Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

Discipline
Institution
Keyword
Publication Year
Publication
Publication Type
File Type

Articles 36751 - 36780 of 1104003

Full-Text Articles in Entire DC Network

Basgit: A Secure Digital Epassport Alternative, Ceren Kocaoğullar, Kaan Yildirim, Mert Ati̇la Sakaoğullari, Alpteki̇n Küpçü Sep 2025

Basgit: A Secure Digital Epassport Alternative, Ceren Kocaoğullar, Kaan Yildirim, Mert Ati̇la Sakaoğullari, Alpteki̇n Küpçü

Turkish Journal of Electrical Engineering and Computer Sciences

We present a solution to the challenge of securely issuing both paper-based and mobile phone-based passports without requiring specialized production techniques. Our solution offers improved security, privacy, and usability compared to the ePassport mechanism currently used worldwide. We also describe how our solution can be extended to support offline verification and present the test results of our proof-of-concept implementation.


High-Precision Reconstruction Of Seismic Data Based On Improved U-Net++, Wang Minling, Zhou Fei, Wang Honghua, He Xiang, Hou Zhiyang Sep 2025

High-Precision Reconstruction Of Seismic Data Based On Improved U-Net++, Wang Minling, Zhou Fei, Wang Honghua, He Xiang, Hou Zhiyang

Coal Geology & Exploration

Objective Conventional reconstruction methods are insufficient for the reconstruction of seismic data with missing consecutive traces, producing a negative impact on subsequent processing accuracy. Hence, this study proposed CU-Net++, a deep learning network based on the U-Net++ architecture combined with the convolutional block attention module (CBAM). Methods During the reconstruction of missing data, the independent decoder for each sub-U-Net in the nested U-Net++ architecture enables the utilization of information from different depths. The long and short skip connections can effectively enhance the network's capability to extract multi-scale features from data. The core innovation of CU-Net++ is the introduction of CBAM, …


Application Of Geophysical Logging To Selection Of Optimum Target Horizons For Salt Cavern Storage: A Case Study Of Borehole Zk01 In Qingjiang Salt Mine, Jiangxi Province, China, Liu Dongming, Lin Zhenzhou, Liu Dongyan, Qiu Changyi, Liang Mingxing, Zhai Jinghong, Zhang Jie, Jiang Zhengzhong Sep 2025

Application Of Geophysical Logging To Selection Of Optimum Target Horizons For Salt Cavern Storage: A Case Study Of Borehole Zk01 In Qingjiang Salt Mine, Jiangxi Province, China, Liu Dongming, Lin Zhenzhou, Liu Dongyan, Qiu Changyi, Liang Mingxing, Zhai Jinghong, Zhang Jie, Jiang Zhengzhong

Coal Geology & Exploration

Background Under the guidance of the strategies to achieve the goals of peak carbon dioxide emissions and carbon neutrality, salt cavern storage facilities, serving as key infrastructure for clean energy strategic reserves, have emerged as a core approach to promoting the transformation and upgrade of the salt industry and to building a low-carbon energy system in China. Jiangxi Province, located in the middle part of the Yangtze River Economic Belt, is endowed with abundant salt rock resources, making it a national priority zone for developing resources for salt cavern storage. However, traditional methods for the siting of the facilities rely …


Spartan Daily, September 25, 2025, San Jose State University, School Of Journalism And Mass Communications Sep 2025

Spartan Daily, September 25, 2025, San Jose State University, School Of Journalism And Mass Communications

Spartan Daily, 2025

Volume 165, Issue 15


Research On Intelligent Sorting Of Walnut Kernels In Food Production Lines Based On Improved Efficientdet, Qin Xinhua, Wang Yiliang, Li Yugui, Li Jin Sep 2025

Research On Intelligent Sorting Of Walnut Kernels In Food Production Lines Based On Improved Efficientdet, Qin Xinhua, Wang Yiliang, Li Yugui, Li Jin

