porphyrin in English

noun
1
any of a class of pigments (including heme and chlorophyll) whose molecules contain a flat ring of four linked heterocyclic groups, sometimes with a central metal atom.
Changes in apoprotein and porphyrin fluorescence suggest two classes of bound porphyrins .

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Below are sample sentences containing the word "porphyrin" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "porphyrin", or refer to the context using the word "porphyrin" in the English Dictionary.

1. Rigid porphyrin nanorings of six porphyrin units were extensively characterised, providing important insight into electronic structure.

2. The present invention relates to a novel porphyrin derivative compound and a dye-sensitized solar cell including the same as a dye for the light-absorbing layer of a solar cell, and more specifically to a novel porphyrin derivative compound which has an electron donor-porphyrin-electron acceptor structure and is a novel zinc(II) porphyrin derivative, and a dye-sensitized solar cell including the same, wherein the novel porphyrin derivative compound has excellent photoelectric conversion efficiency and enables a photoelectric current to be generated in the visible light zone of a solar spectrum.

3. Radical initiation may occur after porfimer sodium absorbs light to form a porphyrin excited state

4. N-confused porphyrin possessing glucamine-Appendants: aggregation and acid/base properties in aqueous media

5. Cyclic Butadiyne-linked porphyrin (2.1.2.1) oligomers are synthesized from 5,16-diethynylporphyrin (2.1.2.1) by Glaser–Hay coupling

6. Furthermore no influence of the excretion of porphyrin precursors (porphobilinogen or delta-amino-levulinic acid) were noticed.

7. The synthesis, characterization and spectral properties of the new gelator, porphyrin with four quaternized Brucines on the periphery, were described

8. Fingerprint Dive into the research topics of 'N-confused porphyrin possessing glucamine-Appendants: Aggregation and acid/base properties in aqueous media'

9. Four patterns of porphyrin accumulation were observed by high-pressure liquid chromatography when chemicals were added to chick embryo liver cells.

10. Chlorophyll or leaf green is a porphyrin derivative with magnesium as the central atom and is hence a metal complex dye

11. The bis-Acridyl derivative provided, as expected, greater stabilization against thermal denaturation than the mono-Acridyl and the parent bis-arginyl-porphyrin compounds

12. At its molecular core, Chlorophyll has a porphyrin structure but contains a magnesium atom at its center and a long carbon side chain

13. Excitation of a triad artificial photosynthetic reaction center consisting of a porphyrin (P) convalently linked to a fullerene electron acceptor (C¿60?)

14. The basic structure of Chlorophyll is a porphyrin ring similar to that of heme in hemoglobin, although the central atom in Chlorophyll is magnesium instead of iron

15. To create artificial metalloenzymes formed by combining Abiological metals and natural metalloprotein scaffolds, we focused on haem proteins, which contain Fe-porphyrin IX (Fe-PIX) as a …

16. Fused polycyclic aromatic hydrocarbon s and fused heterocyclic aromatics may extend and broaden absorption, and modify the solubility, crystallinity, and film-forming properties of the porphyrin compounds.

17. Cytochrome oxidase definition is - an iron-porphyrin enzyme important in cellular respiration due to its ability to catalyze the oxidation of reduced Cytochrome c in the presence of oxygen.

18. When countering malaria, Artemisinin exploits the parasite’s taste for hemoglobin in its host’s blood. As the parasite digests hemoglobin, it frees the iron-porphyrin heme complex from the protein

19. A novel zinc porphyrin (5,10,15-tri-dodecoxyphenyl-20-(4-hydroxyphenyl-azo-Benzenyl)-porphyrinatozinc (tdhab-ZnP)) with Benzenyl-azo-phenolic group, able to adsorb on the nanocrystalline-TiO 2 film, has been synthesized

20. Comparison of the Conductance of Three Types of Porphyrin‐Based Molecular Wires: β,meso,β‐Fused Tapes, meso‐Butadiyne‐Linked and Twisted meso‐meso Linked Oligomers † Gita Sedghi Chemistry Department, University of Liverpool, Liverpool L69 7ZD, UK

21. Discovery of the porphyrin synthesis disorder and how it is affected by B6 exceedingly valuable for the clarification of the pathogenesis of sidero-achrestic anemias and also for the understanding of the maturation arrest due to the blood synthesis-disorder.

22. The shell of the dwarf-egg contains in all layers of the exospherite protoporphyrin granules, cognoscible by their typical red fluorescence. Especially the porphyrin is accumulated in the conglomerate layer, included in the calcite or embedded in the organic substance between the crystals.

23. Bilin: , biline ( bī'lin, -līn ), The chain of four pyrrole residues resulting from the cleavage of one bond of one of the four methylidene residues of the porphin part of a porphyrin; specifically, the unsubstituted tetrapyrrole; bilirubin and biliverdin are Bilins.

24. Butadiyne bridge.31 For 1Zn, the feasibility of conformational heterogeneity has been demonstrated by the formation of a supramolecular ladder aided by the binding of a bidentate ligand, 1,4-diazabicyclo[2.2.2]octane (DABCO) wherein (a) the possible rotation of porphyrin subunits around the Butadiyne bridge is

25. As nouns the difference between hemoglobin and Carboxyhemoglobin is that hemoglobin is the iron-containing substance in red blood cells that transports oxygen from the lungs to the rest of the body; it consists of a protein (globulin''), and ''haem (a porphyrin ring with an atom of iron at its centre) while Carboxyhemoglobin is (protein) the stable complex of carbon monoxide with hemoglobin

26. Cytochrome definition, any of several carrier molecules in the mitochondria of plant and animal cells, consisting of a protein and an iron-containing porphyrin ring and participating in the stepwise transfer of electrons in oxidation reactions: each Cytochrome alternately accepts and releases an electron at a slightly lower energy level in the order designated b, c1, c, a, and a3.