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Ammar, A. S. M., and M. M. Abdel-Razik, "Quality characteristics of gluten free cake produced from cassava, pumpkin and potato flours", J. Food and Dairy Sci., Mansoura Univ., , vol. 8, issue 4, pp. 401-412, 2013.
Mohsen, S. M., F. S. El-Hashimy, A. A. Hussein, and E. M. El-Hamzy, "The quality characteristics of grapefruit juice as affected by method of extraction and maturity stage", Annals of Agricultural Science, Moshtohor (Egypt), 1989. Abstract
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Ammar, A. S. M., E. - S. A. A. El-Hady, and M. M. A. El-Razik, "Quality characteristics of low fat meat balls as affected by date seed powder, wheat germ and pumpkin flour addition", PAK. J. FOOD SCI., , vol. 24, issue 4, pp. 175-185, 2014.
Mohsen, S. M., M. Murkovic, M. Elnokety, and T. G. Mohamed, Quality characteristics of Mango pulp as affected by Ohmic heating process, , 2013. Abstract
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El Hashimy, F. S., S. M. Mohsen, A. A. Hussein, and E. M. El Hamzy, "The quality characteristics of orange juice as affected by method of extraction and stage of maturity.", Annals of Agricultural Science, Moshtohor, 1989. Abstract
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Ahmed Abdel-Hamid Zahran, R. A. H., and E. S. S. Ayman, "Quality Characteristics of ‘Zaghloul’ Date Fruits During Cold Storage as Affected by Postharvest Irradiated Chitosan Treatments", Journal of Horticultural Science and Ornamental Plants, vol. 7, issue 2: IDOSI Publications, pp. 71-79, 2015. Abstract
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Aboutabl, E. A., M. S. Khader, R. E. Elshemy, and M. O. N. A. M. OKBA, "Quality Control Criteria of Volatile Ingredients in Certain Mouthwash Products in the Egyptian Market", Egyptian Journal of Chemistry, vol. 63, pp. 4493 - 4501, 2020. ejchem-volume_63-issue_11-_page_4493-4501.pdf
Babour, A. J., S. A. Mazen, and M. N. El-Deen, Quality control measurements for GIS Data, , 2007. Abstract

Geographic Information System (GIS) is one of the fastest growing technologies in the world. Its ability to analyze spatial data is impressive. Data is the backbone of GIS because its quality range affects the results of the application so one of the most important problems in GIS is how to choose the GIS (data), which suits the application requirements and user needs exactly and in the best way among set of data to avoid wrong outputs and any lose in time and money

Choucry, M. A., M. M. Shabana, N. E. L. M. Fiki, and I. A. Shehata, "Quality Control OF A Sedative Herbal Drug.", Bulletin OF Faculty OF pharmacy, Cairo-University., vol. 40 , issue (1), pp. P.215-221, 2002.
El-Shamy, A. M., M. A. KOHEIL, F. i. fathy, and M. M. Sabry, "Quality control of certain Egyptian traditional anticough herbal preparations", Egyptian journal of biomedical sciences, vol. 22, pp. 191-206, 2004.
Choucry, M. A., M. M. Shabana, N. E. L. M. Fiki, and I. A. Shehata, Quality Control OF Certain Sedative Phytomedicines., , Cairo, Cairo, 2000.
M.A. Abdel Kawy, E. G. Haggag, A. A. A. Motaal, and N. A. Eissa, "Quality Control of Certain Slimming Herbal Products Present in the Egyptian Markt", Life Science Journal, vol. 9, issue 3, pp. 2273 - 2285, 2012. nermeen_paper.pdf
Abdelaal, S. H., N. F. El Azab, S. A. Hassan, and A. M. El-Kosasy, "Quality control of dietary supplements: An economic green spectrofluorimetric assay of Raspberry ketone and its application to weight variation testing", Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy, vol. 261: Elsevier, pp. 120032, 2021. Abstract
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, "Quality control of mass-produced GEM detectors for the CMS GE1/1 muon upgrade", Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 1034: Elsevier, pp. 166716, 2022. Abstract
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, "Quality Control Profile of Two Herbal Teas Used in Egypt for Hepatobiliary Disorders", Bull. Fac. Pharm. Cairo Univ., vol. 41, issue 2, pp. 93-98, 2003.
Sheraba, N. S., A. S. Yassin, M. R. Diab, and H. H. Zedan, "Quality control testing for tracking endotoxin producing Gram negative bacteria during ‎the preparation of polyvalent snake antivenom immunoglobulin. ‎", PDA J.Pharm.Sci.Tech. , vol. 69, pp. 499-510, 2015.
Sheraba, N. S., M. R. Diab, A. S. Yassin, M. A. Amin, and H. H. Zedan, "Quality Control Testing for Tracking Endotoxin-Producing Gram-Negative Bacteria during the Preparation of Polyvalent Snake Antivenom Immunoglobulin.", PDA journal of pharmaceutical science and technology / PDA, vol. 69, issue 4, pp. 499-510, 2015 Jul-Aug. Abstract

