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Cross-reactions of calf thymus histones with polylysine antisera 总被引:1,自引:0,他引:1
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Gundrum FF 《California State Journal of Medicine》1913,11(10):400-402
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Rosa Garcia Sanchez Bärbel Hahn-Hägerdal Marie F Gorwa-Grauslund 《Biotechnology for biofuels》2010,3(1):1-9
Background
Bioethanol can be produced from sugar-rich, starch-rich (first generation; 1G) or lignocellulosic (second generation; 2G) raw materials. Integration of 2G ethanol with 1G could facilitate the introduction of the 2G technology. The capital cost per ton of fuel produced would be diminished and better utilization of the biomass can be achieved. It would, furthermore, decrease the energy demand of 2G ethanol production and also provide both 1G and 2G plants with heat and electricity. In the current study, steam-pretreated wheat straw (SPWS) was mixed with presaccharified wheat meal (PWM) and converted to ethanol in simultaneous saccharification and fermentation (SSF).Results
Both the ethanol concentration and the ethanol yield increased with increasing amounts of PWM in mixtures with SPWS. The maximum ethanol yield (99% of the theoretical yield, based on the available C6 sugars) was obtained with a mixture of SPWS containing 2.5% water-insoluble solids (WIS) and PWM containing 2.5% WIS, resulting in an ethanol concentration of 56.5 g/L. This yield was higher than those obtained with SSF of either SPWS (68%) or PWM alone (91%).Conclusions
Mixing wheat straw with wheat meal would be beneficial for both 1G and 2G ethanol production. However, increasing the proportion of WIS as wheat straw and the possibility of consuming the xylose fraction with a pentose-fermenting yeast should be further investigated. 相似文献9.
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Markina OA Iastrebova NE Vaneeva NP Liashova VN Ovechko NN 《Zhurnal mikrobiologii, epidemiologii, i immunobiologii》2004,(4):40-43
The study of cross-reactions between healthy pulmonary tissue antigens and Moraxella catarrhalis with the use of SDS-electrophoresis and immunoblotting revealed that in the component of healthy pulmonary tissue with a mol. wt. of 40 kD epitopes existed to which antibodies were produced, capable of cross reaction with the components of M. catarrhalis with a mol. wt. of 35 kD and 70 kD. In addition, the presence of cross-reactions between cytokeratin-8, protein contained in healthy pulmonary tissue, and M. catarrhalis antigens was established. 相似文献
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The strong cross-reactions demonstrated for staphylococcal enterotoxins B (SEB) and C1 (SEC1) by measurement of antigen-binding capacity were reflected in well defined polypeptides obtained by limited tryptic digestion from SEB and SEC1. Two antigenic determinants on each enterotoxin were capable of reacting with heterologous antibody, one on the first 57 amino acids and one on the last 150 residues of the polypeptide backbone. The larger, carboxyl terminal polypeptides bound efficiently to homologous antiserum but about two orders of magnitude less efficiently to heterologous antibody. The amino terminal peptides showed only weak homologous binding but nearly comparable heterologous binding. It is proposed that the determinant on the amino terminal polypeptides is largely responsible for the strong reciprocal binding of the intact enterotoxins and that their low antigen-binding capacity is due to a random or a structurally distorted conformation in solution. 相似文献
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Lei Liu Jia Wu Minxin Shi Fengying Wang Haimin Lu Jibing Liu Weiqin Chen Guanzhen Yu Dan Liu Jing Yang Qin Luo Yan Ni Xing Jin Xiaoxia Jin Wen-Lian Chen 《基因组蛋白质组与生物信息学报(英文版)》2022,20(4):670-687
Esophageal squamous cell carcinoma(ESCC) is a major histological subtype of esophageal cancer with a poor prognosis. Although several serum metabolomic investigations have been reported, ESCC tumor-associated metabolic alterations and predictive biomarkers in sera have not been defined. Here, we enrolled 34 treatment-naive patients with ESCC and collected their pre-and post-esophagectomy sera together with the sera from 34 healthy volunteers for a metabolomic survey. Our comprehensive analysis i... 相似文献
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