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Journal articles on the topic 'Microfluidics – Equipment and supplies'

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Author: Grafiati

Published: 10 December 2022

Last updated: 28 January 2023

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1

Grant, Nicholas, Brian Geiss, Stuart Field, August Demann, and Thomas W. Chen. "Design of a Hand-Held and Battery-Operated Digital Microfluidic Device Using EWOD for Lab-on-a-Chip Applications." Micromachines 12, no. 9 (September 1, 2021): 1065. http://dx.doi.org/10.3390/mi12091065.

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Microfluidics offer many advantages to Point of Care (POC) devices through lower reagent use and smaller size. Additionally, POC devices offer the unique potential to conduct tests outside of the laboratory. In particular, Electro-wetting on Dielectric (EWOD) microfluidics has been shown to be an effective way to move and mix liquids enabling many PoC devices. However, much of the research surrounding these microfluidic systems are focused on a single aspect of the system capability, such as droplet control or a specific new application at the device level using the EWOD technology. Often in these experiments the supporting systems required for operation are bench top equipment such as function generators, power supplies, and personal computers. Although various aspects of how an EWOD device is capable of moving and mixing droplets have been demonstrated at various levels, a complete self-contained and portable lab-on-a-chip system based on the EWOD technology has not been well demonstrated. For instance, EWOD systems tend to use high voltage alternating current (AC) signals to actuate electrodes, but little consideration is given to circuitry size or power consumption of such components to make the entire system portable. This paper demonstrates the feasibility of integrating all supporting hardware and software to correctly operate an EWOD device in a completely self-contained and battery-powered handheld unit. We present results that demonstrate a complete sample preparation flow for deoxyribonucleic acid (DNA) extraction and isolation. The device was designed to be a field deployable, hand-held platform capable of performing many other sample preparation tasks automatically. Liquids are transported using EWOD and controlled via a programmable microprocessor. The programmable nature of the device allows it to be configured for a variety of tests for different applications. Many considerations were given towards power consumption, size, and system complexity which make it ideal for use in a mobile environment. The results presented in this paper show a promising step forward to the portable capability of microfluidic devices based on the EWOD technology.

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Zhou, Wuping, Cong Liu, Tao Zhang, Keming Jiang, Haiwen Li, Zhiqiang Zhang, and Yuguo Tang. "Low Cost, Easily-Assembled Centrifugal Buoyancy-Based Emulsification and Digital PCR." Micromachines 13, no. 2 (January 24, 2022): 171. http://dx.doi.org/10.3390/mi13020171.

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Microfluidic-based droplet generation approaches require the design of microfluidic chips and a precise lithography process, which require skilled technicians and a long manufacturing time. Here we developed a centrifugal buoyancy-based emulsification (CBbE) method for producing droplets with high efficiency and minimal fabrication time. Our approach is to fabricate a droplet generation module that can be easily assembled using syringe needles and PCR tubes. With this module and a common centrifuge, high-throughput droplet generation with controllable droplet size could be realized in a few minutes. Experiments showed that the droplet diameter depended mainly on centrifugal speed, and droplets with controllable diameter from 206 to 158 μm could be generated under a centrifugal acceleration range from 14 to 171.9 g. Excellent droplet uniformity was achieved (CV < 3%) when centrifugal acceleration was greater than 108 g. We performed digital PCR tests through the CBbE approach and demonstrated that this cost-effective method not only eliminates the usage of complex microfluidic devices and control systems but also greatly suppresses the loss of materials and cross-contamination. CBbE-enabled droplet generation combines both easiness and robustness, and breaks the technical challenges by using conventional lab equipment and supplies.

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Rumaner, Horowitz, Ovadya, and Folch. "Thread as a Low-Cost Material for Microfluidic Assays on Intact Tumor Slices." Micromachines 10, no. 7 (July 17, 2019): 481. http://dx.doi.org/10.3390/mi10070481.

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In this paper we describe the use of thread as a low-cost material for a microfluidic chemosensitivity assay that uses intact tumor tissue ex vivo. Today, the need for new and effective cancer treatments is greater than ever, but unfortunately, the cost of developing new chemotherapy drugs has never been higher. Implementation of low-cost microfluidic techniques into drug screening devices could potentially mitigate some of the immense cost of drug development. Thread is an ideal material for use in drug screening as it is inexpensive, widely available, and can transport liquid without external pumping hardware, i.e., via capillary action. We have developed an inexpensive microfluidic delivery prototype that uses silk threads to selectively deliver fluids onto subregions of living xenograft tumor slices. Our device can be fabricated completely for less than $0.25 in materials and requires no external equipment to operate. We found that by varying thread materials, we could optimize device characteristics, such as flow rate; we specifically explored the behavior of silk, nylon, cotton, and polyester. The incremental cost of our device is insignificant compared to the tissue culture supplies. The use of thread as a microfluidic material has the potential to produce inexpensive, accessible, and user-friendly devices for drug testing that are especially suited for low-resource settings.

