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Isolasi Gen Penyandi Peroksidase melalui Penapisan terhadap Pustaka Genom Kedelai Kultivar Slamet Suharsono, Suharsono; Rachman, Faisal; Astuti, Utut Widy
Jurnal Natur Indonesia Vol 12, No 1 (2009)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Screening to genomic library of soybean cultivar Slamet in ë phage to isolate the gene encoding for peroxidase(per) was performed by two steps. cDNA of per gene from Arabidopsis thaliana labeled by alkalin phosphatasewas used as probe. The first screening was done by using 105 recombinant pfu (plaque forming unit). The secondscreening was carried out on 100 recombinant pfu isolated from the first screening. The result of second screeningshowed that all screened clones were supposed containing per gene. The ë phage resulted from second screeningwas infected into E. coli BM 25.8. Due to the Cre recombinase in E. coli BM 25.8, two lox P sites flanking the insertDNA of soybean created recombination. The recombination in loxP sites resulted the excision and formedrecombinant plasmid containing per gene of soybean. To multiply, the recombinant plasmid was introduced into E.coli DH5á. Analysis southern hibridization of recombinant plasmid cut by Bam HI showed that Bam HI 3.7 kbfragmen of S52121R clone, 5,3 kb of S2412R clone, 2,4 and 5,3 kb fragments of S2532R clone were supposed tocontain per genes.

"Does Inflation Targeting Framework Make a Significant Difference in Lowering Price Level?” What is Its Implication to Indonesia’s Inflation Rate? Faisal Rachman
Economics and Finance in Indonesia Volume 61, Number 2, August 2015
Publisher : Institute for Economic and Social Research

AbstractIn the last two decades many countries have been starting to employ Inflation Targeting Framework (ITF) as their main monetary policy framework. This is done to achieve an objective of anchoring public expectation on inflation which in the end will steer the price level movement towards ITF’s ultimate target of relatively low and stable inflation rate. By conducting Difference-in-Difference method on panel data consisting of five countries implementing ITF since 2001 and twenty-one selected non-ITF countries for period 1990-2010, it is statistically proved that ITF adoption has a significant effect on inflation. In case of Indonesia, through Structural Break approach, the implementation of ITF since 2005 is also proved able to lower and stabilize inflation rate.Abstrak Dalam dua dekade terakhir ini banyak negara yang telah mulai menggunakan Inflation Targeting Framework (ITF) sebagai kerangka utama kebijakan moneter mereka. Hal ini dilakukan guna mencapai tujuan pengendalian ekspektasi publik yang pada akhirnya akan mengendalikan pergerakan tingkat harga relatif rendah and stabil. Dengan menggunakan metode Difference-in-Difference pada data panel, yang terdiri dari lima negara yang telah mengimplementasikan ITF sejak tahun 2001 dan dua puluh satu negara bukan pengguna ITF, untuk periode 1990-2010, disimpulkan bahwa ITF memiliki dampak signifikan pada tingkat inflasi. Untuk kasus Indonesia yang telah mengimplementasikan ITF sejak tahun 2005, melalui metode Structural Break disimpulkan hasil yang sama, yaitu tingkatan harga yang rendah dan stabil.

"Does Inflation Targeting Framework Make a Significant Difference in Lowering Price Level?" What is Its Implication to Indonesia's Inflation Rate? Rachman, Faisal
Economics and Finance in Indonesia Vol. 61, No. 2
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

In the last two decades many countries have been starting to employ Inflation Targeting Framework (ITF) as their main monetary policy framework. This is done to achieve an objective of anchoring public expectation on inflation which in the end will steer the price level movement towards ITF's ultimate target of relatively low and stable inflation rate. By conducting Difference-in-Difference method on panel data consisting of five countries implementing ITF since 2001 and twenty-one selected non-ITF countries for period 1990-2010, it is statistically proved that ITF adoption has a significant effect on inflation. In case of Indonesia, through Structural Break approach, the implementation of ITF since 2005 is also proved able to lower and stabilize inflation rate.

Is Inflation Target Announced by Bank Indonesia the Most Accurate Inflation Forecast? Rachman, Faisal
Economics and Finance in Indonesia Vol. 62, No. 2
Publisher : UI Scholars Hub

Show Abstract | Download Original | Original Source | Check in Google Scholar

This article investigates whether following Bank Indonesia's explicit inflation targets (forward-looking) is a more accurate method of predicting inflation rate in Indonesia than forecast methods utilizing past information of macroeconomic data (backward-looking). The analysis is conducted by performing naive, univariate, and multivariate time-series models with an out-of-sample forecast evaluation period of January 201-December 2016. It is found that the backward-looking approach outperforms the forward-looking approach at all forecast horizons, indicating that Bank Indonesia still does not succeed to anchor inflation expectation towards the desired level.

