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Biosaintifika: Journal of Biology & Biology Education
Published by Universitas Negeri Semarang
ISSN : 2085191X     EISSN : 23387610     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Biosaintifika Journal of Biology & Biology Education, an electronic international journal, provides a forum for publishing the original research articles, review articles from contributors, and the novel technology news related to biological research and biological education.
Arjuna Subject : -
Articles 1,051 Documents
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Development of Science Learning Tool Based on Problem Based Learning with Google Classroom to Improve Argumentation Skill Pritasari, Ade Cyntia; Jumadi, Jumadi
Biosaintifika: Journal of Biology & Biology Education Vol 10, No 2 (2018): August 2018
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v10i2.14320

Abstract

Using science learning tools will optimize the learning process. Good learning process will train the skill needed in the 21st century, including the skills of argumentation. From this point of view, an science learning tool based on problem based learning with google classroom has developed in this study. This study aimeds to test the appropriateness of science learning tool and the effectiveness of science learning tool developed in improving argumentation skill. This study was an research and development (R&D) research using 4D method from Thiagarajan with four stages including define, design, develop, and disseminate. The product trials have been conducted in 7th grade students of State Junior High School 2 Magelang at second semester of year 2017/2018. The data collection was done by non-test and test technique. Based on the results of the research note that learning tools developed theoretically declared valid based on expert assessment with very good category and effective in improving students’ argumentation skill. Learning tool based on problem based learning with google classroom is a new approach to learning with the capability to the transform education in a better quality. Implementation of learning tool based on problem based learning with google classroom provide new alternatives in improving the quality of science education achievement.
Potensi Ekowisata di Kawasan Mangrove, Desa Mororejo, Kabupaten Kendal Fahrian, Haikal Hilman; Putro, Sapto P.; Muhammad, Fuad
Biosaintifika: Journal of Biology & Biology Education Vol 7, No 2 (2015): September 2015
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v7i2.3953

Abstract

Desa Mororejo memiliki kawasan mangrove yang belum dimanfaatkan secara optimal. Salah satu upaya yang dapat dilakukan untuk mengoptimalisasi adalah dengan menjadikan kawasan ekowisata. Penelitian dilaksanakan dari bulan Agustus-November 2014 yang dilakukan melalui survei yang dilanjutkan dengan kegiatan pengamatan kondisi fisik kimia dan biologi kawasan, inventarisasi keanekaragaman fauna, analisis vegetasi, serta pengambilan data persepsi masyarakat lokal. Analisis data menggunakan analisis kesesuaian wisata mangrove dan analisis SWOT (StrengthsWeaknessOpportunityTreats). Berdasarkan hasil penelitian, kawasan mangrove Desa Mororejo didominasi oleh tiga jenis mangrove yaitu Rhizophora mucronata, Rhizophora stylosa, dan Avicennia marina. Fauna yang ditemukan antara lain burung, ikan, dan crustacea. Indeks kesesuaian untuk kegiatan wisata mangrove termasuk kategori sesuai bersyarat (63.24%). Strategi alternatif pengelolaan ekowisata mangrove yang diprioritaskan meliputi: melibatkan masyarakat lokal dalam kegiatan ekowisata (skor 2,834); meningkatkan peran serta Dinas terkait (skor 2.517); dan adanya zonasi wilayah supaya tidak terjadi gesekan dengan berbagai pihak (skor 2.25).Mangrove areas at Mororejo village have not been optimally utilized. One effort to accelerate the optimalization of the area is by empowering its ecotourism. The study was conducted in August-November 2014 using a survey method, inventory of assorted fauna, vegetation analysis, and data collection of local community perception. Data analysis was conducted by feasibility analysis and SWOT (StrengthsWeaknessOpportunityTreats) analysis to determine the alternatives strategy in exploring the potency of eco-tourism. Based on the result of this study, mangrove areas in Mororejo were dominated by three types of mangrove, i.e. Rhizopora mucronata, Rhizopora stylosa, and Avicennia marina. Fauna found in the areas were birds, fish, and crustacean. Feasibility index for mangrove tourism at mangrove areas at Mororejo village fell to category of conditionally feasible (63.24%). The alternative strategy in managing mangrove ecotourism at Mororejo village should involve the local community in handling ecotourism activities such as fishing activitity, birdwatching, and mangrove conservation (score 2.83); and also empower the related department (score 2.52), and zonation based areas should be implemented, therefore horizontal conflict could be avoided (score 2.25).
Ketertarikan Bactrocera carambolae (Diptera: Tephritidae) pada Senyawa Volatil Olahan Limbah Kakao Indriyanti, Dyah Rini; Martono, Edhi; Trisyono, Andi; -, Witjaksono
Biosaintifika: Journal of Biology & Biology Education Vol 5, No 1 (2013): March 2013
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v5i1.2570

