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Diversity-Oriented One-Pot Synthesis to Construct Functionalized Chroman-2-one Derivatives and Other Heterocyclic Compounds.

The Journal of organic chemistry

Chen YH, Sun XL, Guan HS, Liu YK.
PMID: 28421761
J Org Chem. 2017 May 05;82(9):4774-4783. doi: 10.1021/acs.joc.7b00461. Epub 2017 Apr 24.

The asymmetric organocatalyzed diversity-oriented one-pot synthesis has been developed to construct chroman-2-one derivatives and other heterocyclic compounds with excellent efficiency and stereoselectivity. The reactions represent a challenging issue, since it altered the inherent selectivity profiles exhibited by the substrates...

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Chen YH, Sun XL, Guan HS, et al. Diversity-Oriented One-Pot Synthesis to Construct Functionalized Chroman-2-one Derivatives and Other Heterocyclic Compounds. J Org Chem. 2017;82(9):4774-4783doi: 10.1021/acs.joc.7b00461.
Chen, Y. H., Sun, X. L., Guan, H. S., & Liu, Y. K. (2017). Diversity-Oriented One-Pot Synthesis to Construct Functionalized Chroman-2-one Derivatives and Other Heterocyclic Compounds. The Journal of organic chemistry, 82(9), 4774-4783. https://doi.org/10.1021/acs.joc.7b00461
Chen, Ying-Han, et al. "Diversity-Oriented One-Pot Synthesis to Construct Functionalized Chroman-2-one Derivatives and Other Heterocyclic Compounds." The Journal of organic chemistry vol. 82,9 (2017): 4774-4783. doi: https://doi.org/10.1021/acs.joc.7b00461
Chen YH, Sun XL, Guan HS, Liu YK. Diversity-Oriented One-Pot Synthesis to Construct Functionalized Chroman-2-one Derivatives and Other Heterocyclic Compounds. J Org Chem. 2017 May 05;82(9):4774-4783. doi: 10.1021/acs.joc.7b00461. Epub 2017 Apr 24. PMID: 28421761.
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Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide.

Beilstein journal of nanotechnology

Gwak GH, Kocsis I, Legrand YM, Barboiu M, Oh JM.
PMID: 28144541
Beilstein J Nanotechnol. 2016 Dec 06;7:1928-1935. doi: 10.3762/bjnano.7.184. eCollection 2016.

Guanosine monophosphates (GMPs) were intercalated into the interlayer space of layered double hydroxides (LDHs) and the molecular arrangement of GMP was controlled in LDHs. The intercalation conditions such as GMP/LDH molar ratio and reaction temperature were systematically adjusted. When...

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Gwak GH, Kocsis I, Legrand YM, et al. Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide. Beilstein J Nanotechnol. 2016;7:1928-1935doi: 10.3762/bjnano.7.184.
Gwak, G. H., Kocsis, I., Legrand, Y. M., Barboiu, M., & Oh, J. M. (2016). Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide. Beilstein journal of nanotechnology, 71928-1935. https://doi.org/10.3762/bjnano.7.184
Gwak, Gyeong-Hyeon, et al. "Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide." Beilstein journal of nanotechnology vol. 7 (2016): 1928-1935. doi: https://doi.org/10.3762/bjnano.7.184
Gwak GH, Kocsis I, Legrand YM, Barboiu M, Oh JM. Controlled supramolecular structure of guanosine monophosphate in the interlayer space of layered double hydroxide. Beilstein J Nanotechnol. 2016 Dec 06;7:1928-1935. doi: 10.3762/bjnano.7.184. eCollection 2016. PMID: 28144541; PMCID: PMC5238632.
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A case of benign meningioma presented with subdural hemorrhage.

Brain tumor research and treatment

Kim JH, Gwak HS, Hong EK, Bang CW, Lee SH, Yoo H.
PMID: 25977904
Brain Tumor Res Treat. 2015 Apr;3(1):30-3. doi: 10.14791/btrt.2015.3.1.30. Epub 2015 Apr 29.

Meningiomas are the most common benign intracranial tumors and make up 13-26% of all primary intracranial tumors. Clinical presentation of hemorrhage is rare in these tumors occurring in approximately 1.3% of cases and subdural hemorrhages are even more uncommon....

