Academic literature on the topic 'Keywords: Antibacterial'
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Journal articles on the topic "Keywords: Antibacterial"
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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%, and 60% in triplicate. The test bacteria used MRSA ATCC 33591 bacteria. Antibacterial activity was assessed from the diameter of the inhibition zone formed in bacterial cultures on agar media. Results: The inhibition zone were not formed after ethanolic extract of Plumeria rubra L. flowers at various concentrations. These were not antibacterial activity shown from Plumeria rubra L. flowers extract at concentrations of 20%, 40%, and 60%. Conclusions: The ethanolic extract of Plumeria rubra L. flowers does not show antibacterial activity against MRSA bacteria. Keywords: Red frangipani flowers (Plumeria rubra L.), antibacterial activity, MRSA.
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Rochman, Rizal Dwinto, Titiek Sunartatie, and Usamah Afiff. "Eksplorasi Antibakteri dari Kapang Tanah Arboretum." Jurnal Ilmu Pertanian Indonesia 25, no. 3 (2020): 456–61. http://dx.doi.org/10.18343/jipi.25.3.456.
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Research to discover new antibacterial agent has been increasing due to the increasing number of pathogenic bacteria become antibiotic-resistant. Microbiomes in soil mold have antibacterial potency by producing secondary metabolites. The aim of this research was to isolate soil molds from the Faculty of Forestry Arboretum at IPB University. Arboretum’s soil was sampled ± 7.5 g from several points with maximum depth of 15 cm from surface. Mold isolate were cultivated for 28 days using waterbath shaker. Cultivated mycelium and soil filtrate were then separated and extracted using different methods and solvents, prior to antibacterial activity test using agar well diffusion method. Six isolates from Aspergillus, Penicillium, Paecilomyces, and Verticilium were used in this research. Cultivatation using sabouraud dextrose broth (SDB) contains pepton and dextrose in 25°C capable of stimulating mold growth. The research showed the result of secondary metabolit had antibacterial characteristic toward tested bacteria. The results of antibacterial activity test on both mycelium and soil filtrate extract showed that soil mold isolates had antibacterial activity against Staphylococcus aureus and Escherichia coli. Isolate 103A originated from soil filtrate formed the largest inhibition zone on both tested pathogens.
 
 Keywords: antibacteria, mycelium, soil filtrate, soil mold
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Kurniawati, Pipin T., H. Soetjipto, and Leenawati Limantara. "ANTIOXIDANT AND ANTIBACTERIAL ACTIVITIES OF BIXIN PIGMENT FROM ANNATTO (Bixa orellana L.) SEEDS." Indonesian Journal of Chemistry 7, no. 1 (2010): 88–92. http://dx.doi.org/10.22146/ijc.21719.
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Research on Bixa orellana L. have been done to isolate, identify and determine bixin percentage, the antioxidant and antibacterial activities of bixin from B. orellana seed. Isolation and identification of bixin was done by thin layer chromatography (TLC), column chromatography, chemical test of bixin and UV-Vis double beam spectroscopy. Percentage of bixin was calculated by JECFA method, the antioxidant activity was determined by DPPH (1-1 diphynilpicrylhidrazil) method while antibacterial activity was analyzed by the use of agar diffusion method. Thin layer chromatography (TLC) for the crude extract contained 5 spot, where spot 5th was bixin. Bixa orellana has 75±3% of bixin. Antioxidant activity of bixin had IC50 548.5±20.0 ppm. Whereas the antibacterial activity of bixin against the Escherichia coli and Staphylococus aureus could be classified as weak inhibition category at 500-750 μg and medium inhibition category at 1500 μg. Keywords: Bixa orellana L., bixin, antioxidant, antibacteria
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N, Asmathunisha. "Rapid Method for Detecting Bactericidal Effects of Mangrove Derived Silver Nanoparticles Using Resazurin Microdilution Assay." International Journal for Research in Applied Science and Engineering Technology 9, no. 8 (2021): 2438–42. http://dx.doi.org/10.22214/ijraset.2021.37784.
