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Assistant Chemical

Location:
Milwaukee, WI
Posted:
April 06, 2015

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Resume:

Joshua Walker

**** * **** ***, ********* WI *****

(C) 601-***-**** (E) **************@*****.***

Experience

Sigma Aldrich Chemical Sheboygan Falls, WI

Quality Control Chemist

Responsible for the preparation and evaluation of chemical combinations for all phases of

manufacturing, production and R&D processes. Principal task of determining the efficacy

of each product/chemical batch documenting results. Often responsible for minor

equipment and instrumentation t roubleshooting and repair. Duties include the safe

handling of hazardous materials. E xperience in the areas of GC, GC-MS 2 years

01/2013 - Current experience in IR,KF and NMR. Hands on-hands experience with method development

working with the devo, lab and production groups improving techniques and assays.

Developing products for customers and stability studies are also part of my current focus.

Method and instrumentation validation.

University Of Wisconsin-Milwaukee Milwaukee, WI

08/2008 - 12/2012

Graduate

Researcher

Conducted research and analysis in the areas of

Surface Science, Catalysis and

Physical Chemistry. Specific research experiments

on several metal surfaces including Pd(100),

Pd(111), Cu(111), Au(111), AuPd(100) alloys, Cu

foil, and Aluminum.

Teaching Assistant

Prepared and taught undergraduate General

Chemistry 102 and 105 Chemistry for Engineering

students 105. Facilitated discussions and

laboratories.

University Of California-Santa Barbara Santa Barbara, CA

06/2006 - 08/2007

Material

Science/Chemical

Engineering Intern

Research conducted included observing the

dissolution of quartz in the presence of

Muscovite Mica: SFA Technique while studying

organic stylolite formations using an

Scanning Electron Microscope. As a separate

project studied the properties of

Thermal Barrier Coatings for aircraft engine

blades to decrease Calcium Magnesium

Aluminum Silicate (CMAS) infilt ration which leads

to degradation and wear.

01/2005 -

Jackson State University Jackson, MS

05/2007

Undergraduate Researcher

Research conducted in the area of Physical Chemistry, which included the preparation of

A u and Ag nanoparticles to probe for the detection of Bio-agents, DNA and Heavy metals using Fluorescence Resonance Energy Transfer (FRET).

Chemical Laboratory Assistant

Organized Chemistry Laboratories, prepared

chemicals and distributed laboratory equipment to faculty and

students.

Education

University Of Wisconsin-Milwaukee, Milwaukee, WI, USA

2012

M.S.

Chemistry

2008 Jackson State University, Jackson, MS, USA

B.S. Chemistry

Areas of Expertise

Analysis and Identification of impurities within materials.

Handling and Analyzing Hazardous waste

Chemical Mechanical Planarization (CMP) Polishing

GC, HPLC, NMR, FTIR, Mass Spec, ATR, SEM, AFM, Auger, Low Energy

Electron Diffraction

Electron beam physical vapor deposition (Thermal Barrier Coatings)

Ultra-High Vacuum Science

Coatings, Metal alloys

Ozonolysis

Cryogenics, Pyrophorics

Instrumentation and equipment calibration

GMP, SOP, ISO and method validation.

Publications 1. Gold Nanoparticle Based FRET for DNA Detection, P C Ray, G K Darbha,

A Ray, J. Walker,

Hardy and A Perryman, Plasmonics, 2007, 2, 1730183.

2. Gold Nanoparticle Based FRET P robe for Multiplexed Hybridization Detection:

Accurate identification of Bio-agents D NA . Paresh C Ray, Gopala K Darbha, Anandhi Ray,

William Hardy and Joshua Walker, Nanotechnology, 2007, 18, 375504.

3. The Surface Chemistry of Dimethyl Disulfide on Copper . Octavio J. Furlong, Brendan P.

M iller, Zhenjun Li, Joshua Walker, Luke Burkholder, Wilfred T. Tysoe L angmui r, 2010, 26 (21),

pp 16375–16380.

4. Structure of the Au/Pd(100) Alloy Surface. Michael Garvey, Jorge A. Boscoboinik, Luke

Burkholder, Joshua Walker, Craig Plaisance, Matthew Neurock, and Wilfred T. Tysoe J . Phys.

Chem . C, 2012, 116 (7), pp 4692–4697.

5. The analysis of 1-3 P D I on Au(111) surface . Joshua Walker, John Kestell, Rasha Abuflaha, Yun Bai, Wilfred T. Tysoe (In preparation)

6. Mechanism for Water Assisted CO Oxidation on Au(111). Joshua Walker, W ilfred T. Tysoe

( In preparation)

7. Structure and Chemistry of Model Catalyst in Ultrahigh Vacuum. (Thesis) Joshua Walker

Professional American Chemical Society Member

Affiliations Surface Science Network

JSU Alumni Association

NOBBCHE



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