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All Journal Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya Chemistry Indonesian Journal of Chemical Research IJCR (Indonesian Journal of Chemical Research) JURNAL INSAN CENDEKIA
Hanifa, Nur Lailatul
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Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Engineering Environmental Science Health Professions Materials Science & Nanotechnology Medicine & Pharmacology Nursing Public Health

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Acid and Base modified Pectin from Orange Peel as an Effective Bio-adsorbent for Pb(II) and Cr(VI) from Textile Industry Wastewater Hanifa, Nur Lailatul; Afifah, Afifah; Wijaya, Destia Kusuma; Nurmazaya, Nufus; Qomariyah, Ani
Indonesian Journal of Chemical Research Vol 10 No 3 (2023): Edition for January 2023
Publisher : Jurusan Kimia, Fakultas Sains dan Teknologi, Universitas Pattimura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598//ijcr.2023.10-qom

Abstract

Modifying the methoxyl group on pectin from Siam orange peel (Citrus nobilis) has been done. Pectin was obtained from the peel of Siam orange by extraction method. The modified pectin obtained were analyzed using the FT-IR (Fourier Transform-Infra Red Spectroscopy) method, the XRD (X-Ray Diffractometry), and surface appearance images using SEM (Scanning Electron Microscopy). Pb(II) and Cr(VI) metals which can be adsorbed by the adsorbent then analyzed by UV-Visible Spectrophotometer. The results of the FT-IR analysis was found that the modification of the methoxyl group was successful. XRD analysis showed that the modified pectin adsorbent produced amorphous properties. The maximum pH for Pb(II) adsorption was obtained, namely pH = 6 and the maximum pH for Cr(VI) adsorption was pH =7. The best adsorption time variation for Pb(II) was 240 min and for Cr(VI) was 500 min. The best adsorbent for adsorption of Pb(II) was base-modified pectin adsorbent, while the best adsorbent for adsorption of Cr(VI) was base-modified pectin adsorbent. It could be proven that base-modified pectin was able to adsorb Pb(II) and acid-modified pectin was able to absorb Cr(VI) better (Pb(II) 80% adsorption percentage and 90% Cr(VI) adsorption percentage) than previous studies, namely pectin without modification (adsorption percentage obtained 60-70%).
Smart Biosensor Berbasis Nanopartikel Tembaga dengan Reduktor Kulit Buah Naga sebagai Pendeteksi Formalin pada Sampel Makanan Qomariyah, Ani; Fisabilla, Adhinda; Hanifa, Nur Lailatul; Kusuma, Okta Nata
INDONESIAN JOURNAL OF CHEMICAL RESEARCH Vol. 9 No. 2 (2024): Volume 9, ISSUE 2,2024
Publisher : Chemistry Department, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/ijcr.vol9.iss2.art4

Abstract

Green chemistry technique was conducted for the first time to synthesize copper nanoparticles (Cu-NP) using CuSO4 as precursor and red dragon fruit peel extract as reducing agent which was then applied as formalin sensor. The extraction procedure of red dragon fruit peel was carried out by maceration technique with methanol solvent. Cu-NPs were produced through green chemistry by reduction method. Compounds in red dragon fruit peel extract reduce Cu2+ to Cu0. The successfully synthesized Cu-NPs were analyzed using FT-IR and UV-Visible Spectrophotometer. Identification of functional groups with FTIR showed a shift in wave number between pure CuSO4 precursor and Cu-NPs, indicating the interaction of functional groups. Based on 15 samples tested for formaldehyde levels, there were two samples with levels above the threshold, namely meatball 2 with an average formaldehyde level of 13.77 ± 0.25 ppm packaged without a “Halal” label and tofu 3 with a formaldehyde level of 4.18 ± 0.99 ppm packaged without a “Halal” label.
Escherichia coli and Salmonella sp. on some lettuce in the traditional market of Banyuwangi Regency Wulandari, Eka Yunita; Ayu, Sinta Nuriyah Putri; Hanifa, Nur Lailatul; Handayani, Brunika Mega; Fisabilla, Adhinda
Qanun Medika - Jurnal Kedokteran FK UMSurabaya Vol 8 No 01 (2024): Qanun Medika Vol 08 No 01 January 2024
Publisher : Universitas Muhammadiyah Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30651/jqm.v8i01.17265

