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Verification of the Reliability of an Automated Urine Test Strip Colorimetric Program Using Colorimetric Analysis: Survey Study

Verification of the Reliability of an Automated Urine Test Strip Colorimetric Program Using Colorimetric Analysis: Survey Study

From June 2022 to January 2023, 1184 urine specimens were randomly extracted from specimens handled by the laboratory department of a hospital in Hamamatsu City. The inclusion criteria were urine samples from people aged 20-90 years who were evaluated at the laboratory department of a hospital in Hamamatsu City. The exclusion criteria were urine samples from people admitted to the pediatric ward and people with cloudy urine or gross hematuria. Basic information on the specimens is shown in Table 1.

Keigo Inagaki, Daisuke Tsuriya, Takuya Hashimoto, Katsumasa Nakamura

JMIR Form Res 2025;9:e62772

Methodology for Biological Sample Collection, Processing, and Storage in the Newcastle 1000 Pregnancy Cohort: Protocol for a Longitudinal, Prospective Population-Based Study in Australia

Methodology for Biological Sample Collection, Processing, and Storage in the Newcastle 1000 Pregnancy Cohort: Protocol for a Longitudinal, Prospective Population-Based Study in Australia

NEW1000 has been designed for standardized collection of blood, urine, saliva, buccal swabs, microbiome swabs, toenails, and hair samples from the mother, father (or partner), and infant. In addition, cord blood, placenta, and colostrum samples will be collected at birth, and breastmilk samples will be collected 6 weeks and 6 months postpartum (Figure 1). NEW1000 stage 1 biological sample collection timepoints.

Joshua J Fisher, Tegan Grace, Nathan A Castles, Elizabeth A Jones, Sarah J Delforce, Alexandra E Peters, Gabrielle K Crombie, Emily C Hoedt, Kirby E Warren, Richard GS Kahl, Jonathan J Hirst, Kirsty G Pringle, Craig E Pennell

JMIR Res Protoc 2024;13:e63562

Noninvasive, Multimodal Inflammatory Biomarker Discovery for Systemic Inflammation (NOVA Study): Protocol for a Cross-Sectional Study

Noninvasive, Multimodal Inflammatory Biomarker Discovery for Systemic Inflammation (NOVA Study): Protocol for a Cross-Sectional Study

To address this research gap, we propose a proof-of-concept feasibility study (NOVA study) to evaluate the relationship between the levels of serum inflammatory biomarkers and those measured noninvasively in urine, sweat, saliva, exhaled breath, core body temperature, and stool in patients with systemic inflammation.

Jinjoo Shim, Sinziana Muraru, Rucsandra Dobrota, Elgar Fleisch, Oliver Distler, Filipe Barata

JMIR Res Protoc 2024;13:e62877

Sodium Intake Estimation in Hospital Patients Using AI-Based Imaging: Prospective Pilot Study

Sodium Intake Estimation in Hospital Patients Using AI-Based Imaging: Prospective Pilot Study

Participants were asked to collect all urine during a 24-hour period, starting with the first urine sample on the morning of the day when they took the food photos and concluding with the second urine sample on the following morning. The urine aliquots were stored at –20 °C before transportation to the certified laboratory. An ion-selective electrode method (Modular DPE chemistry; Roche Diagnostics) was used to measure urinary sodium and potassium levels.

Jiwon Ryu, Sejoong Kim, Yejee Lim, Jung Hun Ohn, Sun-wook Kim, Jae Ho Cho, Hee Sun Park, Jongchan Lee, Eun Sun Kim, Nak-Hyun Kim, Ji Eun Song, Su Hwan Kim, Eui-Chang Suh, Doniyorjon Mukhtorov, Jung Hyun Park, Sung Kweon Kim, Hye Won Kim

JMIR Form Res 2024;8:e48690

Correlation Between Serum and Urine Biomarkers and the Intensity of Acute Radiation Cystitis in Patients Treated With Radiation Therapy for Localized Prostate Cancer: Protocol for the Radiotoxicity Bladder Biomarkers (RABBIO) Study

