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The aim of this study was to explore the prevalence of likely pathogenic or pathogenic variants and assess the diagnostic yield from genetic testing for cardiac arrhythmias in Norway since 2003. Data from 1991 probands and 2782 relatives were retrospectively collected from the laboratory information management system at Unit for Cardiac and Cardiovascular Genetics, Oslo University hospital. Of 1991 probands, 57.4% were females, age at genetic testing was 33.1 (±22.7) years, and 32.5% were under the age of 18. A likely pathogenic or pathogenic variant (including 14 novel) was detected in 15.4% in total. Of the 2782 relatives, 53.7% were females, age at genetic testing was 35.6 (±22.5) years, 27.3% were under the age of 18, and 45.3% carried the family variant. Probands and relatives combined, 1/3356 persons in the Norwegian population were heterozygous for an arrhythmia‐causing variant. The founder variant p.Q530X (NM_000218.2: c.1588C>T) in KCNQ1 accounted for 34% of all variants in Norway. In conclusion, genetic testing provided a genetic basis of the arrhythmia in 15.4% of the probands. Familial cascade screening identified four times as many variant‐positive relatives, allowing early detection and prompt stratification of arrhythmic risk of those variant carriers. [ABSTRACT FROM AUTHOR]

Scientists who manage research laboratories often face ethical dilemmas related to conflicts between their different roles, such as researcher, mentor, entrepreneur, and manager. It is not known how often uncertainty about conflicting role obligations leads scientists to engage in unethical conduct, but this probably occurs more often than many people would like to think. In this paper, we reflect on ethical decision-making in scientific laboratory management with special attention to how different roles create conflicting obligations and expectations that may produce moral uncertainty and lead to violations of research norms, especially when combined with self-interest and other factors that increase the risk of misbehavior. We also offer some suggestions and guidance for investigators and research institutions. [ABSTRACT FROM AUTHOR]

The safety management of laboratories is of utmost importance in the construction and management of university laboratories. Abnormal behaviors such as smoking, incorrect wearing of personal protective equipment (PPE) like lab coats, hats, masks, and gloves pose significant safety hazards. In this paper, in order to improve the level of laboratory safety management and effectively provide an alert in the case of unsafe behaviors, video analysis technology is employed to achieve abnormal behavior recognition and monitoring through steps such as human key point detection, posture estimation, and behavior recognition. Firstly, the human pose estimation algorithm YOLO is used for human detection, followed by the extraction of human key points after segmentation. Finally, spatiotemporal graph convolution is used for feature detection and classification of abnormal behaviors. The experimental results show that the accuracy of abnormal behavior detection and recognition based on human key points reaches over 85%, which is of great significance for safety management and behavior warning in university laboratories, and thus, improves the efficiency and level of laboratory safety management. [ABSTRACT FROM AUTHOR]

This text provides a comprehensive overview of various topics in clinical biochemistry and laboratory medicine. It covers the recent National Congress of the Italian Society of Clinical Biochemistry and Clinical Molecular Biology, as well as the response to a ransomware attack on the Modena Local Health Authority. The document also discusses the management of laboratories during cyberattacks and the implementation of artificial intelligence in healthcare. It addresses the impact of COVID-19 on frail individuals and the role of laboratory medicine in their care. Additionally, it presents case studies on rare plasma cell dyscrasia and the use of TSH testing in amniotic fluid. The information is presented in a factual and informative manner, providing valuable insights for library patrons conducting research in these areas. [Extracted from the article]

[Objective] Laboratory animal centers in colleges and universities are crucial for production, teaching, experimentation, and technical services involving laboratory animals. Biosafety management is an important part of their standardized operation and safety management. The Biosafety Law has highlighted the importance of biosafety and introduced new requirements for managing laboratory animals in universities. Establishing a systematic biosafety risk management framework is essential to prevent public health impacts related to biosafety and ensure effective management and operation. Comprehensive and systematic implementation of biosafety management in university laboratory animal centers is vital for the standardized management of facilities, the health and safety of staff and students, and the advancement of scientific research. [Methods] We evaluated the major biosafety hazards, classified as "internal factors" and "external factors", throughout the whole experimental process. Corresponding solutions were proposed. Considering the complexity of hazards within laboratory animal facilities, we clearly identified the biosafety hazards one by one and summarized them to obtain more effective and distinct measures. [Results] Using the Institute of Laboratory Animal Science of Jinan University as a case study, we explored effective strategies for managing biosafety in animal public service platforms, such as qualified animal experimental design, standardized facility management, strict environmental and animal monitoring, frequently disinfecting facilities, periodic waste disposal, effective pest control, and veterinary supervision. Specifically, they include: 1 Ensuring research projects are reviewed and approved by the Institutional Animal Care and Use Committee of Jinan University, adhering to the welfare and ethical principles of laboratory animals. 2 Implementing rigorous regulations for material types and delivery methods to maintain sterility. 3 Establishing different entry requirements and admission procedures for various personnel, with comprehensive training for experimental staff. 4 Daily checks of physical parameters of environmental facilities to ensure stable conditions. 5 Following the Biological Safety Law for treating wastewater, exhaust gas, and other waste materials. 6 Using at least two types of disinfectants to ensure effectiveness and prevent drug resistance, with clear guidelines for disinfection scope and methods. 7 Preventing and controlling biological vectors such as mosquitoes, flies, mice, and cockroaches through disinfection and sterilization. 8 Implementing isolation and quarantine, observation and treatment, anatomical sampling, and ensuring animal safety within the facility. [Conclusions] Universities should strictly implement the safety management responsibility system, investigate biological safety hazards, and determine effective responses to ensure the safe and effective operation of animal centers. [ABSTRACT FROM AUTHOR]

