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2022

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Performance Evaluation Of 1-Hexadecyl-3- Methylimidazolium Bromide, Lauryl Glucoside And Decane In Creating Winsor Type-Iii Microemulsion, Abang Muhamad Luqman Arif Abang Norden, Sia Chee Wee Dec 2022

Performance Evaluation Of 1-Hexadecyl-3- Methylimidazolium Bromide, Lauryl Glucoside And Decane In Creating Winsor Type-Iii Microemulsion, Abang Muhamad Luqman Arif Abang Norden, Sia Chee Wee

Platform: A Journal of Engineering

While ionic liquids are usually high in cost, only small amounts are needed to establish their beneficial characteristics combined with the utilization of a cosurfactant. A cationic surface-active ionic liquid, 1-hexadecyl-3- methylimidazolium bromide (C16mimBr) was chosen as the main surfactant because it is non-volatile, non-flammable, and able to withstand high temperature. However, it was studied that this ionic liquid poses a major threat to the aquatic environment, thus another surfactant is needed as a cosurfactant. Lauryl glucoside was used as the cosurfactant because it is environmentally friendly, has low toxicity and excellent biodegradability. The potential of this surfactant mixture for …

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The Study Of The Effect Of Temperature And Ph Value On Adsorption Characteristics Of Urea Based Sacrificial Agent In Clay Minerals, Andi Mohd Syaiful Andi Radi, Mazlin Idress, Farah Rosmaniza Redzuan Dec 2022

The Study Of The Effect Of Temperature And Ph Value On Adsorption Characteristics Of Urea Based Sacrificial Agent In Clay Minerals, Andi Mohd Syaiful Andi Radi, Mazlin Idress, Farah Rosmaniza Redzuan

Platform: A Journal of Engineering

The Enhanced Oil Recovery (EOR) process has grown within the time oil exploration was conducted, and many recovery methods were invented to maximize production. One of the promising recovery techniques is carbon dioxide (CO2) flooding. However, CO2 flooding has its disadvantages where due to different mobility and heterogeneity between CO2 and reservoir, the sweep efficiency is reduced because of gas channelling and viscous fingering. Thus, the application of surfactant is introduced to solve the problem. But, by using surfactants in CO2 flooding, loss of surfactant to the formation is observed. Due to this setback, the cost of the EOR process …

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Thermophilic Anaerobic Digestion Of Bio-Waste And Biogas Utilization Technologies: A Review, Louis Kon Wei Yii, Ho Yeek Chia, Tee Jia Jun Dec 2022

Thermophilic Anaerobic Digestion Of Bio-Waste And Biogas Utilization Technologies: A Review, Louis Kon Wei Yii, Ho Yeek Chia, Tee Jia Jun

Platform: A Journal of Engineering

In this modern era, more individuals have concluded that utilising biogas as a significant energy source is necessary for considering the depletion of fossil fuels and rising concerns about ecological problems, including environmental pollution. Thermophilic anaerobic digestion (AD) of bio-waste helps to produce more biogas for future uses. However, several significant AD parameters are to be considered, impacting the sludge properties, such as the temperature, pH, hydraulic retention time (HRT) and mixing systems. One of the most important operational parameters influencing the thermophilic AD process is the temperature, which only occurs between 45°C and 60°C. With that, biogas utilisation has …

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Rainfall-Runoff Simulation Of A Sub-Catchment Using Hec-Hms, Abubakar Abbas Adamu, Salisu Dan'azumi, Mujahid Abbas Dec 2022

Rainfall-Runoff Simulation Of A Sub-Catchment Using Hec-Hms, Abubakar Abbas Adamu, Salisu Dan'azumi, Mujahid Abbas

Platform: A Journal of Engineering

Hydrological data in the form of stream flow is very scarce in most developing countries. This affects the planning and management of urban watersheds. Therefore, it is necessary to estimate peak discharge from rainfall using hydrologic models based on some measurable watershed characteristics. This study aims to model the rainfall-runoff process from a typical urban watershed using Hydrologic Engineering Center Hydrological Modeling System (HEC-HMS) software. The catchment basin has a total area of 21.91 km2 , and a dendritic stream system. Soil Conservative Services (SCS) Curve number was used for getting excess rainfall from total rainfall, SCS dimensionless unit hydrograph …

