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  2. Chirality (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Chirality_(chemistry)

    An achiral molecule having chiral conformations could theoretically form a mixture of right-handed and left-handed crystals, as often happens with racemic mixtures of chiral molecules (see Chiral resolution#Spontaneous resolution and related specialized techniques), or as when achiral liquid silicon dioxide is cooled to the point of becoming ...

  3. Chirality - Wikipedia

    en.wikipedia.org/wiki/Chirality

    Conversely, a mirror image of an achiral object, such as a sphere, cannot be distinguished from the object. A chiral object and its mirror image are called enantiomorphs (Greek, "opposite forms") or, when referring to molecules, enantiomers. A non-chiral object is called achiral (sometimes also amphichiral) and can be superposed on its mirror ...

  4. Chiral drugs - Wikipedia

    en.wikipedia.org/wiki/Chiral_drugs

    An achiral environment does not differentiate the molecular twins whereas a chiral environment does distinguish the left-handed version from the right-handed version. Human body, a classic bio-environment, is inherently handed as it is filled with chiral discriminators like amino acids, enzymes, carbohydrates, lipids, nucleic acids, etc.

  5. Homochirality - Wikipedia

    en.wikipedia.org/wiki/Homochirality

    Homochirality is a uniformity of chirality, or handedness.Objects are chiral when they cannot be superposed on their mirror images. For example, the left and right hands of a human are approximately mirror images of each other but are not their own mirror images, so they are chiral.

  6. Chiral analysis - Wikipedia

    en.wikipedia.org/wiki/Chiral_analysis

    In an isotopic/achiral environment, enantiomers exhibit identical physicochemical properties, and therefore are indistinguishable under these conditions. For the separation of chiral molecules the challenge is to construct the right chiral environment.

  7. Lab-made ‘mirror bacteria’ could endanger all life on earth ...

    www.aol.com/lab-made-mirror-bacteria-could...

    This chirality or handedness of life molecules dictates their chemical reactivity, and how life interacts with other matter. Naturally occurring proteins are exclusively left-handed (Tadashi Ando ...

  8. Chiral media - Wikipedia

    en.wikipedia.org/wiki/Chiral_media

    Chirality can be defined in two or three dimensions. It can be an intrinsic property of an object, such as a molecule, crystal or metamaterial. It can also arise from the relative position and orientation of different components, such as the propagation direction of a beam of light relative to the structure of an achiral material.

  9. Racemic crystallography - Wikipedia

    en.wikipedia.org/wiki/Racemic_crystallography

    In molecular crystallography, these arrangements are called 'space groups'. However, only 65 of these arrangements are accessible to chiral objects or chiral molecules. The remaining 165 space groups contain either a center of symmetry or a mirror plane and are thus not accessible to natural globular proteins, which are chiral molecules.

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