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Showing 25 to 36 of 1226 entries
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Dibenzothiopheno[6,5-b:6',5'-f]thieno[3,2-b]thiophene (DBTTT): high-performance small-molecule organic semiconductor for field-effect transistors.

Journal of the American Chemical Society

Park JI, Chung JW, Kim JY, Lee J, Jung JY, Koo B, Lee BL, Lee SW, Jin YW, Lee SY.
PMID: 25826228
J Am Chem Soc. 2015 Sep 30;137(38):12175-8. doi: 10.1021/jacs.5b01108. Epub 2015 Apr 28.

We present the synthesis, characterization, and structural analysis of a thiophene-rich heteroacene, dibenzothiopheno[6,5-b:6',5'-f]thieno[3,2-b]thiophene (DBTTT) as well as its application in field-effect transistors. The design of DBTTT is based on the enhancement of intermolecular charge transfer through strong S-S interactions....

Crystallinity-dependence of ionic conductivity in the ion pairs of a multi-interactive anion.

Chemical communications (Cambridge, England)

Lee GR, Ohtsu H, Koo J, Yakiyama Y, Park MJ, Inoue D, Hashizume D, Kawano M.
PMID: 26882279
Chem Commun (Camb). 2016 Mar 11;52(20):3962-5. doi: 10.1039/c5cc10136k. Epub 2016 Feb 16.

Ammonium and sodium salts (ion pairs) of a multi-interactive tri(4-pyridyl)hexaazaphenalenyl anion (TPHAP(-)) showed completely different ion-conductive properties depending on the crystal structure. TPHAP columnar crystals showed a high conductivity of 10(-3) S cm(-1) while retaining their structures even under...

Effect of ski simulator training on kinematic and muscle activation of the lower extremities.

Journal of physical therapy science

Moon J, Koo D, Kim K, Shin I, Kim H, Kim J.
PMID: 26357449
J Phys Ther Sci. 2015 Aug;27(8):2629-32. doi: 10.1589/jpts.27.2629. Epub 2015 Aug 21.

[Purpose] This study aimed to verify the effectiveness of an augmented reality-based ski simulator through analyzing the changes in movement patterns as well as the engagement of major muscles of the lower body. [Subjects] Seven subjects participated in the...

Femtosecond harmonic mode-locking of a fiber laser at 3.27 GHz using a bulk-like, MoSe2-based saturable absorber.

Optics express

Koo J, Park J, Lee J, Jhon YM, Lee JH.
PMID: 27409880
Opt Express. 2016 May 16;24(10):10575-89. doi: 10.1364/OE.24.010575.

We experimentally demonstrate the use of a bulk-like, MoSe2-based saturable absorber (SA) as a passive harmonic mode-locker for the production of femtosecond pulses from a fiber laser at a repetition rate of 3.27 GHz. By incorporating a bulk-like, MoSe2/PVA-composite-deposited...

Corrigendum to "Effects of a Mindfulness Meditation Course on Learning and Cognitive Performance among University Students in Taiwan".

Evidence-based complementary and alternative medicine : eCAM

Ho HC, Koo M, Tsai TH, Chen CY.
PMID: 26904145
Evid Based Complement Alternat Med. 2016;2016:5905180. doi: 10.1155/2016/5905180. Epub 2016 Jan 20.

[This corrects the article DOI: 10.1155/2015/254358.].

Characterization and optimization of pH-responsive polymer nanoparticles for drug delivery to oral biofilms.

Journal of materials chemistry. B

Zhou J, Horev B, Hwang G, Klein MI, Koo H, Benoit DS.
PMID: 27429754
J Mater Chem B. 2016 May 14;4(18):3075-3085. doi: 10.1039/C5TB02054A. Epub 2015 Nov 20.

We previously reported on cationic, pH-responsive p(DMAEMA)-

The Effect of Shoulder Flexion Angles on the Recruitment of Upper-extremity Muscles during Isometric Contraction.

Journal of physical therapy science

Moon J, Shin I, Kang M, Kim Y, Lee K, Park J, Kim K, Hong D, Koo D, O'sullivan D.
PMID: 24259780
J Phys Ther Sci. 2013 Oct;25(10):1299-301. doi: 10.1589/jpts.25.1299. Epub 2013 Nov 20.

The purpose of this study was to investigate the differences in muscle activation patterns of the biceps brachii (BB) and flexor carpi radialis (FCR) muscles, while measuring the resultant force (RF) at different shoulder flexion angles. [Subjects] Thirteen healthy...

Perceived Biases and Prejudices Experienced by International Medical Graduates in the US Post-Graduate Medical Education System.

Medical education online

Woods SE, Harju A, Rao S, Koo J, Kini D.
PMID: 28253800
Med Educ Online. 2006 Dec;11(1):4595. doi: 10.3402/meo.v11i.4595.

Purpose - The purpose of this project was to collect qualitative data on the types of bias and prejudices experienced by international medical graduates (IMGs) in the US graduate medical education system. Methods - We conducted thirty-six qualitative interviews...

Stretchable Hydrogel Electronics and Devices.

Advanced materials (Deerfield Beach, Fla.)

Lin S, Yuk H, Zhang T, Parada GA, Koo H, Yu C, Zhao X.
PMID: 26639322
Adv Mater. 2016 Jun;28(22):4497-505. doi: 10.1002/adma.201504152. Epub 2015 Dec 07.

Stretchable hydrogel electronics and devices are designed by integrating stretchable conductors, functional chips, drug-delivery channels, and reservoirs into stretchable, robust, and biocompatible hydrogel matrices. Novel applications include a smart wound dressing capable of sensing the temperatures of various locations...

Diffusion-limited aggregation as a markovian process: bond-sticking conditions.

Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics

Kol B, Aharony A.
PMID: 11088734
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 Aug;62(2):2531-46. doi: 10.1103/physreve.62.2531.

Cylindrical lattice diffusion limited aggregation (DLA), with a narrow width N, is solved using a Markovian matrix method. This matrix contains the probabilities that the front moves from one configuration to another at each growth step, calculated exactly by...

A piezoelectric motor using two orthogonal bending modes of a hollow cylinder.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Koc B, Cagatay S, Uchino K.
PMID: 11989705
IEEE Trans Ultrason Ferroelectr Freq Control. 2002 Apr;49(4):495-500. doi: 10.1109/58.996568.

This paper proposes a compact ultrasonic motor with low manufacturing costs, a simpler driving circuit, and scalability. The stator of the motor presented in this paper consists of a hollow metal cylinder, whose outside surface was flattened on two...

Amyloid-beta and treatment opportunities for Alzheimer's disease.

Journal of Alzheimer's disease : JAD

Sabbagh MN, Galasko D, Koo E, Thal LJ.
PMID: 12214087
J Alzheimers Dis. 2000 Nov;2(3):231-59. doi: 10.3233/jad-2000-23-405.

Proposed treatments of Alzheimer's disease (AD) are most likely to succeed if they are based on an understanding of the complex biology of AD and its effects on cognition. Treatments may target a single or multiple components of the...

Showing 25 to 36 of 1226 entries