Food and Machinery

[Objective] To improve the efficiency and accuracy of walnut kernel sorting in existing food production lines. [Methods] Based on the intelligent production line for walnut kernel sorting, an improved EfficientDet model is proposed for the intelligent sorting of walnut kernels in food production lines. A convolutional attention mechanism module is introduced into the backbone network to strength the ability of the model to focus on food regions. The bidirectional feature pyramid network is improved to enhance the detection ability of the model for different scales of food. The original activation function is optimized through Dynamic ReLU activation function to enhance …


Key Process Optimization Of Vine Tea And Flavor Characteristics Of Finished Products, Deng Jian, Tang Zheng, Wan Ruizhi, Yao Maojun, Yu Ji Sep 2025

Key Process Optimization Of Vine Tea And Flavor Characteristics Of Finished Products, Deng Jian, Tang Zheng, Wan Ruizhi, Yao Maojun, Yu Ji

Food and Machinery

[Objective] To optimize the key process conditions for vine tea and confirm the flavor characteristics of its finished products. [Methods] The effect of de-enzyming time and power, as well as fermentation time and temperature on the quality of vine tea is analyzed through single-factor experiments and response surface experiments, with the flavonoid content and sensory score as evaluation indicators. The volatile aroma components in samples prepared by the optimized process are detected by the headspace solid-phase microextraction-gas chromatography-mass spectrometry (HS-SPME-GC-MS). [Results] The optimal process conditions for microwave de-enzyming are a de-enzyming time of 16 minutes, a power of 490 W, …


The Quality Of Bio-Pellets Made By Combining Walnut Kernel Shells (Canarium Indicum L.) From Bogor, Indonesia, And Palm Kernel Shells As Renewable Energy, Ani Iryani, Linda Jati Kusumawardani, Ronaldo Juniansyah Sep 2025

The Quality Of Bio-Pellets Made By Combining Walnut Kernel Shells (Canarium Indicum L.) From Bogor, Indonesia, And Palm Kernel Shells As Renewable Energy, Ani Iryani, Linda Jati Kusumawardani, Ronaldo Juniansyah

Makara Journal of Science

Using biomass as an energy source helps overcome the declining supply of fossil fuels. Bio-pellets—an energy product made from biomass—is one option that can be utilized. One source of biomass energy is walnut kernel shells. The walnut plant (Canarium indicum L.) is a forest tree grown in eastern Indonesia. The walnut plant is also located in the GOR Pajajaran area of Bogor City and has not been utilized for energy production. This study consists of three stages: 1) raw material preparation, 2) bio-pellet production, and 3) bio-pellet characterization in accordance with the Indonesian National Standard (SNI) 8951:2020. Based on …


Antibacterial Activity Of Zno/Geopolymer Composite Granules And Their Potential Application In Water Treatment, Ziyan Tirta Maulitia, Putri Nur Angelina, Pipit Erlita Sari, Sri Sugiarti, Irma Isnafia Arief, Zaenal Abidin Sep 2025

Antibacterial Activity Of Zno/Geopolymer Composite Granules And Their Potential Application In Water Treatment, Ziyan Tirta Maulitia, Putri Nur Angelina, Pipit Erlita Sari, Sri Sugiarti, Irma Isnafia Arief, Zaenal Abidin

Makara Journal of Science

Water pollution has become a major global concern owing to its complexity and widespread impact. Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) are the most common bacterial contaminants in water sources, which pose significant threats to public health. To mitigate water contamination by these pathogenic microorganisms, developing and implementing effective water treatment technologies are essential. A promising approach involves using antibacterial water filtration systems. Herein, zinc oxide (ZnO) nanoparticles were synthesized via hydrothermal and precipitation methods as antibacterial agents for water treatment. These preparation methods required considerably low synthesis time. A capping agent was …