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Kim JH, Gwak HS, Hong EK, et al. A case of benign meningioma presented with subdural hemorrhage. Brain Tumor Res Treat. 2015;3(1):30-3doi: 10.14791/btrt.2015.3.1.30.
Kim, J. H., Gwak, H. S., Hong, E. K., Bang, C. W., Lee, S. H., & Yoo, H. (2015). A case of benign meningioma presented with subdural hemorrhage. Brain tumor research and treatment, 3(1), 30-3. https://doi.org/10.14791/btrt.2015.3.1.30
Kim, Joo-Hwan, et al. "A case of benign meningioma presented with subdural hemorrhage." Brain tumor research and treatment vol. 3,1 (2015): 30-3. doi: https://doi.org/10.14791/btrt.2015.3.1.30
Kim JH, Gwak HS, Hong EK, Bang CW, Lee SH, Yoo H. A case of benign meningioma presented with subdural hemorrhage. Brain Tumor Res Treat. 2015 Apr;3(1):30-3. doi: 10.14791/btrt.2015.3.1.30. Epub 2015 Apr 29. PMID: 25977904; PMCID: PMC4426274.
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The Efficacy of Postoperative Chemotherapy for Patients with Metastatic Brain Tumors from Non-Small Cell Lung Cancer.

Brain tumor research and treatment

Hong N, Joo JN, Shin SH, Gwak HS, Lee SH, Yoo H.
PMID: 26605266
Brain Tumor Res Treat. 2015 Oct;3(2):108-14. doi: 10.14791/btrt.2015.3.2.108. Epub 2015 Oct 30.

BACKGROUND: The purpose of this study is to evaluate the effect of postoperative chemotherapy on recurrence and survival in patients after resection of metastatic brain tumors from non-small cell lung cancers.METHODS: Patients who went through resection of a single...

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Hong N, Joo JN, Shin SH, et al. The Efficacy of Postoperative Chemotherapy for Patients with Metastatic Brain Tumors from Non-Small Cell Lung Cancer. Brain Tumor Res Treat. 2015;3(2):108-14doi: 10.14791/btrt.2015.3.2.108.
Hong, N., Joo, J. N., Shin, S. H., Gwak, H. S., Lee, S. H., & Yoo, H. (2015). The Efficacy of Postoperative Chemotherapy for Patients with Metastatic Brain Tumors from Non-Small Cell Lung Cancer. Brain tumor research and treatment, 3(2), 108-14. https://doi.org/10.14791/btrt.2015.3.2.108
Hong, Noah, et al. "The Efficacy of Postoperative Chemotherapy for Patients with Metastatic Brain Tumors from Non-Small Cell Lung Cancer." Brain tumor research and treatment vol. 3,2 (2015): 108-14. doi: https://doi.org/10.14791/btrt.2015.3.2.108
Hong N, Joo JN, Shin SH, Gwak HS, Lee SH, Yoo H. The Efficacy of Postoperative Chemotherapy for Patients with Metastatic Brain Tumors from Non-Small Cell Lung Cancer. Brain Tumor Res Treat. 2015 Oct;3(2):108-14. doi: 10.14791/btrt.2015.3.2.108. Epub 2015 Oct 30. PMID: 26605266; PMCID: PMC4656886.
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Intracavitary radiation therapy for recurrent cystic brain tumors with holmium-166-chico : a pilot study.

Journal of Korean Neurosurgical Society

Ha EJ, Gwak HS, Rhee CH, Youn SM, Choi CW, Cheon GJ.
PMID: 24278644
J Korean Neurosurg Soc. 2013 Sep;54(3):175-82. doi: 10.3340/jkns.2013.54.3.175. Epub 2013 Sep 30.

OBJECTIVE: Intracavitary injection of beta-emitting radiation source for control of cystic tumors has been tried with a benefit of localized internal radiation. The authors treated cystic brain tumor patients with Holmium-166-chitosan complex (Ho-166-chico), composed of a beta-emitting radionuclide Holmium-166...