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Abstract: Nanoparticles plays a vital role in the field of antimicrobial agents against pathogenic microorganisms. Screening of nanoparticles for antimicrobial activities is a time consuming and cumbersome process. Recently, a simple technique of using the dye resazurin has been used as an indicator of bacterial growth for testing antimicrobial activity on microtitre plate. However, this technique does not quantify the microbial load. Therefore, the present work was attempted to find a new antibacterial method employing the dye resazurin assay and haemocytometric counting of microbes for testing silver nanoparticles synthesised from Xylocarpus mekongensis .The bacterial strains E. coli, S. aureus and P. aeruginosa (multi-drug resistant strain) were used to evaluate the screening of mangrove extracts. Minimum inhibition concentration (MIC) was also calculated for the silver nanoparticles using ciproflaxcin as reference antibiotic. The antibacterial activity Xylocarpus mekongensis was carried out against all the three bacteria by the same method and the values were compared with reference antibiotic. The present study has suggested a rapid, dependable, easy and inexpensive method, suitable for testing the antibacterial activity of silver nanoparticles which are promising to develop as new antibacterials. Keywords: Mangroves, Silver, Nanoparticles, Resazurin, Antibacterials
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Yefrida, Farrah Aprilina, Indri Ticel Leone, and Refilda. "UJI AKTIVITAS ANTI BAKTERI ASAP CAIR YANG BERASAL DARI BATANG KAYU MANIS DAN KULIT KACANG TANAH." Jurnal Riset Kimia 2, no. 2 (2015): 190. http://dx.doi.org/10.25077/jrk.v2i2.161.
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ABSTRAK Antibacterial agent is a compound that prevent the growth and reproduction of bacteria. Antibacterial activity of liquid smoke is caused by acid and fenolic compound. In this research, we determined antibacterial activity of liquid smoke from stem sweet wood and nut shell by using diffusion method. Both of liquid smoke have antibacterial activity to Staphylococcus aureus Eschericia coli population. Their activity almost the same to chloramphenicol, but less than formalin. Keywords : antibacterial activity, liquid smoke, diffusion method
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Shermatova, G. D. "Antibacterial and Antifungal Activities of Rumex Confertus Willd." International Journal for Research in Applied Science and Engineering Technology 9, no. 12 (2021): 855–56. http://dx.doi.org/10.22214/ijraset.2021.39666.
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Abstract: The leaves and roots of Rumex confertus Willd were tested in vitro for antibacterial and fungal activity in the fractions of gasoline, chloroform, ethyl acetate and butanol. As a result, it was found that the leaves of the Rumex confertus Willd plant, chloroform and ethyl acetate fractions of the root part have antibacterial activity against fungi and gram-positive bacteria. Keywords: Rumex confertus Willd, fractions, extracts, antibacterial, antifungal
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Rather, Ashaq Hussain, Surendra Singh, and Sameer Choudhary. "Antibacterial Activity of Haematococcus pluvialis Crude Astaxanthin Extract." Journal of Drug Delivery and Therapeutics 11, no. 2-S (2021): 28–30. http://dx.doi.org/10.22270/jddt.v11i2-s.4662.
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H. pluvialis is the potential source of natural astaxanthin, which is considered as super antioxidant. In the present investigation, astaxanthin was extracted from the encysted cells of H. pluvialis with acetone, methanol, DMSO and hexane, the crude extracts were tested for four strain (Escherichia coli, Salmonella typhi, Vibrio cholera and Staphylococcus aureus)of bacteria for the antibacterial activity. Highest antibacterial activity was observed as 10.2 ±0.20 mm extracted with acetone on Escherichia coli while as least antibacterial activity was found as6.1±0.0 mm extracted with hexane on Vibrio cholera.
 Keywords: Haematoccoccus pluvialis; Astaxanthin; Antibacterial.
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More, Manoj Kumari. "Design, Synthesis, Characterization and Biological Evaluation of Novel Depsides as Potential Antibacterials." Journal of Drug Delivery and Therapeutics 14, no. 3 (2024): 100–105. http://dx.doi.org/10.22270/jddt.v14i3.6474.
