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Journal of Biomedical Science and Bioengineering
Published by Universitas Diponegoro
ISSN : -     EISSN : 27764052     DOI : -
Core Subject : Science, Engineering,
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering
This journal has the scope of all aspects of biomedical science and bioengineering. Its scope also covers medical sciences, signal processing, biomaterial, medical diagnostic tools, ergonomy as well as all related studies.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 5 Documents
 1 
Search results for , issue "Vol 1, No 1 (2021)" : 5 Documents clear
On the design of Remote Health Monitoring System Mohanad Abdulhamid; Muchisu Albert
Journal of Biomedical Science and Bioengineering Vol 1, No 1 (2021)
Publisher : Center for Biomechanics, Biomaterials, Biomechantronics and Biosignal Processing (CBOIM3S)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1038.902 KB) | DOI: 10.14710/jbiomes.2021.v1i1.32-38

Abstract

With improvement in technology and miniaturization of sensors, there have been attempts to utilize the new technology in various areas to improve the quality of human life. One main area of research that has seen adoption of the technology is the healthcare sector. The people in need of healthcare services find it very expensive, this is particularly true in developing countries. With improvement in technology previously expensive hospital equipment have been redesigned using current technology. The developments have seen a trend known as remote healthcare or previously known as Telemedicine. As a result, this paper is an attempt to solve a healthcare problem facing the society. The main objective of the paper is to design a remote healthcare system. It is comprised of three main parts. The first part being detection of a fall, second being detection of electrocardiogram commonly referred to as ECG or EKG( heartbeat detection) and the last part is providing the detected data for remote viewing. Remote viewing of the data enables a doctor or health specialist to monitor a patient’s health progress away from hospital premises.
Heart Rate Variability Analysis and The Influence of Exercise Intensity Over Time in Young-healthy Women Aisha Widi Rahayu; Izza Alifa Hassya; Eki Dipo Laksono; Alvin Sahroni
Journal of Biomedical Science and Bioengineering Vol 1, No 1 (2021)
Publisher : Center for Biomechanics, Biomaterials, Biomechantronics and Biosignal Processing (CBOIM3S)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.755 KB) | DOI: 10.14710/jbiomes.2021.v1i1.1-6

Abstract

Our heart is a vital organ that pumps blood and through the vessels of the circulatory system. In medical applications, we can observe the heart rate using Electrocardiograph (ECG). Currently, people tend to have high working activity without a proper exercise intensity. This study was conducted to observe the heart rate variability (HRV) on the healthy young woman who was not doing any exercise. We evaluated the HRV characteristics while exercising with a regular period and different intensity (light to hard) and how the difference before and after of evaluation period. Seven young-healthy women (19 - 21 years old) women were observed during three observation stages: pre-exercise, main exercise-period, and post-exercise for 2 months. We analyzed MeanRR, SDRR, CVRR, rMSSD, VLF, LF, HF, and the Poincaré plot parameters (SD1 and SD2) as the HRV properties. We found that SDRR was decreased from the first week (0.08 s) to the last week of the evaluation period (0.03 s) followed by the HF component (0.15 – 0.2 Hz). The Poincaré plot properties also reduced from the first week to the last week of the exercise period (0.07 s to 0.03 s). We indicated the characteristics of a woman's HRV during regular exercise periods with different intensity have made the heart more effective in pumping blood. We concluded that the heart condition would be improved during regular exercise with the increment of intensity even in a short of a period. Finally, the heart rate performance may be decreased during absent from regular exercise for a month.
Multiparameter Biosignal Analysis in Elderly Ischemic Stroke Patients Muhammad Zakariyah; Alvin Sahroni; Erlina Marfianti
Journal of Biomedical Science and Bioengineering Vol 1, No 1 (2021)
Publisher : Center for Biomechanics, Biomaterials, Biomechantronics and Biosignal Processing (CBOIM3S)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (414.068 KB) | DOI: 10.14710/jbiomes.2021.v1i1.7-16

