multifunctional food safety detector

Multifunctional food safety detector nitrite drug mercury

Multifunctional food safety detector

The multifunctional food safety detector pesticide residue detector is developed according to the national standard GB/T5009.199-2003, which is mainly used for rapid detection of organophosphorus and carbamate pesticides in vegetables, fruits, tea, grain, water and soil, especially suitable for food detection at all levels Institutional laboratories and on-site law enforcement. In addition, it can also be used for on-site testing of fruit and vegetable tea production bases and agricultural wholesale sales markets, and quick testing before processing of fruits and vegetables in restaurants, canteens, and households.

multifunctional food safety detector best
multifunctional food safety detector best

Appearance: 240X128 LED large-screen LCD Chinese display, humanized operation interface, accurate and intuitive readings

Two interface designs of USB and RS232 are used to facilitate data storage and movement, and can be directly connected to the computer at any time to realize data query, browsing, analysis, statistics, printing and information release

High multifunctional food safety detector degree of intelligence: the instrument can automatically diagnose system faults

Automatically save test results, large data storage capacity, built-in micro thermal printer, real-time printing test results
Built-in large-capacity battery, convenient for on-site law enforcement inspection


Food safety issues leading to severe healthy, economic and even social problems and detection of food contaminants has been attracting remarkable attention in recent decades. Surface-enhanced Raman scattering (SERS) is one of the most promising techniques to enable detecting contaminants at trace levels.

Besides, with the emergence of global resource shortages and environmental problems, there is a growing demand for environmentally friendly and renewable resources. As a sustainable and biodegradable raw material, cellulose has aroused great interest and stimulated researchers to develop cellulose-based SERS substrates with novel functions.

multifunctional food safety detector new
multifunctional food safety detector new

Scope and approach
The review focuses on the utilizing of cellulosic materials for the design and preparation of various SERS substrates, including cellulose-papers, cellulose fabrics (CFs) and membranes, cellulose nanofibrils (CNFs), bacterial cellulose (BC), nanocrystalline cellulose (NCC), and surface-modified cellulose. The applications, challenges and potential solutions of these cellulose-based substrates in food safety detection are also presented, proposed and evaluated.

Key findings and conclusions
For the complexity and diversity of multifunctional food safety detector systems, multiple approaches have been successfully employed to manufacture cellulose-based SERS substrates. Various types of cellulose with diverse morphology and mechanical properties make them customizable and integratable with multiple technologies in certain realistic applications.

multifunctional food safety detector view
multifunctional food safety detector view

The explorations of SERS detections displaying excellent performances especially for the complex system/surface analysis with the capability of extraction, swabbing, transferring and concentrating target molecules from complexing food systems. The widespread application and prominent performance demonstrating the huge potential for cellulose-based materials to realize commercially viable, sustainable, flexible and green substrates in the near future.

Food safety is an important issue for both the industry and the consumer. The food supply chain is a multistep process that encompasses production, processing, preservation, packaging, transportation, and consumption.

There are many contaminants that can be introduced to food products at various stages, such as pesticides, toxins, antibiotics, veterinary residues, bacterial pathogens, heavy metals and intentionally yet illegally added substances, posing a significant risk if they are not detected before reaching the consumer (Gillibert et al. 2018; He et al., 2020; Hussain et al., 2020a, 2020b; Wu et al., 2020).

Many novel detection methods including hyperspectral imaging, terahertz spectroscopy, Raman spectroscopy, fluorescence spectroscopy, surface plasmon resonance, enzyme-linked immunosorbent assay, etc. are available (Gillibert et al. 2018; Zong et al. 2018; He et al., 2019; Jayan et al., 2020; Zhou et al., 2020; Zhang et al., 2020, Zhang et al., 2020; Li et al., 2020).

Among them, surface-enhanced Raman scattering (SERS) is one of the most promising techniques to enable detecting contaminants at trace levels (Hussain et al., 2021; Jiang et al., 2019, 2020; Yaseen et al., 2019a).

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