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Kehren, A., MG Procopio, B. Pelz, Z. Siddiqui, K. Roman, S. Adnane, S. Brajkovic, C. Hoyt, DG Dupouy, and A. Soltermann. "P03.07 Fast automated microfluidic-based multiplexed immunofluorescence for tumor microenvironment analysis." Journal for ImmunoTherapy of Cancer 8, Suppl 2 (October 2020): A25.1—A25. http://dx.doi.org/10.1136/jitc-2020-itoc7.47.

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BackgroundImmuno-oncology and targeted molecular therapies have acquired a central role in the treatment of multiple cancers. Consequently, high-throughput biomarker analysis and tumor immune profiling have seen an increased demand. Multiplexed immuno-assays are a powerful tool to address these needs, but still time- and resource-consuming. Our goal is to develop a fast and automated high-plex fluorescent immunostaining procedure, using a microfluidic-based device, that can be easily implemented as routine assay.Materials and MethodsProtocol optimization has been performed on FFPE sections of human tonsil. Slides were manually deparaffinized before being entirely processed (antigen-retrieval, staining, elution and counterstaining) by Lunaphore’s autostainer, LabSatTM. The OPAL® tyramide signal amplification (TSA) system was used as detection method. Signal analysis was done on Mantra® workstation. The 6-plex panel was composed of FoxP3, PD-L1, PD-1, CD68, CD8 and pan-CK, plus DAPI counterstaining. Protocols were subsequently transferred on NSCLC representative specimens and finally assessed on a TMA cohort.ResultsOur platform allowed to reduce drastically the incubation times due to active transport of reagents across the tissue. Thereby, the automated 6-plex assay could be performed in less than 4h30min, within the timeframe of a single IHC standard assay. Protocol optimization resulted in high signal-to-background ratio for each marker and removal of previous step antibodies over 99%. LabSatTM also guaranteed remarkable signal uniformity, even over large tissue sections with less than 10% signal gradient over 1 cm. On NSCLC samples, the detected pattern and expression level for all six biomarkers were comparable to the standard chromogenic stainings performed with standard automated tissue stainer.ConclusionsLabSatTM autostainer enables multistaining runs in a timely manner, opening the perspective of rapid simultaneous detection of multiple markers in their morphological context on a routine-based approach. This versatile analysis tool can offer a better and more quantitative understanding of tumor heterogeneity and microenvironmental interactions, allowing advances in targeted therapy for lung cancer as well as broader spectrum of malignancies.Disclosure InformationA. Kehren: A. Employment (full or part-time); Significant; Lunaphore Technologies SA. C. Other Research Support (supplies, equipment, receipt of drugs or other in-kind support); Significant; Akoya Biosciences. M.G. Procopio: B. Research Grant (principal investigator, collaborator or consultant and pending grants as well as grants already received); Significant; KTI grant (Schweiz). B. Pelz: A. Employment (full or part-time); Significant; Lunaphore Technologies SA. C. Other Research Support (supplies, equipment, receipt of drugs or other in-kind support); Significant; Akoya Biosciences. Z. Siddiqui: A. Employment (full or part-time); Modest; Lunaphore Technologies SA. K. Roman: A. Employment (full or part-time); Significant; Akoya Biosciences. S. Adnane: A. Employment (full or part-time); Modest; Lunaphore Technologies SA. S. Brajkovic: A. Employment (full or part-time); Significant; Lunaphore Technologies SA. C. Hoyt: A. Employment (full or part-time); Significant; Akoya Biosciences. D.G. Dupouy: A. Employment (full or part-time); Significant; Lunaphore Technologies SA. E. Ownership Interest (stock, stock options, patent or other intellectual property); Significant; Lunaphore Technologies SA. A. Soltermann: A. Employment (full or part-time); Significant; Institut für Klinische Pathologie Universitätsspital Zürich.

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5

Herrasti, Zorione, Erica de la Serna, Gisela Ruiz-Vega, and Eva Baldrich. "Developing enhanced magnetoimmunosensors based on low-cost screen-printed electrode devices." Reviews in Analytical Chemistry 35, no. 2 (July 1, 2016): 53–85. http://dx.doi.org/10.1515/revac-2016-0004.