Pematang Rahim Village Forest is one of the social forestry schemes offered by the government. Pematang Rahim Village Forest Management Institute makes ecotourism as the basis for its management. Ecotourism in peat ecosystems in village forests creates biodiversity inside, especially plants, as the basis for planned ecotourism. The purpose of this research is to obtain data and information about the potential flora to support ecotourism-based village forest management. This study was carried out for 8 months from March to October 2021, located in the Village Forest of Pematang Rahim, East Tanjung Jabung Regency, and further analysis was conducted at the Herbarium and Laboratory of Management, Department of Forestry, Faculty of Agriculture, Jambi University. Research results in the field show that peat forests are generally managed as village forests in Pematang rahim in good condition. There are various types of trees and plants in different life forms. The study found 26 families, 58 genera, and 104 species, with a total of 2,831 individuals consisting of 855 seedlings, 880 saplings, 546 poles, and 550 trees. The diversity index showed a high value (> 3) for each growth stage from seedlings, sapling, pole to trees (3.39; 3.56; 3.65; 3.79). The existence of various peat-specific species with ecosystem conditions that are still maintained is expected to add value to ecotourism activities in the Pematang Rahim Village Forest area in the future. [ABSTRACT FROM AUTHOR]

This document contains abstracts and summaries of research studies related to transplantation and immunology. The studies cover a range of topics including genotyping and antibody screening for transplant patients, challenges in obtaining pure populations of cells for monitoring after stem cell transplantation, the use of biomarkers for recurrent kidney disease after transplantation, and the impact of accreditation on laboratory quality. Other studies explore the detection of antibodies in highly sensitized patients, molecular assays for detecting genetic polymorphisms, and the development of immunophenotyping panels. The document provides valuable information for library patrons conducting research in these areas. [Extracted from the article]

Background: Dual-person inspection in IVF laboratories cannot fully avoid mix-ups or embryo transfer errors, and data transcription or entry is time-consuming and redundant, often leading to delays in completing medical records. Methods: This study introduced a workflow-based RFID tag witnessing and real-time information entry platform for addressing these challenges. To assess its potential in reducing mix-ups, we conducted a simulation experiment in semen preparation to analyze its error correction rate. Additionally, we evaluated its impact on work efficiency, specifically in operation and data entry. Furthermore, we compared the cycle costs between paper labels and RFID tags. Finally, we retrospectively analyzed clinical outcomes of 20,424 oocyte retrieval cycles and 15,785 frozen embryo transfer cycles, which were divided into paper label and RFID tag groups. Results: The study revealed that comparing to paper labels, RFID tag witnessing corrected 100% of tag errors, didn't affect gamete/embryo operations, and notably shorten the time of entering data, but the cycle cost of RFID tags was significantly higher. However, no significant differences were observed in fertilization, embryo quality, blastocyst rates, clinical pregnancy, and live birth rates between two groups. Conclusions: RFID tag witnessing doesn't negatively impact gamete/embryo operation, embryo quality and pregnancy outcomes, but it potentially reduces the risk of mix-ups or errors. Despite highly increased cost, integrating RFID tag witnessing with real-time information entry can remarkably decrease the data entry time, substantially improving the work efficiency. This workflow-based management platform also enhances operational safety, ensures medical informational integrity, and boosts embryologist's confidence. [ABSTRACT FROM AUTHOR]

In order to effectively utilize data for laboratory management, a laboratory management model was studied, the author proposed a data-driven intelligent laboratory management process and logical architecture. For actual management work, there are mainly two types of operations: "Selection" and "action", the author proposes a data-driven laboratory intelligent management process and logical architecture; Based on the idea of big data, label systems are used to classify and store laboratory related data and laboratory evaluation GBDT and other algorithmic models; Building an intelligent laboratory management platform based on the label system has realized laboratory management functions, which are widely used and highly scalable. This data-driven laboratory intelligent management platform plays a role in the entire life cycle of laboratories, including laboratory demonstration construction, construction process management, experimental teaching and open use, operation management and maintenance, and experimental effect evaluation, and can promote the maximum effectiveness of laboratories, provide strong support for later construction project approval. [ABSTRACT FROM AUTHOR]

Background: Medical laboratories play crucial roles in healthcare, and effective enterprise risk management (ERM) is necessary to ensure business continuity, patient safety, and quality of care. In medical laboratories, ERM is important for enhancing patient safety, regulatory compliance and accreditation, quality management, business continuity, and cyber security. By following ERM principles and approaches, the medical laboratories can proactively manage their risks, improve patient safety, and maintain a high level of quality and reliability of outcomes. However, implementing ERM in medical laboratories faces unique challenges. This study explored the specific challenges and offers practical solutions for overcoming them to ensure successful ERM implementation in Harare, Zimbabwe. Methodology: A cross‐sectional survey was done through 41 self‐administered questionnaires and interviews with medical laboratory staff from the six main medical laboratories in Harare. Data were analyzed using the Statistical Package for Social Sciences version 22. Quantitative data were analyzed using descriptive statistics such as frequencies and percentages. Qualitative data were analyzed using mean scores of Likert scale responses. Results: The main challenges identified in the study included increased workload, staffing, organizational structures, timeliness of information, inadequate information technology support, and insufficient financial support in ERM. These can be addressed by portfolio management of risks, leveraging on cutting edge technology, restructuring to ensure swift responses to issues and redistributing staff workload, and training personnel to avoid burnouts and ensure maximum efficiency. Conclusion: Implementing ERM in medical laboratories requires understanding and addressing these challenges. By following the ERM principles and approaches the medical laboratories can proactively manage their risks, improve patient safety and maintain a high level of quality and reliability of outcomes ERM is still a new approach in the sector and needs further research. [ABSTRACT FROM AUTHOR]

Pectinophora gossypiella one of the most destructive pests of Bt cotton. P. gossypiella gradually became a serious threat after gaining resistance to Bt toxin after 2 decade owing to which resulted in huge economic losses to the cotton growers. Present investigation was carried in order to study the most favourable temperature of P. gossypiella for its growth and development under various altering temperature regimes (20:30°C, 24:30°C,28:30°C, 20:35°C, 24:35°C, 28:35°C, 20:40°C, 24:40°C and 28:40°C) of Integrated Pest Management Laboratory, Department of Entomology, PAU, Ludhiana during cotton crop season 2022-23. Three models (linear and nonlinear) were used to estimate the relation between temperature and development rate of different instars and stages of P. gossypiella. The results revealed that duration of all larval instars and total larval duration were significantly short at an alternating temperature of 28:40°C. The pupal duration, adult longevity and total developmental period of male and female were recorded significantly low at the alternate temperature of 28:40°C. The fecundity and survivability (egg, larval and pupal)was significantly highest at 28:30°C, whereas the larval and pupal weights were significantly highest at an alternate temperature of 28:35°C. The correlation between developmental parameters and fecundity showed significant negative correlation. The survival of egg, larva and pupa showed non-significant negative correlation, whereas the larval and pupal weights show non-significant positive correlation with alternate temperatures. Stinner nonlinear and Inverse second order polynomial model provided more suitable temperature conditions for the development of P. gossypiella. [ABSTRACT FROM AUTHOR]

