Relevant bibliographies by topics / Antibacterial activity Inhibition zone

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Antibacterial activity Inhibition zone'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Antibacterial activity Inhibition zone"

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Damongilala, Lena Jeane, Fitje Losung, and Verly Dotulong. "Aktivitas Antibakteri Ekstrak Rumput Laut Eucheuma spinosum Segar dari Perairan Pulau Nain Sulawesi Utara." JURNAL ILMIAH SAINS 21, no. 1 (2021): 91. http://dx.doi.org/10.35799/jis.21.1.2021.33881.

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Penelitian terhadap ekstrak metanol, fraksi etil asetat, dan fraksi butanol dari rumput laut Eucheuma spinosum menggunakan metode Disc Diffusion Test dilakukan untuk mengetahui peranannya sebagai antibakteri Escherichia coli ATCC 25922, dan Staphylococcus aureus ATCC 6538. Sebagai kontrol digunakan ekstrak (negatif) pelarut metanol, dan Amoxicilin. Konsentrasi sampel uji ditetapkan 10.000 ppm. Hasil pengujian menunjukkan adanya aktivitas antibakteri yang ditandai dengan terbentuknya zona hambat terhadap bakteri Escherichia coli ATCC 25922. Besarnya zona hambat secara berurutan untuk ekstrak me
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Hertina, Silaban, Elisabeth Bakujai Esther, and Joyce Pohan Dame. "Effectiveness test of African leaf ethanol extract against Salmonella typhi bacteria." World Journal of Biology Pharmacy and Health Sciences 13, no. 1 (2023): 056–64. https://doi.org/10.5281/zenodo.7939834.

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<em>Salmonella typhi</em>&nbsp;is a gram-negative bacterium that is a pathogen that causes dangerous infectious diseases. The bacteria resist almost all antibiotics, such as penicillin, chloramphenicol, and methicillin. The problem of resistance has become a global problem, so new antibacterial materials are needed that can inhibit the growth of&nbsp;<em>Salmonella typhi</em>. One of the plants originating from the continent of Africa is used as a medicine to treat diarrhea, diabetes, and malaria. Where to previous studies, African leaves contain flavonoids and tannins, which can inhibit the g
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Nerdy, Nerdy, Palas Tarigan, Elysa Elysa, Puji Lestari, and Siti Nurmalisa. "ANTIBACTERIAL ACTIVITY TEST OF LIME JUICE EXTRACT AGAINST ESCHERICHIA COLI." Jurnal Penelitian Farmasi & Herbal 3, no. 1 (2020): 135–39. http://dx.doi.org/10.36656/jpfh.v3i1.387.

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Lime (Citrus aurantifolia Swingle) is known to have seceral phytochemical contents (flavonoids and saponins) that can be memiliki berbagai aktivitas farmakologis yang bermanfaat. Salah satu aktivitas farmaokologis yang diberikan oleh flavonoid adalah sebagai antibacterial activity. The aims of this research was to determine the antibacterial activity of lime juice against Escherichia coli bacteria. This research used an experimental laboratory research method using antibacterial effectiveness trials against the growth of Escherichia coli bacteria. The research design for antibacterial effectiv
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Deng, Jing, Wen Li, Jian Xin Tang, Ruo Mei Wu, and Xiao Yuan Zhou. "Antibacterial Activity of Nano Silver and it’s Application in Antibacterial Paper." Applied Mechanics and Materials 200 (October 2012): 393–96. http://dx.doi.org/10.4028/www.scientific.net/amm.200.393.

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The antibacterial activity of nano silver against Escherichia coli was measured by the inhibition zone and minimal inhibitory concentrations. Results showed that the inhibition zone of nano silver was improved with the increase in concentration, and the MIC of nano silver was 15.6ppm. In addition, the antibacterial activity of the antibacterial paper was determined by inhibition zone method. The paper prepared by polyvinyl alcohol(PVA), sodium carboxymethylcellulose(CMC-Na) and starch adhesive had the greatest activity at a nano silver concentration of 400,800,600ppm respectively. The paper ba
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Chairunisa, Fernanda, Mega Safithri, and Maria Bintang. "Antibacterial Activity of Ethanol Extract of Red Betel Leaves (Piper crocatum) and Its Fractions against Escherichia coli pBR322." Current Biochemistry 9, no. 1 (2022): 1–15. http://dx.doi.org/10.29244/cb.9.1.1.

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Red betel leaf (Piper crocatum) is one of the typical Indonesian herbal plants that has an antibacterial function. This study aimed to test and measure the activity of 70% ethanol extract of red betel leaf and its fractions (n-hexane, ethyl acetate, and water fractions) as antibacterial against specific bacteria Escherichia coli pBR322 based on activity and minimum inhibitory concentration. Extraction was carried out using the maceration method and continued with fractionation based on the level of solvent polarity. Antibacterial activity was indicated by the presence of inhibition zones. The
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Satri Situmorang, Rati, Haris Munandar Nasution, Minda Sari Lubis, and Yayuk Putri Rahayu. "Bioautographic Analysis And Antibacterial Activity Test Of Mengkudu Leaf (Morinda Citrifolia L.) Ethanol Extract On The Bacteria Propionibacterium Acnes." International Journal of Health and Pharmaceutical (IJHP) 3, no. 1 (2022): 173–77. http://dx.doi.org/10.51601/ijhp.v3i1.129.