PYROMETALLURGICAL PROCESS FOR ZINC ANALYSIS IN SPHALERITE APPLYING XRD AND XRF Dahani, Wiwik; Kurniawati, Riskaviana; Sundari, Rita; Marwanza, Irfan; Rachman, Faisal
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1525

This paper has analyzed dominant zinc element in sphalerite naturally found together with galena in mineral ore. Since pyrometallurgical route related to roasting process is very common to mineral dressing, therefore, this investigation has studied the effect of varied roasting time (30 min, 60 min, and 90 min) and temperature (500oC, 600oC, and 700oC) on zinc mineral examination using XRD (X-Ray Diffraction) and zinc element using XRF (X-Ray Fluorescence) analyses. Previous studies usually applied cheaper AAS (Atomic Absorption Spectrometer) for zinc analysis in aqueous solution, however, sphalerite is a solid matrix and therefore, this study has applied XRF to analyze zinc. Pyrometallurgical process of zinc mineral in sphalerite is related to mineral transformation in the form of ZnSO4, ZnS, and ZnO that cannot be detected by XRF. Therefore, this study has used XRD that can observe mineral transformation. The XRD pattern shows four intense peaks at 2θ (28o, 47o, 56o, and 76o) justified sphalerite (ZnS) sample with little amount of pyrite (FeS2) and galena (PbS) as impurities. The XRF analysis shows from 30 min to 90 min, the Zn content has increased remarkably at 700oC and Zn content looked stagnant at 500oC, while Zn content increased dramatically from 60 min to 90 min at 600oC. During roasting process at high temperature, ZnS mineral converted to ZnO and expelled SO2 gas due to oxidation reaction causing weight reduction. The study is valuable for mineral processing in searching for optimization.

Correlation between Ascaris Lumbricoides Infection and The Results of Skin Prick Test using Allergen from Ascaris Worms in Students of Koto Baru 047/XI Elementary School with Atopic History in Pesisir Bukit Sub-District Sungai Penuh City Jambi Province Rachman, Faisal; Depari, Aman A.P.; Arrasyid, Nurfida Khairina
Buletin Farmatera Vol 6, No 3 (2021)
Publisher : Universitas Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/bf.v6i3.3965

Infectious diseases, intestinal worms that are transmitted through the soil (Soil-transmitted helminthiasis) is common infection that involves many people in the world. Estimates suggest Ascaris lumbricoides infect over one billion people. The number of most worm infections apply to sub-Saharan Africa, the Americas, China, and East Asia. The prevalence of asthma and other atopic diseases in children has increased worldwide in recent years, but the reason behind the increase in prevalence is unknown. Most epidemiologic data derived from research centers in the west while in Indonesia have not been many reports on the prevalence of allergies, especially when associated with parasitic infections. Ascaris lumbricoides infections induce immune responses that lead to the production of immunoglobulin type E (IgE) in large numbers. Atopy can be diagnosed by an individual or a family history that confirmed the presence of allergen-specific IgE or skin prick test results were positive. Conducted this study to compare the proportion of atopy in children infected with Ascaris lumbricoides were not infected with the cross-sectional method and determine the relationship between Ascaris lumbricoides infection of the skin prick test results with the allergen of Ascaris on elementary school children 047/XI Koto Baru with a history of atopy in the Coastal Hills District Full River City Jambi Province. Of 258 students overall, as many as 220 students and are willing to meet the requirements of the study examined stool. On a stool examination, 220 students found that Ascaris lumbricoides infections by 67 students and non-patient infection of Ascaris lumbricoides at 153 students. There is a relationship between Ascaris lumbricoides infection of a positive skin prick test results with the allergen of Ascaris on elementary school children 047/XI Koto Baru with a history of atopy in the Coastal Hills District Full River City Jambi Province namely in children infected with Ascaris lumbricoides was 67 (100% ) significantly different compared with uninfected children Ascaris lumbricoides 153 (100%) (p=0.0001)

PENGARUH RANTAI PASOK DAN PEMUATAN TERHADAP DEMURRAGE VESSEL MELALUI MEDIASI COAL TRANSHIPMENT Rachman, Faisal
Jurnal Impresi Indonesia Vol. 2 No. 11 (2023): Jurnal Impresi Indonesia
Publisher : Riviera Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58344/jii.v2i11.3869