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A Progress Insight Of The Formation Of Hydrogen Rich Syngas From Coal Gasification, Tawanda Matamba, Stefan Iglauer, Alireza Keshavarz Dec 2022

A Progress Insight Of The Formation Of Hydrogen Rich Syngas From Coal Gasification, Tawanda Matamba, Stefan Iglauer, Alireza Keshavarz

Research outputs 2022 to 2026

This review paper aims to explore the research progress in the formation of hydrogen rich gas from different innovative coal gasification parameters. Promotion effects of parameters such as pressure, temperature, catalyst, coal type, reactor setup, and gasification agents (H2O, O2, supercritical water) were extensively analysed. The formation of hydrogen gas through coal gasification was sub-divided into H2 production from fixed bed gasification system, fluidized bed system, and entrained flow system. The advantages of coal and biomass co-gasification towards clean energy formation was also reviewed. Co-gasification and elevated temperatures, pressures, and steam-carbon ratios were reported to positively influence the yields of …

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Perkembangan Sanitasi Dan Prasarana Kebersihan Di Kota Bandung Awal Abad Ke-20, Hary Ganjar Budiman Dec 2022

Perkembangan Sanitasi Dan Prasarana Kebersihan Di Kota Bandung Awal Abad Ke-20, Hary Ganjar Budiman

Paradigma: Jurnal Kajian Budaya

This study aims to show the development of sanitation and hygiene infrastructure in Bandung from the late 19th century to the early 20th century. This research positions sanitation and hygiene infrastructure as part of urban technology that contributes to public welfare. This research used the historical method which consisted of four stages: heuristics, critics, interpretation, and historiography. Results show that sanitation management in Bandung in the early 20th century was conducted by harmonizing technology and natural fortress. Gemeente Bandung anticipated the unhygienic habits of the villagers, environmental pollution, and spread of diseases by providing clean water, toilet facilities, public washing, …

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Are White-Lipped Peccaries From Argentinean Yungas Looking To A Promising Future?, Juan I. Reppucci, Soledad De Bustos, Flavia Caruso, Rocio S. Fleitas Quintana, Pablo G. Perovic Dec 2022

Are White-Lipped Peccaries From Argentinean Yungas Looking To A Promising Future?, Juan I. Reppucci, Soledad De Bustos, Flavia Caruso, Rocio S. Fleitas Quintana, Pablo G. Perovic

Neotropical Biodiversity

The white-lipped peccary (Tayassu pecari) is considered a key species for its role as an ecosystem engineer. Given their important ecological function, there is a great concern in the scientific community regarding the many reports of disappearances or great abundance reductions throughout its distribution (from southern Mexico to northern Argentina). Based on an extensive survey effort, we report new data of presence of WLP after a period of no detections in the Argentine Yungas. The study was conducted in the Yungas ecoregion, provinces of Jujuy and Salta, Argentina. Data was collected from camera trap, direct sightings and footprints during 2013–2021. …

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A Novel Biomaterial Platform For Cardiac Tissue Engineering, Andrew House Dec 2022

A Novel Biomaterial Platform For Cardiac Tissue Engineering, Andrew House

Dissertations

Heart disease is one of the leading causes of death in the world. With a growing demand for in vitro cardiac models that can recapitulate the complex physiology of the cardiac tissue, there is a desire to create novel therapies and treatments. However, due to a lack of fundamental understanding of the heart's inflammatory response to myocardial infarction, the development of new therapies is both time consuming and costly. In this work, a novel approach to fabricating a dynamic hydrogel cardiac platform is reported. This platform better mimics the dynamic changes occurring in the native cardiac tissue microenvironment during cardiac …

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Characteristics Of Extreme Precipitation And Their Effect On Bean Yield In Rwanda, Paul Ts Limbu Sr Dec 2022

