Synthesis of Some Polysubstituted Nicotinonitriles and Derived Pyrido[2,3-d]pyrimidines as In Vitro Cytotoxic and Antimicrobial Candidates by Hassan M. Faidallah, Sherif A. F. Rostom, Khalid A. Khan

“…Meanwhile, nineteen compounds were able to exhibit significant antibacterial activity against both Gram-positive and Gram-negative bacteria, together with moderate antifungal activities. …”
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RETRACTED ARTICLE: Novel magnetic organic–inorganic hybrids based on aromatic polyamides and ZnFe2O4 nanoparticles with biological activity by Reza Eivazzadeh-Keihan, Mostafa Ghafori Gorab, Hooman Aghamirza Moghim Aliabadi, Mohammad mahdavi, Ali Reza Akbarzadeh, Ali Maleki, Hossein Ghafuri

“…Also, it has antibacterial ability against gram-positive and gram-negative bacteria. Because the results show that the minimum inhibitory concentration (MIC) of the synthesized polymer for bacteria such as Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, and Pseudomonas aeruginosa ATCC 27853 is in the range of 500–1000 µg/ml. …”
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Assessment of Antioxidant and Antimicrobial Property of Polyphenol-Rich Chitosan-Pineapple Peel Film by Jyoti Jatav, Ayon Tarafdar, Chakkaravarthi Saravanan, Bhaswati Bhattacharya

“…These alcoholic extracts exhibited significant inhibitory zones against both Gram-positive (Bacillus cereus, Staphylococcus aureus) and Gram-negative (Escherichia coli, Salmonella typhimurium) food-borne bacterial strains. …”
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Comparison of Microbiota in Zirconia and Titanium Implants: A Qualitative Systematic Review by Majid Bonyadi Manesh, Neda Vatankhah, Fatemeh Bonyadi Manesh

“…Zirconia implants displayed a higher occurrence of Gram-negative bacteria, such as Tannerella, Aggregatibacter, and Porphyromonas. …”
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Comparison of Prevalence of blaNDM-1 Gene among Metallo-Beta Lactamase-Producing Multidrug-Resistant Fermenters and Nonfermenters in a Tertiary Care Hospital by Shaveta Kataria, Shipra Galhotra, Mohit Kumar, Priyanka Thandi, Neerja Jindal

“…Brief history and related data of the patients was being recorded. The direct Gram staining and samples were inoculated on culture media and incubated at 37°C for 18–24 h. …”
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The Synthesis, Characterization and Biological Activity of Some Metal Ions Complexes with Schiff’s Bases Derived from Reaction of 3-Hydrazone-1,3- Dihydro-Indole-2-One with 2- Pyri... by safa sami Muwafaq, Naser Shaalan

“…The biological activities of the new compounds were valued against Gram-positive (Escherichia coli) and Gram-negative (Staphylococcus aureus). …”
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Diagnostic Study of Pathogenic Bacterial Isolated from Camel’s Pneumonic lungs Slaughtered in Al-Muthanna Province Abattoir, Iraq Using Vitek2 Compactiological approach and Vitek2... by Hayder M Watban, Nabeel M Al-Maaly

“…Additionally, microscopic examination of the bacteria using Gram staining followed by diagnosis with Vitek 2‎ system. …”
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Phytochemical composition and antimicrobial activity of essential oil from the leaves of Peganum harmala L.  in southern Algeria. by Abderrahmane Ghillace, Ourida Chouitah, Fatima Zohra Kiari, Zineb Fergoug, Zineeddine Daikh

“…The essential oils which were tested showed variable degrees of antimicrobial activity. In general, Gram-positive bacteria and fungus were found to be more sensitive to the essential oils than Gram-negative bacteria. …”
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Peroxidase-like activity of citrate-functionalized magnetite nanoparticles augmented its antibacterial potency by Haitham Al-Madhagi, Abd Alraouf Tarabishi, Fatima Al-Zahra Hamsho, Zaher Tahan, Lama Alchab, Wassim Abdelwahed

“…Finally, this nanozyme properties were harnessed for potential antibacterial potency. Gram-positive bacterium Staphylococcus aureus, and Gram-negative bacterium, Escherichia coli, using the Kirby-Bauer disk diffusion method. …”
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Pradofloxacin Minimum Inhibitory Concentration Profiling of <i>Streptococcus suis</i> Isolates: Insights into Antimicrobial Susceptibility in Swine by Jessica Risser, Ronald Tessman, Don Bade, Orhan Sahin, Maria J. Clavijo, Saumya Dhup, Patrick Hoffmann

“…These findings suggest that pradofloxacin has broad-spectrum activity against Gram-positive and Gram-negative bacteria and may serve as a reliable therapeutic option for managing <i>S. suis</i> and other swine respiratory infections. …”
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Anti-Bacterial evaluation of 1,3-Benzodioxole derived imidazolium and pyridinium based ionic liquids by Sagar Panchal, Hitesh Sehrawat, Nisha Yadav, Shipra Chandra, Vivek Mishra, Neera Sharma, Ramesh Chandra