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Noni contains alkaloids, flavonoids, tripertinoid, protein, lime, iron, carotene, glycosides antarkiron. The content of anthraquinin, scaloptin, flavonoid and adaptogen compounds are active compounds that have antifungal and antimicrobial effects. The antibiotics commonly used are antibiotics such as tetracycline, clindamycin and others. These chemical-based antibacterials have many negative side effects, therefore other alternatives are needed as antibacterials, one of which is by using noni. This study aims to analyze bioautography and determine the antibacterial activity of noni leaf ethano
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Andriyono, Sapto, Tatak Dwi Cahyono, and Endang Dewi Masithah. "Antibacterial Activity of Phyllophorus sp. Methanol Crude Extract on Vibrio alginolyticus and Vibrio harveyi." Journal of Marine and Coastal Science 11, no. 3 (2022): 81–89. http://dx.doi.org/10.20473/jmcs.v11i3.37722.

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Utilization of natural materials sourced from the sea is very promising. These natural ingredients can function as antibacterials that are useful in a number of fields. This study aims to explore the extract of sea cucumber Phylloporus sp. as an antibacterial agent for Vibrio alginoliticus and Vibrio harveyi. The diffusion method was carried out with three treatments of sea cucumber extract starting at doses of 500, 1000 and 1500 mg/L with three replications for each treatment. Positive control was antibiotic Chloramphenicol 100 mg/ml (0.01%) and negative control with dimethylsulfoxide (DMSO)
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Diksha, I. Gusti Ngurah Ariestha Satya, I. Gusti Ayu Artini, I. Gusti Made Gde Surya Chandra Trapika, and Ida Ayu Alit Widhiartini. "Antibacterial Activity of Ethanolic Extract of Red Frangipani Flowers (Plumeria rubra L.) on the Growth of the Bacteria Methicillin-resistant Staphylococcus aureus (MRSA)." E-Jurnal Medika Udayana 13, no. 5 (2024): 80. http://dx.doi.org/10.24843/mu.2024.v13.i05.p13.

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Introduction: MRSA is an antibacterial resistance problem that requires serious treatment. The limitations of antibacterials make it difficult to treat infections. The development of alternative antibacterial is needed. Objectives: This study shows the antibacterial effect of ethanol extract of Plumeria rubra L. flowers against MRSA bacteria. Methods: This research is a true experimental research with the only post-test control group design. The Kirby-Bauer test method was used to evaluate the antibacterial activity of ethanol extract of Plumeria rubra L. flowers with concentrations of 20%, 40
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Marjhan, Nargish, and Md Abdul Mannan. "ANTIBACTERIAL ACTIVITY OF LAWSONIAINERMISAGAINST HUMAN PATHOGENIC BACTERIA." International Journal of Advanced Research 12, no. 02 (2024): 619–21. http://dx.doi.org/10.21474/ijar01/18336.

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Natural medicine has been the main source of primary healthcare all over the world. Since ancient times, plants have been used as a rich source of effective and safe medicines.Lawsoniainermishas efficacy on skin disease.Leaves of Lawsoniainermis provide an important cosmetic dye. Henna leaves were extensively used for centuries in the Middle East, the Far Eastand Northern Africa as dye for nails, hands, hair and textile.Lawsoniainermis contained 2-hydroxy-1,4-naphthoquinone (lawsone).Properties of Lawsoniainermis include antimicrobial, antifungal, antitumor, antiangiogenic, larvicidal, antilei
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Muğlu, Halit, Mahmut Gür, Maesm Ahmed Mohamed Ben Hsin, et al. "Synthesis and Characterization of Some New 1,3,4-thiadiazole Compounds Derived from 3,4-(Methylenedioxy)cinnamic Acid and their Antimicrobial Activities." Letters in Organic Chemistry 16, no. 10 (2019): 825–36. http://dx.doi.org/10.2174/1570178616666190118153815.

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Some new 1,3,4-thiadiazole compounds derived from 3,4-(methylenedioxy)cinnamic acid were synthesized in this study. Their structures were determined using UV-Vis, IR, 1H-NMR, and 13C-NMR spectroscopy. Moreover, the antibacterial activities of the new 1,3,4-thiadiazole derivatives were tested against Gram positive (Enterococcus durans, Bacillus subtilis, and Staphylococcus aureus) and gram negative (Salmonella typhimurium, Escherichia coli, Salmonella enteritidis, Salmonella infantis, Salmonella kentucky, Enterobacter aerogenes) bacteria using the disk diffusion method. Furthermore, their antif
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Dissertations / Theses on the topic "Antibacterial activity Inhibition zone"

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Zhang, Feifei. "Heterologous expression of thiostrepton A and biosynthetic engineering of thiostrepton analogs." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54276.

