Journal Of Natural Sciences And Mathematics Research
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Interpretation of external quality assurance results on liver function test
Get PDFThe quality of laboratory examination results must always be guaranteed in the sense that it can provide a level of accuracy and precision that can be accounted for. Therefore, a study of External Quality Consolidation (PME) was conducted. The purpose of this study was to describe the results of External Quality Monitoring in the field of clinical chemistry parameters of Serum Glutamic Oxalocetic Transaminase (SGOT) and Serum Glutamic Pyruvic Transaminase (SGPT) at the Public Health Center Laboratory in the Surabaya area. The population in this study was a health center in the area of the Surabaya City Health Office with a sample of 15 health centers that had examinations in the field of clinical chemistry. The sample used in this study was normal level control serum which was measured on the parameters of Serum Glutamic Oxalocetic Transaminase (SGOT) and Serum Glutamic Pyruvic Oxalocetic Transaminase (SGPT). The results of data analysis showed that the percentage of PME levels of SGOT with good VIS criteria was 73.33%, sufficient criteria was 0%, less criteria was 6.67%, poor criteria was 20%. While the SGPT parameters good criteria are 53.33%, sufficient criteria are 33.33%, less criteria are 13.33%, poor criteria are 0%.©2020 JNSMR UIN Walisongo. All rights reserved
Anti-tumor and anti-cancer activity test from Nabeez Ajwa Dates (Phoenix dactilifera L.) water
Get PDFNabeez dates water is one of the fruits that is used as infused water. Dates contain flavonoids, phenols, alkaloids, and beta D-glucans which have anticancer and anti-tumor activity. Ajwa Dates have a higher phenol content than Sukkari Dates and Khalas Dates. Cancer is the number 5 deadliest disease in Indonesia and number 2 in the world after cardiovascular disease. The use of natural ingredients is an alternative for the treatment of this disease. One of the natural ingredients can be used is ajwa dates. The method of testing for anti-tumor and anti-cancer activity uses the Brine Shrimp Lethality Test (BSLT) method with shrimp larvae of Artemia salina leach as animals for testing. The results showed that the water of ajwa nabeez dates immersion for 24 hours, 48 hours, and 72 hours has the potential as anti-tumor and anti-cancer because it has an LC50 value of 676.39 ppm; 720.84 ppm; and 903.20 ppm. Phytochemical test results have shown positive samples containing tannins, phenolics, flavonoids, saponins, and alkaloids. The test results of FTIR spectophotometry resulted in the appearance of wave numbers indicating the presence of functional groups -OH, C-H, C = O, C-C (sp3), and C-O.©2020 JNSMR UIN Walisongo. All rights reserved
Optimal control mathematical model of Zika Virus
Get PDFThis study aims to describe the transmission of the Zika virus a mathematical model that was introduced by Ding, Tao, and Zhu (2016). Based on the analysis, obtained a disease-free equilibrium point, then the stability is seen from the basic reproduction number. The basic reproduction numbers show supporting factors and inhibitors of transmission of Zika virus. Then looking for optimal control, the principle is to control transmission of the Zika virus through reducing interactions between mosquitoes and humans, transmission from infected mosquitoes to susceptible humans, and estimates of mosquito deaths by being given insecticides. With the optimal control solution obtained, it produces a strategy to prevent and control the Zika virus and does not incur expensive costs.©2020 JNSMR UIN Walisongo. All rights reserved
The effect of Milling Time on Crystal size Sandvik Sanergy
Get PDFPreliminary study material sandvik sanergy as an alternative material for interconnect applications solid oxide fuel cell (SOFC) have been conducted. Sandvik sanergy was milled for 0, 8, 24, and 48 hr with ball milling planetary MTI Corp. The physical properties of small grain size can affect the strength of the alloy when applied as interconnect. In this study, ratio between ball miller and sandvik sanergy was 1:10 aiming to obtain a small grain size. Crystal size characterized by XRD Rigaku Smartlab, morphology of sandvik sanergy after milling observed using SEM Hithaci SU3500 20 kV. Diameter of particles were observed by particle size analyzer (PSA). Results showed that crystal size as well as particle size tended to decrease with the increasing milling time. Discrepancy occurred at 24 hour of milling time and showed agglomeration.©2020 JNSMR UIN Walisongo. All rights reserved
Eugenol isolation of Clove (Syzygium aromaticum) flower
Get PDFThe use of alternative and complementary therapies as a treatment is growing rapidly, one of them is by alternative medicine that uses steam from essential oils / essential oils from various kinds of plants that can be inhaled and smeared to cure various conditions. Clove plants (Syzygium aromaticum) are one of the producers of essential oils that can be used as an alternative treatment for herbs. In clove oil consists of several types of components. The main component possessed by clove is eugenol which has the highest number among other components. Eugenol are important compounds in clove oil. It is a clear liquid to pale yellow compound with a refreshing and spicy aroma like dried clove flowers, giving a distinctive aroma to clove oil. The purpose of this study was to determine the eugenol content of clove flower essential oil. The use of clove flowers in this study is used to improve the competency of local products that in the future can make the outputs of competitive and economical value. This study begins with the distillation process of clove flower water to get oil up to isolation of eugenol. The identification of eugenol with TLC and testing of eugenol levels with GC-MS. The results showed that the essential oil yield was 3.16%, eugenol yield 42.92%, hRf value 11.46 and with grade 97%.©2020 JNSMR UIN Walisongo. All rights reserved.