Characteristics Of Extreme Precipitation And Their Effect On Bean Yield In Rwanda, Paul Ts Limbu Sr

Tanzania Journal of Engineering and Technology (TJET)

This study examines the characteristics of extreme precipitation and its effect on bean yield in Rwanda from 1981 to 2017. Over the study area, two rainy seasons, March to May (MAM) and September to December (SOND), account for approximately 80% of total rainfall. The spatial distribution of rainfall over Rwanda revealed that the first three EOF modes of MAM rainfall vary by 72.72 percent over the study period, while the first three EOF modes of SOND rainfall vary by 57.48 percent. The spatial analysis of extreme precipitation reveals that during wet years, the majority of the country's western regions receive …

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A Chemical Study Of Archaeometallurgical Ceramics From Southwestern Tanzania, Edwinus Lyaya Dec 2022

A Chemical Study Of Archaeometallurgical Ceramics From Southwestern Tanzania, Edwinus Lyaya

Tanzania Journal of Engineering and Technology (TJET)

Archaeometallurgical ceramics, including furnaces, tuyères, and potteries, were required for successful pre-industrial iron smelting and refining. However, there are limited chemical studies on archaeometallurgical ceramics in Tanzania. This paper examined the nature of clay source in terms of refractoriness, determined whether there were multiple clay sources, and verified the refractoriness of the archaeometallurgical ceramics. An x-ray fluorescence (XRF) analytical technique and experimental re-firing of the archaeometallurgical ceramics were employed. The chemical data clustered in the mullite region on the Al2O3-SiO2-FeO ternary system indicate that iron smelters and refiners chose refractory clay sources for making archaeometallurgical ceramics. Small range and standard …

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Occlusion Handler Density Networks For 3d Multimodal Joint Location Of Hand Pose Hypothesis, Stanley Tito Dec 2022

Occlusion Handler Density Networks For 3d Multimodal Joint Location Of Hand Pose Hypothesis, Stanley Tito

Tanzania Journal of Engineering and Technology (TJET)

(HPE) process is an ill-posed challenge. This is due to severe self occluded joints of the hand. The existing approaches for predicting pose parameters of the hand, utilize a single-value mapping of an input image to generate final pose output. This way makes it difficult to handle occlusion especially when it comes from the multimodal pose hypothesis. This paper introduces an effective method of handling multimodal joint occlusion using the negative log-likelihood of a multimodal mixture-of-Gaussians through a hybrid hierarchical mixture density network (HHMDN). The proposed approach generates multiple feasible hypotheses of 3D poses with visibility, unimodal and multimodal distribution …

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Properties Of (Cd, Zn)S Films Deposited By Dc Co-Sputtering, Lwitiko P. Mwakyusa Dec 2022

Properties Of (Cd, Zn)S Films Deposited By Dc Co-Sputtering, Lwitiko P. Mwakyusa

Tanzania Journal of Engineering and Technology (TJET)

CdS thin film is commonly used as a buffer layer in most thin film solar cells. However, the buffer layer with less absorption in the visible region of the solar spectrum as well as that which provides perfect lattice matching with the absorbers is required. The incorporation of Zn in the CdS films can affect the structural and optical properties of the buffer layer. In this work, films of CdS and (Cd,Zn)S films were deposited by DC sputtering utilizing CdS and Zn targets. The concentration of Zn in the CdS was varied by changing the sputtering power of the Zn …

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Filtering Effect On Rssi-Based Indoor Localization Methods, Kwame S. Ibwe Dec 2022

Filtering Effect On Rssi-Based Indoor Localization Methods, Kwame S. Ibwe

Tanzania Journal of Engineering and Technology (TJET)

Indoor positioning systems are used to locate and track objects in an indoor environment. Distance estimation is done using received signal strength indicator (RSSI) of radio frequency signals. However, RSSI is prone to noise and interference which can greatly affect the accuracy performance of the system. In this paper Internet of Things (IoT) technologies like low energy Bluetooth (BLE), WiFi, LoRaWAN and ZigBee are used to obtain indoor positioning. Adopting the existing trilateration and positioning algorithms, the Kalman, Fast Fourier Transform (FFT) and Particle filtering methods are employed to denoise the received RSSI signals to improve positioning accuracy. Experimental results …

