black/antibacterial

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Studies of black silicon and black diamond as materials for antibacterial surfaces.

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'Black silicon' (bSi) samples with surfaces covered in nanoneedles of varying length, areal density and sharpness, have been fabricated using a plasma etching process. These nanostructures were then coated with a conformal uniform layer of diamond using hot filament chemical vapour deposition to

Designing Photocatalytic Nanostructured Antibacterial Surfaces: Why is Black Silica Better Than Black Silicon?

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The efficiency of photocatalytic antibacterial surfaces is limited by the absorption of light in it. Light absorption in photocatalytic surfaces can be enhanced by structuring it, leading to increased generation of reactive oxygen species (ROS) and hence improved bactericidal efficacy. A second,

Bactericidal activity of black silicon.

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Black silicon is a synthetic nanomaterial that contains high aspect ratio nanoprotrusions on its surface, produced through a simple reactive-ion etching technique for use in photovoltaic applications. Surfaces with high aspect-ratio nanofeatures are also common in the natural world, for example, the

Antinociceptive and Antibacterial Properties of Anthocyanins and Flavonols from Fruits of Black and Non-Black Mulberries.

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Anthocyanins and flavones are important pigments responsible for the coloration of fruits. Mulberry fruit is rich in anthocyanins and flavonols, which have multiple uses in traditional Chinese medicine. The antinociceptive and antibacterial activities of total flavonoids (TF) from black mulberry

Antibacterial mechanism and activities of black pepper chloroform extract.

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Black pepper extracts reportedly inhibit food spoilage and food pathogenic bacteria. This study explored the antimicrobial activity of black pepper chloroform extract (BPCE) against Escherichia coli and Staphylococcus aureus. The antibacterial mechanism of BPCE was elucidated by analyzing the cell

TEM Studies on Antibacterial Mechanisms of Black Phosphorous Nanosheets

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Purpose: Recently, two-dimensional (2D) nanomaterials are gaining tremendous attention as novel antibacterial platforms to combat against continuously evolving antimicrobial resistance levels. Among the family of 2D nanomaterials, black

Antibacterial sphingolipid and steroids from the black coral Antipathes dichotoma.

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From the black coral Antipathies dichotoma, a sphingolipid (2S*,3S*,4E,8E)-2N-[tetradecanoyl]-4(E),8(E)-icosadiene-1,3-diol (1) and a steroid (22E)-methylcholesta-5,22-diene-1α,3β,7α-triol (2) were isolated. Other known compounds, 3β,7α-dihydroxy-cholest-5-ene (3),

New solvent-stabilized few-layer black phosphorus for antibacterial applications.

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Discovering highly efficient, environmentally friendly, and low-cost exfoliating media that can both disperse and protect black phosphorus (BP) remains a challenge. Herein, we demonstrate such a new molecule, N,N'-dimethylpropyleneurea (DMPU), for effective exfoliation and dispersion of

Nanocopper-loaded Black phosphorus nanocomposites for efficient synergistic antibacterial application.

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Novel nanocopper-loaded black phosphorus (BP/Cu) nanocomposites were synthesized to synergistically exert enhanced antibacterial activities aimed at reducing antibiotics abuse. First, both BP and Cu display low biotoxicity, broadening their application in the microbiological field. Second, the

Antibacterial activity of black myrobalan (Terminalia chebula Retz) against Helicobacter pylori.

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The effect of ether, alcoholic and water extracts of black myrobalan (Teminalia chebula Retz) on Helicobactor pylori were examined using an agar diffusion method on Columbia Agar. Water extracts of black myrobalan showed significant antibacterial activity and had a minimum inhibitory concentration

Influence of nanoscale topology on bactericidal efficiency of black silicon surfaces.

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The nanostructuring of materials to create bactericidal and antibiofouling surfaces presents an exciting alternative to common methods of preventing bacterial adhesion. The fabrication of synthetic bactericidal surfaces has been inspired by the anti-wetting and anti-biofouling properties of insect

A black phosphorus based synergistic antibacterial platform against drug resistant bacteria.

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In the fight against pathogenic bacteria, traditional antibiotic therapy is challenged by low efficiency and drug resistance. These drawbacks motivate the development of synergistic antibacterial therapy, but there is a lack of efficient synergistic platforms. Herein, with methicillin-resistant

Functional black phosphorus nanosheets for cancer therapy.

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Black phosphorus nanosheets (BP NSs), a kind of attractive two-dimensional materials, have been widely used in optoelectronics, transistors and photocatalysis. Recently, growing interest has been attracted to explore the application of BP NSs for cancer therapy in view of their unique properties. BP

Bacterial toxicity of exfoliated black phosphorus nanosheets.

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Newly emerged two-dimensional material, black phosphorus (BP) shows promising applications in many fields owing to its superior properties. Despite the biological effects of BP were studied, its environmental impacts have not yet received enough attention. In this study, the bacterial toxicity of

Identifying Antibacterial Compounds in Black Walnuts (Juglans nigra) Using a Metabolomics Approach.

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Black walnut (Juglans nigra L.) is one of the most economically valuable hardwood species and a high value tree for edible nut production in the United States. Although consumption of black walnut has been linked to multiple health-promoting effects (e.g., antioxidant, antimicrobial,

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