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Relevant bibliographies by topics / Periwinkle shell

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Academic literature on the topic 'Periwinkle shell'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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Journal articles on the topic "Periwinkle shell"

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Okpeku, M., MB Nodu, A. Essien, and CT Fekorigha. "Morphologic variations of periwinkle and profiles of periwinkle marketers and harvesters in two states in the Niger delta area of Nigeria." Journal of Agriculture, Forestry and the Social Sciences 11, no. 2 (2015): 140–47. http://dx.doi.org/10.4314/joafss.v11i2.16.

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Periwinkles are invertebrates rich in protein and omega-3 fatty acids. These make them relished delicacies. Three hundred and fifteen (315) individual periwinkles were hand-picked from mangrove swamp river banks and intertidal zones of Twon-Brass in Bayelsa State and Abonnema town of Rivers State. Shell length and the weight of both the meat and shell were taken with Veneer caliper and a sensitive electronic scale balance respectively. Information on the economics of production was gathered from market women and harvesters through the use of structured questionnaires. The present study indenti

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Obidiegwu, E.O., E.F. Ochulor, and E.O. Awojobi. "A Study of Insulating Properties of Refractory Bricks Produced from the Blend of Fireclay and Periwinkle Shell." Nigerian Research Journal of Engineering and Environmental Sciences 6, no. 2 (2021): 495–502. https://doi.org/10.5281/zenodo.5805093.

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<em>This paper studied the insulating properties of refractory bricks produced from a blend of fire clay and periwinkle shells to assess the possibility of developing a new material for lining furnaces with improved efficiency. Various samples were produced from 75 to 100 wt.% of clays with particle sizes of 300 µm, blended with 0-25 wt.% periwinkle shells of 150 µm. The samples were fired at temperatures ranging from 950 <sup>o</sup>C-1100 <sup>o</sup>C for 3 hours at the rate of 2.5 <sup>o</sup>C/minutes using an electric furnace. The chemical compositions of the clays and periwi

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Oyedoh, E. A., and U. U. Ekesiobi. "Effects of Preparation Conditions on Surface Properties and Yields of Periwinkle Shell Activated Carbon." Journal of Applied Sciences and Environmental Management 27, no. 6 (2023): 1083–91. http://dx.doi.org/10.4314/jasem.v27i6.6.

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This study explored the potential of periwinkle shells as precursor material for activated carbon preparation. The periwinkle shell was activated using the potassium hydroxide method. The periwinkle shell activated carbons prepared were characterized in terms of physico-chemical properties, functional groups, and yield and surface characteristics. The central composite design of response surface methodology was used for analysis and optimization of carbonization conditions of the periwinkle shell. The carbonization conditions considered and their range of values are carbonization temperature o

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C.I.A., Nwoko, and Ukiwe L.N. "Heavy Metals Concentrations in the Shell and Tissue of Periwinkle (Tympanotonus fuscatus) and Giant Land Snail (Achatina fulica) in Soku Community of Niger Delta, Nigeria." JOURNAL OF ADVANCES IN CHEMISTRY 10, no. 3 (2014): 2426–29. http://dx.doi.org/10.24297/jac.v10i3.6636.

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The pollution of aquatic ecosystem by heavy metals has assumed serious proportions due to their toxicity and accumulative behaviour. River dams are especially at risk of contamination by different contaminants from anthropogenic sources including heavy metals since change of sediment regime often occur. The accumulation of five heavy metals; chromium (Cr), Cadmium (Cd), Lead (Pb), Copper (Cu) and Arsenic (As) in periwinkle, (Tympanotonus fuscatus, var, radula) and giant land snail (Achatina fulica) shell and soft tissue collected from Soku Community, Akuku-toru Local Government Area of Rivers

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RUSLAN, HANIS NADIAH, Khairunisa Muthusamy, Sharifah Maszura Syed Mohsin, and M. S. Kirgiz. "Periwinkle Shell as Mixing Ingredient in Concrete: A Review." CONSTRUCTION 1, no. 2 (2021): 21–30. http://dx.doi.org/10.15282/construction.v1i2.6499.