“…In this work we have synthesized 1,3-benzodioxole based ionic liquids using the different fluorides and have evaluated their anti-bacterial properties on Gram negative (-) Escherichia coli and Gram positive (+) Staphylococcus aureus bacterial strains were assessed. …”
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Characterization and metabolomic profiling of endophytic bacteria isolated from Moringa oleifera and Piper betel leaves by V. R. Chavda, S. B. Bhatt, V. R. Umaretiya, H. P. Gajera, S. M. Padhiyar, U. K. Kandoliya, M. V. Parakhia

“…The isolates were characterized morphologically and physio-biochemically, confirming them as gram-positive or gram-negative rods and cocci. Identification using 16S rRNA gene sequencing identified isolates belonging to various genera, including Priestia aryabhattai and Kocuria rhizophila The SEM characterization of the five selected isolates revealed diverse morphological structures, including coccus and rod shapes, organized in various formations. …”
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Synthesis, Characterization, X-Ray Crystal Structure, and Antimicrobial Activity of 1,1′-(3,4-Diphenylthieno[2,3-b]thiophene-2,5-diyl)diethanone by Yahia Nasser Mabkhot, Fahad D. Aldawsari, S. S. Al-Showiman, Assem Barakat, M. Iqbal Choudhary, Sammer Yousuf

“…Compound 4 was found to be active against Gram-positive bacteria (Bacillus subtilis and Staphylococcus pneumoniae) and Gram-negative bacteria (Escherichia coli) and also was found to be active against fungi (Aspergillus fumigatus and Candida albicans).…”
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An Eleven-Year Retrospective Study of Endogenous Bacterial Endophthalmitis by Takashi Nishida, Kyoko Ishida, Yoshiaki Niwa, Hideaki Kawakami, Kiyofumi Mochizuki, Kiyofumi Ohkusu

“…The mean age was 68.5 years. Gram-positive organisms accounted for 76.2%, while gram-negative ones accounted for 19.0%. …”
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Patterns of Antimicrobial Resistance in the Causative Organisms of Spontaneous Bacterial Peritonitis: A Single Centre, Six-Year Experience of 1981 Samples by Sara Sheikhbahaei, Alireza Abdollahi, Nima Hafezi-Nejad, Elham Zare

“…No significant changes in the proportion of gram-negative/gram-positive infections occurred during this period. …”
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Green Synthesis of Silver Nanoparticles Using Catharanthus roseus Flower Extracts and the Determination of Their Antioxidant, Antimicrobial, and Photocatalytic Activity by Mathivathani Kandiah, Kavishadhi N. Chandrasekaran

“…The synthesized AgNPs showed significant antimicrobial activity against Gram-negative Escherichia coli compared to Gram-positive Staphylococcus aureus assayed using the agar well diffusion method. …”
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Antibacterial Activities and In Vitro Anti-Inflammatory (Membrane Stability) Properties of Methanolic Extracts of Gardenia coronaria Leaves by Amin Chowdhury, Shofiul Azam, Mohammed Abdullah Jainul, Kazi Omar Faruq, Atiqul Islam

“…The Methanolic extracts of Gardenia coronaria leaves possessed a broad spectrum antibacterial activity against a variety of both Gram-negative and Gram-positive organisms like Streptococcus agalactiae, Escherichia coli, Pseudomonas aeruginosa, Bacillus cereus, Shigella sonnei, Shigella boydii, and Proteus mirabilis, with a zone of inhibition from 10 to 16 mm. …”
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Molecular properties of the RmlT wall teichoic acid rhamnosyltransferase that modulates virulence in Listeria monocytogenes by Ricardo Monteiro, Tatiana B. Cereija, Rita Pombinho, Thijs Voskuilen, Jeroen D. C. Codée, Sandra Sousa, João H. Morais-Cabral, Didier Cabanes

“…Abstract Wall teichoic acids (WTAs) from the major Gram-positive foodborne pathogen Listeria monocytogenes are peptidoglycan-associated glycopolymers decorated by monosaccharides that, while not essential for bacterial growth, are required for bacterial virulence and resistance to antimicrobials. …”
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Identification and characterization of antibacterial peptides produced by Lactobacillus plantarum 1407 by Silpa Sajan, Rupachandra Saravanan

“…Results: Antibacterial activity and mode of action of peptides isolated from L. plantarum 1407 against gram-positive and gram-negative bacteria have been studied. …”
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Neonatal Septicemia in Nepal: Early-Onset versus Late-Onset by Shamshul Ansari, Hari Prasad Nepal, Rajendra Gautam, Sony Shrestha, Puja Neopane, Moti Lal Chapagain

“…Acinetobacter species (9.5%) was the predominant Gram-negative organism followed by Klebsiella pneumoniae (7.7%). …”
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