Introduction to Test Strip

The analytical performance characteristics of bacteriophages were compared with antibodies which are regularly used as analyte-specific agents in the lateral flow immunoassay test strip.

Lateral flow immunoassay (LFA) based test strips provide a rapid, low-cost, and point-of-care approach to antibody testing against the SARS-CoV-2 virus.

MATERIALS AND METHODS The minimum inhibitory concentration (MIC) test strip test was used to determine the MICs of clinical isolates of tigecycline.

The minimum inhibitory concentration (MIC) was determined before and after gene transfer, using E-test strips.

In this study, a surface-enhanced Raman scattering-based lateral flow assay (SERS-LFA) test strip was prepared by combining antibodies with SERS nanotags, and then competitive immune binding was used to detect the three pesticides simultaneously.

Urinary LAM testing was performed using the Alere Determine TB LAM Ag lateral flow assay test strips.

Results showed that the newly-developed test strip sensor could achieve rapid detection of AFB1 within 15 min, allowing a limit of detection (LOD) of 1 ng/mL (2 μg/kg) and a linear range of 1-19 ng/mL (2-38 μg/kg).

Concurrently, the whole process in testing real sample was completed within 15 min, and all results were well confirmed and comparable by liquid chromatography-mass spectrometry and the commercial test strip.

In this study, a one-step time-resolved single-channel immunochromatographic test strip based on europium ion polystyrene fluorescence microspheres was first developed for sensitive and quantitative detection of DON and ZEN.

In this study, we established a surface-enhanced Raman scattering (SERS) immunochromatographic test strip for the quantitative determination of C.

The most accurate, precise, and reproducible methods of low complexity were disc elution and both strip methods (SX and SS) using MIC test strips (MTS) , all with 100% sensitivity and specificity, followed by Etest with SX (95.

Methods: We compared the performance of Vitek 2® (bioMérieux, AST N242), Colistin MIC Test Strip (Liofilchem Diagnostici), UMIC (Biocentric), and Rapid Polymyxin NP Test (ELITechGroup) against the standard broth microdilution (BDM) method.

While glucose detection is ruled by enzyme-based glucose test strips, the chemically and thermally sensitive enzymes motivate the researchers to inspect chemically and thermally stable metal oxides as alternate sensing constituents for non-enzymatic glucose detection.

This paper introduces determination of SDH in microliter samples of human serum at commercial glucose test strips.

A similar change in colour is also detected on Whatman filter paper test strips.

Moreover, we prepared a paper test strip and used as a warning indicator for deep freeze products.

Based on LAMP-Cas12a, visualization of the assay results is presented by both a fluorescent readout and by lateral flow test strips.

Benefiting from highly-specific recognition elements and diverse signal transduction technologies, optical lateral flow test strip (LFTS) biosensors have realized the ideal candidates.

In 2015, the immunochromatographic test (ICT) was replaced with the filariasis test strip (FTS), which has higher reported sensitivity.

A questionnaire was designed to collect data on demographics and history of LF and MDA; all participants were tested for circulating filariasis antigen (CFA) using the filariasis test strip (FTS).

The current study examined the accuracy of sensory discernment strategies by measuring study participants' descriptions of the last opioid injected and checked with a fentanyl test strip (FTS) by that test's positive/negative result.

Strategies to lower overdose risk included purchasing drugs from trusted network members and partial drug injection, however, fentanyl test strip use was low in both locations.

Dipstick ACR and proteinuria was measured using the automated urine test strip analyzer UC3500 (Sysmex, Kobe, Japan).

Our aim was to compare the diagnostic accuracy of Urine Flow Cytometry (UFC) with urine test strip in predicting bacterial growth and in identifying contaminated urine samples, and to derive an algorithm to identify relevant bacterial growth for clinical use.

The detection sensitivity of the strip is 105 CFU/mL, which is 10 times higher than that of the colloidal gold test strip.

In this study, a rapid colloidal gold test strip for detection of FAdV-4 was developed by using two monoclonal antibodies (mAbs) against the Fiber-2 of FAdV-4.

Subsequently, we designed a rapid test strip based on it that can be used in large-scale screening of COVID-19 in population and more suitable for some remote and special needs areas were restricted by a medical condition or for quick and large quantities of screenings.

Hepatitis B virus was tested using an in-vitro diagnostic kit called HBsAg one-step rapid test strip.

Herein we report a simple platform for DNA detection that takes advantage of four techniques: commercially available pregnancy test strip (PTS), amplicon generation via loop-mediated isothermal amplification (LAMP), toehold mediated strand displacement, and noncovalent immobilization of DNA on paper surface with DNA nanoflowers.

Pregnancy test strips are one of the most mature and widely used commercial lateral flow devices used to determine pregnancy.

A rapid lateral flow fluorescence microsphere immunoassay test strip (FM-ICTS) for the detection of deoxynivalenol (DON) residues in different agricultural products was established based on competitive immunoreactivity.

The analytical performance characteristics of bacteriophages were compared with antibodies which are regularly used as analyte-specific agents in the lateral flow immunoassay test strip.

