Items where Author is "Chrisnasari, Ruth"

Chrisnasari, Ruth and Ewing, Tom A. and Hennebelle, Marie and van Berkel, Willem J. H. and Vincken, Jean-Paul (2024) Versatile ferrous oxidation–xylenol orange assay for high‑throughput screening of lipoxygenase activity. Applied Microbiology and Biotechnology, 108 (266).

Riadi, Lieke and Agustin, Yuana Elly and Chrisnasari, Ruth and Kok, Tjie and Sanoe, Meyta (2023) Dissolved oxygen on xylanase production by Trichoderma reesei using Reutalis trisperma press cake as an additional substrate. Asia Pacific Journal of Molecular Biology and Biotechnology (APJMBB), 31 (2). pp. 109-116. ISSN 0128-7451, eISSN:2672-7277

Erawati, Christina Mumpuni and Chrisnasari, Ruth and Soni, Peeyush (2023) The Effect of Pod Storage on Chemical and Microbiological Characteristics of Organic and Non–organic Balinese Cacao Pulps. E3S Web of Conferences, Volume 374, The 3rd International Conference on Natural Resources and Life Sciences (NRLS) 2020, 374 (00007). ISSN 2267-1242

Chrisnasari, Ruth and Sutanto, Liony Priscilla and Paulina, Dian and Wahjudi, Alicia and Pantjajani, Tjandra (2023) Thermostable Chitinase Producing Bacterium from Ijen Hot Spring – Indonesia: Isolation, Identification, and Characterization. E3S Web of Conferences, Volume 374, The 3rd International Conference on Natural Resources and Life Sciences (NRLS) 2020, 374 (00032). ISSN 2267-1242

Universitas Surabaya (2023) Proses Sintesa Dan Purifikasi Xylanase Dari Reutealis Trisperma (Kemiri Sunan) Dengan Trichoderma Reesei. IDS000005548.

Chrisnasari, Ruth and Hennebelle, Marie and Vincken, Jean-Paul and Berkel, Willem J.H. van and Ewing, Tom A. (2022) Bacterial lipoxygenases: Biochemical characteristics, molecular structure and potential applications. Biotechnology Advances, 61. p. 108046. ISSN Online 1873-1899, Print ISSN 0734-9750

LPPM Universitas Surabaya (UBAYA) (2022) Biosensor DNA Untuk Mendeteksi Bakteri E. Coli Pada Sampel Pangan Dengan Nanopartikel Perak Berbasis Spektroskopi UV-VIS. IDP000082719.

Riadi, Lieke and Chrisnasari, Ruth and Kristanto, Joshua and Bigravida, Cahaya Caesar and Sanoe, Meyta (2022) Immobilization of xylanase on acid pretreatment bentonite as green biocatalyst. In: AIP Conference Proceedings 2470, 3rd BIANNUAL INTERNATIONAL CONFERENCE ON INFORMATICS, TECHNOLOGY, AND ENGINEERING 2021 (InCITE 2021): Leveraging Smart Engineering, 25–26 August 2021, Surabaya, Indonesia (Online).

Universitas Surabaya (2021) Regulasi Ekspresi Gen Eukariot. EC00202119149.

Universitas Surabaya (2021) Regulasi Ekspresi Gen Prokariot. EC00202119150.

Universitas Surabaya (2021) Application Of Molecular Analysis In Food Industry. EC00202118732.

Universitas Surabaya (2021) Application of Molecular Method in Food Industry. EC00202118733.

Universitas Surabaya (2021) Organisasi Genom & Replikasi DNA. EC00202118734.

Universitas Surabaya (2021) Transkripsi. EC00202118735.

Universitas Surabaya (2020) Enzyme As Biological Catalyst. EC00202038794.

Universitas Surabaya (2020) Reaksi Biokimia pada Asam Nukleat. EC00202038795.

Widi, Restu Kartiko and Chrisnasari, Ruth and Budhyantoro, Arief and Christie, Stephanie Devina (2020) Immobilization of glucose oxidase on acid activated-bentonite and its performance examination. UPB Scientific Bulletin, Series B: Chemistry and Materials Science, 82 (3). pp. 113-124. ISSN 14542331

Universitas Surabaya (2019) Proses Imobilisasi Enzim Glukosa Oksidase Menggunakan Bentonit Alam Teraktifkan Dengan Tetrametil Amonium Hidroksida. IDP000063281.