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Ha EJ, Gwak HS, Rhee CH, et al. Intracavitary radiation therapy for recurrent cystic brain tumors with holmium-166-chico : a pilot study. J Korean Neurosurg Soc. 2013;54(3):175-82doi: 10.3340/jkns.2013.54.3.175.
Ha, E. J., Gwak, H. S., Rhee, C. H., Youn, S. M., Choi, C. W., & Cheon, G. J. (2013). Intracavitary radiation therapy for recurrent cystic brain tumors with holmium-166-chico : a pilot study. Journal of Korean Neurosurgical Society, 54(3), 175-82. https://doi.org/10.3340/jkns.2013.54.3.175
Ha, Eun Jin, et al. "Intracavitary radiation therapy for recurrent cystic brain tumors with holmium-166-chico : a pilot study." Journal of Korean Neurosurgical Society vol. 54,3 (2013): 175-82. doi: https://doi.org/10.3340/jkns.2013.54.3.175
Ha EJ, Gwak HS, Rhee CH, Youn SM, Choi CW, Cheon GJ. Intracavitary radiation therapy for recurrent cystic brain tumors with holmium-166-chico : a pilot study. J Korean Neurosurg Soc. 2013 Sep;54(3):175-82. doi: 10.3340/jkns.2013.54.3.175. Epub 2013 Sep 30. PMID: 24278644; PMCID: PMC3836922.
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The Drinking Effect of Hydrogen Water on Atopic Dermatitis Induced by Dermatophagoides farinae Allergen in NC/Nga Mice.

Evidence-based complementary and alternative medicine : eCAM

Ignacio RM, Kwak HS, Yun YU, Sajo ME, Yoon YS, Kim CS, Kim SK, Lee KJ.
PMID: 24348704
Evid Based Complement Alternat Med. 2013;2013:538673. doi: 10.1155/2013/538673. Epub 2013 Nov 20.

Hydrogen water (HW) produced by electrolysis of water has characteristics of extremely low oxidation-reduction potential (ORP) value and high dissolved hydrogen (DH). It has been proved to have various beneficial effects including antioxidant and anti-inflammatory effects; however, HW effect...

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Ignacio RM, Kwak HS, Yun YU, et al. The Drinking Effect of Hydrogen Water on Atopic Dermatitis Induced by Dermatophagoides farinae Allergen in NC/Nga Mice. Evid Based Complement Alternat Med. 2013;2013:538673doi: 10.1155/2013/538673.
Ignacio, R. M., Kwak, H. S., Yun, Y. U., Sajo, M. E., Yoon, Y. S., Kim, C. S., Kim, S. K., & Lee, K. J. (2013). The Drinking Effect of Hydrogen Water on Atopic Dermatitis Induced by Dermatophagoides farinae Allergen in NC/Nga Mice. Evidence-based complementary and alternative medicine : eCAM, 2013538673. https://doi.org/10.1155/2013/538673
Ignacio, Rosa Mistica C, et al. "The Drinking Effect of Hydrogen Water on Atopic Dermatitis Induced by Dermatophagoides farinae Allergen in NC/Nga Mice." Evidence-based complementary and alternative medicine : eCAM vol. 2013 (2013): 538673. doi: https://doi.org/10.1155/2013/538673
Ignacio RM, Kwak HS, Yun YU, Sajo ME, Yoon YS, Kim CS, Kim SK, Lee KJ. The Drinking Effect of Hydrogen Water on Atopic Dermatitis Induced by Dermatophagoides farinae Allergen in NC/Nga Mice. Evid Based Complement Alternat Med. 2013;2013:538673. doi: 10.1155/2013/538673. Epub 2013 Nov 20. PMID: 24348704; PMCID: PMC3852999.
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Weakened Flexural Strength of Nanocrystalline Nanoporous Gold by Grain Refinement.

Nano letters

Gwak EJ, Kim JY.
PMID: 26982460
Nano Lett. 2016 Apr 13;16(4):2497-502. doi: 10.1021/acs.nanolett.6b00062. Epub 2016 Mar 21.

High density of grain boundaries in solid materials generally leads to high strength because grain boundaries act as strong obstacles to dislocation activity. We find that the flexural strength of nanoporous gold of grain size 206 nm is 33.6%...

