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Selection purpose

The DNA of interest can be amplified by transformation of a non-mutator strain (standard protocol) and cultivation on a 1-5 mL scale. The resulting culture can also be used directly for screening/selection purposes. Alternatively, the plasmid can be isolated by a standard procedure [21]. [Pg.12]

Initially, when the number of compounds and samples is high, method quality can be balanced by the need for speed. The risk of a potentially incorrect decision based on low-quality bioanalysis is much more manageable in early discovery, particularly because this phase is not regulated but is for decision making and candidate selection purposes only. Expectations for method quality are generally lower for in vitro samples than those from in vivo studies. This is due in part to the amount of effort required to synthesize the relatively modest amount of compound for an in vitro experiment compared to the amount necessary to dose animals and also due to the complexity of the sample matrix, which is much simpler for in vitro samples than in vivo samples such as plasma or tissue. [Pg.102]

Individual near-infrared absorption bands have absorptivities on the order of 10 1 Al /mm/mM for peak absorption bands in aqueous matrices.30 Such low absorptivities limit detection to the major components within skin tissue. As a general rule of thumb, substances must be present at concentrations above 1 mM to be quantified by near-infrared spectroscopy. Although such low absorptivities greatly restrict the number of possible analytes one can measure in clinical samples, the inability to measure chemicals present below millimolar concentrations enhances selectivity by rendering measurements insensitive to many different types of endogenous molecules. Only the major chemical components of these biological samples must be considered for selectivity purposes. [Pg.361]

On average, 10 to 15 rodents and 3 to 5 nonrodents per sex per group are used for repeat-dose toxicity studies. If possible, 5 rodents and 2 to 3 nonrodents per sex per group should be used for recovery arms. The reuse of nonrodent species is a common practice, particularly for pharmacokinetic studies and in studies in which telemetry is used. Early pilot non-GLP studies for dose selection purposes may also involve the reuse of animals. However, it may not be appropriate in all instances to reuse animals based on the level of... [Pg.915]

A more robust system would incorporate markup language information inside the XML documents for selection purposes. The name of a root element is a convenient selection criterion, but only if every markup language uses unique root elements. If there were only several languages around, it would not be a difficult problem, but given the diversity of the Internet, such uniqueness is impossible to achieve. [Pg.103]

Allow a 10 to 25 percent factor of safety to ensure adequate pressure during all boiler loads and furnace conditions. Using a 20 percent factor of safety for this fan, the total actual pressure loss is 8.95 + 8.95(0.20) = 10.74 inH20 (2.7 kPa). Round this off to 11.0 inH20 (2.7 kPa) for fan-selection purposes. [Pg.237]

Entropy measures have been used to evaluate the variability of descriptors for variable selection purposes (high degenerate descriptors have low entropy values) using histograms comprised of a number of bins (e.g., 100) to represent each variable range [Godden, Stahura et al, 2000 Godden and Bajorath, 2000]. [Pg.416]

The articles - touching quite different aspects of organophosphorus chemistry - have been selected purposely to reflect, to some extent, the wide horizon of the subject. [Pg.7]

This information can be used just for material selection purpose Source.Toray Industries Inc. [Pg.70]

According to the European WIM specification COST 323 (1997) (Jacob et al. 2002), there are six accuracy classes Class A (5) and Class B+ (7) for legal purposes Class B (10), Class C (15) and Class D+ (20) for infrastructure and pre-selection purposes and Class D (25) for statistical purposes. The number enclosed in parentheses corresponds to the tolerance limit ( ) of results for a confidence level (usually 95%). In addition to the above classes, other classes such as Class E (>25) characterise WIM systems that do not meet Class D (25) (systems installed in poor WIM sites). They are useful in that they give indications about the traffic composition and the load distribution and frequency. [Pg.517]

It is also common practice to classify filter media by their materials of construction. Examples are cotton, wool, linen, glass fiber, porous carbon, metals and rayons. Such a classification is convenient for selection purposes, especially when resistance to aggressive suspensions is a consideration. We may also classify media according to structure, with typical classes being rigid, flexible and semi-rigid or combination media. [Pg.20]

Methods comprising aqueous extraetion/dissolution of anthoeyanins may be useful for selected purposes. Purification of cmde extracts including emiclmient of anthocyanins ntight be required for eonfirmation of stmetures or improvement of analytical performance. [Pg.138]

Completion of these tasks depends upon the type of models used for selection purposes, such as statistical, knowledge-based, optimization, and simulation (see Fig. 5.2). The types of models are discussed in detail in Part 11 of this book. [Pg.98]

Eor selection purposes, only suppliers characteristics dependent manufacturing costs MC need to be accounted for. In this case, these are only overtime costs, which are computed as overtime cost B times the number of items processed in overtime. [Pg.190]

Metal coupon data are relatively easy to use for materials selection purposes from calculation of corrosion rate and observations on the appearance of the coupon. For nonme-tallic materials, the problem is to define what constitutes failure. For example, when is color change, flaking, swelling, or tackiness acceptable, and when do they indicate potential failure ... [Pg.785]

Number of states selection Selecting the number of states in an HMM model is always an interesting but difficult question. It exists several methods as well as criteria for this selection purpose, such as Akaike Information Criterion (AIC), Bayes Information Criterion (BIC), Cross-validation, etc. (Knoblauch 2004). In this study, we investigate the use of BIC for selecting the number of state N. [Pg.1199]

Production quantity per annum - The number of components to be produced to account for the economic feasibibty of the manufacturing process. The quantities specified for selection purposes are in the ranges ... [Pg.24]

For design and selection purposes, the mechanical analysis of lead screws usually is limited to the factors affecting their static or quasi-static performance, such as efficiency, driving torque requirements, and load capacity [33-35]. There are... [Pg.9]

Typical values only. Variations within normal tolerances are possible for various colors. All values are measiured after at least 48 hours storage at 23°C/50% relative humidity. All properties, except the capillary viscosity, are measured on injection molded samples. Only typical data for selection purposes. Not to be used for part or tool design. [Pg.2197]


See other pages where Selection purpose is mentioned: [Pg.37]    [Pg.114]    [Pg.217]    [Pg.236]    [Pg.431]    [Pg.399]    [Pg.102]    [Pg.138]    [Pg.24]    [Pg.25]    [Pg.517]    [Pg.318]    [Pg.4925]    [Pg.2140]    [Pg.154]    [Pg.155]    [Pg.137]    [Pg.30]    [Pg.208]    [Pg.3420]    [Pg.189]    [Pg.16]    [Pg.229]    [Pg.21]    [Pg.236]    [Pg.488]    [Pg.93]    [Pg.225]   
See also in sourсe #XX -- [ Pg.124 , Pg.125 ]




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