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You searched for: Subject "bacterial contamination" Remove constraint Subject: "bacterial contamination"
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1. Effects of hot water spray and sub-zero saline chilling on bacterial decontamination of broiler carcasses

Author:
I. Kang; H.C. Lee; B. Adhikari; S.D. Ha; Y.M. Kwon
Source:
Poultry science 2022 v.101 no.3 pp. 101688
ISSN:
0032-5791
Subject:
bacterial contamination,   etc   ; Escherichia coli; Salmonella; decontamination; genes; microbiome; salmonellosis;     Show all 7 Subjects
Abstract:
... Reduction of Salmonella on poultry carcasses is one way to prevent salmonellosis. The purpose of this research was to evaluate the effects of subzero saline chilling (SSC) with/without hot water spray (HWS) on broiler carcasses prior to chilling for bacterial reduction. Eviscerated broiler carcasses were subjected to water immersion chilling (WIC, 0% NaCl/0.5°C) or SSC (4% NaCl/−2.41°C) with/witho ...
DOI:
10.1016/j.psj.2021.101688

2. MXene–laden bacteriophage: A new antibacterial candidate to control bacterial contamination in water

Author:
Mojtaba Mansoorianfar; Khashayar Shahin; Akbar Hojjati–Najafabadi; Renjun Pei
Source:
Chemosphere 2022 v.290 pp. 133383
ISSN:
0045-6535
Subject:
bacterial contamination,   etc   ; adsorption; antibacterial properties; antibiotics; bacteria; bacteriophages; cell membranes; cell walls; death; detection limit;     Show all 10 Subjects
Abstract:
... In this study, Ti₃C₂ MXene nanofragments with a size distribution of about 20 nm were laden on the well-characterized bacteriophages via electrostatic bonding, introducing a new antibacterial agent as a modified virus vector to be used in high-risk bacterial environment. At > MIC of MXene, the MXene-functionalized bacteriophage would be much more active in attacking the bacteria because of the hig ...
DOI:
10.1016/j.chemosphere.2021.133383

3. The solvent effect modulates the formation of homogeneous polyphenol composite hydrogels with improved transparency and mechanical strength for antibacterial delayed sternal closure films

Author:
Jiahui Xie; Dawei Jin; Jiaqi Qiu; Jingyuan Cui; Meng Yin; Xue Qu
Source:
Journal of materials chemistry B 2022 v.10 no.5 pp. 795-805
ISSN:
2050-7518
Subject:
bacterial contamination,   etc   ; hydrogels; models; polymers; polyphenols; rabbits; rehydration; solvents; strength (mechanics); surgery; tannins; thoracic cavity;     Show all 12 Subjects
Abstract:
... The usage of delayed sternal closure films after thoracotomy surgery helps doctors deal with emergency conveniently. There is a growing demand to develop suturable, antibacterial and transparent films for delayed sternal closure. Although polyphenol incorporated hydrogels provide good suture ability, they lose transparency because of the heterogeneous distribution of polyphenols during the post-im ...
DOI:
10.1039/d1tb02101j

4. Stretchable and fatigue resistant hydrogels constructed by natural galactomannan for flexible sensing application

Author:
Zhe Ling; Junmei Ma; Shuai Zhang; Lupeng Shao; Chao Wang; Jianfeng Ma
Source:
International journal of biological macromolecules 2022 v.216 pp. 193-202
ISSN:
0141-8130
Subject:
bacterial contamination,   etc   ; Escherichia coli; crosslinking; deformation; energy; folic acid; galactomannans; hydrogels; hydrogen bonding; polyacrylamide; strength (mechanics);     Show all 11 Subjects
Abstract:
... Exploration of sustainable and functional materials from biomolecules has received much interest, while the limited mechanical property and possible bacterial contamination were proved to be their major shortages. Here, we proposed novel double network (DN) hydrogels based on galactomannan (GM) polysaccharide as backbone. Folic acid (FA) and polyacrylamide (PAM) were introduced to form hydrogen bo ...
DOI:
10.1016/j.ijbiomac.2022.06.185

5. A universal biosensor utilizing bacteria-initiated in situ growth of electroactive polymers for bacteria-related hazards detection

