63 results about "Spectrophotometry" patented technology

The invention discloses a cisatracurium besilate content testing method which comprises the following steps: respectively weighing a test substance and a reference substance in a measuring flask, adding hydrochloric acid for dissolving and metering a volume to a scale, shaking up to prepare a corresponding solution, finally, measuring the solution according to an ultraviolet-visible spectrophotometry, measuring absorbance at a place of a maximum adsorption wavelength of 280nm, and calculating the content of cisatracurium besilate according to an anhydrous substance. According to the cisatracurium besilate content testing method, the solution is simply and conveniently prepared, no organic solvent is used, and the pollution to the environment and the harm to a human body are small. The cisatracurium besilate content testing method is higher in testing speed, and the time of testing each batch of products in average only needs 30 min. A place of a maximum adsorption wavelength of 280 nm is selected, so that the testing accuracy is ensured. The cost of a reagent used in a process of checking each batch of samples does not exceed 20 yuan; the testing cost of each batch of samples by adopting a high-performance liquid chromatography method is not less than 200 yuan, so that the cost of enterprises is greatly lowered.

The invention provides a method for rapidly detecting the ABTS < + > free radical scavenging rate of a traditional Chinese medicine extract based on Fourier infrared spectroscopy, which comprises the following steps: (1) collecting the Fourier infrared spectroscopy of a dandelion ethanol extract, and measuring the true value of the ABTS < + > free radical scavenging rate corresponding to the Fourier infrared spectroscopy by using spectrophotometry; (2) preprocessing the collected Fourier infrared spectrum to obtain a preprocessed spectrum; (3) carrying out characteristic wavelength variable extraction on the preprocessed spectrum by adopting a VIP algorithm, and combining spectrum segments corresponding to extracted characteristic wavelengths into a characteristic spectrum; (4) performing PCA analysis and step length segmentation processing on the characteristic spectrum to obtain an angle characteristic vector alpha y, and forming an angle characteristic matrix alpha by the angle characteristic vectors of all the traditional Chinese medicine extracts; and (5) constructing a regression model by using the angle feature vector matrix alpha. Compared with a traditional spectrophotometric detection method, the method has the advantage that the accuracy and the stability of a detection result can be better improved.

This invention provides a gas-phase molecular absorption spectrometry-naphthylethylenediamine hydrochloride spectrophotometric method for determining total nitrogen in waste gas from stationary pollution sources. The method comprises the following steps: S1. Reacting the waste gas with an oxidant; S2. Using an absorbent, further reacting the waste gas after S1; S3. Collecting the oxidant after S1, pretreating it to reduce nitrogen-containing compounds to nitric oxide, and detecting the total nitrogen content I; S4. Collecting the absorbent after S2 to obtain the total nitrogen content II; S5. Summing the total nitrogen content I and total nitrogen content II to obtain the total nitrogen content in the current waste gas. This method enables accurate determination of total nitrogen in waste gas from stationary pollution sources.

The application discloses an improved iodine oxidation-dimethylglyoxime spectrophotometry for detecting the content of nickel in steel, which comprises the following steps: obtaining an acidolysis solution by acidolysis of the steel to be detected; then diluting the solution to obtain a mother liquor to be detected; mixing the mother liquor to be detected with an ammonium citrate solution, water, an iodine solution, ammonia water and a dimethylglyoxime solution to obtain a chromogenic solution to be detected; and placing the chromogenic solution to be detected below a critical temperature to perform spectrophotometry to obtain the content of nickel in the steel to be detected. The application controls the adding amount of the ammonium citrate and the dimethylglyoxime in the chromogenic solution to be detected and the chromogenic temperature, so that the stable time of the absorbance of the chromogenic solution to be detected is greater than or equal to 60 minutes, the detection of the content of copper in the steel to be detected is less than or equal to 0.2%, and the probability of the result of the detection of the content of nickel in the steel to be detected (0.10%-50%) exceeding the allowable error of a navigation mark is less than or equal to 5%.

A system provides for an ability to automatically identify one or more chemical components of a sample, especially a biological fluid sample, based on analysis of spectral data by at least one artificial intelligence module. The artificial intelligence module is able to be trained on a plurality of spectral data samples having known concentrations of individual chemicals and elements. The system is preferably used for spectral techniques such as UV / vis and near-infrared (NIR) spectrophotometry, but is also able to be used for other forms of spectroscopic techniques, including mass spectrometry, infrared (IR) spectrometry, X-ray spectroscopy, Raman spectrometry, or nuclear magnetic resonance (NMR) spectrometry.

