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1.
Heliyon ; 9(12): e22823, 2023 Dec.
Artículo en Inglés | MEDLINE | ID: mdl-38076082

RESUMEN

Numerous research studies have highlighted the exponential growth of malware attacks worldwide, posing a significant threat to society. Cybercriminals are becoming increasingly merciless and show no signs of pity towards individuals or organizations. It is evident that cyber criminals will stop at nothing to gain unauthorized access to confidential information. To effectively combat malware attacks, strict cyber laws are necessary, and the use of malware is punishable in many countries. However, the literature has not addressed whether these penalties create deterrence or not. This research article has addressed this gap. In this study, the effectiveness of criminal laws related to malware-related crimes in various jurisdictions was analyzed using the doctrinal research methodology. The cyber laws of the USA, UK, Ethiopia, Pakistan, and China were examined to determine whether the penalties imposed for these crimes are appropriate given the severity of the harm caused. The study concludes that malware penalties should take into account the creation or use of malicious code, targeting individuals or organizations, and the magnitude of consequences, regardless of whether mens rea is present or not.

2.
Transbound Emerg Dis ; 68(3): 1625-1638, 2021 May.
Artículo en Inglés | MEDLINE | ID: mdl-32954666

RESUMEN

Infecting millions of people, the SARS-CoV-2 is evolving at an unprecedented rate, demanding advanced and specified analytic pipeline to capture the mutational spectra. In order to explore mutations and deletions in the spike (S) protein - the most-discussed protein of SARS-CoV-2 - we comprehensively analyzed 35,750 complete S protein-coding sequences through a custom Python-based pipeline. This GISAID-collected dataset of until 24 June 2020 covered six continents and five major climate zones. We identified 27,801 (77.77% sequences) mutated strains compared to reference Wuhan-Hu-1 wherein 84.40% of these strains mutated by only a single amino acid (aa). An outlier strain (EPI_ISL_463893) from Bosnia and Herzegovina possessed six aa substitutions. We also identified 11 residues with high aa mutation frequency, and each contains four types of aa variations. The infamous D614G variant has spread worldwide with ever-rising dominance and across regions with different climatic conditions alongside L5F and D936Y mutants, which have been documented throughout all regions and climate zones, respectively. We also found 988 unique aa substitutions spanned across 660 residues, which differed significantly among different continents (p = .003) and climatic zones (p = .021) as inferred with the Kruskal-Wallis test. Besides, 17 in-frame deletions at four sites adjacent to receptor-binding-domain were determined that may have a possible impact on attenuation. This study provides a fast and accurate pipeline for identifying mutations and deletions from the large dataset for coding and also non-coding sequences as evidenced by the representative analysis on existing S protein data. By using separate multi-sequence alignment, removing ambiguous sequences and in-frame stop codons, and utilizing pairwise alignment, this method can derive both synonymous and non-synonymous mutations (strain_ID reference aa:mutation position:strain aa). We suggest that the pipeline will aid in the evolutionary surveillance of any SARS-CoV-2 encoded proteins and will prove to be crucial in tracking the ever-increasing variation of many other divergent RNA viruses in the future. The code is available at https://github.com/SShaminur/Mutation-Analysis.


Asunto(s)
COVID-19/virología , SARS-CoV-2/genética , Glicoproteína de la Espiga del Coronavirus/genética , Sustitución de Aminoácidos , Bases de Datos Factuales , Humanos , Mutación , Sistemas de Lectura Abierta , Alineación de Secuencia/veterinaria , Eliminación de Secuencia
3.
Ophthalmic Surg Lasers Imaging ; 39(5): 386-90, 2008.
Artículo en Inglés | MEDLINE | ID: mdl-18831420

RESUMEN

BACKGROUND AND OBJECTIVE: This study evaluates the effectiveness of Akten (Akorn, Inc., Buffalo Grove, IL), a novel ophthalmic gel anesthetic agent for complete ocular anesthesia. PATIENTS AND METHODS: This study was conducted as a prospective, randomized, double-blinded, multicenter Phase III clinical trial to evaluate Akten gel. The study had four cohorts of subjects who received sham gel, Akten 1.5%, Akten 2.5%, and Akten 3.5%, respectively. Subjects were assessed for achievement of anesthesia at defined time intervals and questioned for "pain" or "no pain" following pinching of the conjunctiva with 0.3-mm forceps at predetermined intervals. RESULTS: A total of 209 subjects were entered into the study. The percentages of patients achieving the primary endpoint (ie, anesthesia within 5 minutes) were as follows: 22% for sham, 88% for Akten 1.5%, 89% for Akten 2.5%, and 92% for Akten 3.5%, respectively. Safety measures including corneal staining, conjunctival hyperemia, and eye pain with administra-tion were low and comparable in all cohorts. CONCLUSION: Akten gel appears to be an effective and safe ocular anesthetic. All doses were well tolerated and no dose-related corneal toxicity was observed.


Asunto(s)
Anestesia Local/métodos , Anestésicos Locales/administración & dosificación , Lidocaína/administración & dosificación , Adulto , Método Doble Ciego , Femenino , Geles , Humanos , Masculino , Dimensión del Dolor , Estudios Prospectivos , Factores de Tiempo
4.
J Cataract Refract Surg ; 28(6): 1027-33, 2002 Jun.
Artículo en Inglés | MEDLINE | ID: mdl-12036649

RESUMEN

PURPOSE: To evaluate the direct effect of intraocular indocyanine green (ICG) on endothelial cell function, ultrastructure, and viability in human and rabbit corneas. SETTING: A laboratory evaluation study. METHODS: Paired human and rabbit corneas were mounted in an in vitro specular microscope for endothelial cell perfusion. One corneal endothelium was perfused with 25 mg ICG dissolved in 0.5 mL aqueous solvent in 4.5 mL balanced salt solution (BSS(R)) for 3 minutes followed by washout with a control solution. The percentage of ICG exposed to the corneal endothelium was 0.5%. The paired cornea was perfused with the same solution without ICG, followed by the washout. The corneas were fixed for scanning and transmission electron microscopy (TEM). In another group, the endothelial viability was determined using a live cell/dead cell assay. RESULTS: In rabbit corneas, the mean corneal swelling rate was 12.9 microm/h +/- 1.2 (SEM) in the ICG corneas and 2.8 +/- 1.9 microm/h in the controls. Scanning electron microscopy and TEM revealed a normal endothelial cell mosaic. The control electron micrographs were similar. In human corneas, the mean swelling rate was 19.1 +/- 2.8 microm/h in the ICG corneas and 19.2 +/- 2.6 microm/h in the controls. Scanning electron microscopy and TEM revealed intact junctions with slight cellular vacuolization, similar to that in the controls. In the live cell/dead cell subgroup, the mean damage was 17.3% +/- 1.7% in the ICG-exposed corneas and 22.0% +/- 8.9% in the controls. CONCLUSIONS: Three-minute exposure to ICG in BSS had no adverse effect on corneal endothelial function, ultrastructure, or viability in human and rabbit corneas. This study provides a safety profile for the corneal endothelium when ICG is used as an intraocular tissue stain in ophthalmic surgery.


Asunto(s)
Supervivencia Celular/efectos de los fármacos , Colorantes/farmacología , Endotelio Corneal/efectos de los fármacos , Endotelio Corneal/ultraestructura , Verde de Indocianina/farmacología , Animales , Recuento de Células , Endotelio Corneal/fisiología , Humanos , Microscopía Electrónica de Rastreo , Persona de Mediana Edad , Conejos , Seguridad , Factores de Tiempo
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