THE DEPARTMENT OF                                            STATE UNIVERSITY OF NEW YORK AT POTSDAM, N.Y.

                           CHEMISTRY

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Raman Imaging and Spectroscopy Lab

Chemical and Biological Applications of Raman Spectroscopy (pdf, 7 MB)

International Connection

Atomic Force Microscopy Lab

AFM operation

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Nanotechnology Lab

 

Quartz Crystal Nanobalance Lab

EQCN Principles

EQCN Setup

Studies

 

 

Electrochemical Quartz Crystal Nanobalance (EQCN) technique utilizes quartz vibrations and piezoelectric effect to measure mass changes as small as a fraction of a monolayer of atoms

 

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CHEMISTRY Dept.

Professor Maria Hepel

hepelmr@potsdam.edu

 

Research with Students

Department of Chemistry

Stowell Hall

44 Pierrepont Ave.

Potsdam , NY 13676, U.S.A.

Tel.: +1.315.267.2267

Fax: +1.315.267.3170

 

 

Current Students

Janet Peachey

Michel Robinson

Megan Malone

Henrique Schembry

Mitchell Mayville

Cortney Poiner

Amanda Prance

 

Recent Students

Robert Wallace

Sara Cutler

Jeffrey Deeb

Jessica Slaper

Haley Redmond

Julia Dallas

Kenneth Moot

Matthew Fayette

Erica Sharpe

Sean Tuohy

Indee Dela

Earl Tewksbury

Kana Ito

Richard Catalano

Magdalena Stobiecka

Sandra Hazelton 

Ticia Savage

Jan Pribyl

Stephen Williams

Shaun Hafner

Jan Halamek

Richard Stephenson

Andy Denny

Brian Kusak 

Andrew Graney

Christine Mahoney

Ming Chen

Tania Tannahill 

Efrossini Cateforis

Daniel Pascual

Paul Cutter

Cynthia Rice 

Zhang Xingmin

Sara Ward

Susan Perkins

Edith Seymour

Kaitlin Coopersmith

Zachary Reed

Nicholas Trombley

Justine Barcomb

Veronica Landau

Laura Dentrone

Farah Mahdavi 

Lindsay Facteau

Joseph Gagnon

Florence Shu

Patricia Cookenham

Mark Mack

Kim Shyer

Norine Hull

Asani Phillips 

Jeremiah Yartym

Judith Slote 

Robin Lyndaker

Matt Skeels

Evon Powell 

Mary Herzog

John Nink

Jessica Semanscin

Adam Tripp

Christopher Baxter

Jocelyn Coryea

Melanie Filiatrault 

Jason Kirka 

Caroline Metzger

Laura Adams 

Gabrielle Stephenson

Stephen Ward

Scott Spinner

Michael Salamy

Frederick Boeheim

 

 

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Recent Presentations on Scientific Conferences and Symposia:

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Recent research projects with students:

 

DNA Damage Caused by Alkylating Agents Studied by Measuring Onset of Melting Temperature with Fluorescences Probes - Fall 2011

- Megan Malone, chemistry major  

 

Preparation of Nanostructured Semiconductors for Dye-Sensitized Solar Cells - Fall 2011

- Henrique Schembry, chemistry major      

 

Role of Glutathione in Preventing DNA Damage - Fall 2011

- Janet Peachey, chemistry major

 

Development of Sensors for the Detection of Nitrotyrosine Biomarker for Diabetes - Fall 2011

- Michelle Robinson, chemistry major

 

DNA Damage Induced by Pesticides - Fall 2011

- Michelle Mayville, chemistry major

 

Role of Antioxidants in Preventing DNA Damage - Fall 2011

- Amanda Prance, chemistry major

Oxidative Damage in DNA Caused by Alkylating Agents and Prevention of DNA Damage by Antioxidants - Spring 2011

- Robert Wallace, chemistry major

 

Studies of DNA Damage by Paraquat - Spring 2011

- Kaitlin Coopersmith, chemistry major

 

Studies of DNA Damage caused by Atrazine Herbicide - Spring 2011

- Amanda Prance, chemistry major

 

Interactions of Catechol with DNA in the Presence of Metal Cations - Spring 2011

- Janet Peachey, chemistry major

 

Interactions of Quercetin with DNA - Spring 2011

- Sara Cutler, chemistry major

 

