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We developed a rapid and effective procedure for scanning electron microscopy of three delicate dinoflagellates, Karlodinium micrum, Akashiwo sanguinea, and Heterocapsa niei. Good results were obtained when the specimens were fixed with a modified Párducz’s fixative (2% osmium tetroxide:saturated mercuric chloride = 5:1 v/v) for 10 min, washed in 0.05 M(More)
AIM To evaluate diagnostic value of α-fetoprotein (AFP)-L3 and prothrombin induced by vitamin K absence-II (PIVKA-II) in hepatocellular carcinoma (HCC). METHODS One hundred and sixty-eight patients during routine HCC surveillance were included in this study. Of the 168 patients, 90 (53.6%) had HCC including newly developed HCC (n = 82) or recurrent HCC(More)
The H1N1 influenza virus has spread worldwide to become pandemic. Here, we developed a new method to discriminate various types of influenza A, including H1N1, using stuffer-free multiplex ligation-dependent probe amplification based on a conformation-sensitive separation method, namely capillary electrophoresis-single-strand conformation polymorphism.(More)
BACKGROUND/AIMS The aims of this study were (1) to identify the useful clinical parameters of noninvasive approach for distinguishing nonalcoholic steatohepatitis (NASH) from nonalcoholic fatty liver disease (NAFLD), and (2) to determine whether the levels of the identified parameters are correlated with the severity of liver injury in patients with NASH.(More)
The aim of the study was to determine the activity of an immobilized algicidal bacterium, Pseudomonas fluorescens HYK0210-SK09 (SK09), against blooms of the diatom Stephanodiscus hantzschii and to characterize its effect in an ecosystem. To this end, SK09 cells that had been immobilized using an activated carbon polyvinyl alcohol sponge (APVAS) were tested(More)
In recent decades, harmful algal blooms (HABs) - commonly known as red tides - have increasingly impacted human health, caused significant economic losses to fisheries and damaged coastal environments and ecosystems. Here, we demonstrate a method to control and suppress HABs through selective algal lysis. The approach harnesses the algicidal effects of(More)
An algicidal bacterium Pseudomonas fluorescens HYK0210-SK09 (SK09) was applied to a natural bloom of Stephanodiscus hantzschii using a small-scale mesocosm (SM) and a large-scale mesocosm (LM) to clarify the algicidal effects and evaluate the response of the planktonic community and environments. When SK09 cells were inoculated at a final concentration of 5(More)
BACKGROUNDS/AIMS It is not easy to differentiate between patients with cirrhosis and those with alcoholic liver disease. Liver biopsy is generally considered the gold standard for assessing hepatic fibrosis; however, this protocol frequently carries a risk of severe complications and false-negative results. Transient elastography (Fibroscan, Echosens,(More)
BACKGROUND Real-time PCR for quantification of JAK2 V617F has recently been introduced and used to evaluate the importance of mutant allele burden in both diagnosis and disease progression in myeloproliferative diseases (MPDs). We evaluated the usefulness of JAK2 MutaScreen kit that uses a real-time semiquantitative PCR method and has been designed to(More)
To assess the effects of crude oil spills on marine microbial communities, 10 L outdoor microcosms were manipulated over an exposure period of 8 days. The responses of microbial organisms exposed to five crude oil concentrations in 10 to 10,000 ppm (v/v) were monitored in the microcosms. The abundance of microalgae and copepods decreased rapidly upon the(More)