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Journal of Science Innovare
Published by Universitas Pakuan
ISSN : 26153769     EISSN : 26153750     DOI : -
Core Subject : Health, Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Engineering Medicine & Pharmacology
Journal of Science Innovare is an academic journal that publishes scientific papers in the field of Science Innovare. This journal is published two times a year (March and September) by Lembaga Penelitian dan Pengabdian Pada Masyarakat, Universitas Pakuan Bogor since 2017. The scope of journal are: all science and technology research areas including Physics, Chemistry, Biology, Mathematics, Statistics, Biodiversity, Food Science Technology, Engineering Science and Educational Science.
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Articles 128 Documents
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PALM KERNEL SHELL AS AN ALTERNATIVE AGGREGATE ON HIGH PERFORMANCE CONCRETE CONCRETE Heny Purwanti; Titik Penta Artiningsih
Journal of Science Innovare Vol 1, No 2 (2018): Journal of Science Innovare, Volume 01 Number 02 2018
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v1i02.1004

Abstract

Coarse aggregates commonly used in concrete are coarse natural aggregates, which are broken stones or gravel. Continuous rock exploration can cause environmental damage or even more severe ecosystem damage. Therefore it is necessary to substitute an alternative aggregate. Indonesia has the second largest oil palm plantation (Elaeis guineensis Jacq) in the world after Malaysia. Plantations are renewable resources, so palm oil is also potential to be used as an alternative to diesel fuel. Palm kernel shells are palm oil industry wastes which are generally underutilized. Palm kernel shells can be used as an alternative to coarse aggregate, because oil palm shells have the advantage of being hard, tough and good durability due to the high content of lignin and silica dioxide (SiO2), such as hard wood, but low cellulose content so it is not easy rot. The strength of the palm oil shell is quite good. In addition, the aggregate gradation also fulfills the requirements without a breakdown process, which has a thickness of 2-4 mm and a maximum width of 15 mm. The volume of oil palm shells is + 600 kg/m3, so it will produce significant light weight concrete. The concrete studied was concrete with a coarse aggregate of tenera palm kernel shells, with fine aggregates of natural sand, and a Portland Composite Cement (PCC), but the PCC content was reduced and replaced by FA which varied from 0%, 5%, 10 %, 15%, 20 and 25%. Concrete also added superplasticizer (SP). SP is used to reduce water use, because the shell absorbs water. SP levels also vary, namely 0%, 1%, and 1.2%. The weight of the volume of concrete with various levels of fly ash and SP is 1700-1800 kg/m3, so it can be classified as lightweight concrete. Increased FA levels will increase compressive strength, but only up to 10%, after which the strength decreases. Compressive strength of specimens with SP 0% and FA 10% is 17.92 MPa, for SP levels of 1% and FA 10% is 22.15 MPa, while for SP levels of 1.2% and FA 10% is 19.35 MPa . So that it can be concluded that the palm shell as bio-material (renewable resources) can be used as a substitute for natural coarse aggregates. The optimum fly ash level is 10%, and to reduce water use SP 1%. The use of oil palm shells as a substitute for gravel means reducing the waste of the palm oil industry, while reducing rock exposures. In addition, in Indonesia there are many areas where there are no rock sources while oil palm plantations are quite extensive.
Telerehabilitation Application In Post Stroke Patients After Hospitalization Irmina Ika Yuniarti
Journal of Science Innovare Vol 6, No 1 (2023): Journal of Science Innovare, Volume 06 Number 01 2023
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v6i1.7733

Abstract

Nursing services include promotive, preventive and rehabilitative. Rehabilitation of post-stroke post-hospitalized patients is growing rapidly along with the development of internet use and advances in information technology. Telerehabilitation is an innovation to make it easier for patients to get rehabilitation services as a continuation after treatment at the hospital to improve their motor, speech and psychosocial abilities as a result of a stroke. Telerehabilitation increases the client's comfort in doing exercises during rehabilitation both at home, in the community, health facilities that are easy to reach to help restore the patient's ability to be independent. Several countries have developed telerehabilitation to provide post-hospitalized post-stroke telerehabilitation services considering that there are so many benefits to be gained that it is necessary to consider applying the telerehabilitation system in Indonesia with various adjustments so that it can be implemented optimally.
Utilization Of White-Meat, Red-Meat And Super Red Dragon Fruit (Hylocereus sp) Skin Waste As An Alternative Food Source Yulian Syahputri; Diana Widiastuti
Journal of Science Innovare Vol 1, No 1 (2018): Journal of Science Innovare, Volume 01 Number 01 2018
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v1i01.679