2–114%) and was designed as a portable test strip sensor for visually on-site TCs of honey sample screening.

More importantly, a portable test strip based on Eu-MOF was manufactured.

The colorimetric test strips were made for 1 to recognize Cu2+ quickly and conveniently.

Colorimetric test strips containing tyramine oxidase (TAO), peroxidase and 3,3',5,5'-tetramethylbenzidine (Q-TAO), allow tyramine determination through the RGB chromatic coordinates of the observed blue colour (LOD = 2.

Following screening for hepatitis B surface antigen (HBsAg) using the one-step HBsAg test strip, information on the level of knowledge and attitude towards the infection was obtained using a self-administered questionnaire.

A two-step design with cancer risk assessment based on questionnaire interview and HBsAg test strip and subsequent clinical intervention for high-risk populations was adopted with free of charge at the local hospitals designated in the program.

Furthermore, a facile test strip with the sensor was fabricated for the detection of CEES vapor with rapid response (3 min), high sensitivity (9 ppb) and high selectivity.

Finally, a facile test strip for phosgene was fabricated by immobilizing o-Phae in a polyethylene oxide membrane for sensitive (< 2 ppm) and selective detection of phosgene in the gas phase.

Methods: Gradient test strips were used to test the susceptibilities of isolates to vancomycin, teicoplanin, and linezolid.

Method: Using gradient test strips (BioMérieux E test, France) of Candida spp.

The annual IEEE 5-Minute Video Clip Contest (5-MICC) was launched by the IEEE Signal Processing Society (SPS), and the selected topic for the competition at IEEE ICIP 2020 was “Fight the Pandemic ” The organizing committee selected three finalist videos and placed them online for public voting The first one is about a visual analytic system for pandemic management, the second concerns machine learning screening of coronavirus disease (COVID-19) patients based on X-ray images, and the third deals with a COVID-19 test strip reader Taking the public voting results from more than 800 participants into consideration, the panel of judges decided the final rankings of the three videos In this article, we present an overview of the 5-MICC at ICIP 2020, describing the competition setup, the teams, and their approaches We also share our experience and the feedback we received from the finalists.

We integrated a newly designed spectrochip to our COVID-19 test strip procedures to provide sensitive, quantitative capacity to a lateral flow immunoassay (LFIA).

These hand-held meters with disposable test strips proved to be reliable in classifying relative levels of glucose in raw tubers, but initial validation and correlation of equipment and values were necessary.

Our comprehensive review bridges the practical assessment gap between optical bio-visualisation assays, disposable test strips, sensor array designs and full integration into flexible skin-based or contact lens devices with the on-site wireless signal transmission of glucose detection in physiological fluids.

Colorimetric tests for at-home health monitoring became popular 50 years ago with the advent of the urinalysis test strips, due to their reduced costs, practicality, and ease of operation.

The present fluorescent sensors allow for quantification of glucose in a concentration range of 0-60 mM, which matches the concentration range of frequently used urinalysis test strips.

Salivary CRP levels were measured using a commercial ELISA kit, and Ca levels were determined using semi-quantitative test strips.

Fecal samples were obtained from all calves and pH measured using semi quantitative test strips as well as being examined by bacterial cultivation for enterotoxigenic Escherichia coli, Salmonella spp.

In this study, we expected to use portable and inexpensive test strips to detect urine albumin level for risk stratification in cardiovascular and renal outcomes among rural Thai community.

In addition, the as-prepared PC film is further developed as an inexpensive test strip showing quick detection of ethanol/octane mixtures (possessing different solubility parameters) as a model of ethanol gasoline.

Therefore, cost-efficient and portable poly(DVB-co-TPE-PBE)-coated test strips and film on glass slides exhibited fast response, strong quenching ability, and reusability in visual detection of liquid and volatile explosives, respectively.

In this study, a novel gold-coated test strip for blood glucose measurement has been designed.

Synthesized SiO2@Au–Ag NPs exhibited a high absorbance at a wide wavelength range (400–800 nm), with a high scattering on nitrocellulose membrane test strips.

The novel membrane test strip of phenolphthalein hydrazide (PH)-polysulfone has been designed and demonstrated for Cu2+ ions detection.

This LC-MS/MS method combined with a simple tear fluid collection with Schirmer test strip followed by ultrafiltration allowed the high-throughput analysis for efficient determination of metabolites associated with thiol redox signaling in human tear fluids.

Methods In a first series, nasopharyngeal sampling and tear sampling by Schirmer test strips were performed in 26 acutely ill patients with COVID-19 to assess the presence of SARS-CoV-2 RNA by reverse transcription PCR.

A total of 217 mid-stream urine samples were collected from UTI-suspected patients attending Bharatpur Hospital, Chitwan, and tested by dipstick test strip (COMBI-10SL, Germany) prior to the culture.

In conclusion, we have demonstrated that interobserver variability when interpreting the DOAC Dipstick test strip is low and that factor Xa and thrombin inhibitor pads do not react to other anticoagulants such as heparins and coumadin.

Portable fluorescent test strip with off-line visual detection has become a hit in the field of target analysis.