Detection Method For Escherichia Coli Using Real-Time Polymerase Chain Reaction Targeting The Yhav Gene, Muktiningsih Nurjayadi, Anisa Fitriyanti, Royna Rahma Musie, Gusti Angieta Putri, Puan Aqila Azizah, Helzi Angelina, Grace Grace, Ananda Indah Putri Sihombing, Agus Setiawan, Jefferson Lynford Declan, Gladys Indira Putri, Dandy Akbar Juliansyah, Siti Fatimah, Ayu Berkahingrum, Irma Ratna Kartika, Fera Kurniadewi, Vira Saamia, Shyi-Tien Chen, Bassam Aboemolak, Hesham Ali El Enshasy Sep 2025

Detection Method For Escherichia Coli Using Real-Time Polymerase Chain Reaction Targeting The Yhav Gene, Muktiningsih Nurjayadi, Anisa Fitriyanti, Royna Rahma Musie, Gusti Angieta Putri, Puan Aqila Azizah, Helzi Angelina, Grace Grace, Ananda Indah Putri Sihombing, Agus Setiawan, Jefferson Lynford Declan, Gladys Indira Putri, Dandy Akbar Juliansyah, Siti Fatimah, Ayu Berkahingrum, Irma Ratna Kartika, Fera Kurniadewi, Vira Saamia, Shyi-Tien Chen, Bassam Aboemolak, Hesham Ali El Enshasy

Makara Journal of Science

Escherichia coli is a foodborne pathogenic bacterium that can cause diarrhea, while yhaV is a virulence-associated gene linked to the toxin–antitoxin system in E. coli. This study was aimed at evaluating the confirmation, specificity, and sensitivity of a yhaV gene primer using real-time polymerase chain reaction. The yhaV-targeting PCR successfully amplified a DNA fragment with an amplicon length of 207 bp (base pairs) under an annealing temperature optimized to a range of 54 °C to 62 °C via gradient PCR. The PCR using the primer pair produced a consistent Ct (cycle threshold) of 14.14 ± 0.05 and showed …


The Effect Of Ozone Treatment On The Quality Of Biodiesel From Waste Cooking Oil, Sri Redjeki Setyawati, Singgih Wibowo Sep 2025

The Effect Of Ozone Treatment On The Quality Of Biodiesel From Waste Cooking Oil, Sri Redjeki Setyawati, Singgih Wibowo

Makara Journal of Science

This research demonstrates the successful production of biodiesel from waste cooking oil (WCO) using the transesterification method. A methoxide solution, formed by employing a base catalyst and alcohol, facilitated the conversion of triglycerides into methyl esters and glycerol as the byproduct. The conversion process yielded 74% biodiesel and 13.5% glycerol content, with the remaining proportion consisting of water and contaminants. The application of ozone (O3) aeration proved effective in reducing contaminants—such as alcohol, unreacted catalysts, food residues and water—by approximately 60%. Furthermore, Fourier transform infrared (FTIR) testing affirmed that the biodiesel product—treated with O3 aeration—maintained its original …


Effect Of Varying Chitosan Molecular Weights On The Morphology And Physical Characteristics Of Pva/Chitosan Composite Hydrogels, Yuan Alfinsyah Sihombing, Halida Rahmi Luthfianti, William Xaveriano Waresindo, Marathur Rodhiyah, Nur’Aini Nafisah, Dian Ahmad Hapidin, Dhewa Edikresnha, Khairurrijal Khairurrijal Sep 2025

Effect Of Varying Chitosan Molecular Weights On The Morphology And Physical Characteristics Of Pva/Chitosan Composite Hydrogels, Yuan Alfinsyah Sihombing, Halida Rahmi Luthfianti, William Xaveriano Waresindo, Marathur Rodhiyah, Nur’Aini Nafisah, Dian Ahmad Hapidin, Dhewa Edikresnha, Khairurrijal Khairurrijal

Makara Journal of Science

We employed the innovative freeze–thaw method to investigate the effect of chitosan (CS) molecular weights incorporated into polyvinyl alcohol on the morphology and physical characteristics of the hydrogel. This study aimed to unravel the intricate relationships between CS molecular weight variations, CS concentration, and the number of freeze–thaw cycles (4 or 6 cycles) on hydrogel swelling degree and weight loss. Incorporating CS improved the hydrogel structure and enhanced its porosity, resulting in remarkable increases in swelling degree ranging from 2 to 6 times the initial weight. Higher molecular weight CS (310,000–375,000 Da) exhibited a lower swelling degree than medium molecular …


