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Natural and anthropogenic impacts on mangrove carbon dynamics: a systematic review protocol
Gilang Qur’ani Citra,이보라,Sasmito Sigit D.,Maulana Agus Muhamad,설미현,Wiradana Putu Angga,Leksono Budi,Watiniasih Ni Luh,Baral Himlal 한국산림과학회 2024 Forest Science And Technology Vol.20 No.1
The mangrove ecosystem serves as a vital habitat for coastal flora and fauna while playing a crucial role in storing and sequestering carbon as part of global carbon cycles. Therefore, it is imperative to evaluate the carbon dynamics, encompassing storage and sequestration, within mangrove ecosystems and their interconnectedness with natural climate fluctuations and anthropogenic influences, including land-use and land-cover changes (LULCC). Although there has been an increase in monitoring data and literature on mangrove carbon dynamics over the past two decades, there is still limited understanding regarding how climate variability, when combined with anthropogenic drivers, moderates the resilience of carbon storage and sequestration in mangroves. This study aims to build upon and enhance the previous systematic review conducted by Sasmito et al. (2019). Our specific objectives involve collating more recent literature published since 2018 and strengthening the analysis of carbon loss and recovery in tree biomass across different species, as well as its correlation with local and regional climate variations. Additionally, we will explore the impact of various types of land-use and land-cover changes on mangrove forests. Our systematic review will focus on field-based data collected from the Asia Pacific mangrove region, which represents the world’s largest and most diverse mangrove ecosystem and has been extensively studied in comparison to other regions, as indicated by previous systematic reviews. To gather relevant literature, we will conduct comprehensive searches across various databases, including Scopus, Web of Science, and Google Scholar. The structure established by Sasmito et al. (2019) for literature search, screening, and data extraction will be adopted. Data analysis will involve comparing carbon storage and sequestration under locally and regionally varying climatic conditions and anthropogenic influences. Furthermore, we will employ geographical mapping techniques to visualize species distribution and diversity with
Sasmito, Ginanjar Wiro,Wibowo, Dega Surono,Dairoh, Dairoh The Korea Institute of Information and Commucation 2020 Journal of information and communication convergen Vol.18 No.3
Cities in Indonesia include diverse scattered industrial centers comprising industries that can sustain the existing economic pace. For industrial data collection, the city government still relies on census that consumes extensive time and money. The public are unfamiliar with industries owing to their lack of industry information; therefore, the market share is not optimal. In addition, the opportunity to procure investors for business development is limited. A Geographic Information System (GIS) is a computer system that can record, store, write, analyze, and display geographical data. Using the Rapid Application Development (RAD) method, GIS was developed on a website platform to provide information on industry profiles, types of production, investment values, industry maps, and industrial locations in each village and sub-district to a wider community. The RAD method was chosen compared to the waterfall method because it could accelerate website development process.
Optimization of operating parameters for liquid-cooled PEM fuel cell stacks using Taguchi method
Nita Solehati,Agus P. Sasmito,배준수 한국공업화학회 2012 Journal of Industrial and Engineering Chemistry Vol.18 No.3
Operating conditions is one of the key factors required to ensure high performance PEM fuel cell stack;careful balance between performance and parasitic loads has to be taken into account to achieve optimum output. This study evaluates numerically key operating parameters of liquid-cooled PEM fuel cell stack with regard to the stack performance, stack efficiency and viability to enhance efficiency utilizing waste heat for combined heat and power. The results indicate that high stack performance does not always associate with high stack efficiency due to higher parasitic load; it is recommended to optimize the operating parameters in terms of efficiency.
Optimization of operating parameters for liquid-cooled PEM fuel cell stacks using Taguchi method
Solehati, N.,Bae, J.,Sasmito, A.P. Korean Society of Industrial and Engineering Chemi 2012 Journal of industrial and engineering chemistry Vol.18 No.3
Operating conditions is one of the key factors required to ensure high performance PEM fuel cell stack; careful balance between performance and parasitic loads has to be taken into account to achieve optimum output. This study evaluates numerically key operating parameters of liquid-cooled PEM fuel cell stack with regard to the stack performance, stack efficiency and viability to enhance efficiency utilizing waste heat for combined heat and power. The results indicate that high stack performance does not always associate with high stack efficiency due to higher parasitic load; it is recommended to optimize the operating parameters in terms of efficiency.
Caesalpinia sappan L. heartwood ethanolic extract exerts genotoxic inhibitory and cytotoxic effects
Edy Meiyanto,Beni Lestari,Raisatun Nisa Sugiyanto,Riris Istighfari Jenie,Rohmad Yudi Utomo,Ediati Sasmito,Retno Murwanti 경희대학교 융합한의과학연구소 2019 Oriental Pharmacy and Experimental Medicine Vol.19 No.1
Brazilin and brazilein, the major compounds of Caesalpinia sappan L. (CS) have been reported to possess antioxidant and cytotoxic activities and could potentially be used as an antigenotoxic as well as an anticancer. This study was conducted to investigate the cytotoxic and antigenotoxic effects of CS ethanolic extract (CEE). In vivo mammalian micronucleus test of CEE at the dose of 500 mg/kg BW and 1000 mg/kg BW decreased the number of MNPCE and increased the ratio of PCE to NCE meaning that CEE performed antigenotoxic effect in an in vivo model. In contrast, CEE and doxorubicin (DOXO) performed cytotoxic effect on CHO-K1 cells under MTT assay with IC50 values of 67 μg/mL and 6 μM, respectively. Interestingly, treatment of CEE in combination with DOXO and H2O2 as genotoxic inducer decreased intracellular ROS levels. In addition, in vitro genotoxicity study by using cytokinesis-block micronucleus (CBMN) assay, both of Giemsa staining and flow cytometric analysis showed that the treatment of CEE increased the number of micronuclei and correlated with apoptotic induction results. Moreover, the combination of CEE and DOXO induced cells accumulation in Sub-G1 and G2/M phase. In conclusion, CEE performed antigenotoxic effect in an in vivo model and cytotoxic effect on CHO-K1 cells.