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AbstractElectrochemical magnetoimmunosensors combine a number of issues that guarantee extremely high performance and also compatibility with the study of complex sample matrices. First, analyte immunocapture exploits the high affinity and specificity of antibodies. Second, magnetic particles (MP) provide faster and more efficient immunocapture than binding on two-dimensional structures, separation from nontarget sample components, and concentration of the target analyte. Finally, electrochemical detection supplies sensitivity and fast signal generation using robust and potentially miniaturized measurement equipment and transducers. On the contrary, MP handling is slightly more complex for end-users and more difficult to integrate in point-of-care devices than the manipulation of a classical biosensor. Attempts have been made to automate immunomagnetic binding, and the first robotized systems and platforms for the fluorescent and spectrophotometric detection of magnetoimmunoassays have already reached the market. Among the different types of electrodes available, screen-printed electrodes (SPE) stand out because of their low production cost and yet acceptable performance and interdevice reproducibility, which make them an excellent choice for analytical applications. In addition, each SPE entails a whole electrochemical cell stamped on a planar physical substrate, which makes it possible detection in small volumes and is especially favorable for the magnetic confinement of MP and the integration of microfluidic structures. In this article, we discuss the advantages obtained by using SPE and MP for the production of electrochemical magnetoimmunosensors and the clues for the successful development of such devices. We then revise some of the most outstanding works published in the literature.

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6

Zavada, Jack. "Supplies and equipment." Day Care & Early Education 16, no. 2 (December 1988): 47. http://dx.doi.org/10.1007/bf01622989.

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7

Fox, Sandra, Shauna Farr-Jones, and Mary Alice Yund. "High Throughput Screening for Drug Discovery: Continually Transitioning into New Technology." Journal of Biomolecular Screening 4, no. 4 (August 1999): 183–86. http://dx.doi.org/10.1177/108705719900400405.

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Those working in HTS laboratories, pressured to find increasing numbers of drug leads while containing costs, are seeking larger compound sets, more automated systems to screen them faster, and an integrated set of equipment and consumables. Enabling technologies are continually being developed and suppliers are teaming up to supply integrated equipment and consumable sets. Miniaturization, microfluidic chips, subnanoliter dispensing, fluorescence, homogeneous assays for HTS, and virtual screening are just some of the evolving tools that HTS experts are continually evaluating and incorporating into drug discovery operations.

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8

Bécourt, Philippe. "Blister Packing Equipment for Clinical Supplies." Drug Information Journal 27, no. 3 (July 1993): 889–93. http://dx.doi.org/10.1177/009286159302700330.

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9

Alistar, Mirela. "Mobile Microfluidics." Bioengineering 6, no. 1 (January 3, 2019): 5. http://dx.doi.org/10.3390/bioengineering6010005.

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Microfluidics platforms can program small amounts of fluids to execute a bio-protocol, and thus, can automate the work of a technician and also integrate a large part of laboratory equipment. Although most microfluidic systems have considerably reduced the size of a laboratory, they are still benchtop units, of a size comparable to a desktop computer. In this paper, we argue that achieving true mobility in microfluidics would revolutionize the domain by making laboratory services accessible during traveling or even in daily situations, such as sport and outdoor activities. We review the existing efforts to achieve mobility in microfluidics, and we discuss the conditions mobile biochips need to satisfy. In particular, we show how we adapted an existing biochip for mobile use, and we present the results when using it during a train ride. Based on these results and our systematic discussion, we identify the challenges that need to be overcome at technical, usability and social levels. In analogy to the history of computing, we make some predictions on the future of mobile biochips. In our vision, mobile biochips will disrupt how people interact with a wide range of healthcare processes, including medical testing and synthesis of on-demand medicine.

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10

Sun, Yang, Xin Wang, Ke Peng Zhang, and Xiao Tang. "Study on Supplies Loading of Equipment Support Force." Applied Mechanics and Materials 333-335 (July 2013): 2089–92. http://dx.doi.org/10.4028/www.scientific.net/amm.333-335.2089.

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This paper mathematically described the supplies loading problem of military equipment support dispatching force. Through taking all supplies average loading as the objective function, taking the same kind of supplies group loading, no overweight and overcapacity, no-repeated loading and packing as constraint conditions, optimization model was put forward. And the effectiveness of the model was validated by the example computation.

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11

Elyani, Fitriyah. "Implementation of National Standards of Educational Facilities and Infrastructure." Indonesian Journal of Education (INJOE) 2, no. 2 (February 25, 2022): 128–37. http://dx.doi.org/10.54443/injoe.v2i2.18.

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The implementation of the administration of equipment and supplies is already a routine job and people are faced with less significant difficulties, but to improve the work the experts suggest some guidelines for the implementation of the administration, the principal as an administrator should not be too busy himself directly with the affairs of the administration of equipment and supplies. teaching equipment, carrying out proper recording so that it is easy to do, administration of teaching equipment and equipment must always be reviewed from a service perspective to help facilitate the implementation of teaching programs The above conditions will be met if the administrator includes all teachers in planning the selection, distribution and use and supervision of teaching equipment and supplies.

