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All Journal BERITA BIOLOGI Science and Technology Indonesia Majalah Kesehatan FKUB Jurnal Biodjati Teknologi Indonesia
Hani Susanti, Hani
LIPI
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Medicine & Pharmacology Physics Public Health

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CULTIVATION OF FILAMENTOUS CYANOBACTERIA FOR VALUABLE BIOPRODUCT USING SAGO SOLID WASTE AS SUBSTRATES Susanti, Hani; Lestari, Sari; Rahman, Delicia Y.; Susilaningsih, Dwi
Teknologi Indonesia Vol 37, No 1 (2014)
Publisher : LIPI Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (16.051 KB) | DOI: 10.14203/jti.v37i1.215

Abstract

Sago solid waste as by product result of sago palm processing potentially have great value for some bio processing such as source of carbon on microbes substrate. Utilization of sago solid waste as substrate for filamentous cyanobacteria cultivation is a rareresearch activity in Indonesia as one of the three leading world companies producer of sago starch. Therefore, we focused on sago waste treatment using cyanobacteria agent in order to rid the waste and gain the value of nutrition rich starch from that waste. Several concentrations of growth media contain sago solid waste were tested into cyanobacteria culture and solid waste hydrolysis as pretreatment more conducted in the research. Result shows that addition of sago solid waste (50, 500 and 5000 ppm) into media can increase the algae biomass production which is rich of carbohydrate and protein.The proximate value of biomasses with sago solid waste treatment was exhibited significantly higher than control. During cultivation exposure time, the solid waste is gradually consumed by the algae. The study implies that sago solid waste can be used as substrate for the biomass production of filamentous cyanobacteria which is known as source of active compounds, potential resource for valuable bioproduct.
ISOLASI GEN SITRAT SINTASE BAKTERI Pseudomonas aerugenosa PS2 DARI RIZOSFER POHON KRUING (Dipterocarpus sp.) UNTUK MODEL KONSTRUKSI METABOLISME SEL MIKROALGA BERKARBOHIDRAT RENDAH Susilaningsih, Dwi; Umoro, Asahedi; Ochieng, Fredrick Onyango; Widyaningrum, Dian Noverita; Susanti, Hani; Susilo, Hadi; Swastika, I Nengah; Widyastuti, Utut
BERITA BIOLOGI Vol 18, No 2 (2019)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4410.754 KB) | DOI: 10.14203/beritabiologi.v18i2.2967

Abstract

Pseudomonas has the potential ability for production of citrate synthase synthesis. Pseudomonas aeruginosa could synthesize the enzyme of citrate synthase which is most likely compatible with microalgae cell. Pseudomonas aerugenosa can be found in the rhizosphere of Kruing (Dipterocarpus sp., Dipterocarpaceae). This bacteria is commonly used in agriculture purposes because it is able to synthesize organic acid such as citric acid. These organic acids are synthesized from a reaction between oxaloacetate and acetyl CoA, catalyzed by citrate synthase (CS) in the tricarboxylic acid cycle (TCA). Rhizosphere as microbial sources was obtained from Kruing (Dipterocarpus sp.), which was collected from ?Carita? Research Forest, Pandeglang, Banten, West Java. Citrate synthase gene-specific primers were designed based on citrate synthase gene sequences as depicted in Genbank. The isolation and amplification showed that citrate synthase can be detected and purified from Pseudomonas aeruginosa target and it consists of 1600 bp and encodes 509 amino acids. Based on BLAST (Basic Local Alignment Search Tool) analysis, CS genes that were successfully isolated had 92 % similarity with Pseudomonas aeruginosa type II citrate synthase. This CS gene is expected to be expressed in microalgae metabolism to divert the metabolism of carbohydrate formation into fatty acids. 
EFIKASI LIMBAH SAGU SEBAGAI SUBSTRAT KAYA NUTRISI UNTUK MIKROALGA ISOLAT LIPI11-2-AL002 Susilaningsih, Dwi; Lestari, Sari; Kusnadi, Kusnadi; Hidayat, Topik; Susanti, Hani
BERITA BIOLOGI Vol 13, No 3 (2014)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v13i3.674