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Thiopeptides are posttranslationally-processed macrocyclic peptide metabolites, characterized by extensive backbone and side chain modifications that include a six-membered nitrogenous ring, thioazol(in)e/oxazol(in)e rings, and dehydrated amino acid residues. Thiostrepton A, produced by Streptomyces laurentii ATCC 31255, is one of the more structurally complex thiopeptides, containing a second macrocycle bearing a quinaldic acid. Thiostrepton A and other thiopeptides are of great interest due to their potent activities against emerging antibiotic-resistant Gram-positive pathogens, in addition
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Majolo, Cláudia. "Atividade antibacteriana in vitro de diferentes acessos de Bixa orellana L. (urucum) e sua relação com o teor de bixina presente nas sementes." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/24808.

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Através de Testes de Diluição em Sistema de Tubos Múltiplos determinou-se a Intensidade de Atividade de Inibição Bacteriana (IINIB/bacteriostasia) e a Intensidade de Atividade de Inativação Bacteriana (IINAB/bactericidia) de soluções contendo extratos hidroetanólicos e hídricos (decocto e infuso) de três acessos de Bixa orellana L. (urucum) a saber: Arroio do Meio/RS, Eldorado do Sul/RS e Maringá/PR, sobre inóculos padronizados de Salmonella Enteritidis (ATCC 11076), Escherichia coli (ATCC 11229), Staphylococcus aureus (ATCC 25923), Enterococcus faecalis (ATCC 19433) e Listeria monocytogenes (
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Asmyou, Sana Alhadi. "An in-vitro study of antifungal activity of gymnemic acid." University of the Western Cape, 2017. http://hdl.handle.net/11394/6239.

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Magister Chirurgiae Dentium - MChD (Oral Medicine and Periodontics)<br>Candida species are frequently isolated from oral mucosal surfaces of healthy individuals and is the most common genus responsible for up to 75% of all candidal infections. The most common problems associated management of oral candidiasis are antifungal drug resistance and side effects Natural medicine is an emerging field and is being explored to overcome drug resistance and to reduce side effects. Gymnemagenin (will be known as Gymnemic acid; GA) is a purified extract from Gymnema sylvestre, a slow growing, perennia
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PEJMAN, MEHDI. "Double-barrier membranes: coupling hydrophilic coatings with biocidal Ag-MOFs for sustainable (bio)fouling mitigation and biofilm inhibition." Doctoral thesis, Politecnico di Torino, 2022. http://hdl.handle.net/11583/2957750.

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Mota, Fabiely Machado. "Atividade antibacteriana in vitro de inflorescências de Achyrocline satureoides (Lam.) DC. - Asteraceae - ("macela", "marcela") como fator de proteção em zooneses." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/13942.

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Através de Testes de Diluição em Sistema de Tubos Múltiplos determinou-se in vitro atividade antibacteriana em inflorescências de Achyrocline satureioides (Lam.) DC. – Asteraceae (“macela”, “marcela”), expressa como Intensidade de Atividade de Inibição Bacteriana (IINIB / bacteriostasia) e Intensidade de Atividade de Inativação Bacteriana (IINAB / bactericidia), a partir de formas de extração etanólica (hidroalcoolaturas) e hídrica (decoctos), sobre inóculos padronizados de Enterococcus faecalis (ATCC 19433), Staphylococcus aureus (ATCC 25923), Escherichia coli (ATCC 11229) e Salmonella Enteri
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José, António Elísio. "Qualidade e estabilidade das propriedades físico-químicas e biológicas relacionadas as características fitoquímicas em Ipomoea batatas na perspectiva de cadeias de produção e de agregação de valor a alimentos em sistemas agropastoris familiares." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2016. http://hdl.handle.net/10183/139452.

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Experimentos com vista à avaliação das propriedades físico-quimica, fitoquímicas e biológica, bem como a sua estabilidade, em raízes tuberosas maduras, caules e folhas jovens de duas cultivares, RBS Amélia e RBS Cuia, e dois acessos de Ipomoea batatas, um de polpa púrpura com manchas brancas (C) e outro de polpa púrpura (D), cultivados ecologicamente e em condições de sequeiro na Horta Comunitária de Lomba do Pinheiro (30º 06’ 46’’ S; 51º 06’ 34’’ O) no Município de Porto alegre, RS no período de 2013 a 2015 foram efetuados nos laboratórios de Higiene, Qualidade e Microbiologia de alimentos e
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José, António Elísio. "Compostos fenólicos e atividade antibacteriana em acessos de ipomoea batatas (l.) lam (batata-doce)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2012. http://hdl.handle.net/10183/60480.