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12

Nguyen, Hoang-Tuan, Ha Thach, Emmanuel Roy, Khon Huynh, and Cecile Perrault. "Low-Cost, Accessible Fabrication Methods for Microfluidics Research in Low-Resource Settings." Micromachines 9, no. 9 (September 12, 2018): 461. http://dx.doi.org/10.3390/mi9090461.

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Microfluidics are expected to revolutionize the healthcare industry especially in developing countries since it would bring portable, easy-to-use, self-contained diagnostic devices to places with limited access to healthcare. To date, however, microfluidics has not yet been able to live up to these expectations. One non-negligible factor can be attributed to inaccessible prototyping methods for researchers in low-resource settings who are unable to afford expensive equipment and/or obtain critical reagents and, therefore, unable to engage and contribute to microfluidics research. In this paper, we present methods to create microfluidic devices that reduce initial costs from hundreds of thousands of dollars to about $6000 by using readily accessible consumables and inexpensive equipment. By including the scientific community most embedded and aware of the requirements of healthcare in developing countries, microfluidics will be able to increase its reach in the research community and be better informed to provide relevant solutions to global healthcare challenges.

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13

Ritzman, Dana. "HCFA regulations for sterile supplies and equipment." Journal of WOCN 29, no. 1 (January 2002): 0006. http://dx.doi.org/10.1067/mjw.2002.121489.

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14

Ross, D. "Power struggle [power supplies for portable equipment]." IEE Review 49, no. 7 (July 1, 2003): 34–38. http://dx.doi.org/10.1049/ir:20030705.

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15

Ritzman, Dana. "HCFA REGULATIONS FOR STERILE SUPPLIES AND EQUIPMENT." Journal of Wound, Ostomy and Continence Nursing 29, no. 1 (January 2002): 6. http://dx.doi.org/10.1097/00152192-200201000-00004.

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16

Wooten, Mary Kay. "HCFA REGULATIONS FOR STERILE SUPPLIES AND EQUIPMENT." Journal of Wound, Ostomy and Continence Nursing 29, no. 1 (January 2002): 6. http://dx.doi.org/10.1097/00152192-200201000-00005.

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17

Sprung, Charles L., and Jozef Kesecioglu. "Chapter 5. Essential equipment, pharmaceuticals and supplies." Intensive Care Medicine 36, S1 (March 7, 2010): 38–44. http://dx.doi.org/10.1007/s00134-010-1763-2.

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18

Bhardwaj, Tanu, Lakshmi Ramana, and Tarun Sharma. "Current Advancements and Future Road Map to Develop ASSURED Microfluidic Biosensors for Infectious and Non-Infectious Diseases." Biosensors 12, no. 5 (May 20, 2022): 357. http://dx.doi.org/10.3390/bios12050357.

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Better diagnostics are always essential for the treatment and prevention of a disease. Existing technologies for detecting infectious and non-infectious diseases are mostly tedious, expensive, and do not meet the World Health Organization’s (WHO) ASSURED (affordable, sensitive, specific, user-friendly, rapid and robust, equipment-free, and deliverable to end user) criteria. Hence, more accurate, sensitive, and faster diagnostic technologies that meet the ASSURED criteria are highly required for timely and evidenced-based treatment. Presently, the diagnostics industry is finding interest in microfluidics-based biosensors, as this integration comprises all qualities, such as reduction in the size of the equipment, rapid turnaround time, possibility of parallel multiple analysis or multiplexing, etc. Microfluidics deal with the manipulation/analysis of fluid within micrometer-sized channels. Biosensors comprise biomolecules immobilized on a physicochemical transducer for the detection of a specific analyte. In this review article, we provide an outline of the history of microfluidics, current practices in the selection of materials in microfluidics, and how and where microfluidics-based biosensors have been used for the diagnosis of infectious and non-infectious diseases. Our inclination in this review article is toward the employment of microfluidics-based biosensors for the improvement of already existing/traditional methods in order to reduce efforts without compromising the accuracy of the diagnostic test. This article also suggests the possible improvements required in microfluidic chip-based biosensors in order to meet the ASSURED criteria.

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Sullivan, Francis M., Gary Kleinman, Selim Suner, and Jack St.Jean. "Development of an Equipment and Supply List for Emergency Medical Services Delivery at an Annual Air Show." Prehospital and Disaster Medicine 14, no. 2 (June 1999): 68–71. http://dx.doi.org/10.1017/s1049023x00027369.

