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Showing 25 to 36 of 1157 entries
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Hydrophobic Organic Hole Transporters for Improved Moisture Resistance in Metal Halide Perovskite Solar Cells.

ACS applied materials & interfaces

Leijtens T, Giovenzana T, Habisreutinger SN, Tinkham JS, Noel NK, Kamino BA, Sadoughi G, Sellinger A, Snaith HJ.
PMID: 26859777
ACS Appl Mater Interfaces. 2016 Mar 09;8(9):5981-9. doi: 10.1021/acsami.5b10093. Epub 2016 Feb 23.

Solar cells based on organic-inorganic perovskite semiconductor materials have recently made rapid improvements in performance, with the best cells performing at over 20% efficiency. With such rapid progress, questions such as cost and solar cell stability are becoming increasingly...

A new species in the tree genus Polyceratocarpus (Annonaceae) from the Udzungwa Mountains of Tanzania.

PhytoKeys

Marshall AR, Couvreur TL, Summers AL, Deere NJ, Luke WR, Ndangalasi HJ, Sparrow S, Johnson DM.
PMID: 27489479
PhytoKeys. 2016 Jun 01;(63):63-76. doi: 10.3897/phytokeys.63.6262. eCollection 2016.

Polyceratocarpus askhambryan-iringae, an endemic tree species of Annonaceae from the Udzungwa Mountains of Tanzania, is described and illustrated. The new species is identified as a member of the genus Polyceratocarpus by the combination of staminate and bisexual flowers, axillary...

Differential expression of type II cytokeratin mRNA defines early developmental boundaries within the ectoderm, mesoderm and endoderm during chick development.

Roux's archives of developmental biology : the official organ of the EDBO

Henry JJ, Charlebois TS, Grainger RM.
PMID: 28306048
Rouxs Arch Dev Biol. 1993 Aug;202(6):355-363. doi: 10.1007/BF00188734.

Using in situ hybridization we show that a chick type II cytokeratin (CKsel) is differentially expressed within the developing ectoderm, mesoderm, and endoderm as early as the time of germ layer formation. CKsel expression demarcates specific regions that in...

Electron injection and scaffold effects in perovskite solar cells.

Journal of materials chemistry. C

Anaya M, Zhang W, Hames BC, Li Y, Fabregat-Santiago F, Calvo ME, Snaith HJ, Míguez H, Mora-Seró I.
PMID: 28496981
J Mater Chem C Mater. 2017 Jan 21;5(3):634-644. doi: 10.1039/c6tc04639h. Epub 2016 Dec 06.

In spite of the impressive efficiencies reported for perovskite solar cells (PSCs), key aspects of their working principles, such as electron injection at the contacts or the suitability of the utilization of a specific scaffold layer, are not yet...

Homogeneous Emission Line Broadening in the Organo Lead Halide Perovskite CH3NH3PbI3-xClx.

The journal of physical chemistry letters

Wehrenfennig C, Liu M, Snaith HJ, Johnston MB, Herz LM.
PMID: 26269971
J Phys Chem Lett. 2014 Apr 17;5(8):1300-6. doi: 10.1021/jz500434p. Epub 2014 Mar 27.

The organic-inorganic hybrid perovskites methylammonium lead iodide (CH3NH3PbI3) and the partially chlorine-substituted mixed halide CH3NH3PbI3-xClx emit strong and broad photoluminescence (PL) around their band gap energy of ∼1.6 eV. However, the nature of the radiative decay channels behind the...

High Photoluminescence Efficiency and Optically Pumped Lasing in Solution-Processed Mixed Halide Perovskite Semiconductors.

The journal of physical chemistry letters

Deschler F, Price M, Pathak S, Klintberg LE, Jarausch DD, Higler R, Hüttner S, Leijtens T, Stranks SD, Snaith HJ, Atatüre M, Phillips RT, Friend RH.
PMID: 26269988
J Phys Chem Lett. 2014 Apr 17;5(8):1421-6. doi: 10.1021/jz5005285. Epub 2014 Apr 02.

The study of the photophysical properties of organic-metallic lead halide perovskites, which demonstrate excellent photovoltaic performance in devices with electron- and hole-accepting layers, helps to understand their charge photogeneration and recombination mechanism and unravels their potential for other optoelectronic...

