生物化学

分类

    现刊
    Isolation of Tumor Cells Based on Their Distance from Blood Vessels
    基于与血管距离的肿瘤细胞分离
    作者:Saran Kumar, Husni Sharife, Tirzah Kreisel, Libat Bar-Lev, Myriam Grunewald and Eli Keshet日期:05/20/2020,浏览量:517,Q&A: 0
    Differential exposure of tumor cells to microenvironmental cues greatly impacts cell phenotypes, raising a need for position based sorting of tumor cells amenable to multiple OMICs and functional analyses. One such key determinant of tumor ...
    Purification of Protein-complexes from the Cyanobacterium Synechocystis sp. PCC 6803 Using FLAG-affinity Chromatography
    Cyanobacterium Synechocystis sp. PCC 6803 中蛋白混合物的标记亲和层析纯化方法
    作者:Minna M. Koskela, Petra Skotnicová, Éva Kiss and Roman Sobotka日期:05/20/2020,浏览量:399,Q&A: 0
    Exploring the structure and function of protein complexes requires their isolation in the native state–a task that is made challenging when studying labile and/or low abundant complexes. The difficulties in preparing membrane-protein complexes are ...
    Molecular Size Analysis of Recombinant Importin-histone Complexes Using Analytical Ultracentrifugation
    重组输入蛋白-组蛋白配合物分子大小的超离心分析
    作者:Abhilash Padavannil, Chad A. Brautigam and Yuh Min Chook日期:05/20/2020,浏览量:322,Q&A: 0
    Histones constitute the protein components of nucleosomes. Despite their small sizes, histones do not diffuse through the nuclear pore complex. Instead, they are transported to the nucleus by importins, either alone or in complex with histone ...
    Pancreatic Acinar Cell Preparation for Oxygen Consumption and Lactate Production Analysis
    用于耗氧量和乳酸生产分析的胰腺腺泡细胞制备
    作者:Jane A. Armstrong, Robert Sutton and David N. Criddle日期:05/20/2020,浏览量:361,Q&A: 0
    Mitochondrial dysfunction is a principal feature of acute pancreatitis (AP) although the underlying mechanisms are still unclear. AP precipitants induce Ca2+-dependent formation of the mitochondrial permeability transition pore (MPTP) in ...
    In vitro Assay for Bacterial Membrane Protein Integration into Proteoliposomes
    细菌膜蛋白在蛋白质脂质体中的体外整合
    作者:Hanako Nishikawa, Masaru Sasaki and Ken-ichi Nishiyama日期:05/20/2020,浏览量:497,Q&A: 0
    It is important to experimentally determine how membrane proteins are integrated into biomembranes to unveil the roles of the integration factors, and to understand the functions and structures of membrane proteins. We have developed a ...
    Negative Ion Mode nanoLC-ESI-MS/MS Analyses of Permethylated Sulfated Glycans
    甲基化硫酸多糖的负离子模式nanoLC-ESI-MS / MS分析
    作者:Shin-Yi Yu, Chu-Wen Cheng and Kay-Hooi Khoo日期:05/20/2020,浏览量:445,Q&A: 0
    We have developed enabling techniques for sulfoglycomics based on MALDI-MS mapping and MS/MS sequencing of permethylated sulfated glycans. We then extended further the analytical workflow to C18 reverse phase (RP)-nanoLC-nanoESI-MS/MS analyses of ...
    Permethylation and Microfractionation of Sulfated Glycans for MS Analysis
    硫酸多糖的全甲基化和微萃取质谱分析
    作者:Shin-Yi Yu, Sergei Snovida and Kay-Hooi Khoo日期:05/20/2020,浏览量:460,Q&A: 0
    Sulfated glycans are barely detectable in routine mass spectrometry (MS)-based glycomic analysis due to ion suppression by the significantly more abundant neutral glycans in the positive ion mode, and sialylated non-sulfated glycans in the negative ...
