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PROJECT OVERVIEW
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The Problem: Salt crusts
The formation of detrimental crusts caused by the enrichment
of salts and biopatina is a very real problem in European
cities and urbanised developments. The problem originates
from the coincidence of sustained economic development
growth and industrialisation with the location of an important
part of the world's cultural inheritance. It is only through
a European initiative that rapid action can be brought
to bear on this serious problem, by simultaneous application
of remedial measures across the EU. |
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BIOBRUSH: Scientific Objectives
The aim of BIOBRUSH is to devise a biotechnology tool
based on bioremediation. Selected microorganisms will
be applied to stone samples both in the laboratory and
in situ. Risk assessment will be made and in cooperation
with conservators and the industry a tool for use in
conservation practice will be developed. Risks/benefits
for heritage objects (aesthetic consequences, reversibility,
durability), the environment and end-users (health problems,
aerosols) will be assessed in consultation with industry
and conservators, to seek opinion and ensure that the
research outcomes influence conservation policies and
practice.
Research Strategy
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A Solution: Bioremediation
The novel approach of the BIOBRUSH project is to use
bacteria to link the mineralisation processes which
remove stone crusts to the consolidation phenomenon
of calcification. The project aim is to utilise the
bacteria carrying out these processes by applying them
directly to stone surfaces using techniques that are
safe and environment-friendly. It will supplement, not
replace existing conservation technologies, which can
often be ineffective or toxic to end-users or the environment,
and establish the limitations of bioremediation in conservation
practice.
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