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Journal articles on the topic 'Bacterial hazard'

Author: Grafiati

Published: 5 June 2025

Last updated: 15 July 2025

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1

Asraf, S. Sheik, P. Pavithra, R. Muneeswari, Athira Rajan, S. Ramya, and V. Jaya Surya. "Bacterial Colonization in Computer Keyboards Posses Health Hazard." International Journal of Recent Technology and Engineering (IJRTE) 10, no. 5 (2022): 1–3. http://dx.doi.org/10.35940/ijrte.f8547.0110522.

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Computer keyboards of a teaching laboratory were examined and bacteria were isolated from computer keyboards. The subsequent tests were done for the bacterial isolates: methyl red, vogus proskaur, citrate utilization, urease and TSI. This study paves the way to look at an inanimate object like computer keyboard as potential reservoir of bacteria.

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S., Sheik Asraf, Pavithra P., Muneeswari R., Rajan Athira, Ramya S., and Jaya Surya V. "Bacterial Colonization in Computer Keyboards Posses Health Hazard." International Journal of Recent Technology and Engineering (IJRTE) 10, no. 5 (2022): 1–3. https://doi.org/10.35940/ijrte.F8547.0110522.

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Computer keyboards of a teaching laboratory were examined and bacteria were isolated from computer keyboards. The subsequent tests were done for the bacterial isolates: methyl red, vogus proskaur, citrate utilization, urease and TSI. This study paves the way to look at an inanimate object like computer keyboard as potential reservoir of bacteria.

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Schirmer, Abigail, Renard Sessions, Nikolaus Gravenstein, et al. "Isolation gowns as a potential work hazard." Annals of Work Exposures and Health 64, no. 6 (2020): 596–603. http://dx.doi.org/10.1093/annweh/wxaa047.

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Abstract Objectives Isolation gowns are used as a barrier to bacterial transmission from patient to provider and vice versa. If an isolation gown is ineffective, the patient and provider have a potential breach of safety and increased infection risk. This study compared the bacterial permeability of differently rated, commonly uses isolation gowns to assess their effectiveness in preventing simulated bacterial transmittance, and thus contamination, from patient to provider. Methods Serial dilutions of Staphylococcus epidermidis in sterile saline were applied to a simulated skin surface. Unrate

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Ali, Zainab Haider, Wurood Hamzah Muttaleb, and Lubna Abdulazeem. "Anti-Bacterial Action of Silver Nanoparticles Against MDR Bacteria Isolated from Hospital." International Journal of Medical Science and Dental Health 10, no. 10 (2024): 93–99. http://dx.doi.org/10.55640/ijmsdh-10-10-11.

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Hospital-associated infections (HAIs) are considered to be a major source of infections in patients, especially in patients with permanently impaired immunity. There is alarming increase of multi drug resistant (MDR) bacteria and Antibacterial medication resistance has been deemed a serious hazard to public health by the World Health Organisation (WHO). The study aimed to isolate and identify main bacteria caused nosocomial infection, and trying to treatments by using nanoparticles. By measuring the antibacterial activity of the synthesised AgNPs using the agar disc diffusion technique, AgNPs

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Okotto-Okotto, Joseph, Diogo Trajano Gomes da Silva, Emmah Kwoba, et al. "Effect of Inter-Observer Variation on the Association between Contamination Hazards and the Microbiological Quality of Water Sources: A Longitudinal Study." International Journal of Environmental Research and Public Health 17, no. 24 (2020): 9192. http://dx.doi.org/10.3390/ijerph17249192.

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Sanitary risk inspection protocols are often used to identify contamination hazards at water sources; however, different observers sometimes struggle to record hazards consistently. This study aimed to assess the effect of inter-observer variation in hazard observations on the strength of relationships between observed hazards and the bacterial contamination of water sources, particularly relationships with animal-related hazards. In a longitudinal study, five surveyors independently recorded hazards at 93 water sources used by 234 households in Siaya County, Kenya, in both wet and dry seasons

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Pan, Cheng, Binbin Zhu, and Chenxu Yu. "A Dual Immunological Raman-Enabled Crosschecking Test (DIRECT) for Detection of Bacteria in Low Moisture Food." Biosensors 10, no. 12 (2020): 200. http://dx.doi.org/10.3390/bios10120200.

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Among the physical, chemical and biological hazards that could arise with respect to food safety, bacterial contamination has been one of the main concerns in recent years. Bacterial contamination in low moisture foods (LMFs) was an emerging threat which used to draw less attention as LMFs were considered at low risk of such a hazard. Bacteria can survive in low moisture environments and cause foodborne diseases once they enter the digestive system. Common detection methods such as ELISA and PCR are not well suited to LMFs, as most of them operate under aqueous environments. In this study, a D

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Andi, Darma Kartini, Amqam Hasnawati, and Djajakusli Rafael. "Hazard Analysis Critical Control Point (HACCP) in Nutritional Installation of Hasanuddin University Hospital Makassar." International Journal of Science and Healthcare Research 4, no. 3 (2019): 32–38. https://doi.org/10.5281/zenodo.3933329.

