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Showing 13 to 24 of 404 entries
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GM1 ganglioside administration protects spinal neurons after glutamate excitotoxicity.

Restorative neurology and neuroscience

Vorwerk CK, Bonheur J, Kreutz MR, Dreyer EB, Laev H.
PMID: 12671270
Restor Neurol Neurosci. 1999;14(1):47-51.

Injury of the nervous system initiates a cascade of signal transduction including a rise in extracellular glutamate which leads to subsequent secondary neuronal loss. Excitotoxicity is known to play a crucial role in cell death spinal cord trauma. Gangliosides,...

Photosynthetic responses of loblolly pine (Pinus taeda) needles to experimental reduction in sink demand.

Tree physiology

Myers DA, Thomas RB, DeLucia EH.
PMID: 12651566
Tree Physiol. 1999 Apr;19(4):235-242. doi: 10.1093/treephys/19.4-5.235.

Sink strength in loblolly pine (Pinus taeda L.) was experimentally manipulated on two sun-exposed branches on each of two neighboring trees by excising the emerging terminal cohort (second flush of 1996) during a period of rapid needle expansion. In...

Tuning the photophysical behavior of luminescent cyclam derivatives by cation binding and excited state redox potential.

The journal of physical chemistry. A

Moore EG, Bernhardt PV, Fürstenberg A, Riley MJ, Smith TA, Vauthey E.
PMID: 16833694
J Phys Chem A. 2005 May 05;109(17):3788-96. doi: 10.1021/jp044221t.

The emission from two photoactive 14-membered macrocyclic ligands, 6-((naphthalen-1-ylmethyl)-amino)-trans-6,13-dimethyl-13-amino-1,4,8,11-tetraaza-cyclotetradecane (L1) and 6-((anthracen-9-ylmethyl)-amino)-trans-6,13-dimethyl-13-amino-1,4,8,11-tetraaza-cyclotetradecane (L2) is strongly quenched by a photoinduced electron transfer (PET) mechanism involving amine lone pairs as electron donors. Time-correlated single photon counting (TCSPC), multiplex transient grating (TG),...

High-resolution Fourier-transform infrared spectroscopy of the Coriolis coupled ground state and ν7 mode of ketenimine.

The Journal of chemical physics

Bane MK, Robertson EG, Thompson CD, Medcraft C, Appadoo DR, McNaughton D.
PMID: 21702555
J Chem Phys. 2011 Jun 21;134(23):234306. doi: 10.1063/1.3597775.

High resolution FTIR spectra of the short lived species ketenimine have been recorded in the regions 390-1300 cm(-1) and 20-110 cm(-1) using synchrotron radiation. Two thousand six hundred sixty transitions of the ν(7) band centered at 693 cm(-1) and...

Getting one's Fak straight.

Developmental cell

Evan G.
PMID: 20708578
Dev Cell. 2010 Aug 17;19(2):185-6. doi: 10.1016/j.devcel.2010.07.023.

Focal adhesion kinase (FAK) is a pivotal regulator of integrin signaling and responses to cell adhesive dynamics. In this issue of Developmental Cell, Ashton et al. demonstrate that Fak is critical for intestinal oncogenesis and regeneration after injury but...

Awareness of menstrual abnormality amongst college students in urban area of ile-ife, osun state, Nigeria.

Indian journal of community medicine : official publication of Indian Association of Preventive & Social Medicine

Esimai O, Esan GO.
PMID: 20606922
Indian J Community Med. 2010 Jan;35(1):63-6. doi: 10.4103/0970-0218.62559.

BACKGROUND: Disturbances of menstrual bleeding are major social and medical problem for women and account for high percentage of gynecological visit.OBJECTIVES: The objective of the study was to document menstrual abnormalities experienced by female college students, their awareness and...

The role of aerosols in the evolution of tropical North Atlantic Ocean temperature anomalies.

Science (New York, N.Y.)

Evan AT, Vimont DJ, Heidinger AK, Kossin JP, Bennartz R.
PMID: 19325076
Science. 2009 May 08;324(5928):778-81. doi: 10.1126/science.1167404. Epub 2009 Mar 26.

Observations and models show that northern tropical Atlantic surface temperatures are sensitive to regional changes in stratospheric volcanic and tropospheric mineral aerosols. However, it is unknown whether the temporal variability of these aerosols is a key factor in the...

Strong crystal size effect on deformation twinning.

Nature

Yu Q, Shan ZW, Li J, Huang X, Xiao L, Sun J, Ma E.
PMID: 20090749
Nature. 2010 Jan 21;463(7279):335-8. doi: 10.1038/nature08692.

Deformation twinning in crystals is a highly coherent inelastic shearing process that controls the mechanical behaviour of many materials, but its origin and spatio-temporal features are shrouded in mystery. Using micro-compression and in situ nano-compression experiments, here we find...

Overview of high-resolution infrared measurement and analysis for atmospheric monitoring of halocarbons.

Analytical chemistry

McNaughton D, Robertson EG, Thompson CD, Chimdi T, Bane MK, Appadoo D.
PMID: 20722396
Anal Chem. 2010 Oct 01;82(19):7958-64. doi: 10.1021/ac101425d.

The current state of the art in recording and analyzing rotationally resolved vibration-rotation bands of atmospheric pollutant halocarbon species is reviewed. It is shown that in order to obtain molecular constants of sufficient accuracy to simulate the vibration-rotation structure...

The role of N-methyl-d-aspartate-type glutamatergic neurotransmission in the photic induction of immediate-early gene expression in the suprachiasmatic nuclei of the Syrian hamster.

Journal of neuroendocrinology

Ebling FJ, Maywood ES, Staley K, Humby T, Hancock DC, Waters CM, Evant GI, Hastings MH.
PMID: 19215534
J Neuroendocrinol. 1991 Dec 01;3(6):641-52. doi: 10.1111/j.1365-2826.1991.tb00329.x.

Abstract This study investigated the role of N-methyl-D-aspartate (NMDA)-type glutamatergic neurotransmission in mediating the photic induction of immediate-early gene expression in the Suprachiasmatic nucleus (SCN) of the Syrian hamster. Activation of c-fos, c-jun and egr-1 was assessed by immunocytochemical...

Analysis of 5-hydroxyisoflavones by surface-enhanced Raman spectroscopy: genistein and methoxy derivatives.

The journal of physical chemistry. B

Sekine R, Vongsvivut J, Robertson EG, Spiccia L, McNaughton D.
PMID: 22010824
J Phys Chem B. 2011 Dec 01;115(47):13943-54. doi: 10.1021/jp207730g. Epub 2011 Nov 07.

A series of 5-hydroxy-isoflavones-genistein, biochanin A, prunetin, and 4',7-dimethoxygenistein-have been studied by surface-enhanced Raman spectroscopy (SERS). Citrate reduced silver colloids were employed as a standard technique to measure SER spectra over a range of pH and concentrations. Density functional...

Randomized Clinical Trial of the Effectiveness of a Home-Based Advanced Practice Psychiatric Nurse Intervention: Outcomes for Individuals with Serious Mental Illness and HIV.

Nursing research and practice

Hanrahan NP, Wu E, Kelly D, Aiken LH, Blank MB.
PMID: 21935499
Nurs Res Pract. 2011;2011:840248. doi: 10.1155/2011/840248. Epub 2011 May 17.

Individuals with serious mental illness have greater risk for contracting HIV, multiple morbidities, and die 25 years younger than the general population. This high need and high cost subgroup face unique barriers to accessing required health care in the...

Showing 13 to 24 of 404 entries