違禁品尿液檢測(cè)卡-MDMA

廣州健侖生物科技有限公司

獨(dú)立包裝：BZO-BAR-COC--THC -MET--OPI-OXY-MDMA-PCP- AMP-XTC-MTD 或聯(lián)檢

      違禁品尿液檢測(cè)卡-MDMA

The MDMA One Step Methylenedioxymethamphetamine Test Cassette is a lateral flow chromatographic immunoassay for the qualitative detection of Methylenedioxymethamphetamine in urine at the following cut-off concentrations of 500ng/ml.

This assay provides only a preliminary analytical test result. A more specific alternate chemical method must be used in order to obtain a confirmed analytical result. Gas chromatography/mass spectrometry (GC/MS) is the preferred confirmatory method. Clinical consideration and professional judgment should be applied to any drug of abuse test result, particularly when preliminary positive results are used.

Methylenedioxymethamphetamine (ecstasy) is a designer drug first synthesized in 1914 by a German drug company for the treatment of obesity.3 Those who take the drug frequently report adverse effects, such as increased muscle tension and sweating. MDMA is not clearly a stimulant, although it has, in common with amphetamine drugs, a capacity to increase blood pressure and heart rate. MDMA does produce some perceptual changes in the form of increased sensitivity to light, difficulty in focusing, and blurred vision in some users.  Its mechanism of action is thought to be via release of the neurotransmitter serotonin. MDMA may also release dopamine, although the general opinion is that this is a secondary effect of the drug (Nichols and Oberlender, 1990).  The most pervasive effect of MDMA, occurring in virtually all people who took a reasonable dose of the drug, was to produce a clenching of the jaws.

The MDMA One Step Methylenedioxymethamphetamine Test Cassette yields a positive result when the concentration of methylenedioxymethamphetamine in urine exceeds 500ng/ml.

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【公司名稱】 廣州健侖生物科技有限公司

【 市場(chǎng)部 】       楊永漢
【】 
【騰訊  】
【公司地址】 廣州市清華科技園健新基地番禺石樓鎮(zhèn)健啟路63號(hào)二期2幢101-103室

Although many research results have accelerated the amplification of PCR systems, they have not been developed yet

A new thermal cycling process was achieved that was significantly faster than existing DNA denaturation and annealing rates. Over the years

, Scientists have been committed to research and development with low consumption, easy operation, small size and other advantages

Ultra-fast PCR instrument. Its superb speed will have a big impact on real-time diagnostics.
Recently, Dr. Luke Lee, a bioengineering professor at the University of California, Berkeley, and his team

Developed a speeding photoelectric photoelectric PCR technology - can significantly speed up DNA denaturation in PCR reaction, back

Fire speed. Design Principle: When exposed to light, free electrons oscillate and generate heat

. Once the light is off, the electrons stop shaking and no longer generate heat.
Based on the above physics, in order to speed up the temperature cycling, the researchers used a

With bacteria absorb light energy, bacteria in the spectrum analysis of the material - gold, choose thick

About 120nm gold foil wrapped microfluidic chip, which can be placed mixed with PCR

Reaction solution and DNA sample solution tube.
The researchers selected the peak wavelength of about 450nm LED lamp, light activated gold film surface

Of electrons to reach 13 ° C per second to heat the DNA solution. Similarly, when cooled, the temperature is

6.6 ℃ per second rate of decline.
The temperature was raised to 95 ° C at 55 ° C and 30 cycles of PCR were allowed to be controlled within 5 minutes

It takes about an hour for the PCR instrument to complete.
To prove the practical value of their newly developed system, researchers use photons

PCR instrument to amplify DNA samples, the result is positive bacteria. Photoelectric PCR instrument speed, sensitivity of bacteria

,low cost. Researchers are also developing ultra-speed gene diagnostic chip. This technology can mention

For immediate results, the application of broad prospects.
About 252 million years ago, about 90% of the species on Earth suddenly disappeared, which is known as five

Sub-species of the largest extinction. The reasons for the extinction of this species so far are unclear

.
The United States and Chinese scientists jointly published the Proceedings of the National Academy of Sciences in March 2014

(Proceedings of the National Academy of Sciences, PNAS)

One article may provide clues as to why 252 million years ago the species was massively extinct.
Recent research shows that the cause of mass extinction is not due to asteroids, volcanoes or raging

Coal fire, but due to a methanogenic archaea: Methanosarcina

(Methanosarcina). Methanosarcina in the ocean suddenly a large number of explosive

Colonization, resulting in a large amount of methane, the chemical composition of the climate and the oceans drastic changes, resulting in

Species extinct. The reason why the marine methane sarcinaceae suddenly explosive mass reproduction,

May be due to large-scale volcanic activity, the growth of this bacteria needed to bring the nickel element

Ocean, resulting in the multiplication of bacteria.