Abstract

Tanaman kakao (Theobroma cacao) menghasilkan biji. Biji ditutupi oleh pulp pada saat dipanen, kemudian difermentasi selama tiga hari untuk diambil biji kakao dan dihasilkan limbah cair. Penelitian ini bertujuan untuk menguji ketertarikan lalat buah pada olahan limbah kakao dan mengidentifikasi senyawa kimia volatil yang menarik lalat buah. Penelitian dilakukan di laboratorium, dimulai dari pengolahan limbah kakao, pengujian ketertarikan B. carambolae pada limbah dan mengidentifikasi senyawa volatil olahan limbah kakao. Hasil penelitian menunjukkan bahwa jantan dan betina B. carambolae tertarik pada limbah. Olahan limbah kakao berisi berbagai senyawa volatil yakni: amonia; etil-2-hidroksi propanoat ; 7-dodesenil asetat; senyawa asetamida; 3,5-dihidroksi-2-metil-5,6-dihidropiran; hidroksi metilfurfurol; dan derivat-1-undekuna.The cocoa plants (Theobroma cacao) produce seeds. The seeds are covered by pulp when it is harvested. Then these seeds were fermented for three days to transform them becoming cocoa seeds and the fermentation would produce liquid wastes. The study aims to test the attractiveness of fruit flies to the processed liquid cocoa wastes and to identify the chemical compounds which attract fruit flies. The study was conducted in the laboratory, beginning from the processing of cocoa wastes, the testing of the attractiveness of B. carambolae to wastes and to identify the chemical compounds of the processed cocoa wastes. The result showed that males and females B. carambolae were attracted to the wastes.The processed cocoa wastes contain various chemical compounds, i.e. ammonia; ethyl-2-hydroxy propanoate; 7-dodecenyl acetate; acetamide compounds; 3,5 dihydroxy-2-methyl-5,6-dihydropyrane; hydroxyl methylfurfurol; and 1-undecyne derivates.
Immune Responses of Wistar Rat (Rattus novergicus) on Adduction of Humid Acid from Borneo Peat Soil Rousdy, Diah Wulandari; Rahmawati, Rahmawati; Kurniatuhadi, Rikhsan
Biosaintifika: Journal of Biology & Biology Education Vol 8, No 3 (2016): December 2016
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v8i3.7499