Objectives Complete blood count and differential (CBC diff) is a common laboratory test that may be overused or misordered, particularly in an inpatient setting. We assessed the ability of a clinical decision support (CDS) alert to decrease unnecessary orders for CBC diff and analyzed its impact in the laboratory. Methods We designed 3 CDS alerts to provide guidance to providers ordering CBC diff on inpatients at frequencies of daily, greater than once daily, or as needed. Results The 3 alerts were highly effective in reducing orders for CBC diff at the frequencies targeted by the alert. Overall, test volume for CBC diff decreased by 32% (mean of 5257 tests per month) after implementation of the alerts, with a corresponding decrease of 22% in manual differentials performed (mean of 898 per month). Turnaround time for manual differentials decreased by a mean of 41.5 minutes, with a mean decrease of up to 90 minutes during peak morning hours. Conclusions The 3 CDS alerts successfully decreased inpatient orders for CBC diff and improved the quality of patient care by decreasing turnaround time for manual differentials. [ABSTRACT FROM AUTHOR]

Objectives This study aimed to develop a root cause analysis (RCA) model for test overutilization, applying it to transferrin overordering at our institution. Methods A comprehensive review was undertaken to establish a systematic RCA model. Upon implementation, the questionnaire identifying the root causes of transferrin overordering with infographic intervention was distributed to clinicians and nurses. Results The RCA model comprises 5 steps: (1) problem identification, (2) causal factor determination, (3) data collection, (4) significant factor identification, and (5) corrective action development and outcome measurement. The major causes of transferrin overutilization were confusion between transferrin and transferrin saturation, as well as unfamiliarity with the laboratory handbook. An infographic reduced postintervention transferrin ordering among clinicians (84.9%, P <.001) and nurses (46.8%, P <.001). Conclusions This study presents a 5-step RCA model that offers a customized method to identify the causes of test overutilization. Applying this model to transferrin at our institution revealed 22 leading root causes. Laboratories are encouraged to adopt this RCA model as it can contribute to optimized patient care and more efficient resource allocation. [ABSTRACT FROM AUTHOR]

Protein crystallography is an established method to study the atomic structures of macromolecules and their complexes. A prerequisite for successful structure determination is diffraction‐quality crystals, which may require extensive optimization of both the protein and the conditions, and hence projects can stretch over an extended period, with multiple users being involved. The workflow from crystallization and crystal treatment to deposition and publication is well defined, and therefore an electronic laboratory information management system (LIMS) is well suited to management of the data. Completion of the project requires key information on all the steps being available and this information should also be made available according to the FAIR principles. As crystallized samples are typically shipped between facilities, a key feature to be captured in the LIMS is the exchange of metadata between the crystallization facility of the home laboratory and, for example, synchrotron facilities. On completion, structures are deposited in the Protein Data Bank (PDB) and the LIMS can include the PDB code in its database, completing the chain of custody from crystallization to structure deposition and publication. A LIMS designed for macromolecular crystallography, IceBear, is available as a standalone installation and as a hosted service, and the implementation of key features for the capture of metadata in IceBear is discussed as an example. [ABSTRACT FROM AUTHOR]

Aim: To describe sodium and potassium intake, their sources and plasma concentrations, and the association between intake and morbidity in very‐low‐birthweight (VLBW, <1500 g) infants during the first week of life. Methods: This retrospective cohort study comprised 951 VLBW infants born at <32 weeks. Infants were divided into three groups according to gestational age: 23–26 (n = 275), 27–29 (n = 433) and 30–31 (n = 243) weeks. Data on fluid management and laboratory findings were acquired from an electronic patient information system. Results: The median sodium intake was highest in the 23–26 week group, peaking at 6.4 mmol/kg/day. A significant proportion of sodium derived from intravascular flushes; it reached 27% on day 1 in the 23–26 week group. High cumulative sodium intake in the first postnatal week was associated with weight gain from birth to day 8 in the 23–26 week group. High intake of sodium associated with an increased risk of surgically ligated patent ductus arteriosus (PDA), bronchopulmonary dysplasia and intraventricular haemorrhage, whereas low intake of potassium associated with an increased risk of PDA. Conclusion: Sodium intake in the most premature infants exceeded recommendations during the first postnatal week. Saline flushes accounted for a significant proportion of the sodium load. [ABSTRACT FROM AUTHOR]

The 3Hs Initiative is a concept that arose from the research and management of laboratory mice and rats of Professor Emma Robinson's laboratory at the University of Bristol. Our research is predominantly concerned with the treatment of psychiatric disorders and particularly symptoms of depression and apathy. Due to the nature of our work, it is important that we are confident that the animals we are working with are not being put into a negative affective state by their environment or as an unintended consequence of our interactions with them. Our approach focussed on methods which provide the optimal control populations and ensure we can quantify specific and relevant behavioural changes arising for experimental manipulations. As our research programme evolved, we have become more aware of the impact of stress caused to our animals by routine management approaches and physical restraint during procedures. We have looked at our housing, handling and habituation approaches to identify areas to make improvements. This is critical for our research outputs and has the benefit of reducing the cumulative suffering the animals experience by reducing stress and negative affective experiences associated with their day-to-day lives. We identified some key changes which can be made which benefit both Animal Welfare and our scientific objectives and experimental outcomes. [ABSTRACT FROM AUTHOR]