Berau Coal adalah Perusahaan tambang batubara dengan status PKP2B generasi pertama yang berlokasi di Kabupaten Berau, Propinsi Kalimantan Timur. Mulai berproduksi mulai tahun 1994 dan di tahun 2023 melakukan produksi sebesar 28 juta metric ton. Sesuai dengan izin dari Pemerintah Indonesia. PT. Berau Coal terus memaksimalkan kegiatan rantai pasokan Batubara dan pemuatannya di coal transhipment untuk mencapai tujuan perusahaan yaitu memaksimalkan keuntungan dan meminimalkan biaya. PT. Berau Coal selalu fokus terhadap Pelanggan, Keselamatan, Kuantitas, Kualitas dan pengiriman tepat waktu. Salah satu kendala yang dialami yaitu masih besarnya biaya demurrage yang timbul pada proses pemuatan batubara. Tujuan dari tugas akhir ini adalah untuk mengetahui pengaruh demurrage pada kegiatan Logistik di coal transhipment yang merupakan pelabuhan di laut lepas berdasarkan rantai pasok dan kegiatan pemuatannya Untuk tugas akhir ini akan digunakan metode Model Persamaan Struktural untuk mencari pengaruh demurage di coal transhipment berdasarkan dua kegiatan yaitu rantai pasok dan pemuatannya yang nantinya membuktikan apakah saling berhubungan. Berdasarkan hasil data dan informasi melalui kuosiener, penilaian ahli, dan keadaan di lapangan. Penulis akan membuktikan bahwa kegiatan ini saling mempengaruhi atau tidak saling mempengaruhi.

PYROMETALLURGICAL PROCESS FOR ZINC ANALYSIS IN SPHALERITE APPLYING XRD AND XRF Dahani, Wiwik; Kurniawati, Riskaviana; Sundari, Rita; Marwanza, Irfan; Rachman, Faisal
Jurnal Rekayasa Mesin Vol. 15 No. 1 (2024)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v15i1.1525

This paper has analyzed dominant zinc element in sphalerite naturally found together with galena in mineral ore. Since pyrometallurgical route related to roasting process is very common to mineral dressing, therefore, this investigation has studied the effect of varied roasting time (30 min, 60 min, and 90 min) and temperature (500oC, 600oC, and 700oC) on zinc mineral examination using XRD (X-Ray Diffraction) and zinc element using XRF (X-Ray Fluorescence) analyses. Previous studies usually applied cheaper AAS (Atomic Absorption Spectrometer) for zinc analysis in aqueous solution, however, sphalerite is a solid matrix and therefore, this study has applied XRF to analyze zinc. Pyrometallurgical process of zinc mineral in sphalerite is related to mineral transformation in the form of ZnSO4, ZnS, and ZnO that cannot be detected by XRF. Therefore, this study has used XRD that can observe mineral transformation. The XRD pattern shows four intense peaks at 2θ (28o, 47o, 56o, and 76o) justified sphalerite (ZnS) sample with little amount of pyrite (FeS2) and galena (PbS) as impurities. The XRF analysis shows from 30 min to 90 min, the Zn content has increased remarkably at 700oC and Zn content looked stagnant at 500oC, while Zn content increased dramatically from 60 min to 90 min at 600oC. During roasting process at high temperature, ZnS mineral converted to ZnO and expelled SO2 gas due to oxidation reaction causing weight reduction. The study is valuable for mineral processing in searching for optimization.

Sosialisasi Layanan BK di Sekolah Berbasis POP BK bagi Anggota PD ABKIN Kalimantan Selatan Rachman, Ali; Rachman, Faisal; Sugianto, Akhmad; Setiawan, Muhammad Andri
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 11, No 3 (2020): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v11i3.3989

Sosialisasi layanan bimbingan dan konseling di sekolah berbasis Panduan Operasional Penyelenggaraan Bimbingan dan Konseling bagi Anggota Pengurus Daerah Asosiasi Bimbingan dan Konseling Indonesia Provinsi Kalimantan Selatan dilakukan dengan tujuan berdasarkan penelusuran tak berstruktur banyak ditemukan guru bimbingan dan konseling yang belum memahami secara utuh operasional penyelenggaraan bimbingan dan konseling di sekolah, sesuai dengan Pedoman Bimbingan dan Konseling pada Pendidikan Dasar dan Pendidikan Menengah (2016) yang dikeluarkan Kementerian Pendidikan dan Kebudayaan. Kegiatan sosialisasi dilaksanakan sehari yakni pada tanggal 15 Juni 2019, dengan jumlah peserta sosialisasi 61 orang. Secara teknis pelaksanaan sosialisasi berlangsung dalam 4 tahapan kegiatan yakni: (1) registrasi; (2) ceramah; (3) sharing pengalaman; dan (4) tanya-jawab. Narasumber kegiatan sosialisasi ada dua yakni: (1) dari kalangan dosen program studi bimbingan dan konseling; dan (2) kalangan guru bimbingan dan konseling. Berdasarkan pelaksanaan pengabdian ini dapat disimpulkan bahwa guru bimbingan dan konseling kurang memahami implementasi Panduan Operasional Penyelenggaraan Bimbingan dan Konseling. Oleh karena itu, disarankan untuk: (1) ditindaklanjuti menjadi kegiatan workshop implementasi layanan dengan agenda materi kegiatan yang lebih spesifik; dan (2) menjadi studi awal penelitian implementasi layanan bimbingan dan konseling berbasis Panduan Operasional Penyelenggaraan Bimbingan dan Konseling.

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