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No período compreendido entre os meses de Maio de 2010 e Dezembro de 2011 realizou-se, nos laboratórios de Higiene e Qualidade de Alimentos, de Microbiologia e Bromatologia e de Bioquímica e Microbiologia Aplicada do Instituto de Ciências e Tecnologia de Alimento (ICTA) da Universidade Federal do Rio Grande do Sul (UFRGS), experimentos com vista à quantificação de compostos fenólicos e à avaliação da atividade antibacteriana de dois acessos de batata-doce (Ipomoea batatas L. (Lam)) com objetivo de (i) avaliar a atividade antibacteriana nestes acessos perante padrões bacterianos de interesse em
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Paim, Marcelo Pinto. "Avaliação antibacteriana in vitro de extratos etanólicos de açafrão-da-terra (Curcuma longa L.) frente a microorganismos transmissíveis por alimentos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2010. http://hdl.handle.net/10183/30473.

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Através de Testes de Diluição em Sistema de Tubos Múltiplos determinou-se in vitro a Intensidade de Atividade de Inibição Bacteriana (IINIB/bacteriostasia) e a Intensidade de Atividade de Inativação Bacteriana (IINAB/bactericidia) de soluções contendo extratos etanólicos a 50% de diferentes acessos in natura de rizomas (alcoolaturas), bem como diferentes amostras comerciais de pó de rizomas (hidroalcoolaturas) de açafrão-da-terra (Curcuma longa L.), sobre inóculos bacterianos padrões de Staphylococcus aureus (ATCC 25923), Salmonella Enteritidis (ATCC 11076), Enterococcus faecalis (ATCC 19433)
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Girolometto, Giovani. "Relação entre salmonelas isoladas de alimentos e extratos de plantas condimentares, na perspectiva de atividade antibacteriana e preditividade diagnóstica." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2014. http://hdl.handle.net/10183/101655.

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As bactérias do gênero Salmonella são, atualmente, uma grande preocupação pela alta incidência de casos registrados, e um sério problema de saúde pública, pela severidade do processo infeccioso. Em função disto os protocolos de controle e legislações em vigilância em saúde obrigam a ausência total de Salmonella em alimento. Para garantir a segurança do alimento, uma crescente demanda de produtos naturais vem sendo estudas para controlar os patógenos alimentares. As plantas condimentares historicamente vêm sendo usadas para conferir sensorialidade aos alimentos, porém muitos desses recursos nat
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Passos, Marcelo Gonzalez. "Conservação e condimentação de alimentos por Ocimum gratissimum L. ("Alfavacão", "Alfavaca", "Alfavaca-cravo") - Labiatae (Lamiaceae)." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/25467.

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Através de Testes de Diluição em Sistema de Tubos Múltiplos determinou-se a Intensidade de Atividade de Inibição Bacteriana (IINIB/bacteriostasia) e a Intensidade de Atividade de Inativação Bacteriana (IINAB/bactericidia) de soluções conservantes contendo extrações etanólicas (alcoolatura/planta verde, hidroalcoolatura/planta seca) e hídricas (decoctos/planta verde ou seca) de Ocimum gratissimum L. (“alfavacão”, “alfavaca”, “alfavaca-cravo”) – Labiatae - (Lamiaceae), sobre inóculos padronizados de Salmonella Enteritidis (ATCC 11076), Escherichia coli (ATCC 11229) e Staphylococcus aureus (ATCC
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Book chapters on the topic "Antibacterial activity Inhibition zone"

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Pacheco, Patricia, Dévora Carrión, Sandy Gavilanes, and Mónica Espadero. "In vitro Antibacterial Activity of Ethanolic and Acetonic Extracts of Curcuma longa Against Propionibacterium acnes (Cutibacterium acnes)." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-87065-1_27.

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Abstract Throughout history, plants have been indispensable in the development of society due to their high content of bioactive substances, which are used in different industries such as food, pharmaceutical, and cosmetics. Curcuma longa is a perennial species that belongs to the Zingiberaceae family, which is used for therapeutic purposes due to its anti-oxidant, anti-inflammatory and antibacterial properties, among others. This research evaluates the antibacterial activity of ethanolic and acetonic extracts of Curcuma longa against Propionibacterium acnes, recently renamed Cutibacterium acn
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Kaithal, Poonam, Rajiv Kant, Rohit Lall, Archana Verma, and Preetam Verma. "Green Synthesis of Silver Nanoparticles from Madhuca longifolia and Its Antibiofilm Potential." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_16.

