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Talanta ◽  
2022 ◽  
Vol 240 ◽  
pp. 123208
Author(s):  
Huanhuan Shi ◽  
Yu Cao ◽  
Yining Zeng ◽  
Yanuo Zhou ◽  
Weihua Wen ◽  
...  

Perspektif ◽  
2022 ◽  
Vol 1 (3) ◽  
pp. 264-272
Author(s):  
Koen Adi Suryo

Abstrak Penelitian ini bertujuan untuk mengetahui hubungan antara motivasi kerja karyawan dengan kompensasi. Penelitian dilakukan di “PT PAI”. Penelitian ini merupakan penelitian deskriptif. Populasi dalam penelitian ini adalah seluruh karyawan PT ”PAI”, sampel sebanyak 20 orang karyawan diambil dengan teknik convenience sampling. Perangkat pengumpulan data yang digunakan adalah perangkat kuesioner. Metode analisis data yang digunakan adalah metode deskriptif dan induktif. Perangkat analisis data yang digunakan adalah tabel distribusi frekuensi dan korelasi Spearman. Hasil penelitian menunjukkan bahwa terdapat hubungan positif kuat sebesar 0,983 dan signifikan antara motivasi kerja karyawan dengan kompensasinya pada PT ”PAI”. Abstract This study aims to determine the relationship between employee motivation and compensation. The research was conducted at "PT PAI." This research is descriptive. The population in this study were all employees of PT "PAI." A sample of 20 employees was taken using the convenience sampling technique. The data collection device used is a questionnaire device, and the method used is descriptive and inductive methods. Data analysis tools used are frequency distribution table and Spearman correlation. The results showed a strong positive relationship of 0.983 and significant between employee motivation and compensation at PT "PAI."


Lab on a Chip ◽  
2022 ◽  
Author(s):  
Kruthika Kikkeri ◽  
Dan Wu ◽  
Joel Voldman

We interfaced with a painless blood collection device and integrated on-chip blood-to-plasma separation with an electronic bead-based biomarker detection assay to enable true sample-to-answer detection of biomarkers.


2021 ◽  
Vol 4 (4) ◽  
Author(s):  
Ivan A. Khyzhniak

The potential use of digital laboratories is constantly growing every year, as such a device allows you to conduct research in such fields as biology, physics, chemistry and other natural sciences. It is proved that the use of modern equipment increases the efficiency of laboratory classes in schools. Today, there are a large number of educational digital laboratories, which find many areas of use, from laboratory work at school to laboratories at universities. However, if you analyze these digital labs, you can see that they do not have a user-friendly interface and settings. The purpose of this work is to review existing solutions, as well as find solutions to create an improved version of digital training laboratories. The main disadvantage of existing solutions is the lack of data transfer via Wi-Fi or Bluetooth, as well as connection to a computer or smartphone, which could significantly improve the process of working with such a device. One of the solutions to this problem is the creation of digital training laboratories based on the ESP-32 microcontroller. After analyzing the existing digital laboratories, we can conclude that this area needs improvement, as existing technologies allow to create much better devices in terms of ease of use and opportunities for educational purposes. Bluetooth and Wi-Fi are the main elements, the addition of which will significantly improve digital laboratories. One such solution is the ESP-32 microcontroller, as it includes these modules, and its technical characteristics allow you to create a device that will collect data simultaneously from many connected sensors. The creation of a digital laboratory with such characteristics will significantly improve the process of laboratory work in schools and universities, as well as allow more organized distance learning online, which will have a positive impact on the educational process in schools and universities.


2021 ◽  
Vol 8 (Supplement_1) ◽  
pp. S593-S594
Author(s):  
Tseli Mohammed ◽  
Jessica V Brewer ◽  
Mary E Pyatt ◽  
Juan P Romero Casas ◽  
Stacey Whitbourne ◽  
...  