Synthesis And Characterization Of Microcrystalline Cellulose (Mcc) From Corn Waste (Zea Mays L.), Annisa Cendani Haliman, Selastia Yuliati, Abu Hasan Sep 2025

Synthesis And Characterization Of Microcrystalline Cellulose (Mcc) From Corn Waste (Zea Mays L.), Annisa Cendani Haliman, Selastia Yuliati, Abu Hasan

Makara Journal of Science

Corn (Zea Mays L.) is one of the most widely cultivated food crops in the world, including in Indonesia. Corn plants produce waste, especially husks and cobs. Corn waste has no economic value and can lead to environmental pollution if burned. Corn husks contain approximately 44.08% cellulose, while cobs have a cellulose content of 45%. This high cellulose content makes it possible to process corn waste into microcrystalline cellulose (MCC). This study aims to investigate the effect of NaOH concentration and delignification time on the characteristics of the resulting MCC products. A mixture of corn husk and cob …


Effect Of Red And Blue Light On Lipid, Protein, Carbohydrate, And Pigment Contents Of Navicula Sp., Sofyan Maulana, Aulia Setyo Nurul Hida, Ismia Wulandari, Siti Mudrikah, Dedy Kurnianto, Khusnul Qonita Maghfiroh, Ria Amelia, Tia Erfianti, Renata Adaranyssa Egistha Putri, Irika Devi Anggraini, Septhian Marno, Eko Agus Agus Suyono Sep 2025

Effect Of Red And Blue Light On Lipid, Protein, Carbohydrate, And Pigment Contents Of Navicula Sp., Sofyan Maulana, Aulia Setyo Nurul Hida, Ismia Wulandari, Siti Mudrikah, Dedy Kurnianto, Khusnul Qonita Maghfiroh, Ria Amelia, Tia Erfianti, Renata Adaranyssa Egistha Putri, Irika Devi Anggraini, Septhian Marno, Eko Agus Agus Suyono

Makara Journal of Science

Light quality critically modulates the physiology of diatoms, influencing photosynthetic efficiency and metabolite synthesis. This study examines how monochromatic red (620–750 nm) or blue (450–495 nm) light affects the biochemical profiles and pigment production in Navicula sp. versus white light (control). Cultures were grown in sterile f/2 medium, and biomass was tracked via OD680. Biochemical analyses included lipids (Bligh and Dyer method), carbohydrates (phenol-sulfuric acid assay), proteins (Bradford assay), and pigments (spectrophotometric quantification). The growth dynamics were modeled using logistic and Gompertz equations. No significant differences in OD-based growth rates, carbohydrates, proteins, or lipids content were observed with …


Reclaiming Eve: The Importance And Benefits Of Women In Leadership, Takesha S. Jones Sep 2025

Reclaiming Eve: The Importance And Benefits Of Women In Leadership, Takesha S. Jones

Doctoral Dissertations and Projects

Despite considerable progress in women's career representation, global barriers remain rooted in gender discrimination through the lens of historical, cultural, and theological traditions. Imposing invisible obstacles such as the glass ceiling and sticky floors are entrenched biases that obstruct upward career advancement. Amid these challenges, the diverse talents and unique perspectives of women often remain overshadowed by their male counterparts in perceptions of quality leadership. This study aimed to explore the connection of the sins in the Garden of Eden narrative to the origins of and ongoing disqualification of women as unfit to lead. The study aimed to reaffirm gender …


Therapeutic Day Treatment Counselors’ Perspective Of Parental Engagement And Involvement, Dominique Rose Lynn Woods Sep 2025

Therapeutic Day Treatment Counselors’ Perspective Of Parental Engagement And Involvement, Dominique Rose Lynn Woods