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AbstractThe synthesis of silver nanoparticles using plant extract as a capping agent has been very easy, economical and environment friendly method. The Madhuca longifolia is one of the well-known trees for its various benefits from food industry to its medicinal applications. It is indigenous to India, Nepal, Sri Lanka and Myanmar. In the present aqueous extract was used from leaves of M. lngifolia has been used as a capping agent to form AgNPs by reducingsilver nitrate with the help of green synthesis route. UV-visible spectroscopicy gave maximaat 420 nmconfirmed the synthesis of M. longifol
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Londonkar, Ramesh, and Maithilee Kesralikar. "In Vitro Anticancer Screening of Methanolic Extract of Stachytarpheta Mutabilis." In Proceedings of the Conference BioSangam 2022: Emerging Trends in Biotechnology (BIOSANGAM 2022). Atlantis Press International BV, 2022. http://dx.doi.org/10.2991/978-94-6463-020-6_19.

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AbstractIn therapeutic plants, phytochemicals are found in abundance. A family of verbena known as vervain (verbenaceae) consists of over 100 genera and nearly 2600 species. Among the Verbenaceae family is Stachytarpheta, a green perennial herb. The species is being examined in this study for its phytochemical, antioxidant, and anti-inflammatory properties. Stachytarpheta mutabilis methanol extracts were studied for their phytochemical screening, antimicrobial, anti-inflammatory, and anticancerous effects in the current study. Phytochemical study revealed the presence of alkaloids, flavonoids,
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Priya, K., M. Thenmozhi, S. Jayavarshini, and S. Varsha. "COMPARATIVE EVALUATION OF ANTIBACTERIAL EFFECTUAL CHARACTERISTICS OF TRIPLE HERBAL LEAF EXTRACTS AGAINST RESPIRATORY PATHOGENIC ISOLATES." In Futuristic Trends in Biotechnology Volume 3 Book 13. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3bjbt13p1ch8.

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The goal of the current study was to assess the antibacterial efficacy of herbal leaf aqueous extracts (Justicia adhatoda, Mukia maderaspatana, and Solanum triloblatum) against respiratory pathogenic isolates. The antibacterial activity of J. adhatoda's aqueous extract demonstrated a zone of inhibition of 14 mm, 15 mm, and 13 mm against E. coli, S. aureus, and K. pneumoniae, respectively, while M. maderaspatana leaf extract demonstrated a zone of inhibition of about 13 mm, 17 mm, and 21 mm against E. coli, S. aureus, and K. pneumoniae, respectively. Using the agar well diffusion method, the S.
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Jafeena, A. A., M. R. Ezhilarasi, and M. Suganthi. "SYNTHESIS, SPECTRAL CHARACTERIZATION, INSILCOMOLECULAR DOCKING STUDIES AND IN-VITRO ANTIMICROBIAL STUDIES OF 5-(4-SUBSTITUTED PHENYL)-3-(THIOPHEN-2-YL)-4, 5-DIHYDROPYRAZOLE-1-CARBOTHOAMIDE DERIVATIVES." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 11. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs11p2ch5.

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Using the melting point, Infra-red, 1-D1H and 13C NMR spectroscopic data, a new series of pyrimidines were harmonized and characterized. In vitro biological activities of all the harmonized compounds are tested. Also the same compound is tested by zone of inhibition against set of bacterial and fungal strains; by this the compound 2a tested against S.Aureus,S.Pyogenes, E.Coli, 4b against P.Aeruginosa, and this shows an excellent antibacterial activity. Similarly the compound 2c can show inhibition against C.albicans. And also all the compounds were undergone in-silico molecular docking predict
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Mandal, Rupam. "Account of Aloe barbadensis: Emphasizing Phytochemistry and Antibacterial Potential in Darjeeling Himalayas." In Progress in Chemical and Biological Science. Lincoln University College, Malaysia, 2023. http://dx.doi.org/10.31674/book.2023pcbs001.

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Plants have been widely used throughout human history as a basis for medical treatment. Ethnobotany, the study of traditional human uses of plants, is recognized as an effective way to discover future medicines. The Darjeeling Himalayas are home to a huge number of medicinal plants used by the local people. Aloe barbadensis is a plant that grows in this area and has a long history of being used as a medicinal plant with diverse therapeutic applications. The study was conducted to determine the phytochemical properties of the leaves of the plant. Flavonoidsce or absence of alkaloids, tannin, gl
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Dasari, Anjali, Srikanth Rachakonda, Veluru Sridevi, and Husam Talib Hamzah. "SYNTHESIS AND APPLICATION OF SILVER NANOPARTICLES." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 17. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs17p3ch4.

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In this study, a chemical processing scheme was employed to recover silver metal from waste radiographic films, utilizing a simple and eco-friendly approach for the green synthesis of silver nanoparticles. The process involved dissolving the films in 1N nitric acid (HNO3) solution at 90°C for approximately 1 hour, converting silver into silver nitrate (AgNO3(aq)). The obtained aqueous silver nitrate (1mM) was derived through the extraction of X-ray sheets. Subsequently, the aqueous silver ions were exposed to leaf broth of Psidium guajava as a reductant, leading to the green synthesis of silve
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"Antibacterial action of hop resin materials." In European brewery convention. Oxford University PressOxford, 1991. http://dx.doi.org/10.1093/oso/9780199632831.003.0022.

