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 Falcon 1058 Petri Dish w/ Lid 150 x 15mm NEW, Lot 160, 16 packages of 10 US $89.00 
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 Sterile Polystyrene Petri Dish Plate 100x15 mm ##20pk## US $5.91
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 Petri Dish Clear Glass Culture Tissue 100mm US $3.26
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 Petri Dish Clear Glass Culture Tissue 100mm (Set of 10) US $29.96
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 Sterile Polystyrene Petri Dish Plate 60x15 mm ##20pk## US $2.54
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 VWR Sterile Petri Dishes (100x10mm) Box of 630 US $375.00
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 Fisherbrand Plastic Sterile Petri Dish Dishes 85x15mm 100 each US $24.95
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 LOT OF 24 CLEAR PLASTIC PETRI DISHES SCIENCE LAB EXPERIMENT SCIENCE FAIR ART US $9.25
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 Fisherbrand Plastic Sterile Petri Dish Dishes 100x15mm 500/cs Free Shipping US $120.00
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 Fisher Plastic Sterile Petri Dish Dishes 100x15mm 25/PK US $6.50
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 Sterile Petri Dish (90x15mm), Pack of 10 US $8.99
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 New 100 X 15mm Petri Dish, PS, Sterile, 25/BAG, 100/PK US $13.99
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 New 100 X 15mm Petri Dish, PS, Sterile, 25/BAG, 500/CS US $45.99
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 NOS 500 Millipore Petri Dish Dishes 47mm PD1004705 US $34.50
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 Sterile Polystyrene Petri Dishes 90x15mm Pack of 10 with lids US $1.90
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 PETRI DISH BY VWR 20 TO A SLEEVE SIZE 150X15 MM CAT. NO.25384-326 US $3.99
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 SPIRAL SYSTEMS CASBA 4 LASER PETRI DISH COLONY COUNTER US $750.00
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 "PETRI DISHES" POLYSTYRENE DISPOSABLE US $11.00
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 Becton Dickinson BD 210340 RODAC Petri Dish qty. 300 US $100.35
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 LOT OF (20) NEW STERILE PLASTIC PETRI DISHES 100x15mm US $13.95
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 5 glass tissue culture plate petri dish lab 60 mm New US $9.29
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 VWR International Polystyrene Disposable 60 x 15mm Petri Dishes 25384-062 Qty 20 US $9.99
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 VWR PETRI DISH,100X15MM 25384-070 US $10.00
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 Lot of 500 VWR 25384-342 Polystyrene Disposable Petri Dish Sterilized 100x15mm * US $127.99
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 New Plastic Falcon No. 1029 Petri Dish 100 X 15mm US $3.25
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 Glass Petri Dish-10 pieces-90 mm diameter-Lab Glass US $37.95
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 NEW 40 each VWR Polystyrene Disposable Petri Dish, 100 x 15mm dishes US $7.99
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 NEW 80 each LUX Polystyrene Disposable Petri Dish, 60 x 15mm dishes US $7.99
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 VWR Polystyrene Disposable Pack of 20 Petri Dishes US $9.99
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 2 Glass tissue culture plate petri dish lab 150 mm New US $3.99
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 PETRI DISH, 100 POLYSTYRENE, 150 X 15MM US $25.00
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 Nutrient Agar Pre-poured Petri Dishes Science Project US $19.95
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 Plexiglass Petri Dish Rack - 6 Row Holder Incubator US $48.95
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 NEW Nalge Nunc Petri Dish Rack, NALGENE 5921-0060 US $100.00
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 Lot of 10 150 x 15mm Falcon 1058 Tissue Petri Culture Dishes in sterile sleeve US $24.95
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 Lot of 20 60mm Falcon Tissue Petri Culture Dishes US $7.95
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 Sleeve of 20 Falcon Petri Dishes Sterile 60x15 mm B% US $8.82
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 VWR PETRI DISH,100X15MM 252384208 US $10.00
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 A large Lot of Plasticware, Tubes and Petri Dishes US $9.99
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 Fisherbrand Disposable Petri Dishes 08-757-14G (25PKG) US $9.99
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 3 Glass tissue culture plate petri dish lab 70 mm New US $12.99
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 Bulk Lot 3 1/2" Acrylic Petri Dish With Lids 20/Bundle US $8.00
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 25 Fisherbrand Sterile Polystryrene Petri Dishes Dish 100x15 with clear lids US $6.45
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 LAB EQUIPMENT - GLASS PETRI DISHES 100 X 15MM - 120dC US $3.56
