solution serves as a cross linking agent for PVA generating a new polymeric structure. Na2B4O7 hydrolyzes in solution to generate B(OH)4-. This reacts with the –OH groups on PVA to generate a structure” ("Slime – Polyvinyl Alcohol with Borax"). Figure 2: PVA and Borax reacting together ("Slime – Polyvinyl Alcohol with Borax") Since many natural resources are becoming scarce and the earth is continuously getting polluted with non-biodegradable substances‚ it is important to create safe alternatives
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SCOPE OF MICROBIOLOGY: What is Microbiology? | � Microbiology is the study of microorganisms� Microorganisms‚ roughly‚ are living things that are too small to be seen with the naked eye� Microorganisms cannot be distinguished phylogenetically from �macroorganisms� (see variety of microorganisms‚ below)� Microbiology is more a collection of techniques: aseptic technique‚ pure culture technique‚ microscopic observation of whole organisms‚ etc.� Microbiologists
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FOOD AND INDUSTRIAL MICROBIOLOGY Food spoilage‚ food infections and intoxications caused by microorganisms and methods for their detection Dr. Neeraj Dilbaghi Reader‚ Department of Bio & Nano Technology Guru Jambheshwar University of Science and Technology Hisar- 125001 and Dr (Mrs.) S. Sharma Professor‚ Department of Microbiology‚ CCS Haryana Agricultural University‚ Hisar- 125001 (Revised 25-Sep-2007) CONTENTS Introduction Food Spoilage and General Principles Underlying Spoilage of Food Intrinsic
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Are school lunches actually healthy? Don’t you think that school lunches should start providing healthy lunches? You will not like to be surprised by a hair or something disgusting in your food. Is there’s times that when you eat school lunches and you’re waiting in line you see the food and think are these school lunches actually healthy? In the past 10 years schools actually provided unhealthy school lunches. The school lunches contain about the same amount of fat as a happy meal at McDonalds’
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Glow in the Dark Slime It only takes one more ingredient to turn normal slime into glowing slime. This is a great Halloween project‚ though it’s fun for any time of the year. Glowing slime is safe for kids to make. Difficulty: Easy Time Required: about 15 minutes Here’s How: 1. Basically‚ you make glowing slime by adding zinc sulfide or glowing paint to normal slime. I have a lot ofslime recipes listed. As written‚ these instructions make a clear slime that glows in the
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The characteristic properties of slime can be explained by polymerisation reactions. Polymers can be explained most simply by the polymerisation of the molecule ethylene into polyethylene (see figure 1 below). Figure 1. Polymerisation of polyethylene from ethylene. In this example‚ the double bond between the carbon atoms is broken‚ allowing each carbon atom to form one more bond between another molecule. The double bond between the carbon atoms is weaker because the type of orbital is ‚ compared
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Bio 101 Chapter 1 Diversity of Life 3 Domains / 6 Kingdoms Archaea / Archaea Bacteria / Bacteria Eukarya / Protista‚ Plantae‚ Fungi‚ Animalia Kingdom Archaea: Prokaryotes; Ancient Bacteria Kingdom Bacteria: Prokaryotes; Common Bacteria Kingdom Protista Eukaryotes; Unicellular organisms (small) Algae (unicellular‚ colonial‚ small or multicellular‚ Large) Kingdom Fungi Eukaryotes; Non-photosynthetic‚ multicellular (except yeast)‚ External
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groups: a. methanogens (produce methane) b. extreme thermophiles (hot sulfurous water) c. extreme halophiles (very salty environments) b. Eukaryotes i. Fungi 1. Multi- or Uni-cellular (yeasts) 2. Cell walls mostly chitin 3. Typical fungi = molds a. Form mycelia‚ composted of hyphae 4. Reproduce sexually or asexually ii.
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would be oil and fats. Part 1: Making Slime 2. What kind of chemical bond formed between borate and the guar gum? I would say a Covalent Bond because it deals with the polar and non-polar substances. 3. Describe the physical characteristics of the slime using one to two complete sentences. The slime was yellowish‚ looked like Jello and had a thick like surface. Part 2: Slime and Putty Ink Tests 4. Select all of the ink types that were attracted to the slime: Newsprint ✔ Highlighter ✔ Roller ball
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include French fries‚ fried fish filet sandwiches and fried chicken‚ for example. 7 Slime Soft drink Now‚ you’ve heard all about the pink slime‚ and‚ thankfully‚ it’s not something many of the restaurants use anymore to preserve their meats. But‚ that’s not the only slime you may find at these fast food joints. In fact‚ a few fast food restaurants in Wrigley Field were shut down because they had black slime on their ice machines! Before you take a slurp of that diet Coke‚ make sure you aren’t
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