dilution

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dilution

[də′lü·shən]
(chemistry)
Increasing the proportion of solvent to solute in any solution and thereby decreasing the concentration of the solute per unit volume.
(metallurgy)
The use of a welding filler metal deposit with a base metal or a previously deposited weld material having a lower alloy content.
(optics)
Reducing the intensity of a color by adding white.
References in periodicals archive ?
In this study agar dilution (AD) methodology, being less time consuming has been compared to more conventional broth microdilution (BMD) method using multiply drug resistant (n=12) and susceptible (n=12) clinical strains of Pseudomonas aeruginosa.
Diagram a series of twofold, fivefold, and tenfold dilutions using four tubes.
10] end titre and the S/P ratio (at serum dilutions of 1:125 to 1: 16,000) showing the maximum value of 'r' was chosen for the derivation of the regression equation (y= a + bx, where y= the [log.
Thus, suspending 10 g of soil in 95 mL of buffer and conducting three more 10-fold dilutions will give an overall dilution of the soil sample of approximately 10,000, which is required for this anticipated soil concentration.
However, 4 ng/mL was still quantifiable after 8 hr, and DA was still detectable at 24 hr (Figure 2) when compared to the control rat (group 3) plasma at the same 1:10 dilution as the treated rats (groups 1 and 2; p < 0.
5-fold dilutions prevent the bias that may occur with variable equilibration in the recommended dilution protocol and may be more efficient for a busy laboratory because they are prepared during assay set up.
We conducted a 10-year retrospective chart review of 1,000 immunotherapy-treated patients to evaluate the efficacy and safety of serial dilution quantitative intradermal testing in the management of allergic rhinitis.
Compounds B and C, the two peroxide cured NBRs, gave 100% rubber tearing bonds at all dilutions tested.
The speed, accuracy and precision of the system has allowed us to miniaturize our IC50 determinations into 1536-well format and to perform 192 8-point serial dilutions per plate in about 5 minutes.
Methods: Sera of patients fulfilling ACR criteria for diagnosis of SLE, idiopathic inflammatory polymyositis/dermatomyositis (PM/DM) and rheumatoid arthritis (RA), and age and sex matched healthy individuals were tested for ANA by IIF using a commercial kit (Euroimmun, Germany) at 5 dilutions, namely 1:40, 1:80, 1:160, 1:320 and 1:640.
For these immunoassays, the specimens were to be analyzed with the serial dilutions 1:1 (undiluted), 1:5 (0.
0 [micro]g/vial to generate final toxin concentrations of brevetoxins ranging from 0 to 80 [micro]g/100 g shellfish meat in log 2 dilutions.