Frances Arnold @francesarnold Twitter profile

Pinned Tweet

Frances Arnold

4 months

We are thrilled to present a new #enzyme to the world, the first shown to break the man-made carbon-silicon bonds in #siloxanes , which are persistent in the environment.

Teaching Nature to Break Man-made Chemical Bonds

Newly evolved enzyme could one day make silicone compounds biodegradable

www.caltech.edu

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Last Seen Profiles

@scottykokefm

@foolsparadisela

@StGilesTrust

@aditi_girotra

@carrlwallacce

@PradoDianelys

@Ted_Shippin

@keita19820615

@ChefRaffleBot

@ankimo_official

@ayachnmp

@DrGaelMM

@ss855_

@ruddsx4

@agevaperonof

@kami_me_

@rumi_musical

@Peter_PJ_Green

@sehatAQUA

@NeesyinPA

@HowardP53169763

@OleMissTrack

@asiasocietyLA

@moomoo_captain

@mattnffc_

@NCHCareers

@sezkez_

@Universitario

@CoachE_Smith10

@AdamDrakulic

@GeekyAdams

@JAlfredJuicebox

@NinaSenicar

@AscendantZero

@FujikuraMo22874

@talall_ku

Frances Arnold

@francesarnold

3 years

I could not be happier about serving at this time and for this President. #ScienceisBack

Joe Biden

@JoeBiden

3 years

Science will always be at the forefront of my administration — and these world-renowned scientists will ensure everything we do is grounded in science, facts, and the truth.

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Frances Arnold

@francesarnold

6 years

Thank you everyone! I love this supportive community. I'm stunned, and now I just have to get home from Dallas...

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Frances Arnold

@francesarnold

4 years

It is painful to admit, but important to do so. I apologize to all. I was a bit busy when this was submitted, and did not do my job well.

Frances Arnold

@francesarnold

4 years

For my first work-related tweet of 2020, I am totally bummed to announce that we have retracted last year's paper on enzymatic synthesis of beta-lactams. The work has not been reproducible.

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Frances Arnold

@francesarnold

1 year

#finally caught up with ⁦ @CarolynBertozzi ⁩ and Jennifer ⁦ @doudna_lab ⁩ #nobelweek #chemnobelles ⁦ @NobelPrize ⁩

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Frances Arnold

@francesarnold

4 years

For my first work-related tweet of 2020, I am totally bummed to announce that we have retracted last year's paper on enzymatic synthesis of beta-lactams. The work has not been reproducible.

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Frances Arnold

@francesarnold

3 years

You might be interested to know that the binary code on the stage writes out "truth not lies." just ignore the person blocking it... #ScienceisBack

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Frances Arnold

@francesarnold

5 years

With Donna Strickland! On our way to the concert hall, for the @NobelPrize !

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Frances Arnold

@francesarnold

1 year

Just some #chemists having fun.

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Frances Arnold

@francesarnold

5 years

My son took this photo from the front row at today’s #nobelprize lecture.

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Frances Arnold

@francesarnold

5 years

How much fun is this? I get to play myself on The Big Bang Theory!

AndyGordon

@andygordon3000

5 years

Show night!

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Frances Arnold

@francesarnold

5 years

My #Nobel Lecture has been published. I hope you enjoy! #enzymes #directedevolution #innovation

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Frances Arnold

@francesarnold

1 year

Four American #NobelLaureates gather before the #NobelCeremony . #NobelWeek @doudna_lab Andrea Ghez @CarolynBertozzi

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Frances Arnold

@francesarnold

3 years

I cannot wait to see science back at the heart of decision making. So important for our Nation. #scienceisback with @eric_lander and @maria_zuber @https ://buildbackbetter.gov/press-releases/president-elect-biden-announces-key-members-of-his-white-house-science-team/

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Frances Arnold

@francesarnold

1 year

Look how many University of #California #NobelLaureates I was able to gather in just 2 minutes. A great public university and a national treasure @UC_Berkeley @UCLA . #NobelWeek

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Frances Arnold

@francesarnold

4 years

This is how I am listening to your zoom presentations these days. Some joys amidst the sadness. #grandmother

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Frances Arnold

@francesarnold

2 years

Last week in London I added my signature to the great @RoyalSociety book, signed by #IsaacNewton and #CharlesDarwin (see photo), among many others. Grateful to be elected a foreign member.

