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All Journal EduChemia: Jurnal Kimia dan Pendidikan Jurnal Dimensi PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika Science and Technology Indonesia JMM (Jurnal Masyarakat Mandiri) Jurnal Pembelajaran dan Biologi Nukleus Journal of halal product and research (JHPR)

Ismarti, Ismarti

UNiversitas Riau Kepulauan

Author-ID : 1792854

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Dentistry Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Veterinary Other

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Articles

Biokonsentrasi Faktor Logam Berat pada Kerang dari Perairan Batam, Kepulauan Riau, Indonesia Fitrah Amelia; Ismarti Ismarti; Ramses Ramses; Rozirwan Rozirwan
EduChemia (Jurnal Kimia dan Pendidikan) Vol 4, No 2 (2019)
Publisher : Department of Chemical Education Faculty of Teacher Training and Education Universitas Su

Penelitian ini bertujuan untuk menentukan tingkat bioakumulasi logam berat pada kerang yang berada di perairan barat pulau batam. Batam merupakan daerah yang memiliki potensi besar terhadap pencemaran logam berat, karena tingginya aktifitas yang ada di perairan. Penelitian ini dilakukan di lima lokasi sampling. Sampel dalam penelitian ini adalah kerang dengan spesies Anadara sp., Perna viridis dan Crassostrea gigas. Logam berat yang diteliti yaitu logam kadmium (Cd), timbal (Pb) dan tembaga (Cu). Analisa logam berat dilakukan menggunakan Atomic Absorption Spectroscopy (AAS). Berdasarkan hasil perhitungan diperoleh faktor biokonsentrasi (BCF) logam berat pada spesies Anadara sp., Perna viridis dan Crassostrea gigas. Biokonsentrasi logam dalam medium air secara berturut-turut teramati bahwa Pb > Cu > Cd, dengan kategori BCF Pb dan Cu tergolong tinggi, serta Cd tidak terdeteksi. Sedangkan untuk spesies Anadara sp. dalam medium sedimen diperoleh biokonsentrasi logam berat Cu > Cd > Pb dengan kategori BCF rendah untuk semua logam. Selanjutnya, untuk spesies Perna Viridis dan Crassostrea gigas diperoleh biokonsentrasi logam Cd > Pb > Cu, dengan kategori BCF-nya juga tergolong rendah.

STUDI KANDUNGAN LOGAM BERAT PADA TUMBUHAN DARI PERAIRAN BATAM, KEPULAUAN RIAU STUDY OF HEAVY METALS CONTENT IN PLANTS FROM COAST BATAM, RIAU ISLANDS Ismarti Ismarti; Ramses Ramses; Fitrah Amelia; Suheryanto Suheryanto
JURNAL DIMENSI Vol 6, No 1 (2017): JURNAL DIMENSI (MARET 2017)
Publisher : Universitas Riau Kepulauan

Studi ini bertujuan menentukan kadar logam tembaga (Cu), kadmium (Cd) dan timbal (Pb) pada berbagai jenis tumbuhan di perairan Batam. Sampel tumbuhan yang dianalisis meliputi lamun, makro alga dan mangrove yang diambil dari enam lokasi sepanjang perairan barat pulau Batam. Penentuan kadar logam Cu, Cd dan Pb mengacu pada metode SNI dengan menggunakan Spektrometri Serapan Atom. Hasil penelitian menunjukkan bahwa kadar logam berat Cu, Cd dan Pb pada sampel di semua lokasi bervariasi dan telah melebihi baku mutu yang ditetapkan di Indonesia (Cu dan Pb 0,008 mg/kg dan Cd 0,001 mg/kg). Rata-rata kadar logam Cu dan Pb tertinggi ditemukan pada sampel dari area Pelabuhan Sekupang yaitu 23,94 mg/kg dan 11,24 mg/kg. Rata-rata kadar logam Cd tertinggi yaitu 0,49 mg/kg ditemukan di area Pelabuhan Sagulung. Berdasarkan hasil penelitian ini, disimpulkan bahwa perairan pulau Batam telah tercemar logam Cu, Pb dan Cd.Kata kunci: pencemaran laut, logam berat, metode AAS, pulau BatamAbstractThis study is aim to determine level of heavy metals copper (Cu), cadmium (Cd) and lead (Pb) in various sample of plants that collected from coast Batam have been done. Sample of plants are seagrass, macro algae and mangrove from six locations along west Batam island. Determination of heavy metals Cu, Cd and Pb refer to SNI method using Atomic Absorption Spectrophotometric. The result of analysis show that concentrations of Cu, Cd and Pb in all locations was exceed Indonesia regulation (Cu and Pb 0,008 mg/kg, Cd 0,001 mg/kg). The highest average concentrations of Cu and Pb found at samples from Sekupang Port are 23,94 mg/kg and 11,24 mg/kg respectively. The highest average concentrations of Cd are 0,49 mg/kg found at Sagulung’s samples. Based on these result, it was concluded that coastal water of Batam Island have been contaminated with metals Cu, Pb and Cd.Keywords: marine pollution, heavy metals, AAS method, Batam island

