Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"D-value"”.
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Fractal analysis of topography and reflectance surfaces
… comparing the calculated with the theoretical D values of the theoretical fractal models. The application of appropriate methods to self-similar or self-affine fractals is essential due to different theoretical assumptions of the methodologies. The ruler dimension is different from the spectral …
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Combinatorial effects of bovicin HC5 and epsilon-polylysine against Alicyclobacillus acidoterrestris in orange juice
… (pH 4). The results showed that the mean D-value without AMPs was 7.68 min at 95 oC. With the addition of ɛ-polylysine into the juice, no significant difference was observed (P > 0.05) while treatment with bovicin HC5 reduced the D-value (P < 0.05) compared to control. This effect was …
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The effect of heat shock, growth atmosphere, and recovery atmosphere on the survival of Escherichia coli 0157:H7 to heat
… cells resulted in an increase in the mean D value after a 55°C heat treatment by a factor of 2.1 over nonheat-shocked controls. Heat shock of anaerobically grown cells also resulted ina significant increase in mean D value over nonheat-shocked controls. Anaerobic growth itself resulted in an …
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Identification and characterization of a psychrotrophic Clostridium sp. isolated from spoiled pasteurized crabmeat
… to post processing contamination. Approximate D-values were determined for the heat tolerant organisms. A psychrotrophic Clostridium sp. was found in all cans tested from a Maryland processor, Processor B. This processor only had spoilage in machine picked meat pasteurized after hurricane Hugo. …
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The Shared Experiences Of Educators In Grades 7–12 Who Implement Lessons In Social–Emotional Learning Curriculum
… identify emotions, (c) safety and trust, and (d) value of relationships. Data collected also revealed subthemes: (a) the need for students to identify emotions through vocabulary, self-awareness, and coping skills; (b) build safety and trust in classrooms, and (c) the value of relationships in …
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Increase in heat resistance of <u>Listeria monocytogenes</u> Scott A by sublethal heat shock
… heat shock condition was 45°C for 20 min where D-values at 55°C increased 2.3 fold in non-selective agar and 1.6 fold in selective agar in comparison to non-heat shocked cells. However, cells heat shocked at 48°C for 10 min gave more consistent results; these cells were heated at 50, 55, 60, and …
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Use of Gamma Irradiation as an Intervention Treatment to Inactivate Escherichia coli O157:H7 in Freshly Extracted Apple Juice
… gamma irradiation at doses upto 1000 Gy. The D-value of the <em>E.coli </em>O157:H7 strain was 334 Gy indicating that irradiation at 1000 Gy would result in a 3-log reduction of this pathogen. Contaminated apples were also stored for 3 weeks at refrigerated temperature during which time …
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Linkage disequilibrium and haplotype block patterns in popcorn populations
… the biparental population. The lower average D' value in the breeding population reflects its recombination history. We observed low average r 2 values in the populations. There is an initially higher LD decrease for SNPs separated by 51- 100 kb (3 to 7% for D' and 28 to 66% for r 2 , on average) …
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Characterization and encapsulation of probiotic bacteria using a Pea-protein Alginate matrix
… acidophilus was the most acid-tolerant strain (D-value 10.2 ± 0.8 min), and was able to survive for 30 min; whereas, the other tested probiotics underwent a rapid (within the first 5 min at pH 2.0) 4-5 log colony forming units (cfu)/mL loss in viability. All probiotics tested were able to survive …
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An investigation of thin amorphous carbon-based sputtered coatings for MEMS and micro-engineering applications
… width analysis and correlation work with C KLL D value confirmed the errors. The use of XPS for Sp3/Sp2 was therefore limited to initial tentative estimations. Nanoindentation was shown to provide consistent hardness and reduced modulus results with depth (to < 7nm) when replicate data was …
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Modeling for thermal resistance of non-O157 shiga toxin producing Escherichia coli in ground beef
<p>Predictive models in microbiology are used for estimating the growth or survival of microorganism in a set of environmental conditions. A validated predictive model provides an alternative to extensive survival and shelf life studies. In this study, a predictive inactivation model for non-O157 …
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Development of amyloid beta binding bifunctional chelators for diagnosis of Alzheimer’s disease
… the octanol/PBS distribution coefficient (log D) values for prediction of blood-brain barrier (BBB) permeability. YW-13 shows the best amyloid staining but suffers from the low log D value of anionic 64Cu complex. Therefore, we adapted the compound design by replacing one carboxylate arm with a …
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Protein-Intercalated Bentonite for Bio-composites
… of composites and increased basal spacing (d-value) of bentonite. Transmission electron microscope (TEM) analysis confirmed the exfoliation of fillers for organically-modified bentonite. These observations, particularly at low filler dosage strongly suggest the formation of nanocomposites.
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Study mass transfer of Cd, Hg, As, DDT and chlordane through adsorption onto granular activated carbon
… taking 48 hours to be adsorbed. The [KLa]f value for the adsorption of Hg onto SIG was significant and the [KLa]d value for the adsorption of Hg onto SIG was higher onto SAG and BAG. The value of [KLa]f for SIG at 6% outflow was 0.6862 h-1, with values of [KLa]d at -0.4142 h-1 and [KLa]g at …
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Water use of mature pecan orchards under semi-arid conditions
… hypothesized that the method of adjusting Kc values for climate would not be transferable to hotter production areas where GDD exceeds 1500. Ibraimo (2018) [proposed that a better method could be to adjust Kc curve according to observed phenological stages and that the approach would work …