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December 12, 2011

Lecture 39 - Review- Dec 14

Slides from previous lectures that may be used on Dec 14.Lecture39-111214.pdf

If possible, have specific questions about these slides. This will help focus the discussion and address the most important issues.

This is the complete list of topics that will be covered in the final exam. We will review topics that have higher priority for most of the class.
Lecture 39-Chem4101.pdf

December 5, 2011

Lecture 39? - Survey on potential topics to cover on Dec 14

If we have a lecture on Dec 14, we will review some of the topics that will be included in the final. The list is Survey-last-lecture-Chem4101.pdf. Please mark your priorities in a hard copy and bring it to class on Dec 12. We will announce the topics that will be covered later that evening.

The list of topics was prepared based on:

1. Questions that gave difficulty during midterm exams and quizzes
2. Lecture notes that were not evaluated in previous exams.
3. Poster presentations that will be selected on Friday Dec 9, 2011
4. Other topics that were not covered in class but could be of interest to those taking the course. See book chapters for suggesting these topics.


Lecture 36 - Poster Presentation Practices

Please read and prepare for Wednesday Dec 7 ahead of time. Bring your printed posters (black and white are fine for this practice).

Lecture36-111207-Poster-Practice.pdf

November 29, 2011

Lecture 38 - More Voltammetry (Prior lecture 34)

This lecture was renumbered from Lecture 34 to Lecture 38. If you already printed the notes for Lecture 34, you do not need to print them again.Lecture38-111215.pdf

Lecture 33 - Linear Voltammetry

Lecture33-111130.pdf

November 23, 2011

Lecture 32 - Electroanalytical, Introduction

Lecture32-111128-Electoanal-intro.pdf

November 18, 2011

Lecture 31 - Poster Preparation

Prior to Monday class

1. Identify your assignments by looking at this file.
Lecture31-111121-Poster-lecture.pdf

You may also wish to download a copy of the example poster that Edgar and Chad will critique.Chem4101-Poster-critiquing.pdf

2. Read the list of DO's and DON'Ts published by Block in Biophysical Journal, 1996, 71, 3527-3529. Temporary pdf file: Block-1996-How to do a poster presentation.pdf

Another useful reference by Huddle is found in the Journal of Chemical Education, 77(9), 1152 (2000).Temporary file:Huddle-2000-How to prep a talk or poster.pdf

3. Re-read the "Guidelines to prepare your analytical problem" posted in the blog at the beginning of the semester. Pay particular attention to items 5, 6, and 7.Defining and solving analytical chemistry problems-2011.pdf

3. Get familiar with the poster that you will critique on Monday. Based on your table assignment, choose one of the options below.

Table 1- Cupper in waste water.pdf

Table 2-Humulene in beer.pdf

Table 3-Growth Hormone in Milk.pdf

Table 4-Rape drugs in bar drinks.pdf

Table 5-Isobotulene in soil vapors.pdf


November 15, 2011

Lecture 20 - cIEF, CGE, recent developments

Professor Bowser may want to use some of this material on Wednesday class.

Lecture30-111118.pdf

Links to articles used in the lecture notes include:

CE using sieving matrices: Anal. Chem. 1992, 64, 2665.

CE on a chip: Anal. Chem. 2001, 73, 1207.

Multiplex array CE: Anal. Chem. 1994, 66, 1424.

CE-MS : J. Chrom. B. 2009, 877, 1963.

CE-SELEX: Anal. Chem. 2005, 77, 6107.

Particle CE: Electrophoresis. 2002, 23, 2040.

Temporary files have been removed. Use links above.


November 14, 2011

Lecture 29 - CZE & MEKC

Lecture29-111116.pdf

Other relevant references are:
J. Chrom. A, 1991, 546, 445

TRAC-Trends Anal. Chem., 1989, 8, 129

November 11, 2011

Lecture 28 - Capillary electrophoresis - Introduction

Lecture28-111114.pdf

November 8, 2011

Lecture 27 - Technique selection - individual presentations

Lecture27-111111-Technique-selection.pdf

Everybody will need to prepare a one minute presentation. You will need to fill up the table found in the lecture notes and create a new blog comment.

If you wish to use a power point presentation, let me know ahead of time. Also bring your laptop and your VGA adaptor.

Lecture 26 - Recent chromatography developments

Lecture26-111109.pdf


References

Chiral chromatography: Hühnerfuss and Shah, J. Chrom. A, 1216 (2009) 481-502.

