CDC (Centers for Disease Control and Prevention)Laboratory instrumentsequipdemand

···Guangzhou Leo Recommended Solution···

The State Council's Decision on Promoting High Quality Development of Disease Prevention and ControlIn the guidance opinionsKey points mentioned：

1. StrengthenCDC (Centers for Disease Control and Prevention)Core functions:CDC (Centers for Disease Control and Prevention)Add the brand of the Academy of Preventive Medicine,Strengthen scientific research support and technical support capabilities.

2. Strengthen medical careInstitutional disease control function：continuously improveInfectious disease diagnosis, treatment, monitoring, and management in infectious disease hospitals and comprehensive hospitalsAbility and level of testing, training, scientific research, emergency response, etcWait.

32023In the middle of the year, the Chinese Center for Disease Control and Prevention releasedConstruction Standards for Centers for Disease Control and Prevention (Draft for Comments) and Laboratory Equipment Configuration and Management for Disease Control and Prevention Institutions (Draft for Comments).

1About Leo：

Guangzhou Leo Laboratory Technology Co., LtdHeadquartered in Guangzhou, it is a high-tech enterprise specializing in the development and manufacturing of chromatographic mass spectrometry pre-processing instruments and nitrogen generators. The team members have more than ten years of experience in mass spectrometry, pre-processing instruments, and nitrogen generators.

The company independently develops and producesNitrogen generator, solid phase extractorNitrogen blowerRapid solvent extractorWait, and act as a domestic agentbrandOur chromatography-mass spectrometry instruments serve industries such as food, pharmaceuticals, clinical testing, environment, forensic appraisal, and research institutes nationwide.

IIprovincedisease controlcenterSolution to laboratory equipment requirements

理化Department:

1Liquid chromatography-mass spectrometry tandem mass spectrometer

Mainly used for the analysis of low concentration complex matrices and trace organic compounds.

Ø Capable of efficient separation, high sensitivity, fast analysis speed, strong ability to analyze unknown substances, and high universalitywaitfeature

2Solid phase extraction device

forA pre-treatment device designed for food safety, environmental testing, chemical industry, and other fields.

Ø Positive pressure mode extraction,compared tomanualNegative pressure solid-phase extraction deviceGood parallelismHigh recovery rate;

Ø For samples with complex matrices, it greatly saves extraction time;

Ø Up to 4 can be processed at once8Sample size, suitable for 1ml, 3ml, 6ml, 10ml, and 12ml solid-phase extraction columns.

3Rapid solvent extractionsystem

Heating and pressure extraction technology for rapid extraction and purification of organic compounds in solid or semi-solid samples

Ø Sealed treatment, reducing solvent evaporation, environmentally friendly.

Ø Liberate labor, within an eight hour workdayefficienthandle96 samples.

Ø Save energy and costs; Comes with a collection container, no need to transfer the extract,Reduce solvent consumptionAutomatic heating control.

Ø extractionPool support10mL、20mL、40mL、60mL、80mL、100mL、120mL， Customizable according to needs；

4Nitrogen blowing concentrationceremony

Adopting oblique blowing vortex airflow blowing technology to reduce the surface of the samplevaporPressure is applied to rapidly evaporate the sample under water bath heating.

Ø compared toManual nitrogen blowing deviceVortex airflow blowing can prevent liquid splashing and reduce solvent loss; Prepare the sampleFaster evaporation rate, efficient recovery of target substances, and better parallelism.

Ø Unmanned, large volume samplesNitrogen blowing canQuantitative concentration, automatic endpoint detection.

Ø Detachable air vent for easier cleaning and maintenance.

5Sulfur dioxide distiller

Scope of application:Suitable for distillation experiments on sulfur dioxide residues in food and traditional Chinese medicine.

Technical standards:

1) Detection of residual sulfur dioxide in traditional Chinese medicinal materials and decoction pieces in the 2020 edition of the Chinese Pharmacopoeia

2)GB 5009.34-2022 National Food Safety Standard - Determination of Sulfur Dioxide in Food

Product Type:6-way/automatic acid addition；8Joint/automatic acid addition；

6、Nitrogen Generator

LeoonestyleNitrogen generator specially designed forLC-MS (Liquid Chromatography-Mass Spectrometry)Instrument design can be used forSciex、Waters、Agilent、Shimadzu、禾信等The brand provides high-purity nitrogen gas; Meanwhile,forLaboratory nitrogen concentration through blowingDevice providedGas demandEliminate the hassle of frequent replacement of gas cylinders.

Ø excellentStability and low failure rate;

Ø Professional after-sales support team and quick response after-sales service points: Guangzhou, Beijing, Shanghai, Wuhan;

Microbiology Department:

1Microbial identification mass spectrometer

A matrix assisted laser desorption ionization method（MALDI Mass Spectrometry Detection System.

Ø Mainly used in clinical microbial strain identification, protein and peptide analysis, nucleic acid detection, and qualitative analysis of polymers.

Ø It has the advantages of low sample consumables, simple operation, high detection flux, accuracy and reliability, economic speed, high sensitivity, and simple result analysis.

2Automatic nucleic acid extractor

Ø Using a closed experimental chamber,Fully automated operation,Reduce contact between operators and reagents

Ø Complete sample extraction in 5 minutes at the fastest

3Ordinary centrifuge

Laboratory centrifuges include high-speed freeze centrifuge, high-speed desktop centrifuge, low-speed desktop freeze centrifuge, and low-speed desktop centrifuge.

4. Vortex oscillation

Ø Up to 50 samples can be mixed and processed at once.

Ø Optional 1.5/2.0mL、15mL、50mL、100mLEqual specifications to meet the needs of different test tube vortex mixing.

Ø Built in four operation modes: timing, continuous, pulse, and jog, making experiments more convenient and efficient.

5Nucleic acid mass spectrometry analysis system

A product that will weigh multiplePCR and flight timeCombined with mass spectrometryGenetic testing technology.

Application fields:

Ø Infectious disease prevention and control：asIdentification of Mycobacterium tuberculosis and detection of multidrug resistance；

Ø Safe medication guidance:ascardiovascular and cerebrovascularWaiting for chronicdisease；

Ø Precise prevention and treatment of tumors；

Ø Prevention and control of birth defects.

6Zebrafish, aquaculture, operation and analysis system

Demodeled model animals+microfluidicsChip+Knowledge Spectrum (A)IAlgorithm), breaking through traditional zebrafish technology.

Suitable for the research and development stage of industries such as pharmaceuticals, cosmetics, food, and health products.

This system solves several problems:

Ø The fixation of zebrafish, this system has a dedicated chip to fix zebrafish for easy observation;

Ø Observation and testing, using high-definition cameras instead of microscopes, accompanied by specialized analysis software for data analysis, to facilitate the issuance of reports;

Ø High degree of automation brings the advantage of high throughput；

Ø Reduce research and development costs and shorten the research and development cycle.

Thank you for reading. Leo will continue to devote himself to research and development, launch more products and solutions needed by the industry, and strive to become a mass spectrometry solution expert by your side!