This document is a collection of abstracts from the Winter Meeting of the Journal of Pathology, covering various topics in pathology and precision medicine. The abstracts provide insights into research on T-cell dynamics in colorectal cancer, myoepithelial cells in breast cancer, biomarkers in lymphoproliferative disorders, and more. One study validates an AI test for prognostication in advanced prostate cancer, while others discuss post-mortem examinations, rare cases of diseases, and the impact of sex on oesophageal carcinoma outcomes. The document also includes studies on ketamine cystitis, primary breast lymphoma, and gene editing in hematopoietic stem cells. These abstracts offer valuable information for researchers and healthcare professionals. [Extracted from the article]

Carbapenemase-producing Enterobacterales are increasingly being recognized in nosocomial infections. The performance of a flow cytometry-based rapid assay for their detection and differentiation was evaluated. This is a disruptive phenotypic technology, phenotypic and growth-independent, that searches for the lesions produced by drugs acting on cells after a short incubation time. Overall, 180 Gram-negative bacteria were studied, and results were compared with those obtained molecularly by PCR and phenotypically by 'KPC, MBL and OXA-48 Confirm Kit'. This phenotypic method was used as reference for comparison purposes. Susceptibility to carbapenems (imipenem, meropenem, and ertapenem) was determined by standard broth microdilution. Overall, 112 isolates (62.2%) were carbapenemase producers, 41 KPCs, 36 MβLs, and 31 OXA-48, and 4 strains were KPC + MβL co-producers. Sixty-eight isolates were carbapenemase-negative. The percentage of agreement, sensitivity, and specificity were calculated according to ISO 20776-2:2021. The FASTinov assay showed 97.7% agreement with the reference method for carbapenemase detection. Discrepant flow cytometry results were obtained in four isolates compared with both reference and PCR results. The sensitivity and specificity of this new technology were 95.3% and 98.5%, respectively, for KPCs, 97.6% and 99.3% for MβLs, and 96.9% and 98% for OXA-48 detection. In conclusion, we describe a rapid flow cytometry assay with high accuracy for carbapenemase detection and the differentiation of various carbapenemases, which should impact clinical microbiology laboratories and patient management. [ABSTRACT FROM AUTHOR]

Computer System Validation (CSV) is a critical aspect of ensuring that any software or system used in regulated environments, such as pharmaceuticals, healthcare, and biotechnology, meets its intended purpose and operates consistently within specified parameters. The UV spectroscopy instrument, specifically the CARRY UV software, is a pivotal tool in analytical laboratories for measuring the absorbance and transmission of ultraviolet and visible light by a sample. Validating this software using the V-Model ensures its reliability, accuracy, and compliance with regulatory standards. The V-Model, or Validation Model, is a systematic approach widely used in software development and validation. It emphasizes verification and validation activities corresponding to each stage of the software development lifecycle. Key aspects include accuracy in measurement, data integrity, user access controls, and audit trails. This stage involves outlining the software's capabilities, such as wavelength range, data processing algorithms, user interface design, and integration with laboratory information management systems (LIMS). The design specifications phase involves creating a blueprint for the software's architecture. This includes the design of databases, software modules, and user interfaces. For CARRY UV software, it is crucial to ensure that the design supports robust data handling, secure user access, and accurate data processing. For the CARRY UV software, developers must focus on implementing algorithms for accurate spectral data analysis and ensuring the software's compatibility with various hardware configurations. Integration testing involves combining individual modules and testing them as a group. System testing validates the complete and integrated software to ensure it meets the specified requirements. For the CARRY UV software, this involves testing the entire workflow from sample measurement to data analysis and reporting. It ensures the software performs reliably under different conditions and usage scenarios Users test the CARRY UV software in a real-world environment to ensure it performs as expected. This phase includes installation qualification (IQ), operational qualification (OQ), and performance qualification (PQ) to ensure the CARRY UV software is installed correctly, operates according to specifications, and performs consistently in the production environment. Throughout the validation process, meticulous documentation is maintained. This includes validation plans, test scripts, test results, and validation reports. Documentation is essential for demonstrating compliance with regulatory requirements, such as those set by the FDA, EMA, or other relevant authorities. Validating the CARRY UV software using the V Model ensures a structured and thorough approach to verifying and validating the software's functionality, performance, and compliance. This methodical process helps identify and mitigate risks early, ensuring the software's reliability and integrity in critical analytical applications. Through rigorous testing and documentation, the V Model supports the delivery of a robust and compliant UV spectroscopy instrument software, ultimately enhancing laboratory efficiency and accuracy. [ABSTRACT FROM AUTHOR]

This article examines the architectural and urban aspects of the postwar oil industry in Houston, Texas, focusing on Humble Oil Company. It discusses how Humble Oil used architectural design to convey a pastoral image of its extractive activities. The article also explores the role of architecture in the oil industry's knowledge production and its integration into urban spaces. It emphasizes the influence of architectural firms like MacKie & Kamrath in shaping the built environment to attract skilled workers and support the industry's long-term success. The text also discusses Humble Oil's research center, unintended environmental consequences, corporate strategies, and its involvement in the establishment of NASA's Manned Spacecraft Center and the University of Houston at Clear Lake City. Overall, it highlights how Humble Oil's investments in various areas helped the company navigate the challenges of the oil industry. [Extracted from the article]

The health industry in Indonesia faces a variety of complex and multidimensional challenges. In the face of fierce competition from hospitals that offer self-contained laboratory services and the development of infrastructure that facilitates access to more well-equipped healthcare facilities, it is important to understand how service quality affects customer satisfaction and loyalty. This study aims to explore the influence of Service Quality on Customer Satisfaction and Customer Loyalty at the X Clinical Laboratory in Pematang Siantar City, as well as to examine the role of customer satisfaction as a mediator. The results show that Service Quality has a significant positive influence on customer satisfaction (coefficient: 0.8825), indicating that an improvement in Service Quality will increase customer satisfaction. Based on these findings, the management of Clinical Laboratory X is advised to implement several strategies to improve service quality, customer satisfaction, and loyalty to remain the top choice. [ABSTRACT FROM AUTHOR]