Abstract

Peat soil is a type of soil that dominates the island of Borneo. Typical compounds in peat soil is humic acid. Various in vitro studies performed have shown peat subtropical humic compounds can stimulate the immune system. However, in vivo study on animal has not been done. This study aimed to determine the effect of humic acid extracted from peat soil of Borneo against the immune system, both of non-specific and specific immunity Wistar rats (Rattus novergicus). Research using a completely randomized design with five treatments and five replicates, the normal controls, a positive control (isoprinosine), humic acid 125; 250; 500 mg/kg. Humic acid was administered orally for 10 days. The results showed humic acid adduction did not significantly affect levels of hemoglobin, erythrocytes and hematocrit. Humic acid adduction of 125 mg/kg significantly affects the total leukocyte count and differential leukocyte. Humic acid 125 mg/kg also showed increased phagocytic index better than normal controls. All humic acid treatments do not provide a significant effect on the total amount of antibody. The results of this study can be used for the development of Borneo tropical peat resources as natural imunostimulant.How to CiteRousdy, D. W., Rahmawati, R. & Kurniatuhadi, R. (2016). Immune Responses of Wistar Rat (Rattus novergicus) on Adduction of Humid Acid from Borneo Peat Soil. Biosaintifika: Journal of Biology & Biology Education, 8(3), 401-406.
Exploration of Mango Fruits (Mangifera indica) as ?-Glucosidase Inhibitors Putri, Nadia Prilliane; Nursyamsi, Khalida Shabiba; Prayogo, Yanico Hadi; Sari, Dina Ragillia; Budiarti, Eka; Batubara, Irmanida
Biosaintifika: Journal of Biology & Biology Education Vol 9, No 3 (2017): December 2017
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v9i3.10516

Abstract

Mango fruit (Mangifera indica L.) is the tropical fruit that grows easily in Indonesia with plenty varieties. This study aimed to determine the varieties of mango fruit and the most potent part of mango as antidiabetic agent through ?-glucosidase inhibitory activities. Four types of mango fruit (indramayu, manalagi, harum manis, and budiraja) were used in this study. Each part of the mango fruit:peel, flesh, endosperm, and endocarp were extracted by maceration process with three different solvents (n-hexane, ethyl acetate (EtOAc), and ethanol (EtOH)). An ability of all 46 extracts in inhibiting the ?-glucosidase at a concentration of 500 ppm were determined. Then 11 extracts with the high inhibition value were determined their IC50 (concentration to inhibit 50% activity) values. EtOAc extract of manalagi, indramayu, and budi raja endosperm had the lowest IC50 value which was not statistically significantly different (at 95%) with EtOAc extract of budi raja peel. The bioautographic Thin Layer Chromatogram showed that the most active band is characterized by white luminescence under UV 366 nm, yellow color under UV 254 and visible light. The band with Rf 0.93 from EtOAc endosperm extract of indramayu and manalagi and Rf 0.73 from EtOAc budi raja peel extract are the most active band which predicted as a flavonoid. The result adds the value of the peel and seed of mango, as well as an alternative in blood sugar control, which is easy to obtain, relatively cheap, and liked by the community.
Impact of Distance from the Forest Edge on The Wild Bee Diversity on the Northern Slope of Mount Slamet Widhiono, Imam; Sudiana, Eming
Biosaintifika: Journal of Biology & Biology Education Vol 8, No 2 (2016): September 2016
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v8i2.5058

Abstract

In agricultural landscape in northern slope of Mount Slamet, diversity of wild bee species as pollinator depend on forested habitats. This study aimed to assess the effects of distance from the forest edge on the diversity of wild bees on strawberry and tomato crops. This study was conducted from July 2014 to October 2014. The experimental fields contained tomato and strawberry with a total area of 4 ha (2 ha each) and divided into five plots based on distance from the forest edge (0, 50, 100, 150, and 200 m). Wild bee was catched with kite netting in 7.00 -9.00 in ten consecutive days. Wild bee diversity differed according to distance from the forest edge, the highest value was at 0 m for strawberry plots (H = 2.008, E = 0.72 and Chao1= 16) and for tomato plots, the highest diversity was at 50 m from the forest edge (H = 2.298, E = 0.95 and Chao1= 11) and the lowest was at 200 m in both plots. Wild bee species richness and abundance decreased with distance, resulting in the minimum diversity and abundance of wild bee at 200 m from forest edge in both crops.How to CiteWidhiono, I., & Sudiana, E. (2016). Impact of Distance from the Forest Edge on The Wild Bee Diversity on the Northern Slope of Mount Slamet. Biosaintifika: Journal of Biology & Biology Education, 8(2), 148-154.
Potensi Ekowisata Danau di Kawasan Kamipang Kalimantan Tengah -, Decenly; Soeprobowati, Tri Retnaningsih; Muhammad, Fuad
Biosaintifika: Journal of Biology & Biology Education Vol 6, No 2 (2014): September 2014
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v6i2.3104

