Pub Date : 2024-04-19DOI: 10.55766/sujst-2024-01-e03550
Muhammad Tawhid, Mohammed Mafizul Islam, Muhammed Amanat, Sapna Tandon
We conducted biochemical assays on shrimp and prawn samples in Bangladesh, revealing the presence of both harmful and beneficial bacteria. Pathogens such as Escherichia coli, Klebsiella pneumonia, Vibrio cholera, Pseudomonas aeruginosa, Clostridium perfringens, Salmonella typhimurium, Shigella flexneri, Listeria monocytogenes, and Staphylococcus aureus were detected in these samples, with Escherichia coli being the most prevalent. Additionally, we identified three potential probiotic bacteria - Bacillus subtilis, Lactobacillus spp., and Enterobacter aerogenes. These probiotics can enhance immunity, support survival, and have minimal environmental impact. Shrimp and prawn farms in Bangladesh may be susceptible to harmful microorganisms due to contaminated water sources and subpar sanitation during post-harvest handling and processing. Our use of biochemical characterization proves a dependable method for distinguishing pathogenic and probiotic bacteria in shrimp and prawns, offering valuable insights for future disease research.
{"title":"BIOCHEMICAL ASSAY FOR DETECTION OF PATHOGENIC AND PROBIOTIC BACTERIA AT SHRIMP AND PRAWN FROM WILD AND DIFFERENT CULTURE CONDITIONS IN BANGLADESH","authors":"Muhammad Tawhid, Mohammed Mafizul Islam, Muhammed Amanat, Sapna Tandon","doi":"10.55766/sujst-2024-01-e03550","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e03550","url":null,"abstract":"We conducted biochemical assays on shrimp and prawn samples in Bangladesh, revealing the presence of both harmful and beneficial bacteria. Pathogens such as Escherichia coli, Klebsiella pneumonia, Vibrio cholera, Pseudomonas aeruginosa, Clostridium perfringens, Salmonella typhimurium, Shigella flexneri, Listeria monocytogenes, and Staphylococcus aureus were detected in these samples, with Escherichia coli being the most prevalent. Additionally, we identified three potential probiotic bacteria - Bacillus subtilis, Lactobacillus spp., and Enterobacter aerogenes. These probiotics can enhance immunity, support survival, and have minimal environmental impact. Shrimp and prawn farms in Bangladesh may be susceptible to harmful microorganisms due to contaminated water sources and subpar sanitation during post-harvest handling and processing. Our use of biochemical characterization proves a dependable method for distinguishing pathogenic and probiotic bacteria in shrimp and prawns, offering valuable insights for future disease research.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 618","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140682525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-04-19DOI: 10.55766/sujst-2024-01-e02653
Warun Na Songkhla, Chalermphol Chaikaew, Nirachorn Nokkaew, Gritsada Sua-Iam
The escalating quantities of waste are coming from old bituminous road pavements in Thailand has led to significant environmental and economic challenges. This research explores an innovative solution by investigating the feasibility of using Reclaimed Asphalt Pavement (RAP) as a substitute for natural coarse aggregate in roller compacted concrete (RCC). This study explores optimal proportions between cement to RAP-specifically at ratios of 1:6, 1:8, and 1:10-to achieve maximum dry density. The research includes essential tests, such as dry density and maximum compressive strength assessments, to determine the suitability of the material for compacted concrete production. Intriguingly, the research reveals that the 1:6 ratio not only has the highest dry density and maximum compressive strength but also may minimize environmental impact. These findings align with the ACI 325.10R-95 standard (1995), presenting a promising alternative for engineering applications and contributing to the responsible use of reclaimed materials.