The application discloses a double-optical-path spectrometer, a color measurement device and a calibration method, and relates to the field of color measurement devices. The color measurement device obtains reflected light of a measured sample and reflected light of a test light source, and inputs the reflected light into a first incident slit and a second incident slit of a spectrometer through a Y-shaped light path unit; the reflected light is incident on a grating through a lens; diffracted light spots returned by the grating are incident on a photosensitive surface of a sensor on the side of the incident slit through the lens; the photosensitive surface is provided with an aperture stop with a dislocation opening; and the photosensitive surface at each dislocation opening only receives light signals of one light path, so that the short-term repeatability of spectrophotometry is improved. When wavelength calibration is performed, light signals of a calibration light source are obtained through the Y-shaped light path unit; pixel position information of the collected light signals is obtained according to a sensor of the spectrometer; a fourth-order polynomial is used to fit wavelength data and the pixel position information; the correspondence between the pixels and the wavelengths is adjusted; and the wavelengths are calibrated, so that the short-term repeatability of spectrophotometry is improved.

The invention provides a laser absorption and LIF imaging fused water quality COD detection method and system, and belongs to the technical field of water quality monitoring, the method comprises the following steps: placing a to-be-detected water sample in a sample pool, and vertically irradiating the water sample with laser; performing high-concentration COD detection by adopting an ultraviolet absorption spectrophotometry based on a Lambert-Beer law in combination with a calibration curve; a laser induced fluorescence (LIF) imaging technology is adopted, the RGB gray value of the ROI of a fluorescence image is extracted, and low-concentration COD detection is carried out in combination with a fluorescence intensity-COD model; automatically matching and detecting according to the concentration of the water sample, and outputting a final COD detection value; the system comprises a laser emission module, an image acquisition module, a sample detection module, a transmission light detection module and a data processing module. The advantages of two optical detection technologies are fused, rapid and accurate detection of COD of various water bodies is achieved, the system sensitivity is high, the structure is compact, and real-time monitoring of COD of the water bodies is achieved.

The application discloses a pesticide detection method for rice based on QuEChERS and ultraviolet-visible spectrophotometry, and takes three pesticides, i.e., bensulfuron-methyl, propanil and cypermethrin, as examples to carry out research on a rapid screening method for multiple pesticide residues in rice. The improved QuEChERS method is used to process rice to obtain a matrix liquid, matrix standard solution and solvent standard solution are prepared, the quantitative linear range of each pesticide and the matrix effect are obtained. In the quantitative concentration range, mixed solutions of the three pesticides in four combinations are prepared, the types of the pesticides in the rice are determined through support vector machine qualitative analysis, and the concentrations of the pesticides are predicted through partial least squares regression analysis, so that the pesticide residues in the rice can be effectively and rapidly detected.

The invention discloses a method for detecting potential electric leakage defects of an LED device, and relates to the technical field of semiconductor photoelectric device detection. Aiming at the technical pain point that recessive microdefects (such as a metal migration channel caused by a V-shaped pit and dislocation) cannot be identified by the existing single spectroscopic detection, the invention provides a detection logic of reference parameter acquisition, defect stress excitation, parameter acquisition after excitation and differential analysis and judgment. Specific stress is applied to primarily screened qualified products, ion migration at potential defects is excited in an oriented mode, and hidden electric leakage is dominated. Potential defective products are accurately rejected by calculating parameter drift distances (VFL, IR) before and after stress. The method is not only suitable for interactive screens, but also suitable for high-reliability scenes such as vehicle-mounted display and high-end illumination, and can effectively intercept hidden lamp beads causing'caterpillar 'failure or early light attenuation, thereby remarkably improving the product yield and the terminal reliability.

We provide recycled films with a multilayer structure that have high interlayer strength. [Solution] The recycled film comprises a first resin layer and a second resin layer laminated on one side of the first resin layer. The first resin layer contains recycled resin raw material made from a resin molded product having a printed layer. The total light transmittance of the recycled film at a measurement wavelength of 400 nm, as measured by spectrophotometric measurement in accordance with JIS K0115, is less than 85%. The average interlaminar strength between the first resin layer and the second resin layer is 0.55 N / 10 mm or more.

