Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Spedficity

Quality Spedfications and Test Procedures for Bottlers Granulated and Eiquid Sugar, National Soft Drink Association, Washington, D.C., 1975. [Pg.11]

Other processes producing adds, such as nitric, acetic, and phosphoric acids, can be expected to produce add mists from the processes themselves as well as various toxic and nontoxic gases. The particular process must be thoroughly studied to obtain a complete listing of all the spedfic emissions. [Pg.83]

Physical and Chemical l operties - Physical State at 15 X and 1 atm. Liquid Molecular Weight 18-30 Boiling Point at 1 atm. Not pertinent Freezing Point Not pertinent Critical Temperature Not pertinent Critical Pressure Not pertinent Spedfic Gravity 1.1 at 25 °C, (liquid) Vcqjor (Gas)... [Pg.184]

As with previous, similar exercises, encourage your team to be creative. Like any sound management system, your PSM system probably creates unexpected side benefits over and above those related spedfically to safety performance. For example, the pilot test may have demonstrated that a new system, once installed, enabled the facility to reduce unplanned downtime with better planning and use of preventive maintenance. Or perhaps the pilot test process itself may have helped improve relations between the facility and corporate staff. [Pg.163]

D. Benzoin-a-oxime (cupron) (VII). This compound yields a green predpitate, CuC14Hu02N, with copper in dilute ammoniacal solution, which may be dried to constant weight at 100 °C. Ions which are predpitated by aqueous ammonia are kept in solution by the addition of tartrate the reagent is then spedfic for copper. Copper may thus be separated from cadmium, lead, nickel, cobalt, zinc, aluminium, and small amounts of iron. [Pg.442]

We can see that for type 1 processes, high growth rate is obligately linked to a high rate of product formation. Indeed, this is the case for all products produced by a fermentative mode of metabolism, eg ethanol, lactic add, acetone. Chemostat studies have shown that for most aerobic processes when growth is limited by some nutrient other than the carbon source, the yield of product decreases with increase in spedfic growth rate (p or D p = dilution rate (D) in chemostat culture). Conversely, both the biomass yield and the spedfic rate of substrate utilisation (qs g substrate g biomass-1 h-1) increase with spedfic growth rate. [Pg.45]

The relationships between spedfic rate of substrate consumption and dilution rate and between yield coeffidents and dilution rates are shown in Figure 32. [Pg.45]

Sophorolipid is a glycolipid, ie it is composed of carbohydrate and lipid. It therefore contains moieties of widely different oxidation levels and its synthesis from single demand carbon sources has a high ATP demand. However, the demand for ATP is reduced if a mixture of glucose and C-18 alkane is used. If glucose and fatty add is used the ATP demand is reduced further and relatively high spedfic production rates can be achieved. [Pg.57]

Homopolysaccharides are synthesised by relatively few spedfic enzymes and are not constructed from subunits. The commerdally important homo polymer dextran is synthesised extracellularly by the enzyme dextransucrase. In Leuconostoc mesenteroides the enzyme is induced by the substrate sucrose. This is deaved to release free fructose and link the glucose to the redudng end of the acceptor dextran chain, which is bound to the enzyme. The product from this bacterium is composed almost exdusively of... [Pg.219]

L-Amino adds could be produced from D,L-aminonitriles with 50% conversion using Pseudomonas putida and Brembacterium sp respectively, the remainder being the corresponding D-amino add amide. However, this does not prove the presence of a stereoselective nitrilase. It is more likely that the nitrile hydratase converts the D,L-nitrile into the D,L-amino add amide, where upon a L-spedfic amidase converts the amide further into 50% L-amino add and 50% D-amino add amide. In this respect the method has no real advantage over the process of using a stereospecific L-aminopeptidase (vide supra). [Pg.280]

