Alternatives to biocides

Patricia Moreira, Rob Pullar and Nádia Silva are developing bionanomaterials such as chitosan (see: https://www.researchgate.net/project/BIONANOSCULP-Development-of-BIONANOmaterials-for-anti-microbial-coating-of-metal-and-stone-based-outdoor-SCULPtures ). At the Middelheim in Belgium, the museum is using microcristalised wax for protecting bronze statues

From Andrew Thorn on Facebook: "Have had very good results [on] outdoor stone with ethanol and isopropanol. This technique has been developed in Sweden and used there for longer. Suppression is equal, if not better than, metal based approaches. Also have used hydrophobic treatments in some circumstances."

From Marcin Babel on Facebook: "Steam can be used but not for all stones."

There is an alternative to biocide. Microbes or their products such as enzyme can be used. They are safe and have no side effect on the heritage material. However, before any microbe or its product is used, its potency is tested and evaluated in the laboratory.

If there is no sustainability or energy in your opinion or discussion that you made than your opinion have no worth. Adjacent to writemypapers you can pick different topics from different webs in order to make discussions.

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