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AbstractIntroduction:Reports of medical care at mass gatherings reflect variability in mission and delivery models. Equipment recommendations are similarly varied. Thoughtful pre-planning and experience-based analysis are the best mechanisms for defining general and specific equipment recommendations.Objective:This report presents a suggested supply and equipment list developed over a six-year period of medical coverage at an air show, with an emphasis on the usage and cost of expendable supplies.Methods:The authors were involved in the planning for and execution of emergency medical care for a large, local, military air show on an annual basis, including provision of expendable medical supplies. A list of such supplies was developed over the initial two to three years, formalized and refined over the subsequent two years, and analyzed in the final, highest patient volume year of coverage. Detailed usage and cost was tracked over the final year for expendable supplies.Results:The results of this analysis indicate that comprehensive emergency medical care from first aid to mass casualty care can be offered at reasonable equipment and supply costs, if existing equipment resources can be supplemented by expendable supplies from a pre-determined list. Given the need for large quantities of supplies for a mass casualty contingency and the low likelihood of occurrence, a loan arrangement with a supplier, with return of unused supplies, is particularly convenient and economical. The approach used in this study should be appreciable in other similar settings. In concurrent scheduled events, the iterative process described can lead to greater specificity of needs for expendable supplies.

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20

Pps, Jurnalpps, Rizka Paramitha Servanda, and Nugroho Mardi Wibowo. "PENGARUH TANGGUNG JAWAB SOSIAL, PENGELOLAAN PENGETAHUAN DAN PENGELOLAAN SISTEM KERJA PEGAWAI TERHADAP KINERJA PEGAWAI DENGAN TATA KELOLA PERUSAHAANSEBAGAI VARIABEL INTERVENING." Jurnal Manajerial Bisnis 5, no. 1 (September 8, 2021): 72–88. http://dx.doi.org/10.37504/jmb.v5i1.375.

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The purpose of this study was to determine the effect of social responsibility, knowledge management, management of employee work systems, corporate governance on employee performance in the field of medical supplies and equipment at RSUD Dr. Soetomo. The sample selection technique in this study was a census, namely all employees were taken as a sample of 45 employees. The data analysis technique used path analysis. The results of the study show that social responsibility has a significant effect on governance, knowledge management has a significant effect on governance, management of employee work systems has a significant effect on governance in the Medical Supplies and Equipment Sector of RSUD Dr. Soetomo. Employee social responsibility has a significant effect on employee performance, employee knowledge management has a significant effect on employee performance, employee knowledge management has a significant effect on employee performance in the Medical Supplies and Equipment Division of RSUD Dr. Soetomo. Employee governance has a significant effect on employee performance in the Medical Supplies and Equipment Division of RSUD Dr. Soetomo.

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Gorbachev, Aleksandr, and Viktoriya Igumen'scheva. "PERSONAL PROTECTION EQUIPMENT IN THE WORKSHOP FUEL SUPPLIES." Scientific Papers Collection of the Angarsk State Technical University 2021, no. 1 (July 5, 2021): 180–84. http://dx.doi.org/10.36629/2686-7788-2021-1-1-180-184.

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22

Yan, Chris B., and Aaron L. Rubin. "Equipment and Supplies for Sports and Event Medicine." Current Sports Medicine Reports 4, no. 3 (June 2005): 131–36. http://dx.doi.org/10.1097/01.csmr.0000306195.74864.cc.

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23

&NA;. "New Online Medical Marketplace For Equipment and Supplies." Journal of Clinical Engineering 30, no. 2 (April 2005): 74–75. http://dx.doi.org/10.1097/00004669-200504000-00028.

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24

Anderson, R. David. "Call for donations of equipment, supplies, and pharmaceuticals." American Journal of Health-System Pharmacy 53, no. 4 (February 15, 1996): 442. http://dx.doi.org/10.1093/ajhp/53.4.442.

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25

Bilous, M. V., O. P. Shmatenko, O. A. Ryzhov, V. V. Trokhymchuk, О. V. Galan, and D. V. Drozdov. "Conceptual aspects of management of the distribution of medical supplies from the position of military pharmaceutical logistics." Farmatsevtychnyi zhurnal, no. 3 (March 18, 2019): 3–11. http://dx.doi.org/10.32352/0367-3057.3.19.01.