Abstract

Dragon fruit skin, waste material (dragon fruit waste), will have a profitable sale value if it can be used as a food raw material. Dragon fruit skin waste contains relatively high dietary fiber so it can be used as a food raw material. This study aims to utilize dragon fruit skin waste for the manufacture of dragon fruit skin flour as an alternative food source. Some tests are made on white-meat dragon fruit skin, red-meat dragon fruit skin and super red dragon fruit skin. The preliminary study is the soaking of the three types of dragon fruit skin in two solutions, namely 0.1% sodium citrate and 0.1% sodium metabisulfite to prevent the browning effect on flour. Dragon fruit skin flour from the soaking with both solutions is then characterized physically, including its texture, color, flavor and rendement. The best physical characterization is followed by chemical characterization, including the contents of  water,  ash, protein, fat, carbohydrate, dietary fiber, minerals (Fe, Na, K, Ca and P), and also microbiological characterization of Escherichia coli, molds and Bacillus cereus. The chemical and microbiological characterization shows that the red-meat dragon fruit skin flour has better results than the white-meat and super red dragon fruit skin flour does. The red-meat dragon fruit skin flour contains 8.80% water, 0.20% ash, 2.35% fat, 7.69%, protein, 68,29% carbohydrate and 28,72% dietary fiber as well as 4.40 mg K, 8.76 mg Na , 0.65 mg Fe , 10.20 mg Ca and 32.58 mg P. Keywords: Waste, Dragon Fruit Skin, Dragon Fruit Skin Powder, Alternative Food Source
CASSAVA WASTE AS AN ADDITIONAL SOURCE OF ORGANIC COMPOSES Nadhia Nurul Haq
Journal of Science Innovare Vol 2, No 2 (2019): Journal of Science Innovare, Volume 02 Number 02 2019
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v2i2.1532

Abstract

This research aims to determine the effectiveness of adding powder cassava waste in compost making. Versatile in making compost. This research uses a Completely Randomized Design consisting of 4 settings with 3 replications with different amounts. The parameters chosen were composting temperature, composting fermentation time period, composting humidity, acidity composting and continued with water spinach growth vegetative test. Data analysis using one-way ANOVA test and further tests with Duncan's Multi Range Test at 1% significance level. Research results for 30 days in making compost with cassava powder complement, like fertilizer after growth, Vegetative ground spinach (ipomoea reptans) did not show a significant effect or no effect
STUDIES ON PREPARATION OF Fe(III)/TiO2 BY SOL-GEL METHOD Linda J Kusumawardani; Yulian Syahputri
Journal of Science Innovare Vol 2, No 1 (2019): Journal of Science Innovare, Volume 02 Number 01 2019
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v2i01.1523

Abstract

In this study, Fe/TiO2 powder was synthesized by sol-gel method using mixture of Titanium Tetraisopropoxide (TTIP) as precursor and FeCl3 as iron source of 10% (w/w). The Fe/TiO2 powder was calcined at 500 °C for 1 hour. The sample of Fe/TiO2 was characterized using FTIR anad DRS measurements. FTIR analysis showed that Fe was successfully doped on TiO2 and then DRS analysis proved that the visible light was absorbed by Fe/TiO2 with its band gap energy up to 2.3 eV
PHYTOCHEMICAL CHARACTERIZATION AND TANNIN STABILITY TEST FROM KLUWEK (Pangium edule Reinw) Siti Warnasih; Uswatun Hasanah
Journal of Science Innovare Vol 1, No 2 (2018): Journal of Science Innovare, Volume 01 Number 02 2018
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v1i02.1000

Abstract

One of the herbs that can be used as a source of natural dye is the kluwek which is brown. This study aims to determine the type of secondary metabolite compounds producing color, and to determine the stability of tannin in various conditions such as pH, oxidizing, UV rays, heating temperature, and storage using UV-Vis spectrophotometry method. This research includes preparation of kluwek, extraction with acetone:water (7:3) with maceration method, phytochemical test (tannin, flavonoid, carotenoid, and anthocyanin) and total tannins, and tannin stability test on various pH, oxidizing, UV rays, temperature and duration of heating, and storage using the UV-Vis spectrophotometry method. The results obtained are kluwek extract containing tannin, flavonoid, carotenoid, and anthocyanin compounds, and  total tannins 2.80%. Based on the tannin content, kluwek extract stable at pH 6-7, heating 60-80 oC, and storage up to 9 days at temperature 27 °C, and kluwek extract unstable when contact with 1% H2O2, UV light, and if kept at cold temperature (10 ˚C).
DEVELOPMENT OF COD (CHEMICAL OXYGEN DEMAND) ANALYSIS METHOD IN WASTE WATER USING UV-VIS SPECTROPHOTOMETER Uswatun Hasanah; Ade Heri Mulyati; Sutanto .; Diana Widiastuti; Siti Warnasih; Yulian Syahputri; Tri Panji
Journal of Science Innovare Vol 3, No 2 (2020): Journal of Science Innovare, Volume 03 Number 02 2020
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v3i2.3007