{"title":"UTILIZING RECLAIMED ASPHALT PAVEMENT AS A REPLACEMENT FOR COARSE AGGREGATE IN ROLLER COMPACTED CONCRETE","authors":"Warun Na Songkhla, Chalermphol Chaikaew, Nirachorn Nokkaew, Gritsada Sua-Iam","doi":"10.55766/sujst-2024-01-e02653","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e02653","url":null,"abstract":"The escalating quantities of waste are coming from old bituminous road pavements in Thailand has led to significant environmental and economic challenges. This research explores an innovative solution by investigating the feasibility of using Reclaimed Asphalt Pavement (RAP) as a substitute for natural coarse aggregate in roller compacted concrete (RCC). This study explores optimal proportions between cement to RAP-specifically at ratios of 1:6, 1:8, and 1:10-to achieve maximum dry density. The research includes essential tests, such as dry density and maximum compressive strength assessments, to determine the suitability of the material for compacted concrete production. Intriguingly, the research reveals that the 1:6 ratio not only has the highest dry density and maximum compressive strength but also may minimize environmental impact. These findings align with the ACI 325.10R-95 standard (1995), presenting a promising alternative for engineering applications and contributing to the responsible use of reclaimed materials.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 25","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140685214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The main purpose of working on the literature review on this special delivery system is to develop and estimate the various dosages forms and techniques to work on the sustained release of drugs that perfectly target the circadian rhythms or cycle of various diseases. ChrDD refers to the method that is widely used to attain the in vivo drug availability to match up with the circadian cycle of the human being to overcome the side effects of the drugs and enhance or optimize the therapeutic effect of the drugs. The circadian rhythms of the human body fluctuate from time to time during the day, as is well-known. So, for the treatment of such diseases, this method is widely used. Nowadays this method is widely accepted by pharmaceutical companies to minimize the dosing frequencies, toxicity, and drug delivery to treat particular diseases that perfectly match the circadian cycle when the symptoms get maximum to worse condition. These drugs are frequently used to treat conditions like cardiovascular disease, asthma, arthritis, ulcers, diabetes, and more that affect circadian rhythms. They offer the patient who is afflicted with these conditions the greatest advantages and facilitate compliance with the dosage form. In any disease, if there is any variation in circadian rhythms, the drug release also varies to overcome the symptoms of the disease.
{"title":"A COMPREHENSIVE OVERVIEW ON CHRONO-THERAPEUTICS AND RECENT ADVANCEMENT AS DELIVERY SYSTEM","authors":"Neelkanth M. Pujari, Shubham Bhatt, Deepika Gupta, Shikhar Verma, Aarati Maurya","doi":"10.55766/sujst-2024-01-e01223","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e01223","url":null,"abstract":"The main purpose of working on the literature review on this special delivery system is to develop and estimate the various dosages forms and techniques to work on the sustained release of drugs that perfectly target the circadian rhythms or cycle of various diseases. ChrDD refers to the method that is widely used to attain the in vivo drug availability to match up with the circadian cycle of the human being to overcome the side effects of the drugs and enhance or optimize the therapeutic effect of the drugs. The circadian rhythms of the human body fluctuate from time to time during the day, as is well-known. So, for the treatment of such diseases, this method is widely used. Nowadays this method is widely accepted by pharmaceutical companies to minimize the dosing frequencies, toxicity, and drug delivery to treat particular diseases that perfectly match the circadian cycle when the symptoms get maximum to worse condition. These drugs are frequently used to treat conditions like cardiovascular disease, asthma, arthritis, ulcers, diabetes, and more that affect circadian rhythms. They offer the patient who is afflicted with these conditions the greatest advantages and facilitate compliance with the dosage form. In any disease, if there is any variation in circadian rhythms, the drug release also varies to overcome the symptoms of the disease.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140684537","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-04-19DOI: 10.55766/sujst-2024-01-e02492
Asleena Salaeh
Microalgae have emerged as a promising alternative biomass source, offering distinct advantages over conventional crops in terms of oil content per mass. Maximizing their reproductive capacity throughout their life cycle is essential for optimizing biomass production. This study investigates the influence of ultrasonic waves on the reproductive rate of Botryococcus braunii microalgae. Various ultrasonic parameters, including power (56.2, 86.3, and 132.2 W for 37 kHz; 46.3, 67.2, and 101.2 W for 80 kHz), exposure times (3 and 5 min), and time intervals (2 and 4 days) were examined. The best outcomes were obtained with a 37 kHz ultrasonic frequency, 83.6 W power, 3-min exposure, and a 2-day interval, resulting in a maximum relative specific growth rate (16.67%) and relative biomass productivity (34.62%). Beyond these parameters, adjustments in ultrasonic treatment conditions resulted in decreased growth rates and biomass productivity. It is crucial to consider multiple ultrasonic factors, including frequency, power, exposure time, and time intervals, as each parameter significantly impacts microalgae growth.
