Rapid, accurate, and sensitive analytical methods for the detection of food fraud are now an urgent requirement in the global food industry to ensure food quality. In response to this demand, a centrifugal integrated purification-CRISPR array for meat adulteration (CIPAM) was established. In detail, CIPAM system combines microneedles for DNA extraction and RAA-CRISPR/Cas12a integrated into a centrifugal microfluidic chip for the detection of meat adulteration. The RAA-CRISPR/Cas12a reaction reagents were pre-embedded into the different reaction chambers on the microfluidic chip to achieve the streamline of operations, markedly simplifying the detection process. The whole reaction was completed within 30 min with a detection limit of 0.1 % (w/w) in pig, chicken, duck, and lamb products. Referring to the results of the standard method, CIPAM system achieved 100 % accuracy. The automatic multiplex detection process implemented in the developed CIPAM system met the needs of food regulatory authorities.
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http://dx.doi.org/10.1016/j.foodchem.2024.138507 | DOI Listing |
Med Biol Eng Comput
September 2024
Department of Systems Design Engineering, Physics, and Electrical and Computer Engineering, University of Waterloo, Waterloo, ON, N2L3G1, Canada.
Mobile health apps are widely used for breast cancer detection using artificial intelligence algorithms, providing radiologists with second opinions and reducing false diagnoses. This study aims to develop an open-source mobile app named "BraNet" for 2D breast imaging segmentation and classification using deep learning algorithms. During the phase off-line, an SNGAN model was previously trained for synthetic image generation, and subsequently, these images were used to pre-trained SAM and ResNet18 segmentation and classification models.
View Article and Find Full Text PDFFood Chem
June 2024
Department of Food Science & Engineering, College of Life Science and Technology, Jinan University, Guangzhou 510632, China. Electronic address:
AMB Rev Assoc Med Bras
December 1991
Centro Integrado de Proteção à Atividade Manual, São Paulo.
The workman's hand is a "tool"; it is his most valuable asset. Worker selection and training, associated with a preventional approach, by employee and employer, humanises work and makes it more effective. The rate of hand injuries in the city of São Paulo is very high (of the order of 500 cases per day) and its aggregate cost is extremely high.
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