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Optoacoustically augmented magnetic guidewire for radiation-free minimally invasive therapies. [PDF]

open access: yesSci Adv
Wang F   +11 more
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Quantitative determination of Zn protoporphyrin IX, heme and protoporphyrin IX in Parma ham by HPLC

Meat Science, 2009
We measured the contents of Zn protoporphyrin IX (ZPP), heme and protoporphyrin IX (PPIX) in Parma ham by simultaneous analysis using high-performance liquid chromatography (HPLC). Extraction with ethyl acetate-acetic acid (4:1) was suitable for the quantitative analysis of ZPP.
Takanori Nsihimura, Jun-Ichi Wakamatsu
exaly   +3 more sources

Color Formation in Nitrite‐Free Dried Hams as Related to Zn‐Protoporphyrin IX and Zn‐Chelatase Activity

Journal of Food Science, 2009
ABSTRACT:  The development of red pigment Zn‐protoporphyrin IX (ZPP) in nitrite‐free Parma hams was investigated in 5 leg muscles at several stages of processing and the activity of muscle Zn‐chelatase was concurrently assayed for its potential role in ZPP formation. A steady increase of the pigment was observed
Giovanni, Parolari   +2 more
openaire   +2 more sources

Structural and dynamic properties of Synechocystis sp. PCC 6803 Hb revealed by reconstitution with Zn-protoporphyrin IX

Journal of Inorganic Biochemistry, 2005
In its resting state, the truncated globin of the cyanobacterium Synechocystis sp. PCC 6803 exhibits hexacoordination of the heme iron, with His46 (E10) and His70 (F8, proximal) serving as axial ligands. Diatomic ligands displace the distal His46 (E10) from the ferric and ferrous iron and promote considerable structural changes in the B helix, E helix,
Juliette T J, Lecomte   +2 more
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Electron Transfer from Zn- Protoporphyrin IX to Ruthenium Ammine Attached at His63 of Reconstituted Cytochrome b562

Chemistry Letters, 1999
Abstract Site-specific modification of Cytochrome b562 with ruthenium ammine (RuA5) at 63-His was successfully carried out. Electron transfer rate from ZnPP in the heme crevice to Ru(III)A5 coordinated to 63-His on the protein surface was determined by the laser flash photolysis.
Itaru Hamachi   +5 more
openaire   +1 more source

In vivo uptake of a haem analogue Zn protoporphyrin IX by the human malaria parasite P. falciparum‐infected red blood cells

Cell Biology International, 2010
The cellular traffic of haem during the development of the human malaria parasite Plasmodium falciparum, through the stages R (ring), T (trophozoite) and S (schizonts), was investigated within RBC (red blood cells). When Plasmodium cultures were incubated with a fluorescent haem analogue, ZnPPIX (Zn protoporphyrin IX) the probe was seen at the ...
Sartorello, Robson   +12 more
openaire   +3 more sources

Application of TLC and HPLC to quantification of protoporphyrin IX, Zn-protoporphyrin IX, and hemin in Parma ham

2013
H. De Maere   +6 more
openaire   +1 more source

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