{"title":"INCREASING GROWTH RATE OF Botryocuccus braunii USING ULTRASONIC WAVES","authors":"Asleena Salaeh","doi":"10.55766/sujst-2024-01-e02492","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e02492","url":null,"abstract":"Microalgae have emerged as a promising alternative biomass source, offering distinct advantages over conventional crops in terms of oil content per mass. Maximizing their reproductive capacity throughout their life cycle is essential for optimizing biomass production. This study investigates the influence of ultrasonic waves on the reproductive rate of Botryococcus braunii microalgae. Various ultrasonic parameters, including power (56.2, 86.3, and 132.2 W for 37 kHz; 46.3, 67.2, and 101.2 W for 80 kHz), exposure times (3 and 5 min), and time intervals (2 and 4 days) were examined. The best outcomes were obtained with a 37 kHz ultrasonic frequency, 83.6 W power, 3-min exposure, and a 2-day interval, resulting in a maximum relative specific growth rate (16.67%) and relative biomass productivity (34.62%). Beyond these parameters, adjustments in ultrasonic treatment conditions resulted in decreased growth rates and biomass productivity. It is crucial to consider multiple ultrasonic factors, including frequency, power, exposure time, and time intervals, as each parameter significantly impacts microalgae growth.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 42","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140683991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
An efficient and high degree of resolution must be achieved by integrating optimization solutions into the design of high-performance antennas, which has become a prominent consideration in recent years. To achieve the best results when making decisions, optimization procedures like particle swarm optimization (PSO), ant colony optimization (ACO), and mean variance optimization (MVO) have been widely used. However, these optimization algorithms have a number of drawbacks. For example, the ACO-based solution does not support application complexity, while PSO exhibits a low rate of convergence throughout the course of the process cycles. In this work, a hybrid approach for the design of microstrip antennas has been suggested by integrating PSO and MVO techniques, which greatly improves the outcomes, taking into account the limits of existing optimization processes. The proposed hybrid approach is capable of combining the PSO-MVO with multiple parameters like iteration, upper bond, lower bond, and objective function. Finally, research work evaluates the time consumption and error rate with respect to conventional techniques. Results show an improvement of 61% and 50% in the time consumed by the hybrid PSO-MVO approach as compared to the PSO and MVO approach respectively. The hybrid PSO-MVO achieves an accuracy of 87.15 which is 3% better than individual optimization techniques. Simulation work has been made in a Matlab environment in order to get the best solution using a hybrid optimization technique.
{"title":"DEVELOPMENT AND EVALUATION OF HIGH PERFORMANCE HYBRID OPTIMIZATION MECHANISM FOR MICROSTRIP ANTENNA DESIGN CONFIGURATION","authors":"Susheel Kumar Singh, Shailendra Singh, Mukesh Kumar","doi":"10.55766/sujst-2024-01-e02008","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e02008","url":null,"abstract":"An efficient and high degree of resolution must be achieved by integrating optimization solutions into the design of high-performance antennas, which has become a prominent consideration in recent years. To achieve the best results when making decisions, optimization procedures like particle swarm optimization (PSO), ant colony optimization (ACO), and mean variance optimization (MVO) have been widely used. However, these optimization algorithms have a number of drawbacks. For example, the ACO-based solution does not support application complexity, while PSO exhibits a low rate of convergence throughout the course of the process cycles. In this work, a hybrid approach for the design of microstrip antennas has been suggested by integrating PSO and MVO techniques, which greatly improves the outcomes, taking into account the limits of existing optimization processes. The proposed hybrid approach is capable of combining the PSO-MVO with multiple parameters like iteration, upper bond, lower bond, and objective function. Finally, research work evaluates the time consumption and error rate with respect to conventional techniques. Results show an improvement of 61% and 50% in the time consumed by the hybrid PSO-MVO approach as compared to the PSO and MVO approach respectively. The hybrid PSO-MVO achieves an accuracy of 87.15 which is 3% better than individual optimization techniques. Simulation work has been made in a Matlab environment in order to get the best solution using a hybrid optimization technique.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 53","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140683839","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-04-19DOI: 10.55766/sujst-2024-01-e01857
Lenin Kanagasabai
Hybrid Tayberry, Self-Help Regime, Adam’s Ale Sequence, Metoza Appetite, and Barbary Falcon Search Algorithm (HTSAMB) designed to solve the real power loss reduction problem. Key objectives are Real power loss reduction, Voltage stability enhancement, and deviation minimization. The Tayberry Algorithm is based on the propagation of the plant Tayberry and it grows rationally well in almost all types of soils and even in deep shade conditions. The Self-help Regime Optimization algorithm is designed by imitating the humanoid societal functioning. Adam’s ale Sequence procedure starts with the supposition of water flow and oceanic is selected as the premium entity. Metoza’s Appetite based search algorithm is based on actions of Metoza during starving conditions and mutual deportments. Barbary Falcon search optimization algorithm is based on the Search and stalking progression. The projected HTSAMB algorithm has been validated in IEEE 57, 354, and 220 KV systems.