Objectives: The objective of this study was to perform a method comparison between the CellaVision preclassification neutrophil count and the reclassification neutrophil count performed by trained laboratory technicians, and to evaluate the diagnostic performance of the preclassification neutrophil count at clinical decision levels. Methods: We retrospectively identified patient samples through 2019–2022 in which the differential count was performed on Cellavision (n = 4,354). Data on sample characteristics and leukocyte- and differential counts was extracted from the electronic medical journal. For each sample, data containing the pre- and reclassification leukocyte classification, respectively, was extracted from the Cellavision software. Method comparison between the pre-and reclassification neutrophil count was performed using Bland Altman analysis. Diagnostic performance of the preclassification neutrophil count was evaluated according to four pre-specified categories of results with the reclassification as reference method. Results: The median difference between the pre- and reclassification neutrophil count was 0.044 x 109/L. The preclassification neutrophil count categorised 95.6% of all samples correctly according to the four categories. The sensitivity, specificity, positive predictive value and negative predictive value for detecting neutrophilia > 7.00 x 109/L was 98.8%, 97.2%, 95.8%, and 99.2%, respectively. In samples with leukopenia (n = 543), the sensitivity, specificity, positive predictive value and negative predictive value for detecting severe neutropenia (< 0.50 x 109/L) was 97.7%, 99.1%, 98.6%, and 98.5%, respectively. Conclusion: The diagnostic performance of the CellaVision preclassification neutrophil count was satisfactory. The preclassification neutrophil count may be released to the electronic medical journal to improve turnaround time and benefit laboratory management. [ABSTRACT FROM AUTHOR]

In response to the escalating inventory of laboratory equipment, the inadequacy of traditional manual management practices has become increasingly apparent. Current management challenges are underscored by historical data, which reveals a borrowing rate of approximately 30%, a concerning return rate of only about 5%, and an equipment loss rate of 10%. To address these inefficiencies, this paper introduces an advanced, intelligent laboratory equipment management system leveraging STM32 and GM65 technologies, designed to significantly enhance the return rate and minimize equipment loss. The system is meticulously engineered, featuring three integral modules: the scanning module, the core board module, and the communication module. The scanning module employs GM65 technology to rapidly scan and decode QR codes, facilitating the swift transmission of critical data to the core board for intelligent processing and interaction with the laboratory equipment. At the heart of the system, the core board module serves as the central processing unit, adeptly managing data from the scanning module. It intelligently discerns various information types and dynamically updates the TFT-LCD screen with the current status of equipment, ensuring that all users have access to real-time and accurate information regarding the borrowing and returning of equipment. The communication module is pivotal in bolstering the system's connectivity capabilities. Designed with a robust structure, the system is characterized by its simplicity of operation and robust practicality. It not only significantly improves the efficiency of laboratory equipment management but also plays a transformative role in modernizing laboratory management practices. By streamlining the management process and ensuring the optimal utilization of resources, this system provides a solid foundation for the sustainable advancement of laboratory operations. [ABSTRACT FROM AUTHOR]

A computer laboratory intelligent management and control system based on Internet of Things technology and deep learning is proposed to address the shortcomings of traditional university laboratory management. The system adopts the main embedded technology, mobile communication technology, wireless sensor technology and database storage technology in the Internet of Things technology, laboratory areas and equipment, identify and collect relevant data, monitor abnormal conditions in real time, and alarm. At the same time, the user is provided with a preview of the experimental content and a demonstration of the results through the handheld client APP. The experimental results show that: when the system is powered by 0.35A current, the total system power is about 3W. The NTC thermistor used has a B value of 3435. Under normal temperature, T2 = 298.15K, R = 10KO, R0 = 10KO. The current temperature value can be calculated according to the value obtained after the analog-to-digital conversion of the microcontroller. The output frequency of the humidity detection circuit is measured by the single-chip microcomputer, and the current ambient humidity can be obtained by substituting the result into the above formula, that is, when the output frequency dimension of the circuit is 6853Hz, the ambient humidity is 40%. Through the application of this system, the inefficient and extensive manual management method of the computer experimental teaching center is completely solved, so that it can bring more intelligent and efficient services to the teachers and students of the whole school, so as to comprehensively promote the experimental teaching of the school. [ABSTRACT FROM AUTHOR]

Background: This paper presents a data-driven strategy for establishing the reportable interval in clinical laboratory testing. The reportable interval defines the range of laboratory result values beyond which reporting should be withheld. The lack of clear guidelines and methodology for determining the reportable interval has led to potential errors in reporting and patient risk. Methods: To address this gap, the study developed an integrated strategy that combines statistical analysis, expert review, and hypothetical outlier calculations. A large data set from an accredited clinical laboratory was utilized, analyzing over 124 million laboratory test records from 916 distinct tests. The Dixon test was applied to identify outliers and establish the highest and lowest non-outlier result values for each test, which were validated by clinical pathology experts. The methodology also included matching the reportable intervals with relevant Logical Observation Identifiers Names and Codes (LOINC) and Unified Code for Units of Measure (UCUM)-valid units for broader applicability. Results: Upon establishing the reportable interval for 135 routine laboratory tests (493 LOINC codes), we applied these to a primary care laboratory data set of 23 million records, demonstrating their efficacy with over 1% of result records identified as implausible. Conclusions: We developed and tested a data-driven strategy for establishing reportable intervals utilizing large electronic medical record (EMR) data sets. Implementing the established interval in clinical laboratory settings can improve autoverification systems, enhance data reliability, and reduce errors in patient care. Ongoing refinement and reporting of cases exceeding the reportable limits will contribute to continuous improvement in laboratory result management and patient safety. [ABSTRACT FROM AUTHOR]

BACKGROUND: The brown marmorated stink bug, Halyomorpha halys (Stål) (Hemiptera: Pentatomidae), is a significant threat to crop production. Alternatives to synthetic pesticides are needed for its management. Here we investigated the effect of sulphur on H. halys. Experiments were performed to evaluate both mortality and deterrence/repellence of H. halys following sulphur treatments in laboratory and semi‐field conditions. RESULTS: Brown marmorated stink bug mortality was not influenced by sulphur applications. However, in two‐choice experiments in insect cages and olfactometer, more H. halys adults moved toward the untreated control rather than the sulphur‐treated food sources, with a high effect as the concentration increased. A semi‐field experiment using potted apple plants confirmed the results observed in the laboratory, showing a deterrent and/or repellent effect of sulphur‐based products on H. halys. CONCLUSIONS: Sulphur applications were associated with a deterrent/repellent effect on the brown marmorated stink bug. The use of sulphur‐based products could represent a promising tool for Integrated Pest Management strategies against H. halys in fruit crops. © 2024 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry. [ABSTRACT FROM AUTHOR]

