'Low ph' diaporamas de présentation

Antimicrobial Drugs

Antimicrobial Drugs. Classification of Antibiotics by Mechanism of Action. Inhibition of cell wall synthesis Beta-lactam drugs Penicillins Cephalosporins Carbapenems The others Cycloserine Vancomycin bacitracin. Classification of Antibiotics by Mechanism of Action.

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Ca, Mg and S in Soil

Ca, Mg and S in Soil. Form , Source and function in Plant. Secondary Nutrient Form. 1. Essential Nutrietns of Plants. Chemical Atomic Ionic forms A pproximate dry Element symbol weight Absorbed by plants ____ concentration _____ Mccronutrients

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Acid/Base Balances

Acid/Base Balances. By: Diana Blum MSN MCC NURS 2140. Acid /Base Balance. Acid base balance is the regulation of free hydrogen ions in extra-cellular fluid. Acids: dissociate in solution to release H+. Bases: combine with free H+ and remove it from solution. Homeostasis.

792 views • 58 slides

Aquatic Toxicology of Metals

Aquatic Systems & Environmental Health. Aquatic Toxicology of Metals. David Barber barberd@vetmed.ufl.edu 392-2243 x.5540. Objectives. Understand how metals differ from organic compounds including their source and fate Appreciate that water chemistry can impact toxicity

1.03k views • 38 slides

TEMPERATURE

Water Quality Factors. TEMPERATURE. TURBIDITY. DISSOLVED OXYGEN (DO). PHOSPHATES. BIO- INDICATORS. pH. NITROGEN. TEMPERATURE. EFFECTS: changes rate of photosynthesis changes rate of respiration changes DO in water cold water holds more DO hot water holds less DO

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Dent Disease

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Microbiology 532: Immunology

Microbiology 532: Immunology. Dennis E. Lopatin, Ph.D. Dept. of Biologic and Materials Sciences 4209 Dental Building Office Hours by Appointment Phone: 647-3912 Electronic mail: lopatin@umich.edu. Helpful Hints. Readings in text are beneficial

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Slide 1 What is pH?

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Teachable Tidbit L earning Outcomes Define acids, bases in biosystems

Teachable Tidbit L earning Outcomes Define acids, bases in biosystems Predict charge of molecule @ particular pH based on its pKa Interpret graph of the above relationship

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Oral Flora II

Oral Flora II. Karen Ross 2007. Identification of Oral Microorganisms 16S DNA based detection. Use 2 oligo-nucleotide primers universal to ALL bacteria 16S rDNA, PCR amplification of the total saliva or plaque DNA pool, clone the PCR product and sequence.

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Solubility of metal hydroxides, and amphoteric behavior.

Solubility of metal hydroxides, and amphoteric behavior. K so = [Fe 3+ ] [OH - ] 3 = 10 -39. pH = 6.4. Fe(OH) 3 ( s ) precipitate. [ Fe 3+ ] = 10 -16 M. Solubilities of metal hydroxides.

2.03k views • 11 slides

Denaturation of Proteins

Denaturation of Proteins. What is Denaturation?. When the unique 3-D structure of proteins is destroyed. It leads to temporary or permanent loss of activity. When and How are Proteins Denatured?. At Very High or Low pH. At Very High Temperatures. By Heavy Metal Ions.

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Put the following table and problem below on a piece of paper

TODAY. Put the following table and problem below on a piece of paper Predict a pH level for each substance pH Lab. Problem : How acidic or basic are common household substances?. TODAY. BELL RINGER. What is an acid? ( A) a compound that releases a hydrogen ion in water

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FishKill Project

FishKill Project By: Christian Pearson Lee, Candie Amezquita, Kailee Candie, Raymond Hayes. Quote by NTJ.

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Chemistry Acids and Bases pH, pOH

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pH and Titration

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Relative concentration of H + ions in water HOH ? H + + OH -

pH. ------- -1 ------- ------- 0 ------- ------- 1 ------- ------- 2 ------- ------- 3 ------- ------- 4 ------- ------- 5 ------- ------- 6 ------- ------- 7 ------- ------- 8 ------- ------- 9 ------- ------- 10 -------

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Artemia spp. growth experimental setup - pH

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Acids Contains H + Ions Neutralises Bases Tastes Sour Low pH Bases Contains OH - Neutralises Acids Tastes Bitter & Feels Soapy Has high pH . Ions Positive (+) = lost electrons Negative (-) = Gained electrons number of protons and neutrons don't change

260 views • 1 slides