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2,291 results for “K-factor”
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Technical ReportOpen accessEvery word in the titleDental Caries Etiology: A Modified Six-Factor Model and Venn DiagramJohn Sami MamounDietary fermentable carbohydrates or sucrose may be metabolized by cariogenic bacteria at a specific tooth surface site, which may result in an episode of the site having a pH of 5.5 or less, that may cause temporary net demineralization. Numerous demineralization episodes at a specific tooth surface may result in a carious lesion if saliva does not remineralize the surface … …Current Research in Dentistry, Vol. 16, Issue 1 · 23 Dec 2025 · 3,698 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleGenetic Testing for Inherited Thrombophilia in Women with Recurrent Pregnancy Loss: Prevalence and Risk Assessment of Factor V Leiden, Prothrombin, and MTHFR MutationsLina M. Al Momani, Manal A. AbbasGenetic testing for inherited thrombophilia in women with recurrent pregnancy loss (RPL) may play an important role in detecting high-risk subjects. DNA was extracted from peripheral blood leukocytes. The high pure polymerase chain reaction template preparation kit and Reverse hybridization technique were used to detect the presence of factor V (G1691A, Leiden) (FVL), Factor II (prothrombin, G20210A), and 5,10-methylenetetrahydrofolate reductase … …OnLine Journal of Biological Sciences, Vol. 25, Issue 4 · 29 Nov 2025 · 2,559 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOne Time Password (OTP) Solution for Two Factor Authentication: A Practical Case StudyOscar Efrén Acosta Mayorga, Sang Guun YooCurrently, static passwords are no longer secure, they expose accounts and data, more advanced and sophisticated approaches are required to guarantee user authentication and operations in digital systems. In this context, this study investigates how in a practical application, addressing security challenges in user authentication using One Time Passwords (OTP) can strengthen two-Factor Authentication (2FA), the use of a sec … …Journal of Computer Science, Vol. 21, Issue 5 · 26 Apr 2025 · 8,452 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleNerve Growth Factor (NGF) Gene Analysis in Menstrual Blood of Endometriosis: DNA Methylation and mRNA Expression LevelsOcktariyana, Nurul Hikmawati et al.Menstrual blood flow is reversed through the fallopian tubes during the menstrual process and implants outside the uterus, which is the theory of pathogenesis in endometriosis sufferers. This study aims to analyze the level of DNA methylation and mRNA expression of the Nerve Growth Factor (NGF) gene in menstrual blood in endometriosis patients and analyze the correlation. The study was … …OnLine Journal of Biological Sciences, Vol. 25, Issue 2 · 7 Aug 2025 · 4,684 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleOptimization of Expert System Based on Interpolation, Forward Chaining, and Certainty Factor for Diagnosing Abdominal ColicHari Soetanto, Painem, Muhammad Kamil SuryadewiansyahAbdominal colic is a common condition that affects infants and it can be difficult to diagnose because it shares many symptoms with other conditions, such as gastric disease and appendicitis. Limitations of existing diagnostic methods include the unreliability of physical examinations and medical histories and the high cost and time-consuming nature of imaging tests. This research proposes an expert system … …Journal of Computer Science, Vol. 20, Issue 2 · 30 Dec 2023 · 5,770 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleHybrid Enhanced Neighbourhood and Latent Factor Model for Cold-Start RecommendationsAmritha P, Rajkumar KKAmong different recommendation strategies, collaborative filtering remains a commonly utilized method for generating personalized suggestions. The traditional collaborative algorithms face performance declines due to the sparse rating of data and the item cold-start problem. To overcome these challenges, this paper introduces a novel hybrid model called HCE-KNNCF (Hybrid Cognition-Enabled K-Nearest Neighbor Collaborative Filtering). The proposed model generates predicted rating by … …Journal of Computer Science, Vol. 22, Issue 9 · 21 Sep 2026 · 622 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleMulti-Factor Authentication for e-Government Services using a Smartphone Application and Biometric Identity VerificationMohammad AlRousan, Benedetto IntrigilaThe growing usage of smartphones and tablets has a significant impact on e-government services, according to Cisco and accounted for 59 percent of total IP traffic during 2018. In the provision of e-government services, usernames and passwords are still the most common authentication scheme. A password, however, is a weak authentication scheme, as it can easily be hacked over an … …Journal of Computer Science, Vol. 16, Issue 2 · 20 Feb 2020 · 7,839 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleAnalysis of Benefits and Barriers as a Critical Success Factor in IT Governance Implementation by Using Interpretive Structural ModelUky Yudatama, Achmad Nizar Hidayanto, Bobby A.A NaziefThis study aims to identify and analyze the key sub-factors of benefits and barriers as critical success factors for the implementation of IT Governance. The hope of the research is that the results of this identification and analysis can provide a high value of benefits in order to stakeholders in implementing IT Governance. In addition, it is expected to also … …Journal of Computer Science, Vol. 15, Issue 7 · 25 Jul 2019 · 7,885 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleTwo Factor Authentication for e-Government Services using Hardware-Like One Time Password GeneratorsGiuseppe Della Penna, Pietro Frasca, Benedetto IntrigilaA safe and accessible authentication technique is a prerequisite for any modern e-government application. Two-factor authentication is currently widely adopted, since it alleviates many vulnerabilities of password-based authentication. The majority of e-government systems currently make use of text messages to deliver the second authentication factor, but these messages do not constitute an adequate (secure and reliable) solution. In this paper … …Journal of Computer Science, Vol. 15, Issue 1 · 26 Jan 2019 · 8,167 accessesView PDFCite
Research ArticleOpen accessEvery word in the titleEffects of Vascular Endothelial Growth Factor (VEGF) on Dental Pulp Stem Cells (DPSC)Eric Mullins, Cale Forgues, Karl KingsleyDental Pulp Stem Cells (DPSCs) are non-embryonic, mesenchymal stem cells that may have significant potential for therapeutic and regenerative biomedical applications. Studies of DPSC differentiation have demonstrated the potential to form many tissue types, including neural, osteogenic and vascular precursors using cytokines and growth factors, such as Vascular Endothelial Growth Factor (VEGF). Eight previously isolated Dental Pulp Stem Cell (DPSC) … …Current Research in Medicine, Vol. 9, Issue 1 · 1 Jun 2019 · 13,831 accessesView PDFCite