Background: Molecular diagnostic technology is the foundation of precision medicine, which has the advantages of good specificity, high sensitivity, strong targeting, rapiddiagnosis, etc. It has a wide range of applications in the field of pediatrics. However, molecular diagnostic technology is characterized by complicated experimental operation, high difficulty in data analysis and interpretation, in consistent standards among laboratories, and difficult standardization of technical processes. Enhancing the application value of molecular diagnostic technology in pediatrics and promoting the high‐quality development of the discipline requires careful consideration by relevant management and professionals. Methods: This study firstly outlines the development history of molecular diagnostic technology. Then, it analyzes the application of molecular diagnostic technology in the field of pediatrics. Finally, it explores the countermeasures for the management of molecular diagnostic laboratories. Results: This study highlights the importance of molecular diagnostic technology in providing information and decision‐making basis for disease prevention, prediction,diagnosis, treatment and regression. It has a wide range of applications in the molecular diagnosis of pediatric hereditary diseases, malignant tumors and infectious diseases. In addition, the countermeasures for the management of molecular diagnostic laboratories are proposed from the five aspects of laboratory, personnel team construction, standardized management,multidisciplinary cross‐discipline, research and translation, safety managementand ethical supervision, and management upgrading and modernization. Conclusions: Molecular diagnostic technology, as the basis of precision medicine, has become one of the important frontier fields in the development of contemporary pediatric medicine. Enhanced laboratory capacity in molecular diagnostic techniques can improve outcomes in the prevention, prediction, diagnosis, treatment, prognosis and research of pediatricdiseases, and lay the groundwork for child healthcare. [ABSTRACT FROM AUTHOR]

Excellent laboratory conditions and efficient management are essential for the success of experimental class instruction. To utilize laboratories more scientifically and effectively, providing an enhanced teaching platform for both educators and students, laboratory technicians need to engage in more efficacious management strategies. In the context of broad-based admission, where the inorganic chemistry laboratory often serves as the initial point of entry for college students into laboratory settings, technicians have embarked on exploration and implementation of strategic measures. These include optimizing laboratory layout and enforcing laboratory management systems, all aimed at serving the needs of teachers and students and guided by the requirements of the curriculum. This paper discusses the explorations and practices undertaken in these areas. [ABSTRACT FROM AUTHOR]

The HUNT Biobank in Norway holds biological samples from 110,000 participants in the HUNT Study. The biobank contains a variety of samples, including blood, DNA, urine, and fecal samples, which are available for research purposes. The biobank has a unique identification number for each participant, allowing for linkage to local and national registries. The data and samples from the biobank are accessible to national and international research groups. The HUNT Study is a valuable resource for epidemiological studies, disease risk prediction, and clinical translation. The biobank collects and stores various types of samples, which are processed and stored at specific temperatures. The biobank uses a Laboratory Information Management System to manage and track the samples. The storage facilities include liquid nitrogen freezers, chest freezers, and automatic storage systems. The biobank also conducts DNA and RNA extractions, quality assurance, and biomarker analyses. The data and samples from the HUNT Biobank are accessible to researchers with approval from the Regional Committee for Medical and Health Ethics. [Extracted from the article]

This document is a collection of abstracts and summaries of various studies and case studies related to cytology and pathology. The topics covered include the use of cytology in diagnosing various types of cancer, the role of molecular testing in personalized medicine, the importance of standardized protocols and techniques, and the challenges and benefits of cytological diagnosis. The studies provide valuable insights into the field of cytology and offer information that can be useful for library patrons conducting research in this area. [Extracted from the article]

The article offers information on the role of quality partners in healthcare, including standards development organizations (SDOs), accreditation bodies and proficiency testing organizations. Topics discussed include how these partners help medical laboratories improve quality; meet requirements; prevent errors; and ensure quality care and continual improvement, ultimately benefiting patients and reducing costs.

LabMedUK24, hosted by the Association for Laboratory Medicine (LabMed), took place in Brighton in June 2024. The conference featured plenary lectures on scientific and clinical research, including discussions on laboratory medicine's role in addressing health disparities. Sessions covered topics such as faecal testing, paediatric biochemistry, and myeloma, showcasing innovative research and advancements in the field. The event also included presentations on leadership in laboratory management, home self-testing, and the future implications of AI and machine learning in healthcare. The conference concluded with awards recognizing outstanding contributions to laboratory medicine and engaging clinical case presentations. [Extracted from the article]

Laboratory chemical synthesis research typically lacks the preplanned hazard responses found in production-scale industrial laboratories. Chemical safety management is a known challenge in education-based facilities, which is concerning for academic and national laboratory environments working with inexperienced student researchers. At the Molecular Foundry, a U.S. Department of Energy (DOE) user facility, a chemical safety management form has been developed that follows DOE’s Integrated Safety Management (ISM) process, which evaluates the risks and hazards associated with all forms of work. An ISM form for chemical synthesis is described here in detail. It is regularly used to guide chemical safety discussions between researchers and supervisors, to plan accident responses, and to establish triggers, at which point a reevaluation of the work is needed. The form makes it straightforward to know what limits researchers may work within and makes it clear which procedure changes will require a new safety assessment and discussion before work continues. The ISM form for synthesis is being successfully used in three fields of chemistry: Inorganic, Organic, and Biological. The form has also been adapted for liquid sample preparation in electron microscopy. Upper management, supervisors, students, and general users are engaged in this process. It is hoped that sharing this knowledge will enable educational institutions and other laboratories to develop similar methods to help researchers and supervisors understand the hazards as well as the working limits of any protocol, helping researchers to work more independently and safely within the laboratory.

