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Topic: Microgram


  
  Kilogram - Wikipedia, the free encyclopedia
By definition, the error in the repeatability of the current definition is exactly zero; however, in the usual sense of the word, it can be regarded as of the order of 2 micrograms.
This is found by comparing the official standard with its official copies, which are made of roughly the same materials and kept under the same conditions.
The international prototype of the kilogram seems to have lost about 50 micrograms in the last 100 years, and the reason for the loss is still unknown (reported in Der Spiegel, 2003 #26).
en.wikipedia.org /wiki/Microgram   (1073 words)

  
 Reason: Open secrets: how the government lost the drug war in cyberspace
Microgram's release was mostly unnoticed, and its reception has been subdued--so subdued that even the chemical underground, where people in years past might have found in the newsletter a wealth of knowledge about how to synthesize and distribute psychoactive substances, has hardly noticed it.
When it started back in 1967, Microgram was a few typewritten pages in which chemists shared lab techniques for analyzing and identifying the drugs that were showing up on the street.
Microgram tells the fate of cocaine dissolved in canned liquids, embedded in the linings of plastic mugs, impregnated in a clear silicone caulk, and packed into decorative wooden globes, lotion bottles, candles, and pictures.
www.findarticles.com /p/articles/mi_m1568/is_5_36/ai_n6203219   (1261 words)

  
 The Hindu : Pollution level drops
The figure has risen to 94 microgram per cubic metre in 2003, registering an increase of 20 per cent.
This increase is alarming because it exceeds the permissible limit of 80 microgram per cubic metre.
In 2003, the figure stands at 38 microgram per cubic, recording an increase of 13 per cent.
www.hinduonnet.com /2004/01/18/stories/2004011808770300.htm   (331 words)

  
 Homemade Microgram Electrobalance
Microgram balances are clever devices that can measure fantastically tiny masses.
Top-of-the-line models employ an ingenious combination of mechanical isolation, thermal insulation and electronic wizardry to produce repeatable measurements down to one tenth of a millionth of one gram.
The result was an electrobalance that can determine weights from about 10 micrograms all the way up to 500,000 micrograms (0.5 gram).
www.erowid.org /archive/rhodium/chemistry/equipment/scale.html   (1381 words)

  
 Penn State Faculty Research Expertise Database (FRED)   (Site not responding. Last check: 2007-11-07)
Rats were given neurotensin (60 microgram, i.c.v.) prior to CWR or pylorus ligation after pretreatment with SR48692, a nonpeptide antagonist of the high-affinity neurotensin receptor (0.25 or 2.5 microgram, i.c.v., or 10, 100, or 500 microgram kg-1, i.p.).
Pretreatment with SR48692 (2.5 microgram, i.c.v., or 100 microgram kg-1, i.p.) prior to CWR blocked neurotensin's protection of the gastric mucosa against injury.
In contrast, pretreatment with 2.5 microgram SR48692, i.c.v., did not block neurotensin-induced inhibition of acid secretion, whereas 500 microgram kg-1, i.p., partially blocked the inhibition.
fred.hmc.psu.edu /ds/retrieve/fred/publication/9813278   (319 words)

  
 Blogger: Email Post to a Friend
In January 2003 DEA officials started to make Microgram publicly available via the Web (at www.usdoj.gov/dea/programs/forensicsci/microgram/bulletins_index.html), where it joined a vast sea of information about illicit drugs: how to get them, how to use them, why to avoid them, why laws controlling them should be either tightened or reformed.
Microgram’s release was mostly unnoticed, and its reception has been subdued -- so subdued that even the chemical underground, where people in years past might have found in the newsletter a wealth of knowledge about how to synthesize and distribute psychoactive substances, has hardly noticed it.
Microgram remains so obscure that few drug-oriented sites have linked to it since it went online.
www.blogger.com /email-post.g?blogID=3432977&postID=109692866160253444   (1411 words)

  
 Erowid Hardware Vault : Homemade Microgram Scale
Sophisticated sensing devices and circuitry control the current in the coil-which is why microgram electrobalances are so pricey.
Although he may be an austere professional to his clients, I know him to be quite the free spirit who spends time in the business world only so he can make enough money to indulge his true passion-amateur science.
The result was an electrorobalance that can determine weights from about 10 micrograms all the way up to 500,000 micrograms (0.5 gram).
www.erowid.org /psychoactives/hardware/hardware_info1.shtml   (1430 words)