The invention relates to the technical field of nuclear material analysis, in particular to a plutonium solution specific activity determination method and application, and the plutonium solution specific activity determination method comprises the following steps: taking a plutonium solution with known specific activity A1 as a standard solution, determining the liquid flash counting rate of the standard solution, and recording the liquid flash counting rate as C1; obtaining a second-order conductance spectrum of the standard solution by using an ultraviolet-visible absorption spectrum method, determining the peak area of a characteristic absorption peak of tetravalent plutonium in the second-order conductance spectrum of the standard solution, and recording the peak area as S1; measuring the liquid flash counting rate of the to-be-measured solution, and recording the liquid flash counting rate as C2; obtaining a second-order conductance spectrum of the to-be-detected solution by using an ultraviolet-visible absorption spectrometry, determining the peak area of a characteristic absorption peak of tetravalent plutonium in the second-order conductance spectrum of the to-be-detected solution, and recording the peak area as S2; and calculating the specific activity A2 of the solution to be detected according to the following formula. According to the method, liquid scintillation counting and ultraviolet-visible spectrophotometry are combined, so that combination of activity response and concentration response is realized, and acquisition of isotope composition of a plutonium solution to be detected and complex sample pretreatment are not needed.

The invention discloses a multi-parameter control device and method for a reduction-state indigo dye liquor. The device comprises a dye liquor acquisition module, a control module and a control module, wherein the dye liquor acquisition module is used for acquiring a dye liquor sample of the reduction-state indigo dye liquor; the dilution oxidation module is used for converting the reduced indigo blue in the dye liquor sample into the oxidized indigo blue in the dye liquor sample; the titration analysis module is used for automatically judging a titration end point and calculating the concentration of sodium hydrosulfite; automatically judging a titration end point by combining a multi-wavelength spectrophotometry, and calculating the concentration of sodium hydroxide; the optical detection module is integrated with a fixed wavelength light source and an absorbance sensor and is used for detecting the absorbance of the oxidized dye liquor sample and calculating the concentration of indigo through a preset standard curve; the integrated probe module is used for synchronously detecting the pH value, the oxidation-reduction potential and the salt concentration of the dye liquor in real time; and the central control processing module is used for generating a control instruction and controlling the mother liquor added with the reduction-state indigo dye liquor, the sodium hydroxide solution and the sodium hydrosulfite. The method is used for improving the efficiency and the control precision of stability regulation and control of the reduction-state indigo dye liquor.

The invention relates to the technical field of intelligent spectrum sensing, in particular to a pure water quality total chlorine online monitoring method and device based on a spectrophotometric method. The system of the device serves as an integrated intelligent sensing system, and synchronously collects multi-wavelength absorbance, transmission light intensity and light source voltage data of a water sample; analyzing a light intensity fluctuation index based on the light source voltage data to evaluate light source stability; calculating the characteristic deviation degree of the water sample by combining absorbance data and the index; fusing the absorbance, the transmission light intensity and the characteristic deviation degree data to generate a detection credibility index; and finally, independently judging whether the current detection has a misjudgment risk or not according to the credibility. Through multi-dimensional data fusion and embedded intelligent analysis, self-diagnosis and result credibility self-evaluation of the sensing process are realized, and the robustness, reliability and intelligent level of an online monitoring system are remarkably improved.

This invention relates to the field of silkworm cocoon shell antioxidant detection technology, and provides a method for detecting the ABTS free radical scavenging ability of silkworm cocoon shells. The method is based on the ABTS free radical scavenging method and includes a multi-frequency ultrasonic device. The multi-frequency ultrasonic device treats the silkworm cocoon shell with ultrasonic waves at three gradient frequencies, transforming the internal structure of the silkworm cocoon shell from a dense fibrous structure to a porous fibrous structure. The porous fibrous structure of the silkworm cocoon shell comes into contact with the oxidant solution and transfers mass to form a reaction solution. The reaction solution is placed in a quartz cuvette, which is equipped with an ultrasonic transducer and a temperature control module. When detecting the ABTS free radical scavenging ability of silkworm cocoon shells, the quartz cuvette is placed in a spectrophotometer, and the ABTS free radical scavenging rate of the silkworm cocoon shell is obtained by spectrophotometry.