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A Genetic Algorithm Approach To Optimal Sizing And Placement Of Distributed Generation On Nigerian Radial Feeders, Adelowo Balogun Dec 2022

A Genetic Algorithm Approach To Optimal Sizing And Placement Of Distributed Generation On Nigerian Radial Feeders, Adelowo Balogun

Tanzania Journal of Engineering and Technology (TJET)

Mitigating power loss and voltage profile problems on radial distribution networks has been a major challenge to distribution system operators. While deployment of distributed generation, as compensators, has made a suitable solution option, optimum placement and sizing of the compensators has been a concern and it has thus been receiving great attention. Meta-heuristic algorithms have been found efficacious in this respect, yet the use of the algorithms in addressing problems of radial feeders is still comparatively low in Nigeria where analytical and numerical programming methods are common. Hence; the use of genetic algorithm to site and size distributed generator for …

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Review Of The Imaging Performance And The Current Status Of The Cascade Gamma-Rays Coincidence Imagers, Leonid L. Nkuba Dr. Dec 2022

Review Of The Imaging Performance And The Current Status Of The Cascade Gamma-Rays Coincidence Imagers, Leonid L. Nkuba Dr.

Tanzania Journal of Engineering and Technology (TJET)

Various studies that have investigated the detection of gamma coincidence events have revealed that design factors and image reconstruction approaches dictate the spatial resolution, coincidence efficiency, and levels of statistical noise of the detection system. In the case of imaging, cascade gamma-ray coincidence (CGC) imagers coupled with collimated detectors offer promising values for both spatial resolution and coincidence efficiency. However, to date, no CGC imager with single or multiple collimated detectors has reported a performance level beyond 6.7 mm spatial resolution (FWHM) and 6.0 × 10-6 coincidence efficiency. Given the recent developments and the current interests in high resolution and …

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Evading The “Entrepreneurial Blocks” Through Entrepreneurial Marketing Education In Vocational High Schools In An Emerging Country, Jony Oktavian Haryanto, Hanif Adinugroho Widyanto, Hari Suryanto, Adhi Setyo Santoso Dec 2022

Evading The “Entrepreneurial Blocks” Through Entrepreneurial Marketing Education In Vocational High Schools In An Emerging Country, Jony Oktavian Haryanto, Hanif Adinugroho Widyanto, Hari Suryanto, Adhi Setyo Santoso

ASEAN Marketing Journal

Entrepreneurial marketing education is considered an essential platform to stimulate successful entrepreneurs, especially for vocational high school (SMK) graduates in Indonesia, which has the highest open unemployment rate and mostly comes from low-income backgrounds. Hence, the researchers investigated why most SMK graduates, supposedly skilful, do not opt for entrepreneurship. This is an under-researched study that could carry enormous implications. The researchers interviewed participants from SMKs in Mataram, Indonesia, three entrepreneurship teachers and six students of entrepreneurship classes from grades 10 to 12. They referred to the extant literature as a basis for a proposed “Entrepreneurial Blocks” framework to explain the …

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Systematic Review: Analisis Pengadaan Musik Kerja Terhadap Produktivitas Kerja Tenaga Kerja, Afan Alfayad, Endang Dwiyanti Dec 2022

Systematic Review: Analisis Pengadaan Musik Kerja Terhadap Produktivitas Kerja Tenaga Kerja, Afan Alfayad, Endang Dwiyanti

Preventia: The Indonesian Journal of Public Health

This research was conducted to see the effectiveness of the procurement of work music on labor productivity. This study uses a systematic review method by finding 15 types of research articles, research articles are considered inclusion criteria based on PICOS (Population, Intervention, Comparison, Study Design Results, Year of Publication, and Language) as follows: 1) human sample, 2) work music intervention, 3) comparison of giving work music and not giving work music, 4) results: work productivity, 5) research articles, 6) articles published in 2012 until 2022, 7) in English and Indonesian. Procurement of work music is associated with increased worker productivity. …

