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Peng Chen

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Single-Molecule Chemistry:

Catalysis, Bioinorganics, Biophysics

 

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October 2017:

• Compound Interest: This Week in Chemistry, "Experiment shows that polymers grow in spurts."
• Phys.org news: "Close up view of growing polymer chain show jump steps."
• Science: "Polymers: Watching growth, step by step."
• Chemical & Engineering News feastures our research in single polymer growth dynamics:"Single-molecule experiment reveals polymer growth spurts."
• Cornell Chronicle news article features our single polymer work:"Magnetic tweezers reveal ‘hairballs’ in polymer growth."
• Chunming's Single polymer growth paper in Science has appeared on line!
• Congratulations to Guanqun on the acceptance of his paper by ACS Central Science on imaging bimetallic catalytic enhancements at metal-metal interfaces in single nanoparticles!

September 2017:

• Congratulations to Chunming on the acceptance of his paper by Science on tracking living polymerizations of single polymers in real time! His study represents our first endeavor into single-molecule polymerization catalysis!
• Ningmu passed his B-exam and moved to a Senior Product Engineer position at AMD.

August 2017:

• We welcome Prof. Cheong-soo Hwang from Dankook University, Korea, who will spend some time with us as a visiting scientist.

July 2017:

• We welcome Dr. Susil Baral from Ohio University, joining as a new postdoc!
• We bid farewell to Guanqun Chen, who defended his thesis and moved to a Process Engineer position at Intel.
• Congratulations to Danya Smart, a former graduate student and currently a postdoc at Harvard Medical School, on winning a NIH postdoctoral fellowship and giving birth to another baby, Edra Jane Martell Smart!

June 2017:

• We bid farewell to Danny, who successfully completes her M.S. and moves to Baltimore to join her husband. 
• We welcome Dr. Bing Fu from University of Michigan joining as a new postdoc.
• Cornell Chronicle article "E. coli bacteria's defense secret revealed" features Ace and Tai-Yen's work on the mechanism of bacterial metal efflux pump CusCBA. See also Phys.org, ScienceDaily, Newswise, HiTechDays, Genetic Engineering & Biotechnology News, EurekaAlert, ScienceNewsline, Innovations-report, ScienMag.

May 2017:

• Congratulations to Ace and Tai-Yen, on the acceptance of their paper by PNAS on the dynamic assembly mechanism of the multicomponent efflux pump CusCBA.
• We bid farewell to Ace, who moves to a postdoc position at Harvard Medical School.

Archived News

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Honors Won by Group Members

• Graduate Students

  Nesha May Andoy: Tunis Wentink Prize for Outstanding Academic and Research Performance, 2010
  Jaime Benitez: NIH Molecular Biophysics Traineeship, 2006-2009; Carl Storm Underrepresented Minority Fellowship, GRC, 2008
  Eric Choudhary: NSF IGERT Fellowship on Materials for a Sustainable Future, 2010-2012
  Aaron Keller: NIH Molecular Biophysics Traineeship, 2007-2009; Poster Award, Cell Biology of Metals Gordon Research Conference, 2009; Poster Award, Graduate Association of Chemistry poster session, 2010
  Danya Martell Smart: NIH Chemistry and Biology Interfaces Traineeship,2011; Howard Neal Wachter Memorial Prize,2013; Bauer Scholarship Award, 2014; NIH postdoctoral fellowship, 2017
  Kaori Kubo: Heiwa Nakajima fellowship, 2011-2013
  Ace George Santiago: Simon Bauer Scholarship Award, 2015
  Danny Francis: NSF Graduate Fellowship, 2016-2019
  Won Jung: Howard Neal Wachter Memorial Prize, 2016
  Lauren Genova: NIH Chemistry and Biology Interfaces Traineeship, 2016

• Postdocs

  Justin Sambur: NSF postdoc fellowship, 2011

• Undergraduate Students

  Aleksandr Kalininskiy: Hughes Scholar, 2008
  Derek Klarin: Hughes Scholar, 2006
  Weilin Meng: Hill Fellowship for Undergraduate Summer Research, 2010

