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Facts about Covid-19 vaccines

on July 30, 2021

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COVID-19 Vaccines

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Guide to Comparing Safety Gloves

Source: https://www.envirotechint.com/

Analysis of erroneous data entries in paper based and electronic data collection

BMC Research Notes Benedikt Ley1* , Komal Raj Rijal2, Jutta Marfurt1, Naba Raj Adhikari2, Megha Raj Banjara2, Upendra Thapa Shrestha 2, Kamala Thriemer1, Ric N. Price1,3,4 and Prakash Ghimire2 1 Global and Tropical Health Division, Menzies School of Health Research and Charles Darwin University, Darwin, Australia. 2 Central Department of Microbiology, Tribhuvan University, Kirtipur, Kathmandu, Nepal. 3 Mahidol‑Oxford Tropical Medicine Research Unit (MORU), Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand. 4 Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK. Abstract Objective: Electronic data collection (EDC) has become a suitable alternative to paper based data collection (PBDC) in biomedical research even in resource poor settings. During a survey in Nepal, data were collected using both systems and data entry errors compared between both methods. Collected data were checked ...

NANODROP

NANODROP SPECTROPHOTOMETRY (Quantification of Nucleic Acids) NanoDrop is a Spectrophotometer that measure 0.5- 2 m l samples with high accuracy and reproducibility. The NanoDrop model offers the convenience of both the NanoDrop patented sample retention technology and a traditional cuvette for sample measurements. Principle: It operates on Beer’s law. When monochromatic light (light of a specific wavelength) passes through a solution there is usually a quantitative relationship (Beer's law) between the solute concentration and the intensity of the transmitted light, that is, the more concentrated the specimen is, the less light is transmitted through it. The sample retention system in NanoDrop Spectrophotometry employs surface tension to hold the sample in place between two optical fibers. This enables the measurement of very highly concentrated samples without the need for dilutions. Using this technology, the full spectrum (190 – 840 nm) NanoDrop Spectrophotometers have the capa...

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Facts about Covid-19 vaccines

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