Abstract

Biosignal can provide information about body conditions, including physiological conditions of ischemic stroke. The regulation of blood in the brain is regulated through the mechanism of Cerebral Autoregulation (CA). Some parameters that can be used to determine this mechanism are Blood Flow Velocity (BFV) and Blood Pressure (BP). Stroke is also related to nervous system activity, which is represented through the Heart Rate Variability (HRV). This study aims to determine the relationship between those biosignals and their effects on the physiology of ischemic stroke sufferers. The subjects were divided into two groups (20 strokes and 20 controls). BFV data is obtained in the Middle Cerebral Artery (MCA), BP is obtained through the arteries of the upper arms, and 3 leads electrocardiogram is placed in the chest. The results showed that there was a relationship between BP and BFV in the control group (p-value < 0.05; r = -0.574). This correlation was not found in the stroke group. The relationship between BP and HRV was only found in the stroke group, which was associated with high sympathetic activity and lower parasympathetic activity (p-values < 0.05 and r > 0.4). It was based on SDRR, RMSSD, CVRR, LF, and SD1 parameters. In the control group, there was no relationship between HRV and BP. The relationship between BFV and HRV in the control group was not found statistically. Still, in the stroke group, this relationship was found in the LF and LF/HF Ratio parameters (p-value < 0.05; r > 0.4). Based on this research, parameters on HRV that can be used to determine the characteristics of stroke patients in all positions are MeanRR, VLF, and LF
Effect of Using Coolant on the Formation of Microcracks, Burr and Delamination in Bone Drilling Process Rusnaldy Rusnaldy; Pratama Eka Putra Sijabat; Paryanto Paryanto; Toni Prahasto
Journal of Biomedical Science and Bioengineering Vol 1, No 1 (2021)
Publisher : Center for Biomechanics, Biomaterials, Biomechantronics and Biosignal Processing (CBOIM3S)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (783.313 KB) | DOI: 10.14710/jbiomes.2021.v1i1.17-26

Abstract

Direct approach for bone fracture treatment usually involves restoring the fractured parts to their initial position and immobilizing them with plates, screws and wires. This approach needs a bone surgery drilling to produce hole for screw insertion. But this drilling process causes mechanical damages, i.e microcracks, burr formation and delamination, that can reduce the stability of the fixation. One of the ways to minimize it is by using coolant. Moreover, it is noted that bone has anisotropic microstucture. The object of this study is to understand the effect of coolant on mechanical damages that occur in bone drilling and to understand the effect of microstructure difference on microcracks that occur in the drilled walls holes. Adult bovine bones and adult goat bones were used in this study as the specimens to represent differences in cortical bone microstructure. Five consecutive holes from the distal to the proximal in each specimen were generated using manual hand-drill (spindle speed (n) = 1000 rpm; drill bit (d) = 4 mm diameter) with the use of coolant as variation. The drilling holes then stained and observed using a microscope. As the result, it was found that the use of coolant can significantly reduce the drilling temperature. Microcracks, burr formation and delamination were found to be quite large in the drilling holes without coolant. However, there is no microcrack found in the drilling holes with coolant, there is only a small number of burr formation was found. In addition, it was found that the differences in bone microstructure affect the number and length of microcracks that occur in the wall of the hole. It can be concluded from this study that the application of coolant is very effective to reduce the drilling temperature and enhancing the quality of the hole generated by bone drilling and the higher the density of osteon in cortical bone, the easier the microcrack to initiate and propagate.
Review of the temperature and holding time effects on hydroxyapatite fabrication from the natural sources Akhlis Rahman Nurhidayat; A. P Bayuseno; Rifky Ismail; Rilo Berdin Taqriban
Journal of Biomedical Science and Bioengineering Vol 1, No 1 (2021)
Publisher : Center for Biomechanics, Biomaterials, Biomechantronics and Biosignal Processing (CBOIM3S)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (311.196 KB) | DOI: 10.14710/jbiomes.2021.v1i1.27-31

Abstract

Biomaterial development is currently being carried out to help people who have daily needs. Hydroxyapatite has biocompatibility properties and suitables for the use as a biomaterial. Hydroxyapatite can be found in natural sources sometimes as waste. One of the hydroxyapatite fabrication methods is calcination process. Calcination and sintering are used to obtain the desired Ca/P ratio of the hydroxyapatite. This paper reviews several research which have been published by researchers to withdraw the connection during calcination process, with respect to the temperature and holding time effects on hydroxyapatite fabrication from the natural organism. The effect of temperature and holding time determines the yield of Ca/P ratio which affects the resulting mechanical properties. Choosing the right temperature and holding time will produce Ca/P which meets the standard

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