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421
Clinical Characteristics and Optimization of Empirical Antimicrobial Therapy for Febrile Neutropenia in Patients With Hematologic Malignancies
Published 2025-02-01“…These include increased prevalence of multidrug-resistant (MDR) bacteria and changes in the distribution of Gram-negative or Gram-positive bacteria (GPB). The study aims to update and optimize empirical treatment strategies for hematological malignancy (HM) patients, a population particularly vulnerable to these evolving threats.Methods: A literature review was conducted on studies published between January 2010 and December 2023 regarding empirical treatment of FN in HM patients, focusing on pathogen characteristics, treatment regimens, and duration of therapy.Results: Approximately one-third of HM patients with FN experience fever of unknown origin (FUO), while 40– 50% have clinically documented infections (CDI), and 10– 30% present with microbiologically documented infections (MDI), with a predominance of Gram-negative bacteria (GNB). …”
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422
Infectious Risk of the Hospital Environment in the Center of Morocco: A Case of Care Unit Surfaces
Published 2020-01-01“…The burn unit recorded a percentage of 70% contamination (p value <0.001), 13% for the sterilization service, and 7% for the operating room. 89% of the isolates were identified as Gram-positive bacteria against 11% for fungi (p value <0.001). …”
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423
Toward the Development of Large-Scale Word Embedding for Low-Resourced Language
Published 2022-01-01“…There exist some approaches for word embedding that consider co-occurrence and word frequency, such as Matrix Factorization, skip-gram, hierarchical-structure regularizer, and noise contrastive estimation. …”
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424
Antibacterial Potential of Secondary Metabolites from Indonesian Marine Bacterial Symbionts
Published 2020-01-01“…Two of the bacteria (RS3 and RC4) showed strong antibacterial activities against both Gram-negative and Gram-positive bacteria. A number of isolates (RS1, RS3, and RC2) were co-cultured with mycolic acid-containing bacteria, Mycobacterium smegmatis or Rhodococcus sp. …”
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425
Antibacterial Mechanisms of Constituents from Galla chinensis Revealed by Experimental and Virtual Screening-Based Studies
Published 2024-01-01“…However, very few substances have been found to be active against Gram-negative bacteria. This study aimed to identify antimicrobial activity substances against Gram-negative bacteria from fourteen TCMs. …”
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426
Airborne Escherichia coli bacteria biosynthesize lipids in response to aerosolization stress
Published 2025-01-01“…Abstract Gram-negative bacteria pose an increased threat to public health because of their ability to evade the effects of many antimicrobials with growing antibiotic resistance globally. …”
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427
Na-TiNT Nanocrystals: Synthesis, Characterization, and Antibacterial Properties
Published 2022-01-01“…Synergistic effects against Gram-positive S. aureus 10 and Gram-negative P. aeruginosa 15 bacteria were observed when the Na-TiNT was associated with gentamicin, reducing the concentration of this antibiotic that is required to inhibit bacterial growth. …”
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428
Microbial Diversity and Antibiotic Susceptibility Pattern of Bacteria Associated with Motorcycle Helmets
Published 2020-01-01“…Tetracycline, gentamycin, and cotrimoxazole were the most effective antibiotics for Gram-positive isolates, whereas Gram-negative isolates were sensitive towards imipenem and ciprofloxacin. …”
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429
Biosynthesized ZnO NPs loaded-electrospun PVA/sodium alginate/glycine nanofibers: synthesis, spinning optimization and antimicrobial activity evaluation
Published 2025-01-01“…Results revealed that NF formula coded AS3.3; composed of (10%PVA/1.5%SA/10%CA/0.75%ZnO/0.5% glycine), in contrast to all the other formulations examined; showed marked reduced percentages of biofilm development of both Gram-positive and Gram-negative bacteria in relation to fungal cells. …”
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430