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Assessing Morphological Changes Of The Msimbazi River Using Satellite Images, Fides J. Izdori Dec 2022

Assessing Morphological Changes Of The Msimbazi River Using Satellite Images, Fides J. Izdori

Tanzania Journal of Engineering and Technology (TJET)

This study assessed historical morphology changes of the Msimbazi River in Dar es Salaam City, Tanzania, following heavy rainfall events using historical Google earth images. The erosion and sedimentation processes that cause morphological changes of a river are also associated with flooding within the river catchments. In this study, the bank-line movement, erosion and sedimentation areas and changes in river section width were analyzed under three-time periods: 2005- 2012, 2012- 2018, and 2018- 2020. Data shows that, the timing for floods coincides with the historical records for heavy rains. It was found that, area in the upper reaches of the …

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Concrete Technology In A Rapidly Growing Urban Environment – The Case Of Dar Es Salaam City, John K. Makunza Jkm Dec 2022

Concrete Technology In A Rapidly Growing Urban Environment – The Case Of Dar Es Salaam City, John K. Makunza Jkm

Tanzania Journal of Engineering and Technology (TJET)

Concrete is a building material that is used in great quantities second only to our use of water. The ingredient materials of concrete include cement, fine and coarse aggregates plus a reasonable amount of water, and sometimes additives. The construction of various structures like, residential buildings, commercial buildings, hospitals, schools, bridges, etc., needs good quality concrete. Good modern technologies are needed by the construction industry in order to effectively construct buildings which are durable. A study has been done with the main objective of assessing the concrete technologies existing in rapid growing cities in Sub-Sahara Africa like Dar es Salaam, …

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Development Of An Operational Satellite-Based Flood Monitoring Model For Tanzania, Andrew Kimati Dec 2022

Development Of An Operational Satellite-Based Flood Monitoring Model For Tanzania, Andrew Kimati

Tanzania Journal of Engineering and Technology (TJET)

Timely information during water related disasters is of utmost importance for flood preparedness and risk reduction. However, the conventional ground-based photographic monitoring of flooded areas is an expensive and time-consuming exercise. Satellite remote sensing is a quick and affordable approach that can be used for concurrent floods detection at different scales. This is important as it facilitates timely information for emergency response to disaster management departments, even in scarcely instrumented catchments. This study presents a novel approach for flood tracking using satellite image remote sensing science to map flood affected areas immediately after occurrence of rainfall events. An open-source water …

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Analysis Of Ore Hand-Crushed Size Distribution For Grinding Process In The Artisanal And Small-Scale Gold Mines Production: A Case Study Of Nholi Mine, Bahi District, Malugu Tembo Dec 2022

Analysis Of Ore Hand-Crushed Size Distribution For Grinding Process In The Artisanal And Small-Scale Gold Mines Production: A Case Study Of Nholi Mine, Bahi District, Malugu Tembo

Tanzania Journal of Engineering and Technology (TJET)

(ASGM) employed numbers of people compared to large-scale mines. The ASGM has been played a crucial role in poverty alleviation and rural development, particularly in developing countries. The mined ore is crushed and ground for beneficiation of gold. The grinding process involved the size reduction of blasted materials to acquire minerals of interest. This paper presents the size distribution of hand-crushed for blasted materials using sieve analysis and digital image processing. The sieve test results for hand-crushed blasted material of three muck-piles were ranged between 17 mm and 36 mm that is equivalent to 20% and 80% passings respectively, with …

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Deployment Of Inductive Loop Vehicle Traffic Counters Along Trunk Roads In Tanzania, Daudi Simbeye Dec 2022

Deployment Of Inductive Loop Vehicle Traffic Counters Along Trunk Roads In Tanzania, Daudi Simbeye

Tanzania Journal of Engineering and Technology (TJET)

