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	LD50 -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-10-10)
		Stating it this way allows the relative toxicity of different substances to be compared, and allows one to scale for the different size of the animals exposed.
		This is particularly the case where the substance is not particularly toxic and a large quantity of the material is ingested by the animals over a long period, in some cases causing slow, painful deaths.
		Another criticism of LD testing is that lethality in test animals does not always give an accurate indication of lethality in humans, because resistance varies from one species to another.
	www.absoluteastronomy.com /encyclopedia/l/ld/ld501.htm (630 words)

	LD50 - Wikipedia, the free encyclopedia
		In animal testing studies, the dose administered that kills half the test population is referred to as the LD, for "Lethal Dose, 50%".
		The usual terms for expressing the LD are in units of mass of substance per mass of body mass, eg grams (of substance) per kilogram (of body mass).
		The LD of batrachotoxin in humans is estimated to be 1 to 2 µg/kg.
	en.wikipedia.org /wiki/LD-50 (646 words)

	The Cinematic Verses: Lethal Dose (LD 50) (Site not responding. Last check: 2007-10-10)
		A group of animal rights activists (known as LD 50) break into a corporate lab in an effort to liberate the unfortunate animals that are being held captive while waiting for their turn under the knife.
		The now disbanded members of LD 50 decode an e-mail from their former colleague indicating the location of the lab in which he is participating in the experiments.
		The motley crew of LD 50 is comprised of the usual suspects.
	www.thecinematicverses.com /reviews/lethaldose(ld50).html (559 words)

	TOXICITY LATHAL DOSE LD-50
		Lethal Dose 50: A single dose of a material that, on the basis of laboratory tests, is expected to kill 50% of a group of test animals.
		Lethal Concentration 50: The concentration of a material in air that, on the basis of laboratory tests, is expected to kill 50% of a group of test animals when administered as a single exposure (usually 1 or 4 hours).
		The LC50 is expressed as parts of material per million parts of air, by volume (ppm) for gases and vapors, or as micrograms of material per liter of air (µg/L) or milligrams of material per cubic meter of air (mg/m3) for dusts and mists, as well as for gases and vapors.
	delloyd.50megs.com /hazard/LD50.html (383 words)

	British Journal of Pharmacology - In vivo effects of new inhibitors of catechol-O-methyl transferase
		Levodopa (LD) is widely used in the treatment of Parkinson's disease (PD) (Papavasilous et al., 1972; Bartholini and Pletscher, 1975), which is characterized by a marked reduction of dopamine (DA) levels in the striatum.
		LD is converted by dopa decarboxylase (DDC) to DA, both in peripheral tissues and in brain.
		Accumulation of 3-OMD may be detrimental for PD patients since it competes with LD for the active transport through the intestinal mucosa and the blood-brain-barrier (Muenter et al., 1973; Reches et al., 1982).
	www.nature.com /bjp/journal/v126/n7/full/0702474a.html (3829 words)

	The MSDS HyperGlossary: LD-50, 50% Lethal Dose
		(50% lethal concentration) is a related term used for gases, dusts, vapors, mists etc.
		Typical units for LD values are milligrams or grams of material per kilogram of body weight (mg/kg or g/kg, recall that 1 kg = 2.2 pounds).
		Never be exposed to an LD dose of a hazardous chemical -- by definition, there is a 50% chance this will kill you...and if you survive you're not going to be in good shape.
	www.ilpi.com /msds/ref/ld50.html (508 words)

	UNODC - Bulletin on Narcotics - 1958 Issue 4 - 006
		Subcutaneous and oral ED 's in mice and subcutaneous LD 's were determined at Bethesda; the other data were obtained in the Hoffman-La Roche laboratories at Basle.
		If possible, an LD was calculated by probit analysis, but in many instances the low order of toxicity and the small amount of material available permitted only the conclusion that the LD was above a certain level.
		The intravenous LD values varied much less from the LD of levorphanol than did thesubcutaneous LD ’s, but again the most active compounds had high LD ratios; and again these ratios diminished as analgesic activity diminished.
	www.unodc.org /unodc/en/bulletin/bulletin_1958-01-01_4_page007.html (2625 words)

	Occupational Diseases (Site not responding. Last check: 2007-10-10)
		The LD 50 is the single dose of a substance which when administered to a batch of animals under test kills 50% of them.
		In a similar way, the LC 50 refers to an inhale substance and is the concentration which kills 50% in a stated time.
		The time taken to reduce the concentration of a substance in the body to 50% is known as its biological half-life.
	www.healthandsafety.co.uk /occdis.htm (741 words)

