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Search for dinucleon decay into pions at Super-Kamiokande
Gustafson, J.,Abe, K.,Haga, Y.,Hayato, Y.,Ikeda, M.,Iyogi, K.,Kameda, J.,Kishimoto, Y.,Miura, M.,Moriyama, S.,Nakahata, M.,Nakajima, T.,Nakano, Y.,Nakayama, S.,Orii, A.,Sekiya, H.,Shiozawa, M.,Takeda, American Physical Society 2015 PHYSICAL REVIEW D - Vol.91 No.7
Schrödinger flow near harmonic maps
Gustafson, Stephen,Kang, Kyungkeun,Tsai, Tai-Peng Interscience Publishers 2007 Communications on pure and applied mathematics Vol.60 No.4
<P>For the Schrödinger flow from ℝ<SUP>2</SUP> × ℝ<SUP>+</SUP> to the 2-sphere 𝕊<SUP>2</SUP>, it is not known if finite energy solutions can blow up in finite time. We study equivariant solutions whose energy is near the energy of the family of equivariant harmonic maps. We prove that such solutions remain close to the harmonic maps until the blowup time (if any), and that they blow up if and only if the length scale of the nearest harmonic map goes to 0. © 2006 Wiley Periodicals, Inc.</P>
Novel Natural Product Modulators of Cancer Targets, Processes, and Phenotypes
( Kirk R. Gustafson ) 전남대학교 약품개발연구소 2016 약품개발연구지 Vol.25 No.-
The NCI`s Natural Products Repository contains>220,000 extracts from taxonomically diverse marine organisms, terrestrial palnts, and microbial isolates. These extracts represent a valuable source of chemical diversity for both phenotypic and molecularly targeted high-throughput screening applications. The Molecular Targets Laboratory has successfully combined assay development experience, high-throughput screening capabilities, and natural products chemistry expertise to evaluate these extracts. Assay-guided fractionation of active extracts has provided an array of bioactive compounds that span many different structural classes. Recently, the extracts of several marine invertebrate animals have provided new heterocyclic metabolites that block activation of the HIF-1a transcription factor. These compounds represent a new structural class of alkaloid comprised of novel fused ring systems and unusual heteroatom functionality. The structural elucidation challenges associated with these proton-deficient alkaloid structures will be highlighted, along with some spectroscopic and computational methods to help address these issues. Additional new metabolites that target MALT1 protease, B-Raf kinase, and other cancer-associated targets will be described. The combination of a large, diverse library of natural product samples and new cancer-related screening platforms, provides a valuable resource for discovery of novel compounds that can serve as biological probes or potential anticancer drug development leads.
黃義珏,Gustafson, Robert L. 圓光大學校 1972 論文集 Vol.6 No.-
The task assigned was to estimate a function describing the demand for nonfood by nonfarmers(the total pupolation excluding the pupolation on farms). It was then decided to estimate also a demand functions for food and for nonfood by farmers and by the total population, the reason being partly that these functions would be of some interest and usefulness in themselves and partly that the consistency or inconsistency of the different functions with each other would provide a partial check on the validity of each of them. Thus, the objective was to obtain estimates of the following six demand relations.