共查询到20条相似文献,搜索用时 15 毫秒
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Mary M. Ball William Jeffrey Martin Miguel Kourany Sam R. Telford Jr. 《Applied microbiology》1970,19(4):694-695
Characteristics of a new Salmonella serotype, subgenus IV, are reported. Culture 5534-68 was recovered from the intestinal tract of Anolis biporcatus, an arboreal lizard found in deep forest tracts in Panama Province, Republic of Panama. The antigenic composition of this new serotype was found to be 50(1, 2, 3):z(4), z(24):-. 相似文献
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A new Salmonella serovar S.III b 58:z10:z53:Rz50 was isolated from the water samples of Ashida river, Fukuyama city, Japan. Its antigenic structure is described. 相似文献
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Erich Tschermak 《TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik》1931,3(7):244-248
Ohne ZusammenfassungVorgetragen auf der Tagung der Internationalen Pflanzenzüchter-Vereinigung am 11. Juni 1931 in Berlin. 相似文献
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Kazutaka Miyatake Shozaburo Kitaoka 《Bioscience, biotechnology, and biochemistry》2013,77(7):1727-1729
Novel antioxidative phenylpropanoid-substituted tocopherol derivatives, prunusols A and B, were isolated from the leaf wax of Prunus grayana Maxim., and their structures were fully characterized by spectroscopic and synthetic methods. Prunusols A and B were found to be the conjugates of γ-tocopherol and p-coumaric acid, which are diastereoisomers of each other. They showed almost the same antioxidative activity as α-tocopherol in a water/alcohol system measured by thiocyanate and TBA methods. 相似文献
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In contrast to reported fact, the air-grown cells of Euglena gracilis z were found to excrete glycolate into the surrounding medium, when placed in an atmosphere of 100% O2 under illumination at 20000 lux at the same rate of the 5% CO2-grown cells, but with a lag phase of about 30 min. The lag was eliminated by lowering intracellular CO2 concentration in the air-grown cells.This paper is the eighth in a series on the metabolism of glycolate in Euglena gracilis. 相似文献
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Masao Tokunaga Yoshihisa Nakano Shozaburo Kitaoka 《Bioscience, biotechnology, and biochemistry》2013,77(7):1439-1440
A fluorescent reagent, N-(9-acridinyl)maleimide (NAM), was used for the determination of thiols in biological samples by high performance liquid chromatography. NAM-labeled glutathione (GSH), homocysteine, coenzyme A (CoA) and cysteine (CySH) were separated on a reversed-phase partition (octadecylsililated silica gel) column with the elution conditions of 0.06 m borate buffer pH 8.8: methanol (13: 1) at a flow rate of 0.6 ml/min within 15 min. In the absence of CoA in the sample, the elution conditions of 0.1 m borate buffer pH 8.8: methanol (15: 1) at a flow rate of 0.8 ml/min was used for the separations. Calibration curves were held up to 2.5 pmol for GSH and 11 pmol for CySH. About 0.17 µl of rat blood and 0.03 mg of rat liver equivalent to 0.1 nmol of GSH were determined. The sensitivity was 100 times higher than that obtained with an automatic amino acid analyzer. 相似文献
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Mass spectrometry: m/z 1983-2008 总被引:1,自引:0,他引:1
While definitely not a new technology, mass spectrometry (MS) has seen incredible growth over the past 25 years. Mass spectrometry has rapidly evolved to the forefront of analytical techniques; its ability to analyze proteins is the major driving force in the field of proteomics. MS instrumentation has increased approximately 5-fold in sensitivity every three years. The level of performance that is achievable with MS today allows scientists to study proteins in ways that were inconceivable a quarter century ago. This review of the history of MS over the past 25 years is timely in that it encompasses two of the biggest developments, electrospray and matrix-assisted laser desorption/ionization (MALDI), which have enabled many of the uses of this technology today. 相似文献
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Zhang XD 《Journal of biomolecular screening》2011,16(7):775-785
Hit selection is the ultimate goal in many high-throughput screens. Various analytic methods are available for this purpose. Some commonly used ones are z score, z* score, strictly standardized mean difference (SSMD), SSMD*, and t statistic. It is critical to know how to use them correctly because the misusage of them can readily produce misleading results. Here, the author presents basic concepts, elaborates their commonality and difference, describes some common misusage that people should avoid, and uses simulated simple examples to illustrate how to use them correctly. 相似文献
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Heinrich Eder 《当今生物学》2020,50(1):36-43
Corrugated wings and viscous air Airborne microorganisms were bound to evolve morphologic characteristics that are optimized with respect to their scale regime. Vortices – stationary or dynamically generated – herein are playing a dominant role. The generation of vortices in microorganisms is assisted by micro-morphologic structures as veins, grooves and pores. 相似文献
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D C Rao 《Human heredity》1979,29(6):334-336
When correlations are estimated by maximum likelihood method from the same sample, Fisher's z transformations of the correlations (as well as the sample correlations themselves) are shown to be asymptotically distributed as multivariate normal with appropriate mean and dispersion matrix. 相似文献
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