Author:
Yi Li; Weizhong Li; Yazhi Yang; Fang Bao; Ji Lu; Jinfeng Miao; Yuanyuan Xu
Source:
Biosensors & bioelectronics 2022 v.203 pp. 114030
ISSN:
0956-5663
Subject:
bacterial contamination,   etc   ; Escherichia coli; Staphylococcus aureus; antibiotics; biosensors; electrochemistry; magnetic separation; magnetism; multiple drug resistance; polymerization;     Show all 10 Subjects
Abstract:
... Here, an ultrasensitive and highly selective electrochemical biosensor is engineered by integrating bacteria-initiated click chemistry with in situ growth of electroactive polymers. Leveraging the unique copper-binding redox pathway of bacteria to reduce Cuᴵᴵ to Cuᴵ, Cuᴵ-catalyzed click chemistry is initiated and high-density electroactive ferrocenyl polymers are subsequently generated and efficie ...
DOI:
10.1016/j.bios.2022.114030

6. Infrared thermography can detect previsual bacterial growth in a laboratory setting via metabolic heat detection

Author:
Ben Hunt; Reza Saatchi; Melissa M. Lacey
Source:
Journal of applied microbiology 2022 v.132 no.1 pp. 2-7
ISSN:
1364-5072
Subject:
bacterial contamination,   etc   ; Escherichia coli; Staphylococcus aureus; bacterial growth; cameras; health services; heat; industry; temperature; thermography; ultraviolet radiation;     Show all 11 Subjects
Abstract:
... AIMS: Detection of bacterial contamination in healthcare and industry takes many hours if not days. Thermal imaging, the measurement of heat by an infrared camera, was investigated as a potential noninvasive method of detecting bacterial growth. METHODS AND RESULTS: Infrared thermography can detect the presence of Escherichia coli and Staphylococcus aureus on solid growth media by an increase in t ...
DOI:
10.1111/jam.15218

7. Poly-l-lactic acid (PLLA)/anthocyanin nanofiber color indicator film for headspace detection of low-level bacterial concentration

Author:
Wenbo Li; Wuliang Sun; Lu Jia; Yue Dong; Lingling Wu; Marleny D.A. Saldaña; Wenxiu Sun
Source:
International journal of biological macromolecules 2022 v.215 pp. 123-131
ISSN:
0141-8130
Subject:
bacterial contamination,   etc   ; Escherichia coli; ammonia; anthocyanins; color; contact angle; headspace analysis; humidity; hydrophobicity; microbial detection; nanofibers; physical health;     Show all 12 Subjects
Abstract:
... Since bacterial contamination is a significant threat to humans, early detection is essential to safeguard dietary safety and physical health. Here, a nanofiber color indicator film based on poly-l-lactic acid (PLLA) as the support and anthocyanin as the indicator material was prepared by electrostatic spinning. It was found that the PLLA/0.8CY nanofiber color indicator film was hydrophobic (the w ...
DOI:
10.1016/j.ijbiomac.2022.06.034

8. Biological contamination of the common bean (Phaseolus vulgaris L.) and its impact on food safety

Author:
Thaisa Duarte Santos; Eliana Badiale Furlong
Source:
Critical reviews in food science and nutrition 2022 v.62 no.18 pp. 4998-5004
ISSN:
1549-7852
Subject:
bacterial contamination,   etc   ; Phaseolus vulgaris; beans; crop yield; economic impact; food safety; human health; mycotoxins; risk; thermal stability; toxicity;     Show all 11 Subjects
Abstract:
... The occurrence of biological contaminants in common beans is a challenge for food safety, as they can affect the bean at different points in the production chain. Their presence can result in damage to the health of consumers through their direct toxic effect or by promoting nutritional deficiencies, in addition to decreasing the crop yield that has an economic impact. In this article, the informa ...
DOI:
10.1080/10408398.2021.1881038

