?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=BIOKONVERSI+SELULOSA+PADA+AMPAS+TEBU+(Bagasse)+MENJADI+NANOKOMPOSIT+HIDROGEL+DENGAN+MEMANFAATKAN+ENZIM+HIDROLITIK+DARI+INDIGENOUS+COMPOSTING+Actinomycetes++&rft.creator=OLIVIA+NOVIANTI%2C++1817011051&rft.subject=001+Ilmu+pengetahuan&rft.description=Ampas++tebu++yang++dihasilkan++dari++proses++produksi++pada++industri++gula%2C++sangat+melimpah+di+Indonesia.++Ampas+tebu++merupakan++biomassa+berlignoselulosa++yang+memiliki++kandungan++yang++terdiri++dari++hemiselulosa%2C++selulosa%2C++dan++lignin++yang+memiliki++potensi++sebagai++bahan++baku++alternatif++selulosa++untuk++dimanfaatkan+menjadi++produk++berharga++sebagai++bahan++sediaan++obat.++++Tujuan++dilakukan+penelitian+ini+untuk+menambah+alternatif+pemanfaatan+limbah+ampas+tebu+dengan+cara+mengonversi+ampas+tebu+menjadi+produk+nanokomposit+selulosa.++Penelitian+ini++dilakukan++perlakuan++awal++terhadap++ampas++tebu++dengan++asam++sulfat%3B+pretreatment++oleh++isolat++Actinomycetes++terpilih%3B++analisis++X-Ray++Diffraction(XRD)+dan++konversi++selulosa++menjadi++nanokomposit++hidrogel.++++Konversi++dilakukan+melalui++metode++pencangkokan++dan++penautan-silang++nanokomposit++selulosa+menggunakan++akrilamida++sebagai++monomer%2C++ammonium++persulfat++sebagai+inisiator%2C++dan++N%2CN-metilen-bis++akrilamida++sebagai++pengikat++silang.++++Hasil++analisis+komponen++biomassa++ampas++tebu++menunjukkan++bahwa++ampas++tebu++mengandung+28%2C44%25++lignin%3B++48%2C08%25++selulosa%3B++dan++23%2C48%25++senyawa++lainnya.++Isolat+Actinomycetes++terpilih++dengan++kode++++Act-4++memiliki++indeks++xilanolitik++sebesar+1%2C29++yang++digunakan++sebagai++agen++bio-pretreatment.++++Indeks++kristalinitas++dari+ampas++tebu++setelah++pretreatment++sebesar++54%2C64%25.++++Nanoselulosa++yang++dihasilkan+untuk++ukuran++rata-rata++yaitu++sebesar++49%2C92++nm.++Reaksi++kopolimerisasi++berupa+nanokomposit++hidrogel++kemudian++dikarakterisasi++menggunakan++Fourier+Transform++Infrared++Spectroscopy++(FTIR).++++Hidrogel++mampu++menyerap++air+mencapai++3022%25++pada++suhu++ruang.++++Hasil++analisis++FTIR++dari++hidrogel+menunjukkan++keberhasilan++dari++reaksi++kopolimerisasi++dibuktikan++dengan+terbentuknya+puncak+pada+bilangan+gelombang+1647+cm-1+yang+merupakan+gugus+C%3DO.++++Hidrogel++yang++diinfuskan++antibiotik++amoksisilin++mampu++menghambat+pertumbuhan++bakteri++Escherichia++coli++ATCC++25922++dan++Staphylococcus++aureus+ATCC+25923.++Berdasarkan+hasil+penelitian+ini+disimpulkan+bahwa+nanokomposit+hidrogel+memiliki+potensi+untuk+aplikasi+sebagai+bahan+sediaan+obat.++++Kata+kunci%3A+Ampas+tebu%2C+Pretreatment%2C+Actinomycetes%2C+kopolimerisasi%2C+nanokomposit+hidrogel%2C+Escherichia+coli%2C+Staphylococcus+aureus%0D%0A%0D%0A+Bagasse%2C++produced++from++the++sugar++industry's++production++process%2C++is++abundant++in+Indonesia.++Bagasse++is++a++lignocellulosic++biomass++that++contains++hemicellulose%2C+cellulose%2C++and++lignin%2C++which++has++the++potential++as++an++alternative++raw++material++for+cellulose++to++be++used++as++a++valuable++product++as++a++medicinal++preparation.++This+research++aimed++to++add++alternative++utilization++of++bagasse++waste++by++converting+bagasse++into++cellulose++nanocomposite++products.++In++this++research%2C++pretreatment++of+bagasse++with++sulfuric++acid++was++carried++out%3B++pretreatment++by++selected+Actinomycetes++isolates%3B++X-Ray++Diffraction++(XRD)++analysis++and++conversion++of+cellulose++into++hydrogel++nanocomposites.++The++conversion++was++carried++out++by+grafting++and++cross-linking++cellulose++nanocomposites++using++acrylamide++as++the+monomer%2C++ammonium++persulfate++as++the++initiator%2C++and++N%2C++N-methylene-+bisacrylamide++as++the++crosslinker.++The++analysis++of++the++components++of++bagasse+biomass++showed++that++bagasse++contained++28.44%25++lignin%2C++48.08%25++cellulose%2C++and+23.48%25++other++compounds.++Selected++Actinomycetes++isolates++with++the++code++Act-4+have++a++xylanolytic++index++of++1.29++which++is++used++as++a++bio-pretreatment++agent.++The+crystallinity++index++of++bagasse++after++pretreatment++was++54.64%25.++The++resulting+nanocellulose+has+an+average+size+of+49.92+nm.+The+copolymerization+reaction+in+the++form++of++a++hydrogel++nanocomposite++was++then++characterized++using++Fourier+Transform++Infrared++Spectroscopy++(FTIR).++The++hydrogel++can++absorb++water++up++to+3022%25++at++room++temperature.++The++results++of++the++FTIR++analysis++of++the++hydrogels+indicated++the++success++of++the++copolymerization++reaction++as++evidenced++by++the+formation++of++a++peak++at++wave++number++1647++cm-1%2C++which++is++the++C%3DO++group.++The+hydrogel++infused++with++the++antibiotic++amoxicillin++inhibited++the++growth++of+Escherichia+coli+ATCC+25922+and+Staphylococcus+aureus+ATCC+25923.+Based+on+the++results++of++this++study%2C++it++concluded++that++hydrogel++nanocomposites++have++the+potential+for+application+as+medicinal+preparations.++Keywords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