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One of the main directions of logistic support of the Armed Forces of Ukraine is medical support which is aimed at life safeguard and health of military personnel, well-timed and efficient provision of medical care in the event of injuries, injuries and diseases, fast renewal of combat power and ability to work in different conditions of its handling and at different period of time. The readiness of medical service of the Armed Forces of Ukraine to the medical support of the troops depends on the well-timed organization of medical supplies and the refilling of medical supplies full and complete. The qualitative and efficient allocation of medical equipment and medical supplies is a determining factor in this process. The aim of the work – reasoning of the irregularity of distribution logistics in the unified logistic system of the Armed Forces of Ukraine and the study of the main aspects of management of the distribution of medical supplies from the position of military pharmaceutical logistics. To get the purpose of the research, the analysis of domestic scientific sources and the current normative and legal base of Ukraine have been carried out. Research methods are: information search, comparison, systemization, semantic analysis, synthesis and modeling. In the conditions of logistic support of the Armed Forces of Ukraine and other components of the security and defense forces of Ukraine, the logistic function of the distribution of logistical equipment, inventory, military equipment and services (food, bath and laundry services, etc.) should ensure the activity of troops (forces) in peacetime and war time. It is the guarantee of the ability to ensure the defense of the state and appropriate response to military threats to the national security of Ukraine, efficiently using available potential and resources. Distribution logistics from the position of military pharmaceutical logistics is the management of all functional subsystems of the medical supplies and health services of the Ministry of Defense of Ukraine in order to optimize the distribution of the material flow (purchased medical supplies) from the supplier to the final consumer (according to the applications of the Military Medical Clinical Centers of the Regions). Same, distributive logistics in the structure of a unified logistic support system of the Armed Forces of Ukraine does not carry a commercial component, and its functions consist in planning, organization of distribution, control and regulation of the logistic process of distribution of material and technical means (including medical equipment and supplies), inventory, military equipment, services (catering, bath and laundry service, etc.). According to the authors, the term «marketing logistics» is not possible to use as a single system of logistic support of the Armed Forces of Ukraine, and in its subsystems. To sum it up, it was suggested to use the term «distributive logistics». On the basis of theoretical generalization of the data of scientific literature and normative legal acts, the main aspects of management of the distribution of medical equipment and supplies from the standpoint of military pharmaceutical logistics are studied. The functions of distributive logistics are defined, the model of the current logistic chain of distribution of medical equipment and supplies in the medical service of the Armed Forces of Ukraine is constructed. It is noted that in order to ensure the qualitative and efficient distribution of medical equipment and supplies, a regulatory and legal framework which regulates the division of powers between institutions and units of medical supplies and defines the responsibility for their implementation in the current conditions of the reformation of the Armed Forces of Ukraine.

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Gao, Zehang, Huo Peng, Minjie Zhu, Lei Wu, Chunping Jia, Hongbo Zhou, and Jianlong Zhao. "A Facile Strategy for Visualizing and Modulating Droplet-Based Microfluidics." Micromachines 10, no. 5 (April 29, 2019): 291. http://dx.doi.org/10.3390/mi10050291.

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In droplet-based microfluidics, visualizing and modulating of droplets is often prerequisite. In this paper, we report a facile strategy for visualizing and modulating high-throughput droplets in microfluidics. In the strategy, by modulating the sampling frequency of a flash light with the droplet frequency, we are able to map a real high frequency signal to a low frequency signal, which facilitates visualizing and feedback controlling. Meanwhile, because of not needing synchronization signals, the strategy can be directly implemented on any droplet-based microfluidic chips. The only cost of the strategy is an additional signal generator. Moreover, the strategy can catch droplets with frequency up to several kilohertz, which covers the range of most high-throughput droplet-based microfluidics. In this paper, the principle, setup and procedure were introduced. Finally, as a demonstration, the strategy was also implemented in a miniaturized picoinjector in order to monitor and control the injection dosage to droplets. We expect that this facile strategy supplies a low-cost yet effective imaging system that can be easily implemented in miniaturized microfluidic systems or general laboratories.

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Некрасова, Н. І. "SUBJECTS OF PUBLIC ADMINISTRATION IN THE FIELD OF TURNOVER OF MEDICAL ENGINEERING AND MEDICAL PRODUCTS IN UKRAINE." Juridical science 1, no. 4(106) (April 2, 2020): 133–39. http://dx.doi.org/10.32844/2222-5374-2020-106-4-1.16.

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The relevance of the article is that the creation of a quality system of public administration in various spheres of society is a priority of the domestic public administration. In accordance with such areas, public administration in the field of circulation of medical equipment and medical supplies in Ukraine belongs, in particular, the administration is carried out through a system of state and non-state bodies. Accordingly, the subjects of public administration must create all the necessary conditions in our country to provide quality medical services and ensure the right of citizens to treatment and maintenance of life. In addition, before we begin to consider our issues, we need to clarify such legal concepts as "public administration", "public administration" and "as public administration". Thus, revealing the essence of the topic "Subjects of public administration in the field of circulation of medical equipment and medical supplies in Ukraine", we must consider the most important aspects of their activities and determine their list. The purpose of the article is to determine the main subjects of public administration in the field of circulation of medical equipment and medical goods in Ukraine on the basis of the works of legal scholars. It is determined that the State Service of Ukraine for Medicines and Drug Control as a subject of public administration in the field of circulation of medical equipment and medical supplies in Ukraine is one of the main bodies of public administration, which in accordance with its powers should control the circulation of medical equipment and goods for medical purposes in Ukraine, in particular, should also be introduced control over the electronic system of circulation of such funds (which should include all elements of their circulation - from the stage of creation to their disposal). Entities of public administration in the field of circulation of medical equipment and medical supplies in Ukraine are an organizational and structural set of administrative bodies that have legal authority to state interests in the import, production, supply and circulation of quality goods in the field of medical equipment and medical supplies.

