Judul: Penentuan Rute Optimum dalam Supply Chain Network dengan Algoritma Ant Colony Untuk Kota dan Kabupaten Bogor
Abstrak: Persaingan antarperusahaan semakin marak terjadi seiring berkembangnya teknologi dan permintaan pasar. Agar produk suatu perusahaan dapat bertahan dipasaran, diperlukan suatu manajemen yang dapat mengatur informasi dari produsen ke konsumen dengan efektif dan efisien. Pada penelitian ini, menitikberatkan cara pendistribusian produk melalui jalur dengan jarak terpendek, yaitu memanfaatkan Algoritma Ant Colony untuk memperoleh rute pendistribusian dengan jarak terpendek. Algortima ini bekerja pada sebuah graf berbobot jarak dan berarah sesuai lajur lalu lintas. Data yang digunakan pada penelitian ini adalah data sistem jalan Kota dan Kabupaten Bogor wilayah Barat. Sistem ini menggunakan Google Maps untuk merepresentasikan rute hasil dari Algoritma Ant Colony. Penelitian ini berhasil mengimplementasikan Algoritma Ant Colony pada sebuah sistem untuk mencari rute optimum pendistribusian. Hasil dari sistem ini berupa rute optimum dengan akurasi sebesar 92%.
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Judul: Penentuan Jalur Tercepat dan Terpendek Berdasarkan Kondisi Lalu Lintas di Kota Bogor Menggunakan Algoritme Dijkstra dan Algoritme Floyd-Warshall
Abstrak: Bogor is one of the major cities in Indonesia which have congestion problems large enough at some point. The congestion partly caused by the large number of public transport and private vehicles which circulating on the road, both are considered to have exceeded the capacity of the streets of the Bogor city . One alternative that can be offered to deal with this congestion is determine the best path to follow. The best path is the fastest path or the shortest path that used to achieve a place in the Bogor city in accordance with the conditions of the road traffic density. Dijkstra algorithm and Floyd algorithm Warshal as shortest path algorithm which is excellent in providing optimum value is used to support the of the best path with the most optimal travel time. The research resulted in a system that is able to produce the fastest path and the shortest path along with the approximate distance, estimated travel time and time of arrival. The function to determine the fastest path is capable of generating the fastest path adjusted to the results of the displacement time. Hence, the system always provide the path with the most optimal travel time.
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Judul: Durability of Specific Immunoglobulin (Ig) Y Againts Influenza and Covid-19 in Sunscreen
Abstrak: The benefit of specific immunoglobulin Y (Ig Y) as an active ingredient in personal care products such as sunscreen has not been properly studied. Our study aims to evaluate the reliability of specific IgY against influenza and the COVID-19 virus in a sample sunscreen product. Specific IgY influenza and COVID-19 viruses were inserted in the sample sunscreen at two concentrations of 0.1% and 0.25%. Three treatments were observed: control (C) sunscreen without IgY, treatment 1 (T1) sunscreen with 0.1% IgY, and treatment 2 (T2) sunscreen with 0.25% IgY. Organoleptic observations were carried out to monitor changes in aroma, color, and texture, and sunscreen sampling was done every week for 6 weeks. The durability of IgY was evaluated using an enzyme-linked immunosorbent assay (ELISA) and a neutralization assay. Organoleptic observation from weeks 1 to 6 showed consistency in its aroma, color, and texture. Enzyme-linked immunosorbent assay and neutralization assay (NA) results of the T1 and T2 groups showed negative results except for sample T1 at week 5, which showed a positive result in the Influenza A ELISA. Based on the results, it seems that IgY concentrations of 0.1% or 0.25% were not optimal. However, this negative result might be due to low concentration of the IgY and the presence of beeswax, which inhibits IgY and causes it to dissolve in distilled water, thus preventing it from being detected in the assay.
Keyword: Immunoglobulin Y, Sunscreen, Influenza, COVID-19, Biological Activity