  
 Leong review of "Safety of 4000 Microgram Doses of Intravitreal Ganciclovir   (Site not responding. Last check: 2007-11-07)
The combined use of intravitreal injections of 1600 micrograms of ganciclovir and 2400 micrograms of foscarnet has been reported with no retinal toxicity (1).
On the other hand, the inadvertent intravitreal injection of 40 mg (40,000 micrograms) of ganciclovir was shown to cause permanent retinal damage and visual loss despite immediate treatment with vitrectomy (3).
No retinal toxicity was noted although three cases of CME occurred in their group of sixteen eyes which were treated with between 1 to 16 doses of intravitreal ganciclovir.
www.retinaspecialists.org /journal/old/vol1no1/origin/prpavan/4000/leongrev.htm   (257 words)

  
 MicroGram Computers-Newsletter subscription   (Site not responding. Last check: 2007-11-07)
If you want to be informed of MicroGrams new and innovative products as they hit the shelves, sign up to our weekly newsletter.
MicroGrams VOIP Phones are the next generation in intelligent communication devices.
MicroGrams luminescent keyboards come in two flavours, a compact 88 key model and a full size 105 key model.
www.mgram.com.au /newsletter.htm   (421 words)

  
 Reason: Open Secrets: How the government lost the drug war in cyberspace.
Microgram’s existence was such a well-kept secret that it never developed a following in the chemical underground.
Another myth concerns the "Chewbacca" technique for manufacturing methamphetamine (so named because a person called "Chewbacca-Darth" is credited for it), which involves such a delicate preparation of two sensitive precursors that it would be difficult to pull off even in a professional laboratory.
This was the informational context in which Microgram went public.
www.reason.com /0410/cr.me.open.shtml   (3712 words)

  
 Inhouse Pharmacy CYTOTEC - Misoprostol 200 microgram tablet.
In the dosage range of 50 microgram to 200 microgram in healthy human subjects, CYTOTEC inhibits gastric acid secretion in the basal state, as well as that stimulated by histamine, pentagastrin, food, tetragastrin, betazole and coffee.
In patients with osteoarthritis, CYTOTEC 200 microgram coadministered with aspirin 900 mg q.i.d.
CYTOTEC 100 microgram or 200 microgram q.i.d coadministered with ibuprofen reduced ibuprofen-induced gastroduodenal lesions.
www.inhousepharmacy.com /digestive/cytotec-information.html   (2649 words)

  
 86.1312-88 Weighing chamber and microgram balance specifications.
These reference filter pairs shall be weighed within 4 hours of, but preferably at the same time as, the sample filter pair weighings.
(4) If the average weight of the reference filter pairs changes between sample filter weighings by more than 40 micrograms, then all sample filters and background filters in the process of stabilization shall be discarded and the emissions tests repeated.
The microgram balance used to determine the weights of all filters shall have a precision (standard deviation) of 20 micrograms and readability of 10 micrograms.
www.setonresourcecenter.com /cfr/40CFR/P86B_177.HTM   (403 words)

  
 Computer Dealer News: Changing market challenges Microgram - Microgram Computer Industries Inc   (Site not responding. Last check: 2007-11-07)
Microgram operates as a one-man company, with Wong doing everything from advertising to providing the technical support.
Along with IBM-compatible PCs carrying the Microgram brand name, Wong handles Panasonic and Star printers, monitors from NEC and Aamazing, peripherals from Goldstar and a varied range of accessories.
One of his ultimate goals would be to open stores similar to Microgram in his native Hong Kong.
www.findarticles.com /p/articles/mi_m3563/is_n20_v7/ai_11423712   (673 words)

  
 apcmag.com: MicroGram USB 2.0 to SVGA adaptor   (Site not responding. Last check: 2007-11-07)
MicroGram’s USB 2.0 to SVGA adaptor makes it easy but, because the adaptor relies on USB 2.0 to deliver the signal, it’s not backward compatible with USB 1.1.
Movement on the adaptor lagged visibly as the screen is only redrawn four to five times per second, although it still maintains a sync with the monitor at 60Hz.
MicroGram’s USB 2.0 to SVGA adaptor is well worth the asking price if you can’t fit a second PCI adaptor to a machine.
www.apcmag.com /apc/v3.nsf/0/43B20DD8FFF60278CA256FA80010E733   (459 words)