UNLABELLED: Snake bites represent a serious public health problem, particularly in rural areas worldwide. Antitoxic sera preparations are antibodies from immunized animals and are considered to be the only treatment option. The purification of antivenom antibodies should aim at obtaining products of consistent quality, safety, efficacy, and adherence to good manufacturing practice principles. Endotoxins are an integral component of the outer cell surface of Gram-negative bacteria. They are common contaminates of the raw materials and processing equipment used in the manufacturing of antivenoms. In this work, and as a part of quality control testing, we establish and examine an environmental monitoring program for identification of potential sources of endotoxin-producing Gram-negative bacteria throughout the whole steps of antivenom preparation. In addition, we follow all the steps of preparation starting from crude plasma till finished product using a validated sterility and endotoxin testing.Samples from air, surface, and personnel were collected and examined through various stages of manufacturing for the potential presence of Gram-negative bacteria. A validated sterility and endotoxin test was carried out in parallel at the different production steps. The results showed that air contributed to the majority of bacterial isolates detected (48.43%), followed by surfaces (37.5%) and then personnel (14%). The most common bacterial isolates detected were Achromobacter xylosoxidans, Ochrobactrum anthropi, and Pseudomonas aeruginosa, which together with Burkholderia cepacia were both also detected in cleaning water and certain equipment parts. A heavy bacterial growth with no fungal contamination was observed in all stages of antivenom manufacturing excluding the formulation stage. All samples were positive for endotoxin including the finished product.Implementation and continued evaluation of quality assurance and quality improvement programs in aseptic preparation is essential in ensuring the safety and quality of these products.

LAY ABSTRACT: Antitoxic sera preparations are the only treatment option for snake bites worldwide. They are prepared by immunizing animals, usually horses, with snake venom and collecting horse plasma, which is then subjected to several purification steps in order to finally prepare the purified immunoglobulins. Components of the bacterial cell wall known as endotoxins can constitute a potential hazardous contamination known as pyrogen in antisera, which can lead to fever and many other adverse reactions to the person subjected to it.In this work, we monitored the environment associated with the different steps of production and purification of snake antivenom prepared from immunized horses. We examined the air quality, surface, and personnel for possible sources of contamination, particularly the presence of Gram-negative bacteria, which is the major source of endotoxin presence. We also monitored all stages of preparation by sterility and endotoxin testing. Our results showed that air contributed to the majority of bacterial isolates. Sterility testing revealed the presence of bacterial contamination in all the intermediate steps, as only the final preparation after filtration was sterile. Endotoxin was present in all tested samples and the final product. Good manufacturing practice procedures are essential in any facility involved in antisera production.

A.S., A., S. A. Aziz, and I. G. Farahat, "Quality cost analysis, applying the concept to biobanks.", International Society of Biological and Environmental Repositories annual meeting, Phoenix, Arizona, United Sates of America, 8 May, 2015.
Hassan, H. E., and H. A. Badawy, "Quality detection of heating corn oil using visible and invisible light", Misr J. of Agric. Eng., vol. 27, issue 2, pp. 613 – 627, 2010.
Hassan, N. S. A., and E. M., "Quality evaluation of green beans as affected by blanching, canning and freezing .", Zagazig J. Agric. Res., vol. 14, no. (5A), pp. 2175–2193, 1992. Abstract
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El-Akel, A. T., M. M. El-Nikeety, and A. A. Baioumy, "Quality evaluation of low fat beef burger using the orange albedo as a partial fat replacer", journal of food industries and nutrition sciences, vol. 2, pp. 207-215, 2012.
Hassan, H. E., A. E. El-Raie, A. E. - R. Abd El-Raouf Ahmed, M. A. Salam Nawito, and S. R. Ali, "Quality evaluation of sesame oil during pantry storage using laser technique", CIGR Journal, vol. 20, issue 2, pp. 1188- 195, 2019.
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