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    • 5. 发明授权
    • Method for determining relative energies of two or more different molecules
    • 确定两个或多个不同分子的相对能量的方法
    • US06622094B2
    • 2003-09-16
    • US08601734
    • 1996-02-15
    • W. Clark StillQuentin McDonald
    • W. Clark StillQuentin McDonald
    • G06F1750
    • C07K1/00G06F19/16G06F19/701G06F19/704
    • The present invention provides for a method for selecting a molecule for a population which comprises: a) selecting a first molecule with a conformation characterized by a particular set of coordinates that define the position of each atom in the first molecule; b) determining the energy of the first molecule; c) transforming the coordinates of the first molecule to the coordinates of a second structurally distinct molecule to produce a particular conformation of the second molecule characterized by a particular set of coordinates that define the position of each atom in the second molecule; d) determining the energy of the second molecule; thus, selecting either the first molecule or the second molecule for the population based on their relative energies. The selected molecule may be redefined as the first molecule and the procedure repeated iteratively so as to obtain a population of first molecules and a population of second molecules. Based on the populations, the free energy difference between the first molecule and the second molecule may be determined.
    • 本发明提供了一种用于选择群体分子的方法,其包括:a)选择具有由定义第一分子中每个原子的位置的特定坐标系表征的构象的第一分子; b)确定第一分子的能量; c)将第一分子的坐标转换为第二结构不同分子的坐标以产生第二分子的特定构象,其特征在于定义第二分子中每个原子的位置的特定坐标系; d)确定第二分子的能量; 因此,基于它们的相对能量,为群体选择第一分子或第二分子。 所选择的分子可以被重新定义为第一分子,并且该过程重复地重复以获得第一分子和第二分子群体的群体。 基于群体,可以确定第一分子和第二分子之间的自由能差异。
    • 7. 发明授权
    • Flash chromatography
    • 快速色谱
    • US4293422A
    • 1981-10-06
    • US54982
    • 1979-07-05
    • W. Clark Still
    • W. Clark Still
    • B01D15/08G01N30/60
    • G01N30/603B01D15/165
    • A short vertical column is utilized to confine a short bed of adsorbent horizontally which has vertically defined upper and lower ends. Space in the column is provided to define a zone for horizontally defined liquid above and in contact with the bed. Liquid solvent is then placed in the column above bed to wet the bed, and positive gas pressure is applied to the liquid above the bed to drive entraped gases out of the bed. The solvent level is then lowered to the upper level of the bed. The sample is then added and gas pressure is used to drive the solvent and sample into the bed. The bed is eluted with fresh solvent in the same manner.
    • 使用短的垂直柱来限制水平的具有垂直限定的上端和下端的吸附剂。 提供柱中的空间来限定在床上方并与床接触的水平定义的液体的区域。 然后将液体溶剂置于床上方的柱中以使床层湿润,并将床上的液体施加正气体压力以将夹带的气体驱出床。 然后将溶剂水平降至床的上部水平。 然后加入样品,使用气体压力将溶剂和样品驱入床中。 以相同的方式用新鲜溶剂洗脱床。
    • 8. 发明授权
    • Supports and combinatorial chemical libraries thereof encoded by
non-sequencable tags
    • 由非可序列标签编码的支持体和组合化学文库
    • US6001579A
    • 1999-12-14
    • US485018
    • 1995-06-07
    • W. Clark StillMichael H. WiglerMichael H. J. OhlmeyerLawrence W. DillardJohn C. Reader
    • W. Clark StillMichael H. WiglerMichael H. J. OhlmeyerLawrence W. DillardJohn C. Reader
    • C07D243/16G01N33/53G01N33/543G01N33/546G01N33/566G01N33/58
    • C07D243/28C07D491/048C40B40/04C40B50/16C40B70/00G01N33/54313G01N33/54353C07B2200/11
    • Encoded combinatorial chemistry is provided, where sequential synthetic schemes are recorded using organic molecules, which define choice of reactant, and stage, as the same or different bit of information. Various products can be produced in the multi-stage synthesis, such as oligomers and synthetic non-repetitive organic molecules. Conveniently, nested families of compounds can be employed as identifiers, where number and/or position of a substituent define the choice. Alternatively, detectable functionalities may be employed, such as radioisotopes, fluorescers, halogens, and the like, where presence and ratios of two different groups can be used to define stage or choice. Particularly, pluralities of identifiers may be used to provide a binary or higher code, so as to define a plurality of choices with only a few detachable tags. The particles may be screened for a characteristic of interest, particularly binding affinity, where the products may be detached from the particle or retained on the particle. The reaction history of the particles which are positive for the characteristic can be determined by the release of the tags and analysis to define the reaction history of the particle.
    • 提供了编码的组合化学,其中使用有机分子记录顺序合成方案,其定义了反应物的选择和阶段,作为相同或不同的信息位。 可以在多级合成中产生各种产物,例如低聚物和合成的非重复有机分子。 方便地,化合物的嵌套族可以用作标识符,其中取代基的数目和/或位置定义了选择。 或者,可以使用可检测的官能团,例如放射性同位素,荧光剂,卤素等,其中两个不同基团的存在和比例可用于限定阶段或选择。 特别地,可以使用多个标识符来提供二进制或更高代码,以便仅限定几个可拆卸标签来定义多个选择。 可以筛选颗粒以获得感兴趣的特征,特别是结合亲和力,其中产物可以与颗粒分离或保留在颗粒上。 对特征呈阳性的颗粒的反应历程可以通过标签的释放和分析来确定以确定颗粒的反应历程。
    • 10. 发明授权
    • Rapidly convergent method for boltzmann-weighted ensemble generation in
free energy simulations
    • 在自由能模拟中的螺旋加权集合生成的快速收敛方法
    • US5740072A
    • 1998-04-14
    • US320255
    • 1994-10-07
    • W. Clark StillFrank GuarnieriHanoch Senderowitz
    • W. Clark StillFrank GuarnieriHanoch Senderowitz
    • C07K1/00G06F17/50G06F19/00G01N37/00
    • C07K1/00G06F19/701
    • The invention is directed to a method for generating possible conformations of a molecule comprising the steps of: a) selecting a first conformation of the molecule characterized by a first set of coordinates associated with each atom in the molecule by the presence of a pattern of forces among such atoms and by a series of intrinsic forces associated with each atom; b) varying the pattern of forces among such atoms in a non-random manner and randomly varying the series of intrinsic forces associated with each atom so as to generate a second conformation of the molecule characterized by a second set of coordinates associated with each atom in the molecule, by a second pattern of forces among each atom and by a second series of intrinsic forces associated with each atom; and c) randomly varying the second set of coordinates so as to obtain a third set of coordinates and thereby generating such possible conformations of the molecule.
    • 本发明涉及一种用于产生分子的可能构象的方法,包括以下步骤:a)选择分子的第一构象,所述第一构象的特征在于通过存在力图形的分子中与每个原子相关联的第一组坐标 在这些原子之间以及与每个原子相关联的一系列内在力; b)以非随机方式改变这些原子之间的力的模式并且随机地改变与每个原子相关联的一系列内在力,从而产生分子的第二构象,其特征在于与每个原子相关联的第二组坐标 分子,通过每个原子之间的第二个力图案和与每个原子相关联的第二系列内在力; 以及c)随机地改变所述第二组坐标以获得第三组坐标,从而产生所述分子的这种可能的构象。