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 Student Nutrient Agar Kit Petri Dishes Culture Bacteria US $10.95
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 5 Corning Petri Cell Culture Dish 150x25mm Sterile Treated Non-Pyrogenic 430599 US $19.99
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 Fisherbrand Plastic Sterile Petri Dish Dishes 150x15mm 10/PK US $9.95
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 Glass tissue culture plate petri dish lab 60 mm New 3 of the items in the pictu US $6.99
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 Labware petri dish dishes contact plate 65 x 15 mm grid US $57.00
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 100 Falcon Optilux Petri Dish 100x20 mm Sterile 351005 Polystyrene US $69.99
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 Reichert Microscope With Petri Dish Heating Stage US $300.00
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 PETRI CULTURE DISH 60 mm / 2.5" US $3.05
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 PETRI CULTURE DISH SET (5 SIZES) US $24.75
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 Sterile Polystyrene Petri Dish Plate 100x15 mm 500 /cs US $51.45
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 Fisherbrand Plastic Sterile Petri Dish Dishes 150x15mm 100/cs US $95.00
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 Sterile Polystyrene Petri Dishes 90x15mm Pack of 10 US $3.00
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 3 Glass tissue culture plate petri dish lab 50 mm New US $7.99
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 3 Glass tissue culture plate petri dish lab 40 mm New US $7.50
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 Glass tissue culture plate petri dish lab 90 mm New US $2.99
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 Glass tissue culture plate petri dish lab 100 mm New US $3.50
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 Glass tissue culture plate petri dish lab 120 mm New US $3.99
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 Fisherbrand Plastic Sterile Petri Dish Dishes 85x15mm 500/cs Free Shipping US $110.00
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 Petri Dishes 90mm Dia in packs of 20 Brand New US $5.14
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 Borosilicate Glass Petri Dishes: 90 mm: Pack of 10 US $49.95
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 Flint Glass Petri Dish: 75mm Diameter: Each with Cover US $3.25
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 Flint Glass Petri Dish: 100mm Diameter: Each with Cover US $3.50
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 Flint Glass Petri Dish: 60mm Diameter: Each with Cover US $2.99
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 Borosilicate Glass Petri Dish: 90 mm Diameter: Each with Cover US $5.49
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 Flint Glass Petri Dishes: 100mm Diameter: Pack of 10 US $34.95
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 Borosilicate Glass Petri Dishes: 100 mm: Pack of 10 US $51.50
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 Flint Glass Petri Dishes: 75mm Diameter: Pack of 10 US $21.75
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 Plastic Sterile Petri Dish Nonvented Dishes 20pk 60 x15 US $3.95
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 Plastic Sterile Petri Dish Vented Dishes 20 Pack 60 x15 US $3.95
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 Plastic Petri Dishes: 90 x 15mm 3 packs of 20 US $14.95
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 Plastic Sterile Petri Dishes 20 Pk 90x15 Vented Plates US $4.95
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 Pk/20 100 x 15MM Plastic Petri Dishes US $6.99
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 Plastic Petri Dishes: 90x15 case/500 Vented Polystyrene US $99.95
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 Case/500 100 x 15MM Plastic Petri Dishes US $119.95
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 Petri Dishes Case of 500 Plastic Sterile 60 x 15 Plates US $79.95
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 Plastic Petri Dishes: 90x15 case/500 Non-Vented US $99.95
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 Petri Dishes Case of 500 Plastic Sterile 60 x 15 Value US $79.95
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 Glass tissue culture plate petri dish lab 150 mm New US $4.99
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 LOT OF 6 PACKAGES OF 20 EACH FALCON 100MM X 15MM STERILE PETRI DISH US $29.99
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 10 Square Integrid Petri Dishes Falcon H 35 1112@ US $10.00
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Petri Dishes
Ferrofluid Magnets Are Fun To Use by Marie Winston
Ferrofluid consists of small magnetic iron fragments immersed in oil. The oil aids prevention of any clumping that may occur. The particle can be found in everyday items such as DVDs, CDs, sensors, radio speakers and so much more. Over time, ferrofluid may evaporate if it is not used. If it is kept in a sealed, air tight manner, its life will be prolonged and the fluid will be able to be used time and time again.
