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Showing 1 to 12 of 656 entries
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Slice profile improvement for a clinical MRI system.

Magnetic resonance imaging

Mao JT, Yan H, Fitzsimmons JR.
PMID: 2266803
Magn Reson Imaging. 1990;8(6):767-70. doi: 10.1016/0730-725x(90)90012-q.

Optimal control methods have been recently introduced to improve the design of selective radio frequency pulses and several optimized selective pulses that can produce excellent slice profiles have been reported. These pulses usually require high peak rf amplitudes to...

Photo-induced copper-catalyzed C-H chalcogenation of azoles at room temperature.

Chemical communications (Cambridge, England)

Gandeepan P, Mo J, Ackermann L.
PMID: 28513650
Chem Commun (Camb). 2017 May 30;53(43):5906-5909. doi: 10.1039/c7cc03107f.

Inexpensive copper catalysts enabled direct C-H chalcogenations at ambient temperature by means of photo-induced catalysis. The expedient copper catalysis set the stage for C-S and C-Se bond formation from readily accessible non-volatile elemental chalcogens. The photo-assisted copper catalysis manifold...

Lead-Based Metal-Organic Framework with Stable Lithium Anodic Performance.

Inorganic chemistry

Hu L, Lin XM, Mo JT, Lin J, Gan HL, Yang XL, Cai YP.
PMID: 28358512
Inorg Chem. 2017 Apr 17;56(8):4289-4295. doi: 10.1021/acs.inorgchem.6b02663. Epub 2017 Mar 30.

A microporous Pb-based metal-organic framework (MOF) [Pb(4,4'-ocppy)

Chiral GAP catalysts of phosphonylated imidazolidinones and their applications in asymmetric Diels-Alder and Friedel-Crafts reactions.

Organic & biomolecular chemistry

Qiao S, Mo J, Wilcox CB, Jiang B, Li G.
PMID: 28139798
Org Biomol Chem. 2017 Feb 21;15(7):1718-1724. doi: 10.1039/c6ob02801b. Epub 2017 Jan 31.

The design and synthesis of recyclable imidazolidinone catalysts using GAP chemistry/technique was described. Their applications in asymmetric Diels-Alder and Friedel-Crafts reactions with α,β-unsaturated aldehydes resulted in excellent yields and higher enantioselectivities than previous processes. As recyclable small molecular catalysts,...

Neuronal Differentiation of a Human Induced Pluripotent Stem Cell Line (FS-1) Derived from Newborn Foreskin Fibroblasts.

International journal of stem cells

Kwon J, Lee N, Jeon I, Lee HJ, Do JT, Lee DR, Oh SH, Shin DA, Kim A, Song J.
PMID: 24298367
Int J Stem Cells. 2012 Nov;5(2):140-5. doi: 10.15283/ijsc.2012.5.2.140.

Isolation of induced pluripotent stem cells (iPSCs) from fully differentiated somatic cells has revolutionized existing concepts of cell differentiation and stem cells. Importantly, iPSCs generated from somatic cells of patients can be used to model different types of human...

Reprogrammed pluripotent stem cells from somatic cells.

International journal of stem cells

Kim JS, Choi HW, Choi S, Do JT.
PMID: 24298328
Int J Stem Cells. 2011 Jun;4(1):1-8. doi: 10.15283/ijsc.2011.4.1.1.

Pluripotent stem cells, such as embryonic stem (ES) cells, can differentiate into all cell types. So, these cells can be a biological resource for regenerative medicine. However, ES cells known as standard pluripotent cells have problem to be used...

Ligand-activated PPARδ modulates the migration and invasion of melanoma cells by regulating Snail expression.

American journal of cancer research

Ham SA, Yoo T, Hwang JS, Kang ES, Lee WJ, Paek KS, Park C, Kim JH, Do JT, Lim DS, Seo HG.
PMID: 25520859
Am J Cancer Res. 2014 Nov 19;4(6):674-82. eCollection 2014.

Peroxisome proliferator-activated receptor (PPAR) δ is implicated in the carcinogenesis of several types of cancer. However, the therapeutic efficacy of PPARδ ligands against cancer progression is unclear. Here, we showed that PPARδ modulates the migration and invasion of melanoma...

Nanofluidic Diode for Simple Fluids without Moving Parts.

Physical review letters

Li L, Mo J, Li Z.
PMID: 26451560
Phys Rev Lett. 2015 Sep 25;115(13):134503. doi: 10.1103/PhysRevLett.115.134503. Epub 2015 Sep 24.

The fabrication of small scale, fixed structure fluidic diodes for simple fluids is quite challenging and has not yet been achieved. Here, we fabricate a moving part-free nanofluidic diode for simple fluids using heterogeneous nanochannels, half of which is...

Design, synthesis, and antimicrobial activities of new tanshinone IIA esters.

Natural product research

Zeng LW, Zhou CX, Liu JD, Liu CH, Mo JX, Hou AF, Yao W, Wang ZZ, Gan LS.
PMID: 26829106
Nat Prod Res. 2016 Dec;30(23):2662-2668. doi: 10.1080/14786419.2016.1138302. Epub 2016 Feb 01.

Sixteen new ester derivatives with various partition coefficient (ClogP) values of tanshinone IIA (TSIIA), a major lipophilic component of Salvia miltiorrhiza, were designed and synthesised, including six aliphatic esters (3a-e, 5a), one phosphate ester (4c) and nine aromatic esters...

Neurovascular Interaction Promotes the Morphological and Functional Maturation of Cortical Neurons.

Frontiers in cellular neuroscience

Wu KW, Mo JL, Kou ZW, Liu Q, Lv LL, Lei Y, Sun FY.
PMID: 28966577
Front Cell Neurosci. 2017 Sep 15;11:290. doi: 10.3389/fncel.2017.00290. eCollection 2017.

Brain microvascular endothelial cells (BMEC) have been found to guide the migration, promote the survival and regulate the differentiation of neural cells. However, whether BMEC promote development and maturation of immature neurons is still unknown. Therefore, in this study,...

Subculture of Germ Cell-Derived Colonies with GATA4-Positive Feeder Cells from Neonatal Pig Testes.

Stem cells international

Lee KH, Lee WY, Kim JH, Park CK, Do JT, Kim JH, Choi YS, Kim NH, Song H.
PMID: 26880974
Stem Cells Int. 2016;2016:6029271. doi: 10.1155/2016/6029271. Epub 2016 Jan 06.

Enrichment of spermatogonial stem cells is important for studying their self-renewal and differentiation. Although germ cell-derived colonies (GDCs) have been successfully cultured from neonatal pig testicular cells under 31°C conditions, the short period of in vitro maintenance (

Crystalline transitions in free-standing films of 4-n-heptyloxybenzylidene-4-n-heptylaniline.

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

Chao CY, Lo CR, Ho JT.
PMID: 11031591
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics. 2000 May;61(5):5407-9. doi: 10.1103/physreve.61.5407.

Free-standing films of 4-n-heptyloxybenzylidene-4-n-heptylaniline are known to exhibit multiple smectic-I surface layers in the presence of a smectic-A interior. The phase transitions leading to the crystallization of these films have been studied using electron diffraction. Our data are consistent...

Showing 1 to 12 of 656 entries