Chemically synthesised D,L-hydantoins prepared from the corresponding aldehydes via die Bucherer Berg reaction are converted by the bacterial cells (Bacillus brevis), containing a D-spedfic hydantoinase, to a mixture of D-N-carbamoyl amino acid and L-hydantoin. The latter compound undergoes rapid and spontaneous racemisation under the conditions of the reaction, therefore, in principle 100% of the hydantoin is converted into the D-N-carbamoyl compound. The D-amino add is obtained after treatment of the D-N-carbamoyl compound with nitrous add. This process is operated on an industrial scale by the Japanese firm Kanegafuchi. [Pg.284]

The fatty adds commonly encountered in biological systems are straight chained alkanoic or alkenoic adds, containing an even number of carbon atoms (usually Ch-Ch). natural n Senera / these fatty adds can be produced readily by extraction of the lipids from sources natural sources and saponifying the neutral triglycerides. This is satisfactory providing a mixture of fatty acids is acceptable. Purification of spedfic fatty adds from the saponification mixture increases the costs considerably. [Pg.333]

The genes responsible for encoding the proteins specifically involved in exopolysaccharide synthesis are dustered in one large operon. The genes encoding the proteins for sugar nucleotide phosphates, which are not necessarily spedfically used for exopolysaccharide synthesis, also tend to be dustered. [Pg.367]

Check the label for the word standardized This means that the produd has a spedfic percentage of a spedfic chemical. [Pg.14]

Whereas SHMT in vivo has a biosynthetic function, threonine aldolase catalyzes the degradation of threonine both l- and D-spedfic ThrA enzymes are known [16,192]. Typically, ThrA enzymes show complete enantiopreference for their natural a-D- or a-t-amino configuration but, with few exceptions, have only low specificity for the relative threo/erythro-configuration (e.g. (122)/(123)) [193]. Likewise, SHMT is highly selective for the L-configuration, but has poor threo/erythro selectivity [194]. For biocatalytic applications, the knovm SHMT, d- and t-ThrA show broad substrate tolerance for various acceptor aldehydes, notably induding aromatic aldehydes [193-196] however, a,P-unsaturated aldehydes are not accepted [197]. For preparative reactions, excess of (120) must compensate for the unfavorable equilibrium constant [34] to achieve economical yields. [Pg.308]

TROUT ETAL. Elen nt-Spedfic Epifluonscence Microscopy... [Pg.87]

Ito H. Higara S. Tsugava H. et al. (2000) Xylem-spedfic expression of wound inducible rice peroxidases genes in transgenic plants // Plan Sci. V. 155. P. 85-100. [Pg.218]

De Clercq E (1993) HlV-l-spedfic RT inhibitors highly selective inhibitors of human immunodeficiency virus type 1 that are specifically targeted at the viral reverse transcriptase. Med Res Rev 13 229-258... [Pg.171]

Prior to the catalyst Reparation, a base-pretreatment toward activated carbon ( KOH-activation, BET spedfic surfece area 3100 m / g, average pore size 2.0 nm, Kansai Netsukagaku Co. IM ) by immersing... [Pg.177]

Rao VR, Sas AR, Eugenin EA, Siddappa NB, Bimonte-Nelson H, Berman JW, Ranga U, Tyor WR, Prasad VR (2008) HlV-1 clade-spedfic differences in the induction of neuropathogenesis. J Neurosci 28(40) 10010-10016... [Pg.48]


See other pages where Spedficity is mentioned: [Pg.339]    [Pg.343]    [Pg.424]    [Pg.116]    [Pg.138]    [Pg.164]    [Pg.292]    [Pg.471]    [Pg.53]    [Pg.99]    [Pg.424]    [Pg.424]    [Pg.470]    [Pg.8]    [Pg.186]    [Pg.218]    [Pg.220]    [Pg.222]    [Pg.336]    [Pg.99]    [Pg.143]    [Pg.437]    [Pg.123]    [Pg.126]    [Pg.262]    [Pg.295]    [Pg.39]    [Pg.37]    [Pg.111]   
See also in sourсe #XX -- [ Pg.2 , Pg.4 , Pg.156 , Pg.183 ]




SEARCH



Amino spedfic interactions

Detection element-spedfic

Oxidation Spedfications

© 2024 chempedia.info