Nako Nakatsuka

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We demonstrate straightforward fabrication of highly sensitive biosensor arrays based on field-effect transistors, using an efficient high-throughput, large-area patterning process. Chemical lift-off lithography is used to construct field-effect transistor arrays with high spatial precision suitable for the fabrication of both micrometer- and(More)
Nucleotide arrays require controlled surface densities and minimal nucleotide-substrate interactions to enable highly specific and efficient recognition by corresponding targets. We investigated chemical lift-off lithography with hydroxyl- and oligo(ethylene glycol)-terminated alkanethiol self-assembled monolayers as a means to produce substrates optimized(More)
Self-assembling peptide sequences (both synthetic and natural) have emerged as a new group of building blocks for diverse applications. In this work we investigated the formation of assemblies of three diverse peptide sequences derived from the crustacean cardioactive peptide CCAP (1-9), a cardioaccelerator and neuropeptide transmitter in crustaceans,(More)
Understanding spin-selective interactions between electrons and chiral molecules is critical to elucidating the significance of electron spin in biological processes and to assessing the potential of chiral assemblies for organic spintronics applications. Here, we use fluorescence microscopy to visualize the effects of spin-dependent charge transport in(More)
Monitoring dopamine and norepinephrine (or other structurally similar neurotransmitters) in the same brain region necessitates selective sensing. In this Viewpoint, we highlight electrochemical and optical strategies for advancing simultaneous real-time measurements of dopamine and norepinephrine transmission. The potential for DNA aptamers as recognition(More)
In this work we have designed self-assembled peptide-based microconstructs and examined their interactions with elastin and collagen for potential application as scaffolds for chondrocyte cell attachment. Being biological in nature, peptide-based nano- and microstructures have intrinsic molecular recognition properties which allow extensive chemical,(More)
LaMothe RA, Keegan M et al (2014). Generation of universal CD4 memory T cell recall peptide effective in humans and non-human primates. Vaccine 32: 2896–2903. Hatsukami DK, Jorenby DE, Gonzales D, Rigotti NA, Glover ED, Oncken CA et al (2011). Immunogenicity and smoking cessation outcomes for a novel nicotine immunotherapeutic. Clin Pharmacol Ther 89:(More)
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