9. Real‐time qPCR to evaluate bacterial contamination of cosmetic cream and the efficiency of protective ingredients

Author:
Charlène Bermond; Semcheddine Cherrad; Aurélie Trainoy; Chrisse Ngari; Valérie Poulet
Source:
Journal of applied microbiology 2022 v.132 no.3 pp. 2106-2120
ISSN:
1364-5072
Subject:
bacterial contamination,   etc   ; Burkholderia cepacia; DNA; Pseudomonas aeruginosa; Sphingomonas paucimobilis; bacterial growth; cosmetics; growth retardation; quantitative polymerase chain reaction;     Show all 9 Subjects
Abstract:
... AIMS: The absence of objectionable micro‐organisms in cosmetics and the efficiency of preservatives are still mainly assessed by time‐consuming cultivation‐based methods. We explored the applicability of real‐time quantitative polymerase chain reaction (qPCR) and reported on the behaviour of different bacteria in artificially contaminated creams. METHODS AND RESULTS: Real‐time qPCR on DNA from Bur ...
DOI:
10.1111/jam.15310

10. A natural polysaccharide-based antibacterial functionalization strategy for liquid and air filtration membranes

Author:
Ruonan Wu; Mengkai Song; Dandan Sui; Shun Duan; Fu-Jian Xu
Source:
Journal of materials chemistry B 2022 v.10 no.14 pp. 2471-2480
ISSN:
2050-7518
Subject:
bacterial contamination,   etc   ; Escherichia coli; absorption; aerosols; air; antibiotics; cross infection; dextran; endotoxins; guanidines; liquids; microfiltration; risk; water flow;     Show all 14 Subjects
Abstract:
... Filtration membranes are widely applied in medical fields. However, these membranes are challenged by bacterial contamination in hospitals, which increases the risk of nosocomial infections. Thus, it is significant to develop antibacterial filtration membranes. In this work, an oxidated dextran (ODex)-based antibacterial coating was designed and constructed on microfiltration (MF) membranes and me ...
DOI:
10.1039/d1tb02273c

11. Research Note: Evaluation of the efficacy of engineered water nanostructures in inactivating airborne bacteria in poultry houses

Author:
Jordan Si; Shelley Kirychuk; Yingjie Yang; Myra Martel; Brooke Thompson; Lifeng Zhang; Bernardo Predicala; Huiqing Guo
Source:
Poultry science 2022 v.101 no.2 pp. 101580
ISSN:
0032-5791
Subject:
bacterial contamination,   etc   ; agar; chlorine; disinfection; electric potential difference; electrodes; food safety; hydrogen peroxide; liquids; ozone; pH; potassium; pullets; toxicity;     Show all 14 Subjects
Abstract:
... Methods to control microbial contamination in confined livestock facilities are important to the health of both animals and workers. In addition, bacterial contamination is also a food safety issue. The most common disinfection technique employed in livestock facilities is the application of oxidizing agents (e.g., potassium peroxymonosulphate, chlorine, hydrogen peroxide, ozone). However, these t ...
DOI:
10.1016/j.psj.2021.101580

12. Effect of Hurdle Approaches Using Conventional and Moderate Thermal Processing Technologies for Microbial Inactivation in Fruit and Vegetable Products

Author:
Aswathi Soni; Gale Brightwell
Source:
Foods 2022 v.11 no.12 pp. -
ISSN:
2304-8158
Subject:
bacterial contamination,   etc   ; electric field; enzyme activity; food matrix; fruits; microwave treatment; nutritive value; pasteurization; pathogenicity; shelf life; spoilage; vegetables;     Show all 12 Subjects
Abstract:
... Thermal processing of packaged fruit and vegetable products is targeted at eliminating microbial contaminants (related to spoilage or pathogenicity) and extending shelf life using microbial inactivation or/and by reducing enzymatic activity in the food. The conventional process of thermal processing involves sterilization (canning and retorting) and pasteurization. The parameters used to design th ...
DOI:
10.3390/foods11121811

13. Effect of housing environment and hen strain on egg production and egg quality as well as cloacal and eggshell microbiology in laying hens

