The Physikalisch-Technische Bundesanstalt (PTB) currently operates a laboratory for radiometry from the VUV to the hard X-ray spectral range at the 1.7 GeV electron storage ring BESSY II. Detector calibration, performed by the PTB at BESSY I up to photon energies of about 1.5 keV, can now ...
In an effort to better understand the structural basis of binding specificity of PTB, both X-ray crystallography and NMR solution structures of PTB domain in complex with peptides have been elucidated by several groups5–10. Apart from solving structures, mutagenesis studies and binding assays have...
PTB-Mitteilungen 发文量1,664 被引量6 主办单位:Friedr. Vieweg and Sohn Verlagsgesellschaft mbH 国际标准连续出版物号:ISSN0030-834X 收录汇总栏目浏览期刊详情 收录汇总 出版文献 期刊详情 分析评价 vol.129 (2019) vol.129 (2019) vol.128 (2018)...
PTBBESSYstorage ringelectron beam opticbeam cross sectionsbeam divergencessynchrotron radiation/ A0760D Photometry and radiometry A0785 X-ray, gamma-ray instruments and techniques A2920D Storage ringsPTB is setting up a radiometric laboratory at the storage ring BESSY. In the special mode "metrology"...
你好，根据你的情况，治疗PTB的西药本来副作用就较大，如果不是必须，尽量不要在合用其它药物，中药对...
Comparing two chest X-ray images is equivalent to the direct comparison of the two corresponding histograms. From each histogram, eleven percentiles (of image intensity) are calculated. The number of percentiles that shift to the left (NLSP) when second image is compared to the first has been ...
The uncertainty is about 0.23 % in the near infrared and increases to about 2 % in the soft X-ray region at 5 keV. At the radiometric laboratory of PTB at BESSY special beamlines have been built to calibrate transfer source standards utilizing BESSY as a primary standard. Presently laser ...
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X-ray and cineradiography measurements were used to compare the suspension effect and stability of a TSB trans-tibial prosthesis with an Icelandic Roll-On Silicone Socket (ICEROSS) system to that of a PTB trans-tibial prosthesis. The suspension effect was measured by the distance between the tib...
Gastric cancer (GC) is a prevalent malignant tumor, and the RNA-binding protein polypyrimidine tract-binding protein 1 (PTBP1) has been identified as a crucial factor in various tumor types. Moreover, abnormal autophagy levels have been shown to significantly impact tumorigenesis and progression. ...