Rapid detection of pork and pig derivatives based on volatile compounds aroma using electronic nose Ismarti Ismarti
Journal of halal product and research (JPHR) Vol. 4 No. 2 (2021): Journal of Halal Product and Research (JHPR)
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jhpr.vol.4-issue.2.59-64

The development of food processing technology has increased the number and types of food products to meet human needs. The quality of a food product is not only seen from nutritional value and safety, but also from halalness aspect. For the purposes of quality control and halal authentication, the existence of a food testing method that is fast, accurate and easy to handling is needed. The application of electronic nose for various volatile compound detection purposes has been widely reported. This paper discusses electronic nose applications for quality control and halal testing purposes on food products. Furthermore, it also discussed the advantages and disadvantages of testing with an electronic nose. Based on the discussion, the electronic nose is a portable detection tool that is user friendly, fast and accurate for the identification and detection of food products based on the presence of the aroma of volatile compounds in the material. The advantages of this electronic nose have the potential to be used as an alternative rapid detection instrument in food testing, especially in authenticating pork and pig derivative.

PERBANDINGAN METODE DISKUSI DAN DEMONSTRASI TERHADAP HASIL BELAJAR MATEMATIKA SISWA POKOK BAHASAN BANGUN RUANG KELAS VIII MTs USB SAGULUNG BATAM TAHUN PELAJARAN 2013/2014 Dian Mayasari; Ismarti Ismarti
PYTHAGORAS : Jurnal Program Studi Pendidikan Matematika Vol 3, No 2 (2014): PYTHAGORAS: Jurnal Program Studi Pendidikan Matematika
Publisher : UNIVERSITAS RIAU KEPULAUAN, BATAM, INDONESIA

ABSTRAK Penelitian ini bertujuan untuk mengetahui perbandingan hasil belajar matematika siswa yang pembelajarannya menggunakan metode diskusi dan demonstrasi di kelas VIII MTs USB Sagulung Batam tahun pelajaran 2013/2014. Jenis penelitian adalah penelitian komparatif. Populasi dalam penelitian ini adalah seluruh siswa kelas VIII MTs USB Sagulung Batam yang berjumlah 4 kelas. Pengambilan sampel dilakukan dengan teknik cluster random sampling. Sampel dalam penelitian ini adalah kelas VIIIA dan VIIIB dengan total 62 siswa. Teknik analisis data yang digunakan adalah uji t.Dari analisis data dengan uji t pada taraf signifikansi α=0,05 dan dk = 60 diperoleh nilai thitung (2,914) ttabel (2,000) sehingga Ho ditolak dan Ha diterima. Dari uji statistic disimpulkan terdapat perbedaan hasil belajar matematika pokok bahasan bangun ruang kelas VIII MTs USB Sagulung Batam yang pembelajarannya menggunakan metode diskusi dengan metode demonstrasi. Kata kunci: metode diskusi, metode demonstrasi, hasil belajar matematika siswa.

Study on Volatile Compounds of Gelatine and The Maillard Reaction Products from Different Species Using SPME-GCMS Ismarti Ismarti; Dody Dwi Handoko; Kuwat Triyana; Hamzah M. Salleh; Nurrulhidayah A. Fadzillah; Noor Faizul Hadry Nordin
Science and Technology Indonesia Vol. 7 No. 2 (2022): April
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Food fraud and adulteration are the global issues, currently. One important issue is about gelatine since it comes from many sources of animals. Therefore, analytical method for gelatine must be developed and used for the authentication. This study was conducted to investigate the Volatile Compounds (VCs) of gelatine and the Maillard Reaction Products (MRPs) which are responsible to their aroma. Three gelatine standards from bovine, fish and porcine bought from Sigma Aldrich were used. A high reactivity reducing sugar namely xylose was used in the Maillard Reaction (MR). A Solid Phase Micro Extraction-Gas Chromatography-Mass Spectroscopy (SPME-GC-MS) used to evaluate the VCs in the samples. The VCs were identified by comparing the mass spectra of the compounds with database of NIST library. Moreover, retention time using the n-Alkane index were compared with literature data. There were 67 VCs have been identified. Among them, furfural, acetic acid, nonanone, dimethyl disulphide and decanone were considered as the important volatiles in gelatine due to its abundance. In the MRPs, furfural, 1-(2-furanylmethyl)-1H-pyrrole, 1-(2-furanyl)- ethanone, acetic acid and 2,2’-bifuran were predominant. Additionally, heptanol, octanal, nonanal, nonanone, dimethyl disulphide and dimethyl trisulphide could be considered as the important compounds due to its low odour threshold value. The compounds had a direct influence on the overall aroma of samples and could be potential to use in gelatine differentiation.

