نتایج جستجو برای: t tenax
تعداد نتایج: 703471 فیلتر نتایج به سال:
This paper describes the use of a suite of extraction procedures applicable to the assessment of the in vitro toxicity of paper/board samples intended for food-contact applications. The sample is extracted with ethanol, water, or exposed to modified polyphenylene oxide (Tenax) for fatty, non-fatty and dry food applications, respectively. The water extracts are directly suitable for safety asses...
Method VOCs were measured in thirty-three asthmatic children (age: 11.8 yrs, SD 2.3 yrs) who participated in the PACMAN2 study. All children were current users of ICS. Current asthma control was assessed using the Asthma Control Questionnaire. Long-term asthma control was based on reported symptoms in the four seasons preceding baseline and follow-up visit. A single vital capacity volume of exh...
In eukarya and bacteria, lysine methylation is relatively rare and is catalysed by sequence-specific lysine methyltransferases that typically have only a single-protein target. Using RNA polymerase purified from the thermophilic crenarchaeum Sulfolobus solfataricus, we identified 21 methyllysines distributed across 9 subunits of the enzyme. The modified lysines were predominantly in alpha-helic...
A rapid and specific dot-enzyme immunoassay (DIBA) using monoclonal antibody was introduced for detection of Trichomonas vaginalis antigen in vaginal and urethral materials. The results of DIBA were compared with culture findings of the parasite in 245 female patients. Taking culture as the reference method, DIBA had a sensitivity of 92% and a specificity of 93%. The predictive value of a posit...
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