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Programs then compete to verify the transaction by means of cracking advanced equations. The winner is rewarded with extra bitcoins. 10-questions-to-ask-before-signing-up-an-online-college
Kabar Gembira, Peneliti Temukan Bahan Terbaik untuk Membuat Masker

Berita Viral dan TerUpdate


Kabar Gembira, Peneliti Temukan Bahan Terbaik untuk Membuat Masker

Kabar Gembira, Peneliti Temukan Bahan Terbaik untuk Membuat Masker

Kabar Gembira, Peneliti Temukan Bahan Terbaik untuk Membuat Masker

Mengenakan masker merupakan salah satu cara paling penting untuk mengurangi penularan COVID-19. Menurut Pusat Pengendalian dan Pencegahan Penyakit, masker bedah dan masker N95, hanya boleh digunakan untuk tenaga medis yang bekerja di garda terdepan.

Sedangkan sesuai anjuran pemerintah, masyarakat umum diimbau untuk menggunakan masker kain, yang bisa kita buat sendiri di rumah. Pertanyaan pertama yang muncul ketika akan membuat masker sendiri di rumah adalah, bahan apa yang sebaiknya digunakan?

Para peneliti dari National Laboratory dan University of Chicago di Amerika Serikat, telah menguji berbagai bahan di laboratorium untuk menyelidiki sifat filtrasi mekanis dan elektrostatiknya.

Peneliti menemukan bahwa banyak lapisan dan campuran kain bekerja paling baik untuk menyaring partikel. Tetapi sekali lagi, jika masker kamu tidak pas, ini akan gagal.

Penelitian ini dilakukan dengan menguji berbagai kain, termasuk katun, sutra, sifon, kain flanel, dan berbagai bahan sintetis dan kombinasinya.

"Secara keseluruhan, kami menemukan bahwa kombinasi berbagai kain yang biasanya tersedia yang digunakan dalam masker kain berpotensi memberikan perlindungan signifikan terhadap transmisi partikel aerosol," kata para peneliti, dikutip Times of India, Senin 4 Mei 2020.

"Efisiensi filtrasi hibrida (seperti katun-sutra, katun-flanel) adalah > 80 persen (untuk partikel <300 nanometer) dan > 90 persen (untuk partikel > 300 nanometer)," lanjut para peneliti.

Para peneliti berspekulasi bahwa peningkatan kinerja hibrida kemungkinan karena efek gabungan dari filtrasi berbasis mekanik dan elektrostatik.

Tim menemukan bahwa untuk kain seperti katun, semakin banyak jumlah benang yang digunakan adalah yang paling baik digunakan. Semakin kecil lubangnya, semakin sedikit partikel besar yang bisa lepas. Ini adalah penyaringan mekanis, di mana kain akan mampu menangkap partikel. Misalnya, kain statis seperti poliester, filter elektrostatik menjaga aerosol di dalam lingkungan statis.

Kesimpulannya, kombinasi kain yang berbeda (melapisi banyak bahan) adalah cara terbaik untuk menyaring sebagian besar partikel.

Namun yang perlu diingat adalah, semua ini tidak akan berfungsi jika kamu tidak mengenakan masker dengan benar. Pemakaian masker yang tidak tepat mengakibatkan penurunan efisiensi penyaringan hingga 60 persen. Jadi, masker apapun yang kamu beli atau buat, pastikan kamu memakainya dengan benar. 

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