PEMBERDAYAAN MASYARAKAT PESISIR MELALUI PELATIHAN ECOPRINT MENGGUNAKAN TUMBUHAN LOKAL Ismarti Ismarti; Fitrah Amelia; Yesi Gusmania
JMM (Jurnal Masyarakat Mandiri) Vol 7, No 1 (2023): Februari
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v7i1.12859

Abstrak: Masyarakat pesisir Rempang Cate umumnya berprofesi sebagai nelayan. Kaum perempuan lebih banyak di rumah, dan sejak pandemi berlangsung, tidak memiliki aktivitas khusus di siang dan sore hari. Secara umum, kondisi perekonomian masyarakat Rempang Cate berada pada kategori golongan masyarakat menengah ke bawah yang perlu mendapat perhatian untuk dapat memberdayakan diri mereka, sehingga dapat meningkatkan taraf ekonomi keluarga pada umumnya. Kegiatan ini selain bertujuan untuk menambah pengetahuan tentang zat warna alam dan keterampilan dalam membuat kain ecoprint, juga diharapkan dapat menjadi peluang usaha bagi penduduk setempat, utamanya kaum ibu. Kegiatan diawali dengan demonstrasi yang dilakukan oleh pemateri, kemudian dilanjutkan dengan workshop yang dilakukan oleh peserta secara berkelompok. Kegiatan pengabdian masyarakat ini dilaksanakan pada bulan November 2022 yang bertempat di RW 1 Desa Rempang Cate Kecamatan Galang, Kepulauan Riau. Peserta dari kegiatan ini adalah warga masyarakat yang melibatkan sebanyak 16 orang. Berdasarkan hasil angket yang telah disebarkan, dapat disimpulkan bahwa melalui kegiatan ini pengetahuan dan keterampilan peserta meningkat rata-rata 94,8%. Abstract: Rempang Cate coastal communities generally work as fishermen. Most of women are more at home, and since the pandemic took place, they have no special activities in the afternoon and evening. In general, the economic condition of the Rempang Cate community is on the middle to lower class category which needs attention in order to be able to empower themselves, so as to improve the economic standard of the family in general. Apart from aiming to increase knowledge about natural dyes and skills in making ecoprint fabrics, this activity is also expected to become a business opportunity for local residents, especially mothers. The activity began with demonstrations conducted by the presenters, then continued with workshops by participants in groups. This community service activity was carried out in November 2022 which took place in RW 1 of Rempang Cate Village, Galang District, Riau Islands. Participants in this activity were local residents involving 16 people. Based on the results of the questionnaire that was distributed, it can be concluded that through this activity the participants' knowledge and ability increased by an average of 94.5%.

Diversity of Sea Cucumbers (Holothuroidea) in the Waters of Sarang Island and the Nenek Strait, Batam City, Riau Islands, Indonesia Devi Novianti; Ramses Ramses; Ismarti Ismarti; Fitrah Amelia
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 12, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2026
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v12i1.8798

Background: Sea cucumbers (Holothuroidea) are key benthic organisms that contribute to coastal ecosystem stability through bioturbation, organic matter decomposition, and their role in marine food webs. However, despite their ecological and economic importance, information on the diversity and community structure of sea cucumbers in the waters of Batam City, remains limited. This study aimed to analyze the diversity of sea cucumbers in the waters of Sarang Island and the Nenek Strait, as a basis for evaluating ecological conditions and supporting sustainable marine resource management. Methodology: Sampling was conducted in the intertidal zone using the sweeping method during nighttime to accommodate the nocturnal activity of sea cucumbers, using two transects at each sampling station. Species identification was based on morphological and visual characteristics, while environmental parameters such as temperature, pH, salinity, dissolved oxygen, water transparency, and current velocity were measured in situ. Findings: Five sea cucumber species were identified, namely Stichopus herrmanni, Holothuria leucospilota, H.scabra, Bohadschia aegyptia, and H. fuscopunctata. Community structure was then analyzed using the Shannon–Wiener diversity index (H’), evenness index (E), and Simpson’s dominance index (C). At Sarang Island, 25 individuals representing five species were recorded, with Actinopyga mauritiana dominating 64% of the population, resulting in moderate diversity (H’ = 0.576), low evenness (E = 0.358), and high dominance (C = 0.453). In the Nenek Strait, 22 individuals from three species were identified, showing moderate diversity (H’ = 1.059), high evenness (E = 0.964), and low dominance (C = 0.360), actinopyga mauritiana dominated 64% of the population, likely due to its higher tolerance to local environmental conditions and its preference for sandy–muddy substrates commonly found in the study area, indicating a more balanced community structure. Contributions: These findings highlight spatial variation in sea cucumber communities related to habitat characteristics and ecological pressure, contributing baseline scientific data on the diversity and community structure of Holothuroidea in Batam coastal waters

