There are about 40 phonemes, or sound units, in English, thanks to the many ways that the 26 letters of the alphabet can be used and arranged. For instance, the phoneme or sound /f/ can be spelled using the letters f, ff, or ph.
(January 2017) A biointerface is the region of contact between a biomolecule, cell, biological tissue or living organism or organic material considered living with another biomaterial or inorganic/organic material. The motivation for biointerface science stems from the urgent need to increase the understanding of interactions between biomolecules and surfaces.
Biofiltration is a pollution control technique using living material to capture and biologically degrade pollutants. Common uses include processing waste water, capturing harmful chemicals or silt from surface runoff, and microbiotic oxidation of contaminants in air.iofiltration is thus usually referred to as a fixedâfilm process. Generally, the biofilm is formed by a community of different microorganisms (bacteria, fungi, yeast, etc.), macro-organisms (protozoa, worms, insectâs larvae, etc.) and extracellular polymeric substances (EPS) (Flemming and Wingender, 2010).