Yaşar University

About: Yaşar University is a education organization based out in Izmir, Turkey. It is known for research contribution in the topics: Exergy & Job shop scheduling. The organization has 760 authors who have published 1436 publications receiving 20813 citations. The organization is also known as: Yaşar Üniversitesi.

Effects of chitosan edible coatings enriched with sumac on the quality and the shelf life of rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) fillets

Abstract: Effects of chitosan coating combined with sumac on the quality of rainbow trout (Oncorhynchus mykiss) fillets stored in refrigerated condition (4°C) for 12 days were evaluated. The treatments in this study were—T1, control; T2, chitosan: 2% w/v; T3, chitosan: 2% w/v and sumac: 1% w/v; and T4, chitosan: 2% w/v and sumac: 2% w/v. The shelf life of the samples were determined periodically using physicochemical (pH, peroxide value [PV], thiobarbituric acid [TBA], and total volatile basic nitrogen [TVB‐N]), microbiological (total viable counts [TVCs] and psychrotrophic bacteria), and sensory analyzes. During the storage period, T3 and T4 groups showed lower pH, PV, TBA, and TVB‐N values than T1 and T2 groups. The sensory results are in line with chemical and microbiological results. Treatment with 2% chitosan + 1% sumac and 2% chitosan + 2% sumac increased the shelf life of rainbow trout fillets by 6 days as compared to the control samples. PRACTICAL APPLICATIONS: To avoid the adverse effects of chemical preservatives and to answer natural and reliable product demands of the consumers, plant extracts and edible coatings are applied to increase the shelf life and to prevent the spoilage of fresh fish. The results of this study reported the efficacy of chitosan edible coating combined with sumac as a new natural preservative for improving the shelf life of rainbow trout fillets. The findings revealed that sumac extract combined with chitosan coating can be an alternative method to extend the shelf life, to preserve the quality and safety of fish, as a result of their good antioxidant and antimicrobial activity.

Imaging and evaluating the memory access for malware

Abstract: Malware analysis is a forensic process. After infection and the damage represented itself with the full scale, then the analysis of the attack, the structure of the executable and the aim of the malware can be discovered. These discoveries are converted into analysis reports and malware signatures and shared among antivirus databases and threat intelligence exchange platforms. This highly valuable information is then utilized in the detection mechanisms to prevent further dissemination and infections of malware. The types of analysis of the malware sample in this process can be grouped into two categories: static analysis and dynamic analysis. In static analysis, the executable file is reverted to the source code through disassemblers and reverse engineering software and analyzed whereas dynamic analysis includes running the sample in an isolated environment and analyzing its behavior. Both static and dynamic analysis have limitations such as packing, obfuscation, dead code insertion, sandbox detection, and anti-debugging techniques. Memory operations, on the other hand, are not possible to hide by these limitations and inevitable for any software since the inventions of the computational models. Therefore, in this research, memory operations and access patterns for the malicious acts are examined, and a contribution of a novel approach for extracting of memory access images is presented. In addition to extraction, methods of how these images can be used for detection and comparison is introduced through an image comparison technique.

Experimental analysis for self-cleansing open channel design

Abstract: Self-cleansing is a hydraulic design concept for drainage systems for mitigation of sediment deposition. Experimental studies in the literature have mostly been performed in circular channels. In t...

Highlighting the rules between diagnosis types and laboratory diagnostic tests for patients of an emergency department: Use of association rule mining.

Abstract: Diagnostic tests are widely used in emergency departments to make detailed investigations on diagnosis and treat patients correctly. However, since these tests are expensive and time-consuming, ord...