它们都是手性分子,属于外消旋体。
方法综述手性分子的研究历史和药物手性对药理作用的影。
Methods: Research history of the survey chirality molecule and chirality impact on pharmacology function of medicine.
制备并得到了三种基于二乙酯基甘脲的手性分子夹的晶体结构。
The X-ray crystal structures of three chiral molecular clips based on diethoxycarbonyl glycoluril were obtained.
一种超螺旋光束被用来区分左右手性分子,准确度达到了空前水平。
A super twisty beam of light has been created that can distinguish between left and right-handed molecules with unprecedented precision.
本论文在已有手性分子经典模型的基础上,研究了手性分子介质的光整流效应。
In this dissertation, optical rectification effect of chiral molecular medium is investigated based on classical model of chiral molecules.
本文将综述通过非手性分子形成的手性晶体的固相反应进行的“绝对”不对称合成。
In the present review, we describe the asymmetric synthesis via the reactions of chiral crystals of achiral molecules.
综述了超分子卟啉化合物对离子、大分子、手性分子的识别的研究进展及其在一些领域的应用。
This paper is to study progress on molecule recognition of ion, macromolecule, chiral molecule and applications in some field by the use of supramolecular porphyrins.
为判别这种光束是否可以用来分辨分子手性,他们将光束照射到荧光手性分子上,分子被激发后会发出荧光。
To see whether it could be used to distinguish between left and right-handed molecules, they shone it on fluorescent chiral molecules, which glow when they are excited.
旋转偏振光被他们用来筛选左手性和右手性分子,这种光的电场以左手或右手螺旋形式在空间旋进。
They sort left from right versions using circularly polarised light, whose electric field corkscrews through space in a left or right-handed direction.
实际上,根据Naaman的解释,在手性分子蒸气过程中起作用的主要是自旋—轨道耦合相互作用,这显然太弱而无法解释当前的实验结果。
As a result the interaction at work in the vapour - spin-orbit coupling - is simply too weak to explain these recent results, according to Naaman.
他表示,以科学工作者秉承的谨慎态度来看,很难想象完全以手性反转分子结构形成的镜像细胞会成为现实。
The cautious scientist in him can’t see how the mirror cell, once full of chirally flipped molecular machinery, will come to life.
脂肪酸没有手性;它们的镜像分子就是自己。
The fatty acids have no chirality; their mirror image is the same molecule.
“许多药物分子是手性的,并且两种镜象结构在药理上(pharmalogically)有所区别,对人体的作用是不同的”,科恩说。
"Many drug molecules are chiral and the two mirror images are pharmalogically different and do not have same interactions with the body," says Cohen.
此外,如果一个分子有很多的手性中心,每一个都能起作用,那么所需分子结构的产量就会很少。
Moreover, if there are lots of chiral centres in a molecule, and each matters, the yield of the version with the right combination can be minuscule.
早期的地球似乎是被一层并不存在手性偏好的有机分子汤所覆盖。
Early Earth seems to have been covered in a soup of organic molecules with no chiral preference.
比如说,几乎所有构成生物蛋白的氨基酸都是左手性的,所以出现右手手性的自我复制生物分子可能意味着发现了外星生物体。
Almost all amino acids that make up biological proteins, for instance, are left-handed, so a self-replicating biological molecule of right-handed chirality could be suggestive of an alien organism.
以镜像方式对称的分子通常会具有不同的性质,于是研究人员利用这种“手性(chirality,译注:指分子的左/右手螺旋性质)”来设计新药物。
Molecules often come in mirror images that can have different properties, and researchers take advantage of this "chirality" to design new drugs.
介绍了金属卟啉配合物在分子形状与大小识别、官能团识别和手性识别方面的研究概况。
Molecular recognition of size and shape, functional group, as well as chirality of guests by metalloporphyrin hosts are discussed in detail.
手性识别是分子识别的一个重要组成部分。
Chiral recognition is an important part of molecular recognition.
这个甘氨酸分子就可以形成两种镜像对称的结构,具有了手性,或者说化学中所称的“旋光性”。
The molecule can then form two mirrored versions, giving it handedness or "chirality" as it is called in chemistry.
手性是自然界最重要的属性之一,分子手性识别在生命活动中起着极为重要的作用。
Chirality is one of the important attributes of the nature. The molecular chirality distinguishing plays specially important role in life activity.
手性指的是分子之间的“握手方式”,而这些分子通常包含按镜像方式排列的原子成分。
Chirality refers to the "handedness" of molecules, which often contain the same constituent atoms arranged in mirror-image forms.
糖作为一类具有多官能团、多手性中心、廉价易得的手性小分子可以很方便地作为手性助剂用于不对称合成。
Carbohydrate, with multi-functional groups and chiral centers in one small molecule, is inexpensive and can be converted into efficient chiral auxiliary for controlling asymmetric synthesis.
结合作者研究组近年来对毛细管电泳的系统研究,评述了亲和毛细管电泳方法研究生物分子的手性识别进展。
Based on the recent work of the authors' group, the new development of chiral recognitions of biomolecules using affinity capillary electrophoresis is reviewed.
初步研究表明,这类裂缝型受体不仅对中性小分子具有优良的识别性能,而且对D/L氨基酸甲酯具有良好的手性识别能力。
The preliminary results indicate that these molecular clefts not only recognize neutral molecules, but also show good enantio selectivity for D/L amino acid methyl esters.
对样品分子中影响手性拆分的结构特征进行了讨论。
The structural character of the samples that influences chiral recognition was discussed.
综述了近年来分子印迹聚合物在手性药物分离和临床药物分析应用方面的研究进展。
The research progress on applications of MIP in chiral drug separation and clinical drug analysis in the recent years was expounded.
这项研究为手性药物分子检测和分析提供了新的实验方法,也对深入了解手性药物与生物靶分子之间相互作用提供了启示。
These will not only give a new experimental method to distinguish chiral medicine, but also provide a suggestion for further comprehending the interaction of chiral medicine and target biomolecule.
综述了手性基团在树状大分子中的构建,并对此类化合物的性质及研究和应用前景作了简要介绍。
In this paper, the synthesis of chiral dendrimers was reviewed. The properties and the prospect in research and application of were simply described.
采用原位分子印迹技术,单步制备了一种辛可宁印迹的手性整体柱。
A cinchonine imprinted chiral monolithic column was prepared for the separation of the diastereomers of cinchonine and cinchonidine by in situ molecular imprinting technique.
应用推荐