Author:
Milan K. Sharma; Christopher D. McDaniel; Aaron S. Kiess; Robert E. Loar; Pratima Adhikari
Source:
Poultry science 2022 v.101 no.2 pp. 101595
ISSN:
0032-5791
Subject:
bacterial contamination,   etc   ; White Leghorn; anaerobes; cloaca; egg production; egg shell; egg shell quality; feed conversion; feed intake; food safety;     Show all 10 Subjects
Abstract:
... This study was conducted to determine the effect of housing environment and laying hen strain on performance, egg quality, and microbiology of the cloaca and eggshell. A total of 1,152 Hy-Line Brown (HB) and Hy-Line W-36 White Leghorn (W-36) hens were used. All hens were kept in conventional cages (CC) from 18 to 32 wk of age and then moved to either enriched colony cages (EC) or free-range (FR) p ...
DOI:
10.1016/j.psj.2021.101595

14. Structure-Element Surface Modification Strategy Enhances the Antibacterial Performance of Zr-BMGs

Author:
Cezhi Du; Yuhe Yang; Lijuan Zheng; Tao Zhang; Xin Zhao; Chengyong Wang
Source:
ACS applied materials & interfaces 2022 v.14 no.7 pp. 8793-8803
ISSN:
1944-8252
Subject:
bacterial contamination,   etc   ; adhesion; antibacterial properties; bacterial adhesion; biocompatibility; copper; crystallization; health services; hydrogen peroxide; medical treatment; nanosilver; nickel; orthopedics;     Show all 13 Subjects
Abstract:
... Zirconium-based metallic glasses (Zr-BMGs) have attracted tremendous attention in healthcare fields, especially in the design of surgical tools and orthopedic implants, due to their unique amorphous structure; however, the application of Zr-BMG-based medical devices is hindered by bacterial contamination. Here, a structure-element strategy is proposed to improve the antibacterial performance of Zr ...
DOI:
10.1021/acsami.1c22544

15. The Pork Meat or the Environment of the Production Facility? The Effect of Individual Technological Steps on the Bacterial Contamination in Cooked Hams

Author:
Helena Veselá; Kateřina Dorotíková; Marta Dušková; Petra Furmančíková; Ondrej Šedo; Josef Kameník
Source:
Microorganisms 2022 v.10 no.6 pp. -
ISSN:
2076-2607
Subject:
bacterial contamination,   etc   ; Enterobacteriaceae; Enterococcus; Leuconostoc carnosum; Leuconostoc gelidum; detection limit; heat treatment; lactic acid; plate count; raw materials; raw meat;     Show all 11 Subjects
Abstract:
... The aim of this study was to analyse the influence of the contamination level of fresh meat on the bacterial population in raw material before cooking and on the microbiota of cooked hams following heat treatment. The effect of incubation temperatures of 6.5 and 15 °C on the results obtained was also evaluated during the bacteriological investigation. The total viable count (TVC), the number of En ...
DOI:
10.3390/microorganisms10061106

16. Isolation and characterization of Staphylococcus argenteus strains from retail foods and slaughterhouses in Japan

Author:
Yuki Wakabayashi; Kohei Takemoto; Satomi Iwasaki; Tomoya Yajima; Akiko Kido; Akiko Yamauchi; Kyoko Kuroiwa; Yuko Kumai; Shizue Yoshihara; Hayato Tokumoto; Kentaro Kawatsu; Mayo Yasugi; Masami Miyake
Source:
International journal of food microbiology 2022 v.363 pp. 109503
ISSN:
0168-1605
Subject:
bacterial contamination,   etc   ; Japan; Staphylococcus aureus; beef; chicken meat; chickens; fish; food microbiology; genes; humans; methicillin; phylogeny; pork; poultry carcasses; slaughterhouses;     Show all 15 Subjects
Abstract:
... Staphylococcus argenteus has been recently established as a novel species of Staphylococcus aureus complex. It is known to cause various human diseases, such as skin and soft-tissue infections, sepsis, and staphylococcal food poisoning, although the source of infection has not been clearly described. In food poisoning cases, the source of bacterial contamination in food is unknown. This study exam ...
DOI:
10.1016/j.ijfoodmicro.2021.109503

