Residu anestesi tertua ditemukan pada peralatan bedah Tiongkok kuno

Selasa, 26 Mei 2026

Dilaporkan oleh AI

Residu pada instrumen medis abad ke-15 menunjukkan bahwa dokter Tiongkok menggunakan senyawa tanaman beracun untuk meredakan nyeri selama operasi. Penemuan ini memberikan bukti kimia paling awal mengenai penggunaan anestesi di mana pun di dunia.

Gunting bedah dan pinset yang ditemukan dari makam dokter Xia Quan, yang hidup dari tahun 1348 hingga 1411 di provinsi Jiangsu, mengandung jejak akonitin. Peneliti di Northwest University di Xi’an mengidentifikasi senyawa tersebut menggunakan analisis laser. Instrumen-instrumen tersebut pertama kali digali pada tahun 1974, namun studi kimianya baru dilakukan baru-baru ini.

Study finds madecassic acid, a Centella compound used in skincare, can inhibit drug-resistant E. coli in lab tests

Selasa, 21 April 2026 Dilaporkan oleh AI Gambar dihasilkan oleh AI Fakta terverifikasi

Researchers at the University of Kent, working with University College London, report that madecassic acid—a compound derived from the medicinal herb Centella asiatica and widely used in skincare—can inhibit the growth of antibiotic-resistant E. coli by targeting a bacterial respiratory system not found in humans or other animals.

Neanderthals may have used birch tar as wound treatment

Experiments suggest Neanderthals could have applied birch tar, found at their sites, as an antiseptic for wounds due to its antibiotic properties. Researchers replicated ancient production methods and tested the tar against bacteria causing skin infections. The findings build on evidence of Neanderthals using medicinal plants.

Smell of Egyptian mummies reveals 2,000-year-old embalming secrets

Senin, 16 Maret 2026 Dilaporkan oleh AI

Chemists at the University of Bristol analyzed the air around tiny fragments of Egyptian mummies to identify volatile organic compounds linked to embalming materials. The study, covering remains from 3200 BC to 395 AD, found 81 distinct compounds from oils, resins, beeswax, and bitumen. These clues show mummification practices grew more complex over time.

Kesehatan

Mexican researchers develop antibiotics from venom and peppers

Kesehatan

Scientists identify brain circuit for chronic pain transition

Ilmu Pengetahuan

Bronze Age Britons used bone tools for copper mining

Chinese scientists use AI to crack moon's far side mystery

Chinese scientists have used an AI model to determine the chemical make-up of the moon's far side, offering new insights into one of lunar science's enduring mysteries. The findings add to insights from China's historic Chang'e-6 mission to the lunar far side in 2024.

Hong Kong customs seizes HK$3.4 million worth of suspected drugs, arrests two men

Jumat, 03 April 2026 Dilaporkan oleh AI

Hong Kong customs officers seized 6.5kg of suspected drugs worth HK$3.4 million (US$433,800) and arrested two men in separate operations earlier this week. The Customs and Excise Department said the first arrest took place at Hong Kong International Airport, where 3.1kg of suspected ketamine was found in a 43-year-old man's baggage from Bangkok; the second involved 1.7kg each of suspected cocaine and methamphetamine in Yau Ma Tei.

27 Mei 2026 02.18