  
 86.112-91 Weighing chamber (or room) and microgram balance specifications.
The temperature of the chamber in which the particulate filters are conditioned and weighed shall be maintained to within ±10 °F (6 °C) of a set point between 68 °F (20 °C) and 86 °F (30 °C) during all filter conditioning and filter weighing.
The microgram balance used to determine the weights of all filters shall have a precision (standard deviation) and a readability of one microgram.
Other procedures and equipment may be used if shown to yield equivalent or superior results and if approved in advance by the Administrator.
www.setonresourcecenter.com /cfr/40CFR/P86A_201.HTM   (376 words)

  
 DEA Resources, Microgram, January 2005
Microgram Bulletin is a monthly newsletter published by the U.S. Drug Enforcement Administration's Office of Forensic Sciences, and is primarily intended to assist and serve forensic scientists concerned with the detection and analyses of suspected controlled substances for forensic/law enforcement purposes.
Microgram Bulletin is unclassified (as of the January 2003 issues), and is published on the DEA public access website (see the above URL).
All issues of Microgram (November 1967 - March 2002) and the first nine issues of its successor Microgram Bulletin (April - December, 2002) were and continue to be Law Enforcement Restricted publications, and are therefore (permanently) unavailable to the general public.
www.dea.gov /programs/forensicsci/microgram/mg0105/mg0105.html   (6486 words)

  
 ADHD Issues - Lead Exposure Unhealthy at Any Level
Of the children in the study, 244 had blood lead levels of 10 micrograms per deciliter or less, while 103 children had blood lead levels of 7.5 micrograms per deciliter or less.
Lanphear's team also found that intellectual impairments caused by low levels of lead exposure are proportionally greater than those found in children with higher levels of lead in their blood.
Raising exposure from 10 micrograms to 20 caused another 1.9-point drop in IQ, while the increase from 20 micrograms to 30 micrograms led to another 1.1-point decline.
www.adhdissues.com /ms/news/526740/main.html   (536 words)

  
 Microgram Bulletin, DEA Publication archived by CCLE
Microgram Bulletin is a monthly newsletter published beginning in 1967 by the U.S. Drug Enforcement Administration's Office of Forensic Sciences.
It is primarily intended to assist and serve forensic scientists concerned with the detection and analyses of suspected controlled substances for forensic/law enforcement purposes.
Additional information about the Microgram Bulletin can be found on the DEA's website here.
www.cognitiveliberty.org /dll/microgram_info.html   (184 words)

  
 DEA Resources, Microgram, May 2004
Sir: With regard to the April 2004 edition of Microgram Bulletin, and the Intelligence Alert on counterfeit methylphenidate tablets containing oxycodone, the Florida Department of Law Enforcement (Tampa Laboratory) has had several encounters with these tablets.
The email addresses for the following organizations have returned rejection notices to the Microgram Editor for the past three issues of Microgram Bulletin, and will therefore be dropped from the subscription list unless a corrected email address is provided by the end of June 2004.
A copy of the application form is appended onto the October 2003 issue of Microgram Bulletin, and should be mailed to the Special Testing and Research Laboratory (Attention: Pam Smith or Jennifer Kerlavage) at: 22624 Dulles Summit Court, Dulles, VA 20166.
www.usdoj.gov /dea/programs/forensicsci/microgram/mg0504/mg0504.html   (5075 words)

  
 DEA Resources, Microgram, April 2003
These issues were first offered in the September 2002 issue of Microgram Bulletin, with the specification that they were intended to fill "holes" in existing collections (not to create new, partial collections), and over 500 issues were requested in that spirit.
The remaining issues are now available to any current Microgram subscribing office that has a law enforcement affiliation (all issues 1967 to 2002 were and remain law enforcement restricted).
If there are no responses, this collection will be discarded one month after the hard copy of the April 2003 issue (this issue!) is mailed; therefore, interested subscribers should contact the Editor as soon as possible.
www.dea.gov /programs/forensicsci/microgram/mg0403/mg0403.html   (6523 words)

  
 Regional Anesthesia for Laparoscopic Surgery
We performed a double-blind, controlled trial to determine the optimal dose of intrathecal fentanyl in small-dose hypobaric lidocaine spinal anesthesia for outpatient laparoscopy.
Sixty-four gynecological patients were randomized into three groups, receiving 0, 10, or 25 micrograms fentanyl added to 20 mg lidocaine and sterile water (total 3 mL).
Based on these results, we concluded that 25 micrograms intrathecal fentanyl is required when 20 mg lidocaine is used for hypobaric spinal anesthesia (SA) to ensure reliable, durable anesthesia, reduce shoulder-tip pain, and minimize the need for intraoperative supplementation.
www.csen.com /anesthesia/laparoscopy.htm   (3733 words)

