UB Inaugurates Four Professors from FPIK and FT

Prof. Dr. Ir. Anik Martinah Hariati, M.Sc

Brawijaya University (UB) inaugurates four interdisciplinary professors in the field of Nutrition and Fish Feed, Hydrology and Water Resource Conservation, Corrosion and Coating, also Bioheat Transfer on Thursday (7/12/2023) at Samantha Krida Building.

Prof. Dr. Ir. Anik Martinah Hariati, M.Sc. as the 20th active Professor at the Faculty of Fisheries and Marine Sciences (FPIK) and the 192nd active Professor at Brawijaya University and the 351st Professor of all Professors produced by Brawijaya University.

Prof. Dr. Eng. Donny Harisuseno, S.T., M.T. as the 23rd active Professor at the Faculty of Engineering (FT) and the 193rd active Professor at Brawijaya University as well as the 352nd Professor of all Professors produced by Brawijaya University.

Prof. Dr. Femiana Gapsari Madhi Fitri, S.T., M.T. as the 24th active Professor at the Faculty of Engineering (FT) and the 194th active Professor at Brawijaya University and the 353rd Professor of all Professors produced by Brawijaya University.

Prof. Dr. Slamet Wahyudi, S.T., M.T. as the 25th active Professor at the Faculty of Engineering (FT) and the 195th active Professor at Brawijaya University and the 354th Professor of all Professors produced by Brawijaya University.

Prof. Dr. Ir. Anik Martinah Hariati, M.Sc. : “SPORE-BASED SYNBIOTIC TECHNOLOGY IN OVERCOMING FEED WASTE IN INTENSIVE FISH CULTIVATION SYSTEMS”

The main cause of the failure of the shrimp farming industry in the early 1990s was the accumulation of leftover organic material which triggered an increase in ammonia nitrogen.

To overcome this problem, Prof. Anik has produced spore-based synbiotic technology, a technology model that begins with the isolation of AOB (Ammonia Oxidizing Bacteria): Nitrosomonas, with NOB (Nitrite Oxidizing Bacteria), Nitrobacter, and Nitrospira, along with Bacillus and Lactobacillus.

Synbiotics are added to feed to stabilize water quality and help the digestive system. The addition of synbiotics to the biofloc cultivation system has proven successful in reducing ammonia nitrogen (from 1.6 to 0.4 mg L-1).

The main advantage of spore-based synbiotic technology is that it can be stored for a long time and when applied it is able to fulfill four functions which include stabilizing water quality, providing additional feed for fish and shrimp which comes from the decomposition of leftover organic material, helping fish in natural food digestion process, and avoid pathogen attacks.

The main weakness of this technology is that it still has to be applied integratively with the biofloc system, failure in the process of maintaining the C/N ratio could result in less than optimal function of the spore-based synbiotic.

Production in the fish farming sector must be immediately increased to compensate for the stagnation of capture fisheries due to over-fishing and habitat degradation. This spore-based synbiotic technology has been proven to be able to convert feed waste into additional feed while maintaining water quality.

Prof. Dr. Eng. Donny Harisuseno, S.T., M.T. : “Hybrid-G2I (green-gray infrastructure) system: a management of rainwater runoff based on water conservation”

Prof. Dr. Eng. Donny Harisuseno, S.T., M.T

The concept of conventional rainwater runoff management in urban areas currently still relies on the physical role (channels) that channel runoff as quickly as possible into rivers. This conventional approach does not have good adaptability in anticipating water availability problems because it considers rainwater as a problem object rather than a potential source of raw water.

Prof. Donny uses the G2I Hybrid System (green-gray infrastructure), which is a concept for integrating the functions of physical drainage infrastructure (gray infrastructure) and the environment (green) in handling runoff.

The advantage of this system lies in its high resilience and flexibility in handling surface rainwater runoff while supporting water conservation. This system is also able to guarantee ground and surface water conservation efforts both in terms of quantity and quality of water so that it is able to support the realization of urban water security (urban water resilience) tough and adaptive to climate change.