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Gwak EJ, Kim JY. Weakened Flexural Strength of Nanocrystalline Nanoporous Gold by Grain Refinement. Nano Lett. 2016;16(4):2497-502doi: 10.1021/acs.nanolett.6b00062.
Gwak, E. J., & Kim, J. Y. (2016). Weakened Flexural Strength of Nanocrystalline Nanoporous Gold by Grain Refinement. Nano letters, 16(4), 2497-502. https://doi.org/10.1021/acs.nanolett.6b00062
Gwak, Eun-Ji, and Kim, Ju-Young. "Weakened Flexural Strength of Nanocrystalline Nanoporous Gold by Grain Refinement." Nano letters vol. 16,4 (2016): 2497-502. doi: https://doi.org/10.1021/acs.nanolett.6b00062
Gwak EJ, Kim JY. Weakened Flexural Strength of Nanocrystalline Nanoporous Gold by Grain Refinement. Nano Lett. 2016 Apr 13;16(4):2497-502. doi: 10.1021/acs.nanolett.6b00062. Epub 2016 Mar 21. PMID: 26982460.
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Surgical robot for single-incision laparoscopic surgery.

IEEE transactions on bio-medical engineering

Choi H, Kwak HS, Lim YA, Kim HJ.
PMID: 24835120
IEEE Trans Biomed Eng. 2014 Sep;61(9):2458-66. doi: 10.1109/TBME.2014.2320941. Epub 2014 May 12.

This paper introduces a novel surgical robot for single-incision laparoscopic surgeries. The robot system includes the cone-type remote center-of-motion (RCM) mechanism and two articulated instruments having a flexible linkage-driven elbow. The RCM mechanism, which has two revolute joints and...

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Choi H, Kwak HS, Lim YA, et al. Surgical robot for single-incision laparoscopic surgery. IEEE Trans Biomed Eng. 2014;61(9):2458-66doi: 10.1109/TBME.2014.2320941.
Choi, H., Kwak, H. S., Lim, Y. A., & Kim, H. J. (2014). Surgical robot for single-incision laparoscopic surgery. IEEE transactions on bio-medical engineering, 61(9), 2458-66. https://doi.org/10.1109/TBME.2014.2320941
Choi, Hyundo, et al. "Surgical robot for single-incision laparoscopic surgery." IEEE transactions on bio-medical engineering vol. 61,9 (2014): 2458-66. doi: https://doi.org/10.1109/TBME.2014.2320941
Choi H, Kwak HS, Lim YA, Kim HJ. Surgical robot for single-incision laparoscopic surgery. IEEE Trans Biomed Eng. 2014 Sep;61(9):2458-66. doi: 10.1109/TBME.2014.2320941. Epub 2014 May 12. PMID: 24835120.
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Single-mode transflective liquid crystal display tailored for wide-band single gamma curve.

Optics express

Gwag JS, Lee YJ, Kim JH, Lee HJ, Yi MH.
PMID: 18958088
Opt Express. 2008 Oct 27;16(22):18102-8. doi: 10.1364/oe.16.018102.

This paper proposes a single cell gap transflective patterned vertically aligned liquid crystal mode with the same gamma curve for both reflective and transmissive operation. The gamma curve of the proposed transflective mode is obtained by tuning the chevron-type...

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Gwag JS, Lee YJ, Kim JH, et al. Single-mode transflective liquid crystal display tailored for wide-band single gamma curve. Opt Express. 2008;16(22):18102-8doi: 10.1364/oe.16.018102.
Gwag, J. S., Lee, Y. J., Kim, J. H., Lee, H. J., & Yi, M. H. (2008). Single-mode transflective liquid crystal display tailored for wide-band single gamma curve. Optics express, 16(22), 18102-8. https://doi.org/10.1364/oe.16.018102
Gwag, Jin Seog, et al. "Single-mode transflective liquid crystal display tailored for wide-band single gamma curve." Optics express vol. 16,22 (2008): 18102-8. doi: https://doi.org/10.1364/oe.16.018102
Gwag JS, Lee YJ, Kim JH, Lee HJ, Yi MH. Single-mode transflective liquid crystal display tailored for wide-band single gamma curve. Opt Express. 2008 Oct 27;16(22):18102-8. doi: 10.1364/oe.16.018102. PMID: 18958088.
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Theory of anchoring on a two-dimensionally grooved surface.

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

Fukuda J, Gwag JS, Yoneya M, Yokoyama H.
PMID: 18351861
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Jan;77(1):011702. doi: 10.1103/PhysRevE.77.011702. Epub 2008 Jan 10.