	.50-Caliber In-Line Muzzleloader Muscle
		The lightweight.50-caliber Lightning LD in-line muzzleloader from Traditions features fiber-optic sights, a two-position safety, an adjustable trigger, and the receiver is drilled and tapped for scope mount installation.
		The standard Lightning LD is chambered in.45 and.50 calibers, has a 26-inch fluted barrel, and comes in three combinations: fl synthetic and blued steel, fl synthetic and nickeled steel, or camo stock with nickeled steel.
		I tried the two granulations in the.50-caliber Traditions LD, and both accuracy and velocity were about the same although FFg H777, the coarser of the two powders, did seem to leave behind a bit more fouling.
	www.shootingtimes.com /longgun_reviews/muscle_1104 (2349 words)

	AST Sports Science - QA (Site not responding. Last check: 2007-10-10)
		This is the lethal dose of a compound that is reported to kill 50% of the population.
		For caffeine the LD-50 is estimated at 10-grams for oral administration.
		In cups of coffee, this equates to 50 to 200-cups or about 50-Vivarin tabs (200-miligrams each) per day.
	www.ast-ss.com /print_page.asp?id=2074&type=QA (257 words)

	Spyderco Forums - Thought for the day (Site not responding. Last check: 2007-10-10)
		The LD_50 of caffeine (that is the lethal dosage reported to kill 50% of the population) is estimated at 10 grams for oral administration.
		In cups of coffee the LD_50 varies from 50 to 200 cups of coffee or about 50 vivarins (200mg each).
		The amount of caffeine in an average cup of coffee is 50 - 200 mg.
	spyderco.com /forums/showthread.php?t=13237 (1067 words)

	ipedia.com: LD50 Article (Site not responding. Last check: 2007-10-10)
		In toxicology, the LD 50 or colloquially semilethal dose of a particular substance is a measure of how much constitutes a lethal dose.
		Unsurprisingly, animal welfare groups (particularly those influenced by the animal liberation movement) object to the studies needed to calculate this figure.
		As concern grows for the welfare for animals, the test is administered less frequently, though the collection of data already obtained make it useful.
	www.ipedia.com /ld50.html (388 words)

	cannabis.com: JUST SAY KNOW: How Many Dosages Of THC Must A Human Take To Reach The LD-50% Amount? (Site not responding. Last check: 2007-10-10)
		I think the LD-50% dose is a statistical term which means the dose or amount of a substance that will kill about 50% of the test subjects.
		Another way to look at the Therapeutic Index is this - it simply states how many normal-sized doses of a certain substance a given population of animals has to take, in order to reach the level that kills about 50% of them.
		So, in general, the higher a T.I. or Safety Ratio something has, the safer it is to use as this means there is less chance of dying from an overdose if one takes too much.
	www.cannabis.com /ezine/just_say_know/1.shtml (1081 words)

	Long Drive Shafts (Site not responding. Last check: 2007-10-10)
		Animal LD Designed by World Renowned Long Drive "Icon" George Slupski.
		The EXTREME LD was the winning shaft in four professional events in 2001 and countless World Championship qualifiers.
		Long Drivers everywhere will have no trouble generating maximum club head and ball speed with the PRO LD.
	www.2puttgolf.com /LongDriveShafts.html (258 words)

	Casio LD-50AD Touch-Sensitive Digital Drums with Guide Lights and AD-5 AC Adapter (Site not responding. Last check: 2007-10-10)
		The LD-50 has 50 preset rhythms ranging from rock to jazz.
		These rhythms can be used for accompaniment as well as for interactive tutorials in lesson mode.
		But for $50 you can bang around and have a lot of fun.
	us.jpdigicam.com /ASWrapper/CE/B000063XP1.html (754 words)

	LD-50 (Site not responding. Last check: 2007-10-10)
		It has 4 drum pads that each have touch response and 4 sound effect pads.
		There are 50 rhythms built-in all with auto-accompaniments.
		There are 3 digital effects, a play level, which controls the number of drum pads and also specify which ones light up.
	www.harmony-music.co.uk /ld-50.htm (144 words)

	Ld 50 : Zolus WEB (Site not responding. Last check: 2007-10-10)
		LD 50 (2000) 1 Monolith 2 Dig 3 Internal Primates Forever 4 -1 5 Death Blooms 6 Golden Ratio 7 Cradle 8 Nothing To Gein 9 Mutatis Mutandis
		Similar pages Amazoncom: LD 50 [EXPLICIT LYRICS] [IMPORT]: MusicLD 50, Mudvayne The second offering of the Illinois band, LD50 is littered with brilliant lyrical content and well thought-out syncopation
		The NY Times review of LD 50, a Simon De Selva film starring Katharine Towne and Melanie Brown LD 50 movie trailer, showtimes, tickets and reader reviews
	zolus.org /s/ld_50.html (375 words)