Doctoral Dissertations and Projects

The purpose of this interpretative phenomenological analysis (IPA) study was to describe Therapeutic Day Treatment Counselors' (TDTCs) lived experiences with parental engagement and involvement (PEI) for TDTCs, within their professional collaborations in Virginia. The study focused on a specific aspect of TDTC’s lived experience: their perspective of PEI. Several theories were reviewed as a foundation for research development. Bronfenbrenner's (1979) Ecological Systems Theory has been an essential component of the research, as it emphasized that a child's development involves multiple elements of their environmental and social systems. Stroul and Friedman's (1986) Systems of Care Theory provided a foundation for understanding …


Face Off: Evaluating Virtual Human Expressions And Non-Tracking Control Methods In Vr, J K Sangeeth Chandran, Marisa Llorens Salvador, Cathy Ennis Sep 2025

Face Off: Evaluating Virtual Human Expressions And Non-Tracking Control Methods In Vr, J K Sangeeth Chandran, Marisa Llorens Salvador, Cathy Ennis

Conference papers

Social virtual reality (VR) applications have become more ubiquitous in recent years; central to this is the communication pipeline, how users perceive virtual human facial expressions, and how they control them in real time, especially when using VR devices without face-tracking. We investigated both aspects in a set of experiments. Firstly, we compared the perception of virtual human emotions on a traditional 2D screen and in VR. In a second experiment, we used a validated set of stimuli to compare three different control methods for manipulating an avatar’s facial expressions in VR. These control methods utilize non-tracking control techniques, which …


Toward A Clinically Actionable, Electronic Health Record-Based Machine Learning Model To Forecast 90-Day Change In Hemoglobin A1c In Youth With Type 1 Diabetes: Feasibility And Model Development Study, Erin M. Tallon, David D. Williams, Cintya Schweisberger, Colin Mullaney, Brent Lockee, Diana Ferro, Craig Vandervelden, Mitchell S. Barnes, Angelica Cristello Sarteau, Anna R. Kahkoska, Susana R. Patton, Sanjeev Mehta, Ryan Mcdonough, Marcus Lind, Leonard D'Avolio, Mark A. Clements Sep 2025

Toward A Clinically Actionable, Electronic Health Record-Based Machine Learning Model To Forecast 90-Day Change In Hemoglobin A1c In Youth With Type 1 Diabetes: Feasibility And Model Development Study, Erin M. Tallon, David D. Williams, Cintya Schweisberger, Colin Mullaney, Brent Lockee, Diana Ferro, Craig Vandervelden, Mitchell S. Barnes, Angelica Cristello Sarteau, Anna R. Kahkoska, Susana R. Patton, Sanjeev Mehta, Ryan Mcdonough, Marcus Lind, Leonard D'Avolio, Mark A. Clements

Manuscripts, Articles, Book Chapters and Other Papers

BACKGROUND: Clinicians currently lack an effective means for identifying youth with type 1 diabetes (T1D) who are at risk for experiencing glycemic deterioration between diabetes clinic visits. As a result, their ability to identify youth who may optimally benefit from targeted interventions designed to address rising glycemic levels is limited. Although electronic health records (EHR)-based risk predictions have been used to forecast health outcomes in T1D, no study has investigated the potential for using EHR data to identify youth with T1D who will experience a clinically significant rise in glycated hemoglobin (HbA1c) ≥0.3% (approximately 3 mmol/mol) between diabetes clinic visits. …


Synthetic Social Engineering Scenario Generation Using Llms For Awareness-Based Attack Resilience, Jade Webb, Faranak Abri, Sayma Akther Sep 2025

Synthetic Social Engineering Scenario Generation Using Llms For Awareness-Based Attack Resilience, Jade Webb, Faranak Abri, Sayma Akther

