Chemotherapy, radiation therapy, and other conventional cancer treatments have a low success rate. Thus, creating new medications is essential to halt the ... ...

Abstract	Introduction: Non-Small Cell Lung Cancer is the most prevalent type of cancer in lung cancer. Chemotherapy, radiation therapy, and other conventional cancer treatments have a low success rate. Thus, creating new medications is essential to halt the spread of lung cancer.Methods: In this study bioactive nature of lochnericine against Non-Small Cell Lung Cancer (NSCLC) was analyzed using various computational approaches such as quantum chemical calculations, molecular docking, and molecular dynamic simulation. Furthermore, the MTT assay shows the anti-proliferation activity of lochnericine.Results and Discussion: Using Frontier Molecular Orbital (FMO), the calculated band gap energy value associated with bioactive compounds and the molecule’s potential bioactivity is confirmed. The H38 hydrogen atom and O1 oxygen atom in the molecule are effectively electrophilic, and potential nucleophilic attack sites were confirmed through analysis of the Molecular electrostatic potential surface. Furthermore, the electrons within the molecule were delocalized, which confers bioactivity on the title molecule and was authorized through Mulliken atomic charge distribution analysis. A molecular docking study revealed that lochnericine inhibits non-small cell lung cancer-associated targeted protein. The lead molecule and targeted protein complex were stable during molecular dynamics simulation studies till the simulation period. Further, lochnericine demonstrated remarkable anti-proliferative and apoptotic features against A549 lung cancer cells. The current investigation powerfully suggests that lochnericine is a potential candidate for lung cancer.
Keywords	lochnericine ; quantum chemical calculations ; molecular docking ; molecular dynamics ; anticancer study ; non-small lung cancer ; Biology (General) ; QH301-705.5
Subject code	541
Language	English
Publishing date	2023-02-01T00:00:00Z
Publisher	Frontiers Media S.A.
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Assessment of Maturity over Seasons using Various Indices in Groundnut (Arachis hypogaea L.)

Vishnuprabha, R. Sangeetha / Viswanathan, PL / Manonmani, S. / Rajendran, L. / Selvakumar, T.

Legume research. 2022 May, v. 45, no. 5

2022

Abstract: Groundnut is a crop with puzzling nature of maturity. The ability to determine the correct data of harvest in groundnut is strongly affecting factor of the economic return from the crop. Among the different methodologies suggested for calculating the ... ...

Abstract	Groundnut is a crop with puzzling nature of maturity. The ability to determine the correct data of harvest in groundnut is strongly affecting factor of the economic return from the crop. Among the different methodologies suggested for calculating the maturity index in groundnut, those which could be used at field level and with ease includes: shell out method, seed hull ratio maturity index, hull scrape method and maturity profile board (MPB) method. The present study was taken up to evaluate the efficiency of these methods in determining the maturity duration. The maturity indices were calculated in the varieties CO 7, ICGV 07222, VRI 6, VRI 8, GPBD 4, VRI 3, Chico, Gangapuri, ICGV 91114 and ICGV 93468 cultivated during 2018–19, at Tamil Nadu Agricultural University, Coimbatore. In shell out and hull scrape method maturity indices ranging from 70–80% and in Seed hull ratio maturity index the range 2.9–3.6 revealed the highest number of matured pods with maximum weight. The correlation study results showed highest efficacy of hull scrape method in predicting the correct date of harvest in groundnut. The method establishes that the colour of mesocarp exactly reveals maturity status of groundnut pods. Thus, maturity index in groundnut is more reliable when calculated by hull scrape method. In case when the maturity index is below 70% the pods could be arranged on a maturity profile board (MPB) to determine the days until digging.
Keywords	Arachis hypogaea ; agricultural colleges ; color ; costs and returns ; mesocarp ; peanuts ; research ; India
Language	English
Dates of publication	2022-05
Size	p. 580-586.
Publishing place	Agricultural Research Communication Centre
Document type	Article
ISSN	0976-0571
DOI	10.18805/LR-4366
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Structural, vibrational, quantum chemical and thermal investigation of a nutraceutical drug in new zwitterionic cocrystal form (nicotinic acid: catechol) with enhanced cytotoxic activity in cervical cancer HeLa cell line.

E, Arockia Jeya Yasmi Prabha / R, Sangeetha / K, Langeswaran / S, Athimoolam

Journal of biomolecular structure & dynamics

2021 Volume 40, Issue 13, Page(s) 5903–5916

Abstract: Nicotinic acid is an aphrodisiac, co-crystalized with catechol [NICCAT] in Zwitterionic structure used as unorthodox drugs. The present study, investigates its molecular structure, using X-ray diffraction and q chemical optimization technique. An ... ...