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Frances Arnold

@francesarnold

4 years

Wonderful day with Catherine Reynolds and @doudna_lab Jennifer Doudna (and Albert Einstein) in 2019. #NobelPrize @NobelPrize .

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Frances Arnold

@francesarnold

4 years

This little guy, James Bailey, showed up in the middle of #COVID , and I am a happy #grandmother ! His father got back from #Mars2020 launch of @NASAPersevere just in time!

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Frances Arnold

@francesarnold

1 year

On my way to ⁦ @NobelPrize ⁩ festivities! Looking forward to celebrating #science and some wonderful friends. I’ve got everything in a carryon this time, takin’ no chances w travel demons…

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Frances Arnold

@francesarnold

6 years

Started writing #NobelPrize Lecture in Hawaii! Fine place to contemplate evolution.

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Frances Arnold

@francesarnold

4 years

For those of us who were listening to our black colleagues last week #BLM , the timing of the Hudlicky essay in @angew_chem could not have been worse. How such a poorly written and poorly reasoned piece have been reviewed and published there is beyond me. TY @Joseph_DeSimone .

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Frances Arnold

@francesarnold

5 years

#DonnaStrickland and I show off our (chocolate) #Nobel medals at the Nobel Foundation reception at the end of our magical week in #Stockholm for the @NobelPrize .

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Frances Arnold

@francesarnold

6 years

Arriving @Caltech on October 3 after the @NobelPrize announcement! My sons and students were there to meet me.

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Frances Arnold

@francesarnold

4 years

I'm looking for new team members (postdoc) to explore #chemistry not known in #biology with #directedevolution . If you are interested in #greenchemistry done biologically, read our publications & apply if Caltech and working at cutting edge is for you! #enzymes #biocatalysis

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Frances Arnold

@francesarnold

5 years

Just a couple of #Nobel laureates having some fun in #NYC .

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Frances Arnold

@francesarnold

6 months

We need more women in #science and #technology , because there's so much to do, including making it safe for people. Plus, solving problems is fun!

‘We need more women,’ says only female winner of Millennium Technology prize

Women form just 16% of the nominees for next year’s award, but Nobel laureate Prof Frances Arnold says gender balance will come through girls working in science from a young age

www.theguardian.com

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Frances Arnold

@francesarnold

1 year

#Chemists in Stockholm! ⁦ @GRCPres ⁩ came to see all the fabulous women scientists the ⁦ @GordonConf ⁩ have celebrated over the years.

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Frances Arnold

@francesarnold

4 years

Life goal.

Dr Kit Chapman

@ChemistryKit

4 years

The only scientist to win both the Nobel and IgNobel prizes (for amazing science/very silly science respectively) is Andre Geim. He won the Nobel prize in 2010 for the properties of super-material graphene. He won his IgNobel in 2000 for making a frog levitate with magnetism.

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Frances Arnold

@francesarnold

3 years

Please forgive my five-years-old flirt with forming an armed militia.

The Nobel Prize

@NobelPrize

3 years

"No one knew what to do with a smart little girl in the 1960s." Aged five @francesarnold spent as much time as she could outdoors going on adventures. Today Arnold is a celebrated engineer, who was awarded the Nobel Prize for the directed evolution of enzymes.

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Frances Arnold

@francesarnold

2 years

Pope Francis gave me this beautiful necklace, as a new member of the Pontifical Academy of Sciences. #gratitude , #hope , #scienceforpeace .

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Frances Arnold

@francesarnold

1 year

UCBerkeley ⁦ @UCB_Chemistry ⁩ very well represented tonight in Stockholm #nobelweek ⁦ @doudna_lab ⁩ ⁦ @CarolynBertozzi ⁩ ⁦ @christhechang ⁩

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Frances Arnold

@francesarnold

5 years

Yes this is Bob Langer and Steven Tyler ⁦ @IamStevenT ⁩ of ⁦ @Aerosmith ⁩ tonight at ⁦ @metmuseum ⁩ in #nyc . Party on!

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Frances Arnold

@francesarnold

2 years

Today I decided that #directedevolution is finally ready to be run entirely by #machinelearning . No more painful experiments to get your long-dreamed-for #enzymes ! Grad students and postdocs can just push a button.