Abstract

Penelitian ini bertujuan mengakaji potensi ekowisata di Kawasan Kamipang. Penelitian dilakukan melalui beberapa tahapan yaitu pra survei, survei dan analisis laboratorium. Pra survei dilakukan untuk menentukan 3 (tiga) stasiun pengukuran kualitas air dan 3 (tiga) posisi transek untuk analisis vegetasi. Survei meliputi pengukuran kualitas air danau, inventarisasi keanekaragaman ikan, analisis vegetasi, serta presepsi masyarakat lokal, pengunjung dan stakeholder. Analisis laboratorium yang meliputi identifikasi ikan dan tumbuhan. Potensi aspek abiotik dan sosial akan diuraikan secara deskriptif dan potensi aspek biologi dianalisis dengan pendekatan Indeks keanekaragaman ikan dan Indeks Nilai Penting (INP) untuk vegetasi. Berdasarkan hasil penelitian, diketahui bahwa potensi abiotik yaitu berupa danau-danau alami dengan kondisi hidrologi yang cukup baik (nilai BOD berkisar antara 2-4 mg/L dengan kekeruhan kurang dari 25 NTU) dan iklim tropis dengan tanah yang subur, sedangkan potensi biologi yaitu berupa keanekaragaman ikan dan tumbuh-tumbuhan di sekitar danau ditambah dengan keberadaan ikan dan tumbuhan yang termasuk dalam The IUCN Red List of Threatened Species 2013 dengan kategori Least Concern yaitu Ikan Peang (Channa maurilius), Balida (Notopterus chitala) dan Tumbuhan Kantong Semar (Nepenthes gracilis). Adapun potensi sosial berupa keunikan budaya dan kesenian tradisional.The study was aimed to evaluate the potential of ecotourism in Kamipang Region. The study was conducted through several stages of pre-survey, survey, and laboratory analysis. The pre-survey was conducted to determine three (3) water quality monitoring stations and three (3) transect positions for vegetation analysis. The survey included the measurement of lake water quality, the inventory of fish biodiversity, the vegetation analysis, and the perception of the local community, visitors and stakeholders. Laboratory analysis included the identification of fishes and plants. The potential of abiotic and social aspects were outlined descriptively and the potential biological aspects were analyzed using fish biodiversity index and vegetation important value index. The study showed the potential of abiotic aspects i.e. natural lakes with relatively good hydrological conditions (BOD value ranged between 2-4 mg/L and turbidity was less than 25 NTU) and tropical climate with fertile soil, whereas the biological potential comprised the diversity of fishes and vegetation around the lake along with the presence of fishes and plants that have been listed in the IUCN Red List of Threatened Species 2013 from the category of Least Concerned, i.e. Peang fish (Channa Maurilius), Balida (Notopterus Chitala) and Kantong Semar (pitcher) plants (Nepenthes Gracilis). The social potential was the uniqueness culture and the traditional arts.
The Gonad Maturity of Female Osteochillus vittatus in the presence of Ascorbic Acid Setyaningrum, Nuning; Sugiharto, Sugiharto; Hidayah, Hexa Apriliana
Biosaintifika: Journal of Biology & Biology Education Vol 9, No 2 (2017): August 2017
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v9i2.9848

