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Articles 63631 - 63660 of 294557
Full-Text Articles in Physical Sciences and Mathematics
Recent Progress In Biopolymer-Based Hydrogel Materials For Biomedical Applications., Ayaz Mahmood, Dev Patel, Brandon Hickson, John Desrochers, Xiao Hu
Recent Progress In Biopolymer-Based Hydrogel Materials For Biomedical Applications., Ayaz Mahmood, Dev Patel, Brandon Hickson, John Desrochers, Xiao Hu
College of Science & Mathematics Departmental Research
Hydrogels from biopolymers are readily synthesized, can possess various characteristics for different applications, and have been widely used in biomedicine to help with patient treatments and outcomes. Polysaccharides, polypeptides, and nucleic acids can be produced into hydrogels, each for unique purposes depending on their qualities. Examples of polypeptide hydrogels include collagen, gelatin, and elastin, and polysaccharide hydrogels include alginate, cellulose, and glycosaminoglycan. Many different theories have been formulated to research hydrogels, which include Flory-Rehner theory, Rubber Elasticity Theory, and the calculation of porosity and pore size. All these theories take into consideration enthalpy, entropy, and other thermodynamic variables so that …
Design Of Broadband Helmholtz Resonator Arrays Using The Radiation Impedance Method, Vidhya Rajendran, Andy Piacsek, Tomás Méndez Echenagucia
Design Of Broadband Helmholtz Resonator Arrays Using The Radiation Impedance Method, Vidhya Rajendran, Andy Piacsek, Tomás Méndez Echenagucia
All Faculty Scholarship for the College of the Sciences
This paper describes the design process of a low-frequency sound absorptive panel composed of differently tuned Helmholtz resonators (HRs), considering size and fabrication constraints relevant for applications in the building sector. The paper focuses on cylindrical and spiral resonators with embedded necks that are thin and can achieve high absorption. the mutual interaction between the resonators was modeled based on the radiation impedance method and it plays a key component in enhancing the absorption performance of the array. The differential evolution search algorithm was used to design the resonators and modify their mutual interaction to derive the absorption performance of …
Mgrre_Thinsections_Mgrre-81_7, Mgrre
Mgrre_Thinsections_Mgrre-82_1, Mgrre
Mgrre_Thinsections_Mgrre-80_1, Mgrre
Mgrre_Thinsections_Mgrre-80_2, Mgrre
Mgrre_Thinsections_Mgrre-80_3, Mgrre
Mgrre_Thinsections_Mgrre-80_6, Mgrre
Mgrre_Thinsections_Mgrre-80_7, Mgrre
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Mgrre_Thinsections_Mgrre-80_9, Mgrre
Mgrre_Thinsections_Mgrre-80_4, Mgrre
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Mgrre_Thinsections_Mgrre-80_17, Mgrre
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Mgrre_Thinsections_Mgrre-80_19, Mgrre
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Mgrre_Thinsections_Mgrre-80_22, Mgrre
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Mgrre_Thinsections_Mgrre-80_25, Mgrre
Mgrre_Thinsections_Mgrre-81_1, Mgrre
Mgrre_Thinsections_Mgrre-80_21, Mgrre