production of ethanol fuel by bacteria

... possibility of converting some of such by- products into industrial chemicals of economic importance. Ethanol is one such chemical. It is * Department of Biological Sciences, Federal University of ... ridding the environment of the harmful effects of these agricultural by- products (biomass) underscore the significance of this work. Ethanol is produced from palm wine by fermentation process ... produce high quality of ethanol. To determine the effect of different acid concentrations on the hydrolysis 2M solution of concentrated H 2 SO 4 was prepared and 10g of the leached maize...

Ngày tải lên: 06/07/2014, 18:20

Ngày tải lên: 09/08/2014, 08:22

Ngày tải lên: 12/08/2014, 04:21

Ngày tải lên: 14/08/2014, 19:22

... Compositions of Dissolve Sugar from Molasses The whole process of producing ethanol from molasses is shown in a block diagram in figure 01. Figure 1. Process Block Diagram of Ethanol production ... independence. Worldwide fuel ethanol production is increasing day by day as per demand. For all these reasons; it is a great challenge for chemical engineers to produce ethanol in low cost. Simulation ... The fermentation of molasses into ethanol is one of the earliest biotechnologies employed by humanity. In this present study fermentation process development to produce ethanol is main concern....

Ngày tải lên: 08/05/2014, 13:48

Ngày tải lên: 05/09/2013, 10:15

Ngày tải lên: 05/09/2013, 15:28

... activation of different ion channels, several phospholipases and for the inhi- bition of the cAMP production. Upregulation of RGS1 accelerates the GTP hydrolyse of the Ga i subunits and thereby inhibits ... regulation of different proteins is enforced by RGS2 mRNA after 12 h of stimulation. The upregulation of both RGS mRNA was found only after activation of the TLR3 signalling pathway. This upregulation of ... proving the responsibility of the TRIF activation for the upregulation of both RGS mRNA. Stimulation of TLR3 and activation of the TRIF path- way leads to interferon-b production [35]. Takaoka et...

Ngày tải lên: 18/02/2014, 13:20

... Ethanol Yields from Alternative Feedstocks Production of ethanol in the United States is based primarily on grain as a feedstock. In order to maximize profitability, the production of ethanol ... per gallon of ethanol produced, representing 62 percent of the total ethanol 3 production of ethanol during the 1980s. Government regulations, such the Clean Air Act Amendments of 1990, the ... experts; about half of the energy used in the production of ethanol from corn. In order to estimate the costs of processing raw and refined 1 The Economic Feasibility Of Ethanol Production From...

Ngày tải lên: 22/02/2014, 05:20

... Gallon of Ethanol Net feedstock cost per gallon of ethanol is equal to the value of the feedstock minus the value of byproducts divided by the number of gallons of ethanol produced per unit of ... twice the production cost of converting corn into ethanol. While it is more profitable to produce ethanol from corn in the United States, the price of ethanol is determined by the price of gasoline ... approximately 750 gallons of ethanol per acre and an acre of sugarcane in Brazil could produce 590 gallons of ethanol per acre. U.S. corn production produces roughly 370 to 430 gallons of ethanol per acre,...

Ngày tải lên: 08/03/2014, 06:20

... to tTA, the tc-dependent silencing of complex promoters offers the unique possibility of reversibly down-regulating the expression of cellular genes on top of their normal regulation. The KRAB domain ... tissue-specific expression of the transactivator, while at the same time inactivating expression of the genomic copy of the target gene. Expression of the regulatory protein is then an invariant function of the ... can be switched between two alleles of one gene The expression of two genes or of two alleles of one gene can be controlled in a mutually exclusive manner by combining different dimerization...

Ngày tải lên: 23/03/2014, 21:20

... a period of 16 and 120 hours. The absorbance of the cul- tures was measured at 600 nm. Mercury Accumulation Quantification Bacteria cell pellets were obtained by centrifugation from 5 ml of pBSK-P16S-g10-mt1-rpsT ... 17.6 μM of mercury from media containing 120 μM Hg. The extent of mercury remediation was such that the contaminated media remediated by the mt-1 transgenic bacteria supported the growth of untransformed ... characteristics of the transgenic bacterial syste m that may facilitate the commercial application of this system were the observed aggregation, precipitation, and color change of the trans- genic bacterial...