    Evaluation of the Efficiency of Genome Editing Tools by a Frameshift Fluorescence Protein Reporter
    通过移码荧光蛋白报告基因评估基因组编辑工具的效率
    作者:Balaji T. Moorthy, Akhilesh Kumar, Lauren X. Lotenfoe and Fangliang Zhang日期:05/20/2020,浏览量:541,Q&A: 0
    In the last decade, genome editing has been the center of attention as a novel tool for mechanistic investigations and for potential clinical applications. Various genome editing tools like meganucleases, zinc finger nucleases (ZFNs), transcription ...
    Spatial Image Correlation Spectroscopy (ICS): A Technique for Average Size Determination of Subcellular Accumulated Structures from Fluorescence Microscopic Images
    空间图像相关光谱法(ICS):一种从荧光显微图像中确定亚细胞聚集结构平均尺寸的技术
    作者:Akira Kitamura and Masakata Kinjo日期:05/20/2020,浏览量:427,Q&A: 0
    Size determination of subcellular structures such as inclusion bodies (IBs) and granules from fluorescent images is important for identification and structural characterization. However, it is often time-consuming just for the comparison of the ...
    Isolation of Tumor Cells Based on Their Distance from Blood Vessels
    基于与血管距离的肿瘤细胞分离
    作者:Saran Kumar, Husni Sharife, Tirzah Kreisel, Libat Bar-Lev, Myriam Grunewald and Eli Keshet日期:05/20/2020,浏览量:517,Q&A: 0
    [Abstract] Differential exposure of tumor cells to microenvironmental cues greatly impacts cell phenotypes, raising a need for position based sorting of tumor cells amenable to multiple OMICs and functional analyses. One such key determinant of tumor heterogeneity in solid tumors is its vasculature. Proximity to blood vessels (BVs) profoundly affects tumor ...
    Purification of Protein-complexes from the Cyanobacterium Synechocystis sp. PCC 6803 Using FLAG-affinity Chromatography
    Cyanobacterium Synechocystis sp. PCC 6803 中蛋白混合物的标记亲和层析纯化方法
    作者:Minna M. Koskela, Petra Skotnicová, Éva Kiss and Roman Sobotka日期:05/20/2020,浏览量:399,Q&A: 0
    [Abstract] Exploring the structure and function of protein complexes requires their isolation in the native state–a task that is made challenging when studying labile and/or low abundant complexes. The difficulties in preparing membrane-protein complexes are especially notorious. The cyanobacterium Synechocystis sp. PCC 6803 is a widely used model ...
    Molecular Size Analysis of Recombinant Importin-histone Complexes Using Analytical Ultracentrifugation
    重组输入蛋白-组蛋白配合物分子大小的超离心分析
    作者:Abhilash Padavannil, Chad A. Brautigam and Yuh Min Chook日期:05/20/2020,浏览量:322,Q&A: 0
    [Abstract] Histones constitute the protein components of nucleosomes. Despite their small sizes, histones do not diffuse through the nuclear pore complex. Instead, they are transported to the nucleus by importins, either alone or in complex with histone chaperones. Determining the molecular size of the importin-histone complexes is key to understanding the ...
    Pancreatic Acinar Cell Preparation for Oxygen Consumption and Lactate Production Analysis
    用于耗氧量和乳酸生产分析的胰腺腺泡细胞制备
    作者:Jane A. Armstrong, Robert Sutton and David N. Criddle日期:05/20/2020,浏览量:361,Q&A: 0
    [Abstract] Mitochondrial dysfunction is a principal feature of acute pancreatitis (AP) although the underlying mechanisms are still unclear. AP precipitants induce Ca2+-dependent formation of the mitochondrial permeability transition pore (MPTP) in pancreatic acinar cells (PACs), leading to ATP depletion and necrosis. Evaluations of mitochondrial ...
