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Showing 1 to 12 of 4595 entries
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Photon tunneling into a single-mode planar silicon waveguide.

Optics express

Fang L, Kiang KS, Alderman NP, Danos L, Markvart T.
PMID: 26698800
Opt Express. 2015 Nov 30;23(24):A1528-32. doi: 10.1364/OE.23.0A1528.

We demonstrate the direct excitation of a single TE mode in 25 nm thick planar crystalline silicon waveguide by photon tunneling from a layer of fluorescent dye molecules deposited by the Langmuir-Blodgett technique. The observed photon tunneling rate as...

Direct observation of active material interactions in flowable electrodes using X-ray tomography.

Faraday discussions

Hatzell KB, Eller J, Morelly SL, Tang MH, Alvarez NJ, Gogotsi Y.
PMID: 28474019
Faraday Discuss. 2017 Jul 01;199:511-524. doi: 10.1039/c6fd00243a. Epub 2017 May 05.

Understanding electrical percolation and charging mechanisms in electrochemically active biphasic flowable electrodes is critical for enabling scalable deionization (desalination) and energy storage. Flowable electrodes are dynamic material systems which store charge (remove ions) and have the ability to flow....

The PIN domain endonuclease Utp24 cleaves pre-ribosomal RNA at two coupled sites in yeast and humans.

Nucleic acids research

Wells GR, Weichmann F, Colvin D, Sloan KE, Kudla G, Tollervey D, Watkins NJ, Schneider C.
PMID: 27034467
Nucleic Acids Res. 2016 Jun 20;44(11):5399-409. doi: 10.1093/nar/gkw213. Epub 2016 Mar 31.

During ribosomal RNA (rRNA) maturation, cleavages at defined sites separate the mature rRNAs from spacer regions, but the identities of several enzymes required for 18S rRNA release remain unknown. PilT N-terminus (PIN) domain proteins are frequently endonucleases and the...

Septins Focus Cellular Growth for Host Infection by Pathogenic Fungi.

Frontiers in cell and developmental biology

Momany M, Talbot NJ.
PMID: 28424773
Front Cell Dev Biol. 2017 Apr 05;5:33. doi: 10.3389/fcell.2017.00033. eCollection 2017.

One of the key challenges faced by microbial pathogens is invasion of host tissue. Fungal pathogens adopt a number of distinct strategies to overcome host cell defenses, including the development of specialized infection structures, the secretion of proteins that...

Hill classification is superior to the axial length of a hiatal hernia for assessment of the mechanical anti-reflux barrier at the gastroesophageal junction.

Endoscopy international open

Hansdotter I, Björ O, Andreasson A, Agreus L, Hellström P, Forsberg A, Talley NJ, Vieth M, Wallner B.
PMID: 27004249
Endosc Int Open. 2016 Mar;4(3):E311-7. doi: 10.1055/s-0042-101021. Epub 2016 Feb 10.

BACKGROUND AND STUDY AIMS: The pathogenesis of gastroesophageal reflux disease (GERD) is multifactorial, including the mechanical anti-reflux barrier of the gastroesophageal junction. This barrier can be evaluated endoscopically in two ways: by measuring the axial length of any hiatal...

The threat of antimalarial drug resistance.

Tropical diseases, travel medicine and vaccines

Hanboonkunupakarn B, White NJ.
PMID: 28883954
Trop Dis Travel Med Vaccines. 2016 Jul 07;2:10. doi: 10.1186/s40794-016-0027-8. eCollection 2016.

The battle between man and malaria has continued for thousands of years. Antimalarial drugs are essential weapons to fight the disease, but their efficacy is threatened by drug resistance which continues to emerge creating a major obstacle to malaria...

The role of necroptosis in atherosclerotic disease.

JACC. Basic to translational science

Leeper NJ.
PMID: 28480338
JACC Basic Transl Sci. 2016 Oct;1(6):548-550. doi: 10.1016/j.jacbts.2016.08.002.

It is now known that cells don't always die by apoptosis, but can also undergo a process known as programmed cell necrosis, or necroptosis. In a study recently published in

Effector Diversification Contributes to Xanthomonas oryzae pv. oryzae Phenotypic Adaptation in a Semi-Isolated Environment.

Scientific reports

Quibod IL, Perez-Quintero A, Booher NJ, Dossa GS, Grande G, Szurek B, Vera Cruz C, Bogdanove AJ, Oliva R.
PMID: 27667260
Sci Rep. 2016 Sep 26;6:34137. doi: 10.1038/srep34137.

Understanding the processes that shaped contemporary pathogen populations in agricultural landscapes is quite important to define appropriate management strategies and to support crop improvement efforts. Here, we took advantage of an historical record to examine the adaptation pathway of...

Far-field optical nanothermometry using individual sub-50 nm upconverting nanoparticles.

Nanoscale

Kilbane JD, Chan EM, Monachon C, Borys NJ, Levy ES, Pickel AD, Urban JJ, Schuck PJ, Dames C.
PMID: 27216164
Nanoscale. 2016 Jun 02;8(22):11611-6. doi: 10.1039/c6nr01479h.

We demonstrate far-field optical thermometry using individual NaYF4 nanoparticles doped with 2% Er(3+) and 20% Yb(3+). Isolated 20 × 20 × 40 nm(3) particles were identified using only far-field optical imaging, confirmed by subsequent scanning electron microscopy. The luminescence...

Optical pseudomotors for soft x-ray beamlines.

The Review of scientific instruments

Pedreira P, Sics I, Sorrentino A, Pereiro E, Aballe L, Foerster M, Pérez-Dieste V, Escudero C, Nicolas J.
PMID: 27250382
Rev Sci Instrum. 2016 May;87(5):052002. doi: 10.1063/1.4949339.

Optical elements of soft x-ray beamlines usually have motorized translations and rotations that allow for the fine alignment of the beamline. This is to steer the photon beam at some positions and to correct the focus on slits or...

Key bacterial families (Clostridiaceae, Erysipelotrichaceae and Bacteroidaceae) are related to the digestion of protein and energy in dogs.

PeerJ

Bermingham EN, Maclean P, Thomas DG, Cave NJ, Young W.
PMID: 28265505
PeerJ. 2017 Mar 02;5:e3019. doi: 10.7717/peerj.3019. eCollection 2017.

BACKGROUND: Much of the recent research in companion animal nutrition has focussed on understanding the role of diet on faecal microbiota composition. To date, diet-induced changes in faecal microbiota observed in humans and rodents have been extrapolated to pets...

Concurrent chemoradiation for high-risk prostate cancer.

World journal of clinical oncology

Cooper BT, Sanfilippo NJ.
PMID: 26266099
World J Clin Oncol. 2015 Aug 10;6(4):35-42. doi: 10.5306/wjco.v6.i4.35.

There are estimated to be 220800 cases of prostate cancer diagnosed in 2015, making up 26% of all cancer diagnoses. Fortunately, adenocarcinoma of the prostate is often a highly treatable malignancy. Even though the majority of prostate cancer patients...

Showing 1 to 12 of 4595 entries