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Frances Arnold

@francesarnold

4 years

#ThisIsWhatAScientistLooksLike @NobelPrize

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Frances Arnold

@francesarnold

2 years

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Frances Arnold

@francesarnold

7 months

In my #scientist era at #TaylorSwift premiere in LA. ⁦ @GordonConf ⁩ made this tshirt for all girl scientists!

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Frances Arnold

@francesarnold

3 years

My grandson watching @NASAPersevere landing live!! All of us were on the edge of our seats. Congrats! #Mars2020

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Frances Arnold

@francesarnold

4 years

Women or #URM who love #enzymes , please consider applying to my lab for PhD or postdoc studies! We need you @Caltech . (I don't discriminate against men, either.) (:

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Frances Arnold

@francesarnold

4 years

TY for support (or not), and for joining this important conversation! Realize now that tongue-in-cheek 'bit busy' remark was unclear to many. With more than 1500 invitations since Prize in 2018, just responding takes more time than I have. Can't do it all. It's ok.

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Frances Arnold

@francesarnold

5 years

April 4 will be my appearance on @bigbangtheory . But don't blink or you'll miss me!

Emmy for Mayim

@Emmy4Mayim

5 years

At last #bigbangtheory adds real-world #WomenInScience representation w/ guest Dr. Frances H. Arnold, 2018 Nobel Laureate, only 5th woman to be awarded the prize. 🧪 Hanging w/ real and fake scientists.- #billprady Laureates: G.Smoot (physics 2006), K.Thorne (physics 2017)

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Frances Arnold

@francesarnold

4 years

My motto, shared for 29 years with my three children: "I'm not perfect, but I'm good enough." Works for me. Seems to work for a lot of us.

Frances Arnold

@francesarnold

4 years

TY for support (or not), and for joining this important conversation! Realize now that tongue-in-cheek 'bit busy' remark was unclear to many. With more than 1500 invitations since Prize in 2018, just responding takes more time than I have. Can't do it all. It's ok.

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Frances Arnold

@francesarnold

3 years

We have a top scientist in the Cabinet of @POTUS ! Congratulations, @eric_lander .

U.S. Senate Unanimously Confirms Dr. Eric Lander to Become Director of the White House Office of...

Dr. Lander will become the first OSTP Director in U.S. history to serve in the President’s Cabinet Today, the U.S. Senate voted, in a unanimous voice vote, to confirm world-renowned scientist Dr....

www.whitehouse.gov

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Frances Arnold

@francesarnold

3 years

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Frances Arnold

@francesarnold

2 years

Well, I never thought i would end up on the same list as Dolly Parton and Kris Jenner! Never too late...

College of Chemistry

@UCB_Chemistry

2 years

😍😍😍Wow, alumna and @NobelPrize laureate @francesarnold joins @DollyParton , #AngelaBassett , and lifestyle guru @KrisJenner on this year’s @Forbes '50 over 50' list. A rock star in every universe!

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Frances Arnold

@francesarnold

5 years

At the Nobel Museum today with Linus Pauling! @nobelmuseum

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Frances Arnold

@francesarnold

5 years

We were not sure it was possible, but we found a little activity in an engineered #cytochromeP450 #enzyme . Once you have a starting point, you are golden. #directedevolution

Nature Portfolio

@NaturePortfolio

5 years

Enzymes have been evolved to tackle one of the most difficult reactions in chemical synthesis, the direct functionalisation of alkyl C-H bonds, according to a study published in Nature.

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Frances Arnold

@francesarnold

10 months

Celebrating Rudy Marcus’ 100th birthday ⁦ @Caltech ⁩ ⁦ @CaltechCCE ⁩ ⁦ @NobelPrize ⁩ . Still loving #chemistry !!

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Frances Arnold

@francesarnold

3 years

It's that time of year again!

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Frances Arnold

@francesarnold

3 years

I was saddened to hear that my friend Dan Tawfik died doing what he loved--climbing. I learned so much from him about protein evolution, always looked forward to reading, and teaching from, his papers.

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Frances Arnold

@francesarnold

1 year

Tonight the @smithsoniannpg honored some very special Americans. Thank you, Dr. Fauci, for everything you have done for us. I encourage all of you to see his very moving portrait in the #NationalPortraitGallery . #NPG

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Frances Arnold

@francesarnold

4 years

Thank you, @SundarPichai ! I could not be more excited about having more work to do...front row seat to the future @google and Alphabet.

