Antibacterial activity of nanostructured Ti–45S5 bioglass–Ag composite against Streptococcus mutans and Staphylococcus aureus

2016 ◽  
Vol 26 (1) ◽  
pp. 118-125 ◽  
Author(s):  
K. JURCZYK ◽  
M.M. KUBICKA ◽  
M. RATAJCZAK ◽  
M.U. JURCZYK ◽  
K. NIESPODZIANA ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Streptococcus Mutans ◽  
45S5 Bioglass ◽  
And Staphylococcus Aureus

scholarly journals UJI AKTIVITAS ANTIBAKTERI PASTA GIGI EKSTRAK BIJI PINANG (Areca catechu L.) TERHADAP Streptococcus mutans DAN Staphylococcus aureus

2015 ◽  
Vol 1 (1) ◽  
pp. 48-58
Author(s):  
Nur Afni ◽  
Nasrah Said ◽  
Yuliet Yuliet
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Streptococcus Mutans ◽  
Natural Material ◽  
Betel Nut ◽  
Test Results ◽  
Physical Quality ◽  
Areca Catechu ◽  
And Staphylococcus Aureus

Betel nut (Areca catechu L.) is a natural material that has antibacterial activity content against Streptococcus mutans and Staphylococcus aureus. Under these conditions, betel nuts were formulated in a toothpaste that has antibacterial activity.This study aims to determine the antibacterial activity of betel nut extract in toothpaste with various concentrations of 1.5%, 3% and 4.5% and to determine the effective concentration of betel nut extract in toothpaste that meets the physical quality of chemical and antibacterial activity against Streptococcus mutans and Staphylococcus aureus. The research design used was a completely randomized design (CRD). Extraction was done by maceration using ethanol 96%. Viscous extract obtained in the preparation of toothpaste formulated with a concentrations of 1.5%, 3% and 4.5%. All tested formula toothpaste physical quality of chemical (organoleptic, homogeneity, pH, viscosity and foaming) and antibacterial activity. The data obtained in the physical quality of chemical testing were analyzed descriptively and antibacterial activity data were statistically analyzed using One Way ANOVA at 95% confidence level, followed by Duncan test using SPSS. The test results show that the antibacterial toothpaste with betel nut extract concentrations of 1.5%, 3% and 4.5% show antibacterial activity against Streptococcus mutans and Staphylococcus aureus. Formula toothpaste as an antibacterial effective against bacteria test is F3 with betel nut extract concentration of 4.5%, which result in the diameter of the inhibition of Streptococcus mutans by 11.37 mm and 20.03 mm for Staphylococcus aureus. The test results show all the physical quality of chemical toothpaste betel nut extracts meet the physical quality of chemical toothpaste

scholarly journals Biocidal activity of Ba2+-doped CeO2 NPs against Streptococcus mutans and Staphylococcus aureus bacterial strains

RSC Advances ◽  
2021 ◽  
Vol 11 (49) ◽  
pp. 30623-30634
Author(s):  
Natarajan Sisubalan ◽  
Chandrasekaran Karthikeyan ◽  
Venugopal Senthil Kumar ◽  
Kokkarachedu Varaprasad ◽  
Abdulrahman Syed ahamed Haja Hameed ◽  
...  
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Streptococcus Mutans ◽  
Bacterial Strains ◽  
Biocidal Activity ◽  
Healthcare Applications ◽  
Doped Ceo2 ◽  
And Staphylococcus Aureus

The highest antibacterial activity was achieved for Ba-doped CeO2 (BCO) NMs and is suitable for healthcare applications.

scholarly journals Synthesis and antimicrobial activities of novel n-substituted 8-(1-alkyl/alkylsulphonyl/alkoxycarbonyl-benzimidazol-2-ylmethoxy)-5-chloroquinolines

2011 ◽  
Vol 76 (9) ◽  
pp. 1199-1206 ◽  
Author(s):  
Raju Chaudhari ◽  
Sahebrao Rindhe
Keyword(s):  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Nitrogen Heterocycles ◽  
Antimicrobial Activities ◽  
Mass Spectral Data ◽  
Antifungal Activities ◽  
Mass Spectral ◽  
Electrophilic Reagents ◽  
Almost All ◽  
And Staphylococcus Aureus

Herein the synthesis of a series of novel 8-(1- alkyl/alkylsulphonyl/alkoxycarbonyl-benzimidazol-2-ylmethoxy)-5- chloroquinoline derivatives is reported. These derivatives were prepared by the condensation of o-phenylenediamine with [(5-chloroquinolin-8- yl)oxy]acetic acid, followed by substitution at nitrogen with different electrophilic reagents in presence of an appropriate base to give a series of nitrogen heterocycles containing the benzimidazole and quinoline nuclei. The structures of the compounds were confirmed based on 1H-NMR, 13CNMR, IR and mass spectral data. Almost all the compounds exhibited promising antibacterial activity against Salmonella typhimurium and Staphylococcus aureus. Some of the compounds showed good antifungal activities against Aspergillus niger but the antifungal activities against Candida albicans were disappointing.