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Abstract The antibacterial properties of hop resins has been shown to result from their ability to act as ionophores (ion-carriers). The resins conduct protons (and other ions) across cell membranes of sensitive bacteria causing inhibition of nutrient transport. The implications of these findings for practical brewing are i) small changes in beer pH induce large changes in antibacterial activity, ii) alcohol, although possessing antibacterial activity, does not enhance the action of hop resins, iii) hop substances can be used as selective agents in microbiological tests if certain variables ar
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Acharya, Suchismita, Priyanka Dash, and M. Priyanka. "SYNTHESIS, CHARACTERIZATION AND ANTIBACTERIAL APPLICATIONS OF ZNO NANOPARTICLES UTILIZING SEED SOURCE OF MYRISTICA FRAGRANS (NUTMEG)." In Futuristic Trends in Chemical Material Sciences & Nano Technology Volume 3 Book 14. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/v3becs14p1ch1.

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ZnO nanoparticles were fabricated using plant seed extract from the Myristica fragrans species, utilising the solution combustion method and their antibacterial activities are investigated. ZnO nanoparticles are characterized by using Fourier Transform Infrared Spectroscopy (FT-IR), X-ray Diffraction Techniques (XRD), Field Emission Scanning Electron Microscopy (FE-SEM), Transmission Electron Microscopy (TEM). The antibacterial activity against Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Acinetobacter baumannii were determined by using Broth-based tur
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R, Krishnaveni, Ayisha Shifana A, Thameena Begam M, Aseela Maimoona H, and Keerthika S. "ISOLATION AND CHARACTERIZATION OF MICROBES FROM DIABETES MELLITUS CELLULITIS WOUND SAMPLE AND ESTIITS ANTIMICROBIAL PROPERTIES." In Futuristic Trends in Biotechnology Volume 2 Book 28. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2023. http://dx.doi.org/10.58532/v2bs28ch7.

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Bacterial Cellulitis is a spreading skin infection and causes skin lesions, necrotizing fasciitis, septic Arthritis and Osteomyelitis. It Damage the skin causes an abscess, Folliculitis. In the present study carriedout isolation and characterization of microbes from Cellulitis wounds samples from Diabetes Mellitus patients and testing its antimicrobial activity against the herbal plants, medicinal plants Biden spilosa, Aloe barbadensis ,Rauvolfia serpentina. Streptococcus sp., shows maximum zone of Inhibition (13mm) and minimum in Aloe barbadensis (1mm). In the present study it concludes Rauvo
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Conference papers on the topic "Antibacterial activity Inhibition zone"

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Marliyana, Soerya Dewi, Maulidan Firdaus, Muhamad Widyo Wartono, Diana Inas Utami, and Uly Wulan Apriani. "Evaluation of the Antibacterial Activity of Pinostrobin Derivative Compounds from Ethylation and Allylation Reactions." In 8th International Conference on Advanced Material for Better Future. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-s3ucax.

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Temu Kunci (Kaempferia pandurata Roxb.) is one of the plants from the Zingiberaceae family that contains secondary metabolites derived from flavonoids. Studies on the bioactivity of flavonoid compounds from this species have shown various biological activities such as antibacterial, antioxidant, antiviral, antitumor, antipyretic, anti-inflammatory, analgesic, and insecticidal properties. Pinostrobin (5-hydroxy-7-methoxy flavanone) (1) is the major flavonoid found in the rhizomes of this plant and has been successfully derivatized through ethylation and allylation reactions. Two compounds were
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Nilaweera, Githmi, Charitha Thambiliyagodage, Madara Jayanetti, and Heshan Liyanaarachchi. "Antibacterial Activity of Cu Decorated TiO2 Nanorods." In SLIIT International Conference on Advancements in Sciences and Humanities 2023. Faculty of Humanities and Sciences, SLIIT, 2023. http://dx.doi.org/10.54389/nqmv4244.

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Global public health is seriously threatened by the spread of infectious illnesses in general, particularly by the appearance of bacterial strains that are resistant to antibiotics. New antibacterial drugs are likely a result of recent developments in the field of nanobiotechnologies, particularly the ability to make metal oxide nanomaterials with specific morphologies. Using antibiotics for a long time period will show antibiotic resistance in host cells, which means the drug does not kill the pathogen anymore. As a solution to this problem, nanoparticles can be used. Researchers may find nan
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Kumarasinghe, N. M. A., Charitha Thambiliyagodage, Madara Jayanetti, and Heshan Liyanaarachchi. "Antibacterial Activity of Zn Decorated TiO2 Nanocomposites." In SLIIT International Conference on Advancements in Sciences and Humanities 2023. Faculty of Humanities and Sciences, SLIIT, 2023. http://dx.doi.org/10.54389/usor2577.