Morphometric Characteristics, Length–Weight Relationship, and Condition Factor of Kapis Clams (Pecten maximus, Linnaeus, 1758) in Sarang Island Coastal Waters Khoirotunnisa Siregar; Ramses Ramses; Lani Puspita; Ismarti Ismarti
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 12, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2026
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v12i1.8793

Background: This study examined the morphometric characteristics, length–weight relationship, and condition factor of scallops belonging to the family Pectinidae in the waters of Sarang Island and Mecan Island, Belakang Padang District, Batam City. This research is important because scientific information regarding the biological characteristics and population condition of scallops in this area is still limited, while exploitation by local fishermen continues to occur. Methodology: The study was conducted from August to October 2024 using a quantitative descriptive approach. Sampling was carried out through diving surveys at three fishing stations using a sweeping technique along transects covering an area of approximately 100 m² at depths ranging from 2–6 m. Morphometric measurements included shell length, shell width, shell thickness, dorsal width, and total body weight. The length–weight relationship was analyzed using logarithmic regression, while physiological condition was evaluated using the relative condition factor (Kn). Findings: A total of 88 individuals were collected.. Water quality parameters showed suitable environmental conditions with temperature ranging from 29–31 °C, salinity 30–32 ppt, dissolved oxygen 5.2–6.4 mg/L, and pH 7.6–8.1. The growth exponent (b = 2.5877) indicates a negative allometric growth pattern, where shell length increases faster than body weight. This pattern may reflect ecological adaptation and environmental conditions in the study area. Contributions: These findings provide baseline biological information for sustainable scallop resource management

Density, Morphometrics, Length–Weight Relationship, and Condition Factors of Manila Clams (Ruditapes philippinarum) in Waters Batam City Fety Andriani; Ramses Ramses; Fauziah Syamsi; Ismarti Ismarti
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 12, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2026
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v12i1.8766

Background: The Manila clam Ruditapes philippinarum is an economically important marine bivalve and a key component of coastal ecosystems. Environmental factors such as sedimentation, salinity fluctuations, and human activities may influence its abundance, growth, and physiological condition. This study aimed to assess the abundance, morphometric characteristics, length–weight relationship, and condition factor of R. philippinarum in the waters surrounding Sarang Island, Batam Plot. Methodology: Sampling was conducted at three intertidal stations—Tempayang Island, Piring Island, and Layang Island—using purposive manual collection within 3 plot observation. Shell length, height, and thickness were measured using digital calipers, and total weight was recorded with a digital balance. Growth patterns were analyzed using log–log regression, while condition factors (K and WR) were used to evaluate physiological status. Findings: 87 individuals of R. philippinarum were recorded at Station 1, 118 at Station 2, and 117 at Station 3. The shell length of Ruditapes philippinarum ranged from 15.2 to 42.6 mm across all sampling stations. The length–weight relationship showed a weak correlation (r = 0.145) with a low coefficient of determination (R² = 0.21%) and a negative allometric growth pattern (b = −0.3419). The WR value (121.81) indicated generally good physiological condition. Water quality parameters were generally within tolerance limits; however, stations with higher total dissolved solids and lower water transparency indicated increased turbidity, which was associated with relatively smaller shell sizes of R. philippinarum compared to stations with better water clarity. Overall, variations in abundance and size among stations were influenced by environmental differences, while the R. philippinarum population remained relatively healthy. Contributions: These findings provide baseline ecological information that can support future monitoring and sustainable management strategies for R. philippinarum resources in intertidal coastal ecosystems

Co-Authors Devi Novianti Dian Mayasari Dody Dwi Handoko Fauziah Syamsi Fety Andriani Fitrah Amelia Fitrah Amelia Hamzah M. Salleh Khoirotunnisa Siregar Kuwat Triyana Lani Puspita Noor Faizul Hadry Nordin Nurrulhidayah A. Fadzillah Ramses Ramses Rozirwan . Suheyanto Suheryanto Yesi Gusmania

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