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Hazard Analysis Critical Control Point (HACCP) is a management system used to protect food from physical, chemical and biological hazards. This study tried to analyze HACCP in foods at the Hospital Nutrition Installation. This research method uses observational design using quantitative and qualitative descriptive analysis. The Monitoring Sheet is used to see the application of HACCP in Nutrition Installation. Laboratory tests are carried out on food and cutlery to study pathogenic bacteria. This research was conducted at the Nutrition Installation of Hasanuddin University Hospital, Makassar T

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Bilska, Agnieszka, Krystian Wochna, Małgorzata Habiera, and Katarzyna Serwańska-Leja. "Health Hazard Associated with the Presence of Clostridium Bacteria in Food Products." Foods 13, no. 16 (2024): 2578. http://dx.doi.org/10.3390/foods13162578.

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Clostridium bacteria were already known to Hippocrates many years before Christ. The name of the Clostridium species is owed to the Polish microbiologist, Adam Prażmowski. It is now known that these Clostridium bacteria are widespread in the natural environment, and their presence in food products is a threat to human health and life. According to European Food Safety Authority (EFSA) reports, every year, there are poisonings or deaths due to ingestion of bacterial toxins, including those of the Clostridium spp. The strengthening of consumer health awareness has increased interest in consuming

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KHAN, ADNAN, and MUDASSAR IMRAN. "OPTIMAL DOSING STRATEGIES AGAINST SUSCEPTIBLE AND RESISTANT BACTERIA." Journal of Biological Systems 26, no. 01 (2018): 41–58. http://dx.doi.org/10.1142/s0218339018500031.

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Mathematical models can be very useful in determining efficient and successful antibiotic dosing techniques against bacterial infections. There are several challenging issues involved, the presence of drug resistant bacteria being one. Recent rise in antibiotic resistant strains of bacteria is a grave public health hazard, hence there is a need to develop dosing protocols taking into account the presence of these resistant strains. In this study, we consider a model for antibiotic treatment of a bacterial infection where the bacteria are divided into two sub-populations: susceptible and resist

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Wang, Shengqi, and Hua Qian. "Health risk assessment of airborne bacteria and fungi in different-type buildings in Kunming, a typical temperate Chinese city." E3S Web of Conferences 356 (2022): 05073. http://dx.doi.org/10.1051/e3sconf/202235605073.

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The risk assessment of airborne bacteria and fungi between different-type buildings located in temperate climate zone is still unclear. We applied the culturable method to characterize the airborne bacteria and fungi in 10 residences, 1 school, 2 office buildings, 1 hospital, and 1 library during winter in Kunming, China. In a total of 79 rooms, 152 culturable microbial samples were investigated. Results showed that there were significant disparities in bacterial concentrations among various types of buildings. The highest culturable bacterial concentration was found in residences, while the l

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Betensky, Rebecca A., Theresa Calvelli, and Savita Pahwa. "Predictive Value of CD19 Measurements for Bacterial Infections in Children Infected with Human Immunodeficiency Virus." Clinical Diagnostic Laboratory Immunology 6, no. 2 (1999): 247–53. http://dx.doi.org/10.1128/cdli.6.2.247-253.1999.

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ABSTRACT We investigated the predictive value of CD19 cell percentages (CD19%) for times to bacterial infections, using data from six pediatric AIDS Clinical Trials Group protocols and adjusting for other potentially prognostic variables, such as CD4%, CD8%, immunoglobulin (IgA) level, lymphocyte count, prior infections, prior zidovudine treatment, and age. In addition, we explored the combined effects of CD19% and IgG level in predicting time to infection. We found that a low CD19% is associated with a nonsignificant 1.2-fold increase in hazard of bacterial infection (95% confidence interval:

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Dreier, Jens, Tanja Vollmer, and Knut Kleesiek. "Novel Flow Cytometry–Based Screening for Bacterial Contamination of Donor Platelet Preparations Compared with Other Rapid Screening Methods." Clinical Chemistry 55, no. 8 (2009): 1492–502. http://dx.doi.org/10.1373/clinchem.2008.122515.

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Abstract Background: Bacterial contamination is the major infectious hazard associated with transfusion of platelet preparations (PLTs). Routine testing for bacterial contamination in PLTs has become common, but transfusion-transmitted bacterial sepsis has not been eliminated. Here, we describe a novel flow cytometry–based method for point-of-issue screening of PLTs for bacterial contamination. Methods: We used the BactiFlow flow cytometer to detect and count bacteria based on esterase activity in viable cells. We compared the assay to incubation (BacT/Alert culture system) and rapid nucleic a

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PALUMBO, SAMUEL A. "Is Refrigeration Enough to Restrain Foodborne Pathogens?" Journal of Food Protection 49, no. 12 (1986): 1003–9. http://dx.doi.org/10.4315/0362-028x-49.12.1003.