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Fraser, Kimberly D., Jonathan Lai, Catherine Nissen, Queenie Choo, Jamie Davenport, and Abram Gutscher. "A Scoping Literature Review: The State of Knowledge on Home Care Equipment and Supplies." Care Management Journals 16, no. 4 (December 2015): 174–83. http://dx.doi.org/10.1891/1521-0987.16.4.174.

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We explored the state of knowledge on home care supplies and equipment because not much is known about this topic. We used a scoping review for the literature review because it was the most appropriate approach considering the state of the literature. We searched for articles published in both the gray and peer-reviewed literature. We established five overarching themes based on the findings. These were supply management, durable medical equipment, wound care, best practices, and costs. This review demonstrates that although knowledge about home care supplies and equipment is growing, it is still an understudied area.

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Wang, Shaoxi, Xiafeng Zhang, Cong Ma, Sheng Yan, David Inglis, and Shilun Feng. "A Review of Capillary Pressure Control Valves in Microfluidics." Biosensors 11, no. 10 (October 19, 2021): 405. http://dx.doi.org/10.3390/bios11100405.

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Microfluidics offer microenvironments for reagent delivery, handling, mixing, reaction, and detection, but often demand the affiliated equipment for liquid control for these functions. As a helpful tool, the capillary pressure control valve (CPCV) has become popular to avoid using affiliated equipment. Liquid can be handled in a controlled manner by using the bubble pressure effects. In this paper, we analyze and categorize the CPCVs via three determining parameters: surface tension, contact angle, and microchannel shape. Finally, a few application scenarios and impacts of CPCV are listed, which includes how CPVC simplify automation of microfluidic networks, work with other driving modes; make extensive use of microfluidics by open channel, and sampling and delivery with controlled manners. The authors hope this review will help the development and use of the CPCV in microfluidic fields in both research and industry.

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Moffit, Timothy E., and Michelle Gigowski. "Healthy Sleep Supplies And Equipment, LLC: A Case Study." Journal of Business Case Studies (JBCS) 10, no. 1 (December 31, 2013): 33–42. http://dx.doi.org/10.19030/jbcs.v10i1.8327.

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Jaakkola, M. S., and J. J. K. Jaakkola. "Office Equipment and Supplies: A Modern Occupational Health Concern?" American Journal of Epidemiology 150, no. 11 (December 1, 1999): 1223–28. http://dx.doi.org/10.1093/oxfordjournals.aje.a009949.

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COMMITTEE, NATIONAL, J. SEIDEL, S. TITTLE, D. HENDERSON, D. HODGE, V. GARICA, K. SABATO, M. GAUSCHE, and L. SCHERER. "Guidelines for pediatric equipment and supplies for emergency departments1." International Journal of Trauma Nursing 4, no. 2 (April 1998): 48–51. http://dx.doi.org/10.1016/s1075-4210(98)90047-5.

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Gingerich, Barbara Stover. "Durable Medical Equipment Prosthetics, Orthotics, and Supplies (DMEPOS) Accreditation." Home Health Care Management & Practice 20, no. 6 (February 27, 2008): 495–97. http://dx.doi.org/10.1177/1084822308318177.

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Bohn, Desmond, Robert K. Kanter, Jeffrey Burns, Wanda D. Barfield, and Niranjan Kissoon. "Supplies and equipment for pediatric emergency mass critical care." Pediatric Critical Care Medicine 12 (November 2011): S120—S127. http://dx.doi.org/10.1097/pcc.0b013e318234a6b9.

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Eassa, Heba A., Nada A. Helal, Ahmed M. Amer, Aliaa Fouad, Asser F. Bedair, Reem Nagib, Ihab Mansoor, et al. "3D-printed microfluidics potential in combating future and current pandemics (COVID-19)." Recent Advances in Drug Delivery and Formulation 16 (July 27, 2022). http://dx.doi.org/10.2174/2667387816666220727101214.

