Mussel Mac OS

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Coastal wetlands perform valuable functions by protecting shorelines from floodwaters and storm surges, providing habitats for marine species, and improving local water quality. Unfortunately, over half of the area of global wetlands has been lost over the past century. Locally, in Jamaica Bay (Queens, NY), loss of wetlands has exceeded 98%. Restoration of Jamaica Bay marshes began in 2003. The model is suitable for simulating mussel densities at-a-site. It was originally developed to test the hypothesis that increased sediment loads in Minnesota Rivers are a plausible cause of observed mussel population declines. Unix, Linux, Mac OS, Windows Other platform Programming language Matlab Other program language Code optimized. I measured a correlation between the habitat of a freshwater mussel, Lampsilis radiata siliquoidea (Barnes 1823), and its shell morphology and growth rate. I then tried to determine the source of morphological and growth rate variation (environmental or genetic), and whether or not the phenotype/habitat correlation was due to differential adaptation.;Morphometric and annual ring analysis of.

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Michigan Tech Publications

Document Type

Article

Publication Date

9-25-2019

Department

Department of Biomedical Engineering, Department of Chemistry, Department of Electrical and Computer Engineering, Department of Chemical Engineering

Abstract

A simple two-step, shaking-assisted polydopamine (PDA) coating technique was used to impart polypropylene (PP) mesh with antimicrobial properties. In this modified method, a relatively large concentration of dopamine (20 mg ml⁻¹) was first used to create a stable PDA primer layer, while the second step utilized a significantly lower concentration of dopamine (2 mg ml⁻¹) to promote the formation and deposition of large aggregates of PDA nanoparticles. Gentle shaking (70 rpm) was employed to increase the deposition of PDA nanoparticle aggregates and the formation of a thicker PDA coating with nano-scaled surface roughness (RMS = 110 nm and Ra = 82 nm). Cyclic voltammetry experiment confirmed that the PDA coating remained redox active, despite extensive oxidative cross-linking. When the PDA-coated mesh was hydrated in phosphate saline buffer (pH 7.4), it was activated to generate 200 μM hydrogen peroxide (H₂O₂) for over 48 h. The sustained release of low doses of H₂O₂ was antibacterial against both gram-positive (Staphylococcus epidermidis) and gram-negative (Escherichia coli) bacteria. PDA coating achieved 100% reduction (LRV ~3.15) when incubated against E. coli and 98.9% reduction (LRV ~1.97) against S. epi in 24 h.

Recommended Citation

The song of the fae mac os. Kord Fooroshani, P., Polega, E., Thomson, K., Bhuiyan, M. S., Pinnaratip, R., Trought, M., Kendrick, C. E., Gao, Y., Perrine, K., Pan, L., & Lee, B. P. (2019). Antibacterial properties of mussel-inspired polydopamine coatings prepared by a simple two-step shaking-assisted method. Frontiers in Chemistry, 7, 1-15. http://doi.org/10.3389/fchem.2019.00631
Retrieved from: https://digitalcommons.mtu.edu/michigantech-p/830

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Muscle Macros Chatsworth

Muscle Macros

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