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Crystallization and preliminary X-ray analysis of the antimalarial and cytotoxic alkaloid cryptolepine complexed with

J N Lisgarten1, J Pous, M Coll

  • 1Institut de Biologia Molecular de Barcelona, CSIC, Jordi Girona 18, E-08034 Barcelona, Spain.

Acta Crystallographica. Section D, Biological Crystallography
|January 25, 2002
PubMed

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X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal crystal...