Studies of Binding of Glutathione  and Homocysteine with Different Fluorescent Thiol Reactive Reagents - Spring 2011

- Cortney Poiner, chemistry major

 

Dye-Sensitized Solar Cells - Spring 2011

- Henrique Schembry, chemistry major

 

Interaction of Curcumin with DNA in the Presence of Metal Ions - Spring 2011

- Zachary Reed, chemistry major

Electrochemical Detection of DNA Damage Caused by Toxicants - Fall 2010

- Amanda Prance, chemistry major

           

Interactions Between the Phenol Red Dye and Bovine Serum Albumin using AFM, Fluorescence & Raman Spectroscopy - Fall 2010

- Robert Wallace, chemistry major

 

Testing Antioxidants in Preventing DNA damage - Fall 2010

- Cortney Poiner, chemistry major

           

Quercetin as an Antioxidant & Prooxidant - Fall 2010

- Sara Cutler, chemistry major

           

Fluorescences Resonance Energy Transfer Between Functionalized Coumarin Dyes and Gold Nanoparticles - Fall 2010

- Kaitlin Coopersmith, chemistry major

           

Binding of Metal Ions to Glutathione studied with EQCN Sensors and Isothermal Titration Calorimetry (ITC) - Fall 2010

- Janet Peachey, chemistry major

Interactions of Dyes with DNA Films - Spring 2010

- Kaitlin Coopersmith, chemistry major

  presented at the National Meeting of the American Chemical Society, Washington, DC, June 2009

 

Development of Biosensors for Homocysteine Detection - Spring 2010

- Jeffrey Deeb, chemistry major

  presented at the National Meeting of the American Chemical Society, Washington, DC, June 2009;

  coauthor of paper in Biophysical Chemistry 146 (2010) 98-107,

  coauthor of paper in Electrochemical Society Transactions 19 [28] (2009) 15-32..

 

Resonance Elastic Light Scatteringand Plasmonic Phenomena in Glutathione-Mediated Gold Nanoparticles Assembly- Spring 2010

- Zachary Reed, chemistry major

  to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Oxidative DNA Damage in the Presence of Quercetin and Cu(II) - Spring 2010

- Sara Cutler, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Development of DNA Biosensors for the Detection of Toxicants - Spring 2010

- Amanda Prance, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Oxidative DNA Damage Induced by Metal Ions and Homocysteine - Spring 2010

- Jessica Slaper, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Competitive Adsorption of Glutathione and Homocysteine - Spring 2010

- Nicholas Trombley, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Interactions between Cu(II) Ions - Glutathione - DNA - Spring 2010

- Robert Wallace, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Preparation and Characterization of Thiol Modified Metal Nanoparticles - Spring 2010

- Justine Barcomb, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Preparation and Characterization of Thiol Modified Metal Nanoparticles - Fall 2009

- Jeffrey Deeb, chemistry major

   to present at the Nort-East Regional Meeting of the American Chemical Society NERM-2010 in Potsdam, NY, June 2-5, 2010

 

Preparation and characterization of silver nanoparticles using dynamic light scattering, atomic force microscopy (AFM), and scanning electron microscopy (SEM) - Fall 2008

- Veronica Landau, chemistry major

 

Forensic applications of sound spectrography - Fall 2008

- Justine Barcomb, chemistry major

 

Interactions and reactivity of Hg(II) on glutathione modified gold nanoparticle electrodes - Spring 2008

- Julia Dallas, chemistry major

  presented at the NERM-2008 Meeting of the American Chemical Society, Burlington, VT, June 2008;

  coauthor of paper in Journal of Electroanalytical Chemistry 622 (2008)173-183.

 

Development of sensitive biosensors for the detection of trace level concentrations of Cd(II) ions - Spring 2008

- Matthew Fayette, chemistry major

 

Effect of dopants on the switching time of electrochromic nanoporous WO3 films - Spring 2008

- Haley Redmond, chemistry major

  presentation at the Int. Conference on Solid State Chemistry, Bratyslava, Slovakia, July 2008, sponsored by IUPAC,

  coauthor of paper published in Central European Journal of Chemistry 7 (2008) 234-245.

 

Preparation and characterization of Pt-Fe nanoparticle catalysts for ethanol oxidation - Spring 2008

- Sean Tuohy, chemistry major

 

Thiol modified electrodes as sensors for the detection of mercury (II) ions at low concentrations - Fall 2007

- Julia Dallas, chemistry major

  presented at the National Meeting of the American Chemical Society, Philadelphia, PA, August 2008;

  coauthor of paper published in Sensor and Transducers 8 (2008) 7224-7240.

