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Камерун купить MDMA XTC экстази
In recent years, handheld Raman devices have become a widely used technology for safety and security personnel and law enforcement for quick identification of narcotics, pharmaceutical drugs, hazardous chemicals, explosives, and other substances. Thanks to the rugged design and portability of handheld Raman devices, police officers and public safety personnel are able to detect suspected substances in the field. However, brightly-colored street samples such as ecstasy tablets pose a serious challenge due to the fluorescence interference commonly associated with Raman devices that use a nm laser. Fluorescence is photoluminescence emission upon laser excitation that potentially overwhelms the Raman signal partially or completely, resulting in a poorly defined Raman signature, and failure of identification. Fluorescence can limit the Raman detection of colorful substances and mixtures with plant-based narcotics and cutting agents, making it difficult to perform fast, presumptive tests of street samples in the field. Laser excitation wavelength plays a critical role in fluorescence appearance. While Raman scattering can occur with any incident laser wavelength, fluorescence is wavelength-dependent. Raman spectrometers operating using visible lasers such as nm and nm wavelengths typically generate strong fluorescence from brightly-colored samples and street-level mixtures that overwhelms the Raman signal. A laser wavelength in the near-infrared region of light, such as nm, naturally reduces the fluorescence generated from these types of samples. For this reason, handheld Raman systems that contain nm laser excitation, as opposed to the nm laser excitation traditionally used, are the newest advancement in Raman instrumentation in an effort to significantly reduce fluorescence interference. Designed for forensic analysis by safety personnel, first responders, and law enforcement personnel, the TacticID significantly reduces fluorescence, allowing users to identify tough street samples such as ecstasy tablets in a variety of colors and mixture forms. Popular among teenagers and young adults, ecstasy tablets are often found in many colors with various logos at club scenes and rave music events to attract young people. The main ingredient MDMA 3,4-methylenedioxymethamphetamine is a synthetic drug, chemically similar to those of stimulants and hallucinogens that alters mood and perceptions. Deaths from MDMA are commonly associated with a fatal increase in body temperature and dehydration. Due to the colorful and nonhomogeneous nature of ecstasy pills, when they are measured with a Raman device with a nm excitation wavelength the Raman signatures tend to be overwhelmed by strong fluorescence, which limits the capability of identification. To illustrate the fluorescence interference of colorful ecstasy pills generated by a nm laser, Figure 1 shows Raman spectra collected from a pink-colored MDMA tablet using a Raman device with a nm laser blue trace and a Raman device with a nm laser red trace. The fluorescence generated from the nm laser overwhelms the Raman peaks characteristic of MDMA, while excitation with the nm laser results in clear, distinct MDMA Raman signature peaks. The TacticID was used to test ecstasy pills of different colors. Figure 2 displays the test result of a pink tablet. An HQI score is a measure of how well the unknown sample spectrum correlates to a library spectrum. In general, an HQI score higher than 85 indicate sufficient correlation to the reference signature to identify the main component in the street samples. For test results with HQI score lower than 85, the user can initiate mixture analysis to further analyze the components in the sample mix. Other ecstasy pills with different colors and logos were tested using TacticID The results are summarized in Table 1. Figure 3 overlays spectra from four ecstasy pills of different colors measured with the TacticID Unlike Raman devices with nm laser wavelengths, the TacticID is able to significantly reduce the fluorescence from the dyes and other additives in the pills, providing distinctive Raman signatures for accurate and reliable identification. Although MDMA is usually the main component of ecstasy, oftentimes tablets are a mixture of several stimulants such as MDA 3,4-methylenedioxyamphetamine , MDEA 3,4-methylenedioxy-N-ethylamphetamine , amphetamine, methamphetamine, caffeine, and other cutting agents. This low HQI value indicates the sample composition is likely not dominated by just one component. The percentage values reported from the mixture analysis indicate the probability of each individual component spectrum in forming the composite spectrum of the sample. Raman devices with nm laser excitation significantly reduce the fluorescence commonly observed from colorful samples upon excitation with a nm laser. The TacticID successfully identified ecstasy pills in colors such as pink, red, yellow, blue, and orange based on HQI scores that provide a correlation of how well the spectrum from the unknown sample matches to a library spectrum. Mixture analysis on the TacticID was used to identify components in pills that are not comprised of a single pure component. Ultimately, the advent of Raman devices with nm laser excitation like the TacticID expands the scope of materials that law enforcement officials and hazardous materials technicians can reliably and safely identify. Demande de devis. Case Study: Ecstasy. Figure 1. MDMA pink tablet Raman spectra measured by nm laser red trace vs. TacticID test results. Figure 2. Table 1. TacticID testing details for different ecstasy pills. Figure 3. TacticID spectra from ecstasy pills of pink, blue, orange, and yellow colors. Figure 4. TacticID mixture analysis result for orange pill with Tesla logo. Figure 5. Trouver des applications. Affinez votre recherche Nitrite in hydroxypropyl methylcellulose. Nitrite in duloxetine hydrochloride API.
Корона экстази таблетки 3D модель
Экстази МДМА наркотик Бухарест
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Экспресс-тест для качественного выявления MDMA (Экстази)
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Камерун купить MDMA XTC экстази
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Камерун купить MDMA XTC экстази