Chrisnasari, Ruth and Sudono, Chriselda Catya and Utami, Maria Rosari Dwi and Dewi, Ardhia Deasy Rosita and Pantjajani, Tjandra (2019) The Proximate and Phytochemical Properties of Red Pitaya (Hylocereus polyrhizus) Stem Flour and Its Potential Application as Food Products. Pertanika Journal of Tropical Agricultural Science, 42 (3). pp. 903-920. ISSN 1511-3701. E-ISSN: 2231-8542

Universitas Surabaya (2019) Tutorial Pembelajaran Interaktif Elektroforesis. EC00201937473.

Universitas Surabaya (2019) Tutorial Pembelajaran Interaktif Hibridisasi DNA dan RNA. EC00201937474.

Universitas Surabaya (2019) Tutorial Pembelajaran Interaktif Isolasi DNA. EC00201937470.

Universitas Surabaya (2019) Tutorial Pembelajaran Interaktif Polymerase Chain Reaction (PCR). EC00201937471.

Universitas Surabaya (2019) Tutorial Pembelajaran Interaktif Sequencing. EC00201937472.

Universitas Surabaya (2019) Tutorial Pembelajaran Interaktif in situ Hibridisasi. EC00201937469.

Chrisnasari, Ruth and Verina, Devi and Tapatfeto, Aime Clorinda and Pranata, Stefan and Patjajani, Tjandra and Wahjudi, Mariana and Purwanto, Maria Goretti Marianti (2018) Isolating and Characterising Chitinolytic Thermophilic Bacteria from Cangar Hot Spring, East Java. Pertanika Journal Tropical and Agricultural Science , 41 (3). pp. 1437-1448. ISSN 1511-3701. E-ISSN: 2231-8542

Surabaya University (2018) Metode Imobilisasi Enzim Glukosa Oksidase Menggunakan Bentonit Alam Teraktifkan Melalui Pengasaman. P00201300088/IDP000050658.

Jayanthi, Nalista and Purwanto, Maria Goretti Marianti and Chrisnasari, Ruth and Pantjajani, Tjandra and Wahjudi, A. and Sugiarto, M. (2018) Characterization of thermostable chitinase from Bacillus licheniformis B2. In: The 2nd International Conference on Natural Resources and Life Sciences (NRLS-2018), 23–24 August 2018, Ibis Styles Hotel, Surabaya, Indonesia.

Universitas Surabaya (2018) PROSES IMOBILISASI ENZIM GLUKOSA OKSIDASE MENGGUNAKAN BENTONIT ALAM TERAKTIFKAN MELALUI PENGASAMAN. IDP000050658.

Soedjatmiko, H. and Chrisnasari, Ruth and Hardjo, Popy Hartatie (2018) The effect of fermentation process on physical and chemical characteristics of pitaya (Hylocereus polyrhiuzus [F.A.C. Weber] Britton & Rose) stem flour. In: The 2nd International Conference on Natural Resources and Life Sciences (NRLS-2018), 23–24 August 2018, Ibis Styles Hotel, Surabaya.

Widi, Restu Kartiko and Trisulo, D C and Budhyantoro, Arief and Chrisnasari, Ruth (2017) Preparation of immobilized glucose oxidase wafer enzyme on calcium-bentonite modified by surfactant. IOP Conf. Series: Materials Science and Engineering, 223 (012050). pp. 1-7. ISSN 17578981

Chrisnasari, Ruth (2016) SKRINING GEN-GEN PENGKODE KITINASE DARI Paenibacillus sp. YANG DIISOLASI DARI SUMBER AIR PANAS PRATAAN-TUBAN. Project Report. Fakultas Teknobiologi Universitas Surabaya, Surabaya. (Unpublished)

Chrisnasari, Ruth and Prilianti, Kestrilia Rega and Daniel, Xavier (2016) INOVASI PEMBELAJARAN DENGAN METODE PEMBELAJARAN KONTEKSTUAL PADA MATA KULIAH TEKNIK ANALISA DNA. In: Seminar Nasional Biologi Unesa 2016, 20 Pebruari 2016, Surabaya. (Unpublished)

Chrisnasari, Ruth and Yasaputera, Steven and Christianto, Pauline and Santoso, Veronika lvone and Pantjajani, Tjandra (2016) Production and Characterization of Chitinases from Thermophilic Bacteria Isolated from Prataan Hot Spring, East Java. Journal of Mathematical and Fundamental Sciences, 48 (2). pp. 149-163.

