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Sorotan ing Lintang Bisu: CAS 1821-12-1, 4-Phenylbutyric Acid

Iku ora tren ing Twitter. Iku ora bakal nggawe warta sore. Nanging ing laboratorium saka Boston nganti Beijing, CAS 1821-12-1-luwih dikenal minangka asam 4-fenilbutirat (4-PBA) - kanthi tenang nulis ulang buku pedoman medis lan ngidini kimia sing ana ing lemari obat, sandhangan, lan bisa uga ing sawijining dina mangsa tanpa dialisis.

Apa iku?
Asam lemak aromatik sing prasaja: sepuluh karbon, rong oksigen, siji cincin fenil sing lembut.
• Penampilan: jarum putih alus
• Titik lebur: 49–51 °C—cukup sithik kanggo leleh ing bangku sing panas, cukup dhuwur supaya tetep padhet sajrone pengiriman
• Kelarutan: 5,3 g L⁻¹ ing banyu ing 40 °C, tanpa wates ing pangarep-arep
• LogP: ~2.7—cukup lipofilik kanggo ngliwati membran, cukup hidrofilik kanggo muter apik ing getih

Senjata Rahasia Nephrologist
Ginjel gagal nalika tubulus sing ditekan ngalami apoptosis liwat neraka protein sing ora dilipat ing retikulum endoplasma.
4-PBA tumindak kaya chaperone kimia: nyetabilake protein sing salah lipatan, nelpon weker stres ER (PERK, IRE1α), lan nyuda pati sel ginjel nganti 60% ing model reperfusi iskemia. Terjemahan: kurang fibrosis, kurang dialisis, luwih urip.

Rantai Sisih Tentara-Swiss Medicinal-Chemist
Perlu GABA-mimetik? Ngluwihi chain.
Perlu inhibitor HDAC? Nyumerepi hydroxamate saka asam.
Perlu neuroprotectant penetrasi otak? Dering fenil nyabrang BBB.
Luwih saka 120 sintesis PubMed nyebutake 4-PBA minangka landasan kanggo molekul cilik anti-inflamasi, antiepileptik, lan malah anti-COVID-19.
Bahan Panganan sing Lali Ing Dye-Chemist
Pewarna azo ora tuwuh ing wit. Diazotize, saperangan, lan-boom-srengenge-cepet kuning lan agen kontras pencitraan medis metu saka jar innocuous padha.

Kredensial Ijo
• Biodegradable (OECD 301D: 78 % ing 28 dina)
• Ora ana PFAS, ora ana logam abot, ora ngipi elek SVOC
• Sintesis massal saka benzil klorida + ester malonik—98 % ekonomi atom yen sampeyan daur ulang etanol

Nangani karo (Normal) Care
• Non-mbebayani miturut GHS
• Topeng bledug + kaca tingal cukup
• Simpen ing RT, tetep garing, lan bakal ngluwihi PhD

Dadi, yen sampeyan lagi inventarisasi rak-rak lan ndeleng botol putih kosong kanthi label "1821-12-1" sing ora dingerteni. Ing njero ana molekul sing nglindhungi organ, menehi inspirasi paten, lan menehi warna ing jagad iki - kabeh tanpa njaluk kredit. Amarga pahlawan sejati ora tansah cemlorot. Kadhangkala dheweke mung kristal.

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