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Showing 1 to 12 of 16 entries
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Epilepsy in Pregnant Women.

Current treatment options in neurology

Bruno MK, Harden CL.
PMID: 11734102
Curr Treat Options Neurol. 2002 Jan;4(1):31-40. doi: 10.1007/s11940-002-0003-7.

For women of childbearing potential with epilepsy, seizures should be controlled with the smallest dosage of anti-epileptic drug (AED). Treatment with monotherapy should be achieved, if possible. The possibility of AED withdrawal should be considered in appropriate clinical setting...

Interaction between the intermediary electron acceptor (pheophytin) and a possible plastoquinone-iron complex in photosystem II reaction centers.

Proceedings of the National Academy of Sciences of the United States of America

Klimov VV, Dolan E, Shaw ER, Ke B.
PMID: 16592935
Proc Natl Acad Sci U S A. 1980 Dec;77(12):7227-31. doi: 10.1073/pnas.77.12.7227.

Photoreduction of the intermediary electron acceptor, pheophytin (Pheo), in photosystem II reaction centers of spinach chloroplasts or subchloroplast particles (TSF-II and TSF-IIa) at 220 K and redox potential E(h) = -450 mV produces an EPR doublet centered at g...

NAPHTHOQUINONE INTERMEDIATE IN THE RESPIRATION OF BACILLUS STEAROTHERMOPHILUS.

Journal of bacteriology

Downey RJ.
PMID: 16561974
J Bacteriol. 1962 Nov;84(5):953-60. doi: 10.1128/jb.84.5.953-960.1962.

Downey, R. J. (U.S. Department of Agriculture, Washington, D.C.). Naphthoquinone intermediate in the respiration of Bacillus stearothermophilus. J. Bacteriol. 84:953-960. 1962.-A vitamin K-like naphthoquinone has been isolated from Bacillus stearothermophilus. The compound was susceptible to light (360 mmu) and...

Culturable and Non-Culturable Blood Microbiota of Healthy Individuals.

Microorganisms

Panaiotov S, Hodzhev Y, Tsafarova B, Tolchkov V, Kalfin R.
PMID: 34361900
Microorganisms. 2021 Jul 08;9(7). doi: 10.3390/microorganisms9071464.

Next-generation sequencing (NGS) and metagenomics revolutionized our capacity for analysis and identification of the microbial communities in complex samples. The existence of a blood microbiome in healthy individuals has been confirmed by sequencing, but some researchers suspect that this...

Efficient exchange of the primary quinone acceptor Q(A) in isolated reaction centers of Rhodopseudomonas viridis.

Proceedings of the National Academy of Sciences of the United States of America

Breton J.
PMID: 11038584
Proc Natl Acad Sci U S A. 1997 Oct 14;94(21):11318-23. doi: 10.1073/pnas.94.21.11318.

A key step in the conversion of solar energy into chemical energy by photosynthetic reaction centers (RCs) occurs at the level of the two quinones, Q(A) and Q(B), where electron transfer couples to proton transfer. A great deal of...

Analysis and distribution of tocopherols and quinones in the pea plant.

Plant physiology

Gaunt JK, Stowe BB.
PMID: 16656582
Plant Physiol. 1967 Jun;42(6):851-8. doi: 10.1104/pp.42.6.851.

A procedure is described and evaluated for the analysis of ubiquinone, plastoquinone, tocopherols and vitamin K(1) in Pisum sativum L. Vitamin K(1) appears to be absent from the roots of this plant. While the pea seed contains only gamma-tocopherol,...

Canadian Paediatric Surveillance Program confirms low incidence of hemorrhagic disease of the newborn in Canada.

Paediatrics & child health

McMillan DD, Grenier D, Medaglia A.
PMID: 19655015
Paediatr Child Health. 2004 Apr;9(4):235-8. doi: 10.1093/pch/9.4.235.

OBJECTIVES: To determine the incidence of hemorrhagic disease of the newborn (HDNB) in Canada and its relationship to the administration of vitamin K(1) (hereafter referred to as vitamin K) following birth.METHODS: The Canadian Paediatric Surveillance Program sent monthly surveys...

Flow-injection fluorimetric determination of vitamin K(1) based on a photochemical reaction.

Talanta

Pérez-Ruiz T, Martínez-Lozano C, Tomás V, Martín J.
PMID: 18967693
Talanta. 1999 Aug 23;50(1):49-56. doi: 10.1016/s0039-9140(99)00104-6.

The sensitizing effect of vitamin K(1) on the photo-oxidation of glucose has been used for the determination of the vitamin. The hydrogen peroxide formed in the photochemical reaction reacts with Fe(II) to yield hydroxylradical and this radical is scavenged...

Warfarin: a review with emphasis on its use in the horse.

The Canadian veterinary journal = La revue veterinaire canadienne

Vrins A, Carlson G, Feldman B.
PMID: 17422277
Can Vet J. 1983 Jul;24(7):211-3.

Warfarin or dicoumarol prevents the production of functional clotting factors II, VII, IX and X. Navicular disease and thrombophlebitis are examples of equine thrombotic diseases in which warfarin has been used therapeutically. The initiation of anticoagulant therapy is relatively...

Adverse events associated with vitamin K1: results of a worldwide postmarketing surveillance programme.

Pharmacoepidemiology and drug safety

Pereira SP, Williams R.
PMID: 15073995
Pharmacoepidemiol Drug Saf. 1998 May;7(3):173-82. doi: 10.1002/(SICI)1099-1557(199805/06)7:3<173::AID-PDS343>3.0.CO;2-8.

We compared adverse events associated with a conventional vitamin K(1) preparation, Konakion, with a new mixed micellar formulation, Konakion MM. Data were obtained worldwide from spontaneous reports, clinical trials and postmarketing surveillance. During the period 1974 to July 1995,...

Determination of phylloquinone (vitamin K(1)) by high performance liquid chromatography with UV detection and with particle beam-mass spectrometry.

Analytical and bioanalytical chemistry

Careri M, Mangia A, Manini P, Taboni N.
PMID: 15045457
Anal Bioanal Chem. 1996 Apr;355(1):48-56. doi: 10.1007/s0021663550048.

A reversed-phase PB LC-MS method was used for the determination and unequivocal identification of vitamin K(1) in some vegetable samples. The method was also applied to the identification of other constituents in the food analyzed. LC-MS experiments were carried...

Comparative Studies on Plastoquinones: V. Changes in Lipophilic Chloroplast Quinones during Development.

Plant physiology

Barr R, Crane FL, Peak SM.
PMID: 16657279
Plant Physiol. 1970 Jan;45(1):53-5. doi: 10.1104/pp.45.1.53.

Changes of lipophilic chloroplast quinones in corn, oats, peas, and Vicia faba are reported after 0, 4, 8, 12, 16, 20, 24, 48, 72, or 96 hours of exposure to light. There is a pronounced increase in plastoquinone A...

Showing 1 to 12 of 16 entries