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


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Raman Imaging and Spectroscopy Lab

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

Atomic Force Microscopy Lab

AFM operation

Tip interactions

Lectures to other Departments

Nanotechnology Lab


Quartz Crystal Nanobalance Lab

EQCN Principles

EQCN Setup




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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Professor Maria Hepel


SUNY-Related Public Service

Department of Chemistry

Stowell Hall

44 Pierrepont Ave.

Potsdam , NY 13676, U.S.A.

Tel.: +1.315.267.2267

Fax: +1.315.267.3170


Raman Spectroscopy Demonstrations

Lectures and hand-on demonstratins of Raman microscopy and surface-enhanced Resonance Raman spectroscopy (SERS) for students of:

  • chemistry (physical chemistry classes)

  • biology

  • physics


AFM  Demonstrations

Lectures on Atomic Force Microscopy and Scanning Tunneling Microscopy with equipment demonstrations presenting several different experiments for the following courses:

   PHYS-306  Modern Physics

   PHYS-360  Advanced Physics

   GEOL-421  Environmental Geology

   BIOL-483   Current Topics

   BIOL-320   Microbiology


Demonstrations for High School Students

Presentations of Atomic Force Microscopy, Scanning Tunneling Microscopy, Electrochemical Quartz Crystal Nanogravimetry, now including also Raman spectroscopy, with equipment demonstrations performed on:

   High School Science Day - every year since 2003


Atomic Absorption Demonstrations

Demonstrations of experiment Analysis of Chromium by Atomic Absorption for the course:

   GEOL-421   Environmental Geology


Gas Chromatography Demonstrations

Demonstration of experiment Gas Chromatography for Geology Department


Teaching Effectiveness Committee

Member of Teaching Effectiveness Committee of the Associated Colleges of the St. Lawrence Valley.


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


AFM Image of Collagen:

 Fiber with 80 nm Diameter

sample prepared in collaboration with Biology Department

RESEARCH               TEACHING                     STUDENTS                     PRESENTATIONS