10 research outputs found
SK Dekan Penguji Proposal Mhs 2015 an. Alya Binti Azmi Periode November 2018
No full textSK Dekan Penguji Proposal Mhs 2015 an. Alya Binti Azmi Periode November 201
Profil Klinis Pasien Fibrilasi Atrium di RSUP Dr. M. Djamil Padang Periode 1 Januari - 31 Desember 2017
No full textFibrilasi atrium (FA) merupakan aritmia tersering di seluruh dunia dengan tingkat insidensi yang terus meningkat. Pasien FA secara umumnya memiliki kelainan struktural pada atrium. Terapi umum adalah antikoagulan untuk pencegahan stroke dan pengendalian laju dan irama jantung. Tujuan penelitian ini adalah untuk mengetahui profil klinis pasien FA di RSUP Dr. M. Djamil Padang periode 1 Januari – 31 Desember 2017.
Penelitian ini adalah penelitian deskriptif. Data sekunder diambil dari rekam medik RSUP Dr. M. Djamil Padang pada November–Desember 2018 secara total sampling. Populasi penelitian adalah semua pasien FA di Instalasi Pusat Jantung Terpadu RSUP Dr. M. Djamil Padang periode 1 Januari – 31 Desember 2017. Sampel penelitian adalah semua pasien FA yang memenuhi kriteria inklusi.
Dari 56 sampel penelitian didapatkan proporsi laki-laki dan perempuan sama banyak (50,0%). Pasien dengan jenis FA valvular dan nonvalvular adalah sebanyak 50,0%. Mayoritas pasien FA usia ≥ 60 tahun (48,2%). Sebanyak 50,0% pasien mempunyai etiologi penyakit katup jantung, dan pasien yang mempunyai komorbiditas penyakit ginjal kronik adalah sebanyak 25,0%. Keluhan terbanyak adalah sesak nafas (37,5%). Mayoritas pasien mempunyai skor CHA2DS2-VASc ≥ 2 (83,9%) dan skor HAS-BLED 0–2 (83,9%). Tatalaksana tersering dilakukan adalah terapi kendali laju (82,1%), dan terapi antikoagulan yang sering diberikan pada pasien adalah jenis antikoagulan baru (57,1%). Komplikasi terbanyak adalah gagal jantung (82,1%)
Study of using resins to increase the durability of flax and sisal fibres to be used into FRCM.
No full textThe aim of this project is to study the influence of the durability of the natural fibre coated with a
different type of resins (polyester and epoxy resins). Sisal and flax are the natural fibres used in this
study coated with polyester and epoxy resins. There are 2 polyester resins which are Cronolita and a
mixture of Cronolita and FT Silmar, and another 2 epoxy resins which are MasterBrace and
Resoltech. The samples are immersed in the alkaline solution for 24hours, 7days and 14 days as the
alkaline solution which is sodium hydroxide with the concentration of 0.1M simulated the alkaline
environment in the cementitious matric fabric. As well as taking the uncoated fibres as control
samples. After the immersion, the samples are tested for the tensile strength test using an
electromechanical MTS press and the data are recorded. From the results obtained from this
project, it is observed that the coating of sisal and flax with polyester and epoxy resins increases the
tensile strength and tensile modulus of the natural fibres.
After the immersion for 7 days, the samples coated with polyester resin (Cronolita+FT Silmar) show a
significant loss in tensile strength for flax. The flax coated with both polyester resins and epoxy
resins show loss of tensile strength and tensile modulus after the immersion in the alkaline solution.
The results show that there are physical and chemical degradation in the sample. While there is a
high scatter within the results of the sisal coated with the resins. However, it is observed that the
tensile strength is increased for the sisal coated with Cronolita and MasterBrace after the immersion
in the alkaline solution. On the other hand, the sisal coated with Cronolita+FT Silmar and Resoltech
loss their tensile strength.
In addition, the tensile modulus shows a similar pattern as the tensile strength for the sisal coated
with polyester and epoxy resins. The sisal coated with Cronolita and MasterBrace increased their
tensile modulus after the immersion in the alkaline solution while the sisal coated with Cronolita+FT
Silmar and Resoltech loss their tensile strengt
Study of using resins to increase the durability of flax and sisal fibres to be used into FRCM.
No full textThe aim of this project is to study the influence of the durability of the natural fibre coated with a
different type of resins (polyester and epoxy resins). Sisal and flax are the natural fibres used in this
study coated with polyester and epoxy resins. There are 2 polyester resins which are Cronolita and a
mixture of Cronolita and FT Silmar, and another 2 epoxy resins which are MasterBrace and
Resoltech. The samples are immersed in the alkaline solution for 24hours, 7days and 14 days as the
alkaline solution which is sodium hydroxide with the concentration of 0.1M simulated the alkaline
environment in the cementitious matric fabric. As well as taking the uncoated fibres as control
samples. After the immersion, the samples are tested for the tensile strength test using an
electromechanical MTS press and the data are recorded. From the results obtained from this
project, it is observed that the coating of sisal and flax with polyester and epoxy resins increases the
tensile strength and tensile modulus of the natural fibres.
