Download - Biology 402 Senior Seminar Spring 2006. A Comparison of Bacterial Reduction between Antiseptics
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Biology 402Senior Seminar
Spring 2006
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A Comparison of Bacterial Reduction between
Antiseptics
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Studying E. coli strain DHα5
Senior Thesis
Minh Nguyen
Dr. Hartman, Dr. Olney
Saint Martin’s University
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Results Of Disinfectant Sprays After 48 Hour Incubation
Clorox Spray Lysol Spray
Safeway Spray Water
Beth Layton
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Methods General Daily Routine• Workout Location: Tae Kwon
Do Academy in Puyallup WA.
• Subjects: 14 total volunteers.
• Workout duration: 60 minutes for a 5 day period.
• Hydration: First week-water consumption and the second week, Gatorade consumption.•
• Participants are required to consumed the given beverage.
• Then be weighed • Workout for a 60 minute
period. • At the end of the class, weigh
once more.• Difference in weight will
determine sweat loss.
Kyle Samples
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Comparing Black bear damage on conifer trees in Washington
State Capitol Forest
By:Brad Beerbower
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Methods
Separate fish randomly in to 3 tanks (each tank with 20 fish)↓
Let fish acclimate to new tank for one day ↓
Weigh food before feeding to the fish. ↓
1 g Feed every 12 hrs for 5 consecutive days↓
Clean the tanks every 24 hrs before feeding them again.↓
Collect unnecessary food and fecal material.
Ruby Lopez
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FLESH FLY(Sarcophaga sp.)
• Carrion-feeding flies
• Approx. 2600 known species
• Worldwide
• Decomposition
• Forensics Science – Time of death
http://www.uknature.co.uk/FleshFly-info.htmlSothear Sam
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Hypothesis• Those with acrylic nails
will harbor more bacteria underneath their nails than females with native nails (unwashed and washed).
• Image references:http://phuket-beautymassage.com/nailpics.html
http://www.brazilnaturalnails.com/news.html
Pelenita Tuupo
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An Investigation of the Amounts of Bacteria on Employees’ HandsSample• 50 total participants
– 40 grocery store employees
– 10 Saint Martin’s students
Occupations• Cashier• Produce/Bakery Clerk• Deli Clerk
• Meat/Seafood Clerk
• Student
Katie Illes
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Oral Bacteria
http://www.stchas.edu/faculty/zfitzgerald/lactobacillus.jpg http://www.dokidoki.ne.jp/home2/saishika/mutans1L.jpg
Lactobacillus Streptococcus mutans
•Reside in oral flora
•Adhere to Enamel and Ingest Sugars
•Cause plaque
•Initiate cavitiesChris Leyster
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Components of Study
ToothpasteStreptococcus mutans Lactobacillus
Total
24 Hours 72 Hours 24 Hours 72 Hours
Aquafresh 8 8 8 8 32
Arm n’ Hammer 8 8 8 8 32
Crest 8 8 8 8 32
Colgate 8 8 8 8 32
Toms 8 8 8 8 32
Control (Water) 4 4 4 4 16
Total 44 44 44 44 176
Chris Leyster
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24 Hour Zones of Inhibition on Lactobacillus
0
5
10
15
20
25
30
crest colgate aquafresh toms arm nhammer
Toothpastes
mm
Chris Leyster
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Research Goal
The goal of this project was to ascertain the anti-microbial
power of common varieties of chewing gum. The two varieties tested were Orbit (cinnamon)
that is distributed by Wrigley Co. and Trident (original).
Carter Richards
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ResultsFigure 1- Breakfast eaters vs. non-breakfast eaters in a sample of 20 college students. Mean differences between both testing days are
shown in this figure.
30%
50%
70%
90%
1 3 5 7 9 11 13 15 17 19
Student Number
Te
st
Pe
rce
nta
ge
Breakfast No breakfast
Rachael Schroll
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Correlation of Coarse Woody Debris
Biomass and Tree Species Diversity within Coniferous
Forests of Western Washington
Rachel Wehr
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COARSE WOODY DEBRIS: LOGS
Rachel Wehr
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CORRELATION ANALYSIS
0
50
100
150
200
250
0 0.5 1 1.5
diversity index
CW
D b
iom
ass
young forest
mature forest
old growth forest
Correlation coefficients
Young r = -0.207 , P = 0.793
Mature r = -0.628 , P = 0.372
Old Growth r = 0.295 , P = 0.705Rachel Wehr
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Oral hygiene habits and oral bacterial populations
A comparison of Lactobacillus and Streptococcus bacteria
Travis Ochsner
4/21/2006
Senior Seminar
Dr. Olney
Dr. Hartman
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Hypothesis
• Excessive oral hygiene habits will decrease populations of Lactobacillus bacteria (Tomato juice broth pH 4) more drastically than Streptococcus bacteria (Brain-Heart infusion {BHI} broth pH 6.5).
• Factors- hygiene, bacterial growth, and interaction.
Travis Ochsner
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Senior Seminar Project
Chagas Disease
Sara Trejo
Dr. Margaret Olney and Dr. Mary Jo Hartman
Saint Martin’s University 2006
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Hypothesis Statement• Polymerase Chain Reaction (PCR) can be developed for use as a
specific and sensitive diagnostic tool for Chagas Disease.
• First step towards development is the evaluation of PCR primer sets for specificity and sensitivity.
Sara Trejo
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CHPPM-West, Fort Lewis.Jose Avila
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Comparison of bacterial growth in the oral cavity between
tobacco consumers and non–tobacco usersKrystle Antolin
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Range of Motion
• Range of Motion (ROM) is the complete movement of the joint through flexion and extension.
• Normal ROM: extension, 0 degrees and flexion is 135 degrees.
Courtney Rogers
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Materials• Active Ankles
brace:
http://www.wisdomking.com/product55238.html
http://www.activeankle.com/
• Lace-up Ankle brace:
Goniometer:Goniometer: http://www.orthobionics.com/ankle/pages/laceup_ankle.htm
Randi-Lee Rezents
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Foot Care : A Study Examining The Occurrence of Corns & Calluses in
Males and Females
By Ann Marie McCanickSenior Seminar
May 3, 2006Dr. Hartman & Dr.
Olney