Biodegradation is considered to take place throughout three stages: biodeterioration, biofragmentation
and assimilation, without neglect the participation of abiotic factors. However, most of the techniques
used by researchers in this area are inadequate to provide evidence of the final stage: assimilation. In this
review, we describe the different stages of biodegradation and we state several techniques used by some
authors working in this domain. Validate assimilation (including mineralization) is an important aspect
to guarantee the real biodegradability of items of consumption (in particular friendly environmental new
materials). Since LDPE is considered to be practically inert, efforts were made to isolate unique
microorganisms capable of utilizing LDPEs. Recent data showed that biodegradation of LDPE waste with
selected microbial strains became a viable solution. Among biological agents, microbial enzymes are one
of the most powerful tools for the biodegradation of LDPEs. Activity of biodegradation of most enzymes is
higher in fungi than in bacteria. It is important to consider fungal degradation of LDPE in order to
understand what is necessary for biodegradation and the mechanisms involved. This requires
understanding of the interactions between materials and microorganisms and the biochemical changes
involved. Widespread studies on the biodegradation of LDPEs have been carried out in order to overcome
the environmental problems associated with LDPE waste. This paper reviews the current research on the
biodegradation of LDPEs and also use of various techniques for the analysis of degradation in vitro.
Biodegradation is considered to take place throughout three stages: biodeterioration, biofragmentationand assimilation, without neglect the participation of abiotic factors. However, most of the techniquesused by researchers in this area are inadequate to provide evidence of the final stage: assimilation. In thisreview, we describe the different stages of biodegradation and we state several techniques used by someauthors working in this domain. Validate assimilation (including mineralization) is an important aspectto guarantee the real biodegradability of items of consumption (in particular friendly environmental newmaterials). Since LDPE is considered to be practically inert, efforts were made to isolate uniquemicroorganisms capable of utilizing LDPEs. Recent data showed that biodegradation of LDPE waste withselected microbial strains became a viable solution. Among biological agents, microbial enzymes are oneof the most powerful tools for the biodegradation of LDPEs. Activity of biodegradation of most enzymes ishigher in fungi than in bacteria. It is important to consider fungal degradation of LDPE in order tounderstand what is necessary for biodegradation and the mechanisms involved. This requiresunderstanding of the interactions between materials and microorganisms and the biochemical changesinvolved. Widespread studies on the biodegradation of LDPEs have been carried out in order to overcomethe environmental problems associated with LDPE waste. This paper reviews the current research on thebiodegradation of LDPEs and also use of various techniques for the analysis of degradation in vitro.
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