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Growing population which also pushes for rising demand for seafood results in a generation of seashells which are thrown as environmental pollution waste after the edible meat is consumed. Meanwhile, the utilisation of natural resources as mixing ingredients for the production of concrete materials continues to increase over the year. The use of periwinkle shells as mixing ingredients in concrete materials can lower the dependency on natural aggregate supply. This paper discusses the properties of periwinkle shell and method of treatment prior to their usage as a cement and coarse aggregate as

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Eboibi, O., O. I. Akpokodje, and H. Uguru. "Evaluation of organic enhancer on the mechanical properties of periwinkle shells concrete." Journal of Engineering Innovations and Applications 1, no. 1 (2022): 13–22. http://dx.doi.org/10.31248/jeia2022.020.

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The utilization of green materials in engineering applications has become a necessity due to the negative environmental and health consequences of most synthetic materials. Enhancement of periwinkle shell concrete through corn starch treatment was investigated in this study. Twenty-five (25) sets of concrete were produced with various corn starch concentrations (0, 0.5, 1, 1.5 and 2%); and periwinkle shell quantities varying from 0 kg (0%) to 2 kg (20%) were used as a partial replacement for granite. All the concrete sets produced and their mechanical properties were determined in accordance w

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Deis, Donald R., John W. Fleeger, Stefan M. Bourgoin, Irving A. Mendelssohn, Qianxin Lin, and Aixin Hou. "Shoreline oiling effects and recovery of salt marsh macroinvertebrates from the Deepwater Horizon Oil Spill." PeerJ 5 (August 16, 2017): e3680. http://dx.doi.org/10.7717/peerj.3680.

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Salt marshes in northern Barataria Bay, Louisiana, USA were oiled, sometimes heavily, in the aftermath of the Deepwater Horizon oil spill. Previous studies indicate that fiddler crabs (in the genus Uca) and the salt marsh periwinkle (Littoraria irrorata) were negatively impacted in the short term by the spill. Here, we detail longer-term effects and recovery from moderate and heavy oiling over a 3-year span, beginning 30 months after the spill. Although neither fiddler crab burrow density nor diameter differed between oiled and reference sites when combined across all sampling events, these tr

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Ikechukwu, I. F., O. S. Onwuka, and M. C. Nwogu. "Production of Periwinkle Shell Reinforced Grindstone." Journal of Applied Sciences and Environmental Management 26, no. 6 (2022): 1157–62. http://dx.doi.org/10.4314/jasem.v26i6.24.

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The study involves the use of periwinkle shell particles as reinforcement in the production of grindstone to meliorate its physical and mechanical properties. The assessment of the properties of the periwinkle shell reinforced concrete grindstone showed that reinforcement yielded several promising results. The compressive strength was higher for samples with lower water/cement ratio (7%) than those with higher water/cement ratio (10%). The introduction of concrete that contains periwinkle shells as fine aggregates resulted in the loss of smooth like appearance and reduction in weight. The loss

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Olusakin, Adeniran, Akankpo Okon, Etuk Edet, Robert Williams, and Agbasi Ebuka. "Comparative study of electrical resistance of disc-shaped compacts fabricated using calcined clams shell, Periwinkle shell and Oyster shell nanopowder." Kragujevac Journal of Science, no. 44 (2022): 25–36. http://dx.doi.org/10.5937/kgjsci2244025a.

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In this investigation, Clam, Periwinkle and Oyster shells were separately treated, calcined and ball-milled into nano powder. Each nano powder material was fabricated into disc of various lengths in three replicates. In each case, the electrical characteristics of the discs were determined. Electrical resistivity values obtained for test samples developed from Clam, Periwinkle and Oyster shells were found to be (6.024 ± 0.009) x 105 Om, (6.823 ± 0.030) x 105 Om, and (4.916 ± 0.007) x 105 Om respectively at a temperature of (25.0 ± 1.0oC). Also, electronic activation energy values were found to

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Odili, Cletus Chiosa, Oluwashina Philips Gbenebor, Henry Adekola Haffner, and Samson Oluropo Adeosun. "A Morphological Characterization of High Yield Chitin from Periwinkle Shells." Journal of Casting & Materials Engineering 5, no. 4 (2020): 61–65. http://dx.doi.org/10.7494/jcme.2021.5.4.61.