GC x GC: Mitrevski et al., Anal. Bioanal. Chem. (2011) 401:2361-2371

LC x LC: Kivilompolo et al., LC•GC Europe, May 2011, 232-243

Microfluidics: Li et al., Anal. Chem., 2011, 83, 7863-7869

November 3, 2011

Lecture 25 - Ion-exchange, size-exclusion, affinity chrom.

Lecture25-111107.pdf

October 31, 2011

Lecture 24 - Normal and Reverse Phase Chromatography, Part 2

Lecture24-111102.pdf

October 28, 2011

Lecture 23 - Normal and Reverse Phase Chromatography

We will use these notes on Monday October 31

Lecture23-111030.pdf

October 27, 2011

Lecture 22 - Gas Chromatography

We will likely start with these lecture notes on Friday Oct 28.

Lecture22-111028.pdf

October 24, 2011

Lecture 21 - Chromatography-Definitions

This set of lecture notes have a large number of suggested exercises. Make sure that you allocate sufficient time to work on them prior to exam 2.

Lecture21-111026.pdf

October 20, 2011

Lecture 20 - Mass Spectrometry-Applications

These are the lecture notes for October 24. Please note that there are table assignments.

Lecture20-111024.pdf

Lecture 19 - Mass Spectrometry-II

Lecture19-111021.pdf

Lecture notes for Friday October 21

October 17, 2011

Lecture 18 - Mass Spectrometry-I

Lecture notes of Wed Oct 19.
Lecture18-111019.pdf

October 13, 2011

Lecture 17 - Atomic Absorption Spectrometry - II

These are the lecture notes for Monday October 17.

Lecture17-111017-AAS-instr.pdf

Lecture 16 - Atomic Absorption Spectrometry

These are the lecture notes for Friday October 14. Please note that I have corrected the lecture # in the slides (October 14, 10:36). Everything else is the same.

Lecture16-111014.pdf

October 11, 2011

Lecture 15 - Fluorescence, Part II

Lecture15-101012-fluorescence-II.pdf

October 8, 2011

Lecture 14 - Fluorescence

Lecture14-111010-fluorescence.pdf

The lecture notes mention a paper by Lasser-Ross et al, J. Neurophysiol, 1992, 68, 1167. In the next exam, there may be bonus points based on the methods section of this paper. Read the paper if interested.

September 30, 2011

Lecture 13 - Analytical Problem Presentations

Please let me know by Monday (Sep 3) evening if you plan to use a power point slide.

Dowload this file and use it to keep notes on other presentations.
Lecture13-111005-Analytical problem presentations.pdf

September 27, 2011

Lecture 11 - Digital signals & noise

Lecture11-110930-noise.pdf

Lecture 10 - Active Components

Lecture10-110928-active components.pdf

September 24, 2011

Lecture 9 - AC and filters

Lecture09-110926-LP&PH-filters.pdf

September 21, 2011

Lecture 8 - Electrical domains I

Lecture08-110923-electrical domains-I.pdf

Inventing New Methods -C&E article

Here is the link to the article that I mentioned in class today (Sep 21, 2011). Celia Arnaud, "Diagnostic Device Heads to the Field", Chemical and Engineering News, 39, August 29, 2011, page39.

The main points to stress are:
1. Solving an an analytical problem may involved developing new methods and instruments. This article mentions a great example of how to do so with limited resources.

2. How will you use the library resources to find more information about this topic (assuming that you read the hard copy)? Make sure that you have a plan on how you would proceed.

3. Detection is based on optical properties (opacity), which is different but highly relevant to instrumentation used for UV-VIS absorption.

Feel free to think outside the box when investigating your analytical problem and use creative ideas as the one described in this article.

September 19, 2011

Lecture 7 - Selectors & Detectors

Lecture07-110921-selectors-detectors.pdf

September 15, 2011

Lecture 6 - Light sources

Lecture06-110919-Sources.pdf

September 13, 2011

Lecture 5 - Library Lecture

Day: Friday, September 16, 2011

Time: 9:05 AM

Place: Walter 310

Visit this web site prior to the lecture: https://www.lib.umn.edu/course/CHEM/4101

Lecture 4 - UV-Vis Absorption, Part II

Lecture04-110914-UV-VIS.pdf

September 10, 2011

Lecture 3 - UV-Vis Absorption, Part I

See slide 2. Some basic information of your analyte and/or matrix will be needed to participate in class.

Lecture03-110912-UV-VIS.pdf

Correction:
The wavelength or frequency of a band in an absorption spectrum is associated with the difference between to energy states. See equation 6-20 in page 147.

September 8, 2011

Lecture 2 - Figures of Merit

Lecture02-100909-Figures of merit.pdf

August 30, 2011

Lecture 1-Introduction

Lecture01-110907-Intro.pdf