{"title":"HYBRID-TAYBERRY, SELF-HELP REGIME, ADAM’S ALE SEQUENCE, METOZA APPETITE AND BARBARY FALCON SEARCH ALGORITHM FOR REAL POWER LOSS REDUCTION IN ELECTRICAL TRANSMISSION NETWORK","authors":"Lenin Kanagasabai","doi":"10.55766/sujst-2024-01-e01857","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e01857","url":null,"abstract":"Hybrid Tayberry, Self-Help Regime, Adam’s Ale Sequence, Metoza Appetite, and Barbary Falcon Search Algorithm (HTSAMB) designed to solve the real power loss reduction problem. Key objectives are Real power loss reduction, Voltage stability enhancement, and deviation minimization. The Tayberry Algorithm is based on the propagation of the plant Tayberry and it grows rationally well in almost all types of soils and even in deep shade conditions. The Self-help Regime Optimization algorithm is designed by imitating the humanoid societal functioning. Adam’s ale Sequence procedure starts with the supposition of water flow and oceanic is selected as the premium entity. Metoza’s Appetite based search algorithm is based on actions of Metoza during starving conditions and mutual deportments. Barbary Falcon search optimization algorithm is based on the Search and stalking progression. The projected HTSAMB algorithm has been validated in IEEE 57, 354, and 220 KV systems.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 56","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140683578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-04-19DOI: 10.55766/sujst-2024-01-e02177
Samala Nagaraju, Chandramouli Bethi
Power Quality (PQ) explore the issues resulting from current and voltage deviations. Due to an extraordinary rise in nonlinear loads, such as power electronic-based loads, the issues with power quality in distribution systems have become severe. Non-sinusoidal current is drawn from the electric grid by the nonlinear loads. These non-sinusoidal currents contain harmonics and reactive power that lower the system’s overall PQ. Unified Power Quality Conditioner (UPQC) was emerged as a promising compensator to provide a solution for all PQ issues. UPQC generally had two Voltage Source Converters (VSC), one was Shunt, and the second was a Series that act as a current controller and voltage controller, respectively. Yet the controlling strategy of this compensator was still complex to design. Here, an optimization based Fractional Order Proportional Integral Derivative (FOPID) was developed to manage UPQC for improving PQ in a hybrid Renewable Energy System (RES). The optimal problem of the FOPID controller was solved through the use of a novel optimization approach. The pulse signal of UPQC was done using the optimal controller, which analyzes the error value of reference voltage and actual load voltage to generate pulses. The proposed optimal controller based UPQC performance was validated under various conditions such as interruption, swell, harmonics, and sag. The optimal controller offered THD value in sag, swell, and interruption period at current have 10.19%, 9.77%, and 10.09%, at voltage have 0.09%, 0.07%, and 0.30%. Moreover, the issues mitigation performance was compared to another present approaches. The validated outcome demonstrates the proposed model provides a well mitigation performance in all PQ issues conditions, so it was well fit for real-time implementation.
