Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Hirohito Umezawa"'
Fabrication of Hinokitiol-modified podophyllotoxin nano-prodrugs having a high drug loading capacity
Publikováno v:
Molecular Crystals and Liquid Crystals. 706:79-85
Nano-prodrug is a nanomedicine developed by the reprecipitation method, which allows nanoparticles to be fabricated by only prodrug molecules without using any nanocarriers. In the present study, w...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::66b2e3e57a01aac2e6ac5b8592d316aa
https://doi.org/10.1080/15421406.2020.1743441
https://doi.org/10.1080/15421406.2020.1743441
Autor:
Kiyotaka Maruoka, Yoshitaka Koseki, Anh Thi Ngoc Dao, Ryuju Suzuki, Anudari Batbayar, Nagaki Sugeno, Hirohito Umezawa, Hitoshi Kasai
In nanoparticle-based drug delivery systems, dispersion stability is one of the most significant factors controlling drug efficacy and side effects. Herein, we synthesized guaiazulene derivatives-conjugated podophyllotoxin prodrugs and fabricated the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::51453e5f51bcc14e30e065da131ec202
Publikováno v:
Optical Materials. 60:258-263
The second-order nonlinear optical coefficients of thin films of mexylaminotriazine-functionalized azobenzene molecular glass derivatives were measured using second harmonic generation. The thin films were poled using a custom corona poling set-up an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3eb2ed2ca08d0fd43bfbe83b191a1e1
https://doi.org/10.1016/j.optmat.2016.07.037
https://doi.org/10.1016/j.optmat.2016.07.037
Autor:
Yoshinori Takahashi, Ryo Miyabara, Masayoshi Tonouchi, Hirohito Umezawa, Yusuke Mori, Masashi Yoshimura, Hiroki Koga, Iwao Kawayama, Shuji Okada, Takeshi Matsukawa, Takatomo Sasaki, Yasuo Kitaoka
Publikováno v:
Journal of Crystal Growth. 311:568-571
Bis[4-dimethylamino-N-methyl-4-stilbazolium] terephthanate (BDAS-TP) was newly designed as an organic nonlinear optical crystal. It is derivative of 4-dimethylamino-N-methyl-4-stilbazolium tosylate (DAST), which is well known as a novel terahertz (TH
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8ede12527a846dd7e8c531a8aa70f75
https://doi.org/10.1016/j.jcrysgro.2008.09.080
https://doi.org/10.1016/j.jcrysgro.2008.09.080
Publikováno v:
Bulletin of the Chemical Society of Japan. 80:1413-1417
Partially fluorinated skeleton of 4-[2-(4-dimethylamino-2,3,5,6-tetrafluorophenyl)ethynyl]-2,3,5,6-tetrafluoro-N,N,N-trimethylanilinium (2) was synthesized as a second-order nonlinear optical (NLO)...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1de5159c4cd9251a5671cd896a18eeb4
https://doi.org/10.1246/bcsj.80.1413
https://doi.org/10.1246/bcsj.80.1413
Autor:
Shuji Okada, Hiro Matsuda, Satya S. Talwar, Tatsumi Kimura, Hitoshi Kasai, Tiesheng Li, Hachiro Nakanishi, Hirohito Umezawa
Publikováno v:
Polymer Bulletin. 57:737-746
1,4-Bis(3-quinolyl)-1,3-butadiyne (DQ) is known to be polymerized in solid state to give the corresponding polydiacetylene. However, the polymer yield of DQ bulk crystals is low. Thus, we prepared several types of DQ crystals by different procedures
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15fc0eb300f198b05c4891d46e4ac5e4
https://doi.org/10.1007/s00289-006-0626-z
https://doi.org/10.1007/s00289-006-0626-z
Publikováno v:
Journal of Nonlinear Optical Physics & Materials. 14:357-365
In order to find new ionic compounds with good characteristics for second harmonic generation (SHG), the relationship between first hyperpolarizabilities (β) and the position of the cationic center with respect to the benzene ring was investigated.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::942c6ec705b5b2964350e1445156c085
https://doi.org/10.1142/s0218863505002797
https://doi.org/10.1142/s0218863505002797
Publikováno v:
Bulletin of the Chemical Society of Japan. 78(2):344-348
Several salts of l-methyl-4-[4-(dimethylamino)phenylethynyl]pyridinium 1, whose ethenyl analogue 2 is the cation of DAST (l-methyl-4-(2-[4-(dimethylamino)phenyl]ethenyl)pyridinium p-toluenesulfonate), were synthesized, and these properties were inves
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e148ab3fa33c54c325bf0852a7f73e1
http://hdl.handle.net/10097/51804
http://hdl.handle.net/10097/51804
Publikováno v:
Journal of Physical Organic Chemistry. 18:468-472
As new ionic organic species for second-order non-linear optical (NLO) materials, 4-{[4-(dimethylamino)phenyl]ethynyl}phenyltrimethylammonium iodide (1a), 4-{[4-(dimethylamino)phenyl]butadiynyl}phenyltrimethylammonium iodide (2a) and their derivative
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2bcdee07c28c97bda75247cb2a2a7bcf
https://doi.org/10.1002/poc.870
https://doi.org/10.1002/poc.870
Publikováno v:
Materials Letters. 58:2466-2471
New pyridinium–metal iodide complexes were synthesized. The 4-substituted pyridinium iodides X–C5H4N+–CH3I−, where X=methyl, amino, cyano, methoxycarbonyl, carbamoyl, or dimethylamino group, were found to form 2:1 crystalline complexes with Z
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a173e630cbf7605127f6be88dcb8e40e
https://doi.org/10.1016/j.matlet.2004.03.006
https://doi.org/10.1016/j.matlet.2004.03.006