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Bacterial infections have a significant public health impact. Infections are caused by bacteria in animals, plants as well as humans. Pathogenic bacteria can produce toxins, which are chemical poisons that interfere with cell function such as digestion of normal human enzymes, evasion of infection-fighting white blood cells, and immune clearance. Antibiotic prophylaxis is used to prevent bacterial infection. Antibiotic resistance is one of the most serious concerns in world health. Antibacterial nanoparticles are one possible answer to antimicrobial resistance. These nanomaterials not only kil
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Hasan RAHEEM, Zahraa, Mayson Thafir HADI та Saba jaafar AJEENA. "SYNTHESIS, CHARACTERIZATION AND ANTIBACTERIAL ACTIVITY OF α-MnO2 NANORODS BEFORE AND AFTER DOPING WITH SOME TRANSITION METAL IONS". У VIII.International ScientificCongressofPure,AppliedandTechnological Sciences. Rimar Academy, 2023. http://dx.doi.org/10.47832/minarcongress8-14.

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The over use of some antibiotics can lead to the appearance of some resistant bacteria that can cause some serious illnesses. Hence, many intentions to prepare new materials that can act as antibacterial agents have been made over the last few years. Some nanomaterials are known to have good antibacterial activity. The aim of this paper is to describe the synthesis of manganese dioxide α-MnO2 nanorods before and after doping with (5% wt.) of the following transition metal ions (Fe+3, Co+3, Ni+2 and Cu+2) using a simple hydrothermal method and to compare the antibacterial activity of these mate
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Saeed MOHAMMED, Luma. "STUDY THE ANTIBACTERIAL ACTIVITY OF ALCOHOLIC EXTRACT OF ALLIUM SATIVUM ON PSEUDOMONAS AERUGINOSA AND COMPARE WITH SOME ANTIBIOTICS." In V. International Scientific Congress of Pure, Applied and Technological Sciences. Rimar Academy, 2022. http://dx.doi.org/10.47832/minarcongress5-3.

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Twenty isolate of P.aerugiosa isolated from Baghdad hospitals identified morphologically and biochemical tests then vitek system.Disk diffusion method carried out to determined the sensitivity of bacterial isolates to different antibiotics like amoxicillin,ciprofloxacin, meropenem and cefotaxim by using Muller-Hinton agar, the results showed that 100% of isolates had resistance to amoxicillin,40% of resistance to cefotxim, 20% of resistance to ciprofloxacin and meropenem. Agar well method used to determined the minimal inhibitory concentrations for alcoholic extract of Allium sativum which pre
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Berechet, Mariana Daniela, Demetra Simion, Rodica Roxana Constantinescu, Maria Stanca, and Cosmin Andrei Alexe. "Active Principles in Basil Essential Oil – Ocimum basilicum L. Cotton Linings with Antibacterial Properties." In The 9th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2022. http://dx.doi.org/10.24264/icams-2022.ii.3.

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Ocimum basilicum L. is an aromatic plant in the family Lamiaceae with bioactive properties used since ancient times in traditional medicine. The active ingredients of basil essential oil can be used in perfumes, pharmaceuticals, medicine, cosmetics or spices. In this study, the essential oil of basil was obtained by hydrodistillation in the Clevenger continuous extractor. It was characterized by GC-MS and 53 constituent compounds were identified. The majority compounds were highlighted: linalool, 64,569%, p-allyl anisol, 5,163%, Eucalyptol, 3,745%, α-Cadinene, 3,510%. Kovats indices were calcu
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Vasile, Georgiana, Andreea Țigău, Alina Popescu, Rodica Roxana Constantinescu, and Laura Chirilă. "Hydrogels-Based Textile Materials for Treatment of First-Degree Burn Injuries." In The 9th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2022. http://dx.doi.org/10.24264/icams-2022.ii.28.

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Hydrogels based on collagen and xanthan have found various applications as drug delivery carriers. The main strategy is to combine the traditional perspective of using essential oils with polymeric hydrogels in order to develop a potential dressing that provides wound healing for first-degree burn injuries. In this regard, the present study is aimed to develop textile materials with potential for use in the treatment of first-degree burn injuries by approaching the hydrogels based on xanthan gum and collagen as polymeric matrix loaded with essential oils (cinnamon essential oil, tea tree essen
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MOLDOVAN, Cristina, Tamara SÎRBU, and Olga ȚURCAN. "Antibacterial activity of some strains of aquatic fungi of the genus Penicillium, Trichoderma and Talaromyces." In "Instruire prin cercetare pentru o societate prosperă", conferinţă ştiinţifico-practică internaţională. Ion Creangă Pedagogical State University, 2024. https://doi.org/10.46727/c.v1.16-17-05-2024.p246-252.