Abstract

Microalgae are photosynthetic microorganisms that have potential to produce some useful chemical substances such as carbohydrates, proteins, and lipids. Microalgae are also known exhibited ability as a bioremediation agent. This report is emphasized on analyzing the growth rate and nutritional content of microalgae including carbohydrate, protein and lipid from selected isolates LIPI11-2-AL002 that treated with sago waste. Microalgae were cultivated into hydrolysed sago ?ampas? at the concentration of 0,50, 500,5000 ppm, and medium AF-6 (as control culture) respectively.Therefore selected microalgae isolate was cultivated in series of cultivation volume start from 100 mL until 5 Liter media gradually. Observed parameters were covered cell viability (growth) and proximate content of biomass including carbohydrate,lipid and protein content. The results showed that the carbohydrate and protein content in the algal biomass was increase along the addition of series sago ?-ampas? concentration.The highest concentration of addition the sago ampas is 5000 ppm which is limit for the algal survival. In the highest treatment of sago waste the alga l proximate contents were 261.09 ppm of carbohydrate, 5.12 ppm of protein and 3.61% per of lipid dry weight respectively. In addition, the toxicity effect of fermentation product was not appeared in a toxicity test using gold fish komet(Carassius auratus).
HUBUNGAN ANTARA PENANDA sCD28 DAN sCTLA-4 TERHADAP PERSENTASE SEL LIMFOSIT T CD8+CD45RA+ PADA PENUAAN IMUN: - Handono, Kusworini; Susanti, Hani; Pratama, Mirza Zaka; Kalim, Handono; Wahono, Caesarius Singgih; Ria Famuji, Siti Roziah; Firdaningrum, Nimas Eka; Sumarta, Norma Hanifah; Rizky Fachry, Ade Wlidan
Majalah Kesehatan Vol. 10 No. 4 (2023): Majalah Kesehatan
Publisher : Faculty of Medicine Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/majalahkesehatan.2023.010.04.1

Abstract

Penuaan merupakan proses alami dan kompleks yang ditandai dengan penurunan fungsi fisiologis manusia sehingga berakibat pada perubahan sistem imun. Sampai saat ini, deteksi penuaan imun (immunosenescence) masih memiliki kendala yang berarti. Penanda satu-satunya yang diyakini sebagai prediktor penuaan imun adalah immune risk profile (IRP). Namun, IRP hanya dapat diamati dengan pemeriksaan flowsitometri yang membutuhkan alat canggih dan keterampilan khusus. Oleh karena itu, diperlukan penelitian yang menemukan suatu penanda deteksi penuaan imun melalui metode yang lebih mudah. Beberapa marker kostimulator memiliki bentuk terlarut di dalam serum. Penanda CD28 dan CTLA-4 pada membran memainkan peran utama pada regulasi aktivasi limfosit T dan marker diagnostik pada autoimun ataupun penuaan imun. Meskipun demikian, bentuk terlarut dari penanda tersebut masih belum banyak diteliti.  Tujuan dari penelitian ini adalah meneliti keterkaitan antara penanda sCD28 dan sCTLA-4 terhadap persentase IRP sel limfosit T CD8+CD45RA+ pada penuaan imun. Molekul kostimulator sCD28 dan sCTLA4 diukur menggunakan ELISA, sedangkan persentase sel limfosit T CD8+CD45RA+ menggunakan flowsitometri. Pada penelitian ini didapatkan 87 responden terdiri dari 23,0% responden kelompok individu muda, 40,2% kelompok pasien Lupus Eritematosus Sistemik (LES), dan 36,8% responden kelompok lansia. Kadar sCD28 dan sCTLA-4 terhadap persentase sel limfosit T CD8+CD45RA+ memiliki hubungan yang tidak signifikan pada penuaan imun. Pada penuaan imun, fungsi sel limfosit T yang mengekspresikan CD45RA menampilkan cacat proliferatif dan pensinyalan, tetapi tetap polifungsional.
Nanoparticle-Enhanced 3D-Connector Microfluidic Paper-Based Analytical Device (3D-µPADs) for Sensitive and Cost-Effective Detection of Albumin-Creatinine Ratio in Urine Sample Sabarudin, Akhmad; Fiddaroini, Saidun; Fahmi, Ahmad Luthfi; Roja’i, Abdul Munir; Salsabila, Isadora Evani; Aulanni’am; Srihardyastutie, Arie; Susanti, Hani; Samsu, Nur
Science and Technology Indonesia Vol. 10 No. 2 (2025): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.2.504-518