It is simple to make a magnet in only a few easy steps. If you purchase ferrofluid online, it can prove expensive. However, if you wish to make ferrofluid yourself, all you require is magnetic ink and oil. This does not have to be a specific kind of oil, just any oil you have in the home. Once you have mixed these two components together, the ink will turn soil and become magnetic. It is advisable to use a Petri dish to put the oil and ink together. The fluid will start to become denser as there is an increase in the strength of the magnetic field. Always put on a latex or plastic glove before moving your hand towards the ferrofluid. The ferrofluid will increase in firmness as you become close to the magnet.
Ferrofluid is not toxic or dangerous. However, young children should not be left to play with it. Ferrofluid should not be experimented with around expensive items in the home. Ensure that you wear old clothing when working with ferrofluid as new clothing may get ruined. This is because ferrofluid is difficult to wash off and may cause permanent stains to clothing or other types of materials. Ensure that you wear gloves plus eye protection like goggles. Use only disposal dishes in case they get damaged or broken.
Buying ferrofluid online can prove a costly affair. One small bottle can cost as much as $180 to purchase. If that proves too expensive for you, it is recommended that you make your own. Home made ferrofluid may not be as effective as store bought fluid but it will do the job adequately. The greatest recipe for making your own is to make use of iron-containing solutions; steel wool will not work for this purpose. Ensure that the area in which you are preparing the ferrofluid is adequately ventilated. Ferrofluid should ideally be prepared either outdoors or underneath a fume hood. Once you have created ferrofluid, you will wish that you had tried making it sooner. Home made ferrofluid is high performance ferrofluid which is amazing in nature. If you have not made ferrofluid before, there are many educational kits available for purchase. These kits will aid you in preparing the material in the correct manner.
About the Author
Visit Ferrofluid for more information or visit our blog at http://strong-rare-earth-magnets.com/the-fun-of-ferrofluid-magnets/.
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Laptop Wi-Fi could slow down a man's swimmers, study finds (Albuquerque Journal)
If you're trying to procreate, you may want to rethink how you use your
laptop.
(Credit: CC Elvert Barnes/Flickr)
A new report from Argentinian scientists states that electromagnetic radiation
in a laptop's Wi-Fi connection could take the swagger out of sperm.
The thought-provoking article, published in the journal Fertility and
Sterility, is the culmination of a study conducted by Conrado Avendano, a
biochemist working for the Nascentis Center of Reproductive Medicine in
Cordoba, Argentina, in conjunction with a group of medical professionals.
The study found that semen from 29 donors placed for four hours in room-
temperature petri dishes 3 centimeters from a laptop actively connected to Wi-
Fi showed "a significant decrease in progressive sperm motility and an
increase in sperm DNA fragmentation."
Samples placed near a laptop without an active Wi-Fi connection were slightly
less abnormal, according to the study. Both experiments yielded the same
amount of dead sperm, which most likely occurred by heat emanating from the
laptop.
Regardless, this research suggests that many males, including myself, may have
been using a form of unintended birth control for the last decade. It is a...
[Read more]
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Albuquerque Journal