Correlation Between Serum and Urine Biomarkers and the Intensity of Acute Radiation Cystitis in Patients Treated With Radiation Therapy for Localized Prostate Cancer: Protocol for the Radiotoxicity Bladder Biomarkers (RABBIO) Study

Difficulty in urinating (obstructive symptoms) or, more rarely, blood in the urine (hematuria) may also be present [6]. More rarely, in 5%-10% of cases, complications appear later (more than 6 months after radiotherapy), whether or not they were preceded by early signs [5,7]. Late lesions involve blood vessel damage and fibrosis of the bladder wall, which may progress chronically and lead to bladder atrophy and even retraction in the most extreme cases [5].

Carole Helissey, Sophie Cavallero, Stanislas Mondot, Charles Parnot, Halima Yssaad, Selma Becherirat, Nathalie Guitard, Hélène Thery, Antoine Schernberg, Hugo Breitwiller, Cyrus Chargari, Sabine Francois

JMIR Res Protoc 2023;12:e38362

A Smart Diaper System Using Bluetooth and Smartphones to Automatically Detect Urination and Volume of Voiding: Prospective Observational Pilot Study in an Acute Care Hospital

A Smart Diaper System Using Bluetooth and Smartphones to Automatically Detect Urination and Volume of Voiding: Prospective Observational Pilot Study in an Acute Care Hospital

The researcher subtracted the weight of an unused diaper (110 g) from the weight of the wet diaper as recorded on the FVCs; this is considered the gold standard for determining urine volume. The manually measured urine output was compared with the urine output automatically detected by the smart diaper system to determine the accuracy of the smart diaper system.

Jae Ho Cho, Jung-Yeon Choi, Nak-Hyun Kim, Yejee Lim, Jung Hun Ohn, Eun Sun Kim, Jiwon Ryu, Jangsun Kim, Yiseob Kim, Sun-wook Kim, Kwang-Il Kim

J Med Internet Res 2021;23(7):e29979

Effects of Alternative Offers of Screening Sigmoidoscopy and Colonoscopy on Utilization and Yield of Endoscopic Screening for Colorectal Neoplasms: Protocol of the DARIO Randomized Trial

Effects of Alternative Offers of Screening Sigmoidoscopy and Colonoscopy on Utilization and Yield of Endoscopic Screening for Colorectal Neoplasms: Protocol of the DARIO Randomized Trial

Part III of the study builds up a liquid biobank from biosamples (blood, urine, stool, saliva) of study part II participants, with samples taken prior to endoscopy. The main objective of study part III is the evaluation of less invasive methods of CRC screening and further characterization of detected neoplasms and defining biomarkers or biomarker panels of different composition (such as proteins, metabolites, DNA, micro RNA, methylation markers) obtained via different -omics platforms. DARIO study design.

Petra Schrotz-King, Michael Hoffmeister, Peter Sauer, Anja Schaible, Hermann Brenner

JMIR Res Protoc 2020;9(8):e17516

Improving Exposure Assessment Methodologies for Epidemiological Studies on Pesticides: Study Protocol

Improving Exposure Assessment Methodologies for Epidemiological Studies on Pesticides: Study Protocol

Each study pack provided to UK participants will include urine sample receptacles and appropriate packaging, a leaflet with simple instructions for the collection of the urine samples, the related activity diary, and a prepaid envelope to return the material. Study packs for non-UK participants will be in line with the developed in-study protocols including the urine sample receptacles, collection bags, and relevant guidelines whenever applicable.

Kate Jones, Ioannis Basinas, Hans Kromhout, Martie van Tongeren, Anne-Helen Harding, John W Cherrie, Andrew Povey, Zulkhairul Naim Sidek Ahmad, Samuel Fuhrimann, Johan Ohlander, Roel Vermeulen, Karen S Galea

JMIR Res Protoc 2020;9(2):e16448