This document discusses the management of venous and arterial thrombosis, which are blockages in blood vessels that can lead to obstruction of blood flow. It highlights the impact of thrombosis on conditions such as acute myocardial infarction, stroke, deep venous thrombosis, and pregnancy loss. The document also explores diagnostic methods, risk indicators, and treatment options for thrombosis, including anticoagulant drugs and novel therapies. Additionally, it mentions the association between inflammation, infections like COVID-19, and an increased risk of thromboembolic episodes. The authors hope that the information provided in this document will contribute to improving the management of patients with thromboembolisms. [Extracted from the article]

Given the growing number of patients receiving direct oral anticoagulant (DOAC), patients requiring rapid neutralization is also increasing in case of major bleedings or urgent surgery/procedures. Idarucizumab is commercialized as a specific antidote to dabigatran while andexanet alfa has gained the Food and Drug Administration and the European Medicines Agency approval as an oral anti-factor Xa inhibitors antidote. Other antidotes or hemostatic agents are still under preclinical or clinical development, the most advanced being ciraparantag. DOAC plasma levels measurement allows to appropriately select patient for antidote administration and may prevent unnecessary prescription of expensive molecules in some acute clinical settings. However, these tests might be inconclusive after some antidote administration, namely andexanet alfa and ciraparantag. The benefit of laboratory monitoring following DOAC reversal remains unclear. Here, we sought to provide an overview of the key studies evaluating the safety and efficacy of DOAC reversal using the most developed/commercialized specific antidotes, to discuss the potential role of the laboratory monitoring in the management of patients receiving DOAC specific antidotes and to highlight the areas that deserve further investigations in order to establish the exact role of laboratory monitoring in the appropriate management of DOAC specific antidotes. Anticoagulation monitoring and specific reversal agent targets DOAC: direct oral anticoagulant; dTT: diluted thrombin time; ECA: ecarin chromogenic assay; ECT: ecarin cloting time. [Display omitted] • Antidotes for direct oral anticoagulant (DOAC) reversal have been developed. • The role of laboratory monitoring in DOAC reversal using antidotes is unclear. • Dabigatran level prior to idarucizumab could predict reversal outcome. • Oral FXa inhibitor levels cannot be easily measured following andexanet alfa. • DOAC measurement using commercialized assays is not possible after ciraparantag. [ABSTRACT FROM AUTHOR]

Introduction: Clinical laboratories should guarantee sample stability in specific storage conditions for further analysis. The aim of this study is to evaluate the stability of plasma samples under refrigeration for 29 common biochemical analytes usually ordered within an emergency context, in order to determine the maximum allowable period for conducting add-on testing. Materials and methods: A total of 20 patient samples were collected in lithium heparin tubes without gel separator. All analyses were performed using Alinity systems (Abbott Laboratories, Abbott Park, USA) and samples were stored at 2-8 °C. Measurements were conducted in primary plasma tubes at specific time points up to 48 hours, with an additional stability study in plasma aliquots extending the time storage up to 96 hours. The stability limit was estimated considering the total limit of change criteria. Results: Of the 29 studied parameters, 24 demonstrated stabilities within a 48-hour storage period in primary plasma tubes. However, five analytes: aspartate aminotransferase, glucose, lactate dehydrogenase, inorganic phosphate and potassium evidenced instability at different time points (7.9 hours, 2.7 hours, 2.9 hours, 6.2 hours and 4.7 hours, respectively). The stability study in plasma aliquots showed that all parameters remained stable for 96 hours, except lactate dehydrogenase, with a stability limit of 63 hours. Conclusions: A reduced stability of primary plasma samples was observed for five common biochemical analytes ordered in an emergency context. To ensure the quality of add-on testing for these samples, plasma aliquots provide stability for a longer period. [ABSTRACT FROM AUTHOR]

Neurofilament proteins have been validated as specific body fluid biomarkers of neuro-axonal injury. The advent of highly sensitive analytical platforms that enable reliable quantification of neurofilaments in blood samples and simplify longitudinal follow-up has paved the way for the development of neurofilaments as a biomarker in clinical practice. Potential applications include assessment of disease activity, monitoring of treatment responses, and determining prognosis in many acute and chronic neurological disorders as well as their use as an outcome measure in trials of novel therapies. Progress has now moved the measurement of neurofilaments to the doorstep of routine clinical practice for the evaluation of individuals. In this Review, we first outline current knowledge on the structure and function of neurofilaments. We then discuss analytical and statistical approaches and challenges in determining neurofilament levels in different clinical contexts and assess the implications of neurofilament light chain (NfL) levels in normal ageing and the confounding factors that need to be considered when interpreting NfL measures. In addition, we summarize the current value and potential clinical applications of neurofilaments as a biomarker of neuro-axonal damage in a range of neurological disorders, including multiple sclerosis, Alzheimer disease, frontotemporal dementia, amyotrophic lateral sclerosis, stroke and cerebrovascular disease, traumatic brain injury, and Parkinson disease. We also consider the steps needed to complete the translation of neurofilaments from the laboratory to the management of neurological diseases in clinical practice. Neurofilaments have been validated as specific body fluid biomarkers of neuro-axonal injury. In this Review, Khalil and colleagues provide an update on the structure and function of neurofilaments, analytical approaches and challenges in different clinical contexts, and progress towards clinical application of neurofilaments as a biomarker in various neurological disorders. Key points: Neurofilament proteins have emerged as one of the most important body fluid biomarkers of neuro-axonal injury in a wide range of neurological diseases. High-sensitivity analytical platforms enable reliable quantification of neurofilament light chain (NfL) levels in blood samples, paving the way for their use in clinical practice. Establishment of large reference databases of physiological blood levels of NfL adjusted for age and BMI was a major milestone towards the clinical use of NfL. Neurofilament levels can often not be used to diagnose disease entities but are useful as a diagnostic type biomarker in the preclinical phases of neurodegenerative diseases and as markers of disease progression, prognosis, and treatment response. Neurofilament levels are increasingly used as an outcome measure in clinical trials; FDA approval of tofersen was based on changes in blood NfL levels, marking a paradigm shift in the importance of biomarkers in regulatory approvals. Standardization and cross-compatibility of neurofilament measures taken with current emerging analytic platforms are key to completing the translation of neurofilaments into clinical practice. [ABSTRACT FROM AUTHOR]

