Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:1.1.1.3 (HSD)
 3,464 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A laboratory incubation experiment was conducted in tropical rain-fed (red soil) and irrigated (black soil) rice agroecosystem during the crop growing season to determine the effect of the type of soil, cultivation practices and the age of plant on MOB (methane oxidizing bacteria) population size and their activities. The average value of MOB population size was 11.7 +/- 4.5 x 10(5) cells g(-1) soil, with a range of 3.1 +/- 0.4 to 21.2 +/- 1.0 x 10(5) cells g(-1) soil for red soil, which was lower in comparison to black soil where population size varied between 84.2 +/- 3.8 and 289.4 +/- 7.0 x 10(5) cells g(-1) soil with an average of 182.8 +/- 53.5 x 10(5) cells g(-1) soil. The highest population size was recorded during the grain maturation stage which gradually declined during the grain filling, flowering and tillering stages of the rice plants. The HSD test indicated a significant variation in the MOB population size with the varying ages of the plant. CH4 oxidizing capacity was higher in black soil as compared to red soil. The highest CH4 oxidizing capacity was found at the grain-filling stage in both the soil types. The differences in soil types and cultivation practices, pattern of variation in MOB population size and methane oxidation were found similar in both the sites under the influence of plant age, even though the detected values differed significantly.
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PMID:The effect of soil type and plant age on the population size of rhizospheric methanotrophs and their activities in tropical rice soils. 1764 2

This study evaluated the effects of fiber nets and application techniques and flowable composites as a liner on microleakage and the effects of fiber nets on polymerization shrinkage in Class II MOD cavities. Standard MOD cavities were performed in 80 extracted third molars. The teeth were randomly divided into eight groups (n=10). Group 1: Filtek Supreme XT (bulk technique) (FSB); Group 2: Filtek Supreme XT (incremental technique) (FSI); Group 3: Filtek Supreme XT Flow (FS Flow)+FSB; Group 4: FS Flow+FSI; Group 5: FS Flow+Ribbond (R)+FSB; Group 6: FS Flow+R+FSI; Group 7: FS Flow+everStick NET (E)+FSB; Group 8: FS Flow+(E)+FSI. All the teeth were then immersed in 0.5% basic fuchsin solution for 24 hours after thermocycling for 1000 cycles (5 degrees C and 55 degrees C). The teeth were sectioned longitudinally and observed under a stereomicroscope. In order to determine the polymerization shrinkage, another study was designed. In Group A, composite was applied as a bulk. In Group B, the resin composite was divided into two parts and Ribbond fiber was placed in the middle of the mass. In Group C, everStick NET fiber was placed inside the composite, as in Group B. Statistical analysis were performed by using one-way ANOVA and Tukey HSD tests for both microleakage and polymerization shrinkage (p < 0.05). Less microleakage was observed in groups where composites were applied by the incremental technique compared with those where the bulk technique was used (p < 0.05). The groups that used flowable composites showed significantly lower microleakage (p < 0.05). In groups where fiber nets were used, a significant decrease was determined in terms of microleakage (p < 0.05). Groups with fiber nets exhibited lower polymerization shrinkage (p < 0.05). Fiber nets decreased both microleakage and polymerization shrinkage. The incremental technique is an effective method for Class II composite restorations.
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PMID:Effect of fiber nets, application techniques and flowable composites on microleakage and the effect of fiber nets on polymerization shrinkage in class II MOD cavities. 1936 73