  
 [No title]
TWA: The Time-Weighted Average concentration is the average exposure concentration based on the duration of exposure to airborne concentration as it varies during an 8-hour workday.
ug/l: see "micrograms per liter." Ultra-Low Volume (ULV): A liquid pesticide product which is applied undiluted at a rate of one-half gallon per acre or less.
Uncertainty factor: A number (equal to or greater than one) used to divide NOAEL or LOAEL values derived from measurements in animals or small groups of humans, in order to estimate a NOAEL value for the whole human population; also called margin-of-safety.
ace.orst.edu /info/extoxnet/tibs/glossary.htm   (6474 words)

  
 Online Conversion - microgram to micromol
How could I convert from micrograms to micromoles, is there any easy formula?
To convert micrograms to micromoles, you just divide by the molecular weight.
You'll need to know or be able to look up the molecular weight, but after that the conversion is easy.
www.onlineconversion.com /forum/forum_1108865043.htm   (45 words)

  
 EXTOXNET TIBs - HOW MUCH IS A PART PER MILLION?
In the metric weight system, a microgram is a thousandth of a milligram.
Since a milligram is a millionth of a kilogram, and the microgram is a thousand times smaller, it is equivalent to a billionth of a kilogram.
Thus, a part per billion of solid measure is equal to a ug/kg.
ace.orst.edu /info/extoxnet/tibs/partperm.htm   (1346 words)

  
 Application of Azure C for the extractive spectrophotometric determination of microgram amounts of penicillin.   (Site not responding. Last check: 2007-11-07)
Application of Azure C for the extractive spectrophotometric determination of microgram amounts of penicillin.
Application of Azure C for the extractive spectrophotometric determination of microgram amounts of penicillin.The method was successfully applied to pharmaceutical preparations.
Maximum absorbance was obtained almost instantaneously and was stable for several days.
www.pdg.cnb.uam.es /UniPub/iHOP/gp/4867637.html   (129 words)

  
 Consumer Medicine Information
This may be gradually increased by 37.5 IU (2.73 microgram) until adequate response to treatment is obtained.
The dose usually starts at 150-225 IU (10.92 microgram to 16.5 microgram) daily, commencing on day 2 or 3 of the cycle.
Follitropin alfa 37.5 IU (2.73 microgram), 75 IU (5.46 microgram) 150 IU (10.92 microgram)
www.medsafe.govt.nz /consumers/cmi/g/gonal-f.htm   (2179 words)

  
 DEA Resources, Microgram, June 2004   (Site not responding. Last check: 2007-11-07)
The phenomenon of psilocybin mushroom/chocolate concoctions was discussed at length in the June, 2003 issue of Microgram Bulletin (with additional reports also being published in the May, August, and October 2003 issues of Microgram Bulletin).
DEA officials in Philadelphia report that ACTIQ, referred to as perc-a-pop, is being sold in the city for $20 per dosage unit.
The arrests and seizure were the result of a 3 month investigation conducted to determine the identity of the intended recipients of chemicals being sent to a Sioux Falls post office box.
www.usdoj.gov /dea/programs/forensicsci/microgram/mg0604/mg0604.html   (4924 words)

  
 Microgram Bulletin : SF Indymedia   (Site not responding. Last check: 2007-11-07)
Long shrouded in mystery, Microgram Bulletin is a monthly newsletter published by the U.S. Drug Enforcement Administration's Office of Forensic Sciences since 1967.
Microgram Bulletin is published by the Drug Enforcement Administration
Office of Forensic Sciences Washington, D.C. Long shrouded in mystery, Microgram Bulletin is a monthly newsletter
sf.indymedia.org /news/2003/06/1616482.php   (265 words)

  
 Food Standards Agency - MAFF UK - Iodine In Milk (Sheet 198)   (Site not responding. Last check: 2007-11-07)
In order to protect individuals against the toxic effects of excessive iodine intake the Joint Expert Committee on Food Additives (JECFA) of the Food and Agriculture Organization (FAO) and the World Health Organization (WHO) has recommended a Provisional Maximum Tolerable Daily Intake (PMTDI) of 0.017 milligrams per kilogram body weight (mg/kg b.w.).
This is applicable to individuals over the age of 12 weeks and is equivalent to 1000 micrograms (mg)/day for a 60 kg adult (the equivalent values for children are reported in the Table).
There are few data on which to base estimates of the potential intake of iodine by different age groups.
www.foodstandards.gov.uk /science/surveillance/maffinfo/2000/maff-2000-198   (6146 words)

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