Dermatologic Adverse Events Following Afatinib in a Woman with Non-Small-Cell Lung Cancer: A Case Report
Published 2025-01-01“…Microscopic examination with Gram smear from periungual skin showed polymorphonuclear cells (PMNs) and Gram-positive cocci bacteria. …”
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431
GC-MS Profiling and Therapeutic Potentials of Prosopis juliflora (Sw.) DC: Cytotoxic and Antimicrobial Insights
Published 2024-01-01“…The antibacterial effect of the plant extracts was evaluated against four standard Gram-positive and four standard Gram-negative. The antimicrobial potential was observed only against Staphylococcus aureus which recorded a 14.5 ± 0.05 mm inhibition zone. …”
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432
A Catheter-Related Bloodstream Infection by Brevibacterium casei in a Child with Acute Myeloid Leukemia: Case Report and Literature Review
Published 2021-01-01“…The most common organisms isolated from pediatric catheter-related bloodstream infections (CRBSIs) are Gram-positive cocci, such as coagulase-negative staphylococci and Staphylococcus aureus. …”
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433
Photocatalytic Degradation of Methylene Blue and Antibacterial Activity of Mesoporous TiO2-SBA-15 Nanocomposite Based on Rice Husk
Published 2021-01-01“…Besides, TiO2-SBA-15 could effectively inhibit the growth of Gram-positive and Gram-negative bacteria. These results offer a practical and economic approach in the environmental management industries.…”
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434
Structural, Optical, Antibacterial, and Anticancer Properties of Cerium Oxide Nanoparticles Prepared by Green Synthesis Using Morinda citrifolia Leaves Extract
Published 2022-01-01“…Our CeO2 NPs expressed strong antibacterial effects against Gram-positive S. aureus and S. pneumonia in addition to Gram-negative E. coli and K. pneumonia when compared with amoxicillin. …”
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435
Deniz Ekosisteminde Bakteriyel Roller; Türkiye Denizleri Örneği
Published 2020-12-01“…Bu çalışmada 2000-2016 yılları arasında Türkiye Denizlerinden farklı çalışmalar kapsamında aseptik koşullarda toplanan deniz suyu örneklerinden izole edilen ve stoklanan Gram nega-tif, Gram pozitif ve Bacilli bakteri izolatlarının metabolik özellikleri bakterilerin substratlara karşı verdikleri reaksi-yon açısından değerlendirilerek, coğrafik olarak heterotrofik aktivite farklılıkları tanımlanmıştır. …”
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436
Effect of Rearing Density of ”Dumbo” Catfish (Clarias sp.) Fry on Production in the Controlled Nitrogen Culture System by Adding Wheat Powder
Published 2007-07-01“…"Dumbo" catfish fry of 12-day old in average body weight of 0.046±0.006 gram and length of 1.7±0.9 cm were reared for 28 days in density of 400, 800 and 1200 fish/m2. …”
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437
Speckled-egg staining appearance of cryptococcal osteomyelitis in an immunocompetent patient
Published 2025-01-01“…Our case was unique given that it occurred in a patient who appeared to be immunocompetent and the Gram stain showed a speckled-egg staining pattern that alone was not distinctive for cryptococcal yeasts. …”
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438
Infections Caused by Actinomyces neuii: A Case Series and Review of an Unusual Bacterium
Published 2016-01-01“…Actinomyces neuii is a Gram-positive bacillus rarely implicated in human infections. …”
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439
Comparing multivalent cross-linked Sodium Alginate/ Montmorillonite beads containing Curcumin or Cayenne Pepper as drug carriers and their antimicrobial resistance
Published 2024-12-01“…Simulated intestinal fluid (pH 7.3) and gastric fluid (pH 1.2) at 37°C were used for comparison in swelling studies. Gram-positive S. aureus and Gram-negative E. coli were used for antimicrobial resistance comparison of the multivalent microbeads containing curcumin and cayenne pepper. …”
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440
The Antibacterial Activities of Secondary Metabolites Derived from Streptomyces sp.
Published 2022-12-01“…Moreover, the antibacterial activities of these compounds were effective on numerous gram-positive and gram-negative bacteria. Furthermore, 46% and 54% of the selected studies were focused on inhibiting MDR and nonMDR pathogens, respectively. …”
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