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We utilize both Gaussian and Bessel illumination in a point-scanned dual-axis confocal (DAC) microscope and quantify the resultant degradation of resolution when imaging in phantoms and tissues. Results indicate that Bessel illumination exhibits reduced resolution degradation from micro-scale refractive heterogeneities compared to conventional Gaussian illumination.
Pepsin is widely used for the extraction of pepsin-solubilized collagens (PSC) from many resources. PSC-A and PSC-P were prepared from carp skin using 0.1 mol L−1 acetic acid and 0.02 mol L−1 Na2HPO4 (pH 7.2) as the dialysis solution, respectively. SDS-PAGE patterns showed PSC-A and PSC-P as type I collagens, as well as acid soluble collagen (ASC). When incubated at 40°C, no degradation was observed...
Nitrofuran antibiotics, such as furaltadone (FTD), are biorefractory materials in water, and the degradation of FTD by using ozonation process was studied in this paper. In all cases, the reaction of FTD degradation by ozonation follows pseudo first-order kinetics. The influences of pH value on the reaction kinetics were investigated, and the results showed that ozonation process was remarkably affected...
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