{"title":"CGA-FOPID BASED UPQC FOR MITIGATING HARMONICS AND COMPENSATE LOAD DEMAND IN GRID LINKED HYBRID RENEWABLE ENERGY SOURCES","authors":"Samala Nagaraju, Chandramouli Bethi","doi":"10.55766/sujst-2024-01-e02177","DOIUrl":"https://doi.org/10.55766/sujst-2024-01-e02177","url":null,"abstract":"Power Quality (PQ) explore the issues resulting from current and voltage deviations. Due to an extraordinary rise in nonlinear loads, such as power electronic-based loads, the issues with power quality in distribution systems have become severe. Non-sinusoidal current is drawn from the electric grid by the nonlinear loads. These non-sinusoidal currents contain harmonics and reactive power that lower the system’s overall PQ. Unified Power Quality Conditioner (UPQC) was emerged as a promising compensator to provide a solution for all PQ issues. UPQC generally had two Voltage Source Converters (VSC), one was Shunt, and the second was a Series that act as a current controller and voltage controller, respectively. Yet the controlling strategy of this compensator was still complex to design. Here, an optimization based Fractional Order Proportional Integral Derivative (FOPID) was developed to manage UPQC for improving PQ in a hybrid Renewable Energy System (RES). The optimal problem of the FOPID controller was solved through the use of a novel optimization approach. The pulse signal of UPQC was done using the optimal controller, which analyzes the error value of reference voltage and actual load voltage to generate pulses. The proposed optimal controller based UPQC performance was validated under various conditions such as interruption, swell, harmonics, and sag. The optimal controller offered THD value in sag, swell, and interruption period at current have 10.19%, 9.77%, and 10.09%, at voltage have 0.09%, 0.07%, and 0.30%. Moreover, the issues mitigation performance was compared to another present approaches. The validated outcome demonstrates the proposed model provides a well mitigation performance in all PQ issues conditions, so it was well fit for real-time implementation.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 22","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140684859","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
An inverted-T structure is implemented with the Junctionless (JL) topology at nanoscale dimensions. The Inverted-T Junctionless (ITJL) FET features a multi-fin architecture that utilizes the unused space within the fins and combines it with the junctionless topology, maintaining the same doping concentration from source to drain. In order to mitigate the short channel effects and overcome the fabrication challenges, an inverted-T FET has been designed. The crucial performance parameters of device are explored by varying the geometric dimensions and process parameters. The performance of ITJLFET is measured by varying different parameters namely temperature (T), doping concentration (Nd), work function 𝒎 ), and dielectric constant (K) at 30-nm technology node and effect of geometric variations are measured by altering the gate length (Lg) and oxide thickness (Tox). Inverted-T junctionless field effect transistor (ITJLFET) is designed with different gate lengths in the range of 14 nm to 30 nm and shows the improvement in ION by 64% as compared to the conventional JLFET. The parametric analysis like transfer characteristics (Id-Vgs), Ion/IOFF ratio, subthreshold swing (SS), drain induced barrier lowering (DIBL) and gate capacitance (Cgg) are investigated for 250 K to 350 K. From the results, it is perceived that temperature has less effect on the Inverted-T junctionless transistor performance. The cut-off frequency for the designed device is calculated and observed to be in the range of 0.3 to 1.5 THz. Hence, device can be used for high-frequency applications at the submicron regime.
在纳米级尺寸上采用无结 (JL) 拓扑实现了倒 T 结构。倒T型无结（ITJL）场效应晶体管采用多鳍片结构，利用鳍片内的闲置空间，将其与无结拓扑结构相结合，保持源极到漏极相同的掺杂浓度。为了减轻短沟道效应并克服制造难题，我们设计了一种倒 T 型场效应晶体管。通过改变几何尺寸和工艺参数，探索了器件的关键性能参数。在 30 纳米技术节点上，通过改变温度 (T)、掺杂浓度 (Nd)、功函数 𝒎 ) 和介电常数 (K) 等不同参数测量了 ITJLFET 的性能，并通过改变栅极长度 (Lg) 和氧化物厚度 (Tox) 测量了几何变化的影响。在 14 纳米到 30 纳米的范围内，设计了不同栅极长度的反相无结场效应晶体管（ITJLFET），与传统的 JLFET 相比，ION 提高了 64%。在 250 K 至 350 K 的温度范围内，对传输特性（Id-Vgs）、离子/离子交换比（Ion/IOFF）、亚阈值摆幅（SS）、漏极诱导势垒降低（DIBL）和栅极电容（Cgg）等参数进行了分析。经计算和观察，所设计器件的截止频率在 0.3 至 1.5 太赫兹之间。因此，该器件可用于亚微米级的高频应用。