After the immersion for 7 days, the samples coated with polyester resin (Cronolita+FT Silmar) show a
significant loss in tensile strength for flax. The flax coated with both polyester resins and epoxy
resins show loss of tensile strength and tensile modulus after the immersion in the alkaline solution.
The results show that there are physical and chemical degradation in the sample. While there is a
high scatter within the results of the sisal coated with the resins. However, it is observed that the
tensile strength is increased for the sisal coated with Cronolita and MasterBrace after the immersion
in the alkaline solution. On the other hand, the sisal coated with Cronolita+FT Silmar and Resoltech
loss their tensile strength.
In addition, the tensile modulus shows a similar pattern as the tensile strength for the sisal coated
with polyester and epoxy resins. The sisal coated with Cronolita and MasterBrace increased their
tensile modulus after the immersion in the alkaline solution while the sisal coated with Cronolita+FT
Silmar and Resoltech loss their tensile strengt
Study of using resins to increase the durability of flax and sisal fibres to be used into FRCM.
No full textThe aim of this project is to study the influence of the durability of the natural fibre coated with a
different type of resins (polyester and epoxy resins). Sisal and flax are the natural fibres used in this
study coated with polyester and epoxy resins. There are 2 polyester resins which are Cronolita and a
mixture of Cronolita and FT Silmar, and another 2 epoxy resins which are MasterBrace and
Resoltech. The samples are immersed in the alkaline solution for 24hours, 7days and 14 days as the
alkaline solution which is sodium hydroxide with the concentration of 0.1M simulated the alkaline
environment in the cementitious matric fabric. As well as taking the uncoated fibres as control
samples. After the immersion, the samples are tested for the tensile strength test using an
electromechanical MTS press and the data are recorded. From the results obtained from this
project, it is observed that the coating of sisal and flax with polyester and epoxy resins increases the
tensile strength and tensile modulus of the natural fibres.
After the immersion for 7 days, the samples coated with polyester resin (Cronolita+FT Silmar) show a
significant loss in tensile strength for flax. The flax coated with both polyester resins and epoxy
resins show loss of tensile strength and tensile modulus after the immersion in the alkaline solution.
The results show that there are physical and chemical degradation in the sample. While there is a
high scatter within the results of the sisal coated with the resins. However, it is observed that the
tensile strength is increased for the sisal coated with Cronolita and MasterBrace after the immersion
in the alkaline solution. On the other hand, the sisal coated with Cronolita+FT Silmar and Resoltech
loss their tensile strength.
In addition, the tensile modulus shows a similar pattern as the tensile strength for the sisal coated
with polyester and epoxy resins. The sisal coated with Cronolita and MasterBrace increased their
tensile modulus after the immersion in the alkaline solution while the sisal coated with Cronolita+FT
Silmar and Resoltech loss their tensile strengt
Profil Klinis Pasien Fibrilasi Atrium di RSUP Dr. M. Djamil Padang Periode 1 Januari – 31 Desember 2017
No full textFibrilasi Atrium (FA) merupakan aritmia tersering di seluruh dunia dengan tingkat insidensi yang terus meningkat. Pasien FA secara umumnya memiliki kelainan struktural pada atrium. Terapi umum adalah antikoagulan untuk pencegahan stroke dan pengendalian laju dan irama jantung. Tujuan: Mengetahui profil klinis pasien FA di RSUP Dr. M. Djamil Padang periode 1 Januari sampai 31 Desember 2017. Metode: Ini adalah penelitian deskriptif. Data sekunder diambil dari rekam medik RSUP Dr. M. Djamil Padang pada November–Desember 2018 secara total sampling. Populasi penelitian adalah semua pasien FA di Instalasi Pusat Jantung Terpadu RSUP Dr. M. Djamil Padang periode 1 Januari sampai 31 Desember 2017. Sampel penelitian adalah semua pasien FA yang memenuhi kriteria inklusi. Hasil: Dari 56 sampel penelitian didapatkan proporsi laki-laki dan perempuan sama banyak (50,0%). Pasien dengan jenis FA valvular dan nonvalvular adalah sebanyak 50,0%. Mayoritas pasien FA usia ≥ 60 tahun (48,2%). Sebanyak 50,0% pasien mempunyai etiologi penyakit katup jantung. Pasien yang mempunyai komorbiditas penyakit ginjal kronik adalah sebanyak 25,0%. Keluhan terbanyak adalah sesak nafas (37,5%). Mayoritas pasien mempunyai skor CHA2DS2-VASc ≥ 2 (83,9%) dan skor HAS-BLED 0–2 (83,9%). Tatalaksana tersering dilakukan adalah terapi kendali laju (82,1%). Terapi antikoagulan yang sering diberikan pada pasien adalah jenis antikoagulan baru (57,1%). Komplikasi terbanyak adalah gagal jantung (82,1%)
Coloured Backgrounds and Dyslexia: Evidence from eye movements
No full textDevelopmental dyslexia is a neurodevelopmental disorder characterised by impaired word recognition and slower reading speed (Peterson & Pennington, 2012). Despite these linguistic deficits, visual interventions, such as coloured overlays and backgrounds, are routinely used to ameliorate reading difficulties faced by dyslexic readers. This pre-registered experiment will examine the effectiveness of coloured backgrounds to promote reading efficiency in dyslexic and non-dyslexic readers during real-time sentence reading. Specifically, we will use eye-tracking to examine sentence and target word reading when using a yellow or white (control) background.