As Tanzania's population grows, there is a greater demand for efficient, effective, and strong road design, as well as a smooth transportation system with a balanced traffic management network architecture. To plan for maintenance and expansion of such a vast network, a credible data inventory and network condition must be established. The deployment of vehicle inductor loop counters along Tanzanian trunk roads is presented in this paper. At test sites, inductor loop sensors and control cards were used to capture vehicle traffic data, which was then wirelessly sent using GSM technology for vehicle classification verification and storage for future road …

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Design And Implementation Of Cardiopulmonary Resuscitation Simulation Model, Mbazingwa Mkiramweni Dec 2022

Design And Implementation Of Cardiopulmonary Resuscitation Simulation Model, Mbazingwa Mkiramweni

Tanzania Journal of Engineering and Technology (TJET)

Cardiopulmonary resuscitation (CPR) is a life-saving procedure that can multiply a person's chances of survival after a cardiac arrest. The effectiveness of CPR procedures is heavily influenced by the individual skills of the rescuer providing assistance. Chest compressions delivered at an appropriate depth and rate, allowing full chest recoil and with minimal interruptions, are critical for improving cardiac arrest survival. The lack of quality CPR training models in developing countries has a significant impact on the quality of CPR training and skills acquired. Therefore, in this paper, we aim at improving CPR training by designing a high-fidelity CPR training manikin. …

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Synthesis, Characterisation And Catalytic Evaluation Of Castor Oil-Templated Mesoporous Sulfated Solid Acid Catalysts For Esterification Reaction, Steven Nyandoro Pr Dec 2022

Synthesis, Characterisation And Catalytic Evaluation Of Castor Oil-Templated Mesoporous Sulfated Solid Acid Catalysts For Esterification Reaction, Steven Nyandoro Pr

Tanzania Journal of Engineering and Technology (TJET)

In bio-refinery and other catalytic reactions, heterogeneous catalysts confer advantage over homogenous catalysts due to minimized recovery and separation costs. However, templating surfactant and solid support for the synthesis of heterogeneous catalysts ought to consider their cheap sources and environmentally friendliness for their sustainable use. Thus, with the vision to make the process significantly benign, in the present work, solid acids were synthesised from renewable sources (castor oil as surfactant and rice husk as the source of silica). The synthesised castor oil-templated mesoporous sulfonic acid modified catalysts (SO3H-MTS and SO3H-MT-RHS) were characterised and evaluated for catalytic esterification of acetic acid …

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Optimization Of Pulsed Laser Deposition Parameters For Single Crystalline (011) Oriented Tetragonal Pzt Thin Films, Mahamudu H. Mtebwa Dec 2022

Optimization Of Pulsed Laser Deposition Parameters For Single Crystalline (011) Oriented Tetragonal Pzt Thin Films, Mahamudu H. Mtebwa

Tanzania Journal of Engineering and Technology (TJET)

Recent advances in nanotechnology applications require the processing of high-quality thin films. A systematic study of the optimization of Pulsed deposition parameters for (110) oriented tetragonal PZT thin films is reported in this work. Prior to film deposition, a highly tetragonal Pb(Zr0.5, Ti0.95) or PZT 05/95 was selected to be deposited on (110) oriented Strontium titanate, SrTiO3 substrate, STO(110) to insure small compressive misfit strain. Unlike SRO, the LSOM bottom electrode was then successfully grown at 620 °C, 1.0 J/cm2 and a target-substrate distance of 3.9 cm. Finally, deposition parameters of PZT were progressively optimized through monitoring film morphological changes. …

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Performance Evaluation Of Udsm Network To Deliver Multimedia Elearning Contents: Case Of Coict, Mercy Mbise Dec 2022

Performance Evaluation Of Udsm Network To Deliver Multimedia Elearning Contents: Case Of Coict, Mercy Mbise

Tanzania Journal of Engineering and Technology (TJET)

The use of technology in education in Sub-Saharan Africa has been reported to be hindered by many factors including inadequate Information and Communication Technology (ICT) infrastructure, low internet speed, and lack of skills to use educational technologies. This paper aim at evaluating how the available ICT infrastructure at the College of Information and Communication Technologies (CoICT) can support, with acceptable Quality of Service (QoS), the delivery of multimedia applications for eLearning services. The evaluation was performed over a network testbed implemented in a computer laboratory for wired and wireless connections. The testbed consisted of five personal computers (PCs) connected via …