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Sixteen depsides were synthesized to screen for their antibacterial activity. All of them were reported for the first time. Their chemical structures were clearly determined by FTIR, 1H NMR, ESI mass spectra. All the compounds were assayed for antibacterial and antifungal activities against two Gram-positive bacterial strains (Bacillus subtilis ATCC 6633) and (Staphylococcus aureus ATCC 29747)and two gram-negative bacterial strains (Escherichia coli ATCC 8739) and (Pseudomonas aeruginosa ATCC 25619) the MIC and zone of inhibition calculated by cup-plate method and serial dilution method and two fungal strains (Aspergillus niger ATCC 90292) and (Candida albicans ATCC 24433)by the micro-broth dilution method.Compound2-(2- propoxy -2-oxoethylphenyl (4-methoxyphenyl)acetate(P6) and 2-(2- propoxy-2-oxoethylphenyl(4-methylphenyl)acetate(P7) showed powerful antibacterial activities against E. coli with MIC of 2.0 40mg/ml while compound 2-(2- propoxy -2-oxoethylphenyl(4-methylphenyl)acetate (P7) and 2-(2- propoxy -2-oxoethylphenyl and (3-methoxyphenyl)acetate (P8) exhibited significant antibacterial activities against B. subtilis with MIC of 3.12 40mg/ml, which were superior to the positive controls amoxycillin trihydrate and ciprofloxacin HCl, respectively and compound 2-(2- propoxy -2-oxoethyl) phenyl 4-methylbenzoate (P8) was found to have highest antifungal activity against Candida albicans ATCC 24433. On the basis of the biological results, quantitative structure activity relationships were discussed.
 Keywords: Depsides, Antibacterials, Antifungal, Quantitative structure activity relationship.
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PUTRA, AKBAR DIOSASQIA. "PENGARUH PEMBERIAN EKSTRAK BAWANG PUTIH (Allium sativum Linn) TERHADAP ZONA HAMBAT PERTUMBUHAN BAKTERI Staphylococcus epidermidis secara in vitro." JURNAL AGRI-TEK : Jurnal Penelitian Ilmu-Ilmu Eksakta 20, no. 1 (2019): 28–31. http://dx.doi.org/10.33319/agtek.v20i1.35.
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Background:Infectious diseases are the main cause of high morbidity and mortality rates, especially in developing countries such as Indonesia.Indonesia is abundant with plants that can be used as herbal medicine. Garlic is known as having antibacterial elements, one of them is for Staphylococcus epidermidis which is one cause of dermal disease. This disease is often ignored in Indonesia because the price of the drug is not affordable by the community. So that garlic should be used as an alternative medicineObjective: This study aims to determine the antibacterial effect of garlic extract (Allium sativum L.) retarding the growth of Staphylococcus epidermidis.Methods: This study is experimental laboratory using plate diffusion method of "Postest Ony Control Group Design" design. There are 7 groups, 5 treatment groups and 2 control groups. The concentration of treatment group was 100%, 50%, 25%, 12,5%, 6,25% while for positive control using chloramphenicol and aquadest as negative control. The bacteria used were Staphylococcus epidermidis.Results: The results showed that garlic extract (Allium sativum L.) had an antibacterial effect in inhibiting the growth of Staphylococcus epidermidis. The inhibitory zone concentration in the statistical results shows there are significant differences with values p = 0.000 or p <α.Conclusion: The conclusion of the study showed that Garlic Extract (Allium sativum L.) had an antibacterial effect to retarding the growth of Staphylococcus epidermidis..Keywords: Staphylococcus epidermidis, garlic, antibacteria
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Cendikiawan, Reagan, and Yosi Kusuma Eriwati. "Fluoride Varnish with Antibacterial Agents for Dental Caries Prevention: A Short Review on Its Fabrication." Journal of Indonesian Dental Association 6, no. 2 (2023): 125. http://dx.doi.org/10.32793/jida.v6i3.1044.
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 Introduction: In recent years, the medical field has begun to use medicinal plant in the manufacture of modern medicines. Most of the medicinal plants used have antibacterial properties such as cinnamon, clove, betel, and holy basil. These medicinal plants could be used in the manufacture of fluoride varnish to support antibacterial properties in preventing the development of dental caries. Objective: This study aimed to provide update review of medicinal plant used as antibacterial agent in the fabrication of fluoride varnish to prevent dental caries. Method: Data collection were carried out by searching the literature on article search sites, namely PubMed and Scopus which were published from 2017 to 2022. Data searches were carried out systematically using the keywords fluoride varnish, dental caries, antibacterial, and fabrication. The author performs data search, data selection, and data extraction. Results: Only nine articles were found after a thorough selection process and database search using search terms and keywords. Seven of the studies were in vitro study and two was randomized clinical trial (RCT). In the overall fluoride varnish efficacy study, adding medicinal plant as an antibacterial agent showed strong antibacterial action against S. mutans with great bacterial inhibition zone. Together with its constituent parts, the fabricating method, such as the temperature and stirring rate, influence the optimal result of fluoride varnish. Conclusion: The addition of medicinal plants and method modification in the fabrication of fluoride varnish showed potential antibacterial properties that enhance higher fluoride release.