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Research on obtaining chitin from periwinkle shell is scarce due to the very low yield of chitin from this kind of shell. Thisstudy reports a method of processing periwinkle shells to obtain high yield, bio-medically suitable chitin. The experimentwas designed using IM and 2M concentrations of HCl for demineralization and a 1M NaOH concentration for deproteinization. FTIR, SEM, XRD and DTA analytical tools were used to characterize the extracted chitin. The FTIR spectral, XRD patterns and SEM analysis, revealed the complete removal of calcium carbonate by the acid concentrations used. The part

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Book chapters on the topic "Periwinkle shell"

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Caley, K. J., J. Grahame, and Peter J. Mill. "A geographically-based study of shell shape in small rough periwinkles." In Advances in Littorinid Biology. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0435-7_20.

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Fletcher, C. R. "Microgeographical variation in shell strength in the flat periwinkles Littorina obtusata and Littorina mariae." In Advances in Littorinid Biology. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0435-7_8.

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Falade, F., and F. Telia. "STRUCTURAL PERFORMANCE OF LIGHTWEIGHT REINFORCED BEAMS CONTAINING PERIWINKLE SHELLS AS COARSE AGGREGATE." In Challenges of Concrete Construction: Volume 5, Sustainable Concrete Construction. Thomas Telford Publishing, 2002. http://dx.doi.org/10.1680/scc.31777.0069.

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Oluwole Abioye, Babasanmi, Aderonke Adetutu Okoya, and Abimbola Bankole Akinyele. "9 Adsorption of trichloroacetic acid from drinking water using polyethylene terephthalate waste carbon and periwinkle shells–based chitosan." In Sustainable Chemistry Research. De Gruyter, 2023. http://dx.doi.org/10.1515/9783111071428-009.

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Conference papers on the topic "Periwinkle shell"

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Ojong, Ojong Elias, Preniyobo Diepriye Benibo, Fidelis Ibiang Abam, and Silas Shamaye Samuel. "Enhancing Carbon (iv) Oxide Adsorption from Flue Gas Mixture at Elevated Temperature Using Composite of Nanoparticles." In Africa International Conference on Clean Energy and Energy Storage. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-3cwdqg.

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Chitosan/clay materials derived from periwinkle shells and clay soil at a 50:50 ratio were prepared as adsorbents, characterized, and used for the adsorption of CO2 from flue gas at elevated temperatures (500°C - 5000°C) in a fixed bed column (1.5 m in length and 0.02 m in internal diameter). The flue gas, with a composition of Methane (0.003), Ethane (0.002), Hydrogen (0.05), CO2 (0.15), Water Vapor (0.02), and Nitrogen (0.76), at a pressure of 49 KPa, a temperature of 5000°C, and a flow rate of 75 L/min from the exhaust tank, entered the fixed bed column for the adsorption process, where the

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Yikarebogha, Y., K. C. Igwilo, N. Uwaezuoke, and J. U. Obibuike. "Improving Cement Sheet Contraction and Strength Retrogression for High Temperature Well Cementing Using Local Material." In SPE Nigeria Annual International Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/217091-ms.

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Abstract Cement sheet contraction and strength retrogression associated with high temperature well cementing has been prevented in the industry over the years with the use of silica flour. Due to the difficulty in sourcing the silica flour, Tympanotonus fuscatus commonly known as "Periwinkle shell" was investigated as an alternative. Elemental and Oxides characterization were carried out and periwinkle shell powder contains CaO – 69.54%, SiO2 – 16.96%, Al2O3 – 12.06%. API standard procedures were employed throughout the laboratory measurements to determine compressive strength using periwinkle

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Okuchuku, G. K., and Y. D. Amartey. "The Suitability of Periwinkle Shell Dust as Mineral Filler in Asphalt Mixtures." In International Airfield and Highway Pavements Conference 2025. American Society of Civil Engineers, 2025. https://doi.org/10.1061/9780784486238.006.

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Veranita, Veranita, R. Djamaluddin, and J. Supardi. "Study of marshall characteristic on asphalt mixture with addition of periwinkle shell as a substitute of filler." In CONSTRUCTION: THE FORMATION OF LIVING ENVIRONMENT: FORM-2022. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0129029.

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