Judul: Perubahan Nilai Kerja Pertanian di Daerah Persawahan: Kasus Pemuda di Dua Kewakilan Desa Kampung Sawah Kecamatan Rengasdengklok Kabupaten Karawang
Abstrak: Penelitian ini bertujuan mengetahui perubahan nilai kerja pertanian yang terjadi di pedesaan, khususnya di pedesaan Karawang, Jawa Barat. Untuk itu di pelajari rangsangan-trangsangan (evokinq stirnuli) aPa Yang membangkitkan perubahan nilai kerja pertanian dan bagaimana kecenderungan perubahan jenis pekerjaan sehubungan dengan perubahan nilai kerja itu .
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Judul: Perubahan Nilai Kerja Pertanian di Daerah Persawahan: Kasus Pemuda di Dua Kewakilan Desa Kampungsawah, Kecamatan Rengasdengklok, Kabupaten Karawang
Abstrak: Penelitian ini bertujuan mengetahui perubahan nilai kerja pertanian yang terjadi di pedesaan Karawang, Jawa Barat. rangsangan+rangsangan pedesaan, khususnya di Untuk itu dipelajari (evoking stimuli) apa yang membangkitkan perubahan nilai kerja pertanian dan bagaimana kecenderungan perubahan jenis pekerjaan sehubungan dengan perubahan nilai kerja itu. Untuk mewujudkan tujuan ini digunakan tiga konsepsi: Konsepsi Perubahan Nilai Kerja, Konsepsi Kaitan Desa Kota, Konsepsi Daya Dorong dan Daya Tarik Pertanian+Non Pertanian. Ketiga konsepsi ini membentuk satu kerangka pemikiran perubahan nilai kerja pertanian di daerah persawahan. Desa dan kota masing-masing mempunyai nilai-nilai kerja dan senantiasa terjadi arus pertukaran, barang, jasa dan ide. Arus tersebut terjadi pada tiga medan sosial yaitu teritorial, pasar dan jaringan kerja (Redfield, 1965). Terjadinya arus tersebut dapat pula diterangkan dengan Konsepsi push-pull factors yaitu adanya faktor positip...
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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