The aim of our study was to use a biosurfactant produced by Bacillus and Lactobacillus isolates as an antiseptic in the formulation of local soap. A total of 60 isolates were characterized by microbiological technique...The aim of our study was to use a biosurfactant produced by Bacillus and Lactobacillus isolates as an antiseptic in the formulation of local soap. A total of 60 isolates were characterized by microbiological techniques (30 Bacillus and 30 Lactobacillus) and the ability to produce biosurfactants was demonstrated by a hydrocarbon emulsification index (E24). The emulsification indexes (E24) varied from 9% to 100% for Bacillus and from 33% to 100% for Lactobacillus as well. The antagonistic assay showed that biosurfactants were able to inhibit the formation of biofilms and growth of pathogens such as Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus cereus, Salmonella typhirium, Shigella boydii and Proteus mirabilis. The biosurfactant consortium (BioC) from Bacillus consortium and from Lactobacillus was able to inhibit biofilm formation and the pathogens growth. The BioC was stable to alkaline pH and the temperatures stability of Biosurfactant was ranging from 50°C to 90°C. The soap was made by the cold saponification process using one biosurfactant consortium formulated. This soap has a pH of 10 and showed good cleaning power and good foam stability. Similarly, the soap showed good antiseptic power and disinfection power against all pathogens tested. Handwashing is critical to preventing disease transmission. The persistence of pathogens in waste water was evaluated. The BioS produced showed good disinfection power against all pathogens tested. The valor of reduction on the hands and in the waste water was significantly more than compared to the control soaps used. This soap could be used in the prevention, fighting, and treatment of bacterial and viral infections.展开更多
The study sought to investigate the historical background of the traditional hand-made embroidery technique, the production process, and its changing trends amongst the Asantes of Ghana. Interview and observation were...The study sought to investigate the historical background of the traditional hand-made embroidery technique, the production process, and its changing trends amongst the Asantes of Ghana. Interview and observation were used in collecting the needed data at selected craft centres in the Kwabre East District, Ejisu-Juaben municipality, Kumasi sub-metro and metropolitan in the Ashanti region of Ghana. The study employed both descriptive and experimental research methods based on the qualitative research approach. It was revealed that Kente and Adinkra enjoy wide reputation and therefore are considered as prestigious clothes. However, Nwomu cloth does not have this fame, only indigenes understand its usage and the philosophy behind its production. In view of this, it is recommended that the elders who are endowed with this unique craft must open their doors to the youth to learn the craft.展开更多
In this study we explore the relationship between literature and comics,through the transcription of a literary text into comics,and we examine the contribution of a preceded intervention-familiarization with comics t...In this study we explore the relationship between literature and comics,through the transcription of a literary text into comics,and we examine the contribution of a preceded intervention-familiarization with comics to the students’comics by drawing by hand and by creating them in the Cartoon Story Maker digital environment,aiming at comparing and evaluating the potential of the two media.Literature review reveals that the majority of the educational studies referring to the use of comics in education and the creation of digital comics by students,sets objectives,mainly adjusted to the teaching subject or even to pedagogical issues.On the other hand,they completely bypass the theoretical agenda of comic books and do not ensure a more substantial acquaintance with the comic book itself and the conventions or the meaning making mechanisms of the medium.Thus,we decided to conduct this study in order to fill the gap in the existing literature.According to the findings,the preceding teaching intervention had been constructive but the digital tool’s technical restrictions prohibited the full making use of the acquired knowledge concerning the language of comics.The hand-made comics were more imaginative and detailed in certain statistically significant factors.Regarding the relationship between the literary text and comics,the students adapted the literary language to the media specifications,remaining in both cases,mostly faithful to the main structure of the text.展开更多
文摘The aim of our study was to use a biosurfactant produced by Bacillus and Lactobacillus isolates as an antiseptic in the formulation of local soap. A total of 60 isolates were characterized by microbiological techniques (30 Bacillus and 30 Lactobacillus) and the ability to produce biosurfactants was demonstrated by a hydrocarbon emulsification index (E24). The emulsification indexes (E24) varied from 9% to 100% for Bacillus and from 33% to 100% for Lactobacillus as well. The antagonistic assay showed that biosurfactants were able to inhibit the formation of biofilms and growth of pathogens such as Escherichia coli, Pseudomonas aeruginosa, Staphylococcus aureus, Bacillus cereus, Salmonella typhirium, Shigella boydii and Proteus mirabilis. The biosurfactant consortium (BioC) from Bacillus consortium and from Lactobacillus was able to inhibit biofilm formation and the pathogens growth. The BioC was stable to alkaline pH and the temperatures stability of Biosurfactant was ranging from 50°C to 90°C. The soap was made by the cold saponification process using one biosurfactant consortium formulated. This soap has a pH of 10 and showed good cleaning power and good foam stability. Similarly, the soap showed good antiseptic power and disinfection power against all pathogens tested. Handwashing is critical to preventing disease transmission. The persistence of pathogens in waste water was evaluated. The BioS produced showed good disinfection power against all pathogens tested. The valor of reduction on the hands and in the waste water was significantly more than compared to the control soaps used. This soap could be used in the prevention, fighting, and treatment of bacterial and viral infections.
文摘The study sought to investigate the historical background of the traditional hand-made embroidery technique, the production process, and its changing trends amongst the Asantes of Ghana. Interview and observation were used in collecting the needed data at selected craft centres in the Kwabre East District, Ejisu-Juaben municipality, Kumasi sub-metro and metropolitan in the Ashanti region of Ghana. The study employed both descriptive and experimental research methods based on the qualitative research approach. It was revealed that Kente and Adinkra enjoy wide reputation and therefore are considered as prestigious clothes. However, Nwomu cloth does not have this fame, only indigenes understand its usage and the philosophy behind its production. In view of this, it is recommended that the elders who are endowed with this unique craft must open their doors to the youth to learn the craft.
文摘In this study we explore the relationship between literature and comics,through the transcription of a literary text into comics,and we examine the contribution of a preceded intervention-familiarization with comics to the students’comics by drawing by hand and by creating them in the Cartoon Story Maker digital environment,aiming at comparing and evaluating the potential of the two media.Literature review reveals that the majority of the educational studies referring to the use of comics in education and the creation of digital comics by students,sets objectives,mainly adjusted to the teaching subject or even to pedagogical issues.On the other hand,they completely bypass the theoretical agenda of comic books and do not ensure a more substantial acquaintance with the comic book itself and the conventions or the meaning making mechanisms of the medium.Thus,we decided to conduct this study in order to fill the gap in the existing literature.According to the findings,the preceding teaching intervention had been constructive but the digital tool’s technical restrictions prohibited the full making use of the acquired knowledge concerning the language of comics.The hand-made comics were more imaginative and detailed in certain statistically significant factors.Regarding the relationship between the literary text and comics,the students adapted the literary language to the media specifications,remaining in both cases,mostly faithful to the main structure of the text.