Despite the widely held view of a central phonological deficit in dyslexia, roughly half of dyslexic individuals are also diagnosed with visual stress, also known as Meares-Irlen syndrome (Irlen, 1991, 1997). Symptoms of visual stress include fatigue, blurring of words, and headaches (Irlen, 1991; Singleton & Trotter, 2005). Coloured overlays have been used to combat visual stress, but the evidence base is far from conclusive. Early studies found favourable results (e.g., Kriss & Evans, 2005). However, it appears that these benefits may be a placebo effect as children are typically asked to select the overlay colour that they believe to be beneficial. Evidence from randomised control trials, where participants are assigned overlays, is consistent with this suggestion as there’s no benefit associated with overlays when reading jumbled sentences (e.g., Wilkins et al., 1994).
In addition to the placebo effect, overlay research is limited by the fact that it often requires participants to read jumbled sentences containing 15 high-frequency words. This makes it difficult to infer the effects of overlays on natural reading. To tackle this issue, Henderson et al. (2013) presented 16 dyslexics and 26 non-dyslexics with two non-fictional passages of text. One passage was read with an overlay, and one passage was read without. Henderson et al. assessed the effects of overlays on both reading comprehension of the text and reading rate. From their analysis, it was clear that there was no benefit of using overlays for comprehension or reading rate; there was no significant main effect of overlay or evidence of an interaction between overlay and group for either outcome measure. In addition to reading passages of text, Henderson et al. asked the same participants to read unconnected, jumbled texts like those in previously discussed studies. When reading these jumbled texts, both dyslexics and non-dyslexics benefited from overlays, but the dyslexic participants did not benefit from overlays to a greater extent than those without dyslexia. This suggests that the benefit of overlays observed when reading jumbled, unconnected texts do not transfer over to the reading of connected texts.
Despite the lack of empirical evidence supporting the use of overlays, recent studies have begun to investigate the use of colour backgrounds on reading in dyslexia. For example, Rello and Bigham (2017) investigated the benefit of 10 coloured backgrounds on reading in 341 participants (84 dyslexics), and found favourable results for warm colours, such as yellow. However, Rello and Bigham had one observation per colour per participant and they relied on a crude measure of reading speed (the time from the start to the end of the trial). In a previous study (https://osf.io/wxtvn), we looked to investigate the effect of yellow backgrounds on real-time reading using a self-paced reading paradigm. We compared sentence and target word reading times in 31 dyslexic and 30 non-dyslexic participants when reading from a white or yellow background. Importantly, reading times in both groups did not differ when reading from white or yellow backgrounds. This null effect could not be attributed to a lack of engagement with the task as scores on comprehension questions were near ceiling and we detected a frequency effect, indicating that reading time measurements captured costs associated with processing less common words. Therefore, we conclude that yellow backgrounds do not benefit sentence and target word reading times in dyslexics or non-dyslexics.
One limitation of our prior study was that it made use of a self-paced reading task where words were masked and uncovered via a button press. Like studies involving the reading of high-frequency words, the experience of readers during the task is far from real sentence reading. Thus, we look to examine the benefit of coloured backgrounds in a more naturalistic manner (i.e., free reading) using eye-tracking. We retain the 2 (group: dyslexic, non-dyslexic), x 2 (background: yellow, white) x 2 (frequency: high, low) design used in our previous study (https://osf.io/wxtvn) and all experimental items remain the same
Seismic buoy redesign
No full textTreball desenvolupat dins el marc del programa 'European Project Semester'
Seismic buoy redesign
No full textTreball desenvolupat dins el marc del programa 'European Project Semester'
Seismic buoy redesign
No full textTreball desenvolupat dins el marc del programa 'European Project Semester'
