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Building on the triple helix model, the quadruple helix model adds a fourth component to the framework of interactions between university, industry and government: the public, consisting of civil society and the media. [3] [20] It was first suggested in 2009 by Elias G. Carayannis and David F.J. Campbell. [21]
The quadruple and quintuple innovation helix framework was co-developed by Elias G. Carayannis and David F.J. Campbell, with the quadruple helix being described in 2009 [3] [4] and the quintuple helix in 2010. [4] [5] Various authors were exploring the concept of a quadruple helix extension to the triple helix model of innovation around the ...
The thermal stabilization is also hindered when the hydroxyl group has the wrong configuration. Due to the high abundance of glycine and proline contents, collagen fails to form a regular α-helix and β-sheet structure. Three left-handed helical strands twist to form a right-handed triple helix. [5] A collagen triple helix has 3.3 residues per ...
Leydesdorff's research interests were in the fields of the philosophy of science, social network analysis, scientometrics, and the sociology of innovation.His studies in communication in science, technology, and innovation enabled him to specify theory and methods for understanding the dynamics of knowledge-based development.
Triple-stranded DNA (also known as H-DNA or Triplex-DNA) is a DNA structure in which three oligonucleotides wind around each other and form a triple helix. In triple-stranded DNA, the third strand binds to a B-form DNA (via Watson–Crick base-pairing ) double helix by forming Hoogsteen base pairs or reversed Hoogsteen hydrogen bonds.
the first has somehow, in some way, been my best year yet. So, as I often say to participants in the workshop, “If a school teacher from Nebraska can do it, so can you!”
The collagen triple helix is a triple helix formed from three separate protein helices, spiraling around the same axis. In the fields of geometry and biochemistry, a triple helix (pl.: triple helices) is a set of three congruent geometrical helices with the same axis, differing by a translation along the axis. This means that each of the ...
The general FACIT collagen structure contains short triple helical COL domains (COL1, COL2, COL3) interrupted by NC domains with an N-terminal NC domain facing toward the interfibrillar space. [5] FACIT collagen is found in various tissue areas to modulate the surface properties of collagen fibrils and generate tissue-specific three-dimensional ...