Chrisnasari, Ruth and Soesanti, Arum and Askitosari, Theresia Desy (2015) Pengembangan Bisnis Berbasis Ubi Jalar pada Masyarakat Desa Tamiajeng-Trawas, Kabupaten Mojokerto. In: JOIN CONFERENCE ON COMDEV 2015, 10 – 11 SEPTEMBER 2015, Surabaya. (Unpublished)

Chrisnasari, Ruth and Wijaya, Antonius Loren and Purwanto, Maria Goretti Marianti (2015) DEVELOPMENT OF DNA BIOSENSOR BASED ON SILVER NANOPARTICLES UV-Vis ABSORPTION SPECTRA FOR Escherichia coli DETECTION. KnE Life Sciences, 2. pp. 382-389. ISSN 2413-0877

Chrisnasari, Ruth and Wuisan, Zerlina Gabriela and Budhyantoro, Arief and Widi, Restu Kartiko (2015) GLUCOSE OXIDASE IMMOBILIZATION ON TMAH-MODIFIED BENTONITE. Indonesian Journal of Chemistry, 15 (1). pp. 22-28. ISSN 1411-9420

Chrisnasari, Ruth and Rasubala, Irene and Pantjajani, Tjandra (2014) Aplikasi Kultur Sel Terimobilisasi pada pembuatan Yoghurt serta Uji Ketahanan Pada PH Asam dan Garam Bile. Jurnal Ilmiah Sains & Teknologi, 8 (1). ISSN 0216-1540

Pantjajani, Tjandra and Chrisnasari, Ruth (2014) Eksplorasi Mikroorganisme Termofilik Penghasil Enzim Kitinase dari Sumber Air Panas Prataan-Tuban serta Produksi Enzim Kitinase yang Dihasilkannya. Project Report. Fakultas Teknobiologi Universitas Surabaya, Surabaya. (Unpublished)

Purwanto, Maria Goretti Marianti and ., Wersha and Chrisnasari, Ruth (2014) LACTASE IMMOBILIZATION WITH ENTRAPMENT METHOD USING CALCIUM ALGINATE MATRIX FOR LACTOSE HYDROLYSIS APPLIANCE. Jurnal Ilmiah Sains & Teknologi, 8 (1). pp. 1-9. ISSN 0216-1540

Chrisnasari, Ruth and Yonardi, Angelia and Widi, Restu Kartiko and Purwanto, Maria Goretti Marianti (2014) IMMOBILIZATION OF LIPASE ON SURFACTANT-MODIFIED BENTONITE AND ITS APPLICATION FOR BIODIESEL PRODUCTION FROM SIMULATED WASTE COOKING OIL. In: Proceeding Indonesian Protein Society (IPS), International Seminar and Workshop 2014. Universitas Jember, Jember. ISBN 978-602-9030-88-4

Wahjudi, Mariana and Algadrie, Lutfia Lukman and Chrisnasari, Ruth (2014) Isolasi Bakteri Dari Tanah Gunung Kapur Dan Pengujian Aktivitas Antibakteriisoiat Terhadap Bakteri Escherichia Coli Dan Staphylococcus Aureus. Jurnal Ilmiah Sains & Teknologi, 7 (2). pp. 7-17. ISSN 0216-1540

Chrisnasari, Ruth and Yuwono, Wandy and Puspitasari, Monika Selvira and Pantjajani, Tjandra (2014) OPTIMASI PEMODELAN KONSENTRASI GLUKOAMIIASE DAN AMONIUM SULFAT PADA PRODUKSI BIOETANOL DARI ONGGOK DENGAN METODE SEPARATE HYDROLYSIS FERMENTATION(SHF) DAN SIMULTANEOUS SACCHARIFICATION FERMENTATION(SSF). Jurnal Ilmiah Sains & Teknologi, 7 (2). ISSN 0216-1540

Yasaputera, Steven and Pantjajani, Tjandra and Chrisnasari, Ruth (2014) Isolasi dan Identifikasi Mikroorganisme Penghasil Enzim Kitinase Termofil pada Permandian Air Panas Prataan, Tuban. In: PROSIDING SNB 2014 : Biotechnological Approaches to Blue Economy Implementation. Universitas Surabaya (Ubaya Press), Surabaya. ISBN 978-602-14714-2-5