Boundedness of Pseudo-Differential Operator for S0 Class
Get PDFPseudo-differential operator in a function space is obtained from the Fourier transform of this function space with a multiplier function. This paper will discuss and prove the boundedness of pseudo-differential operator in Lebesgue space with the multiplier function is in the class S0. The evolution of the pseudo-differential theory was then rapid. Based on development from this history, it has gave birth to the general definition of pseudo-differential operator that explain in this paper The general definition of pseudo-differential, of course has an applied or representation. One of them is the problem of partial differential equations in the Poisson equation have the solution , and using Fourier transforms is obtained. In this case the form can be carried in the general form of a pseudo-differential operator. The solution can be estimated for every if operator is a bounded operator. In this paper, the operator defined with correspondes some symbol that describe this operator is more interest. The conclusion of this paper is the boundedness pseudo-differential operator , so we can estimated this number.©2020 JNSMR UIN Walisongo. All rights reserved
Classification of Pneumonia in Thoracic X-Ray images based on texture characteristics using the MLP (Multi-Layer Perceptron) method
Get PDFOne of the diseases that attack the lungs is pneumonia. This disease can attack someone with a weak immune system. Pneumonia is inflammation of the lungs that can be caused by pathogens, such as bacteria, viruses, and fungi. The purpose of this study was to classify fungal pneumonia, bacterial pneumonia, and lipoid pneumonia based on texture characteristics and the MLP method using machine learning WEKA. The method in this study has three stages including pre-processing, extraction of texture features consisting of Histogram and GLCM, and classification using the MLP (Multi Layer Perceptron) method. The results of the texture feature extraction showed that the three types of pneumonia were: lipoid pneumonia with brightness, sharp contrast & random distribution on correlation characteristics, bacterial pneumonia with high brightness, high contrast & random distribution on energy characteristics, and fungal pneumonia with brightness, sharp contrast, & random distribution of homogeneity attributes. The third similarity of pneumonia is in the gray level that collects each other in the middle. The method used in this study resulted in the same accuracy, sensitivity, and specificity, namely 100%. The image classification in this study shows the success of the texture features and the MLP method in classifying pneumonia images accurately so that they can be used as additional tools that make it easier for medical experts. ©2020 JNSMR UIN Walisongo. All rights reserved.
Decrease of Free Fatty Acid Levels in Cooking Oil Using Sugar Cane
Get PDFEdible Oil has a fairly high economic value. Cooking oil is generally used for cooking. With the condition of oil prices increasing so many times it is necessary to recycle again so as not to pollute the environment. Used cooking oil has a lot of high free fatty acid content, so it is necessary to reduce fatty acids by using absorbent ingredients. Sugarcane bagasse can be used as a purification ingredient of used cooking oil by soaking. This study aims to determine the level of soaking bagasse against free fatty acid numbers. Variable immersion for 0 hours, 24 hours, 48 hours, and 72 hours. The results of the percentage of Free Fatty Acid (ALB) levels after done, soaking time for 0 hours is 0.36%, 24 hours is 0.34%, 48 hours is 0.33%, and 72 hours is 0.29%.©2019 JNSMR UIN Walisongo. All rights reserved
Production of Hand Washing Soap from Ethanol Extract of Fern (Pteridophyta), Nampong Leaves (Siegesbeckia orientalis) and Thistle Plants (Calotropis gigantea)
Get PDFSoap is an ingredient that comes from natural oils or fats reacting with caustic soda in the process known as lathering or saponification. Hand washing soap from fern (Pteridophyta) as the main ingredient is one of the antiseptic soaps that will be made, by comparing the drug Spirulina to determine the level of anti-bacteria produced. This study uses a hot process method with a soap heating time of about 20 minutes and a heating temperature of around 80°C. The results of testing the quality of hand washing soap as an antiseptic that meets the test standards are organoleptic test, acidity test (pH), foam resistance level test, and skin irritation test. So it's good to use as a hand sanitizer to get rid of bacteria and germs. ©2019 JNSMR UIN Walisongo. All rights reserved.
Effectiveness Analysis of the Utilization Liquid Smoke Distilled from Organic Materials as an Alternative for Fish Preservation
Get PDFLiquid smoke is alternative preservation fish that does not cause pollution and does not damage the respiratory organs. Liquid smoke contains antibacterial and antioxidant so that it can preserve fish that have a fast rot character. This study aims to determine the characteristics and effectiveness of using liquid smoke as an alternative to preserving fish. The research method applied in preserving fish using liquid smoke is soaked; soaked and dried; and soaked and aerated. The variables in this study include the combination of bay leaves, lemongrass, and galangal; Pandan leaves; and tuna. The results showed that the characteristics of the liquid smoke of bay leaves, lemongrass and galangal and pandan leaves were almost the same clear color, the level of viscosity was like water, and the smell of smoke flavor each stung the distinctive aroma of organic matter. Based on data analysis, it was found that an effective way to use liquid smoke in replacing traditional fumigation was to soak it than dried in the sun. This is because soaking can increase antibacterial activity while drying can reduce water content in fish.©2019 JNSMR UIN Walisongo. All rights reserved