Sundar Pichai

@sundarpichai

4 years

I’m thrilled to welcome @francesarnold to the Alphabet Board of Directors. Frances brings incredible academic and industry expertise with a career spanning chemistry, engineering, renewable energy and more -- and a Nobel Prize in Chemistry. Looking forward to working with her!

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Frances Arnold

@francesarnold

3 years

Sitting on my son's yard art--I mean motorcycle--project.

Christopher Michel

@chrismichel

3 years

Portrait of former waitress/cab-driver, hard-core motorcyclist, world traveler, & amazing mother, @francesarnold . She's also the Linus Pauling Professor of Chemical Engineering @Caltech , Co-Chair of #PCAST , and recipient of the 2018 @NobelPrize . @theNASEM @WHOSTP #NewHeroes

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Frances Arnold

@francesarnold

2 years

With #BobGrubbs and Rudy Marcus at the Athenaeum. Can't feel so special when ten percent of the @CaltechCCE senior faculty had a #NobelPrize (Ahmed Zewail, too). Bob, we will miss you.

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Frances Arnold

@francesarnold

5 years

Hmm. First female scientist cameo on #BigBangTheory in 12 seasons. Not such a good record, but at least it was done!

Marie Henley

@mariehenley17

5 years

The Big Bang Theory Season 12, Episode 18 Recap: Sheldon and Amy's Uncertain Nobel Hopes Frances Arnold, the first female scientist to play herself on the series try to help Amy and Sheldon with their Nobel hopes on The Big Bang Theory.

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Frances Arnold

@francesarnold

5 years

Age appropriate wheels! What are YOU doing this weekend?

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Frances Arnold

@francesarnold

3 years

Correction: it includes "Hope over fear. Unity over division. Science over fiction. Truth over lies."

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Frances Arnold

@francesarnold

4 years

I am going to embarrass my wonderful fitness trainer (and nephew) @SamShapeTrain in #Pittsburgh by putting the word out that he is a lovely person who would like to meet a really nice girl. Maybe one of you #chem grad students?

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Frances Arnold

@francesarnold

3 years

Thought I would share tonight's sunset over Lake #Michigan .

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Frances Arnold

@francesarnold

4 years

Just when we thought it could not possibly get worse...

NPR Politics

@nprpolitics

4 years

Justice Ruth Bader Ginsburg, Champion Of Gender Equality, Dies At 87

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Frances Arnold

@francesarnold

2 years

I snagged two cookies with the Presidential Seal on exiting the Oval Office yesterday...like the chocolate @NobelPrize medals, seems a shame to eat them.

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Frances Arnold

@francesarnold

4 years

This is about as cool as it gets #syntheticbiology #directedevolution : Conversion of Escherichia coli to Generate All Biomass Carbon from CO2

Conversion of Escherichia coli to Generate All Biomass Carbon from CO2

Metabolic rewiring and directed evolution led to the emergence of E. coli clones that use CO2 as their sole carbon source, while formate is oxidized to provide all the reducing power and energy...

www.cell.com

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Frances Arnold

@francesarnold

3 years

My remarks on January 16, 2021. #ScienceisBack . And it's an act of love.

Video Biden introduces Dr. Frances H. Arnold

Dr. Frances H Arnold remarks on being selected as co-chair of the president’s council of advisers on science and technology.

abcnews.go.com

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Frances Arnold

@francesarnold

4 years

Another life goal reached. @Caltech will be proud.

ProfG

@ProfG101

4 years

. @francesarnold Forget the Nobel prize. Forget visiting the Palace. You were a pointless answer on Pointless this evening. You have made it.

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Frances Arnold

@francesarnold

5 years

first rehearsal for #Nobel banquet!

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Frances Arnold

@francesarnold

5 years

Just a peaceful cabin in the woods. No electricity, no phone. Running water is the stream. Back to another way of life, 10 miles from ⁦ @Caltech ⁩ ...

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Frances Arnold

@francesarnold

9 months

Scientists of Twitter! The world needs more reminders that we're living, breathing human beings with lives outside a lab. Quote tweet this with a picture of you doing not-science! No water, no electricity, all home sweet home. I miss 137...

