44 results for “Pigment”

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Research ArticleOpen accessEvery word in the titleAnalysis of Photosynthetic Pigment Content and Leaf Structure of Pteroceltis Tatarinowii Mutant with Yellow LeafYongchang Yu, Chen Lv, Min Liu, Tiantian ChenThe relationship betweenleaf variation characteristics and leaf structure characteristics of Pteroceltistatarinowii with yellow leaf was explored to provide a theoretical basisfor the breeding of other ornamental plants. In this study, the differences inpigment content, leaf structure, and chloroplast ultrastructure in leaves of Pteroceltistatarinowii mutant with yellow leaf 'Huiguang' and its original species'Lingyansi No. 1’ were studied. The results showed that … …American Journal of Biochemistry and Biotechnology, Vol. 18, Issue 3 · 20 Sep 2022 · 5,598 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleCrude Extract of Blue-Green Pigment Derived from the Marine Bacterium Pseudomonas aeruginosa P1.S9 has Antibacterial, Antioxidant, and Cytotoxic ActivitiesAris Tri Wahyudi, Rahmah Nursari, Widya Esti Purwaningtyas et al.Pigment derived from marine bacteria is one of the alternative sources of natural products characterized by beneficial functions for pharmaceutical purposes. This study aimed to evaluate the antimicrobial, antioxidant and cytotoxic activities of the marine bacterium Pseudomonas aeruginosa P1. S9 crude pigment extract and identify its chemical content. Crude pigment extract of this bacterium showed promising antibacterial activities against Pseudomonas … …OnLine Journal of Biological Sciences, Vol. 22, Issue 1 · 4 Mar 2022 · 6,994 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleImplementation of Geodesic Active Contour Approach for Pigment Spots Segmentation on the Iris SurfaceMustafa Man, Mohamad Faizal Ab Jabal, Mohd Shafry Mohd Rahim, Illiasaak AhmadThe aim of this paper is to study the effectiveness of geodesic active contour approach to segment the pigment spots on iris surface. Pigment spot is an abnormal marker that appears on the iris surface, which may lead to eye diseases. The multi appearance, scattered location and dynamic shape of the pigment spots on the iris surface make them very … …Journal of Computer Science, Vol. 12, Issue 11 · 5 Feb 2017 · 7,293 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleThe Comparison of Spectrophotometric Method and High-Performance Liquid Chromatography in Photosynthetic Pigments AnalysisSabina Jodłowska, Adam LatałaProblem statement: Spectrophotometric method and High-Performance Liquid Chromatography (HPLC) are the most useful tools to photosynthetic pigments analysis. The main objective of this reaserch was to compere the results obtained by these two independent methods in experiments under controlled laboratory conditions. Approach: Comparison between spectrophotometric and HPLC methods for pigment analysis was carried out on Baltic cyanobacterium Geitlerinema amphibium, which … …OnLine Journal of Biological Sciences, Vol. 11, Issue 2 · 30 Sep 2011 · 10,865 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleThe Development of Natural Pigments in Esaan Folk Wisdom for Usage of PaintingSuchat Sukna, Sastra Laoakka, Thaksina KrairachProblem statement: The objectives of this research were: (1) History and background of pigments from natural material in Esaan painting, (2) current condition and problems of pigments from natural material in painting work and (3) develop pigments from natural material for painting work usage. Approach: The instrument consisted of the observation form, interview form, focus group discussion and workshop record … …Journal of Social Sciences, Vol. 5, Issue 4 · 31 Dec 2009 · 7,657 accessesView PDF Cite

RetractionOpen accessEvery word in the titleRetraction Notice: Review of Prodigiosin, Pigmentation in Serratia marcescensThe Online Journal of Biological Sciences has decided to retract the manuscript titled "Review of Prodigiosin, Pigmentation in Serratia marcescens" authored by Anita Khanafari, Mahnaz M. Assadi, and Fatemeh A. Fakhr, published in Volume 6, Issue 1 with the page numbering 1-13. After receiving a complaint, the editorial office found that the manuscript contains plagiarized material from the manuscript entitled … …OnLine Journal of Biological Sciences, Vol. 22, Issue 4 · 31 Dec 2022 · 5,066 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleRETRACTED: Review of Prodigiosin, Pigmentation in Serratia marcescensAnita Khanafari, Mahnaz M. Assadi, Fatemeh A. FakhrThe Online Journal of Biological Sciences has decided to retract the manuscript titled "Review of Prodigiosin, Pigmentation in Serratia marcescens" authored by Anita Khanafari, Mahnaz M. Assadi, and Fatemeh A. Fakhr, published in Volume 6, Issue 1 with the page numbering 1-13. After receiving a complaint, the editorial office found that the manuscript contains plagiarized material from the manuscript entitled … …OnLine Journal of Biological Sciences, Vol. 6, Issue 1 · 30 Jun 2006 · 17,480 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsLead Phytotoxicity Induced Changes in Biochemical Markers in Germination and Seedlings in Durum Wheat Triticum durum Desf. Cv.Vitron and GtaSoraya Slimani, Mokhtar Boudelaa, Saddek Abdelmadjid et al.Among the heavy metals most commonly found on land, lead is a strongly represented pollutant in soil and sediments. It is easily absorbed and accumulated in different parts of plants. On the macroscopic scale, lead causes unfavorable effects on plants. First and in the event of excess, it may exert toxicity affecting several stages of germination development in leaf formation … …American Journal of Environmental Sciences, Vol. 13, Issue 4 · 6 Sep 2017 · 7,480 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsMorphological Diversity of Isolated Mycobacterial Cultures in the Republic of Kazakhstan: Implications for Diagnostics and TreatmentAssiya Borsynbayeva, Kairat Turgenbayev, Gulzhauhar Sarsenova et al.The study of mycobacterial morphology in the Republic of Kazakhstan is relevant due to the increasing burden of tuberculosis and other mycobacterial diseases. The aim of this study was to comprehensively describe the morphological characteristics of different mycobacterial species identified in Kazakhstan, which will help to improve diagnostic methods and develop new approaches to treatment. Comparative and cross-cultural analyses were … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 1 Dec 2025 · 2,203 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsExploring the Synergistic Effects of Agitation on the Interaction Between Nanoparticles of Polyethylene and Benzophenone in Microalgae Tetraselmis sp.Rafaela Luiza Dias Da Cunha, Camyla Lais Costa Leal, Lycia Brito-GitiranaAebi, H. (1984). Catalase in Vitro. In Methods in Enzymology (1st ed., Vol. 105, pp. 121–126). Academic Press. https://doi.org/10.1016/s0076-6879(84)05016-3 Bannister, J. V., & Calabrese, L. (1987). Assays for Superoxide Dismutase. Methods of Biochemical Analysis, 32, 279–312. https://doi.org/10.1002/9780470110539.ch5 Camacho, F. G., Gómez, A. C., Sobczuk, T. M., & Grima, E. M. (2000). Effects of Mechanical and Hydrodynamic Stress in Agitated, Sparged … …American Journal of Environmental Sciences, Vol. 19, Issue 5 · 28 May 2024 · 4,816 accessesView PDF Cite