?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENINGKATAN+KESTABILAN+ENZIM+SELULASE+DARI+JAMUR+Aspergillus+niger+L-51+DENGAN+AMOBILISASI+MENGGUNAKAN+BENTONIT%0D%0A&rft.creator=Desi+Meriyanti%2C+1017011057&rft.subject=+&rft.description=Abstrak+Indonesia%0D%0A%0D%0APada+penelitian+ini+telah+dilakukan+amobilisasi+enzim+selulase+dari+Aspergillus+niger+L-51+menggunakan+bentonit+untuk+meningkatkan+stabilitas+enzim+tersebut.+Adapun+tahapan+yang+dilakukan+dalam+penelitian+ini+meliputi+%3A+produksi%2C+isolasi%2C+pemurnian%2C+amobilisasi+menggunakan+bentonit+dan+karakterisasi+enzim+selulase+hasil+pemurnian+sebelum+dan+setelah+amobilisasi+meliputi+penentuan+suhu+optimum%2C+nilai+KM+dan+Vmaks%2C+pengulangan+enzim+amobil+serta+uji+stabilitas+termal+enzim.+Hasil+penelitian+menunjukkan+bahwa+aktivitas+spesifik+enzim+selulase+hasil+pemurnian+20%2C9993+U%2Fmg%2C+meningkat+8%2C6+kali+dibandingkan+dengan+ekstrak+kasar+enzim+selulase+yang+mempunyai+aktivitas+spesifik+2%2C4401+U%2Fmg.+Enzim+selulase+hasil+pemurnian+mempunyai+suhu+optimum+60oC%3B+KM+%3D+38%2C368+mg%2FmL+substrat%3B+Vmaks+%3D+3%2C075+%CE%BCmol%2FmL.menit%3B+ki+%3D+0%2C037+menit-1%3B+waktu+paruh+(t1%2F2)+%3D+18+menit+dan+%CE%94Gi+%3D+103%2C914+kJ%2Fmol.++Enzim+selulase+hasil+amobilisasi+menggunakan+bentonit+mempunyai+suhu+optimum+65oC%3B+KM+%3D+12%2C764+mg%2FmL+substrat%3B+Vmaks+%3D+0%2C834+%CE%BCmol%2FmL.menit%3B+ki+%3D+0%2C036+menit-1%3B+waktu+paruh+(t1%2F2)+%3D+19+menit+dan+%CE%94Gi+%3D+103%2C991+kJ%2Fmol++Berdasarkan+penurunan+nilai+ki%2C+peningkatan+waktu+paruh+(t1%2F2)+dan+nilai+%CE%94Gi%2C+diketahui+bahwa+amobilisasi+menggunakan+bentonit+dapat+meningkatkan+stabilitas+enzim+selulase+dari+Aspergillus+niger+L-51.%0D%0A%0D%0A%0D%0AAbstract%0D%0A%0D%0AThe+aim+of+this+research+is+to+increase+the+stability+of+cellulase+from+Aspergillus+nigerL-51+using+immobilization+method+by+bentonite.+Several+procedures+were+performed+to+achieve+the+aim%2C+which+were+production%2C+isolation%2C+purification%2C+immobilization+using+bentonite+and+characterization+of+the+purified+enzyme+before+and+after+immobilization+which+include+determinations+of+optimum+temperature%2C+KM+and+Vmax.values%2C+the+repeat+use+of+immobilized+enzyme+and+thermal+stability.+The+results+showed+that+the+specific+activity+of+the+purified+cellulase+was+20.9993+U%2Fmg%2C+increased+of+8.6+times+compared+to+that+of+the+crude+extract+which+has+2.4401+U%2Fmg.+The+characters+of+purified+cellulase+were+optimum+temperature+60%CB%9AC%3B+KM+%3D+38.368+mg%2FmL+substrate%3B+Vmax.+%3D+3.075+%C2%B5mol%2FmL.min%3B+ki+%3D+0.037+min-1%3B+half-life+(t1%2F2)+%3D+18+minutesand+%E2%88%86Gi%3D+103.914+kJ%2Fmol.+Thecharacters+of+the+immobilized+cellulase+were+optimum+temperature+65%CB%9AC%3B+KM+%3D+12.764+mg%2FmL+substrate%3B+Vmax.+%3D+0.834+%C2%B5mol%2FmL.min.%3Bki+%3D+0.036+min-1%3B+half-life+(t1%2F2)+%3D+19+minutes+and+%E2%88%86Gi+%3D+103.991+kJ%2Fmol%2C+respectively.++Based+on+the+decrease+ofki+value%2C+increase+of+t1%2F2+and+%E2%88%86Gi%2C+it+is+proven+that+the+immobilization+method+could+be+used+to+increase+the+stability+of+cellulase.&rft.publisher=FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM&rft.date=2014-09-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F1%2FABSTRACT.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F2%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F3%2FCOVER%2520DALAM.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F4%2FCOVER%2520LUAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F9%2FHALAMAN%2520PERSETUJUAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F8%2FHALAMAN%2520PENGESAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F12%2FRIWAYAT%2520HIDUP.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F10%2FMOTO.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F11%2FPERSEMBAHAN.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F13%2FSANWACANA.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F6%2FDAFTAR%2520ISI.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F7%2FDAFTAR%2520TABEL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F5%2FDAFTAR%2520GAMBAR.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F14%2FBAB%2520I.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F15%2FBAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F16%2FBAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F17%2FBAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F18%2FBAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F19%2FDAFTAR%2520PUSTAKA.pdf&rft.identifier=++Desi+Meriyanti%2C+1017011057++(2014)+PENINGKATAN+KESTABILAN+ENZIM+SELULASE+DARI+JAMUR+Aspergillus+niger+L-51+DENGAN+AMOBILISASI+MENGGUNAKAN+BENTONIT.++FAKULTAS+MATEMATIKA+DAN+ILMU+PENGETAHUAN+ALAM%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F3579%2F