	HP SCSI 50 PIN (M) LD TO 50 PIN (M) HD 8' Interface Cable - 5063-1218 for $24.95 \| WeirdStuff Warehouse
		HP SCSI 50 PIN (M) LD TO 50 PIN (M) HD 8' Interface Cable - 5063-1218 for $24.95
		This item is an HP SCSI 50 PIN (M) LD TO 50 PIN (M) HD 8' Interface Cable.
		This item is used for the HP NetServer 40, 45 and 50.
	www.weirdstuff.com /cgi-bin/category.cgi?item=12157 (113 words)

	Sermon: LD 50, Deuteronomy 8 "Bored with Bread"
		Sermon: LD 50, Deuteronomy 8 "Bored with Bread"
		Atkins' New Diet Revolution has been on the bestseller list in The New York Times, where it currently occupies the #1 Bestseller spot in the category of "Advice and How-To" books.
		Because if we become bored with God's Word, then we starve.
	www.calvincrc.org /sermons/topics/lordsPrayer/ld50Deut8.html (2815 words)

	Ride Calendar 2003 (Site not responding. Last check: 2007-10-10)
		5/7 and 8 WHITE RIVER SPRING, Little Manistee National Forest, MI, 25 LD and 50 E Sa and Su; Wayne Gastfield, 231-924-2605 or Lauri Williams williaml@monashores.net.
		6/18 and 19 HOOSIER DADDY, Hoosier National Forest, IN; 25 LD 50 E 25 CTR Sa and Su; Kenneth Keesee 765-734-1008 keeseefarms@aol.com
		Sa, 25 LD 15 N Su; $10 late entry fee after 9/3; CTR Becky McCarty 330-239-0384 fire.master1@prodigy.net Endurance: Mollie Smith 513-583-5034 mkrumlaw@goodnews.net
	www.oaats.org /cal.htm (671 words)

	eBay - CD: LD 50 PA (UPC: 5099750058824) (Site not responding. Last check: 2007-10-10)
		Mudvayne: Greg "Gurrg" Tribbett (vocals, guitar); Chad "Kud" Gray (vocals); Ryan Martinie (bass); Matthew "Spag" McDonough (drums).Recorded at Warehouse Studio, Vancouver, British Colombia.L.D. 50 is the scientific measurement used to determine the relative lethal dosage of a toxic substance.
		Thus, it's an entirely appropriate title for the major-label debut of these decidedly toxic troublemakers.While these heavy rockers churn out gut-wrenching guitar riffs, pounding drumbeats, and snarling vocals aplenty, they're far from humorless.
		Use of this Web site constitutes acceptance of the eBay User Agreement and Privacy Policy.
	product.ebay.com /LD-50-PA_UPC_5099750058824_W0QQfvcsZ1277QQsoprZ3987759 (286 words)

	Toke Up - Your Online Cannabis Community - LD-50 of Oxycontin
		If someone has never taken it before, they should prb.
		Isnt the LD-50 when they give 100 rabbits (or whatever, take your pick- try kangeroos) an increasingly high dose of a drug untill 50 of them have overdosed, and then that dose becomes the LD-50, so then it wouldnt change if you had zero tolerance or not.
		But i agree with mf ive seen guys get messed up on 20 mg, better safe than sorry eh?
	www.tokeup.com /forums/showthread.php?t=4441 (1132 words)

	Dynamic Golf (Site not responding. Last check: 2007-10-10)
		We are now accepting phone orders from 9 am to 3 pm PST, Monday thru Friday.
		Graphite Design YS Power GJ 396X 3X/4X LD Shaft
		Harrison Striper Long Drive 50" UL LD Shaft
	highendgolf.com (331 words)

	CD Baby: LD-50 (METAL): Dominate
		SOunds a bit like "cowboys from hell" era Pantera.
		Awesome- Watch out Pantera here comes LD 50!!
		Your music is amazing- I went to your CD release party and thought you guys were the best there.
	www.cdbaby.com /cd/ld50 (379 words)

	Thunderbirds Forum - My LD 50 forum!! (Site not responding. Last check: 2007-10-10)
		I deside to make my own LD 50 Lethal Dose forum!!
		I would join, but I haven’t seen the movie and I’m on enough boards already!
		But I'm still looking for members in my LD 50-forum
	www.thunderbirdsthemovie.com /forums/showthread.php?t=870 (290 words)

	DVD LD 50 LETHAL DOSE DVD A AMEACA DVD (Site not responding. Last check: 2007-10-10)
		DVD LD 50 LETHAL DOSE DVD A AMEACA DVD
		Important notice regarding the legality of DVD Brazil's products:
		Visit the first Brazilian DVD forum - www.DVDForum.com.br
	www.dvdbrazil.com /comersus/store/comersus_viewitem.asp?idproduct=906 (304 words)

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