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Showing 1 to 12 of 508 entries
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Designed three-dimensional freestanding single-crystal carbon architectures.

ACS nano

Park JH, Cho DH, Moon Y, Shin HC, Ahn SJ, Kwak SK, Shin HJ, Lee C, Ahn JR.
PMID: 25329767
ACS Nano. 2014 Nov 25;8(11):11657-65. doi: 10.1021/nn504956h. Epub 2014 Oct 29.

Single-crystal carbon nanomaterials have led to great advances in nanotechnology. The first single-crystal carbon nanomaterial, fullerene, was fabricated in a zero-dimensional form. One-dimensional carbon nanotubes and two-dimensional graphene have since followed and continue to provide further impetus to this...

Atherosclerosis severity is not affected by a deficiency in IL-33/ST2 signaling.

Immunity, inflammation and disease

Martin P, Palmer G, Rodriguez E, Woldt E, Mean I, James RW, Smith DE, Kwak BR, Gabay C.
PMID: 26417439
Immun Inflamm Dis. 2015 Sep;3(3):239-46. doi: 10.1002/iid3.62. Epub 2015 May 10.

Interleukin (IL)-33 is a cytokine of the IL-1 family, which signals through the ST2 receptor. Previous work demonstrated that the systemic administration of recombinant IL-33 reduces the development of atherosclerosis in apolipoprotein E-deficient (ApoE(-/-)) mice by inducing a Th1-to-Th2...

Generalized Redox-Responsive Assembly of Carbon-Sheathed Metallic and Semiconducting Nanowire Heterostructures.

Nano letters

Choi S, Kim J, Hwang DY, Park H, Ryu J, Kwak SK, Park S.
PMID: 26784743
Nano Lett. 2016 Feb 10;16(2):1179-85. doi: 10.1021/acs.nanolett.5b04476. Epub 2016 Jan 21.

One-dimensional metallic/semiconducting materials have demonstrated as building blocks for various potential applications. Here, we report on a unique synthesis technique for redox-responsive assembled carbon-sheathed metal/semiconducting nanowire heterostructures that does not require a metal catalyst. In our approach, germanium nanowires...

Cyanamide as an Infrared Reporter: Comparison of Vibrational Properties between Nitriles Bonded to N and C Atoms.

The journal of physical chemistry. B

Lee G, Kossowska D, Lim J, Kim S, Han H, Kwak K, Cho M.
PMID: 29518330
J Phys Chem B. 2018 Apr 12;122(14):4035-4044. doi: 10.1021/acs.jpcb.8b00887. Epub 2018 Mar 22.

Infrared (IR) probes based on terminally blocked β-cyanamidoalanine (AlaNHCN) 1 and p-cyanamidophenylalanine (PheNHCN) 2 were synthesized, and the vibrational properties of their CN stretch modes were studied using Fourier transform infrared (FTIR) and femtosecond IR pump-probe spectroscopies in combination...

Metastatic Small Cell Carcinoma of the Breast from Cancer of the Uterine Cervix: A Case Report.

Case reports in oncology

Kwak BS.
PMID: 29515408
Case Rep Oncol. 2018 Jan 17;11(1):38-42. doi: 10.1159/000486194. eCollection 2018.

We report here on a case of 51-year-old woman with metastatic small cell carcinoma of the breast that came from her cancer of the uterine cervix. She underwent radical hysterectomy with bilateral salpingo-oophorectomy due to small cell carcinoma of...

Antioxidant effects of cranberry powder in lipopolysaccharide treated hypercholesterolemic rats.

Preventive nutrition and food science

Kim MJ, Kim JH, Kwak HK.
PMID: 25054105
Prev Nutr Food Sci. 2014 Jun;19(2):75-81. doi: 10.3746/pnf.2014.19.2.075.