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The diversity of freshwater fungi is great, but studies of aquatic fungi are still in their infancy. Studying the biodiversity of freshwater micromycetes is very necessary to complete the knowledge about this enormous group of microorganisms. This paper deals with the research results of studies on the antimicrobial activity of micromycetes of the genus Penicillium, Trichoderma and Talaromyces isolated from the mud, the water column and the biofilm of the lake system of the park "La Izvor" (Chisinau city). The antimicrobial activity of 33 strains was determined by the disk diffusion method, th
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Farag, Radwan S., and Layla S. Tawfeek. "ANTIBACTERIAL POTENTIAL AND CYTOTOXICITY EFFECTS OF SOME PLANTS' CRUDE JUICES." In 22nd SGEM International Multidisciplinary Scientific GeoConference 2022. STEF92 Technology, 2022. http://dx.doi.org/10.5593/sgem2022v/6.2/s25.08.

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In the latest years, there was an interest in seeking for antimicrobial substances of botanical parts that have capability to suppress foodborne pathogens. Therefore, the antibacterial activity was evaluated on the crude juices produced from the mechanical pressing of some agro and food industrial byproducts, i.e., pomegranate leaves and peels and the leaves of fig, guava and olive. Also, the cytotoxicity effects of these crude juices on normal cells were estimated to check the safety of these crude juices on the human body. The results elucidate that the crude juice of pomegranate peels showe
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Chirila, Laura, Marcela Corina Rosu, Sabina Olaru, et al. "Cotton fabrics coated with Ag-TiO2 and Ag-TiO2/reduced graphene oxide nanocomposites." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.i.6.

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Ag-TiO2 and Ag-TiO2/reduced graphene oxide nanopowders were deposited onto 100% cotton fabrics via electrostatic spraying method. The surface of cotton fabrics was pre-treated by plasma at atmospheric pressure using argon and nitrogen mixture. The as-prepared cotton fabrics were characterized in terms of structural and optical properties by X-ray diffraction (XRD) and optical reflectance measurements. The photocatalytic self-cleaning ability of Ag-TiO2 and Ag-TiO2/reduced graphene oxide coated cotton fabrics was evaluated by the photo-discoloration of methylene blue and berries juice stains, u
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Reports on the topic "Antibacterial activity Inhibition zone"

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Ramnaraine, Daveena. Beyond Antibiotics: Exploring the Antibacterial Mechanisms and Efficacy of Medicinal Plants and Endophytic Fungi. Florida International University, 2025. https://doi.org/10.25148/fiuurj.3.1.14.

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Due to the overuse of antibiotics, antibiotic resistance has become a global health crisis, and has forced an exploration of alternative antibacterial agents. This review explores natural solutions through the antibacterial potential of medicinal plants and their symbiotic endophytic fungi. Medicinal plants have been utilized for centuries to treat infections because of their rich phytochemical content, including alkaloids, flavonoids, and saponins, which exhibit antibacterial properties. Their efficacy is measured through minimum inhibitory concentration (MIC) assays, which showcase their abi
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ศรีอุบลมาศ, นงลักษณ์, อารี ลออปักษา та สารี วิรุฬหผล. ฤทธิ์ต้านจุลชีพของน้ำผึ้ง. จุฬาลงกรณ์มหาวิทยาลัย, 1991. https://doi.org/10.58837/chula.res.1991.7.

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น้ำผึ้งทดสอบ 10 ตัวอย่าง มีฤทธิ์ยับยั้งการเจริญเติบโตของ Trichophyton mentagrophytes, Microsporum gypseum, และ Epidermophyton flocccosum โดยมีค่าเฉลี่ยเส้นผ่าศูนย์กลางของโซนใสอยู่ในช่วง 19.58 ? 0.29, 17.00 ? 0.61 ถึง 29.62 ? 0.29 และ 20.40 ? 1.59 ถึง 46.36 ? 1.06 มิลิลิตร ตามลำดับ น้ำผึ้งจากต่างประเทศมีฤทธิ์ยับยั้งการเจริญต่ำสุด ในขณะที่น้ำผึ้งตัวอย่างจากจังหวัดชุมพรให้ค่าสูงสุดจากตัวอย่างน้ำผึ้งอื่นๆ อย่างมีนัยสำคัญทางสถิติ ตัวอย่างน้ำผึ้งทั้งหมดไม่มีผลยับยั้งการเจริญเติบโตของ Aspergillus niger และเชื้อยีสต์ 2 ชนิด Saccharomyces cerevisiae และ Candida albicans เมื่อเปรียบเทียบกับกลุ่มควบคุมซึ
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Siripatrawan, Ubonratana. Active Chitosan-Based Film with Antimicrobial Property for Food Packaging Application. Chulalongkorn University, 2010. https://doi.org/10.58837/chula.res.2010.22.

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This research was aimed to develop an active film from chitosan film incorporated with green tea extract to enhance antioxidant and antimicrobial properties in order to be used for food shelf life extension. The experiments were divided into 3 parts. Firstly, chitosan-based film preparation and modification were determined. The results suggested that the optimum chitosan films could be prepared from 2% chitosan in 1% acetic acid. However, the chitosan film was brittle and had low flexibility. Mechanical property of chitosan film was modified by adding different concentrations of glycerol, as a
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