有机化学使合成扩展自然基因字母表的分子成为可能。使用先前描述的由异鸟嘌呤和 5-甲基异胞嘧啶构建的非标准 DNA 碱基对,我们报告了一种高度特异和灵敏的方法,该方法允许在封闭管格式中对基因序列进行快速和特异的定量。在 PCR 扩增过程中,与异鸟嘌呤共价连接的猝灭剂的酶促位点特异性掺入允许同时检测和识别多个目标。然后通过分析扩增子的热变性或熔解来确定方法的特异性。通过在反应混合物中加入一个独立的目标,进一步验证所有反应的适当功能。我们报告说该方法对单拷贝水平敏感,并且特异性通过使用四个单独的荧光报告基因同时对四个目标进行多重终点基因型分析来证明。该方法适用于使用先前开发的引物组对 RNA 和 DNA 进行定量和定性分析。尽管所描述的方法采用了常用的 PCR,但将报告基团酶促掺入 DNA 位点特异性应在整个分子生物学中找到广泛的用途。
FLUOROPHORE CHELATED LANTHANIDE LUMINESCENT PROBES WITH IMPROVED QUANTUM EFFICIENCY
申请人:Mustaev Arkady
公开号:US20130202536A1
公开(公告)日:2013-08-08
The invention relates to novel luminescent compositions of matter containing a fluorophore, synthetic methods for making the compositions, macromolecular conjugates of the compositions, and the use of the compositions in various methods of detection. The invention also provides kits containing the compositions and their conjugates for use in the methods of detection.
A new synthesis of aliphatic isothiocyanates from primary amines, convenient for in situ use
作者:Ulrik Boas、Mogens Havsteen Jakobsen
DOI:10.1039/c39950001995
日期:——
Primaryaliphaticamines react with carbon disulfide in the presence of BOP (benzotriazole-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate 1, giving the corresponding isothiocyanates in good to high yields and high purity; a number of isothiocyanates are synthesized and isolated or generated in situ and treated with a nucleophile.
TRACEABLE RETINOID ACID FOR IMAGING, DISEASE PREVENTION AND THERAPY
申请人:Ke Shi
公开号:US20120244079A1
公开(公告)日:2012-09-27
The present invention provides nonradioactive NIR optical imaging agents based up on the structure of retinoid acid derivatives. The nonradioactive NIR optical imaging agent has been evaluated at the cellular level by confocal microscopy, and in vivo in a whole animal using a various xenograft models. The specific uptake of this agent in human cancer cells and multiple xenograft models demonstrate that nonradioactive near infrared dye labeled retinoid metabolites and/or analogs are useful for early stage cancer studies and diagnoses. Also, the present invention provides that nonradioactive near infrared dye labeled retinoid metabolites and/or analogs are useful for visualization of drug redistribution within the body which is useful in determining the optimal biological dose. Ultimately, the visualization data can be used as an analytical tool to reduce any systemic toxicity.
Application of BODIPY-trimethylmelamine conjugate for DNA crosslinking in vitro
作者:V. A. Efimov、S. V. Fedunin、O. G. Chakhmakhcheva
DOI:10.1134/s1068162011020038
日期:2011.3
The conjugate of the fluorescent dye 4,4,-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indasten-8-propionic acid (BODIPY) with N2,N4,N6-trimethylmelamine was obtained. This compound was shown to generate covalent crosslinks between DNA strands in vitro in the presence of formaldehyde.
荧光染料 4,4,-difluoro-1,3,5,7-tetramethyl-4-bora-3a,4a-diaza-s-indasten-8-propionic acid (BODIPY) 与 N2,N4,N6 的共轭物得到-三甲基三聚氰胺。在存在甲醛的情况下,该化合物显示出在体外 DNA 链之间产生共价交联。
[EN] SITE-SPECIFIC ANTIBODY-DRUG GLYCOCONJUGATES AND METHODS<br/>[FR] GLYCOCONJUGUÉS ANTICORPS-MÉDICAMENT SPÉCIFIQUES D'UN SITE ET PROCÉDÉS
申请人:UNIV GEORGIA
公开号:WO2015157446A1
公开(公告)日:2015-10-15
Compounds, compositions, and methods are provided for covalently linking an antibody or an antibody fragment to a cargo molecule, such as a therapeutic or a diagnostic agent, using a combination of enzymatic glycan remodeling and click chemistry. The method allows a cargo molecule to be selectively and efficiently attached post-translationally to an antibody or an antibody fragment. Also provided are antibody drug conjugates, methods of making, and uses thereof.