The Importance of Moisture in Hybrid Lead Halide Perovskite Thin Film Fabrication.

ACS nano

Eperon GE, Habisreutinger SN, Leijtens T, Bruijnaers BJ, van Franeker JJ, deQuilettes DW, Pathak S, Sutton RJ, Grancini G, Ginger DS, Janssen RA, Petrozza A, Snaith HJ.
PMID: 26247197
ACS Nano. 2015 Sep 22;9(9):9380-93. doi: 10.1021/acsnano.5b03626. Epub 2015 Aug 06.

Moisture, in the form of ambient humidity, has a significant impact on methylammonium lead halide perovskite films. In particular, due to the hygroscopic nature of the methylammonium component, moisture plays a significant role during film formation. This issue has...

Impaired enzymatic defensive activity, mitochondrial dysfunction and proteasome activation are involved in RTT cell oxidative damage.

Biochimica et biophysica acta

Cervellati C, Sticozzi C, Romani A, Belmonte G, De Rasmo D, Signorile A, Cervellati F, Milanese C, Mastroberardino PG, Pecorelli A, Savelli V, Forman HJ, Hayek J, Valacchi G.
PMID: 26189585
Biochim Biophys Acta. 2015 Oct;1852(10):2066-74. doi: 10.1016/j.bbadis.2015.07.014. Epub 2015 Jul 17.

A strong correlation between oxidative stress (OS) and Rett syndrome (RTT), a rare neurodevelopmental disorder affecting females in the 95% of the cases, has been well documented although the source of OS and the effect of a redox imbalance...

Stochastic entropy production arising from nonstationary thermal transport.

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

Ford IJ, Laker ZP, Charlesworth HJ.
PMID: 26565169
Phys Rev E Stat Nonlin Soft Matter Phys. 2015 Oct;92(4):042108. doi: 10.1103/PhysRevE.92.042108. Epub 2015 Oct 05.

We compute statistical properties of the stochastic entropy production associated with the nonstationary transport of heat through a system coupled to a time dependent nonisothermal heat bath. We study the one-dimensional stochastic evolution of a bound particle in such...

Leadership Training: A New Application of Crisis Resource Management and Distance Education in a Large Group Format at a Medical Simulation Facility.

The journal of education in perioperative medicine : JEPM

Murray WB, Henry J, Jackson L, Murray C, Lamoreaux RB.
PMID: 27175415
J Educ Perioper Med. 2002 May 01;4(2):E021. eCollection 2002.

INTRODUCTION: Leadership and teamwork skills must be practiced to gain full value from a leadership course. The leadership role is one of the main points highlighted during a Crisis Resource Management (CRM) session. While a typical CRM session offered...

Synthesis and Investigation of the V-shaped Tröger's Base Derivatives as Hole-transporting Materials.

Chemistry, an Asian journal

Braukyla T, Sakai N, Daskeviciene M, Jankauskas V, Kamarauskas E, Malinauskas T, Snaith HJ, Getautis V.
PMID: 27245871
Chem Asian J. 2016 Jul 20;11(14):2049-56. doi: 10.1002/asia.201600474. Epub 2016 Jun 27.

V-shaped Tröger's base core has been investigated as a central linking unit in the synthesis of new charge-transporting materials for optoelectronic applications. The studied molecules have been synthesized in two steps from relatively inexpensive starting materials, and demonstrate high...

Long Term Outcomes of a Curriculum on Care for the Underserved.

Journal of the National Medical Association

Cox ED, Koscik RL, Behrmann AT, Young HN, Moreno MA, McIntosh GC, Kokotailo PK.
PMID: 27282524
J Natl Med Assoc. 2015 Feb;107(1):17-25. doi: 10.1016/S0027-9684(15)30005-5. Epub 2015 Dec 02.

ACKNOWLEDGEMENTS: This work was funded by HRSA grants D16HP00067 and D08PE50097.BACKGROUND: Evaluations of curricula to enhance ability to care for the underserved are often limited to short-term medical student outcomes.PURPOSE: This study evaluates retention of short-term improvements in outcomes...

Showing 25 to 36 of 1157 entries