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Abstract: Coronavirus disease (COVID-19) emerged in China in December 2019. In March 2020, the WHO declared it as a pandemic leading to worldwide lockdowns and travel restrictions. By May, it infected 4,789,205 and killed 318,789. This led to severe shortages in the medical sector besides devastating socio-economic effects. Many technologies such as artificial intelligence (AI), virtual reality (VR), microfluidics, 3D printing and 3D scanning can step in to contain the virus and hinder its extensive spread. This article aims to explore the potentials of 3D printing and microfluidic in accelerating the diagnosis and monitoring of the disease and fulfilling the shortages of personal protective equipment (PPE) and medical equipment. It highlights the main applications of 3D printers and microfluidics in providing PPE (masks, respirators, face shields, goggles, isolation chambers/hoods), supportive care (respiratory equipment) and diagnostic supplies (sampling swabs & lab-on-chip) to ease the COVID-19 pressures. Also, the cost of such technology and regulations considerations are addressed. We conclude that 3D-printing provided reusable and low cost solutions to mitigate the shortages. However, safety, sterility and compatibility with environmental protection standards need to be guaranteed through standardization and assessment by regulatory bodies. Finally, lessons learned from this pandemic can also help the world prepare for upcoming outbreaks

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Kong, Qingjun, Richard A. Able, Veronica Dudu, and Maribel Vazquez. "A Microfluidic Device to Establish Concentration Gradients Using Reagent Density Differences." Journal of Biomechanical Engineering 132, no. 12 (November 16, 2010). http://dx.doi.org/10.1115/1.4002797.

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Microfabrication has become widely utilized to generate controlled microenvironments that establish chemical concentration gradients for a variety of engineering and life science applications. To establish microfluidic flow, the majority of existing devices rely upon additional facilities, equipment, and excessive reagent supplies, which together limit device portability as well as constrain device usage to individuals trained in technological disciplines. The current work presents our laboratory-developed bridged μLane system, which is a stand-alone device that runs via conventional pipette loading and can operate for several days without need of external machinery or additional reagent volumes. The bridged μLane is a two-layer polydimethylsiloxane microfluidic device that is able to establish controlled chemical concentration gradients over time by relying solely upon differences in reagent densities. Fluorescently labeled Dextran was used to validate the design and operation of the bridged μLane by evaluating experimentally measured transport properties within the microsystem in conjunction with numerical simulations and established mathematical transport models. Results demonstrate how the bridged μLane system was used to generate spatial concentration gradients that resulted in an experimentally measured Dextran diffusivity of (0.82±0.01)×10−6 cm2/s.

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"Equipment & Supplies." American Journal of Health-System Pharmacy 42, no. 1 (January 1, 1985): 163–76. http://dx.doi.org/10.1093/ajhp/42.1.163.

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"Equipment & Supplies." American Journal of Health-System Pharmacy 42, no. 4 (April 1, 1985): 916–34. http://dx.doi.org/10.1093/ajhp/42.4.916.

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"Equipment & Supplies." American Journal of Health-System Pharmacy 43, no. 10 (October 1, 1986): 2624–28. http://dx.doi.org/10.1093/ajhp/43.10.2624.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 43, no. 7 (July 1, 1986): 1806–21. http://dx.doi.org/10.1093/ajhp/43.7.1806.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 44, no. 1 (January 1, 1987): 187–97. http://dx.doi.org/10.1093/ajhp/44.1.187.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 44, no. 12 (December 1, 1987): 2783–91. http://dx.doi.org/10.1093/ajhp/44.12.2783.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 44, no. 4 (April 1, 1987): 908–24. http://dx.doi.org/10.1093/ajhp/44.4.908.

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"Equipment & Supplies." American Journal of Health-System Pharmacy 44, no. 7 (July 1, 1987): 1677–84. http://dx.doi.org/10.1093/ajhp/44.7.1677.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 45, no. 11 (November 1, 1988): 2426–33. http://dx.doi.org/10.1093/ajhp/45.11.2426.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 45, no. 3 (March 1, 1988): 670–85. http://dx.doi.org/10.1093/ajhp/45.3.670.

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"Equipment & Supplies." American Journal of Health-System Pharmacy 45, no. 5 (May 1, 1988): 1173–81. http://dx.doi.org/10.1093/ajhp/45.5.1173.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 46, no. 3 (March 1, 1989): 598–620. http://dx.doi.org/10.1093/ajhp/46.3.598.

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"Equipment & Supplies." American Journal of Health-System Pharmacy 46, no. 5 (May 1, 1989): 1027–32. http://dx.doi.org/10.1093/ajhp/46.5.1027.

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"Equipment and Supplies." American Journal of Health-System Pharmacy 46, no. 7 (July 1, 1989): 1462–70. http://dx.doi.org/10.1093/ajhp/46.7.1462.

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