Abstract	Nicotinic acid is an aphrodisiac, co-crystalized with catechol [NICCAT] in Zwitterionic structure used as unorthodox drugs. The present study, investigates its molecular structure, using X-ray diffraction and q chemical optimization technique. An examination of single-crystal XRD reported that crystal packing was highly stabilized with N.H···O and O-H···O. Hydrogen bond synthons. Besides, a weak C-H···O affinity was also contributed to the powerful molecular construction in crystal packing. To geometrically optimize the molecular structure, we employed the Density Functional Theory (DFT), by adopting the B3LYP function and Hartree-Fock (HF) level, with 6-311++G (d, p) a basic set. Moreover, spectral analyses were detected within an excitation range of 4000-400 cm
MeSH term(s)	Antineoplastic Agents/pharmacology ; Catechols/pharmacology ; Dietary Supplements ; Female ; HeLa Cells ; Humans ; Niacin ; Quantum Theory ; Spectroscopy, Fourier Transform Infrared ; Spectrum Analysis, Raman ; Uterine Cervical Neoplasms/drug therapy ; Vibration
Chemical Substances	Antineoplastic Agents ; Catechols ; Niacin (2679MF687A)
Language	English
Publishing date	2021-01-21
Publishing country	England
Document type	Journal Article ; Research Support, Non-U.S. Gov't
ZDB-ID	49157-3
ISSN	1538-0254 ; 0739-1102
ISSN (online)	1538-0254
ISSN	0739-1102
DOI	10.1080/07391102.2021.1874534
Database	MEDical Literature Analysis and Retrieval System OnLINE

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Article: Correlation and path analysis studies for parents and F₁crosses in barnyard millet [Echinochloa frumentaceae (Roxb.) Link] for nutritional characters

Vishnuprabha, R. Sangeetha / Vanniarajan, C

Agricultural science digest. 2018 Mar., v. 38, no. 1

2018

Abstract: Association analysis was studied in twenty F1 crosses and five parents of barnyard millet to find out the association of nutrient characters and their direct and indirect effects on single plant yield. The results exhibited that the nutrient traits are ... ...

Abstract	Association analysis was studied in twenty F1 crosses and five parents of barnyard millet to find out the association of nutrient characters and their direct and indirect effects on single plant yield. The results exhibited that the nutrient traits are inter-related and improvement of yield will bring about the simultaneous improvement of the nutrient characters also. Total phenols and iron content recorded moderate positive direct effects on single plant yield. Total anti-oxidant activity and zinc content had low negative direct effects on single plant yield that were neutralized bypositive indirect effects of other traits. The analysis revealed that the improvement of yield will simultaneously bring improvement on total phenols and iron content directly and on total anti-oxidant activity and zinc content indirectly.
Keywords	Echinochloa frumentacea ; agricultural sciences ; antioxidant activity ; path analysis ; zinc
Language	English
Dates of publication	2018-03
Size	p. 52-54.
Publishing place	Agricultural Research Communication Centre
Document type	Article
Note	NAL-AP-2-clean
ISSN	0976-0547
DOI	10.18805/ag.D-4689
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: DeepCompNet

M. Mary Shanthi Rani / P. Chitra / S. Lakshmanan / M. Kalpana Devi / R. Sangeetha / S. Nithya

Computational Intelligence and Neuroscience, Vol

A Novel Neural Net Model Compression Architecture

2022 Volume 2022

Abstract: The emergence of powerful deep learning architectures has resulted in breakthrough innovations in several fields such as healthcare, precision farming, banking, education, and much more. Despite the advantages, there are limitations in deploying deep ... ...

Abstract	The emergence of powerful deep learning architectures has resulted in breakthrough innovations in several fields such as healthcare, precision farming, banking, education, and much more. Despite the advantages, there are limitations in deploying deep learning models in resource-constrained devices due to their huge memory size. This research work reports an innovative hybrid compression pipeline for compressing neural networks exploiting the untapped potential of z-score in weight pruning, followed by quantization using DBSCAN clustering and Huffman encoding. The proposed model has been experimented with state-of-the-art LeNet Deep Neural Network architectures using the standard MNIST and CIFAR datasets. Experimental results prove the compression performance of DeepCompNet by 26x without compromising the accuracy. The synergistic blend of the compression algorithms in the proposed model will ensure effortless deployment of neural networks leveraging DL applications in memory-constrained devices.
Keywords	Computer applications to medicine. Medical informatics ; R858-859.7 ; Neurosciences. Biological psychiatry. Neuropsychiatry ; RC321-571
Subject code	006
Language	English
Publishing date	2022-01-01T00:00:00Z
Publisher	Hindawi Limited
Document type	Article ; Online
Database	BASE - Bielefeld Academic Search Engine (life sciences selection)

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Article: Estimation of heterosis and combining ability of yield traits in groundnut (Arachis hypogaea L.)