Abstract

Escherichia coli is the main pathogenic bacteria which causes diarrhea in humans and the fourth highest cause of death which occurs all age groups. Salmonella sp is the cause of typhoid fever and findings of 350-810 cases each year. Diarrhea and typhoid fever are closely related to the consumption of raw vegetables, such as lettuce. This study aimed to analyze the contamination of E. coli and Salmonella sp on some lettuces in Traditional Markets of Banyuwangi Regency. This research was an analytic descriptive study using a cross-sectional design at the Laboratory of Microbiology, STIKES Banyuwangi from 6 to 11 June 2022 using 6 lettuces as research samples which were selected by accidental sampling. All (100%) lettuce samples in this study were contaminated with >1,100 CFU/ml E. coli. All (100%) samples in this study were positively contaminated by Salmonella sp with various contamination number, such as: 0.82x104; 0.47x104, 1.90x105, 2.05x106, 1.00x105 and 1.25x106 CFU/ml, respectively. All six lettuces obtained from the Traditional Market of Banyuwangi Regency did not meet the microbiological quality specified by SNI, indicating that they were not suitable for  direct (raw) consumption.
PERBANDINGAN EFEKTIVITAS EKSTRAK KULIT JERUK SIAM (CITRUS NOBILIS) DENGAN EKSTRAK KULIT JERUK PURUT (CITRUS HYSTRIX) TERHADAP PERTUMBUHAN JAMUR MICROSPORUM CANIS Hanifa, Nur Lailatul; Najib, Ainun; Qomariyah, Ani
Jurnal Insan Cendekia Vol 11 No 2 (2024): Jurnal Insan Cendekia
Publisher : STIKES Insan Cendekia Medika Jombang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35874/jic.v11i2.1381

Abstract

Pendahuluan: Ekstrak kulit jeruk siam (Citrus nobilis) dan ekstrak kulit jeruk purut (Citrus hystrix) mengandung beberapa senyawa metabolit seperti tanin, flavonoid dan saponin yang dapat menghambat pertumbuhan jamur. Tujuan: Untuk menguji ekstrak kulit jeruk siam (Citrus nobilis) dan ekstrak kulit jeruk purut (Citrus hystrix), serta serta untuk memperoleh konsentrasi ekstraksi terbaik sebagai senyawa penghambat pertumbuhan Microsporum canis. Metode: Studi eksperimental di laboratorium dengan desain acak lengkap, berbagai tingkat konsentrasi ekstrak (40%, 60%, 80%, 100%) digunakan sebagai variabel perlakuan yang dibandingkan dengan kontrol positif, ketoconazole 2%, dan kontrol negatif, air suling, dengan dilakukan dalam tiga ulangan. Metode yang digunakan adalah uji difusi cakram dengan pengamatan zona inhibisi yang terbentuk untuk evaluasi efeknya. Hasil: Hasil studi ini menunjukkan bahwa pertumbuhan jamur Microsporum canis menghasilkan zona hambat tertinggi pada ekstrak kulit jeruk siam dengan konsentrasi 100%, rata-rata diameter zona hambat 11 mm, sementara yang terendah pada konsentrasi 40%, rata-rata diameter zona hambat 1 mm. Dan untuk ekstrak kulit jeruk purut menunjukkan zona hambat tertinggi pada konsentrasi 100% dengan rata-rata diameter zona hambat 19 mm, yang terendah pada konsentrasi 40% yang memilki rata-rata diameter zona hambat 14 mm. Dan dari uji yang telah dilakukan yaitu uji Tukey bahwa setiap konsentrasi memiliki perbedaan yang signifikan (nyata). Kesimpulan: Dari kedua ekstrak yaitu ekstrak kulit jeruk siam dan purut pada konsentrasi 100% lebih mampu menghambat pertumbuhan jamur Microsporum canis. Dan ekstrask kulit purut lebih efektif dibandingkan dengan ekstrak kulit jeruk siam.
Co-Authors Ainun Najib Ayu, Sinta Nuriyah Putri Fisabilla, Adhinda Handayani, Brunika Mega Kusuma, Okta Nata Muhammad Afif Nurmazaya, Nufus Qomariyah, Ani Wijaya, Destia Kusuma Wulandari, Eka Yunita