The invention relates to the technical field of material detection, and discloses spectrophotometric method activated carbon iodine adsorption value rapid detection equipment which comprises a box body, a main machine is arranged in the box body, one side of the top of the box body is rotatably connected with a rotating cover, a cover closing prevention mechanism is arranged outside the box body and used for providing gas, and the rotating cover is rotatably connected with the main machine. The cover closing prevention mechanism is arranged outside the box body and can prevent the rotating cover from being closed under the action of gravity after the rotating cover is opened, an air inlet mechanism is arranged outside the cover closing prevention mechanism and is used for automatically feeding air, and a buffering protection mechanism is arranged outside the box body and is used for protecting the box body and the main machine in the box body. The gas in the arc-shaped cylinder can be pumped out when the cover is opened through the cover closing prevention mechanism, so that the impact force generated by suddenly closing the cover or the damage of the host caused by the collision of an object in the box cover and the box cover body to the host can be avoided, the service life of the detection equipment can be prolonged, and the economic loss is avoided.

The invention discloses a method for synchronously measuring the concentration of uranium and thorium in adsorption tail liquid, and belongs to the technical field of analysis and testing. The method for synchronously measuring the concentrations of uranium and thorium in the adsorption tail liquid comprises the following steps: mixing tail liquid to be measured, arsenazo III and a first acid solution to obtain a mixed solution I; under a preset wavelength, carrying out absorbance determination on the mixed solution I by adopting a spectrophotometric method to obtain first absorbance; mixing the mixed solution with a second acid solution to obtain a mixed solution I; under a preset wavelength, carrying out absorbance determination on the mixed solution I by adopting a spectrophotometric method to obtain second absorbance; determining the thorium concentration in the tail liquid to be detected according to the second absorbance; and determining the uranium concentration in the tail liquid to be detected according to the difference between the first absorbance and the second absorbance. The spectrophotometric method is adopted to measure the absorbance of the to-be-measured tail liquid, the concentration of uranium and thorium ions is measured at the same time, the testing precision is high, and operation is easy and convenient.

The invention relates to the technical field of Avicel content detection, and discloses a method for detecting the content of Avicel in budesonide nasal spray, which comprises the following steps: mixing diphenylamine, glacial acetic acid and concentrated hydrochloric acid, uniformly stirring to obtain a derivatization reagent, and mixing the derivatization reagent with a detection aid to obtain a composite derivatization reagent; the preparation method comprises the following steps: uniformly mixing a budesonide nasal spray and a solvent, heating and dissolving until the mixture is completely clarified, cooling to room temperature, and adding deionized water for diluting to obtain a budesonide nasal spray solution; mixing the budesonide nasal spray solution with a composite derivatization reagent, carrying out a derivatization reaction, cooling to room temperature to obtain a to-be-detected sample solution, and determining the absorbance of the to-be-detected sample solution by adopting an ultraviolet visible light spectrophotometric method; and recording the Avicel content according to a linear equation of the absorbance and the Avicel concentration. The method has the advantages of high accuracy, high sensitivity, strong specificity and good linearity and accuracy.

The acetylsalicylic acid hydrolysis kinetics measuring instrument for teaching is constructed based on flow injection spectrophotometry and comprises a carrier liquid storage device and a color development liquid storage device, and the carrier liquid storage device and the color development liquid storage device are connected with a first peristaltic pump and a second peristaltic pump through pipelines respectively; the outlet end of the first peristaltic pump is connected with a multi-way valve through a pipeline, the outlet end of the multi-way valve and the outlet end of the second peristaltic pump are respectively connected with a Y-shaped tee joint through pipelines, and the outlet end of the Y-shaped tee joint is connected with a visible spectrophotometer-flow cell detector through a pipeline; the multi-way valve is also connected with a sample injector and a sample injection waste liquid collecting device; the device has the advantages of being simple in instrument structure, low in cost, rapid to build, low in sample amount, short in online measurement time consumption, accurate in result and high in instrument sharing utilization rate.