Abstract

The fishs reproduction status is affected by both fed compositions and vitamins intake lead to determine improvement of eggs quality as well as fish production. The presence of Ascorbic Acid (AA) in the cultivation ponds, might accelerate females gonad maturation and so rematuration. The research aimed to determine: (1) Level gonad maturity of supplementation Ascorbic Acid; (2) Oocyts diameter; (3) Larvae survival rate. The research used experimental methods.The method was a completely randomized design (CRD) of 4 treatments and 4 replications. Treatments were supplementation of AA at different dosages of 0, 600, 1200 and 1800 mg/kg fish-fed ration.The gonad maturity level was analysed descriptively and oocyte diameter and larvae survival rate data were analysed by ANOVA. The result showed that supplementation of AA at a dosage of 1200 mg / kg fish-fed ration accelerated the process of gonad maturity, development of oocyt diameter and larvae survival rate as well as the viability of O. vittatus larvae at 90 rearing days. In this case, level IV gonad maturity was reached at 90 days which characterized by completed vitelogenesis process and oocyte diameter of 1.1 mm. Thus, this study is useful for aquaculture science by providing information on utilization of AA as food supplement in fish culture and also for fish farmer who wish to accelerate O. vittatus reproduction.
Keanekaragaman Jenis Kupu-Kupu Superfamili Papilionoidae di Banyuwindu, Limbangan Kendal Oqtafiana, Ratna; Priyono, Bambang; Rahayuningsih, Margareta
Biosaintifika: Journal of Biology & Biology Education Vol 5, No 1 (2013): March 2013
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v5i1.3924

Abstract

Kupu-kupu turut memberi andil dalam mempertahankan keseimbangan ekosistem dan memperkaya keanekaragaman hayati. Tujuan dari penelitian ini adalah untuk mengetahui keanekaragaman jenis kupu-kupu superfamili Papilionoidae di Dukuh Banyuwindu Desa Limbangan Kecamatan Limbangan Kabupaten Kendal khususnya di habitat hutan sekunder, permukiman, Daerah Aliran Sungai (DAS) dan persawahan.Populasi dalam penelitian ini adalah semua jenis kupu-kupu superfamili Papilionoidae yang ada di Banyuwindu, Limbangan Kendal. Sampel penelitian ini adalah jenis kupu-kupu superfamili Papilionoidae yang teramati di Banyuwindu Limbangan Kendal khususnya di habitat hutan sekunder, permukiman, DAS dan persawahan. Penelitian dilakukan dengan metode Indeks Point Abudance (IPA) atau metode titik hitung.Hasil penelitian ditemukan sebanyak 62 jenis kupu-kupu superfamili Papilionoidae yang terdiri dari 737 individu yang tergolong kedalam empat famili yaitu Papilionidae, Pieridae, Lycaenidae dan Nymphalidae. Hasil analisis indeks keanekaragaman jenis berkisar antara 2,74-3,09, indeks kemerataan jenis berkisar antara 0,86-0,87 dan memiliki dominansi berkisar antara 0,07-0,09. Indeks keanekaragaman jenis dan indeks kemerataan jenis tertinggi tercatat pada habitat permukiman yaitu 3,09 dan 0,87 dan memiliki dominansi 0,07 sedangkan terendah tercatat pada habitat persawahan yaitu 2,74 dan 0,86 dan memiliki dominansi 0,07.Butterfly also contribute in maintaining the ecological balance and enrich biodiversity. The aim of this research was to determine the diversity of butterflies superfamily Papilionoidae in Banyuwindu Hamlet Limbangan Sub district Kendal Regency, especially in the secondary forest habitat, settlements, river flow area (RFA) and rice field. The population in this research were all kinds of butterflies Papilionoidae superfamily in Banyuwindu, Limbangan Kendal. The sample was kind of butterfly superfamily Papilionoidae that observed in Banyuwindu Limbangan Kendal especially in secondary forest habitat, settlements, RFA and rice field. This research was conducted using Index point Abundance (IPA) or point count method. The result of this research indicate 62 species of butterflies Papilionoidae superfamily consisting of 737 individuals were classified into four families that Papilionidae, Pieridae, Lycaenidae and Nymphalidae have been found. The results of the analysis of species diversity index ranged from 2.74 to 3.09, evenness index ranged from 0.86 to 0.87 and has a range between 0.07 to 0.09 dominance. Species diversity index and evenness index highest in residential habitats are 3.09 and 0.87 and have dominance 0.07 while the lowest was recorded in rice field habitats are 2.74 and 0.86, and has a 0.07 dominance.
ISOLASI DAN IDENTIFIKASI VIRUS AVIAN INFLUENZA SUBTIPE H5N1 DI PETERNAKAN TRADISIONAL KECAMATAN GUNUNGPATI SEMARANG Wibowo, Angga Ari; Susanti, R.; Ulum, Farikhul; W.H., Nugrahaningsih
Biosaintifika: Journal of Biology & Biology Education Vol 4, No 2 (2012): September 2012
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v4i2.2270