Abstract Background The VA Million Veteran Program (MVP) studies what factors influence Veteran health. Current procedures involve collection of venous blood at MVP enrollment sites. To examine home specimen collection options, MVP performed a pilot study comparing two blood specimen collection devices and evaluated SARS-CoV-2 antibody assays to determine known COVID-19 infection or vaccination. Methods A sub-sample of MVP Veteran participants were asked to self-collect a capillary blood specimen using the Neoteryx Mitra Clamshell (up to 120uL dried blood) or Tasso-SST (up to 200uL liquid blood) per the vendor instructions. Veterans were randomly assigned to a device prior to consent. Eligibility included 30% of Veterans with known COVID-19 diagnosis or vaccination and sampling time was variable from these events. Veterans rated their device experience and shipped collected specimens directly to an MVP laboratory. Mitra tip (4) blood was eluted in 1 mL of 0.9% normal saline for 1 hour at room temperature shaking at 300 rpm. Tasso tubes were centrifuged per vendor instructions. All samples were stored at -80°C until tested with SARS-Cov-2 antibody (Ab) assays (InBios Spike IgG, BioRad Nucleocapsid (NC) Total Ab, Abbott NC IgG, and Abbott Spike IgG II) per vendor instructions. Results 312 MVP participants consented to the pilot (52%) of which 136 (43.6%) were sent Mitra and 176 (56.4%) were sent Tasso-SST (Table 1). Participants rated the Mitra Tasso-SST equally on average as 4.4 on a 0-5 usability scale. The Abbott IgG II assay had the highest sensitivity across both devices (87% Mitra and 98% Tasso-SST) for detecting known COVID infection and/or vaccination. The InBios IgG assay with the Tasso-SST had the best sensitivity (97%) and specificity (80%) for detecting known COVID-19 infection and/or vaccination (Table 2). Table 1. COVID-19 At-Home Capillary Blood Specimen Collection Pilot Outcomes Conclusion Veterans successfully collected their own specimens and had no strong preference for either device. The Tasso-SST combined with the InBios Spike IgG assay provided the highest combination of sensitivity and specificity. Limitations included one collection device per subject, varied timing of testing, unknown infection or vaccination status among some, and Tasso collection volume and Mitra whole blood dilution may have affected comparison across assays or performance. Disclosures All Authors: No reported disclosures


2021 ◽  
pp. 2103060
Author(s):  
Zhihang Wang ◽  
Henry Moïse ◽  
Martina Cacciarini ◽  
Mogens Brøndsted Nielsen ◽  
Masa‐aki Morikawa ◽  
...  

2021 ◽  
Author(s):  
Filippo Fronza ◽  
Nelli Groff ◽  
Angela Martinelli ◽  
Beatrice Zita Passerini ◽  
Nicolò Rensi ◽  
...  

AbstractEfficient wide-scale testing for SARS-CoV-2 is crucial for monitoring the incidence of the infection in the community. The gold standard for COVID-19 diagnosis is the molecular analysis of epithelial secretions from the upper respiratory system captured by nasopharyngeal (NP) swabs, which requires the intervention of trained personnel. Given the ease of collection, saliva has been proposed as a possible substitute to support testing at the population level. Here we describe the set-up of a laboratory, in an academic context, for the high-throughput screening of SARS-CoV-2 in the saliva from the community. A novel saliva collection device was designed to favour the safe and correct acquisition of the sample as well as the processivity of the downstream molecular analysis. To test the performance of the system,1025 paired saliva and nasopharyngeal samples were collected from individuals recruited at a public drive through testing facility and analysed in parallel. An overall moderate concordance (68%) between the two tests was found, with evidence that neither test can diagnose the infection in 100% of the cases. While the two tests performed equally well in symptomatic individuals, their discordance was mainly restricted to samples from convalescent individuals. The saliva test was at least as effective as NP swabs in asymptomatic individuals recruited for contact tracing. Our study, therefore, indicates that saliva testing can be a reliable tool for wide-scale COVID-19 screening in the community.


2021 ◽  
Vol 2029 (1) ◽  
pp. 012044
Author(s):  
Liqin JI ◽  
Zhengyi Zhang ◽  
Pengfei Xie ◽  
Chao Chen ◽  
Manyu Lin

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