This invention discloses a method for preparing hydrogen peroxide using ultra-low temperature photocatalysis. The method includes: adding a photocatalytic material to water or a solution and dispersing it completely, adjusting the pH to obtain a reaction solution; adding O2 to the reaction solution until saturation, and turning on a light source to initiate the photocatalytic reaction; after the reaction, detecting the concentration of H2O2 using potassium iodide-ammonium molybdate spectrophotometry; the photocatalytic material is a semiconductor metal oxide; and the temperature of the photocatalytic reaction is -5 to -60°C. This method significantly increases the reactant concentration by concentrating the catalyst and oxygen in micron-sized intercrystalline water at ultra-low temperatures. Furthermore, the ultra-low temperature allows for rapid desorption of the catalytically generated hydrogen peroxide, inhibiting its decomposition reaction, thereby significantly improving the production of hydrogen peroxide per unit mass and per unit time.

The invention discloses a method for ratio type colorimetric detection of perchlorate. The method comprises the following steps: performing specific surface modification on gold nanoparticles, constructing a methylene blue functionalized gold nanoparticle (MB (at) AuNPs) colorimetric probe, inducing a particle aggregation effect by utilizing specific interaction between perchlorate and MB (at) AuNPs, triggering red shift of a localized surface plasma resonance absorption peak of the probe, and detecting the concentration of the MB (at) AuNPs. And a 523 nm (dispersed state characteristic peak) and 660 nm (aggregation state characteristic peak) dual-wavelength absorption signal is formed. Ratio-type quantitative analysis is realized by calculating the ratio (A660 / A523) of the absorbance of the two wavelengths, and the defect that single-signal detection is easily influenced by environmental fluctuation and system condition change is effectively avoided. Based on the response characteristics, a dual quantitative relation between the ratio of the concentration of the perchlorate to the absorbance and the ratio of the color intensity of an image collected by the smart phone is further established, and an ultraviolet-visible spectrophotometry-smart phone image analysis dual-mode detection system is constructed. Wherein the detection limit of the spectrum detection mode is 2.77 [mu] M, and the detection limit of the smart phone auxiliary detection mode is 5.63 [mu] M. The method is simple and convenient to operate, does not need a large-scale analytical instrument or complex sample pretreatment, has the advantages of good sensitivity, stability and visual discrimination, can quickly realize on-site screening and accurate quantification of perchlorate in water and food samples, and is high in practicability and wide in popularization prospect.

The invention provides an accurate detection method for hydrogen sulfide generated by reaction of solid waste with acid, the method can be used for measuring the amount of hydrogen sulfide gas released by sulfide-containing waste under an acidic condition, and the method has extremely strong applicability especially for special samples containing strong alkaline interferents and high-concentration sulfides in the solid waste. The method comprises the following steps: pretreating a sample; an acidification-blowing-absorption device is built, sulfuric acid is used for acidification, nitrogen is blown out, and a sodium hydroxide solution is used for absorption; verifying whether alkaline interference exists or not; verifying whether hydrogen sulfide is completely released; and measuring the concentration of sulfide in the absorption liquid by spectrophotometry, and further calculating the amount of hydrogen sulfide generated by the reaction of the solid waste to be measured with acid.

The invention provides a method for measuring iodine in a regional geochemical survey sample, and belongs to the technical field of measuring methods. The iodine content in the sample is determined by adopting a spectrophotometric method. The method comprises the following steps: mixing a sample with an Eschka mixed solvent, heating and melting through a program, extracting in a water bath, and fixing the volume; taking supernate, sequentially adding sodium carbonate, acetic acid, tetraalkali and chloramine T solution for color development, and measuring the absorbance in a cuvette with the wavelength of 600nm and the length of 1cm or 3cm. Drawing a standard curve through an iodine standard solution, and calculating the iodine content of the sample according to the absorbance after the blank is deducted. The method is low in detection limit, high in accuracy and good in precision. The method is easy to operate, low in cost, superior to the existing national standard in efficiency, suitable for analysis and test of large-batch geochemical sample iodine and wide in application prospect.

The application belongs to the technical field of analysis and detection, and provides a method for detecting residual polydimethylsiloxane content in engineering bacteria-derived cytidine 5'-diphosphocholine sodium by using ultraviolet-visible spectrophotometry. The detection method provided by the application is mainly based on the coordination reaction of polydimethylsiloxane and chromogenic solution, and uses ultraviolet-visible spectrophotometry to detect the absorbance value of the blue complex product at 621 nm. The detection method solves the problem of high cost of high-end instrument detection, and has the characteristics of high sensitivity, good repeatability and accuracy. Relevant data shows that the relative standard deviation is less than 2.0%, the recovery rate is in the range of 80% to 120%, and RSD is less than or equal to 2%.