Ngày tải lên: 23/03/2014, 22:20

... Mass chromatograms of PFBO derivatives of products of lipid peroxidation by C. subvermipora MnP and soybean lipoxygenase at m/z 181. (A) Products of the oxidation of linoleic acid by MnP in sodium ... compound with production of glycol aldehyde, a substrate of GLOX [6]. The glycol aldehyde formed by this process was converted to oxalate with the production of 2.8 equivalent of H 2 O 2 . Therefore, ... oxidation by MnP and Mn(III)–lactate, no shoulder peaks of the dimol emission of singlet oxygen was observed. DISCUSSION Formation and oxidation of glyoxal in lipid peroxidation of linoleic acid by...

Ngày tải lên: 24/03/2014, 04:21

... 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 ... Satyanarayana, 1995) but re- ports on pectinase production by SSF using bacterial spp. are lacking in the literature. The use of SSF for the production of enzymes mainly from fungi may be due to the ... stated, by altering physiochemical and culture conditions. Effect of different solid substrates: The effect of dif- ferent solid substrates on pectinase production was studied by using a variety of solid...

Ngày tải lên: 01/04/2014, 00:21

... has been supported by the Research Council of the Katholieke Universiteit Leuven as part of projects OT/99/24 and COF/98/008, the Institute for the Promotion of Innovation by Science and Technol- ogy ... pH consists out of two major steps, namely, (i) determination of medium related parameters (i.e., the parameters of Eqs. (14) and (15)), and (ii) determination of growth and production related ... hurdle to control the level of surviving but undesirable organisms. Both functions of LAB, whether fermentative or protective, are mainly accomplished by the production of microbial metabolites....

Ngày tải lên: 05/05/2014, 08:44

... of curcumin. Results: The induction of MIP-2 gene expression and the production of MIP-2 protein were inhibited by curcumin. Curcumin also inhibited lipopolysaccharide-induced transcription of ... curcumin potently inhibits MIP-2 production at the level of gene transcription and offer further support for its potential use in the treatment of inflammatory conditions of the CNS. Methods Mice Six ... CA). Preparation and culture of astrocytes: Astrocytes were pre- pared from the brains of neonatal (3 to 7-day-old) CBA/ CaJ mice by a modification of the method of Pousset et al[12]. Briefly,...

Ngày tải lên: 19/06/2014, 22:20

... many other countries, the sero- prevalence of C. pneumoniae infection was of 50% of total population. Estimated number of cases of pneumonia caused by C. pneumoniae in the United States is ... Association of Pediatric Infection of the America. - Patients with atypical pneumonia due to at least one of the three studied bacteria. - The severity of pneumonia was determined by the criteria ... MINISTRY OF HEALTH THE NATIONAL INSTITUTE OF HYGIENE AND EPIDEMIOLOGY PHAM THU HIEN THE STUDY OF EPIDEMIOLOGICAL CHARACTERISTICS, CLINICAL MANIFESTATIONS OF ATYPICAL PNEUMONIA CAUSED BY...

Ngày tải lên: 25/07/2014, 11:36

... successful production of iSCNT sei whale embryos via the subzonal injection of donor cells followed by electrofusion. Whale-porcine iSCNT embryos were produced by the subzonal injection of whale ... effect of osmolarity of the culture medium on in vitro development of interspecies somatic cell nuclear transfer whale embryos Type of embryo* Osmolarity of culture medium (mOsm/kg) † No. of embryos cultured No. ... cytoplasm of enucleated porcine oocytes [13]. This suggests that the subzonal injection of donor cells with electrofusion may be more efficient for the production of large numbers of iSCNT...

Ngày tải lên: 07/08/2014, 23:22

... to cartilage breakdown by increasing the production of matrix metalloproteinases and by inhibiting the production of type II collagen and aggrecan [11,12]. Exogenous admin- istration of IL-1Ra exerts ... of exon 1 and contains exons 1 to 4. The locations of PCR primers A–D and G (Supplementary Table 1) are indicated by arrows. The combination of primers A and C allows specific amplification of ... combination of primers B and D allows the detection of unspliced primary sIL-1Ra transcripts. ic1 ic2 1 2 3 4 A B CD Pic P s G Research article Production of interleukin-1 receptor antagonist by human articular...

Ngày tải lên: 09/08/2014, 03:24