8 000 000 the peo provides film formation water retention binding lubricity and thickening benefits along with these benefits peo is also beneficial due to its solubility in water ethanol toluene acetone chloroform methylene and chloride in one embodiment a small portion of dichloromethane is added to the sol gel solution in order to aid the solubility of peo the metal alkoxide may include magnesium alkoxide and or titanium alkoxide in one embodiment the sol gel solution comprises 4 mda polyethylene oxide acetic acid magnesium methoxide methanol and dichloromethane in another embodiment the sol gel solution comprises 4 mda polyacrylic acid acetic acid magnesium methoxide and methanol in another embodiment the sol gel solution comprises an alkoxide precursor in a non aqueous solvent this precursor may be but limited to the follow precursor magnesium methoxide titanium isopropoxide and tetraethyl orthosilicate a polymer such as polyvinylpyrrolidinone and or polyethylene oxide to the solution may be added to improve mechanical properties of metal oxide membranes referring to fig1 a voltage generator 3 is connected to the needle 5 and an electrode collector 4 that collects product nanofibers the electrospinning process occurs in an environment controlled chamber 6 e g controlled pressure temperature and or humidity in one embodiment a humidifier 7 may be used to maintain the humidity in a desired level when the voltage generator 3 applies a voltage e g 5 20 kv to the sol gel solution a.