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Showing 13 to 24 of 35303 entries
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The role of humic acid aggregation on the kinetics of photosensitized singlet oxygen production and decay.

Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology

Carlos L, Pedersen BW, Ogilby PR, Mártire DO.
PMID: 21431180
Photochem Photobiol Sci. 2011 Jun;10(6):1080-6. doi: 10.1039/c1pp00003a. Epub 2011 Mar 23.

The effect of humic acid (HA) aggregate formation on the photosensitized generation and subsequent quenching of singlet molecular oxygen O(2)(a(1)Δ(g)) was investigated. Time-resolved O(2)(a(1)Δ(g)) phosphorescence traces were obtained from (a) bulk samples of HA dispersions and (b) microscope-based experiments...

Identification of adsorbed molecules via STM tip manipulation: CO, H₂O, and O₂ on TiO₂ anatase (101).

Physical chemistry chemical physics : PCCP

Setvin M, Daniel B, Aschauer U, Hou W, Li YF, Schmid M, Selloni A, Diebold U.
PMID: 25186563
Phys Chem Chem Phys. 2014 Oct 21;16(39):21524-30. doi: 10.1039/c4cp03212h. Epub 2014 Sep 04.

While Scanning Tunneling Microscopy (STM) has evolved as an ideal tool to study surface chemistry at the atomic scale, the identification of adsorbed species is often not straightforward. This paper describes a way to reliably identify H2O, CO and...

College student stressors: a review of the qualitative research.

Stress and health : journal of the International Society for the Investigation of Stress

Hurst CS, Baranik LE, Daniel F.
PMID: 23023893
Stress Health. 2013 Oct;29(4):275-85. doi: 10.1002/smi.2465. Epub 2012 Oct 01.

A total of 40 qualitative studies were reviewed and coded according to the college student stressors they represented. These studies utilized a variety of qualitative methods to examine stressors representing the following themes: relationships, lack of resources, academics, the...

Demonstration of high-order dispersion cancellation with an ultrahigh-efficiency sum-frequency correlator.

Physical review letters

Lukens JM, Dezfooliyan A, Langrock C, Fejer MM, Leaird DE, Weiner AM.
PMID: 24266473
Phys Rev Lett. 2013 Nov 08;111(19):193603. doi: 10.1103/PhysRevLett.111.193603. Epub 2013 Nov 07.

We demonstrate dispersion cancellation of entangled photons for arbitrary spectral orders, generalizing Franson cancellation typically considered in second order alone. Employing ultrafast coincidence detection based on sum-frequency generation in a periodically poled lithium niobate waveguide with a record-high pair...

γ-Glutamyl hydrolase modulation significantly influences global and gene-specific DNA methylation and gene expression in human colon and breast cancer cells.

Genes & nutrition

Kim SE, Hinoue T, Kim MS, Sohn KJ, Cho RC, Cole PD, Weisenberger DJ, Laird PW, Kim YI.
PMID: 25502219
Genes Nutr. 2015 Jan;10(1):444. doi: 10.1007/s12263-014-0444-0. Epub 2014 Dec 13.

γ-Glutamyl hydrolase (GGH) plays an important role in folate homeostasis by catalyzing hydrolysis of polyglutamylated folate into monoglutamates. Polyglutamylated folates are better substrates for several enzymes involved in the generation of S-adenosylmethionine, the primary methyl group donor, and hence,...

Use of Equine Derived Pericardium as a Biological Cover To Promote Closure of a Complicated Wound With Associated Scleroderma and Raynaud's Disease .

Wounds : a compendium of clinical research and practice

Mulder G, Lee DK.
PMID: 25902774
Wounds. 2009 Nov;21(11):297-301.

A 39-year-old man with previously undiagnosed scleroderma was admitted to the UCSD Medical Center with bilateral, limb-threatening necrotic lower extremity ulcers extending to underlying fascia and muscle. Rather than amputate the extremities, the patient requested alternative treatment and underwent...

