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7 results for “modular production”
Architectural Feature Re-Modularization for Software Product Line Evolution
<p>Extensive maintenance leads to the Software Product Line Architecture<br> (PLA) degradation over time. When there is the need of<br> evolving the Software Product Line (SPL) to include new features,<br> or move to a new platform, a degraded PLA requires considerable<br> effort to understand and modify, demanding expensive refactoring<br> activity. In the state of the art, search-based algorithms are used to<br> improve PLA at package level. However, recent studies have shown<br> that the most variability and implementation details of an SPL are<br> described in the level of classes. There is a gap between existing<br> approaches and existing practical needs. In this work, we extend<br> the current state of the art to deal with feature modularization in<br> the level of classes by introducing a new search operator and a set<br> of objective functions to deal with feature modularization in a finer<br> granularity of the architectural elements, namely at class level. We<br> evaluated the proposal in an exploratory study with a PLA widely<br> investigated and a real-world PLA. The results of quantitative and<br> qualitative analysis point out that our proposal provides solutions<br> to properly re-modularize features in a PLA, being preferred by<br> practitioners, in order to support the evolution of SPLs.</p>
Data for: Modular environmental and economic assessment applied to the production of Hermetia illucens
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Architectural Feature Re-Modularization for Software Product Line Evolution
<p>Extensive maintenance leads to the Software Product Line Architecture<br> (PLA) degradation over time. When there is the need of<br> evolving the Software Product Line (SPL) to include new features,<br> or move to a new platform, a degraded PLA requires considerable<br> effort to understand and modify, demanding expensive refactoring<br> activity. In the state of the art, search-based algorithms are used to<br> improve PLA at package level. However, recent studies have shown<br> that the most variability and implementation details of an SPL are<br> described in the level of classes. There is a gap between existing<br> approaches and existing practical needs. In this work, we extend<br> the current state of the art to deal with feature modularization in<br> the level of classes by introducing a new search operator and a set<br> of objective functions to deal with feature modularization in a finer<br> granularity of the architectural elements, namely at class level. We<br> evaluated the proposal in an exploratory study with a PLA widely<br> investigated and a real-world PLA. The results of quantitative and<br> qualitative analysis point out that our proposal provides solutions<br> to properly re-modularize features in a PLA, being preferred by<br> practitioners, in order to support the evolution of SPLs.</p>
Figure 3 from: Molino J, Lubiana Alves T, Ferreira-Camargo L, Croce M, Tanaka A, Buson F, Ribeiro P, Campos-Salazar A, Antonio E, Maizel A, Siratuti V, Costa C, Wlodarczyk S, de Souza Lima R, Mello F, Mayfield S, Carvalho J (2016) Chimeric spider silk production in microalgae: a modular bionanomaterial. Research Ideas and Outcomes 2: e9342. https://doi.org/10.3897/rio.2.e9342
Figure 3 - Cassette construction to be inserted in C. renhardtii nuclear genome for the expression of desired proteins. Promoter hsp70A/rbcs2: fusion of the promoters hsp70A and rbcs2 (Eichler-Stahlberg et al. 2009, Schroda et al. 2000). Sh-Ble: gene that gives resistance to Zeomycin. 2A: self-cleavage peptide obtained from Foot and Mouth Disease Virus (FMDV) (Rasala et al. 2012). PS: Secretion signal peptide of the gene Ars1. GOI: gene of interest coding the proteins to be used in the project. His: coding sequence of six histidines (histidine tag). RbcS2 3'UTR: terminal sequence (untranslated region) of the gene RbcS2 (Fuhrmann et al. 1999)
Figure 1 from: Molino J, Lubiana Alves T, Ferreira-Camargo L, Croce M, Tanaka A, Buson F, Ribeiro P, Campos-Salazar A, Antonio E, Maizel A, Siratuti V, Costa C, Wlodarczyk S, de Souza Lima R, Mello F, Mayfield S, Carvalho J (2016) Chimeric spider silk production in microalgae: a modular bionanomaterial. Research Ideas and Outcomes 2: e9342. https://doi.org/10.3897/rio.2.e9342
Figure 1 - Project overview. Schematic representation of spider web structure from macro to nano scale. A representation of: enzybiotic protein from a bacteriophage; a spider silk protein with repetitive domains and N and C terminals; host expression system Chlamydomonas reinhardtii and a chimeric protein envisioned in this project; and the final product, a biopatch produced from recombinant silk proteins and chimeric proteins.
Figure 2 from: Molino J, Lubiana Alves T, Ferreira-Camargo L, Croce M, Tanaka A, Buson F, Ribeiro P, Campos-Salazar A, Antonio E, Maizel A, Siratuti V, Costa C, Wlodarczyk S, de Souza Lima R, Mello F, Mayfield S, Carvalho J (2016) Chimeric spider silk production in microalgae: a modular bionanomaterial. Research Ideas and Outcomes 2: e9342. https://doi.org/10.3897/rio.2.e9342
Figure 2 - Schematic representation of spider silk proteins and chimeric protein. A: MaSp1 - Major ampullate spidroin 1, MaSp2 - Major ampullate spidroin 2 B: Chimeric protein of a enzybiotic with N and C terminals domains of spider silk proteins.
Figure 4 from: Molino J, Lubiana Alves T, Ferreira-Camargo L, Croce M, Tanaka A, Buson F, Ribeiro P, Campos-Salazar A, Antonio E, Maizel A, Siratuti V, Costa C, Wlodarczyk S, de Souza Lima R, Mello F, Mayfield S, Carvalho J (2016) Chimeric spider silk production in microalgae: a modular bionanomaterial. Research Ideas and Outcomes 2: e9342. https://doi.org/10.3897/rio.2.e9342
Figure 4 - Experimental Flowchart. (A) Wild Cells incubated with built vectors. (B) Wild-cell transformation by electroporation. (C) Selection of mutants resistant to Zeocin. (D) Screening of antibiotic resistant cells by PCR. (E) Cultivation of PCR positive cells. (F) Fractions to be tested for the presence of recombinant proteins. (G) Detection of recombinant proteins present in the fractions by Western Blot. (H) Protein Purification. (I) Quantification via ELISA. (J) Spider silk polymerization reaction.
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