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Holding foods at 5°C has traditionally been viewed as adequate to restrain the growth of foodborne pathogens. However, a group of “new” foodborne pathogens has emerged, some of which are capable of competitive growth at 5°C in foods. Bacteria fitting this criterion include Clostridium botulinum type E, Yersinia enterocolitica, enterotoxigenic Escherichia coli, Listeria monocytogenes and Aeromonas hydrophilia. A second area discussed is the effect of low temperature (5°C) on survival of foodborne pathogens. Both Campylobacter jejuni and Brucella survive for longer periods at 5°C compared to 25

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Manjengwa, Francis, Tamuka Nhiwatiwa, Elijah Nyakudya, and Petronella Banda. "Fish from a polluted lake (Lake Chivero, Zimbabwe): a food safety issue of concern." Food Quality and Safety 3, no. 3 (2019): 157–67. http://dx.doi.org/10.1093/fqsafe/fyz015.

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Abstract Objectives A study to determine food safety hazard status of fish products from Lake Chivero was conducted in selected high density suburbs of Harare. Lake water and fish were tested for E. coli O157:H7, total bacterial, fungal counts, mercury (Hg) and aflatoxin B1 (AFB1) to determine contamination levels and assessing human health hazard exposure. Materials and Methods Membrane filtration method was used to determine E. coli O157:H7 viable counts using CHROM agar. Plate count and Potato dextrose agar were used for determination of total viable bacterial and fungal counts. Concentrati

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Christiansen, Nicole A., Kirstie A. Fryirs, Timothy J. Green, and Grant C. Hose. "Microbial communities of upland peat swamps were no different 1 year after a hazard reduction burn." International Journal of Wildland Fire 29, no. 11 (2020): 1021. http://dx.doi.org/10.1071/wf20023.

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Fire in wetlands is poorly understood, yet hazard reduction burns are a common management practice and bushfires are becoming increasingly prevalent because of climate change. Fire may have long-lasting implications for the microbial component of these wetland ecosystems that regulate carbon and nutrient cycling. The extremely fire-prone Blue Mountains World Heritage Area in south-eastern Australia contains hundreds of endangered peat-forming upland swamps that regularly experience both bushfires and hazard reduction burns. In a before–after control–impact study, we surveyed the sediment micr

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Bui, Linh D. P. "Making polymer membranes immobilized with phosphate solubilizing bacteria to produce controlled release fertilizer in combination with microorganisms." Journal of Agriculture and Development 02 (April 29, 2019): 105–11. http://dx.doi.org/10.52997/jad.13.02.2019.

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The combination of slow-release nutrients with microbial activities in a fertilizer product could increase the fertilizer's efficiency, and limit the impact of chemical hazard of fertilizer on the environment. The aim of this research was to determine the optimal parameters for adequate size of immobilized bacterial particles, mechanical properties of polyvinyl alcohol (PVA) and chitosan membranes with or without integrating of immobilized bacterial particles to produce slow release fertilizer. The result showed that the combination of 1% sodium alginate concentration (molecular weight of 100

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Vasilev, Dragan, and Ilija Vukovic. "Hazard analysis and possibilities for preventing botulism originating from meat products." Veterinarski glasnik 62, no. 5-6 (2008): 317–28. http://dx.doi.org/10.2298/vetgl0806317v.

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The paper presents the more important data on the bacteria Clostridium botulinum, the appearance of botulism, hazard analysis and the possibilities for preventing botulism. Proteolytic strains of C.botulinum Group I, whose spores are resistant to heat, create toxins predominantly in cans containing slightly sour food items, in the event that the spores are not inactivated in the course of sterilization. Non-proteolytic strains of Group II are more sensitive to high temperatures, but they have the ability to grow and create toxins at low temperatures. Type E most often creates a toxin in vacuum

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Pawłowska, Barbara, Arkadiusz Telesiński, Marcin Sysa, Agnieszka Godela, Radomír Ščurek, and Robert Biczak. "Ibuprofen and Ketoprofen—Inert Drugs or Potential Environmental Hazard?" Sustainability 15, no. 2 (2023): 1613. http://dx.doi.org/10.3390/su15021613.

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Ibuprofen (IBU) and ketoprofen (KET) are among the world’s most popular and widely used nonsteroidal anti-inflammatory drugs (NSAIDs). Due to their high usage, these drugs have entered the environment, including the soil, and, like any other chemical compound, can have a negative effect on it. Therefore, an attempt was made to evaluate the effects of these two popular drugs on soil bacteria and fungi, the bivalve crustaceans (Heterocipris incongruens) and the growth and development of spring barley. The tested drugs did not show any negative effects on the total bacterial abundance. Effects we

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Han, Hong Jun, Shi Yi Zheng, Wen Cheng Ma, et al. "The Current Situation and Treatment and Disposal Techniques of Antibiotic Bacterial Residues in China." Applied Mechanics and Materials 587-589 (July 2014): 820–23. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.820.

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China is the largest antibiotic producer, producing a large amount of antibiotic bacterial residues classified to hazard wastes in 2008. It is urgent to find suitable techniques to dispose antibiotic bacterial residues for pharmaceutical enterprises. In this paper, the characteristics of antibiotic bacterial residues are discussed and the current situation and treatment and disposal techniques are summarized, including the technology of composting, incineration, feed stuff, landfill and energy regeneration and so on. In the last, the future development trend of dealing with antibiotic bacteria

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IGBINOSA, E. O., and J. Z. GWAFAN. "DETECTION OF PATHOGENIC BACTERIA RECOVERED FROM COCKROACHES (PERIPLANETA AMERICANA L. DICTYOPTERA; BLATTIDAE) IN HOUSEHOLD BENIN CITY." Nigerian Journal of Life Sciences (ISSN: 2276-7029) 6, no. 1 (2022): 120–25. http://dx.doi.org/10.52417/njls.v6i1.298.