This application discloses a reagent and method for detecting low concentrations of methanol in water. The reagent includes reagent A, reagent B, and reagent C. Reagent A is a hydrogen peroxide solution, reagent B is a catalytic stabilizer, and reagent C is a guanidine acid solution. This application utilizes spectrophotometry to determine the methanol concentration in water, with a detection range of 0-20 mg / L and a detection limit of 0.1 mg / L. Its sensitivity is higher than other current spectrophotometric methods for methanol determination, representing a domestic first. It is convenient to operate and suitable for rapid detection of methanol in water.

This invention discloses a method for determining the polyvinyl alcohol (PVA) content in polyvinyl alcohol eye drops. The method includes taking a sample of the PVA eye drops, performing a derivatization-ultraviolet spectrophotometric assay at a wavelength of 675 nm, and calculating the PVA content in the eye drops using the external standard method. This invention is simple to operate, time-saving, labor-saving, easy to master, highly specific, accurate, and precise, providing accurate measurement results and can be used for the determination of PVA content in PVA eye drops.

The invention discloses a method for detecting the content of ammonium sulfate in an ABC dry powder extinguishing agent. The method comprises the following steps: firstly, qualitatively judging whether a sample contains ammonium sulfate or not through X-ray diffraction; determining the total ammonia nitrogen content by adopting a Nessler's reagent spectrophotometric method, determining the ammonium dihydrogen phosphate content by adopting a gravimetric method, and determining the interference component ammonia nitrogen content by adopting an ion chromatography method; and finally calculating the ammonium sulfate content according to nitrogen conservation. According to the method, impurity interference can be effectively eliminated, the detection result is accurate and reliable, the precision is high (RSD is smaller than or equal to 2%), the adding standard recovery rate ranges from 98.50% to 102.44%, the blank of an ammonium sulfate detection method in the national standard is filled, and the method is suitable for quality control and market supervision of the ABC dry powder extinguishing agent.

This Excel-based spectrophotometric water quality calculation table allows inspectors to easily generate parameter and quality control results for tested samples simply by following standard testing procedures and entering raw data. The results comply with industry rounding rules and can be directly used. This calculation table is applicable to calculating the results of spectrophotometric tests with different parameters in water quality testing.

This invention belongs to the field of fine spectral measurement and relates to a highly sensitive fine spectrophotometric method and related system. It includes: acquiring the target signal and reference signal in the sample channel and reference channel, respectively, where the reference signal is a sine wave with the same frequency as the target signal; performing phase-sensitive multiplication on the target signal and reference signal, followed by low-pass filtering to obtain the DC component, and then performing analog-to-digital conversion to obtain a digital quantity; reading the digital quantity and determining whether the phases of the target signal and reference signal in the digital quantity are aligned; if aligned, outputting the sample signal and reference signal; otherwise, using an adaptive phase alignment algorithm to iteratively align the phases of the target signal and reference signal in the digital quantity to obtain the sample signal and reference signal; calculating absorbance and concentration inversion based on the sample signal and reference signal to obtain the iron ion concentration. By combining adaptive phase alignment with a sinusoidal reference signal, the measurement accuracy and detection sensitivity are significantly improved, while reducing system complexity, hardware cost, and power consumption.

Disclosed herein is a hand-held device for spectrophotometry, including a) a housing with an opening for a light beam from a surface into the hand-held device b) an apparatus for determining the remission values of the light beam, and c) an interface for a mobile device providing a signal indicative for the remission values to the mobile device.

Breath liquid particles and vapor are captured in a device presenting a surface and chamber space that condenses or freezes the vapor and aerosol particulates. One or more breaths are exhaled through the device. Capture can be performed on the freezing surface immobilizing water upon contact. The chamber space within the device may freeze liquid breath particles and vapor to collect them. After collection, the liquid is gathered and collected either by draining, pushing, or centrifugal force into a vial. The liquid may be collected and combined with a sample preparation reagent such as a virus lysing reagent, an internal standard, etc. After collection, the sample is analyzed. Analysis may be performed by PCR, qPCR RT-PCR, RT-qPCR, LAMP or any nucleic acid detection method, mass spectrometry, spectrophotometry or any analytical tool or method. Nucleic acid amplification reagents may contain a lysing reagent such as acetonitrile.