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CALORIMETRIC INVESTIGATION OF DNA/ANTHRACYCLINE DRUG INTERACTIONS

CALORIMETRIC INVESTIGATION OF DNA/ANTHRACYCLINE DRUG INTERACTIONS
DNA/蒽环类药物相互作用的量热研究
批准号:
3767438
负责人:
C P MUDD
金额:
$0.0万
依托单位国家:
美国
项目类别:
财政年份:
--
资助国家:
美国
项目状态:
未结题
起止时间:
至

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中文摘要
翻译
在进行第一次直接测量结合热之后 蒽环类药物柔红霉素对DNA的作用在10-20微摩尔 范围(其中单体形式占主导地位),我们扩大了实验 研究在不同盐度下与其他DNA宿主的相互作用 浓度和温度。带有差动停流装置 微量热计,我们能够测量120个这样的热容 一天,不确定度只有3微焦耳。热焓变热 范围从-20微焦(吸热)到+50微焦 (放热)。这些实验现在已经扩展到测量和 比较一系列DNA主机的一整套结合配置文件 复合体。
英文摘要
After performing the first direct measurements of the binding enthalpies of the anthracycline drug daunomycin to DNA in the 10 to 20 micromolar range (where the monomeric form predominates), we extended the experiment to study the interaction with other DNA hosts at varying salt concentrations and temperatures. With a differential stopped-flow microcalorimeter, we were able to measure 120 of these enthalpies per day, with an uncertainty of only 3 microjoules. The enthalpy heats ranged from -20 microjoules (endothermic) to +50 microjoules (exothermic). The experiments have now been expanded to measure and compare a complete set of binding profiles for a series of DNA host complexes.
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TEMPERATURE CONTROLLED CHAMBER FOR X-RAY DIFFRACTION SPECIMENS
  • 批准号:
    3959937
  • 项目类别:
  • 资助金额:
    $0.0万
  • 财政年份:
    --
  • 负责人:
    C P MUDD
  • 依托单位:
HIGH-SPEED DIFFERENTIAL STOPPED-FLOW CALORIMETER
SIGNAL CONDITIONING & DATA ACQUISITION SYSTEM FOR SLEEP DEPRIVATION STUDIES
EFFECT OF TEMPERATURE GRADIENTS ON CALORIMETRIC MEASUREMENTS IN FLUIDS
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