Abstract

Chronic kidney disease (CKD) is a global health challenge affecting over 800 million people worldwide. Early detection is crucial to prevent progression to end-stage renal disease (ESRD), where life-saving interventions like dialysis or transplantation are necessary. Among the markers for early kidney damage, the Albumin Creatinine Ratio (ACR) in urine is one of the most reliable. Conventional methods of ACR detection, such as LC/MS-MS and ELISA, are highly accurate but require expensive equipment and skilled personnel, limiting their accessibility, especially in resource-limited settings. To address this, we developed a 3D-connector microfluidic paperbased analytical device (3D-µPADs) enhanced with gold nanoparticles (AuNPs) for sensitive and low-cost ACR detection. The integration of AuNPs amplifies colorimetric signals, enhancing the visual distinction in albumin detection. Our 3D-µPADs werefabricated using chromatographic paper Whatman No. 1 with hydrophobic barriers created by solid wax printing, followed by reagent immobilization for albumin and creatinine detection. The colorimetric and distance responses, based on reactions with Bromocresol Green (BCG) and Chrome Azurol S-Palladium (CAS-Pd2+), were analyzed using ImageJ software to quantify albumin and creatinine levels. The 3D-µPADs exhibited optimal sensitivity and accuracy, with linear detection ranges for albumin and creatinine of 30–400 mg/g. Validation with human urine samples demonstrated an accuracy of 93.04%, suggesting that 3D-µPADs offer a promising alternative for early nephropathy detection. Our findings provide a cost-effective, accessible tool for CKD screening, potentially transforming diagnostics in low-resource environments.
In Vitro Antioxidant and Anti-Obesity Activities of Ethanolic Extract from Microalgae Strain MRB-2 Ni’maturrohmah, Dwi; Darsih, Cici; Susanti, Hani; Hidhayati, Noor; Indrianingsih, Anastasia Wheni; Handayani, Sri; Hasby, Rizal Maulana; Laksitorini, Marlyn Dian
Jurnal Biodjati Vol 9 No 1 (2024): May
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v9i1.30385

Abstract

Obesity has a 15-fold higher risk of coronary heart disease, stroke, and diabetes mellitus. Microalga isone of the natural resources that potentially treat obesity. The purpose of this study was to evaluate the total phenolic contents (TPC), antioxidant, and anti-obesity properties of ethanolic extract of microalgae strain MRB-2. The TPC was determined using the Follin-Ciocalteu method. The antioxidant activity was evaluated using the 2,2-diphenyl-1-picrylhydrazyl (DPPH) method, and the anti-obesity was analyzed using an anti-lipase pancreatic assay. The morphology of microalga cells was also determined using Scanning Electron Microscopy (SEM). The results revealed that the TPC of ethanolic extract from the ultrasound extraction method was higher than the maceration method with the value of 2.75±0.26 mg GAE/g. While the scavenging activity toward DPPH radicals of ethanolic extract from the maceration method was higher than ultrasound, with a value of 38.92±1.94% at 0.8 mg/mL. The lipase inhibitory activity of extract from the maceration method was higher than ultrasound with a value of 20.81±2.24% at 0.38 mg/mL. Our results indicate that ethanolic extract of MRB-2 was potentially developed for anti-obesity foods and health-functional foods derived from new peatland microalgae.
Co-Authors A.A. Ketut Agung Cahyawan W Akhmad Sabarudin Arie Srihardyastutie Aulanni’am Cici Darsih DWI SUSILANINGSIH Fahmi, Ahmad Luthfi Fiddaroini, Saidun Firdaningrum, Nimas Eka Hadi Susilo, Hadi Handayani, Sri Handono Kalim Hidhayati, Noor Indrianingsih, Anastasia Wheni Kusworini Handono Marlyn Dian Laksitorini, Marlyn Dian Ni’maturrohmah, Dwi Nur Samsu Ochieng, Fredrick Onyango Pratama, Mirza Zaka Rahman, Delicia Y. Ria Famuji, Siti Roziah Rizal Maulana Hasby, Rizal Maulana Rizky Fachry, Ade Wlidan Roja’i, Abdul Munir Salsabila, Isadora Evani Sari Lestari Sumarta, Norma Hanifah Swastika, I Nengah Topik Hidayat Umoro, Asahedi UTUT WIDYASTUTI Wahono, Caesarius Singgih Widyaningrum, Dian Noverita