Vishnuprabha, R. Sangeetha / Viswanathan, P.L. / Manonmani, S. / Rajendran, L. / Selvakumar, T.

Indian journal of agricultural research. 2021 June, v. 55, no. 3

2021

Abstract: Groundnut, an important oilseed crop is grown in about 100 countries for oil and kernel. The kernels of groundnut also serves multiple table purposes as rough snacks to other value added product other than oil. Its importance is well experienced in the ... ...

Abstract	Groundnut, an important oilseed crop is grown in about 100 countries for oil and kernel. The kernels of groundnut also serves multiple table purposes as rough snacks to other value added product other than oil. Its importance is well experienced in the area occupied by it around the world among oilseeds in which it stands within top five. There is a constant thrust in increasing the productivity of groundnut among the cultivators seeking which the present study is taken up. L × T analysis was taken up to estimate the gene action of yield and yield contributing traits for their improvement. 5 lines viz., CO 7, ICGV 07222, VRI 6, VRI 8 and GPBD 4 and 5 testers viz., VRI 3, Chico, Gangapuri, ICGV 91114 and ICGV 93468 were crossed to obtain 25 crosses. The L × T analysis was carried out on the biometrical data recorded. GCA and SCA variance revealed the importance of both additive and non-additive gene action of all the traits. Pod yield and kernel yield per plant were governed by non-additive gene action suggesting the advancement of the generation for selection to improve these traits. The parents ICGV 07222, VRI 8, Chico and ICGV 91114 were estimated to be best combiners for the inclusion in further breeding programs. The cross ICGV 07222 × Chico, a product of good combiners was best performing and can be used to obtain superior recombinants. Standard heterosis of 27% was observed for pod yield in the groundnut crosses.
Keywords	Arachis hypogaea ; agricultural research ; biometry ; genes ; heterosis ; oils ; oilseed crops ; peanuts ; seeds ; variance
Language	English
Dates of publication	2021-06
Size	p. 310-316.
Publishing place	Agricultural Research Communication Centre
Document type	Article
ZDB-ID	2569845-X
ISSN	0976-058X ; 0367-8245
ISSN (online)	0976-058X
ISSN	0367-8245
DOI	10.18805/IJARe.A-5486
Database	NAL-Catalogue (AGRICOLA)

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Article ; Online: Application of sludge-derived KOH-activated hydrochar in the adsorptive removal of orthophosphate.

Oumabady, Sadish / Selvaraj, Paul Sebastian / Kamaludeen, Sara P B / Ettiyagounder, Parameswari / Suganya, Kathirvel / R, Sangeetha Piriya

RSC advances

2021 Volume 11, Issue 12, Page(s) 6535–6543

Abstract: Hydrochar, a hydrothermally carbonized product, has gained attention recently as an adsorbent, among its wide environmental applications. In this study, sludge from the paper recycling industry, having a lower pollution load, was used to produce ... ...

Abstract	Hydrochar, a hydrothermally carbonized product, has gained attention recently as an adsorbent, among its wide environmental applications. In this study, sludge from the paper recycling industry, having a lower pollution load, was used to produce hydrochar, followed by pre-activation and post-activation using KOH. Characterizations were performed for structural morphology (SEM and TEM), molecular functionalities (FTIR) and textural features (BET surface area). Furthermore, Response Surface Methodology (RSM) was used to optimize the adsorption parameters for the removal of orthophosphate with different hydrochars. This study aimed at a low-cost, waste-to-wealth, and negative emission technology for simultaneous solid waste management and orthophosphate removal in aqueous solution. It was predicted from the adsorption experiment that an orthophosphate dose of 100 mg L
Language	English
Publishing date	2021-02-05
Publishing country	England
Document type	Journal Article
ISSN	2046-2069
ISSN (online)	2046-2069
DOI	10.1039/d0ra10943f
Database	MEDical Literature Analysis and Retrieval System OnLINE

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