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In the present study we assessed the presence of bacteria pathogen fromcockroaches (Periplaneta americana) in different household and their surroundingsin Benin City, Nigeria. A total of seventy-five cockroaches (Periplaneta americana)were collected randomly from 10 different household between June and July, 2013.Standard culture-based procedures were used for the isolation and identification ofthe bacterial pathogen. The bacterial pathogen was isolated from the externalsurfaces of the cockroaches examined. The external surface of the homogenaterevealed that cockroaches are potential carriers

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Green, Macauley J., Jonathan W. Aylott, Paul Williams, Amir M. Ghaemmaghami, and Philip M. Williams. "Immunity in Space: Prokaryote Adaptations and Immune Response in Microgravity." Life 11, no. 2 (2021): 112. http://dx.doi.org/10.3390/life11020112.

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Immune dysfunction has long been reported by medical professionals regarding astronauts suffering from opportunistic infections both during their time in space and a short period afterwards once back on Earth. Various species of prokaryotes onboard these space missions or cultured in a microgravity analogue exhibit increased virulence, enhanced formation of biofilms, and in some cases develop specific resistance for specific antibiotics. This poses a substantial health hazard to the astronauts confined in constant proximity to any present bacterial pathogens on long space missions with a finit

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Kundu, Diponkar, Nasir Uddin Badhon, A. H. M. Iftekharul Ferdous, et al. "Optimized PCF architectures for THz detection of aquatic pathogens: Enhancing water quality monitoring." PLOS ONE 20, no. 1 (2025): e0317533. https://doi.org/10.1371/journal.pone.0317533.

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Waterborne bacteria pose a serious hazard to human health, hence a precise detection method is required to identify them. A photonic crystal fiber sensor that takes into account the dangers of aquatic bacteria has been suggested, and its optical characteristics in the THz range have been quantitatively assessed. The PCF sensor was designed and examined as computed in Comsol Multiphysics, a program in which uses the method of “Finite Element Method” (FEM). At 3.2 THz operating frequency, the proposed sensor performs better than the others in all tested cases, with a high sensitivity of 96.78% f

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Banawas, Saeed S., Ahmed S. Alobaidi, Turki M. Dawoud, et al. "Prevalence of Multidrug-Resistant Bacteria in Healthcare-Associated Bloodstream Infections at Hospitals in Riyadh, Saudi Arabia." Pathogens 12, no. 9 (2023): 1075. http://dx.doi.org/10.3390/pathogens12091075.

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Bloodstream infection (BSI) prevalence in hospitalized patients has increased owing to the spread of antibiotic-resistant pathogens; moreover, antimicrobial resistance in bacteria is a global problem. Here, BSIs are investigated in several patients at a hospital in Saudi Arabia, and the resistance of bacterial isolates to widely used drugs is determined. Throughout 2020, bacteria isolated from patients were identified and subjected to antibiotic susceptibility testing. In total, 1125 bacterial isolates were obtained from 1039 patients; among them, gram-positive bacteria were significantly more

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Brągoszewska, Ewa, Izabela Biedroń, and Wojciech Hryb. "Microbiological Air Quality and Drug Resistance in Airborne Bacteria Isolated from a Waste Sorting Plant Located in Poland―A Case Study." Microorganisms 8, no. 2 (2020): 202. http://dx.doi.org/10.3390/microorganisms8020202.

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International interests in biological air pollutants have increased rapidly to broaden the pool of knowledge on their identification and health impacts (e.g., infectious, respiratory diseases and allergies). Antibiotic resistance and its wider implications present us with a growing healthcare crisis, and an increased understanding of antibiotic-resistant bacteria populations should enable better interpretation of bioaerosol exposure found in the air. Waste sorting plant (WSP) activities are a source of occupational bacterial exposures that are associated with many health disorders. The objecti

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Sorger, George J., and James S. Quinn. "Tetracycline-resistant coliforms in the effluent of the main sewage treatment plant in Hamilton, Ontario — do they have a common ancestral strain?" Canadian Journal of Microbiology 56, no. 7 (2010): 558–68. http://dx.doi.org/10.1139/w10-041.

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Sewage, a major source of bacterial contamination of the environment, can be an important health hazard. The presence of antibiotic-resistant bacteria in sewage can exacerbate this problem. The sources of antibiotic-resistant bacteria in sewage are, for this reason, worth identifying and addressing. The bacterial flora in the effluent of the Woodward Avenue Wastewater Treatment Plant (WAWTP) in Hamilton, Ontario, Canada, contains many antibiotic-resistant coliforms. Here we ask, are the antibiotic resistance genes in the coliforms in the effluent of WAWTP descended from a recent common ancesto

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Guptill, Virginia, Xizhong Cui, Alfia Khaibullina, et al. "Disruption of the Transient Receptor Potential Vanilloid 1 Can Affect Survival, Bacterial Clearance, and Cytokine Gene Expression during Murine Sepsis." Anesthesiology 114, no. 5 (2011): 1190–99. http://dx.doi.org/10.1097/aln.0b013e318212515b.