Faculty Research, Scholarly, and Creative Activity

Social engineering is found in a strong majority of cyberattacks today, as it is a powerful manipulation tactic that does not require the technical skills of hacking. Calculated social engineers utilize simple communication to deceive and exploit their victims, all by capitalizing on the vulnerabilities of human nature: trust and fear. When successful, this inconspicuous technique can lead to millions of dollars in losses. Social engineering is not a one-dimensional technique; criminals often leverage a combination of strategies to craft a robust yet subtle attack. In addition, offenders are continually evolving their methods in efforts to surpass preventive measures. A …


The Catholic Church And The Acculturation Of Immigrants To The United States: Pittsburgh And The Slovak Community During The Gilded Age And Progressive Era, Thomas Frank Demharter Sep 2025

The Catholic Church And The Acculturation Of Immigrants To The United States: Pittsburgh And The Slovak Community During The Gilded Age And Progressive Era, Thomas Frank Demharter

Doctoral Dissertations and Projects

The Catholic Church and the Acculturation of Immigrants to the United States: Pittsburgh and the Slovak Community During the Gilded Age and Progressive Era.” Throughout the nineteenth century, hundreds of thousands of immigrants arrived in the United States from southern and eastern Europe, marking a radical change in the cultural and social background of those who arrived in search of work in the industrial world that had come to dominate the economy of the nation. This dissertation will examine the role that the Catholic Church played in aiding these mostly Catholic immigrants in their attempt to conform to and assimilate …


Assessing The Impact Of Flight Occupancy And Motivation On General Aviation Pilot Decision-Making In Restricted Visibility, Brad A. Bowser Sep 2025

Assessing The Impact Of Flight Occupancy And Motivation On General Aviation Pilot Decision-Making In Restricted Visibility, Brad A. Bowser

Doctoral Dissertations and Projects

Annually, general aviation (GA) continues to experience an elevated number of fatal weather-related accidents. The highest fatality rate occurs during transitions from visual flight rules (VFR) with clear skies to instrument meteorological conditions (IMC) and restricted visibility. The purpose of this study was to examine differences in flight occupancy (with family, with another pilot, and solo) and flight motivation (extrinsic, intrinsic, and neither) in the willingness of GA pilots to transition from VFR-to-IMC. The framework for this study includes the prospect theory, which is based on behavioral economics, explaining that choices often result in decisions to avoid losses rather than …


Exploring The Deficiencies Of Business Improvement Programs: A Qualitative Look Into Continuous Improvement, Six Sigma, Eos, And Developing Hybrid Opportunities, Michelle Tucker Sep 2025

Exploring The Deficiencies Of Business Improvement Programs: A Qualitative Look Into Continuous Improvement, Six Sigma, Eos, And Developing Hybrid Opportunities, Michelle Tucker

Doctoral Dissertations and Projects

This qualitative case study researched the deficiencies of three established business improvement programs: Continuous Improvement, Six Sigma, and Entrepreneurial Operating System (EOS), to discern the possibility of a tailored hybrid improvement program. Utilizing data collected through semi-structured interviews from the experiences of twelve business leaders representing different industries. All of the leaders had five or more years of direct experience with one or more of the business improvement programs. The interviews were recorded, transcribed, and analyzed using open, axial, and selective coding, applying Constructivist Grounded Theory. The analysis found that Continuous Improvement empowered employees and nurtured incremental changes, but it …


Psychological Safety And Its Impact On Teacher And Staff Morale, Yvonne R. Crace Sep 2025

Psychological Safety And Its Impact On Teacher And Staff Morale, Yvonne R. Crace

Doctoral Dissertations and Projects

Psychological safety is a concept that has been around since 1965. Psychological safety exists when employees feel safe to share their ideas and opinions without fear of retaliation, retribution, or belittlement. Studies on psychological safety have mainly focused on businesses and corporations and work team learning behaviors. In recent years, it has become evident that psychological safety is needed in additional types of industries, including all stages of education, from primary to graduate school. In education, teachers and staff often feel isolated and have concerns about voicing their opinions which creates relational stress and conflict, thus lowering staff morale. This …