The experiments indicate the accuracy and reliability of the multiple fluorescent test strips.

Non-invasive tear breakup time, tear meniscus height, tear lipid layer thickness, and Schirmer I test strip wetted lengths were measured on a day prior to the thermography visit.

Non-invasive tear breakup time, tear meniscus height, tear lipid layer thickness, and Schirmer I test strip wetted lengths were measured on a day prior to the thermography visit.

In addition, the MOF shows di-modal response (color and lumescence) to Cu2+ and Glu with excellent selectivity against a wide range of other interference analytes, and the corresponding portable low-toxicity on-line test strips for Cu2+ and Glu recognize has exhibited a remarkable visually chromogenic phenomena, which may utilize for monitoring these contaminants in real water sample.

Notably, the corresponding portable on-line test strips of probe for detection of F- and Cr2O72- were made for monitoring the levels of F- and Cr2O72-.

The aim of the study was to systematically review the literature and compare the performance of prototype and commercial test strips with a meta-analysis.

Concurrently, the whole process in testing real sample was completed within 15 min, and all results were well confirmed and comparable by liquid chromatography-mass spectrometry and the commercial test strip.

Proteinuria and hematuria were evaluated using reagent test strips.

This study explored effects of intrauterine (IU) infusion of Cefazolin on endometrial cytology and reagent test strips parameters (leukocyte esterase (LE) and pH) in bovine endometritis.

In this study, a rapid detection method using picric acid test strip for detection of sodium cyanide in ocean water was established, and an automatic-integrated detection device was set up, which can be mounted on an unmanned surface vehicle.

splendidus was developed by combining the exonuclease Ⅲ amplification strategy with a nucleic acid test strip developed based on gold nanoparticles-labeled DNA probe.

Methods Both eyes from 15 healthy piglets were sampled using swabs (inferonasal fornix, superotemporal fornix, and corneal surface, n = 30 each) and Schirmer tear test strips (STT, n = 30).

Schirmer tear test strips were used to collect tear samples of twelve healthy cats, which were mixed, centrifuged, and placed in a single 1.

Methods: A total of 135 HIV infected and 135 HIV uninfected children aged 1-18 years were screened for microalbuminuria using microalbumin 2-1 combo test strips.

Methodology with cross-sectional approach, 124 diabetic patients were recruited at Muhimbili National Hospital, in Tanzania; their age, gender, body mass index, fasting blood sugar levels (by Accu Chek Active Glucometer), random urine albumin levels (by Microalbumin 2-1 Combo Test Strips), and the duration of diabetes were recorded.

Notably, the developed test strip-based sensor (S1) could be used to effectively detect PA and 2,4-DNP, which were visualized by the naked eye.

Results showed that the newly-developed test strip sensor could achieve rapid detection of AFB1 within 15 min, allowing a limit of detection (LOD) of 1 ng/mL (2 μg/kg) and a linear range of 1-19 ng/mL (2-38 μg/kg).

As USA is moving fast on national vaccination at this moment, using test strip developed for PD effluent to quickly and frequently check SARS-CoV-2 antibody in PD effluent could be used to monitor the vaccination efficiency while avoiding clinic visit.

splendidus was developed by combining the exonuclease Ⅲ amplification strategy with a nucleic acid test strip developed based on gold nanoparticles-labeled DNA probe.

7%) by Etest strip method.

The blood glucose levels of the animals in each group were determined using Accu-chek test strip method.

Non-invasive tear breakup time, tear meniscus height, tear lipid layer thickness, and Schirmer I test strip wetted lengths were measured on a day prior to the thermography visit.

Non-invasive tear breakup time, tear meniscus height, tear lipid layer thickness, and Schirmer I test strip wetted lengths were measured on a day prior to the thermography visit.

2–114%) and was designed as a portable test strip sensor for visually on-site TCs of honey sample screening.

Results showed that the newly-developed test strip sensor could achieve rapid detection of AFB1 within 15 min, allowing a limit of detection (LOD) of 1 ng/mL (2 μg/kg) and a linear range of 1-19 ng/mL (2-38 μg/kg).

This device is based on a cellulose paper-dye test strip platform in which the corresponding detection layer is integrated by applying a molecularly imprinted polymer (MIP) to the cellulose paper surface.

In this report we characterize the binding properties of a cohort of newly generated gliadin monoclonal antibodies suitable for gluten detection using multiple assay formats and introduce a novel plug-n-play test strip platform with integrated test components in a single-use format.

We integrated a newly designed spectrochip to our COVID-19 test strip procedures to provide sensitive, quantitative capacity to a lateral flow immunoassay (LFIA).

In the present study, an attempt was made to integrate a newly designed spectrometer to the COVID-19 test strip procedure; this augmentation provides the quantitative capacity to a lateral flow immunoassay (LFIA).

The sensitivity for bitter taste was assessed using The Frey Scientific 569885 PTC Taste Paper test strip kit containing phenylthiourea solution.

Identified suspected cases of elephantiasis in those villages were interviewed, clinically observed, and serologically examined using filariasis test strip kits at their respective houses during day time.