A Pilot Study Characterizing Real Time Exposures to Particulate Matter and Carbon Monoxide from Cookstove Related Woodsmoke in Rural Peru.

Atmospheric environment (Oxford, England : 1994)

Commodore AA, Hartinger SM, Lanata CF, Mäusezahl D, Gil AI, Hall DB, Aguilar-Villalobos M, Naeher LP.
PMID: 24288452
Atmos Environ (1994). 2013 Nov;79. doi: 10.1016/j.atmosenv.2013.06.047.

Nearly half of the world's population is exposed to household air pollution (HAP) due to long hours spent in close proximity to unvented cooking fires. We aimed to use PM

Modeling excluded volume effects for the faithful description of the background signal in double electron-electron resonance.

The journal of physical chemistry. B

Kattnig DR, Reichenwallner J, Hinderberger D.
PMID: 24245922
J Phys Chem B. 2013 Dec 27;117(51):16542-57. doi: 10.1021/jp408338q. Epub 2013 Dec 11.

We discuss excluded volume effects on the background signal of double electron-electron resonance (DEER) experiments. Assuming spherically symmetric pervaded volumes, an analytical expression of the background signal is derived based on the shell-factorization approach. The effects of crowding and...

How reliable is internet-based self-reported identity, socio-demographic and obesity measures in European adults?.

Genes & nutrition

Celis-Morales C, Livingstone KM, Woolhead C, Forster H, O'Donovan CB, Macready AL, Fallaize R, Marsaux CFM, Tsirigoti L, Efstathopoulou E, Moschonis G, Navas-Carretero S, San-Cristobal R, Kolossa S, Klein UL, Hallmann J, Godlewska M, Surwiłło A, Drevon CA, Bouwman J, Grimaldi K, Parnell LD, Manios Y, Traczyk I, Gibney ER, Brennan L, Walsh MC, Lovegrove JA, Martinez JA, Daniel H, Saris WHM, Gibney M, Mathers JC.
PMID: 26143178
Genes Nutr. 2015 Sep;10(5):28. doi: 10.1007/s12263-015-0476-0. Epub 2015 Jul 05.

UNLABELLED: In e-health intervention studies, there are concerns about the reliability of internet-based, self-reported (SR) data and about the potential for identity fraud. This study introduced and tested a novel procedure for assessing the validity of internet-based, SR identity...

Report from the 2012 International Workshop on HIV & Hepatitis Virus Drug Resistance and Curative Strategies.

Journal watch. AIDS clinical care

Kuritzkes DR.
PMID: 26204597
J Watch AIDS Clin Care. 2012 Aug;24(8):63-5.

No abstract available.

Multirhythmicity in an optoelectronic oscillator with large delay.

Physical review. E, Statistical, nonlinear, and soft matter physics

Weicker L, Erneux T, Rosin DP, Gauthier DJ.
PMID: 25679685
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Jan;91(1):012910. doi: 10.1103/PhysRevE.91.012910. Epub 2015 Jan 13.

An optoelectronic oscillator exhibiting a large delay in its feedback loop is studied both experimentally and theoretically. We show that multiple square-wave oscillations may coexist for the same values of the parameters (multirhythmicity). Depending on the sign of the...

Use of Multiple Sequencing Technologies To Produce a High-Quality Genome of the Fungus Pseudogymnoascus destructans, the Causative Agent of Bat White-Nose Syndrome.

Genome announcements

Drees KP, Palmer JM, Sebra R, Lorch JM, Chen C, Wu CC, Bok JW, Keller NP, Blehert DS, Cuomo CA, Lindner DL, Foster JT.
PMID: 27365344
Genome Announc. 2016 Jun 30;4(3). doi: 10.1128/genomeA.00445-16.

White-nose syndrome has recently emerged as one of the most devastating wildlife diseases recorded, causing widespread mortality in numerous bat species throughout eastern North America. Here, we present an improved reference genome of the fungal pathogen Pseudogymnoascus destructans for...

Showing 13 to 24 of 35303 entries