Exploring Teachers’ Self-Perceptions: A Case Study Unraveling The Influence Of Professional Learning On Practice, Lindsay Goldsmith Sep 2025

Exploring Teachers’ Self-Perceptions: A Case Study Unraveling The Influence Of Professional Learning On Practice, Lindsay Goldsmith

Doctoral Dissertations and Projects

The purpose of this case study was to understand how professional development affects elementary educators' self-perceptions in the K-12 setting within American schools overseas. The theory guiding this study was Jack Mezirow’s theory on transformative learning as it explains the relationship between learning and practice. How do overseas teachers' engagement in professional learning activities contribute to transformative learning experiences, and how does the social learning context influence the development of their teaching practices? The present study utilized a case-study approach to explore how current teachers perceive their practice is affected by professional learning. Interviews, surveys, and document analysis were used …


What Is The Relationship Between Herzberg’S Motivation And Hygiene Variables And The Job Satisfaction Of Public Administrators?, Robert Curtis Hayes Sep 2025

What Is The Relationship Between Herzberg’S Motivation And Hygiene Variables And The Job Satisfaction Of Public Administrators?, Robert Curtis Hayes

Doctoral Dissertations and Projects

What is the relationship between the variables identified by Herzberg’s motivation-hygiene theory, also known as two-factor theory, and the job satisfaction of public administrators? How can public employers use this theory to advance policies and environments conducive to job satisfaction for their workforces? The problem was a general lack of consensus among the results of scholarly studies investigating the theory. The purpose was to add to the overall body of research toward or against a consensus in a meaningful way. This dissertation employed secondary data to test Herzberg’s theory on bureaucrats. The sample size was limited to the 625,568 workers …


Determination Of Residual Emamectin Benzoate In Rice By Sin-Quechers Nano-Uplc-Ms/Ms, Luo Kuanneng, Huang Zijie, Huang Pengmian, Liu Yong, Yang Shuping, Zhang Honggang Sep 2025

Determination Of Residual Emamectin Benzoate In Rice By Sin-Quechers Nano-Uplc-Ms/Ms, Luo Kuanneng, Huang Zijie, Huang Pengmian, Liu Yong, Yang Shuping, Zhang Honggang

Food and Machinery

[Objective] To establish a new Sin-QuEChERS nano-triple quadrupole liquid chromatography-mass spectrometry (UPLC-MS/MS) method for detecting emamectin benzoate residues in rice. [Methods] After extraction with 0.1% formic acid-acetonitrile, the sample is purified with N-primary secondary amine (PSA) and multi-walled carbon nanotube (MWCNTs) fillers. The mobile phase is a gradient elution of 0.1% formic acid water and acetonitrile. Separation is performed using a C18 chromatographic column, and the detection is carried out using a triple quadrupole liquid chromatography-tandem mass spectrometry system. [Results] The quantification limit of emamectin benzoate is 0.001 5 mg/kg, and the detection limit of the method is 0.000 5 …


Design And Implementation Of A Food Pesticide Residue Detection Preprocessing System Based On Collaborative Robots, Zhu Ping, Chen Hongbo, Zheng Junke Sep 2025

Design And Implementation Of A Food Pesticide Residue Detection Preprocessing System Based On Collaborative Robots, Zhu Ping, Chen Hongbo, Zheng Junke

Food and Machinery

[Objective] To address the technical challenges of automating the pretreatment of diverse samples in pesticide residue detection in food. [Methods] A visual feedback-based robotic control module was designed to control the robotic arm for grasping target objects and to guide the movement of the mobile chassis. Hardware components were designed for each pretreatment task node based on specific requirements, thereby constructing an automated workstation. A programmable logic controller (PLC) was adopted as the main controller to coordinate the operations of each workstation. In accordance with the needs of diverse sample pretreatment, a pretreatment process management module was developed to enable …


Trajectory Optimization For Food Sorting Based On Improved Mopso And Multi-Objective Scara Parallel Robots, Jin Guang, Li Ruoqi, Zheng Qiangren Sep 2025

