| 31. | Porphyrins are doughnut-shaped molecules that have a metal atom where the hole would be.
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| 32. | A later paper investigated using non-covalent bonding to attach the iron-containing porphyrin.
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| 33. | In porphyrin systems, the zinc ion appears to hinder the photodynamic activity of the compound.
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| 34. | Fecal porphyrin quantification by HemoQuant can be false positive due to exogenous blood and various porphyrins.
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| 35. | Fecal porphyrin quantification by HemoQuant can be false positive due to exogenous blood and various porphyrins.
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| 36. | Compounds with interesting TPA properties also include various porphyrin derivatives, conjugated polymers and even dendrimers.
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| 37. | Porphyrins are synthesized from glycine and succinyl CoA, which condense to give ?-aminolevulinate.
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| 38. | In plants, porphyrin and carotenoids constitute accessory pigments that help capture light in the photosystems.
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| 39. | Control of monomer assembly through covalent assembly has also been demonstrated using covalent interactions with porphyrins.
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| 40. | Chlorophyll has a porphyrin chlorin ring surrounding a magnesium ion and attached to a phytol tail.
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