Abstract

The COD (Chemical Oxygen Demand) analysis method based on the Indonesian National Standard (SNI) is a revision of SNI 06-6989.2-2004, Water and wastewater - Part 2: Method of testing for chemical oxygen demand (COD) with closed reflux spectrophotometrically. This SNI uses references from international standard methods, namely Standard Methods for the Examination of Water and Wastewater, 21st Edition, editor of LS Clesceri, AE Greenberg, AD Eaton, APHA, AWWA and WEF, Washington DC, 2005, Methods 5220 D (Closed Reflux, Colorimetric Methods). The purpose of this study was to validate the total method for testing chemical oxygen demand (COD) in water and wastewater with the reduction of Cr2O7 2- spectrophotometrically in the range of COD values of 100 mg / L to 900 mg / L measurements were made at a wavelength of 600 nm. and COD values less than or equal to 90 mg / L measurements were made at a wavelength of 420 nm. The results showed that the method SNI 06-6898.2- 2009  has good validation results including the r results obtained from the calibration curve equation of 0.998, a precision of 1.82%, an accuracy of 98.25% and LOD and LOQ of 12.27 mg / L and 25, 61 mg / L.
Isoflavone, Nutrients Intake and Stress Level To Premenstrual Syndromes Cantika Zaddana
Journal of Science Innovare Vol 1, No 1 (2018): Journal of Science Innovare, Volume 01 Number 01 2018
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v1i01.674

Abstract

Menstruation is a characteristic of puberty in adolescent girls. Adolescent girls often have complaints of premenstrual syndrome (PMS) that is characterized by a collection of physical and psychological symptoms which occur in 7 to 10 days before menstruation. Studies have shown that there are several ways to relieve PMS. Therefore, the main objective of this study was to analyze isoflavone, nutrients intake, and stress level to Premenstrual Syndromes in adolescent girls in Bogor, West Java. The study was conducted on 100 girls aged 15-16 years at two high schools in Bogor. This present study showed that the majority of adolescent girls had PMS which most of them suffered severe symptoms. Results showed that the isoflavone and nutrients intake were not significantly associated with premenstrual syndromes. Stress level had a positive correlation to the PMS but did not seem to be a risk factor to PMS. Howefer, this implies that controling stress is important so that young women can avoid severe premenstrual syndromes. Keywords: Adolescent Girls, Isoflavone, Nutrients, Stress, Premenstrual Syndromes
Determination of the Groundwater Recharge Coefficient of the Upper Cisadane River - Cisadane Sub-Watershed Karmadi, Muhammad Agus
Journal of Science Innovare Vol 7, No 1 (2024): Journal of Science Innovare, Volume 07 Number 01 2024
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v7i1.10621

Abstract

Recharge groundwater naturally manifested by curved shrinkage (recession curve) elementary streams (base flow) is a very important component of the flow stream produced by the inflow through the process of rainfall infiltration into percolation and finally donated to soil water deposits.This research aims to know the quantity of groundwater Coefficient Recharge tentative Natural Cisadane River Watershed with an area of 842.69 Km², where the magnitude of the suffixes can be used as the basis for the determination of soil water uptake in the region allow question-based environment that is sustainable, so that sustainable utilization/groundwater remain sustainable.In addition the value of the coefficient of the term can also be used to indirectly set the magnitude of the numerical groundwater in surrounding watershed in the process of regionalization.The most common watershed characteristics affecting large affixes which include variable rainfall, geology, soil infiltration rates, factor flow base, and land cover.The study was carried out to obtain the estimated average value of affix using Recessive Curves (curvilinear depreciation/recession curve) of the daily discharge data for the period 1980 – 2015 acquired from Water Resources R D Center in Bandung. The average rainfall value is sought by the Isohyet method and then the value of the additive coefficient (Recharge Coefficien) can be determined, by dividing recharge value and rainfall avarage of the watershed area. The Value of the Recharge Coefficient (RC) obtained based on a calculation of 0.14 %. While based on the calculation of the benefits that occur in rock formations get the value of the Recharge Coefficient (RC) of: 742.11 x 106 m3/year. The amount of groundwater that can be released or flowed during the dry/dry season is: 172.70 x 106 m3/year, or about 98.27 %. The decline in the contribution of the suffixes in the Cisadane River Watershed can impact on the depletion of water sources during the dry season.Therefore, the need to management of water resources and integrated watershed conservation efforts and sustainable as a solution decrease the suffixes, so that quality, quantity, and continuity of water resources on a watershed Cisadane can awake.
Making Compost Using Organic Solid Waste Cahaya, Andhika; Nugroho, Dody Adi
Journal of Science Innovare Vol 6, No 2 (2023): Journal of Science Innovare, Volume 06 Number 02 2023
Publisher : Universitas Pakuan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33751/jsi.v6i2.10637

Abstract

This research using the vegetables garbage, baggase, and goat dirt. The research quickened with addition of EM-4 bacterium. The variation of research is, mixture between vegetables garbage and goat dirt (variable A), vegetables garbage and baggase (variable B), baggase and goat dirt (variable C),and the last mixture betwen vegetables garbage, baggase and goat dirt. All the variable added by 10 ml of EM-4 bacterium. Research conducted by aerobic method. Conclusion obtained from this research is the mixture of vegetables garbage and goat dirt (variable A) more easily becoming compost than other variable. Require to be underlined, addition of baggase into variable B, C, and D cause the mixture more difficult become compost. Compost maturity seen from C/N ratio. C/N ratio of compost variable A is 17.45, this is according to value of compost quality at SNI 19-7030-2004. Usually compost experience of the maturation in 30 day, but in mixture with baggase the time of maturation is longer.

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