    In vitro Assay for Bacterial Membrane Protein Integration into Proteoliposomes
    细菌膜蛋白在蛋白质脂质体中的体外整合
    作者:Hanako Nishikawa, Masaru Sasaki and Ken-ichi Nishiyama日期:05/20/2020,浏览量:497,Q&A: 0
    [Abstract] It is important to experimentally determine how membrane proteins are integrated into biomembranes to unveil the roles of the integration factors, and to understand the functions and structures of membrane proteins. We have developed a reconstitution system for membrane protein integration in E. coli using purified factors, in which the ...
    Negative Ion Mode nanoLC-ESI-MS/MS Analyses of Permethylated Sulfated Glycans
    甲基化硫酸多糖的负离子模式nanoLC-ESI-MS / MS分析
    作者:Shin-Yi Yu, Chu-Wen Cheng and Kay-Hooi Khoo日期:05/20/2020,浏览量:445,Q&A: 0
    [Abstract] We have developed enabling techniques for sulfoglycomics based on MALDI-MS mapping and MS/MS sequencing of permethylated sulfated glycans. We then extended further the analytical workflow to C18 reverse phase (RP)-nanoLC-nanoESI-MS/MS analyses of permethylated sulfated glycans in the negative ion mode. The advantages are that extra sulfates on ...
    Permethylation and Microfractionation of Sulfated Glycans for MS Analysis
    硫酸多糖的全甲基化和微萃取质谱分析
    作者:Shin-Yi Yu, Sergei Snovida and Kay-Hooi Khoo日期:05/20/2020,浏览量:460,Q&A: 0
    [Abstract] Sulfated glycans are barely detectable in routine mass spectrometry (MS)-based glycomic analysis due to ion suppression by the significantly more abundant neutral glycans in the positive ion mode, and sialylated non-sulfated glycans in the negative ion mode, respectively. Nevertheless, the negative charge imparted by sulfate can be advantageous ...
    Evaluation of the Efficiency of Genome Editing Tools by a Frameshift Fluorescence Protein Reporter
    通过移码荧光蛋白报告基因评估基因组编辑工具的效率
    作者:Balaji T. Moorthy, Akhilesh Kumar, Lauren X. Lotenfoe and Fangliang Zhang日期:05/20/2020,浏览量:541,Q&A: 0
    [Abstract] In the last decade, genome editing has been the center of attention as a novel tool for mechanistic investigations and for potential clinical applications. Various genome editing tools like meganucleases, zinc finger nucleases (ZFNs), transcription activator-like effector-based nucleases (TALEN), and the clustered regularly interspaced short ...
    Spatial Image Correlation Spectroscopy (ICS): A Technique for Average Size Determination of Subcellular Accumulated Structures from Fluorescence Microscopic Images
    空间图像相关光谱法(ICS):一种从荧光显微图像中确定亚细胞聚集结构平均尺寸的技术
    作者:Akira Kitamura and Masakata Kinjo日期:05/20/2020,浏览量:427,Q&A: 0
    [Abstract] Size determination of subcellular structures such as inclusion bodies (IBs) and granules from fluorescent images is important for identification and structural characterization. However, it is often time-consuming just for the comparison of the average size of the structures. Here, we introduce a high-throughput procedure to represent the average ...
    Confocal and Super-resolution Imaging of RNA in Live Bacteria Using a Fluorogenic Silicon Rhodamine-binding Aptamer
    含氟硅-罗丹明适配体用于活性菌中RNA的激光共聚焦高分辨率成像
    作者:Regina Wirth, Peng Gao, G. Ulrich Nienhaus, Murat Sunbul and Andres Jäschke日期:05/05/2020,浏览量:916,Q&A: 0
    [Abstract] Genetically encoded light-up RNA aptamers have been shown to be promising tools for the visualization of RNAs in living cells, helping us to advance our understanding of the broad and complex life of RNA. Although a handful of light-up aptamers spanning the visible wavelength region have been developed, none of them have yet been reported to be ...