We investigate analytically the anchoring of a nematic liquid crystal on a two-dimensionally grooved surface of arbitrary shape, induced by the elastic distortions of a liquid crystal adjacent to the surface. Our theoretical framework applied to a surface with...

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Fukuda J, Gwag JS, Yoneya M, et al. Theory of anchoring on a two-dimensionally grooved surface. Phys Rev E Stat Nonlin Soft Matter Phys. 2008;77(1):011702doi: 10.1103/PhysRevE.77.011702.
Fukuda, J., Gwag, J. S., Yoneya, M., & Yokoyama, H. (2008). Theory of anchoring on a two-dimensionally grooved surface. Physical review. E, Statistical, nonlinear, and soft matter physics, 77(1), 011702. https://doi.org/10.1103/PhysRevE.77.011702
Fukuda, Jun-ichi, et al. "Theory of anchoring on a two-dimensionally grooved surface." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 77,1 (2008): 011702. doi: https://doi.org/10.1103/PhysRevE.77.011702
Fukuda J, Gwag JS, Yoneya M, Yokoyama H. Theory of anchoring on a two-dimensionally grooved surface. Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Jan;77(1):011702. doi: 10.1103/PhysRevE.77.011702. Epub 2008 Jan 10. PMID: 18351861.
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[Fluorescence characterization of dissolved organic matter in East China sea].

Guang pu xue yu guang pu fen xi = Guang pu

Wang JT, Guan HS, Zhao WH, Wang XL.
PMID: 19650486
Guang Pu Xue Yu Guang Pu Fen Xi. 2009 May;29(5):1345-8.

Sea water samples were collected in the East China Sea in March and April, 2005, and three-dimensional fluorescence of dissolved organic matter was measured by fluorescence excitation-emission matrix spectroscopy. The position, number and intensity of fluorescence peak in the...

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Wang JT, Guan HS, Zhao WH, et al. [Fluorescence characterization of dissolved organic matter in East China sea]. Guang Pu Xue Yu Guang Pu Fen Xi. 2009;29(5):1345-8
Wang, J. T., Guan, H. S., Zhao, W. H., & Wang, X. L. (2009). [Fluorescence characterization of dissolved organic matter in East China sea]. Guang pu xue yu guang pu fen xi = Guang pu, 29(5), 1345-8.
Wang, Jiang-tao, et al. "[Fluorescence characterization of dissolved organic matter in East China sea]." Guang pu xue yu guang pu fen xi = Guang pu vol. 29,5 (2009): 1345-8.
Wang JT, Guan HS, Zhao WH, Wang XL. [Fluorescence characterization of dissolved organic matter in East China sea]. Guang Pu Xue Yu Guang Pu Fen Xi. 2009 May;29(5):1345-8. Chinese. PMID: 19650486.
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Single-cell gap-transflective liquid crystal display using two optical modes of a bistable liquid crystal.

Applied optics

Son PK, Yi J, Kwon JH, Gwag JS.
PMID: 21460897
Appl Opt. 2011 Apr 01;50(10):1333-7. doi: 10.1364/AO.50.001333.

We present a single-cell gap-transflective liquid crystal display (LCD) characterized by a π cell having bulk-type liquid crystal (LC) bistability and an optical film configuration. The π cell has two stable states, which are a twisted and a nontwisted...

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Son PK, Yi J, Kwon JH, et al. Single-cell gap-transflective liquid crystal display using two optical modes of a bistable liquid crystal. Appl Opt. 2011;50(10):1333-7doi: 10.1364/AO.50.001333.
Son, P. K., Yi, J., Kwon, J. H., & Gwag, J. S. (2011). Single-cell gap-transflective liquid crystal display using two optical modes of a bistable liquid crystal. Applied optics, 50(10), 1333-7. https://doi.org/10.1364/AO.50.001333
Son, Phil Kook, et al. "Single-cell gap-transflective liquid crystal display using two optical modes of a bistable liquid crystal." Applied optics vol. 50,10 (2011): 1333-7. doi: https://doi.org/10.1364/AO.50.001333
Son PK, Yi J, Kwon JH, Gwag JS. Single-cell gap-transflective liquid crystal display using two optical modes of a bistable liquid crystal. Appl Opt. 2011 Apr 01;50(10):1333-7. doi: 10.1364/AO.50.001333. PMID: 21460897.
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Showing 1 to 12 of 408 entries