Zobrazeno 1 - 10
of 358
pro vyhledávání: '"G. Peer"'
Publikováno v:
Case Reports in Obstetrics and Gynecology, Vol 2018 (2018)
We report a live birth from a heavily fragmented embryo which continued cleavage to a fully expanded blastocyst. A 32-year-old patient underwent 2 IVF cycles without achieving pregnancy. In the first cycle, 2 embryos with fragmentation were transferr
Externí odkaz:
https://doaj.org/article/55419e16583447eea95aecf41cc703c9
Autor:
Mara Koifman, Zofnat Wiener-Megnazi, G Peer, M. Dirnfeld, S. Lahav-Baratz, David Ishai, I Blais
Publikováno v:
Case Reports in Obstetrics and Gynecology
Case Reports in Obstetrics and Gynecology, Vol 2018 (2018)
Case Reports in Obstetrics and Gynecology, Vol 2018 (2018)
We report a live birth from a heavily fragmented embryo which continued cleavage to a fully expanded blastocyst. A 32-year-old patient underwent 2 IVF cycles without achieving pregnancy. In the first cycle, 2 embryos with fragmentation were transferr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d81daacf39b2cf510fcc9811e432acac
https://doi.org/10.1155/2018/2152918
https://doi.org/10.1155/2018/2152918
Akademický článek
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Autor:
Henry G. Goh, Muryam A. A. Gourdet, Julia I. Smith, Kimberly D. Tanner, Ashley E. Nickell, Christina M. Hough, Adrian G. Peer, John D. Coley, Paul H. Nagami, Valerie M. Alto, Elijah D. Combs
Publikováno v:
CBE Life Sciences Education
The authors present the development of a novel assessment tool, the Biology Card Sorting Task, designed to probe how individuals organize their conceptual knowledge of biology. Results suggest that the task is robust in distinguishing populations of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4dec024c2d9c99f4a1f4c6040dff0152
http://europepmc.org/articles/PMC3846514
http://europepmc.org/articles/PMC3846514
Autor:
H. G. Peer
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 78:851-863
A kinetic study of the first step in the reaction of phenol and formaldehyde, the formation of ortho- and para-hydroxymethylphenol, is described. It is found that when using NaOH or KOH as a catalyst under weakly alkaline conditions (pH = 8.5-10.5) a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaafe2d9de1b09a83446b4f121e9584b
https://doi.org/10.1002/recl.19590781102
https://doi.org/10.1002/recl.19590781102
Autor:
H. G. Peer, A. Schors
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 86:597-600
The reaction between propadiene and formaldehyde in aqueous sulfuric acid solution was investigated. When an excess of formaldehyde is present, it reacts with propadiene in a molecular ratio of 8: 1, yielding the 2,4,10,12,15-pentaoxadispiro[5.1.5.3]
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e67ebbdb8552dc9829a03f47c0ec156a
https://doi.org/10.1002/recl.19670860604
https://doi.org/10.1002/recl.19670860604
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 87:1011-1016
4-Hydroxy-5-methyl-2,3-dihydrofuran-3-one was prepared from aldopentoses and secondary amine salts. A proposed mechanism for the reaction could be verified experimentally and led to reaction conditions giving an optimum yield.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7663bedebfe4636cdb0803369bef598a
https://doi.org/10.1002/recl.19680870905
https://doi.org/10.1002/recl.19680870905
Autor:
A. Schors, H. G. Peer
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 86:167-170
In contrast to the addition of nitrosyl chloride to olefins, yielding chloronitroso addition products, the reaction of propadiene and nitrosyl chloride leads to the formation of 1,3-dichloroacetone. The reaction sequence involved is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a365069477f7dee8643dfc2232e9dec3
https://doi.org/10.1002/recl.19670860207
https://doi.org/10.1002/recl.19670860207
Autor:
H. G. Peer
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 78:631-643
A comprehensive survey is given of the possibilities created for the analysis of phenol formaldehyde (PF) condensates by the development of paper chromatography, in particular through the application of benzeneacetic acid-water as an eluent. A method
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb2bf3d479418802d3cdc10bb032d0fa
https://doi.org/10.1002/recl.19590780811
https://doi.org/10.1002/recl.19590780811
Autor:
H. G. Peer, G. A. M. van den Ouweland
Publikováno v:
Recueil des Travaux Chimiques des Pays-Bas. 87:1017-1020
4-Hydroxy-5-methyl-2,3-dihydrofuran-3-one (I) is prepared in reasonable yield by β-elimination of phosphoric acid from D-ribose 5-phosphate. The reaction mechanism is discussed and supported by tracer experiments.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb2713258e3cf0cdb7daf61fc48236cd
https://doi.org/10.1002/recl.19680870906
https://doi.org/10.1002/recl.19680870906