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Frances Arnold

@francesarnold

3 years

"Hope over fear. Unity over division. Science over fiction. Truth over lies." -- @JoeBiden

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Frances Arnold

@francesarnold

5 years

OK, so now the cat's outta the bag--my role on #bigbangtheory is throwing away perfectly good xxx cookies! BTW that office/desk is way more neat than my own...

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Frances Arnold

@francesarnold

4 years

Nobel laureates and science groups demand NIH review decision to kill coronavirus grant

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Frances Arnold

@francesarnold

6 years

@CarolynBertozzi @Caltech @NobelPrize There are many great women in #Chemistry -in fact, I expect to see a long train of Nobel Prizes to women like @CarolynBertozzi , Jennifer Doudna, Emmanuelle Charpentier, Judith Klinman, @Sanford_Lab , @sarah_reisman and many more.

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Frances Arnold

@francesarnold

4 years

Thanks @sundapichai ! Excited to work with you and the teams at Alphabet and @google .

Sundar Pichai

@sundarpichai

4 years

I’m thrilled to welcome @francesarnold to the Alphabet Board of Directors. Frances brings incredible academic and industry expertise with a career spanning chemistry, engineering, renewable energy and more -- and a Nobel Prize in Chemistry. Looking forward to working with her!

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Frances Arnold

@francesarnold

4 months

When we published the first #enzyme to MAKE carbon-silicon bonds back in 2016, some people asked us to BREAK them, so these man-made compounds would not persist in the environment. We finally made the first steps toward that:

Directed evolution of enzymatic silicon-carbon bond cleavage in siloxanes

An engineered enzyme catalyzes two sequential methyl group oxidations that lead to carbon–silicon bond cleavage in siloxanes.

www.science.org

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Frances Arnold

@francesarnold

4 years

Thank you @Lin_Manuel Miranda for bringing so much joy to so many! #myNPG @smithsoniannpg

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Frances Arnold

@francesarnold

2 years

I crashed her Royal Society induction and invited myself to dinner with you @ProfG ! So happy for @carolynbertozzi #ChemNobel . #NobelPrize2022 .

ProfG

@ProfG101

2 years

2019 @boccadilupo Ben Davis and @francesarnold exchange stories about Swedish Royal Family. @CarolynBertozzi turns to me and says “are we the only ones without a King of 🇸🇪 story?” “You will have soon” I responded. #NobelPrize2022 🍾

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Frances Arnold

@francesarnold

3 years

Today is even better. Happy April.

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Frances Arnold

@francesarnold

6 years

Mothers and sons everywhere, enjoy my son's response to my early-morning call: Caltech Mom Wins #NobelPrize , Son Is JPL Mars Flight Tech

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Frances Arnold

@francesarnold

1 year

The rain stopped long enough for us all to celebrate Mrs and Mr Hosea Nelson! @caltechCCE @theNelsonLab . And, how nice of them to choose flowers to match my outfit!

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Frances Arnold

@francesarnold

1 year

Greetings from a #Sinaloa cornfield that is protected by @Provivitm #pheromones . This is a project ten years in the making, and now in the hands of farmers who want to reduce #insecticides and protect #biodiversity . @pedroslcoelho @ProviviMx

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Frances Arnold

@francesarnold

4 years

I apologize for all the #cactus photos, but this was too good to leave out. Cactus gone wild. Be well.

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Frances Arnold

@francesarnold

4 years

Another huge win for #PackardFellows ! Do you know that all three US women who won #NobelPrize in the last 3 years are also #PackardFellows ? TY to the @PackardFoundation for critical early support of scientists and engineers.

Packard Foundation

@PackardFdn

4 years

Jennifer A. Doudna, Packard Fellow and longtime Advisory Panel member, and microbiologist @e__charpentier receive this year's #NobelPrize in Chemistry for the development of a method for genome editing. Congrats @doudna_lab ! @NobelPrize #PackardFellows

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Frances Arnold

@francesarnold

4 years

Photo taken in front of Latimer Hall @UCB_Chemistry in the early 1980s. Good ol' days.

The Nobel Prize

@NobelPrize

4 years

The star of enzyme engineering and fifth woman to receive the Chemistry Prize - @francesarnold . Arnold uses the process of evolution to make new and better enzymes. Their uses include more environmentally friendly manufacturing of chemical substances, such as pharmaceuticals.

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Frances Arnold

@francesarnold

3 years

Pretty impressive! Perhaps we can now move to the protein function problem?