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Background Previous studies suggest that the transient receptor potential vanilloid 1 (TRPV1) channel has a role in sepsis, but it is unclear whether its effect on survival and immune response is beneficial or harmful. Methods We studied the effects of genetic (Trpv1-knockout vs. wild-type [WT] mice) and pharmacologic disruption of TRPV1 with resiniferatoxin (an agonist) or capsazepine (an antagonist) on mortality, bacterial clearance, and cytokine expression during lipopolysaccharide or cecal ligation and puncture-induced sepsis. Results After cecal ligation and puncture, genetic disruption o

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Man, Adrian, Andrei Şerban Gâz, Anca Delia Mare, and Lavinia Berţa. "Effects of low-molecular weight alcohols on bacterial viability." Revista Romana de Medicina de Laborator 25, no. 4 (2017): 335–43. http://dx.doi.org/10.1515/rrlm-2017-0028.

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Abstract Alcohol based solutions are among the most convenient and wide spread aid in the prevention of nosocomial infections. The current study followed the efficacy of several types and isomers of alcohols on different bacterial species. Seven alcohols (ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert-butyl alcohol, and ethylene glycol) were used to evaluate their minimal inhibitory and bactericidal effects by microdilution method on bacteria that express many phenotypical characteristics: different cell-wall structure (Gram positive/negative bacteria), capsule production (Klebsiella pn

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Li, Hui, Hongyu Yang, Alejandro Calderón-Urrea, et al. "Microbial Fertilization Improves Soil Health When Compared to Chemical Fumigation in Sweet Lily." Journal of Fungi 8, no. 8 (2022): 847. http://dx.doi.org/10.3390/jof8080847.

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Lanzhou Lily(Lilium davidii) var. unicolor, which is also known as sweet lily in China, is used as a type of food. This lily is distributed in narrow regions, propagates asexually, cultivates perennially, and cultivates commonly in serious consecutive replant problems (CRPs). Soil fumigation is commonly used to control soil-borne disease to alleviate crops’ consecutive replant problems (CRPs). However, due to the improper fumigation application, it is common to cause chemical hazard to crops. In this study, we designed a two-factor experiment to explore the bacterial and fungal community struc

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Kaleem Ullah, Mohammed, Sowmya Malamardi, Jayaraj Biligere Siddaiah, et al. "Trends in the Bacterial Prevalence and Antibiotic Resistance Patterns in the Acute Exacerbation of Chronic Obstructive Pulmonary Disease in Hospitalized Patients in South India." Antibiotics 11, no. 11 (2022): 1577. http://dx.doi.org/10.3390/antibiotics11111577.

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Exacerbation due to antimicrobial-drug-resistant bacteria among chronic obstructive pulmonary disease (AECOPD) patients contributes to mortality and morbidity. We examined the prevalence of the bacterial organisms and trends in drug resistance in AECOPD. In this retrospective study, between January 2016 to December 2020, among 3027 AECOPD patients, 432 (14.3%) had bacteria isolated. The regression and generalized estimating equations (GEE) were used for trends in the resistance patterns over five years, adjusting for age, gender, and comorbidities. Klebsiella pneumoniae (32.4%), Pseudomonas ae

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Artono, Artono, Nyilo Purnami, and Rosydiah Rahmawati. "BIOFILM BACTERIA PLAYS A ROLE IN CSOM PATHOGENESIS AND HAS SIGNIFICANT CORRELATION WITH UNSAFE TYPE CSOM." Folia Medica Indonesiana 51, no. 4 (2016): 208. http://dx.doi.org/10.20473/fmi.v51i4.2846.

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Chronic suppurative otitis media (CSOM) may cause severe morbidity and mortality and remains a major health problem worldwide. The incidence of CSOM in Indonesia (1994-1996) is estimated at about 8.36 million people and CSOM general prevalence is 3.8% (Helmi 2005). This study aims to prove the existence of bacterial biofilm in patients with safe type and hazard type CSOM from mastoidectomy. The design was observational analytic with cross sectional approach. This study was conducted at the Teratai Wards, IBP Dr. Soetomo Hospital, and Electron Microscopy Unit, Faculty of Medicine, Airlangga Uni

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Barkham, T., and M. B. Taylor. "Sniffing Bacterial Cultures on Agar Plates: a Useful Tool or a Safety Hazard?" Journal of Clinical Microbiology 40, no. 10 (2002): 3877. http://dx.doi.org/10.1128/jcm.40.10.3877.2002.

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Dudchik, N. V., S. I. Sychik, O. E. Nezhvinskaya, et al. "Bacterial profiles and phenotypic biomarkers of microbiota isolates in habitat: hazard identification factors." Health Risk Analysis, no. 2 (June 2020): 92–100. http://dx.doi.org/10.21668/health.risk/2020.2.10.