Purwanto, Maria Goretti Marianti and Tessie, Stephanie Lauren and Chrisnasari, Ruth (2014) Pengaruh Penambahan Ion Mono- dan Di-Valen terhadap Aktivitas Hidrolisis Enzim Lipase Candida rugosa pada Substrat Limbah Minyak Ikan. In: Prosiding SNB 2014 Biotechnological Approaches to Blue Economy Implementation. Universitas Surabaya (Ubaya Press), Surabaya, pp. 88-96. ISBN 978-602-14714-2-5

Chrisnasari, Ruth and Widi, Restu Kartiko and Halim, Billy Adrian and Purwanto, Maria Goretti Marianti (2014) Imobilisasi Enzim Lipase pada Ca-Bentonit serta Aplikasinya pada Produksi Asam Lemak Omega-3 dari Limbah Minyak Ikan. In: PROSIDING SNB 2014 : Biotechnological Approaches to Blue Economy Implementation. Universitas Surabaya (Ubaya Press), Surabaya. ISBN 978-602-14714-2-5

Purwanto, Maria Goretti Marianti and Chrisnasari, Ruth and Meliawati, Meliawati (2013) Pengaruh pH, Suhu dan Konsentrasi Substrat Terhadap Produksi Konsentrat Asam Lemak Omega 3 Dari Limbah Minyak Ikan Melalui Hidrolisis Oleh Enzim Lipase dari Candida Rugosa. In: PROSIDING SEMINAR NASIONAL RISET PANGAN, OBAT-OBATAN, DAN LINGKUNGAN UNTUK KESEHATAN. FMIPA Universitas Pakuan, Bogor. ISBN 978-602-14503-1-4

Chrisnasari, Ruth and Wijaya, Antonius Loren and Purwanto, Maria Goretti Marianti (2013) DEVELOPMENT OF DNA BIOSENSOR BASED ON SILVER NANOPARTICLES UV-Vis ABSORPTION SPECTRA FOR Escherichia coli DETECTION. In: Proceedings The International Conference on BIological Science (ICBS). Faculty of Biology Universitas Gadjah Mada Yogyakarta , Yogyakarta.

Chrisnasari, Ruth and Susetyo, Damiati Hartini and Sugianto, Adrian Pratama and Pantjajani, Tjandra (2013) Optimization Modeling of Ethanol Production from Shorgum bicolor grain: Comparison between Separate Hydrolysis Fermentation and Simultaneous Saccharification Fermentation. Journal Microbiology Indonesia, 7 (1). pp. 9-16. ISSN 1978 - 3477

Purwanto, Maria Goretti Marianti and Chrisnasari, Ruth (2013) Studi Perancangan Biosensor Berbasis UV·Vis Spektrofotometri untuk Deteksi Bakteri Patogen secara Simultan Berdasarkan Proses DNA Recognition. Technical Report. Universitas Surabaya, Surabaya.

University of Surabaya (2012) METODE IMOBILISASI ENZIM GLUKOSA OKSIDASE BERKUALITAS TINGGI MENGGUNAKAN BENTONIT ALAM TERAKTIFKAN MELALUI PENAMBAHAN SURFAKTAN. P00201300089.

University of Surabaya (2012) METODE IMOBILISASI ENZIM GLUKOSA OKSIDASE BERKUALITAS TINGGI MENGGUNAKAN BENTONIT ALAM TERAKTIFKAN MELALUI PENGASAMAN. P00201300088.

Widi, Restu Kartiko and Budhyantoro, Arief and Chrisnasari, Ruth (2012) Pembuatan Wafer Enzim Glukosa Oksidase Terimobilisasi Pada Bentonit Alam Termodifikasi dan Pemanfaatannya Sebagai Biokatalis dalam Bioreaktor. Project Report. Universitas Surabaya, Surabaya. (Unpublished)

Widi, Restu Kartiko and Budhyantoro, Arief and Chrisnasari, Ruth (2012) Studi Imobilisasi Enzim Glukose Oxidase Pada Bentonit Termodifikasi. Project Report. Universitas Surabaya, Surabaya. (Unpublished)

Chrisnasari, Ruth (2011) Optimization of Ethanol Production from Palmyra Sap by Zymomonus mobilis Using Response Surface Methodology. Microbiologi Indonesia, 5 (2). pp. 61-67. ISSN 2087-8575

Chrisnasari, Ruth and Krisnawardani, Agustin and Murdiyanto, Untung (2011) Optimization of Ethanol Production from Palmyra Sap by Zymomonas mobilis using Response Surface Methodology. Microbiologi Indonesia, 5 (2). ISSN 2087-8575