Book chapters on the topic "Keywords: Antibacterial"
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Martins, Maria Eduarda Nascimento, Mariana Alves Rossi Faleiros, Maria Aline Morais Souza, Glaciele Maria de Souza, Renata Pereira Georjutti, and Débora Souto-Souza. "CTZ (chloramphenicol, tetracycline and zinc oxide) obturator paste for primary teeth: An important approach in pediatric dentistry." In Current Challenges in Dentistry: Theory and Clinical Practice. Seven Editora, 2024. http://dx.doi.org/10.56238/sevened2023.005-005.
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The maintenance of the deciduous dentition in the oral cavity until the moment of its physiological exfoliation is extremely important, and the performance of pulp therapy is indicated when the cariogenic process is installed in a broad and advanced way, reaching the pulp tissue of the dental element. The most common treatment in these cases is pulpectomy, where the filling of primary teeth is performed using obturator pastes. The objective of this study is to review and discuss the literature on the antibiotic obturator paste based on tetracycline, chloramphenicol and zinc oxide and eugenol, called CTZ. This is a paste whose treatment does not require instrumentation of the root canals, being a procedure of tissue repair and sterilization of lesions (known as LSTR). The PubMed and Scielo databases were consulted using the keywords: "endodontic treatment" AND "LSTR". The 10 most current articles and also the articles considered most relevant were used. It has been observed that CTZ paste is not yet widely used, despite not being a new paste. Due to the practicality of the technique without instrumentation indicated for necrotic deciduous teeth, its use has grown, as well as scientific studies on it. In conclusion, the technique of using the CTZ paste is very effective, conferring great advantage in the treatment of non-cooperative patients, as it is easy, simple, and can be performed in a single session, presenting antibacterial power.
Conference papers on the topic "Keywords: Antibacterial"
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Bhatt, Dr Latika, and Dr Ravindra D Kale. "Nanotech application for vector control." In 5th World Conference on Chemistry and Chemical Engineering and 5th World Conference on Advanced Materials, Nanoscience and Nanotechnology. Eurasia Conferences, 2024. https://doi.org/10.62422/978-81-970328-7-5-029.
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A significant fraction of the global infectious disease burden is due to the vector-borne infectious diseases like malaria, dengue, yellow fever and chikungunya. Almost half of the world’s population is infected with at least one type of vector-borne disease. We tried to develop a natural, low cost, safe and effective nano formulation using essential oils. . An experimental study of oil in water nanoemulsion preparation, process optimization and stability based on the required size distribution was performed with surfactant oil ratio (SOR), stirring time and speed as the variables for nanoemulsion preparation. The storage stability of the nanoemulsion was also studied in terms of particle size, pH, viscosity and zeta potential at room temperature and refrigeration temperature for a period of 6 months. The nanoemulsion was tested for its larvicidal activity against both susceptible and resistant strain of mosquito larvae’s and their antibacterial activity was also tested. Keywords: Nanao, nanoemaulsion, vector control, essential oil
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Peiris, Sriyani E., Gayani Malwattage, Raveena D. Ratnayake, Kasun L. Seneviratne, and Colin N. Peiris. "In Vitro Antibacterial Activity of Sulphur Nanoparticles as a Possible Application to Control Bacterial Blight Caused by Xanthomonas spp. in Anthurium." In SLIIT INTERNATIONAL CONFERENCE ON ADVANCEMENTS IN SCIENCES AND HUMANITIES [SICASH]. Faculty of Humanities and Sciences, SLIIT, 2022. http://dx.doi.org/10.54389/zjif6880.