17. Isolation and characterization of SGF3, a novel Microviridae phage infecting Shigella flexneri

Author:
Han Lu; Wenbin Xiong; Zong Li; Peihan Yan; Ruyin Liu; Xinchun Liu
Source:
Molecular genetics and genomics 2022 v.297 no.4 pp. 935-945
ISSN:
1617-4615
Subject:
bacterial contamination,   etc   ; Microviridae; Shigella flexneri; antibiotic resistance; bacteriophages; biofilm; genomics; germplasm; host specificity; latent period; molecular genetics; multiple drug resistance; pathogens; phylogeny;     Show all 14 Subjects
Abstract:
... In the context of widespread bacterial contamination and the endless emergence of antibiotic-resistant bacteria, more effective ways to control pathogen infection are urgently needed. Phages become potential bactericidal agents due to their bactericidal specificity and not easy resistance to bacteria. But an important factor limiting its development is the lack of phage species. Therefore, the iso ...
DOI:
10.1007/s00438-022-01883-5

18. Application of an alginate-based edible coating with bacteriocin-producing Lactococcus strains in fresh cheese preservation

Author:
Sofia P.M. Silva; Susana C. Ribeiro; José A. Teixeira; Célia C.G. Silva
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.153 pp. 112486
ISSN:
0023-6438
Subject:
bacterial contamination,   etc   ; Lactococcus lactis; Listeria monocytogenes; alginates; antibacterial properties; bacteriocins; fresh cheeses; glycerol; lactic acid; maltodextrins; pH; titratable acidity; traditional technology; viability;     Show all 14 Subjects
Abstract:
... Edible coatings incorporated with bacteriocin-producing lactic acid bacteria (LAB) can provide an alternative natural preservation method as they can offer an additional microbiological protection to food products. The bacteriocin-producing strains Lactococcus lactis L3A21M1 and Lc. garvieae SJM17 isolated from artisanal Azorean cheeses were incorporated into an edible fresh-cheese coating compose ...
DOI:
10.1016/j.lwt.2021.112486

19. Novel antibacterial polyurethane and cellulose acetate mixed matrix membrane modified with functionalized TiO2 nanoparticles for water treatment applications

Author:
Adnan Ahmad; Aneela Sabir; Sadia Sagar Iqbal; Bassem F. Felemban; Tabinda Riaz; Ali Bahadar; Nazia Hossain; Rafi Ullah Khan; Fawad Inam
Source:
Chemosphere 2022 v.301 pp. 134711
ISSN:
0045-6535
Subject:
bacterial contamination,   etc   ; Escherichia coli; cellulose acetate; methicillin-resistant Staphylococcus aureus; photocatalysis; polyurethanes; strength (mechanics); thermal stability; titanium dioxide; water pollution; water purification; wettability;     Show all 12 Subjects
Abstract:
... Bacterial contamination is one of the leading causes of water pollution. Antibacterial polyurethane/cellulose acetate membranes modified by functionalized TiO₂ nanoparticles were processed and studied. TiO₂ nanoparticles were prepared and ultraviolet (UV) irradiated to activate their photocatalytic activity against Escherichia coli (E. Coil) and Methicillin-resistant Staphylococcus aureus (MRSA) b ...
DOI:
10.1016/j.chemosphere.2022.134711

20. Prevalence, phenotypic and genotypic diversity, antibiotic resistance, and frequency of virulence genes in Pseudomonas aeruginosa isolated from shrimps

Author:
Seyed Majid Hashemi Dehkordi; Seyed Amirali Anvar; Ebrahim Rahimi; Hamed Ahari; Maryam Ataee
Source:
Aquaculture international 2022 v.30 no.1 pp. 131-156
ISSN:
0967-6120
Subject:
bacterial contamination,   etc   ; Pseudomonas aeruginosa; antibiotic resistance; aquaculture; autumn; climate; cold chain; frozen shrimps; genetic variation; multiple drug resistance; phenotype; piperacillin; summer; transportation; viability; virulence; Iran;     Show all 17 Subjects
Abstract:
... Preventive measures should be prioritized for the increased growth of bacterial contamination in aquatic organisms. This study is aimed at molecular investigation of the prevalence of Pseudomonas aeruginosa, antibiotic resistance, and virulence factor encoding genes. After confirmation of P. aeruginosa collected from shrimp samples (in the same size) in Isfahan and Chabahar (Iran) in summer and au ...
DOI:
10.1007/s10499-021-00798-z