This study was conducted to investigate the effects of cranberry power on antioxidant defense system in rats fed an atherogenic diet and injected with lipopolysaccharide (LPS). Sprague-Dawley rats were divided into the following 5 groups: normal diet+saline (NS), atherogenic...

Stability of temperament in South Korean infants from 6 to 12 to 18 months: Moderation by age, gender, and birth order.

Infant behavior & development

Gartstein MA, Putnick D, Kwak K, Hahn CS, Bornstein MH.
PMID: 26101164
Infant Behav Dev. 2015 Aug;40:103-7. doi: 10.1016/j.infbeh.2015.05.002. Epub 2015 Jun 20.

No abstract available.

Aggregation-Driven Controllable Plasmonic Transition of Silica-Coated Gold Nanoparticles with Temperature-Dependent Polymer-Nanoparticle Interactions for Potential Applications in Optoelectronic Devices.

ACS applied materials & interfaces

Kwon NK, Lee TK, Kwak SK, Kim SY.
PMID: 29053247
ACS Appl Mater Interfaces. 2017 Nov 15;9(45):39688-39698. doi: 10.1021/acsami.7b13123. Epub 2017 Oct 31.

Localized surface plasmon resonance (LSPR) effect relies on the shape, size, and dispersion state of metal nanoparticles and can potentially be employed in many applications such as chemical/biological sensor, optoelectronics, and photocatalyst. While complicated synthetic approaches changing shape and...

Rapid and conformal coating of polymer resins by airbrushing for continuous and high-speed roll-to-roll nanopatterning: parametric quality controls and extended applications.

Nano convergence

Lee JH, Na M, Kim J, Yoo K, Park J, Kim JD, Oh DK, Lee S, Youn H, Kwak MK, Ok JG.
PMID: 28529841
Nano Converg. 2017;4(1):11. doi: 10.1186/s40580-017-0105-2. Epub 2017 May 01.

We present a facile and scalable coating method based on controlled airbrushing, which is suitable for conformal resin coating in continuous roll-to-roll (R2R) nanoimprint lithography (NIL) process. By controlling the concentration of UV-curable polymeric resin with mixing the volatile...

Simple and Reliable Fabrication of Bioinspired Mushroom-Shaped Micropillars with Precisely Controlled Tip Geometries.

ACS applied materials & interfaces

Yi H, Kang M, Kwak MK, Jeong HE.
PMID: 27548917
ACS Appl Mater Interfaces. 2016 Aug 31;8(34):22671-8. doi: 10.1021/acsami.6b07337. Epub 2016 Aug 22.

We present a simple yet scalable method with detailed process protocols for fabricating dry adhesives with mushroom-shaped micropillars of controlled tip geometries. The method involves using photo-lithography with a bilayer stack combining SU-8 and lift-off resist, and subsequent replica...

Spectral and spatial characterization of upconversion luminescent nanocrystals as nanowaveguides.

Nanoscale

Xu W, Lee TK, Moon BS, Zhou D, Song H, Kim YJ, Kwak SK, Chen P, Kim DH.
PMID: 28654108
Nanoscale. 2017 Jul 06;9(26):9238-9245. doi: 10.1039/c7nr01745f.

Lanthanide upconversion (UC) luminescent nanocrystals exhibit a uniquely sharp multiband emission over a broad spectral bandwidth covering the ultraviolet region to the near-infrared (NIR) region when subjected to NIR excitation, which is vital for multichannel optical communication using wavelength-division...

Immigrants Equilibrate Local Labor Markets: Evidence from the Great Recession.

American economic journal. Applied economics

Cadena BC, Kovak BK.
PMID: 27551329
Am Econ J Appl Econ. 2016 Jan;8(1):257-290. doi: 10.1257/app.20140095.

This paper demonstrates that low-skilled Mexican-born immigrants' location choices in the U.S. respond strongly to changes in local labor demand, and that this geographic elasticity helps equalize spatial differences in labor market outcomes for low-skilled native workers, who are...

Showing 1 to 12 of 508 entries