Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Ben Amar, Cheba"'
Autor:
Ben Amar Cheba, H.M.A. Abdelzaher
Publikováno v:
Journal of Pure and Applied Microbiology, Vol 14, Iss 4, Pp 2569-2575 (2020)
Rhizospheric soils from cultivated olive (Olea europaea) trees of Chemlali, Chetoui, Quaissi, and Djalat cultivars were assessed for their bacterial abundance and diversity and were further screened for production of exopolysaccharides and exoenzymes
Externí odkaz:
https://doaj.org/article/8ed7438300f94d218db58b93e4982c48
Autor:
Ben Amar Cheba
Publikováno v:
Procedia Manufacturing. 46:652-658
Chitin and chitosan are natural biopolymers produced mainly from crustacean shells of shrimp, crab and lobsters discarded by sea food-processing industries. Chitosan, the deacetylated form of chitin, it is a copolymer of β-(1–4)-2acetamido-D-gluco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3248c04940a3f1c6fd8650efda44fa49
https://doi.org/10.1016/j.promfg.2020.03.093
https://doi.org/10.1016/j.promfg.2020.03.093
Autor:
Taha I. Zaghloul, Ben Amar Cheba
Publikováno v:
Procedia Manufacturing. 46:879-884
The suitability of different substrates for Bacillus sp. R2 chitinase activity was tested on various crude and purified chitinous substrates, as well as chitinase storage stability was studied weekly for 2 months at three different temperatures (25,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5879cd8dfa9fd23c0f4d93f1721ec00f
https://doi.org/10.1016/j.promfg.2020.05.003
https://doi.org/10.1016/j.promfg.2020.05.003
Publikováno v:
Procedia Manufacturing. 22:280-287
The nutritional and environmental conditions have a great influence on chitinase production, due to the receptor-inducer system that control enzymes production.in these sense, the aim of this study was to screen several nitrogen sources and optimize
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2929f554046d51948acb58055140d135
https://doi.org/10.1016/j.promfg.2018.03.043
https://doi.org/10.1016/j.promfg.2018.03.043
Publikováno v:
Procedia Manufacturing. 22:413-419
Crustaceous wastes such as shrimp, crab and lobster, are chitinous solid waste of the shellfish processing industry. to select the best substrates for bacterial growth and enzyme activity, different poor and enriched media were investigated, furtherm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9f45eb0af8bb1c76b329d6019e37aa8
https://doi.org/10.1016/j.promfg.2018.03.065
https://doi.org/10.1016/j.promfg.2018.03.065
Publikováno v:
Procedia Engineering. 181:146-152
An aerobic Gram variable rod shaped polarly flagellated marine bacterium abbreviated R2 attracted our attention not by its hyper chitinolytic activity but also by its multiple enzymes production (protease, gelatinase, lipase, amylase, dextranase,algi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::011af6bfc5abae8ae95a78abb94571d1
https://doi.org/10.1016/j.proeng.2017.02.383
https://doi.org/10.1016/j.proeng.2017.02.383
Autor:
Ben amar Cheba
Publikováno v:
2019 International Conference on Computer and Information Sciences (ICCIS).
The huge data gleaned from genomes sequencing including (DNA, RNA, protein sequences, structures and interactions, genes, chromosomal maps, pathways, networks, biological signals and images) has led to explosive and diverse growth in biological data
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a982c6faf2aaaf9f408a38330923ff18
https://doi.org/10.1109/iccisci.2019.8716439
https://doi.org/10.1109/iccisci.2019.8716439
Publikováno v:
Procedia Technology. 22:465-470
Bacillus sp. R2purified chitinase was subjected to the effect of metal ions, chemical agents, and organic solvent on its activity, the results showed that K+, Mn2+, Na+, Mg2+ and Ca2+ stimulated chitinase activity by 2,4,7,15 and 21% respectively whe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::624d584505779712afe670bd3c634029
https://doi.org/10.1016/j.protcy.2016.01.090
https://doi.org/10.1016/j.protcy.2016.01.090
Publikováno v:
Procedia Technology. 22:471-477
The purified chitinase of Bacillus sp. R2 showed a molecular weight of 41.68 KDa, an optimal pH and temperature of 7.5 and 40 °C respectively. The enzyme was stable between pH 7 to 8 but it lost 57% and 62% of its initial activity at the pH 6 and 9
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::359eb8008f51087ffb7dd99c6dfa4a61
https://doi.org/10.1016/j.protcy.2016.01.092
https://doi.org/10.1016/j.protcy.2016.01.092
Publikováno v:
Journal of Cleaner Production. 248:119274
Industrial wastewater resulted from textile dyeing process is considered as a big environmental problem. Therefore, recycling of wastewater offers environmental and economic values specially if the materials used are resulted from recycling of other
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b35cff8210683bad32232a68ce4f14b9
https://doi.org/10.1016/j.jclepro.2019.119274
https://doi.org/10.1016/j.jclepro.2019.119274