solid state fermentation of sugars in sweet sorghum

... levels of alkaline and thermotolerant pectinase by solid state fermentation. Production of this enzyme was affected by nature of solid substrate, level of moisture content, presence or absence of ... Bacillus; Pectinase 1. Introduction In recent years there has been a renewed interest in solid- state fermentation (SSF) processes for the pro- duction of bioactive compounds. While efforts continue largely ... concentration of 1% (w/v) in solid media after dissolving them in distilled water used for adjusting the moisture content. Effect of vitamin supplementation: Effect of neurobion (Nb) (a multivitamin solution...

Ngày tải lên: 01/04/2014, 00:21

... the incorporation of CH 4 . The annealing time was increased to 80 min in this case. Ar (800 sccm) was kept flowing through the quartz tube to purge the sys- tem during the heating and cooling. A ... films, resulting in formation of a titanium oxide (TiO x ) phase by removal of oxygen from the silica layer [9]. The re- duction of TiN seems to be a critical factor in the growth kinetics of a-SiONWs. ... nitride (TiN) films were used to induce a solid state reaction with the silica (SiO 2 ) films on silicon wafers to provide silicon atoms into growing nanowires. The TiN layers induce the diffusion of silicon and...

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Ngày tải lên: 24/12/2013, 23:11

... Purposes of Law in a Free State M.N.S. Sellers Regents Professor of the University System of Maryland and Director of the Center for International and Comparative Law School of Law University of ... Republican doctrine solved the problems of liberalism by providing a meaning and a rationale for liberty, while offering political structures to coordinate public reason in pursuit of the common ... republic from the death of Rome’s last king, Tarquinius Superbus, and mourned its fall in the principate of Augustus. 9 As French and American politicians came increas- ingly into conflict with their...

Ngày tải lên: 18/02/2014, 11:20

... synthesis. A mechanism in which GTP only acts to increase the rate of hydrolysis of glutamine has some flaws in explaining the inhibition of DON-labeledenzymewhenassayedwithNH 4 Cl as amino donor. Therefore, ... the binding of GTP to the allosteric site promotes coordination of the phosphorylation of UTP and hydrolysis of glutamine for optimal efficiency in CTP synthesis rather than just acting to increase ... of the enzyme will not interfere with the interpretation of the data. In this research, we have analyzed the steady state kinetics of the glutaminase reaction of CTP synthase from L. lactis in...

Ngày tải lên: 21/02/2014, 15:20

... tighter binding of cadmium than zinc in metallothioneins and the preference of zinc in the more flexible b-domain. In addition to the already described differences in flexibility of the b-domain in MT ... oxi- dation state of thiols is involved in the metal binding in Cd-S or Zn-S clusters found in metallothioneins, and NO also binds to reduced glutathione via S-nitrosation. Using a variety of techniques, ... SEC–ICPMS. Metallothioneins (MTs) are a family of small (6–7 kDa) metal-binding proteins [1–3] with the highest known metal content after ferritins. The high amount of cysteine residues in MTs (30% of all amino...

Ngày tải lên: 07/03/2014, 15:20

... itself. Since the eigen values of the complete set of commuting operators including the Hamiltonian are needed to characterize com- pletely the state of a dynamic system, the states of the system ... ‘‘representation’’ of a state function in quantum mechanics is very much like, for example, the concept of representing a time-dependent signal by a Fourier series or integral in electrical engineering. Knowing ... Society of America, and the Americal Physical Society, and is a member of the US National Academy of Engineering. He was the winner of the Charles H. Townes Award of the Optical Society of America in...

Ngày tải lên: 17/03/2014, 14:41

... systems in the vicinity of a symmetry changing instability. For such systems an expression for the potential @ was ob - tained in Section 3.2. This expression can be inserted into Eq. (2.24) in ... over these states. This result is used in 3.2 to investigate the consequences of symmetry, which are particularly important in the vicinity of a symmetry changing instability, and can, in fact, ... (3.4) we find which is satisfied for all states of maximum or minimum probability. In order to analyze the stability of these states we distinguish two cases. In the first case In the second...

Ngày tải lên: 17/03/2014, 14:58

... backups of your data (which you should technically be Different Kinds of Solid State Drives Technology DRAM This is one of the oldest kinds of SSDs but is still reasonably common today in certain ... comprised of. While a magnetic hard drive works by changing the magnetism of sectors on a spinning platter, solid- state drives have lots and lots of tiny transistors. When an electrical current is able ... supply of power even when the computer is switched off otherwise all the data is lost. However, it still remains one of the fastest types of solid- state drive and is perfect for those requiring extremely...

Ngày tải lên: 19/03/2014, 17:28

... snapshots of the effects of increasing privatisation of health and home care on the quality of life of women in each section of Canada [75]. It concluded that increasing privati- sation of health ... among provinces in availability of services. Provincial gov- ernments are responsible for setting policy, planning, monitoring and regulations. Financing comes from a mix of fees and tax financing. In ... determinants of health. Social Science and Medicine 1998;46(7):785–98. [17] Raphael D. A society in decline: the political and economic determinants of health inequalities in the USA. In: Hofrichter R,...

Ngày tải lên: 22/03/2014, 11:20

... noninduced state. Under such a condition, KlGal4p activity is inhibited by the binding of KlGal80p protein to the C-terminal activation domain of KlGal4p. In this state, the GAL genes are poised for induction ... requirement of Gal4p for the expression of genes with two binding sites is a result of the strong cooper- ativity during the binding of the transcriptional activa- tor to the two binding site genes in ... that of the other species whilst retaining the parameters of the former. The in silico re-engineering study indicated that the leaky behavior in response to glucose inhibition was also obtained in S....

Ngày tải lên: 29/03/2014, 09:20

... [11–15]. Cer- tain transacting proteins such as HuR were proposed as regulators of changes in mRNA stability during the cell cycle [15]. In this context it is of interest that during vertebrate ... estimated doubling time of EL4 cells in log- arithmic growth. No major variation in the mRNA half-life of cyclin mRNAs in the cell cycle In order to test whether changes in mRNA steady- state levels ... thymidine ⁄ amphidicolin block, the half-life of cyclin B1 mRNA measured after actinomycin D addition increased from 1.2 h in early G 1 to 12 h in G 2 ⁄ M phase [11]. With the same method the cyclin...

Ngày tải lên: 30/03/2014, 20:20

... achieved by multiplying individual terms in the series by the volume fraction of each ion that lies within the coordination shell being considered. The terms corresponding to lower coordination shells ... through the inversion layer and recombine therein with holes. If this recombination occurs radiatively, one sees electroluminescence. This can be used as a proof for the injection of minority carriers ... properties of solid electrolytes are discussed more fully in Chapters 6 and 7 of this handbook. They of course also get attention in many of the other chapters, in particular Chapters 3 and 5, while interfacial...

Ngày tải lên: 16/04/2014, 11:22

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Ngày tải lên: 24/04/2014, 17:13