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Showing 13 to 24 of 342 entries
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Assembly of hybrid organic-organometallic materials through mechanochemical acid-base reactions.

Chemistry (Weinheim an der Bergstrasse, Germany)

Braga D, Maini L, Polito M, Mirolo L, Grepioni F.
PMID: 14502622
Chemistry. 2003 Sep 22;9(18):4362-70. doi: 10.1002/chem.200305017.

Manual grinding of the organometallic complex [Fe(eta(5)-C(5)H(4)COOH)(2)] with a number of solid bases, namely 1,4-diazabicyclo[2.2.2]octane, C(6)H(12)N(2), 1,4-phenylenediamine, p-(NH(2))(2)C(6)H(4), piperazine, HN(C(2)H(4))(2)NH, trans-1,4-cyclohexanediamine, p-(NH(2))(2)C(6)H(10), and guanidinium carbonate [(NH(2))(3)C](2)[CO(3)], generates quantitatively the corresponding adducts, [HC(6)H(12)N(2)][Fe(eta(5)-C(5)H(4)COOH)(eta(5)-C(5)H(4)COO)] (1), [HC(6)H(8)N(2)][Fe(eta(5)-C(5)H(4)COOH)(eta(5)-C(5)H(4)COO)] (2), [H(2)C(4)H(10)N(2)][Fe(eta(5)-C(5)H(4)COO)(2)] (3), [H(2)C(6)H(14)N(2)][Fe(eta(5)-C(5)H(4)COO)(2)].2 H(2)O,...

M(F)-dependent lifetimes due to hyperfine induced interference effects.

Physical review letters

Yao K, Andersson M, Brage T, Hutton R, Jönsson P, Zou Y.
PMID: 17155538
Phys Rev Lett. 2006 Nov 03;97(18):183001. doi: 10.1103/PhysRevLett.97.183001. Epub 2006 Nov 03.

We report on the first theoretical investigation of M(F)-dependent lifetimes due to interference between a magnetic octupole transition and a hyperfine induced electric quadrupole transition. Extensive multiconfiguration Dirac-Fock calculations are used to model the hyperfine quenching of the magnetic...

Desymmetrization of a meso-diol complex derived from [Cr(CO)3(eta6-5,8-naphthoquinone)]: use of new diamine acylation catalysts.

Chemical communications (Cambridge, England)

Kündig EP, Lomberget T, Bragg R, Poulard C, Bernardinelli G.
PMID: 15216374
Chem Commun (Camb). 2004 Jul 07;(13):1548-9. doi: 10.1039/b404006f. Epub 2004 May 21.

[Cr(CO)3(naphthoquinone)](1), prepared in a three-step sequence starting from 1,4-dihydroxynaphthalene, was reduced to the corresponding meso-dihydronaphthalene syn-diol complex and the latter was desymmetrized to give the mono-acyl complex with 99% ee via asymmetric acylation catalyzed by the two new and...

Legalization of nursing assistants and midwives.

Revista de ginecologia e d'obstetricia

BRAGA E.
PMID: 20983504
Rev Ginecol Obstet (Sao Paulo). 1946 Apr;40:233-41.

No abstract available.

Choices on contraceptive methods in post-abortion family planning clinic in the northeast Brazil.

Reproductive health

Ferreira AL, Souza AI, Lima RA, Braga C.
PMID: 20459754
Reprod Health. 2010 May 10;7:5. doi: 10.1186/1742-4755-7-5.

BACKGROUND: In Brazil, a Ministry of Health report revealed women who underwent an abortion were predominantly in the use of contraceptive methods, but mentioned inconsistent or erroneously contraceptive use. Promoting the use of contraceptive methods to prevent unwanted pregnancies...

Crystal to crystal transformations and polymorphism in anionic hydrogen bonding networks stabilized by crown ether metal complexes.

Dalton transactions (Cambridge, England : 2003)

Braga D, D'Agostino S, Grepioni F, Gandolfi M, Rubini K.
PMID: 21344110
Dalton Trans. 2011 May 14;40(18):4765-77. doi: 10.1039/c0dt01081b. Epub 2011 Feb 23.

15-crown[5] or 18-crown[6] complexes of alkali, transition metal and ammonium cations together with polyprotic inorganic and organic anions have been used to construct crystalline molecular salts based on hydrogen bonded anionic networks. This new class of organic-inorganic complexes displays...

ADDRESS OF THE PRESIDENT OF THE ROYAL SOCIETY.

Science (New York, N.Y.)

Bragg W.
PMID: 17831788
Science. 1938 Dec 23;88(2295):579-83. doi: 10.1126/science.88.2295.579.

No abstract available.

AWARD OF THE MEDALS OF THE ROYAL SOCIETY.

Science (New York, N.Y.)

Bragg W.
PMID: 17835436
Science. 1937 Dec 24;86(2243):576-8. doi: 10.1126/science.86.2243.576.

No abstract available.

Strategies to support self-management in osteoarthritis: five categories of interventions, including education.

Orthopedic nursing

Brady T.
PMID: 22446807
Orthop Nurs. 2012 Mar-Apr;31(2):124-30. doi: 10.1097/NOR.0b013e31824fcf47.

OVERVIEW: This overview of successful strategies for supporting self-management in patients with osteoarthritis (OA) defines the concepts of self-management, self-management support (SMS), and self-management education (SME); describes five categories of SMS interventions; identifies common elements across SMS categories; and...

Sex-specific timing of meiotic initiation is regulated by Cyp26b1 independent of retinoic acid signalling.

Nature communications

Kumar S, Chatzi C, Brade T, Cunningham TJ, Zhao X, Duester G.
PMID: 21224842
Nat Commun. 2011 Jan 11;2:151. doi: 10.1038/ncomms1136.

Sex-specific initiation of meiosis in the fetal ovary has been suggested to require retinoic acid (RA) for induction of Stra8, with expression of the RA-degrading enzyme Cyp26b1 in fetal testis delaying meiosis until postnatal development. In this study, we...

Participant-Centric Initiatives: Tools to Facilitate Engagement In Research.

Applied & translational genomics

Anderson N, Bragg C, Hartzler A, Edwards K.
PMID: 24772384
Appl Transl Genom. 2012 Dec 01;1:25-29. doi: 10.1016/j.atg.2012.07.001.

Clinical genomic research faces increasing challenges in establishing participant privacy and consent processes that facilitate meaningful choice and communication capacity for longitudinal and secondary research uses. There are an evolving range of participant-centric initiatives that combine web-based informatics tools...

Minilaparoscopic sacrocolpopexy for vaginal prolapse after hysterectomy.

Surgical technology international

Ferreira H, Ferreira C, Braga A, Pereira AT, Guimaraes S.
PMID: 25433151
Surg Technol Int. 2014 Nov;25:157-61.

Genital prolapse repair is one of the most common indications for benign gynecologic surgery. The lifetime risk of undergoing a single operation for prolapse in the female population is rising. Many different surgical techniques have been described. We report...

Showing 13 to 24 of 342 entries