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News articles featuring our research:

• "Experiment shows that polymers grow in spurts," This Week in Chemistry, Compound Interest.
• "Close up view of growing polymer chain show jump steps" Phys.org, October 20, 2017.
• "Polymers: Watching growth, step by step" Science 2017, 358, 316.
• "Single-molecule experiment reveals polymer growth spurts" Chem. Eng. News 2017, 95, 4.
• "Magnetic tweezers reveal ‘hairballs’ in polymer growth" Cornell Chronicle, Oct 19, 2017.
• "E. coli bacteria's defense secret revealed" Cornell Chronicle, June 12, 2017.
•  "A ‘Hole’ New World: Improving the Efficiency of Water Splitting," Cornell Daily Sun,  March 1, 2016.
• “Water Splitting: Placing the catalyst where it's needed” Science 2016, 351, 828.
• "Electrochemistry: Photocatalysts in close-up," Nature 2016, 530, 36-37.
• "Fluorescence Method Maps Reactivity Hot Spots On A Catalyst’s Surface," Chem. Eng. News 2016, 94, 8.
• "Researchers seek efficient means of splitting water," Cornell Chronicle, Feb 4, 2016.
  
• Faculty of 1000 Prime recommendation on Danya's PNAS paper (PNAS, 2015, 112, 13467).
• "Understanding Of Bacterial Protein’s Defense Strategy Could Lead To Antibiotics,"Chemical & Engineering News, 2015, 93, 7.
• "How Transcription Factors Depart Their Targets In Cells," Chemical & Engineering News, 2015, 93, 25.
• "Research finds protein regulation linked to cells' growth cycle," Cornell Chronicle, July 2015.
• "The Scientist: Prof. Peng Chen Studies Reactions On the Nanoscale", Cornell Daily Sun,  March 19, 2014.
• "Imaging method identifies most active catalyst particles", Chemical & Engineering News, 2013, 91, 31.
• "Proteins barge in to turn off unneeded genes and save energy", Cornell Chronicle, September 5, 2012.
• "Study Reveals Understanding Surface Defects is Important to Design Better Fuel Cells" by Cameron Chai  on Azom.com.

• "Catalytic Particles Feature Spatial-Activity Hot Spots" by Mitch Jacoby, Chemical and Engineering News, 2012, 90, 53.

• "Mapping the reactivity of single nanocatalysts" by Nina Notma, Chemistry World, February 22, 2012.

• "To make better fuel cells, study the defects" by Bill Steele, Cornell Chronicle, February 20, 2012.

• “Picture perfect pentacene” by James Mitchell Crow, Chemistry World, January 2011, 46-49.

• "Pinpointing catalytic reaction sites on carbon nanotube walls" by Michael Berger, Nanowerk, April 21, 2009.

• "Single-Molecule Fluorescence Events Seen In Real Time" by Mitch Jacoby, Chemical& Engineering News, April 20, 2009, 87, 38.

• "Catalytic behaviour of SWCNTs scrutinised" by Nina Notman, Chemistry World, April 20, 2009.

• "Finding how carbon nanotubes work as catalysts could lead to cleaner fuels" by Bill Steele, Cornell Chronicle.

• "Single nanocatalyst behavior revealed" by Nina Notman, Chemistry World, February 18, 2009.

• Chemistry Today (in Japanese), February 2009, page 12. [pdf]

• "Monitoring catalysis one particle at a time," Nanotechnology Alert, Jan 23, 2009, Frost & Sullivan.

• "Scrutinizing Catalysts" by Mitch Jacoby, Chemical & Engineering News science highlight, 2008, 86, 9.

• "When A Good Nanoparticle Goes Bad," National Science Foundation press release. 

• "New method can capture catalysis, one molecule at a time," by Bill Steele, Cornell Chronicle.

• "When a Good Nanoparticle Goes Bad," news highlight by Cornell Center for Materials Research.

• "Watching A Catalyst at Work," New Energy and Fuel.

• "Gold study 'could lead to smart catalysts being produced'" Gold News.