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Showing 25 to 36 of 802 entries
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In vitro and in vivo developmental capacity of oocytes from prepubertal and adult sheep.

Theriogenology

O'Brien JK, Catt SL, Ireland KA, Maxwell WM, Evans G.
PMID: 16728089
Theriogenology. 1997 May;47(7):1433-43. doi: 10.1016/s0093-691x(97)00134-9.

Development to the blastocyst stage and survival following embryo transfer were assessed for oocytes obtained from prepubertal and adult sheep matured and fertilized in vitro. The rates of maturation, fertilization and cleavage in vitro did not differ significantly between...

Characterization of delta-Aminolevulinic Acid Formation in Soybean Root Nodules.

Plant physiology

Sangwan I, O'brian MR.
PMID: 16668729
Plant Physiol. 1992 Mar;98(3):1074-9. doi: 10.1104/pp.98.3.1074.

Formation of the heme precursor delta-aminolevulinic acid (ALA) was studied in soybean root nodules elicited by Bradyrhizobium japonicum. Glutamate-dependent ALA formation activity by soybean (Glycine max) in nodules was maximal at pH 6.5 to 7.0 and at 55 to...

Improved yields of vitamin B(1).

The Biochemical journal

Kinnersley HW, O'brien JR, Peters RA.
PMID: 16745716
Biochem J. 1935 Mar;29(3):716-7. doi: 10.1042/bj0290716.

No abstract available.

Further observations on platelet aggregation induced by adenosine diphosphate thrombin and tri-ethyl tin.

Journal of clinical pathology

O'brien JR.
PMID: 16811008
J Clin Pathol. 1963 May;16(3):223-6. doi: 10.1136/jcp.16.3.223.

Aggregation induced by adenosine diphosphate is inhibited by adenosine as well as by adenosine mono- and triphosphate. Thrombin-induced aggregation is also inhibited by adenosine and the monophosphate, but the triphosphate at a similar concentration is not inhibitory. Aggregation induced...

Colorimetric sensing of anions in aqueous solution using a charge neutral, cleft-like, amidothiourea receptor: tilting the balance between hydrogen bonding and deprotonation in anion recognition.

Organic & biomolecular chemistry

Duke RM, O'Brien JE, McCabe T, Gunnlaugsson T.
PMID: 18972035
Org Biomol Chem. 2008 Nov 21;6(22):4089-92. doi: 10.1039/b807579d. Epub 2008 Oct 03.

The design, synthesis and physical evaluation of 1, a visible colorimetric 'naked eye' pyridyl based bis-amidothiourea sensor for anions, is described. This charge neutral sensor gives rise to significant changes in the absorption spectra upon interactions with several important...

Effects of reinforcing increases in active behavior versus decreases in sedentary behavior for obese children.

International journal of behavioral medicine

Epstein LH, Saelens BE, O'Brien JG.
PMID: 16250788
Int J Behav Med. 1995;2(1):41-50. doi: 10.1207/s15327558ijbm0201_4.

This experiment tested the effects of reinforcing obese children lo be more active or less sedentary in their choice of active versus sedentary behaviors. On days I and 5, there were no contingencies for sedentary or active behaviors. During...

Measuring a photonic qubit without destroying it.

Physical review letters

Pryde GJ, O'Brien JL, White AG, Bartlett SD, Ralph TC.
PMID: 15169391
Phys Rev Lett. 2004 May 14;92(19):190402. doi: 10.1103/PhysRevLett.92.190402. Epub 2004 May 12.

Measuring the polarization of a single photon typically results in its destruction. We propose, demonstrate, and completely characterize a quantum nondemolition (QND) scheme for realizing such a measurement nondestructively. This scheme uses only linear optics and photodetection of ancillary...

The training of health workers moves across international boundaries.

Canadian journal of public health = Revue canadienne de sante publique

O'BRIEN HR.
PMID: 14801742
Can J Public Health. 1951 Jan;42(1):18-22.

No abstract available.

Effect on pKa of metal-bound water molecules in lanthanide ion-induced cyclen "cavities".

Organic letters

Gunnlaugsson T, Brougham DF, Fanning AM, Nieuwenhuyzen M, O'Brien JE, Viguier R.
PMID: 15606071
Org Lett. 2004 Dec 23;6(26):4805-8. doi: 10.1021/ol048628s.

[reaction: see text] The macrocyclic cyclen conjugates 1-4 were synthesized with the aim of forming lanthanide ion-based macrocyclic conjugates possessing deep cavities, formed upon complexation to various lanthanide ions. These complexes all possess metal-bound water molecules, where the pKa...

The transformation of spinal curvature into spinal deformity: pathological processes and implications for treatment.

Scoliosis

Hawes MC, O'brien JP.
PMID: 16759413
Scoliosis. 2006 Mar 31;1(1):3. doi: 10.1186/1748-7161-1-3.

BACKGROUND: This review summarizes what is known about the pathological processes (e.g. structural and functional changes), by which spinal curvatures develop and evolve into spinal deformities.METHODS: Comprehensive review of articles (English language only) published on 'scoliosis,' whose content yielded...

Lymphocyte subsets in hemophilic patients with hepatitis C virus infection with or without human immunodeficiency virus co-infection: a nested cross-sectional study.

BMC blood disorders

Zhang M, O'brien TR, Kopp WC, Goedert JJ.
PMID: 15656905
BMC Blood Disord. 2005 Jan 18;5(1):2. doi: 10.1186/1471-2326-5-2.

BACKGROUND: With chronic infection, hepatitis C virus (HCV) RNA can be detected in B cells and associated with B-cell disorders, but these are not well defined. METHODS: The relationship between HCV infection and lymphocyte subpopulations was evaluated rigorously in...

A PUBLIC HEALTH EXHIBITION IN SIAM.

American journal of public health (New York, N.Y. : 1912)

O'Brien HR.
PMID: 18011287
Am J Public Health (N Y). 1924 Aug;14(8):659-61. doi: 10.2105/ajph.14.8.659.

No abstract available.

Showing 25 to 36 of 802 entries