Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Roger Lteif"'
Autor:
Hadi Loutfi, Nancy Fayad, Fabrice Pellen, Bernard Le Jeune, Maissa Chakroun, Dalel Benfarhat, Roger Lteif, Mireille Kallassy, Guy Le Brun, Marie Abboud
Publikováno v:
Applied Sciences, Vol 11, Iss 1, p 155 (2020)
In this paper, we report a morphological study of the crystals and spores of different shapes synthesized by seven different strains of Bacillus thuringiensis. Crystals and spores were separated after 48 h of culture on T3 agar medium and imaged unde
Externí odkaz:
https://doaj.org/article/79d6944ddeab491bbb9ba0a55a4c77dc
Publikováno v:
Case Studies in Construction Materials, Vol 4, Iss C, Pp 62-72 (2016)
In order to evaluate the risk of the source and quantity of cement SO3 on the expansion properties of mortars, this paper studied the influence of Gypsum, Bassanite and clinker sulfate on the cement paste expansion and the formation of delayed ettrin
Externí odkaz:
https://doaj.org/article/e305bc763b994afa95c4fe076afecdd7
Publikováno v:
Molecules, Vol 25, Iss 11, p 2684 (2020)
Tyrosinase is an important component of the enzyme polyphenol oxidase, which upon contact with the phenolic substrates forms the pigment melanin and induces undesirable food browning. The phenolic and triterpenoid compounds that naturally occur in pl
Externí odkaz:
https://doaj.org/article/5122b7ae0fae405bb6676e2a6f8ef667
Publikováno v:
OENO One, Vol 44, Iss 2, Pp 117-125 (2010)
Aims: This paper presents a rapid chromatographic method to monitor the concentration of p-coumaric acid in wine and in bioconversion studies. Methods and results: RP-HPLC method was validated in synthetic wine medium and in natural red wine. Mobile
Externí odkaz:
https://doaj.org/article/6a0de747cad845e1918feed48fb07edb
Publikováno v:
OENO One, Vol 39, Iss 2, Pp 67-74 (2005)
The effect of different concentrations (0-20 LMR) of six pesticides on the aerobic growth of two yeast strains (Saccharomyces cerevisiae, Metschnikowia pulcherrima) was analysed. The penconazole was shown as the most efficient and its effect was then
Externí odkaz:
https://doaj.org/article/1caa366c45ec47f3af965f6d4766ec59
Autor:
Christelle Abou Nader, Hadi Loutfi, Fabrice Pellen, Bernard Le Jeune, Guy Le Brun, Roger Lteif, Marie Abboud
Publikováno v:
Sensors, Vol 17, Iss 10, p 2340 (2017)
In this paper, we report measurements of wine viscosity, correlated to polarized laser speckle results. Experiments were performed on white wine samples produced with a single grape variety. Effects of the wine making cellar, the grape variety, and t
Externí odkaz:
https://doaj.org/article/8ed9d9298247469ea5f6be61b102e6c1
Publikováno v:
International Journal of Analytical Chemistry, Vol 2010 (2010)
Externí odkaz:
https://doaj.org/article/50391df3ab63455e813754cd966f9506
Publikováno v:
Journal of Chemical Technology & Biotechnology. 97:287-294
Autor:
Rime Michael-Jubeli, Ali Tfayli, Rindala El Khoury, Toufic Rizk, Arlette Baillet-Guffroy, Marie Abboud, Roger Lteif, Najet Yagoubi
Publikováno v:
European Journal of Dermatology. 31:335-341
There exist different methods for the determination of sun protection factor (SPF) values for sunscreens. We aimed to develop a new in vitro method using EBT3 Gafchromic® film as a substrate. The colour of EBT3 Gafchromic® film changes when exposed
Publikováno v:
Preparative Biochemistry & Biotechnology. 51:1071-1075
This study aimed to optimize the key parameters of extraction methods and to increase the recovery yields of intact xanthophylls (violaxanthin, zeaxanthin, astaxanthin) from microalgae (Chlorella luteoviridis). An effective, simple, and fast extracti