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Dudchik, N. V., S. I. Sychik, O. E. Nezhvinskaya, et al. "Bacterial profiles and phenotypic biomarkers of microbiota isolates in habitat: hazard identification factors." Health Risk Analysis, no. 2 (June 2020): 92–100. http://dx.doi.org/10.21668/health.risk/2020.2.10.eng.

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McHugh, J., R. Wong, and J. Keenan. "A Hazard of undiagnosed diabetes with benign prostatic hyperplasia: bilateral endogenous bacterial endophthalmitis." Eye 21, no. 3 (2006): 432–33. http://dx.doi.org/10.1038/sj.eye.6702586.

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Adán, Pacifuentes Orozco, Daniela León Ortiz Eva, Espinoza Santana Armando, et al. "Isolation of Multidrug-Resistant Bacteria as an Independent Mortality Factor in Patients with Suspected Sepsis at National Medical Center of the West." INTERNATIONAL JOURNAL OF MEDICAL SCIENCE AND CLINICAL RESEARCH STUDIES 03, no. 12 (2023): 3041–52. https://doi.org/10.5281/zenodo.10376998.

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<strong>Introduction:</strong> In the changing epidemiological landscape sepsis corresponds to one of the main causes of in-hospital mortality, in third level care units the presence of multidrug resistant bacteria to antimicrobials correspond to a severe health problem, there are studies in intensive care units on mortality related to the appearance of multidrug resistant bacteria in cultures, however infection by multidrug resistant bacteria can appear at any instant of hospital stay which can become an independent risk factor for the appearance of mortality.   <strong>Aims:</stron

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Temesgen, Muluneh, Abera Kumalo, Takele Teklu, Getachew Alemu, and Desta Odoko. "Bacterial Profile and Their Antimicrobial Susceptibility Pattern of Isolates Recovered from Intensive Care Unit Environments at Wachemo University Nigist Ellen Mohammed Memorial Comprehensive Specialized Hospital, Southern Ethiopia." Canadian Journal of Infectious Diseases and Medical Microbiology 2023 (September 15, 2023): 1–13. http://dx.doi.org/10.1155/2023/1216553.

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Background. Bacterial contamination of indoor hospitals, especially in intensive care units is a serious health hazard in the world with a high morbidity and mortality rates. Particularly, multidrug-resistant bacteria can cross-contaminate medical devices, inanimate surfaces, health care providers, and patients in the intensive care unit. This study was aimed to assess the bacterial profile and their antimicrobial susceptibility patterns of bacterial isolates from intensive care unit at WUNEMMCSH (Wachemo University Nigest Ellen Mohammed Memorial Compressive Specialized Hospital), Southern Eth

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Sihtmäe, Mariliis, Jüri Laanoja, Irina Blinova, Anne Kahru, and Kaja Kasemets. "Toxicity of Silver–Chitosan Nanocomposites to Aquatic Microcrustaceans Daphnia magna and Thamnocephalus platyurus and Naturally Luminescent Bacteria Vibrio fischeri." Nanomaterials 14, no. 14 (2024): 1193. http://dx.doi.org/10.3390/nano14141193.

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All novel materials should be analyzed for their potential environmental hazard. In this study, the toxicity of different silver–chitosan nanocomposites—potential candidates for wound dressings or antimicrobial surface coatings—was evaluated using environmentally relevant aquatic microcrustaceans Daphnia magna and Thamnocephalus platyurus and naturally luminescent bacteria Vibrio fischeri. Three silver-chitosan nanocomposites (nAgCSs) with different weight ratios of Ag to CS were studied. Citrate-coated silver nanoparticles (nAg-Cit), AgNO3 (ionic control) and low molecular weight chitosan (LM

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Peled, Jonathan U., Sean M. Devlin, Anna Staffas, et al. "Intestinal Microbiota and Relapse After Hematopoietic-Cell Transplantation." Journal of Clinical Oncology 35, no. 15 (2017): 1650–59. http://dx.doi.org/10.1200/jco.2016.70.3348.

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Purpose The major causes of mortality after allogeneic hematopoietic-cell transplantation (allo-HCT) are relapse, graft-versus-host disease (GVHD), and infection. We have reported previously that alterations in the intestinal flora are associated with GVHD, bacteremia, and reduced overall survival after allo-HCT. Because intestinal bacteria are potent modulators of systemic immune responses, including antitumor effects, we hypothesized that components of the intestinal flora could be associated with relapse after allo-HCT. Methods The intestinal microbiota of 541 patients admitted for allo-HCT

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Mohammed, B., and A. U. Muhammad. "Antibiotic resistance patterns of salmonella typhi isolated from ready-to-eat vegetable salads hawked in Kano Metropolis." Bayero Journal of Pure and Applied Sciences 12, no. 2 (2021): 74–80. http://dx.doi.org/10.4314/bajopas.v12i2.10.

