Tech
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Biomimetic Materials: Research Frontiers and Strategies
Biomimetic materials are synthetic materials built to copy structures and functions that living organisms already use, from self-cleaning surfaces to polymers that heal their own cracks. One analysis of 991 highly cited papers and over 12,000 patents finds the field settling into seven research frontiers, with serious public funding behind them in the United States, the European Union, China, the United Kingdom, and Japan. The short version of the promise: materials that notice their surroundings, react fast, and fix themselves, so the old line between structural and functional materials stops mattering. What are biomimetic materials? The idea behind the field is refreshingly blunt. If you need a material with an…
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Cyclopyrimorate: The First HST-Inhibiting Herbicide and What It Means for Weed Control
HPPD inhibitors came onto the market in the 1990s, and for roughly three decades after that, no new herbicide target followed them. Cyclopyrimorate (CAS 499231-24-2) broke the streak. In 2018, researchers confirmed the molecular target of this selective rice herbicide: homogentisate solanesyltransferase, or HST. It was the first commercial herbicide ever built around that enzyme, and it gave weed control a fresh front under HRAC Group 33. What is cyclopyrimorate? Cyclopyrimorate is a selective bleaching herbicide developed by Mitsui Chemicals Agro for weed control in transplanted rice, including paddies infested with ALS-resistant weeds such as sedges. Treated plants turn white, the symptom you would expect from older bleaching chemistry. The…
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Liquid cooling coolant selection: a four factor score
Liquid cooling coolant selection comes down to one question: does the liquid cooling fluid move heat fast, pump cheap, stay safe, and survive the cold? The answer is written in molecular structure. Rank any candidate by a four factor score that weighs thermal conductivity, viscosity, electrical conductivity, and freezing point, then match the winner to your scenario. For data centers the best balance is usually a fluorinated immersion fluid or glycol water, while a cold plate loop wins retrofits on cost. Why liquid cooling beats air cooling by a generational margin Heat leaves a chip in three ways: conduction, convection, and radiation. Air is poor at all three. Air molecules…
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Biowaiver: when generics can skip bioequivalence studies
A biowaiver lets a manufacturer show a generic medicine matches its reference product without running a human bioequivalence study. Regulators grant it only when the science shows the two products will perform the same in the body. The most common route is the Biopharmaceutics Classification System, which sorts oral drugs by solubility and permeability. What a biowaiver means A biowaiver, short for waiver of an in vivo bioequivalence study, is a regulatory pathway. The applicant submits proof and data showing that a human study, or even an in vitro alternative, is not the right way to confirm a medicine works the same in the body. The regulator then exempts the…
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How China Built Its Oligonucleotide Drugs Industry
China’s oligonucleotide drugs industry grew from a near-empty field in the 1980s into a pipeline of about 100 clinical-stage programs today. No single breakthrough explains that shift. Three generations of academic researchers built the chemistry, the delivery science, and the industry links over four decades. Why this niche stayed cold for so long Twenty years ago, RNA interference was still a frontier concept inside overseas laboratories, and almost no one in Chinese universities could read its clinical value. There were no mature nucleic acid chemistry courses, no systematic delivery research, and no academic ecosystem that connected teaching, research, and industry. The science moved fast elsewhere. In 1998 the first antisense…