 

Effect of intercalated cations on the stability of WO3 films studied using EQCN technique - Fall 2007

- Haley Redmond, chemistry major

 

Electrochemical oxidation of ethanol on nanoparticulate films - Fall 2007

- Matthew Fayette, chemistry major

 

Oxidation of formic acid on faceted Pt electrodes - Fall 2007

- Sean Tuohy, chemistry major

 

Development an testing of biosensors for the detection of mercury (II) ions - Spring 2007

- Julia Dallas, chemistry major

 

Competitive cation intercalation in optically switchable WO3 films - Spring 2007

- Haley Redmond, chemistry major

 

Importance of surface diffusion of intermediaes on the performance of different catalysts for the methanol oxidation - Spring 2007

- Kenneth Moot, chemistry major

 

Electrocatalysis of methanol oxidation on different single crystal Pt faces - Spring 2007

- Matthew Fayette, chemistry major

 

Ion gating films of tripeptide glutathione - Spring 2007

- Erica Sharpe, chemistry minor

 

Ion intercalation in electrochromic WO3 films -  Fall 2006

- Haley Redmond, chemistry major

 

 Electrocatalytic oxidation of methanol for fuel cells - Fall 2006

- Kenneth Moot - chemistry major

 

 Ion gating films of tripeptide glutathione - Fall 2006

- Erica Sharpe - chemistry minor

 

 Studies of protein films - Fall 2006

- Florence Shu - chemistry major

 

 Lattice stress measurements in electrochromic films -  Summer Research 2006

- Haley Redmond, chemistry major: poster presentation at the NERM Conference of the American Chemical Society, Binghamton, NY, October 4-6, 2006;

coauthor of paper published in Electrochimica Acta 52 (2006) 3541-3549.

 

 Electrocatalytic methanol oxidation in novel fuel cells using bimetal catalysts

    deposited on nanoporous TiO2 films - Summer Research 2006

- Indee Dela, chemistry major, presentation at the International Symp. on Surfaces / Imaging / Spectroscopy in Krakow, July 7-10, 2006; papers published on-line:

coauthor of paper: Electrochem. Commun. 8/9 (2006) 1439-1444,

coauthor of paper: International Journal of Hydrogen Energy, 32 (2007) 2693-2702,

coauthor of papers: Electrochim Acta 52 (2007) 3541-3549

coauthor of papers: Electrochim Acta 52 (2007) 5529-5547,

Indee is now a graduate student at the University of Rochester.

 

 Interactions of cations with proteins - Summer and Fall 2005

     - Florence Shu - chemistry major.

 

 Conformational transitions of BSA in the presence of Cd-u.p.d. and nitrate ions

    studied using Electrochemical Quartz Crystal Nanobalance

- Magdalena Stobiecka, visiting student from Warminsko-Mazurski University in Olsztyn, Poland, Fall 2004; presentations at International Society of Electrochemistry Meetings in Thessaloniki, Greece, 2004 and in Busan, Korea, 2005;

  coauthor of paper published in: Electrochimica Acta, 50 (2005) 4873-4887,

  coauthor of paper published in: Bioelectrochemistry, 70 (2007) 155-164. 

Dr. Stobiecka is now a Research Associate in Polish Academy of Sciences, Olsztyn, Poland.

 

 Interactions of adsorbed albumin with metal ions and surface active agents

- Indeewari Dela, chemistry major, presentation at the International Symp. on Bioelectrochemistry in Coimbra, Portugal, May 2005;

  coauthor of paper published in Bioelectrochemistry, 70 (2007) 155-164.

 

Nanoporous TiO2

for solar energy conversion and direct methanol fuel cells

 


Degradation of dye pollutants

Electron density surface

with  map of highest Occupied Molecular Orbitals (HOMO) for dye pollutant Remazol Blue Black.  Decomposition of pollutants studied by photo-electrocatalytic method using TiO2, WO3, and MoO3 semiconductor electrodes

Quantum Conductance Monatomic Nanobridge Devices

studied using conductanc spectroscopy and AFM/STM

 

The AFM/STM instrumentation has been funded by the NSF CCLI program, Award No. 0126402.

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