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Anthurium blight is caused by Xanthomonas spp. which is regarded as the most threatening disease to the anthurium industry worldwide. Therefore, the current study was carried out to determine whether the application of sulphur nanoparticles (SNPs) is a possible solution for treating anthurium cultivars infected with Xanthomonas spp. The bacterium Xanthomonas was isolated using standard methods and a single bacterial colony was isolated using nutrient agar. The colonies were identified as Xanthomonas spp as they were gram-negative, motile rods due to the colony characters like yellow color because of the xanthin produced. The symptoms appeared in the pathogenicity test which was carried out by injecting purified Xanthomonas sp. into disease free anthurium plants confirmed the identification of the bacterial strain. Time-kill assay was conducted using Staphylococcus aureus, Escherichia coli and isolated Xanthomonas spp to investigate the behavior of SNPs. The results showed that suspension treated with 1g of SNPs for 30 minutes inhibited growth of Staphylococcus aureus colonies showing mean number of 7.92 CFU/ml compared to the control (mean number of colonies 9.09 CFU/ml ) treatment following 12 hours incubation. However, Escherichia coli, and isolated gram-negative rods (Xanthomonas spp) did not show positive influence for SNPs when compared to the control treatment. Therefore, further investigation is required to reach firm conclusions about this matter because the antimicrobial activity of SNPs varies depending on the type of target microorganisms, method and solvent used to dissolve SNPs. Keywords: Sulfur nanoparticles; Xanthomonas app; Anthurium; Bacterial blight
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Lukanc, Barbara, and Vladimira Erjavec. "Treating Burns in Cats and Dogs Using Medical Honey." In Socratic Lectures 7. University of Lubljana Press, 2022. http://dx.doi.org/10.55295/psl.2022.d11.
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Common causes of burns in small animals are household accidents or iatrogenic burns in veterinary clinics (electric heating pads…). Burns are usually treated as open wounds, where honey can be used as a dressing, that creates a moist healing environment, promotes tissue debridement, eliminates infections, has a deodorizing effect, and reduces inflammation, edema, and exudation. Honey also stimulates angiogenesis, promotes granulation tissue and epithelialization, and reduces scarring. It is important to minimise the potential contamination of burns. The high viscosity of honey acts as a physical barrier against external contaminants and the effectiveness of the barrier is enhanced by the antibacterial properties of honey. In general, antibiotics are not necessary but they are indicated in septic animals. In early stages of burn healing excessive exudate occurs, requiring dressings to be changed up to twice daily. In later stages, they are usually changed every 2-3 days. For uneventful healing, the primary layer should not adhere to the wound, which is not achieved by the application of honey. Therefore, after the application of honey we covered wounds with low-adherent absorbent dressing. We describe the treatment of a chemical burn from an iodine dressing in a cat, a thermal burn from spilled boiling soup in a cat, and a thermal burn from a heating pad in a dog with medical honey. All wounds were treated as open wounds and healed completely by second intention healing. Keywords: Burns; Cats; Dogs; Medical honey dressing
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"PREVALENCE OF BACTERIAL AND PARASITIC URINARY TRACT INFECTION AMONG ASYMPTOMATIC FEMALES IN RURAL COMMUNITIES OF OGBOMOSO." In International Conference on Public Health and Humanitarian Action. International Federation of Medical Students' Associations - Jordan, 2022. http://dx.doi.org/10.56950/eklu3082.
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Urinary tract infection is one of the most important infection causing serious diseases in tropical and sub- tropical countries of Africa. Several factors have been associated with the high prevalence of urinary tract infections in Nigeria. This study was carried out to determine the urinary tract infection status among two hundred and forty (240) asymptomatic females over a period of six weeks (March to April 2022) among 240 females between the 20-50 years of age at Iluju and Saamo village, Ogbomoso, Oyo state, Nigeria. Two hundred and forty urine samples were collected from the females. The mid- stream urine samples collected were examined microscopically for the presence of parasites, after which they were cultured, biochemical findings and antimicrobial susceptibility tests were also carried out. Out of the 240 samples, only 1(0.4%) was found positive for parasitic infection. 34(14.2%) were found to harbour Escherichia coli, 18(7.5%) were positive for Proteus mirabilis, 8(3.3%) were infected by Klebsiella pneumonia, 45(18.8%) had Staphylococcus aureus. Prevalence was found to be higher in women of reproductive age 21-25years (78%) than women above 40years (10.5%). The antimicrobial suspectibility profile indicates that the fluoroquinlonones were the most active antibacterial agents followed by the aminoglycosides. Trimethorim, oxacillim, amoxicillin showed very poor activity. This may be due to long term use of these drugs. The socio- economic status as well as the hygiene practice of the women influence the prevalence of urinary tract infections. Most of the women 134(55.8%) were aware about Urinary tract infection and 106 (44.2%) were unaware. Thus, the high infection rate among asymptomatic females in these villages were due to poor hygiene, lack of good toilet facilities and poor socio- economic status. Keywords: Bacterial, Parasitic, Rural, Ogbomoso, Females, hygiene