Background: This study aims to evaluate the ability of laboratories to perform spinal muscular atrophy (SMA) genetic testing in newborns based on dried blood spot (DBS) samples, and to provide reference data and advance preparation for establishing the pilot external quality assessment (EQA) scheme for SMA genetic testing of newborns in China. Methods: The pilot EQA scheme contents and evaluation principles of this project were designed by National Center for Clinical Laboratories (NCCL), National Health Commission. Two surveys were carried out in 2022, and 5 batches of blood spots were submitted to the participating laboratory each time. All participating laboratories conducted testing upon receiving samples, and test results were submitted to NCCL within the specified date. Results: The return rates were 75.0% (21/28) and 95.2% (20/21) in the first and second surveys, respectively. The total return rate of the two examinations was 83.7% (41/49). Nineteen laboratories (19/21, 90.5%) had a full score passing on the first survey, while in the second survey twenty laboratories (20/20, 100%) scored full. Conclusions: This pilot EQA survey provides a preliminary understanding of the capability of SMA genetic testing for newborns across laboratories in China. A few laboratories had technical or operational problems in testing. It is, therefore, of importance to strengthen laboratory management and to improve testing capacity for the establishment of a national EQA scheme for newborn SMA genetic testing. [ABSTRACT FROM AUTHOR]

The article titled "A Beginner's Guide to Laboratory-Vendor Relationships" discusses the importance of maintaining strong relationships between laboratories and vendors in the field of laboratory medicine. While vendor relationships are typically transactional, the article argues that collaborative dialogue between vendors and customers is necessary for quality laboratory testing. The article highlights common scenarios that hinder these relationships and provides best practice guidance for fostering collaboration. It emphasizes the need for effective communication, timely escalation of issues, and transparency between vendors and customers. [Extracted from the article]

As part of the Immunization Agenda 2030, a global strategy for comprehensive vaccine-preventable disease (VPD) surveillance was developed. The strategy provides guidance on the establishment of high-quality surveillance systems that are 1) comprehensive, encompassing all VPD threats faced by a country, in all geographic areas and populations, using all laboratory and other methodologies required for timely and reliable disease detection; 2) integrated, wherever possible, taking advantage of shared infrastructure for specific components of surveillance such as data management and laboratory systems; 3) inclusive of all relevant data needed to guide immunization program management actions. Such surveillance systems should generate data useful to strengthen national immunization programs, inform vaccine introduction decision-making, and reinforce timely and effective detection and response. All stakeholders in countries and globally should work to achieve this vision. [ABSTRACT FROM AUTHOR]

Simple Summary: Zebrafish have emerged as invaluable model organisms in biological research, offering a cost-effective alternative to rodents. However, the absence of standardized feeding protocols and nutritional requirements poses a significant challenge, potentially compromising the validity of experimental outcomes, particularly in preclinical studies. Our systematic review analyzes a plethora of studies focused on zebrafish feed intake, feeding regimes, and diet compositions. We uncover substantial variability in dietary parameters, notably in crude protein and lipid content. Despite this diversity, energy levels remain quite consistent across zebrafish diets. By using these insights, we propose a novel feeding protocol for zebrafish of different developmental stages, based on a formulated feed optimized for protein and energy content. This protocol might represent the first step towards standardizing zebrafish feeding practices, thereby enhancing experimental reproducibility and data reliability. Zebrafish are one of the most used animal models in biological research and a cost-effective alternative to rodents. Despite this, nutritional requirements and standardized feeding protocols have not yet been established for this species. This is important to avoid nutritional effects on experimental outcomes, and especially when zebrafish models are used in preclinical studies, as many diseases have nutritional confounding factors. A key aspect of zebrafish nutrition is related to feed intake, the amount of feed ingested by each fish daily. With the goal of standardizing feeding protocols among the zebrafish community, this paper systematically reviews the available data from 73 studies on zebrafish feed intake, feeding regimes (levels), and diet composition. Great variability was observed regarding diet composition, especially regarding crude protein (mean 44.98 ± 9.87%) and lipid content (9.91 ± 5.40%). Interestingly, the gross energy levels of the zebrafish diets were similar across the reviewed studies (20.39 ± 2.10 kilojoules/g of feed). In most of the reviewed papers, fish received a predetermined quantity of feed (feed supplied). The authors fed the fish according to the voluntary intake and then calculated feed intake (FI) in only 17 papers. From a quantitative point of view, FI was higher than when a fixed quantity (pre-defined) of feed was supplied. Also, the literature showed that many biotic and abiotic factors may affect zebrafish FI. Finally, based on the FI data gathered from the literature, a new feeding protocol is proposed. In summary, a daily feeding rate of 9–10% of body weight is proposed for larvae, whereas these values are equal to 6–8% for juveniles and 5% for adults when a dry feed with a proper protein and energy content is used. [ABSTRACT FROM AUTHOR]

Objectives Analysis of laboratory value often lacks assessment of the laboratory's impact on quality of care. In this study, we aimed to determine the impact of bringing a heparin-induced thrombocytopenia (HIT) antibody assay in-house on a quality metric—patient hospital length of stay (LOS)—and assess any associated cost savings. Methods A retrospective review of patient visits with a HIT antibody assay over a 7-year period determined the mean LOS in send-out vs in-house HIT antibody assay cohorts as well as cohorts of positive and negative results. Our systemwide mean LOS and metrics of acuity were analyzed. We performed a financial analysis of estimated cost savings. Results We found a mean LOS reduction of 3.97 days in the in-house cohort, with no evidence of a systemwide LOS decrease or a decline in patient acuity. This reduction was largely driven by a reduction in LOS among patients with a negative assay result. We found an estimated total cost savings of $3.9 million and an estimated mean savings per patient of $7,305, despite escalating health care costs over time. Conclusions We demonstrated a reduction in LOS following the introduction of an in-house HIT antibody assay that cannot be attributed to either systemwide initiatives or reduced patient acuity and was driven largely by patients with negative assays. This reduction was associated with significant estimated cost savings. [ABSTRACT FROM AUTHOR]