The weakness of Hybrid G2I (green-gray infrastructure) system is that its application is still local and very dependent on the availability of sufficient physical space in urban areas, and generally tends to have a high building and population density. The G2I Hybrid System still needs to be tested for its application on a wider regional scale (eg watershed scale). With its ability to carry out water control and conservation functions, the Hybrid G2I (green-gray infrastructure) system is believed to be able to support the realization of strong urban water security

The success of implementing the Hybrid G2I (green-gray infrastructure) system really depends on the strong commitment of the parties involved in handling runoff in urban areas and hopefully the Hybrid G2I (green-gray infrastructure) system concept can be an alternative sustainable solution to overcome the problem of rainwater runoff in urban area.

Prof. Dr. Femiana Gapsari Madhi Fitri, S.T., M.T. : “NANOCOMPOSITE TECHNOLOGY FROM ORGANIC WASTE (TKO) AS A METAL CORROSION INHIBITOR

Prof. Dr. Femiana Gapsari Madhi Fitri, S.T., M.T

The losses caused by corrosion are very large, covering environmental, social and economic aspects. Various strategies are used to control corrosion, one of which is by adding inhibitors.

Nano composite technology from organic waste (TKO) is a new material used as a metal corrosion inhibitor and coating. TKO develops nano cellulose from organic waste as a nano filler or as a matrix for a nano composite.

The use of TKO as an anti-corrosion inhibitor and coating offers a promising solution to the challenges faced by various industries. The TKO incorporation is also able to provide high coating performance and superior corrosion protection.

The advantage of TKO as an inhibitor is that it has strong adhesion and barrier properties with the addition of nanocellulose to TKO. TKO also forms a hydrophobic layer on heterogeneous surfaces and resists the diffusion of water vapor. In addition, TKO is environmentally friendly but still has good physical, chemical and corrosion resistance capabilities, as well as strong adhesion to metal substrates.

The disadvantage of using TKO, apart from its low lifespan and durability, is that it also requires relatively large costs. Organic corrosion inhibitors generally can be used immediately after extraction.

The use of TKO as an anti-corrosion inhibitor and coating offers a promising solution to the challenges faced by various industries. The TKO combination is also able to provide high coating performance and superior corrosion protection.

The development of organic waste inhibitors was carried out with TKO in order to have higher performance and efficiency.

Prof. Dr. Slamet Wahyudi, S.T., M.T. : “MICROWAVE ABLATION (TMA) TECHNOLOGY AS A BIOHEAT GENERATOR FOR KILLING CANCER CELLS”

Photo Prof. Dr. Slamet Wahyudi, S.T., M.T

Cancer is a dangerous, serious and debilitating disease and is associated with disabilities in several neurological functions, psychopathological and emotional behavioral disorders that require ongoing rehabilitation.

One of the methods used to overcome this problem is hyperthermia therapy, namely Microwave Ablation (TMA) Technology. This technology is a bioheat generator that allows tissue ablation to be more predictable and capable of producing larger ablation volumes in a shorter period of time and providing lower energy intensity so that tissue damage can be controlled. The temperature distribution of bioheat transfer to cancer cells produced from TMA is the result of a finite element method simulation to reduce damage to surrounding healthy cells and ensure that the use of TMA is safe and without risk.

The advantages of TMA are that it is capable of producing very high temperatures, often more than 100°C, is very conducive to the use of multiple applicators, does not damage tissue and does not require any additional components.

The weakness of TMA is that if the antenna inserted into the cancer cells is not optimal and the results obtained are less effective, it can kill cells outside the cancer.

Microwave Ablation (TMA) technology as a bioheat generator that can be used as a therapy for killing cancer cells and hyperthermia therapy has attracted great attention in the last few decades and is still a current research topic for scientific researchers. This non-surgical intervention is based on heating living tissue to a certain level that results in the agitation of water molecules. This agitation causes an increase in temperature which can cause damage to cell membranes which can kill tumor cells in the body. (WHY/UB PR/ Trans. Iir)