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Semi-wet peptide/protein array using supramolecular hydrogel
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TLDR
A novel semi-wet peptide/protein microarray using a supramolecular hydrogel composed of glycosylated amino acetate that overcomes several drawbacks of conventional protein chips, and thus can have potential applications in pharmaceutical research and diagnosis.Abstract:
The protein microarray is a crucial biomaterial for the rapid and high-throughput assay of many biological events where proteins are involved. In contrast to the DNA microarray, it has not been sufficiently established because of protein instability under the conventional dry conditions. Here we report a novel semi-wet peptide/protein microarray using a supramolecular hydrogel composed of glycosylated amino acetate. The spontaneous gel-formation and amphiphilic properties of this supramolecular hydrogel have been applied to a new type of peptide/protein gel array that is compatible with enzyme assays. Aqueous cavities created in the gel matrix are a suitable semi-wet reaction medium for enzymes, whereas the hydrophobic domains of the fibre are useful as a unique site for monitoring the reaction. This array system overcomes several drawbacks of conventional protein chips, and thus can have potential applications in pharmaceutical research and diagnosis.read more
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High-water-content mouldable hydrogels by mixing clay and a dendritic molecular binder
Qigang Wang,Justin L. Mynar,Masaru Yoshida,Eunji Lee,Myongsoo Lee,Kou Okuro,Kazushi Kinbara,Takuzo Aida +7 more
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References
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Functional Characterization of the S. cerevisiae Genome by Gene Deletion and Parallel Analysis
Elizabeth A. Winzeler,Daniel D. Shoemaker,Anna Astromoff,Hong Liang,Keith Anderson,Bruno André,Rhonda Bangham,Rocío Benito,Jef D. Boeke,Howard Bussey,Angela M. Chu,Carla Connelly,Karen Davis,Fred S. Dietrich,Sally Dow,Mohamed El Bakkoury,Françoise Foury,Stephen H. Friend,Erik Gentalen,Guri Giaever,Johannes H. Hegemann,Ted Jones,Michael T. Laub,Hong Liao,Nicole Liebundguth,David J. Lockhart,Anca Lucau-Danila,Marc Lussier,Nasiha M'Rabet,Patrice Menard,Michael Mittmann,Chai Pai,Corinne Rebischung,José L. Revuelta,Linda Riles,Christopher J. Roberts,Petra Ross-Macdonald,Bart Scherens,Michael Snyder,Sharon Sookhai-Mahadeo,Reginald Storms,Steeve Veronneau,Marleen Voet,Guido Volckaert,Teresa R. Ward,Robert W. Wysocki,Grace Yen,Kexin Yu,Katja Zimmermann,Peter Philippsen,Mark Johnston,Ronald W. Davis +51 more
TL;DR: A total of 6925 Saccharomyces cerevisiae strains were constructed, by a high-throughput strategy, each with a precise deletion of one of 2026 ORFs (more than one-third of the ORFs in the genome), finding that 17 percent were essential for viability in rich medium.
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