ISOLASI DAN SKRINING AKTIVITAS ANTIBAKTERI DARI BAKTERI SIMBION NUDIBRANCHIA Phyllidiella pustulosa dan Thuridilla lineolata

2020 ◽  
Vol 8 (2) ◽  
pp. 40
Author(s):  
Ade Kurniawan Arie ◽  
Rosita A J Lintang ◽  
Remy E P Mangindaan ◽  
Agung B Windarto ◽  
Fitje Losung ◽  
...  
Keyword(s):  
Escherichia Coli ◽  
Staphylococcus Aureus ◽  
Antibacterial Activity ◽  
Symbiotic Bacteria ◽  
Bacterial Isolates ◽  
Defense Systems ◽  
Self Defense ◽  
Solid Media ◽  
Antibacterial Assay ◽  
And Staphylococcus Aureus

Nudibranchs are marine invetebrates belongs to the class of Gastropoda that are able to camouflage and develop a self-defense systems. Marine bacteria contain chemicals compunds that have potentials on marine drugs discovery through the secondary metabolism. The purpose of this study was to isolate the symbiotic bacteria from nudibranches Phylidiella pustulosa and Thuridilla lineolate and to screen the antibacterial activity of these bacterial isolates against Escherichia coli and Staphylococcus aureus. Isolation and culture of the symbiotic bacteria was made on B1 (solid) media. The results of the antibacterial assay showed that the symbiotic bacterial isolates from Phylidiella pustulosa and Thuridilla lineolate were able to inhibit the growth of the Staphylococcus aureus and Escherichia coli test. Keywords: nudibranch, Phyllidiella pustulosa, Thuridilla lineolate, bacteria, antibacterialAbstrakNudibranch adalah avetebrata laut dalam kelas Gastropoda yang mampu melakukan kamuflase dan mengembangkan sistem pertahanan diri. Bakteri laut mengandung senyawa kimia yang berpotensi sebagai bahan obat-obatan yang dihasilkan melalui metabolit sekunder. Tujuan dari penelitian ini yaitu untuk mengisolasi bakteri yang bersimbion dengan nudibranch Phylidiella pustulosa dan Thuridilla lineolate, kemudian mengamati aktivitas antibakteri dari isolat bakteri tersebut terhadap Escherichia coli danStaphylococcus aureus. Isolasi dan kultur bakteri yang bersimbion dibuat pada media B1 (padat). Skrining aktivitas antibakteri menunjukkan isolat bakteri yang bersimbion dengan nudibranch Phylidiella pustulosa dan Thuridilla lineolate mampu menghambat pertumbuhan organisme uji Staphylococcus aureus dan Escherichia coli. Kata kunci: nudibranch, Phyllidiella pustulosa, Thuridilla lineolate, bakteri, antibakteri

scholarly journals Preliminary phytochemical screening and susceptibility of bacteria pathogens to whole extract of evolvulus alsinoides (L.)

1970 ◽  
Vol 18 ◽  
pp. 16-20
Author(s):  
BA Omogbai ◽  
FA Eze
Keyword(s):  
Staphylococcus Aureus ◽  
Antimicrobial Activity ◽  
Antibacterial Activity ◽  
Bacillus Cereus ◽  
Pathogenic Bacteria ◽  
Volatile Oil ◽  
Salmonella Typhi ◽  
Phytochemical Screening ◽  
Evolvulus Alsinoides ◽  
And Staphylococcus Aureus

Context: Plant based antimicrobial represent a vast untapped source for medicines and further exploration of plant antimicrobial neeto occur. Evolvulus alsinoides (L) (Convolvulaceae) is a perennial herb is used in traditional medicine in East Asia, India, Africa and Philippines to cure fever, cough, cold, venereal diseases, azoospermia, adenitis and dementia.   Objective: The objective of this research was to evaluate the antimicrobial activity of the extracts of E. alsinoides on some clinical microbial isolates.   Materials and Methods: The ed thanolic and aqueous extracts of the whole plant (leaves and twigs) were analysed for alkanoids, tannins, glycosides, steroids, flavonoids, saponins, volatile oil and resins. The determination of antibacterial activity was done using the agar well diffusion technique. Pure cultures of pathogenic bacteria such as Bacillus cereus, Staphylococcus aureus, Micrococcus leutus, Klebsiella Pneumoniae, Pseudomonas aeruginosa, Escherichia coli and Salmonella typhi were used for antibacterial activity assay, minimum inhibitory concentration (MIC) and minimum bactericidal concentration (MBC).   Results: The ethanolic extract of the plant had MIC values ranging from 16 mg/ml to 512.5 mg/ml. The least MIC was 16mg-ml against Salmonella typhi while Bacillus cereus and Staphylococcus aureus showed the highest MIC of 512.5 mg-ml. In the aqueous extract the MIC ranged between 512.5 to >1025 mg/ml. Salmonella typhi, Micrococcus luteus and Staphylococcus aureus were not inhibited by the water extract. Phytochemical result showed ethanol to be a better solvent for the extraction of the bioactive agents in this plant which include: glycosides, alkaloids, saponins, tannins, flavonoids and volatile oil.   Conclusion: In this study the gram-negative organisms had the lowest MICs and MBCs. This suggests their higher susceptibility to the extract of this plant. On the basis of the result obtained in this investigation it can be concluded that ethanol extract of Evolvulus alsinoides had significant in vitro broad spectrum antimicrobial activity.   Keywords: Evolvulus alsinoides; Phytochemical screening; Antibacterial activity. DOI: http://dx.doi.org/10.3329/jbs.v18i0.8769 JBS 2010; 18(0): 16-20

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