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1.
J Vet Med Sci ; 73(2): 255-8, 2011 Feb.
Article in English | MEDLINE | ID: mdl-20948171

ABSTRACT

Three Japanese Black cows housed with 6 other cows exhibited main clinical symptoms of severe hemoglobinuria. Hematological analyses conducted after antibiotic therapy demonstrated severe anemia, and biochemical analyses indicated both severe hemolysis and disruption of hepatic function. One of the three cows died. Based on the above analyses and observation of typical clinical symptoms, a speculative diagnosis of bacillary hemoglobinuria was made, and immediate high-dose antibiotic treatment improved the general conditions of the surviving animals. Blood samples from the other 2 cows were collected sequentially after antibacterial therapy. Clostridium haemolyticum was detected by a nested polymerase chain reaction analysis of the blood samples. The cows were diagnosed with the second recorded occurrence of bacillary hemoglobinuria in Japan.


Subject(s)
Anti-Bacterial Agents/therapeutic use , Cattle Diseases/microbiology , Clostridium Infections/veterinary , Clostridium/isolation & purification , Hemoglobinuria/veterinary , Animals , Cattle , Cattle Diseases/drug therapy , Cattle Diseases/urine , Clostridium/genetics , Clostridium Infections/drug therapy , Clostridium Infections/microbiology , Clostridium Infections/urine , DNA, Bacterial/chemistry , DNA, Bacterial/genetics , Fatal Outcome , Female , Hemoglobinuria/drug therapy , Hemoglobinuria/microbiology , Hemoglobinuria/urine , Japan , Polymerase Chain Reaction/methods , Polymerase Chain Reaction/veterinary
2.
J Nanosci Nanotechnol ; 8(2): 493-502, 2008 Feb.
Article in English | MEDLINE | ID: mdl-18464362

ABSTRACT

The behavior of oxide film on pure iron passivated in a borate buffer solution and subsequently radiated by infrared light (IR) was investigated in comparing to that by just IR annealing without passivation, and was evaluated by film structure, etc. The effect of thermal annealing over 250 degrees C was observed with gamma-Fe2O3 grain growth and sharp increase in surface roughness, film thickness and oxygen content. An ellipsometric parameter of tan psi was sensitively reflected by annealing effect, and tan psi curve had a shoulder at 150 degrees C for 5 min and a peak of tan psi was shifted from 350 nm to 450 nm in wavelength. This shift was also caused by the formation of gamma-Fe2O3, because the peak was also observed in tan psi of the bulk Fe2O3 family. Passivation effects at 800 mV prior to IR annealing on thickness and oxygen content changed at 150 degrees C, and decreased tan psi at 350 nm and excessive film growth over 250 degrees C, and increased oxygen content under 100 degrees C and surface roughness at 50-250 degrees C. The terrace width with atomic scale flatness was slightly increase by passivation prior to IR annealing at 50-250 degrees C, and the maximum terrace width reached larger than 10 nm by passivation and IR annealing at 100 degrees C for 30 min.

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