"Sunlight is like a combination catalyst and promoter. It will reduce your working times significantly."
"Forming more enol is less favorable and so when you do acid acid-catalyzed alpha-halogenations, it's most likely to happen only once."
"We've been talking about catalysis, we talked about kind of like mechanisms, catalysts, we talked about effective temperature, all sorts of things..."
"The noble metals are good catalysts."
"A catalyst speeds up the forward and the reverse reaction at the same time."
"It's quite obvious then that there's been a huge amount of research trying to look at catalysts that can catalyze this oxygen evolution reaction at much faster rates than current state-of-the-art catalysts."
"The turnover frequency is significantly larger for the iron followed by the cobalt and manganese and being really low for the undoped and the zinc dioxide if we consider a single potential of about 1.65 volts here."
"This much larger density of these active species can then help drive a much larger current densities."
"The challenge of hydrogen production still lies in developing better oxygen evolution catalysts."
"Daniel is one of the world's experts on catalysis."
"And now how much more active is it? It could be on the order of five times better than pure platinum."
"Understanding catalysis is central to many things that are important to all of us in society."
"The key to the enzyme is this big huge molecule, and the dynamics within this molecule that gets everything to align exactly right to be able to lower these barriers so that you can convert your substrate into your product."
"Enzymes are catalysts; indeed, they speed the rate of the reaction by lowering the activation energy."
"If we could make catalysts that could pull carbon dioxide and water out of the air and knit them together using sunlight, we could solve most of our problems."
"A catalyst simply increases the rate of reaction. It does it by providing an alternative reaction pathway with lower activation energy."
"Enzymes speed up your chemical reactions by lowering the activation energy."
"Enzymes catalyze chemical reactions; they accelerate the process of chemical reactions."
"Catalysts are substances that speed up the rate of a chemical reaction without being consumed in the process."
"Enzymes are a type of protein that lower the energy needed to start a chemical reaction."
"They speed up a reaction by lowering activation energy and by facilitating correct orientation for molecules to react."
"Catalytic cracking involves a catalyst; thermal cracking involves heat."
"The chlorine free radical has been regenerated because the chlorine is in effect acting as a catalyst."
"A catalyst speeds up a chemical reaction by lowering the activation energy."
"A catalyst is not consumed in a reaction; it can catalyze the same reaction over and over again."
"A catalyst speeds up a reaction by lowering the activation energy."
"A catalyst is not consumed in a reaction."
"Catalysis makes existing chemical reactions easier, faster, and allows previously impossible chemical reactions to happen."
"Catalysis impacts our world from food to medicines to materials."
"Think of these rule sets as a strategy for your company, for your organization, your team, that really is a way to catalyze amazing teamwork."
"Enzymes are specialized macromolecules that speed up chemical reactions."
"Enzymatic proteins act as a catalyst to speed up chemical reactions."
"This process uses a biological catalyst at room temperature, ordinary pressure, and uses sunlight to drive it."
"Enzymes speed up chemical reactions by lowering the activation energy."
"Enzymes speed up reactions by lowering the activation energy."
"Enzymes are a special class of macromolecule that help to speed up chemical reactions."
"Enzymes are protein catalysts that are going to make it easier and quicker to get the reaction going."
"A catalyst... makes a reaction easier to happen; it lowers the activation energy."
"Enzymes can work over and over again, catalyzing hundreds or thousands of reactions."
"Enzymes are biological catalysts that speed up chemical reactions by lowering the activation energy."
"A catalytic converter uses platinum or rhodium to remove nitrogen oxides."
"An enzyme is a substance living organism which acts as a catalyst to bring about a specific biochemical reaction."
"A catalyst will speed up both the forward and the reverse reactions by the same amount."
"A little bit of catalyst goes a long way because a little catalyst can catalyze a reaction over and over and over again."
"Catalysis actually lowers the barrier, and in fact, introduces a tunnel to make it so much easier for you to get home every night."
"The mass activity of this 45 weight percent iridium is a lot better than what you see in other catalysts."
"A catalyst provides an alternative pathway for the reaction and lowers the activation energy."
"Enzymes are biological molecules, they're a protein that catalyze or speed up reactions."
"Transition elements can be used as catalysts."
"This discovery of self-splicing RNA provided the first exception to the long-held belief that biological reactions are always catalyzed by proteins."
"Ribozymes are RNA molecules with catalytic function."
"The widely accepted RNA world hypothesis postulates that RNA molecules performed all manner of catalytic activity."
"Catalysis is the process of increasing the rate of a chemical reaction by providing an alternative pathway for that reaction."
"Enzymes... biological catalysts that enable specific bonds to be broken or formed under physiological conditions."
"Enzymes... help catalyze biochemical reactions so they make it more likely that a chemical reaction will take place once these molecules collide."
"An enzyme is a protein that catalyzes a reaction without itself being used up."
"Anything that is known to speed up a reaction is known as an enzyme."
"The university can be a catalyzer to help us know what we are initiating."
"Nanoparticles are such good catalysts because their surface area to volume ratio is a lot larger than macroscale materials."
"Orientation is everything, and that's why enzymes are so great at being catalysts."
"Remember, the enzyme is a catalyst, which means it does not get consumed."
"Finally, metal ion catalysis, one of my favorites."
"Catalysis is alive as long as you have some energy to dissipate; it's life itself."
"If you have catalysts that can sense these differences and exploit them, you can achieve predictable and separative site selectively C-H oxidation without directing groups."
"Enzymes have some pretty amazing abilities in terms of flexibility for catalyzing reactions."
"A catalyst is going to lower the activation energy."
"A catalyst is not going to affect the equilibrium."
"Enzymes are catalysts which can speed up the rate of a reaction in the body."
"Our main aim is to discover new reaction chemistry through the power of catalysis."
"Catalytic osmium tetroxide... adds both hydroxyl groups cis to each other, and that's magnificent."
"As a general rule, a catalyst lowers the activation energy for a reaction."
"The water played an important role in that catalytic process."
"Enzymes speed reactions by speeding both the forward reaction and the reverse reaction."
"Maximum velocity is the maximum capacity of that enzyme to catalyze a reaction."
"It can catalyze the conversion of a million molecules of substrate into product per second, per enzyme."
"The catalytic converter is designed to promote continued combustion in the exhaust through heat and chemical oxidation."