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Energy Assessment Of E-Motorcycles As A Clean Transport Mode For Passenger Mobility: A Case Of Ilala District, Dar Es Salaam, John Shirima Dec 2022

Energy Assessment Of E-Motorcycles As A Clean Transport Mode For Passenger Mobility: A Case Of Ilala District, Dar Es Salaam, John Shirima

Tanzania Journal of Engineering and Technology (TJET)

Electric motorcycles or e-motorcycles is a clean mode of road transport that present a prominent solution toward decarbonizing cities. Despite of e-motorcycles being cleaner than gasoline ones, at the moment, there is missing information whether it is feasible to replace gasoline motorcycles with e-motorcycles used for business transport purposes. This paper, therefore, presents the results comparing energy usage when using e-motorcycles and when using the gasoline motorcycles. The energy demand for driving passengers using an e-motorcycle in the precarious routes originated from Gongo la Mboto bus stop to Segerea bus stop, Buguruni Malapa, Gerezani bus stop, Kivukoni bus stop, and …

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Faktor-Faktor Penentu Dalam Pemilihan Kosmetik Aman Non Merkuri, Dyah Suryani, Dewi Apriani Dec 2022

Faktor-Faktor Penentu Dalam Pemilihan Kosmetik Aman Non Merkuri, Dyah Suryani, Dewi Apriani

Preventia: The Indonesian Journal of Public Health

Cosmetics now continue to be a priority for one's life. Therefore, the cosmetics used must be safely free from harmful ingredients. Mercury is one of the chemicals found in many cosmetic products but its presence is actually dangerous. The selection of safe cosmetics by students is also based on many factors both personal factors such as knowledge and attitudes and social such as from friends and social media. The purpose of this study is to find out the determinants of non-mercury comestic selection. This study is a study that uses observational analytics with a cross sectional research design. The study …

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Angiogenic Supports For Microvascular Engineering, Zain Siddiqui Dec 2022

Angiogenic Supports For Microvascular Engineering, Zain Siddiqui

Dissertations

Ischemic tissue disease is caused by a lack of circulation / blood supply to tissue. This can be treated by introducing a number of angiogenic (pro-blood vessel forming) factors into the tissue. This work presents strategies for ischemic tissue treatment utilizing a novel proangiogenic self-assembling peptide hydrogel platform. To demonstrate the utility of this platform, its use alone as an angiogenic therapeutic (both alone as a self-assembling hydrogel and with two-component systems), and its ability to vascularize implants is explored. Due to these angiogenic scaffolds demonstrating efficacy to regenerate microvasculature, this work evaluates diseases that can be treated by the …

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Perbandingan Efektivitas Isometric Quadriceps Exercise Dan Aquatic Exercise Terhadap Tingkat Nyeri Pada Lansia Dengan Knee Oteoarthritis : Literature Review, Dt.Arief Rahman Bestari, Nungki Marlian Yuliadarwati, Kurnia Putri Utami Dec 2022

Perbandingan Efektivitas Isometric Quadriceps Exercise Dan Aquatic Exercise Terhadap Tingkat Nyeri Pada Lansia Dengan Knee Oteoarthritis : Literature Review, Dt.Arief Rahman Bestari, Nungki Marlian Yuliadarwati, Kurnia Putri Utami

Jurnal Fisioterapi Terapan Indonesia

The elderly are the most susceptible subject to knee osteoarthritis (KOA), there are several good exercises for KOA, namely isometry quariceps exercise (IQE) and Aquatic exercise (AQE) are therapies that are often used to help improve and reduce pain in KOA. To compare the effectiveness of giving isometric quadriceps exercise and aquatic exercise on pain levels in the elderly with knee osteoarthritis. This study is a literature review where researchers will look for journals that match the theme and title to be discussed. articles or journals are obtained from several search engines, Pubmed and Google Scholar. The journal criteria used …

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