Trajectory Optimization For Food Sorting Based On Improved Mopso And Multi-Objective Scara Parallel Robots, Jin Guang, Li Ruoqi, Zheng Qiangren

Food and Machinery

[Objective] To balance the impact and energy consumption of SCARA high-speed parallel robots during food sorting, trajectory optimization methods are used to improve their comprehensive performance and meet the practical needs of smooth and low-energy-consumption food sorting. [Methods] Based on the analysis of the entire food sorting system, a trajectory optimization method for food sorting is proposed, combining an improved non-uniform quintic B-spline interpolation with multi-objective SCARA high-speed parallel robots. By introducing virtual path points into the starting and ending paths, a non-uniform quintic B-spline interpolation is used to construct the food sorting trajectory of SCARA high-speed parallel robots. The …


Effect Of Preservation Methods On The Quality Of Fresh-Cut Potatoes, Wei Xinyi, Liu Shutao, Fang Ronghui Sep 2025

Effect Of Preservation Methods On The Quality Of Fresh-Cut Potatoes, Wei Xinyi, Liu Shutao, Fang Ronghui

Food and Machinery

[Objective] To obtain the best preservation technology of fresh-cut potatoes. [Methods] 'Dutch 15' potatoes were taken as the research object. The quality of fresh-cut potatoes under vacuum packaging (VP) and atmospheric PET packaging is evaluated after 72 hours of storage at 4 and 20℃. Parameters such as mass loss rate and hardness and changes in appearance and color are measured. The effects of immersion treatments with different concentrations of ascorbic acid (AsA) on the preservation of fresh-cut potatoes are investigated. Finally, the synergistic preservation effect of VP and 0.5 g/100 mL AsA on fresh-cut potatoes is evaluated. [Results] The combination …


An Apple Defect Identification Method Based On Improved Yolov 7-Tiny, Li Jun, Cao Botao, Peng Xindong Sep 2025

An Apple Defect Identification Method Based On Improved Yolov 7-Tiny, Li Jun, Cao Botao, Peng Xindong

Food and Machinery

[Objective] To improve the accuracy of apple defect identification and classification. [Methods] An apple defect identification method based on improved YOLOv 7-tiny is proposed. Firstly, a multi-angle image acquisition system is designed to sample and enhance the surface of the apple. Then, the YOLOv 7-tiny network is used to extract the features of the apple. The extracted features are dimensionally reduced and compressed with the improved fuzzy C-means clustering (IFCM) algorithm. Finally, the improved coati optimization algorithm (ICOA) is adopted to automatically optimize the hyperparameters of the YOLOv 7 model. The proposed method is compared with other methods, such as …


Regulatory Effect Of Procambarus Clarkii Shell Bioactive Peptides On Muscle Antioxidant Capacity And Circadian Rhythm Of Pelodiscus Sinensis, Yang Saijie, Li Honghui, Huang Chao, Yang Hucheng, Lei Yanli, Zhou Jie Sep 2025

Regulatory Effect Of Procambarus Clarkii Shell Bioactive Peptides On Muscle Antioxidant Capacity And Circadian Rhythm Of Pelodiscus Sinensis, Yang Saijie, Li Honghui, Huang Chao, Yang Hucheng, Lei Yanli, Zhou Jie

Food and Machinery

[Objective] To analyze the effects of Procambarus clarkii shell bioactive peptides (PCSBP) on the growth performance, muscle antioxidant capacity, and circadian rhythm related gene expression of Pelodiscus sinensis. [Methods] In this experiment, different concentrations (0.05%, 0.10%, 0.20%, and 0.50%) of PCSBP are added to the diets of P.sinensis for 70 days. The growth performance, muscle antioxidant capacity, and expression levels of circadian rhythm related genes are measured to preliminarily explore the regulatory effect of PCSBP on the muscle antioxidant capacity and circadian rhythm of P.sinensis. [Results] With the increase of PCSBP concentration in diets, the final body weight, weight gain …