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A total of 200 samples of Ready – to – Eat (RTE) vegetable salads were aseptically purchased randomly from hawkers in eight Local Governments of Kano State, Nigeria. The aerobic mesophilic bacterial count was conducted according to standard techniques. Samples were further screened for S. Typhi and C. jejuni using standard procedures. Isolates of the two bacterial species were subjected to antibiotic sensitivity testing using Kirby Buer disk diffusion technique. The total aerobic bacteria count ranged from 1.200x105 to 1.70x105 cfu/g. A total of 36 bacterial isolates from the RTE vegetables we

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Massicotte-Azarniouch, David, Manish M. Sood, Dean A. Fergusson, Michaël Chassé, Alan Tinmouth, and Greg A. Knoll. "Blood transfusion and the risk for infections in kidney transplant patients." PLOS ONE 16, no. 11 (2021): e0259270. http://dx.doi.org/10.1371/journal.pone.0259270.

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Background Receipt of a red blood cell transfusion (RBCT) post-kidney transplantation may alter immunity which could predispose to subsequent infection. Methods We carried out a single-center, retrospective cohort study of 1,258 adult kidney transplant recipients from 2002 to 2018 (mean age 52, 64% male). The receipt of RBCT post-transplant (468 participants transfused, total 2,373 RBCT) was analyzed as a time-varying, cumulative exposure. Adjusted cox proportional hazards models were used to calculate hazard ratios (HR) for outcomes of bacterial or viral (BK or CMV) infection. Results Over a

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BAGH, BIDISHA, KALYAN DAS, and SANTANU RAY. "ENDEMIC FLUOROSIS THROUGH DRINKING WATER AND ITS REMEDIAL MEASURE BY BACTERIAL POPULATION — A MATHEMATICAL MODEL." Journal of Biological Systems 14, no. 01 (2006): 31–41. http://dx.doi.org/10.1142/s0218339006001660.

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Fluoride-contaminated drinking water is a serious public health hazard in some parts of India. Field surveys have been conducted in fluoride-affected areas of the Birbhum district, West Bengal, India. From these surveys, it is found that in certain locations the drinking water contains less fluoride (within the permissible limit1) than in adjoining areas. We have isolated a strain of Streptococcus species from these wells that has the ability to remove the fluoride ion from the water. We have grown the bacteria in different concentrations of fluoride and monitored the decline in the free fluor

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Mojtaba Mohammadzadeh Vazifeh, Erfan Aghajani, Negin Shokrollahzadeh, Helia Rahmati, and Nakisa Sohrabi Haghdoost. "Prevalence and identification of Bacillus species in cellophane, foil, and disposable plastic containers used for food packaging." Al Mustansiriyah Journal of Pharmaceutical Sciences 24, no. 4 (2024): 435–42. http://dx.doi.org/10.32947/ajps.v24i4.1196.

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Background: Foil, cellophane, and disposable plastic containers are commonly employed in food packaging, namely as coatings on food items. Nevertheless, the existence of microbes on the surface and inside the internal composition of these materials gives rise to concerns, as they have the capacity to multiply under ideal circumstances and spread to food items, thereby jeopardizing the safety and quality of the food. Objective: This study aimed at examining the number of microorganisms and identifying specific bacterial species within frequently used food packaging materials like foil, cellopha

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Nyangena, Dorothy N., Christopher Mutungi, Samuel Imathiu, et al. "Effects of Traditional Processing Techniques on the Nutritional and Microbiological Quality of Four Edible Insect Species Used for Food and Feed in East Africa." Foods 9, no. 5 (2020): 574. http://dx.doi.org/10.3390/foods9050574.

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Edible insects are increasingly being considered as food and feed ingredients because of their rich nutrient content. Already, edible insect farming has taken-off in Africa, but quality and safety concerns call for simple, actionable hazard control mechanisms. We examined the effects of traditional processing techniques—boiling, toasting, solar-drying, oven-drying, boiling + oven-drying, boiling + solar-drying, toasting + oven-drying, toasting + solar-drying—on the proximate composition and microbiological quality of adult Acheta domesticus and Ruspolia differens, the prepupae of Hermetia illu

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Qin, Yulong, Rongrong Xiong, Yong Zhao, Zhaohuan Zhang, and Yachang Yin. "An Integrated PMA Pretreatment Instrument for Simultaneous Quantitative Detection of Vibrio parahaemolyticus and Vibrio cholerae in Aquatic Products." Foods 14, no. 13 (2025): 2166. https://doi.org/10.3390/foods14132166.

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Traditional hazard identification techniques for Vibrio parahaemolyticus often neglect the distinction between viable and nonviable bacteria in aquatic products, leading to overestimated disease risks and uncertainties in risk assessments. To address this limitation, we developed an automated PMA pretreatment instrument that integrates dark incubation and photo-crosslinking into a unified workflow, allowing customizable parameters such as incubation time, light exposure duration, and mixing speed while maintaining stable temperatures (<±1 °C fluctuation) to preserve bacterial DNA integrity.

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Lauer, Antje, Joe Baal, Susan Mendes, et al. "Valley Fever on the Rise—Searching for Microbial Antagonists to the Fungal Pathogen Coccidioides immitis." Microorganisms 7, no. 2 (2019): 31. http://dx.doi.org/10.3390/microorganisms7020031.