{"title":"DESIGN AND ANALYSIS OF ELECTRICAL CHARACTERISTICS OF INVERTED-T JUNCTIONLESS (JL) FET THROUGH GEOMETRIC AND PROCESS VARIATIONS FOR HIGH FREQUENCY APPLICATIONS","authors":"Sameeksha Munjal, Neelam Rup Prakash, Jasbir Kaur, Komal","doi":"10.55766/sujst-2023-06-e01131","DOIUrl":"https://doi.org/10.55766/sujst-2023-06-e01131","url":null,"abstract":"An inverted-T structure is implemented with the Junctionless (JL) topology at nanoscale dimensions. The Inverted-T Junctionless (ITJL) FET features a multi-fin architecture that utilizes the unused space within the fins and combines it with the junctionless topology, maintaining the same doping concentration from source to drain. In order to mitigate the short channel effects and overcome the fabrication challenges, an inverted-T FET has been designed. The crucial performance parameters of device are explored by varying the geometric dimensions and process parameters. The performance of ITJLFET is measured by varying different parameters namely temperature (T), doping concentration (Nd), work function 𝒎 ), and dielectric constant (K) at 30-nm technology node and effect of geometric variations are measured by altering the gate length (Lg) and oxide thickness (Tox). Inverted-T junctionless field effect transistor (ITJLFET) is designed with different gate lengths in the range of 14 nm to 30 nm and shows the improvement in ION by 64% as compared to the conventional JLFET. The parametric analysis like transfer characteristics (Id-Vgs), Ion/IOFF ratio, subthreshold swing (SS), drain induced barrier lowering (DIBL) and gate capacitance (Cgg) are investigated for 250 K to 350 K. From the results, it is perceived that temperature has less effect on the Inverted-T junctionless transistor performance. The cut-off frequency for the designed device is calculated and observed to be in the range of 0.3 to 1.5 THz. Hence, device can be used for high-frequency applications at the submicron regime.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":"15 32","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140442980","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-09DOI: 10.55766/sujst-2023-06-e01521
W. Elkhateeb, Mahesh Galappaththi, Dina Elghwas, G. Daba
It is crucial to discover new nutraceuticals or medications to cure or prevent diabetes because it is becoming a pandemic. Some mushrooms seem to have benefits in controlling blood glucose levels and correcting diabetes problems without any negative side effects. Only a few regions employ mushrooms as appetizing food, health-improving dietary supplements, or medicine because they contain immune-modulating polysaccharides. However, scientific or clinical research on mushrooms has not been sufficient to allow them to be used as recognized medicines or nutraceuticals worldwide. These functional fungi may have a greater impact on the prevention and diabetes treatment. This review focuses on prospective mushrooms that have demonstrated anti-diabetic effects in clinical or experimental studies and prevent or slow the progression of diabetes mellitus.
{"title":"THE ANTI-DIABETIC POTENTIAL OF MUSHROOMS: A REVIEW","authors":"W. Elkhateeb, Mahesh Galappaththi, Dina Elghwas, G. Daba","doi":"10.55766/sujst-2023-06-e01521","DOIUrl":"https://doi.org/10.55766/sujst-2023-06-e01521","url":null,"abstract":"It is crucial to discover new nutraceuticals or medications to cure or prevent diabetes because it is becoming a pandemic. Some mushrooms seem to have benefits in controlling blood glucose levels and correcting diabetes problems without any negative side effects. Only a few regions employ mushrooms as appetizing food, health-improving dietary supplements, or medicine because they contain immune-modulating polysaccharides. However, scientific or clinical research on mushrooms has not been sufficient to allow them to be used as recognized medicines or nutraceuticals worldwide. These functional fungi may have a greater impact on the prevention and diabetes treatment. This review focuses on prospective mushrooms that have demonstrated anti-diabetic effects in clinical or experimental studies and prevent or slow the progression of diabetes mellitus.","PeriodicalId":509211,"journal":{"name":"Suranaree Journal of Science and Technology","volume":" 6","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-02-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139789693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-02-09DOI: 10.55766/sujst-2023-06-e01521
W. Elkhateeb, Mahesh Galappaththi, Dina Elghwas, G. Daba
It is crucial to discover new nutraceuticals or medications to cure or prevent diabetes because it is becoming a pandemic. Some mushrooms seem to have benefits in controlling blood glucose levels and correcting diabetes problems without any negative side effects. Only a few regions employ mushrooms as appetizing food, health-improving dietary supplements, or medicine because they contain immune-modulating polysaccharides. However, scientific or clinical research on mushrooms has not been sufficient to allow them to be used as recognized medicines or nutraceuticals worldwide. These functional fungi may have a greater impact on the prevention and diabetes treatment. This review focuses on prospective mushrooms that have demonstrated anti-diabetic effects in clinical or experimental studies and prevent or slow the progression of diabetes mellitus.
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