Zobrazeno 1 - 10
of 184
pro vyhledávání: '"Kwangnak Koh"'
Publikováno v:
Electrochemistry Communications, Vol 100, Iss , Pp 126-133 (2019)
The abuse of amphetamine-type stimulants (ATS) has increased rapidly and so development of an easy, cheap and sensitive ATS sensor is of great importance. A facile label-free impedimetric sensor was fabricated using cucurbit[7]uril (CB[7]) as a recog
Externí odkaz:
https://doaj.org/article/e5a7fb22a5c040f9b313a01a4133a86d
Autor:
Kwangnak Koh, Heung-Jin Choi, Dong Seob Lim, Seok Ju Yoon, Jaebeom Lee, Youn Sook Kim, Hongxia Chen
Publikováno v:
Sensors, Vol 7, Iss 10, Pp 2263-2272 (2007)
Effective investigation of biomolecular structure and function with chip-basedmodern instruments often requires reliable and steady attachment of designatedbiomolecules on substrate. Here, we investigated the formation of self-assembled monolayer(SAM
Externí odkaz:
https://doaj.org/article/ea6b8b03f4054ca5b0ecf0fce4fea6b5
Autor:
Kwangnak Koh, Won Gun An, Yoon-Hwae Hwang, Yeong-Soon Gal, Jae-Ho Kim, Jaebeom Lee, Minsu Lee, Hongxia Chen
Publikováno v:
Sensors, Vol 7, Iss 8, Pp 1480-1495 (2007)
We designed and synthesized phenylboronic acid as a molecular recognitionmodel system for saccharide detection. The phenylboronic acid derivatives that haveboronic acid moiety are well known to interact with saccharides in aqueous solution; thus,they
Externí odkaz:
https://doaj.org/article/206c1f909c2a4e8fbcc008845dd48da1
Autor:
Kwangnak Koh, Won Gun An, Jaebeom Lee, Heung-Jin Choi, Sung-Hoon Kim, Sam-Rok Keum, Youn Sook Kim, Hongxia Chen
Publikováno v:
Sensors, Vol 7, Iss 7, Pp 1216-1223 (2007)
For the surface-optoelectronic study of Saxitoxin sensing, we fabricated self-assembled calix[4]arene derivative monolayers as the recognition-functional interfaces ona gold surface. An interaction study between Saxitoxin and calix[4]arene derivative
Externí odkaz:
https://doaj.org/article/d6bd086d3c1f4e0baadbbb18336089ba
Autor:
Kwangnak Koh, Jeabeom Lee, Sung-Hoon Kim, Heung-Jin Choi, Jae-Ho Kim, Sungwook Choi, Minsu Lee, Hongxia Chen
Publikováno v:
Sensors, Vol 7, Iss 7, Pp 1091-1107 (2007)
Three calix[4]arene (Cal-4) derivatives of which contain ethylester (1),carboxylic acid (2), and crownether (3) at the lower rim with a common reactive thiol at theupper rim were synthesized and constructed to self-assembled monolayers (SAMs) on Aufi
Externí odkaz:
https://doaj.org/article/67fbbd8283584d25b3da176f8b9c964b
Publikováno v:
ACS Photonics. 9:3807-3823
Autor:
Han Zhu, Yongkai Lu, Junjie Xia, Yawen Liu, Jie Chen, Jaebeom Lee, Kwangnak Koh, Hongxia Chen
Publikováno v:
Analytical Chemistry. 94:2109-2118
Leukocyte cell-derived chemotaxin 2 (LECT2) has been proved to be a potential biomarker for the diagnosis of liver fibrosis. In this work, a sensitive surface plasmon resonance (SPR) assay for LECT2 analysis was developed. Tyrosine kinase with immune
Autor:
Yindian Wang, Zhijuan Niu, Chengcheng Xu, Minghui Zhan, Kwangnak Koh, Junfeng Niu, Hongxia Chen
Publikováno v:
Journal of Hazardous Materials. 456:131642
Autor:
Jie Chen, Xiao-Hui Xu, Xiaojun Hu, Qiang Chen, Hongxia Chen, Zhao-huan Zhang, Junjie Hu, Kwangnak Koh
Publikováno v:
Nanoscale. 13:8107-8117
Parkinson's disease (PD) is the second most prevalent neurodegenerative disease. Nitrated α-synuclein (α-syn) in the blood is a potentially efficient biomarker for PD in its early stages. In this work, an ultrasensitive electrochemical immunosensor
Autor:
Xiaojun Hu, Hongxia Chen, Haibin Dong, Xiaoyu Zhu, Han Zhu, Zhikang Zhu, Kwangnak Koh, Akira Odani, Kazuma Ogawa
Publikováno v:
Inorganic Chemistry. 59:4617-4625
Porphyrins coordinated with platinum(II) chemotherapeutic drugs are attractive for the development of photosensitizers for photodynamic therapy (PDT) of cancer. In this paper, inorganic and metal-organic nanocomposites were synthesized with cascade-r