Sundar Pichai

@sundarpichai

3 years

. @DeepMind 's incredible AI-powered protein folding breakthrough will help us better understand one of life’s fundamental building blocks + enable researchers to tackle new and hard problems, from fighting diseases to environmental sustainability.

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Frances Arnold

@francesarnold

4 years

These are not secrets to success. More like 'how to do it the hard way'. I hope my sons don't read this.

Matt Krantz

@mattkrantz

4 years

How does a teenage runaway turn into a @NobelPrize Laureate? @francesarnold did it - and told @IBDinvestors how. You won't look at your life the same after reading this.

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Frances Arnold

@francesarnold

4 years

Dear Twitter friends, applying for a #postdoc @Caltech takes a little work on your part. Basically, explain why you should be part of my lab and what you will do here. Provide references. Put some thought into it. Women and #URM are encouraged!

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Frances Arnold

@francesarnold

3 years

In beautiful Barcelona for the @FPdGi awards with @MariaEscEsc !

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Frances Arnold

@francesarnold

4 years

Like my outfit? @UniPadova . Finally I have a degree in #chemistry !

marcella.bonchio

@MarcellaBonchio

4 years

Honoris causa PhD in Chemical Sciences, just before the opening ⁦ @francesarnold ⁩ ⁦ @UniPadova ⁩ ⁦ @ServizioRicerc ⁩ ⁦ @DiSC_UniPD ⁩

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Frances Arnold

@francesarnold

3 years

This is so @caltech : #basketballs signed by #NobelLaureates . (There's so many here that there was almost no room left.)

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Frances Arnold

@francesarnold

3 years

So sorry this could not take place in Stockholm...but just wait a year. I'll be there to celebrate Emmanuelle and Jennifer again.

The Nobel Prize

@NobelPrize

3 years

Watch the very moment 2020 Chemistry Laureates Emmanuelle Charpentier and Jennifer Doudna receive their Nobel Prizes. They are awarded the 2020 #NobelPrize in Chemistry for their work on CRISPR/Cas9, a tool used to edit genomes.

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Frances Arnold

@francesarnold

3 years

Happy #MothersDay to all you wonderful mothers. I miss mine today. My children and grandchildren make the many challenges of being a mother wholly worth it.

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Frances Arnold

@francesarnold

4 years

I'm the one who is proud! I hope to see you there. #directedevolution #enzymes #latinXChem .

LatinXChem

@LatinXChem

4 years

Proud to announce that Nobel Laureate Frances Arnold @francesarnold from @Caltech is Closing #LatinXChem Webinar speaker on September 18, 2020, 16:00 h (UTC) August 25. Registration deadline September 7. LatinXChem Twitter Conference Poster registration

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Frances Arnold

@francesarnold

4 years

Just some #scientists in beautiful #Chile @congresofuturo . #DonnaStrickland first female #NobelPrize in physics in 55 years.

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Frances Arnold

@francesarnold

6 years

Now THIS is an #enzyme cocktail! Thank you @FourSeasons Oahu, such a beautiful, peaceful place.

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Frances Arnold

@francesarnold

4 years

My son is the one in the bunny suit. He has not seen his wife or unborn child since Feb. 10. Launch to Mars is July 30. Baby due September. Dedication!

Getting NASA’s Perseverance Mars Rover to the Launch Pad

In February 2020, NASA’s Perseverance Rover began its long journey to Mars by first traveling across the United States. The rover was built at NASA’s Jet Pr...

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Frances Arnold

@francesarnold

5 years

I think it is stunning.

The Nobel Prize

@NobelPrize

5 years

This year's #NobelPrize diplomas have been handed out today to Chemistry laureates Frances Arnold (diploma below), George Smith and Sir Gregory Winter.

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Frances Arnold

@francesarnold

5 years

OMG I got to go to @NASAJPL , don planetary protection gear, and see what my son James is working on!

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Frances Arnold

@francesarnold

5 years

You can see me in the trailer!!! The Big Bang Theory teases Nobel prize plot ahead of final season return via @MetroUK

The Big Bang Theory teases Nobel prize plot ahead of final season return

There's only seven episodes left!

metro.co.uk

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Frances Arnold

@francesarnold

5 years

My brother Bill Arnold with #DonnaStrickland and me, on our way to the royal palace for intimate dinner for 150 with the royal family! #Cinderella #nobelprize