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The incidence of coccidioidomycosis, also known as Valley Fever, is increasing in the Southwestern United States and Mexico. Despite considerable efforts, a vaccine to protect humans from this disease is not forthcoming. The aim of this project was to isolate and phylogenetically compare bacterial species that could serve as biocontrol candidates to suppress the growth of Coccidioides immitis, the causative agent of coccidioidomycosis, in eroded soils or in areas close to human settlements that are being developed. Soil erosion in Coccidioides endemic areas is leading to substantial emissions

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ZWIRZITZ, BENJAMIN, STEFANIE U. WETZELS, ISABEL RABANSER, et al. "Culture-Independent Evaluation of Bacterial Contamination Patterns on Pig Carcasses at a Commercial Slaughter Facility." Journal of Food Protection 82, no. 10 (2019): 1677–82. http://dx.doi.org/10.4315/0362-028x.jfp-19-103.

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ABSTRACT Traditionally, the microbiological status of meat is determined by culture-based techniques, although many bacteria are not able to grow on conventional media. The aim of this study was to obtain quantitative data on total bacterial cell equivalents, as well as taxa-specific abundances, on carcass surfaces during pig slaughter using quantitative real-time PCR. We evaluated microbial contamination patterns of total bacteria, Campylobacter, Escherichia coli, Lactobacillus group, Listeria monocytogenes, Salmonella, and Pseudomonas species throughout slaughtering and on different carcass

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Øvrebotten, Tarjei, Birgitte Tholin, Kristian Berge, Peder Langeland Myhre, and Knut Stavem. "Cardiac events and procedures following COVID-19 compared with other pneumonias: a national register study." Open Heart 12, no. 1 (2025): e002914. https://doi.org/10.1136/openhrt-2024-002914.

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BackgroundStudies have shown an increased risk of cardiac disease following COVID-19, but how it compares to pneumonia of other etiologies is unclear.AimsTo determine the incidence and HRs of cardiac disease in patients hospitalised with COVID-19 compared with other viral or bacterial pneumonias.MethodsUsing nationwide registry data, we estimated the incidence of cardiac events after hospitalisation with COVID-19 (n=2082) in February to November 2020 vs hospitalisation with viral (n=9018) or bacterial (n=29 339) pneumonia in 2018–2019. We defined outcomes using ICD-10 codes for incident myocar

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Pierce, Rebecca, Kristina Bryant, Alexis Elward, Justin Lessler, and Aaron M. Milstone. "Bacterial Infections in Neonates Following Mupirocin-Based MRSA Decolonization: A Multicenter Cohort Study." Infection Control & Hospital Epidemiology 38, no. 8 (2017): 930–36. http://dx.doi.org/10.1017/ice.2017.108.

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OBJECTIVETo characterize the risk of infection after MRSA decolonization with intranasal mupirocin.DESIGNMulticenter, retrospective cohort study.SETTINGTertiary care neonatal intensive care units (NICUs) from 3 urban hospitals in the United States ranging in size from 45 to 100 beds.METHODSMRSA-colonized neonates were identified from NICU admissions occurring from January 2007 to December 2014, during which a targeted decolonization strategy was used for MRSA control. In 2 time-to-event analyses, MRSA-colonized neonates were observed from the date of the first MRSA-positive surveillance screen

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Oyewole, Omoniyi Samuel, Daniel Adeiza Balogun, Abdul-Zahir Olamide Alao, et al. "QUALITY ASSESSMENT AND SAFETY OF COMMERCIALLY SOLD STEAK MEAT “SUYA” IN IBADAN METROPOLIS: A MENACE TO PUBLIC HEALTH." FUDMA JOURNAL OF SCIENCES 8, no. 4 (2024): 120–29. http://dx.doi.org/10.33003/fjs-2024-0804-2596.

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The study evaluated the quality and safety of suya—a popular ready-to-eat meat—produce in Ibadan, Nigeria. Suya samples were analyzed from four local government areas: Ibadan North-West (SB), Ibadan North (BD), Oluyole (NG), and Egbeda (EG). The microbial analysis showed significant contamination, with total bacterial counts exceeding recommended limits. Although coliform bacteria were absent, but the presence of Staphylococcus aureusin samples from BD and SB highlighted evidence of poor hygiene. Additionally, Salmonella typhi and Pseudomonas aeruginosa were detected in BD samples, posing food

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ALI, ABDULLA A., and NICK J. SPENCER. "Hazard Analysis and Critical Control Point Evaluation of School Food Programs in Bahrain." Journal of Food Protection 59, no. 3 (1996): 282–86. http://dx.doi.org/10.4315/0362-028x-59.3.282.

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Hazard analyses were conducted in six food preparation sites and 16 school canteens in the State of Bahrain. Sandwiches made with cheese, meat, eggs, liver, and beef burgers were prepared in small shops or a bakery outside schools. Foods were cooked between 4 and 5 a.m. Time-temperature exposure during cooking was adequate to kill vegetative microbes and their spores, but potential for recontamination existed from the hands of food workers, utensils, and cloths and sponges used for wiping. All foods were left at room temperature before they were transported in vans to schools where they were a

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