Abstract

Avian Influenza (AI) atau yang lebih dikenal dengan flu burung disebabkan oleh virus influenza yang bermutasi menjadi patogen. Penelitian tentang isolasi dan identifikasi virus AI subtipe H5N1 perlu dilakukan untuk mengetahui keberadaan virus tersebut khususnya di kecamatan Gunungpati. Desain penelitian adalah eks ploratif dengan pengumpulan sampel usap kloaka secara acak di lima kelurahan di kecamatan Gunungpati. Sampel usap kloaka ditumbuhkan pada telur ayam berembrio SPF, kemudian diisolasi RNA-nya dilanjutkan dengan identifikasi subtipe virus AI menggunakan Reverse Transcriptase-Polymerase Chain Reaction (RTPCR) dengan primer pendeteksi gen H5 dan N1. Hasil positif apabila visualisasi hasil elektroforesis dari produk PCR menunjukkan pita-pita spesifik panjang 219 bp untuk H5 dan 131 bp untuk gen N1-nya. Limapuluh sampel usap kloaka yang diisolasi dari lima kelurahan di Gunungpati, delapan isolat positif VAI dan enam diantaranya positif H5N1 dengan angka prevalensi 12%. Isolat positif berasal dari 2 spesies itik (16,67%), 2 dari entok (11,76%) dan 2 dari angsa (18,18%). Dari lima kelurahan yang diambil sampelnya, tiga kelurahan ditemukan positif virus H5N1 masing-masing kelurahan Sekaran (6,67%), Kalisegoro (16,67%) dan Pakintelan (15,78%). Unggas-unggas air di peternakan unggas tradisional berpotensi sebagai penularan virus AI, khususnya subtipe H5N1.Avian Influenza (AI) or better known as bird flu is caused by influenza viruses that mutate into a pathogen. Research on the isolation and the identification of H5N1 subtype needed to be carried out to determine the presence of the virus, particularly in the subdistrict of Gunungpati. The study design was explorative by collecting cloacal swab samples randomly from five villages in Gunungpati. The cloacal swab samples were cultured in embryonated SPF chicken eggs, then the RNA was isolated and followed by the identification of AI virus subtype using Reverse Transcriptase-Polymerase Chain Reaction (RT-PCR) with H5 and N1 gene detecting primers. A positive result is obtained if the visualization of the electrophoresis of PCR products showed bands with specific length of 219 bp for H5 gene and 131 bp for N1 gene. Fifty cloacal swab samples were isolated from five villages in Gunungpati, and eight of them were positive isolates and six of them were H5N1 positive with the prevalence rate of 12%. The positive isolates were derived from two species of duck (16,67%), 2 from wild duck (11,76%) and 2 from geese (18,18%). Of the five sampled villages, three villages were found to be H5N1 positive, i.e. Sekaran village (6,67%), Kalisegoro village (16,67%) and Pakintelan village (15,78%). Water birds in traditional poultry farming were considered potential as the transmitters of AI virus, particularly of H5N1 subtype.

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