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  • A Simple and Rapid Test-card Method to Detect Hepatitis B ...

    Background: Hepatitis B surface antigen (HBsAg) and hepatitis B surface antibody (anti-HBs) were conventionally determined by enzyme immunoassays. We aimed to apply a rapid, simple, and accurate method to detect HBsAg and its antibody. Methods: We collected 1463 serum samples from healthy volunteers, hepatitis B carriers, and children of HBsAg-positive mothers.

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  • HBsAg Rapid Test Diagnostic Test for Detecting Hepatitis B ...

    2019-5-19 · HBsAg Rapid Test is a visually read, qualitative immunoassay for in vitro detection of Hepatitis B Surface Antigen in serum or plasma. The test is intended as an aid to diagnosis of Hepatitis B infection. Summary and Explanation of the Test Viral hepatitis is a systemic disease primarily involving the liver, and in most cases is caused by one ...

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  • A Simple and Rapid Test-card Method to Detect Hepatitis B ...

    2016-6-1 · HBsAg and anti-HBs rapid tests. The HBsAg One Step Hepatitis B Surface Antigen Test Device and the HBsAb One Step Hepatitis B Surface Antibody Test Device were used (General Biologicals Corporation, Hsinchu, Taiwan). The kit can be stored at 2–30°C with stability. It is a qualitative lateral-flow chromatographic immunoassay.

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  • Hepatitis B (HBsAg) Rapid Screen Test | Blue Sky Medical ...

    The HBsAg Rapid Test Cassette (Whole Blood/Serum/Plasma) is a lateral flow chromatographic immunoassay for the qualitative detection of Hepatitis B Surface antigen (HBsAg) in human whole blood, serum or plasma. It is intended to be used as a screening test and as an aid in the diagnosis of infection with Hepatitis B virus (HBV).

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  • A Simple and Rapid Test-card Method to Detect Hepatitis B ...

    2017-1-25 · 2.3. HBsAg and anti-HBs rapid tests The HBsAg One Step Hepatitis B Surface Antigen Test Device and the HBsAb One Step Hepatitis B Surface Antibody Test Device were used (General Biologicals Corporation, Hsin-chu, Taiwan). The kit can be stored at 2e30 C with sta-bility. It is a qualitative lateral-flow chromatographic immunoassay.

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  • Performance of a new rapid test for the detection of ...

    2021-2-4 · Background: Rapid diagnostic tests (RDT) have been developed for the detection of hepatitis B surface antigen (HBsAg). They represent a promising alternative to enzyme immunoassays and a powerful tool for large-scale screening and diagnosis of HBV infection, especially in regions without easy access to serological and molecular testing.

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  • Hepatitis B Rapid Test Kits - Biopanda Reagents

    CD HbsAg (Serum/Whole Blood Test) Rapid Test is a, direct binding test for the visual detection of hepatitis B surface antigen (HBsAg) in serum or whole blood. It is used as an aid in the diagnosis of hepatitis B infection. The One Step HBsAg Whole Blood Test is based on the principle of sandwich immunoassay for determination of HBsAg in serum or ...

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  • HBsAg (Serum/Whole Blood Test)Rapid Test (DTS375 ...

    1974-5-18 · A direct hæmagglutination test using turkey erythrocytes coated with affinity-column-purified antibody to hepatitis-B antigen (HBAg) has been developed to detect HBAg in human serum. The sera from 14,000 blood-donors were screened, and the sera from 59 HBAg-positive donors titrated. In addition, 68 sera from patients with acute hepatitis HBAg ...

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  • Hepatitis B Virus Rapid Test (5 in 1)(Cassette) (DTS362 ...

    The HBV Test is a diagnostic device to detect the 5 markers associated with Hepatitis B infection. Storage The test kit can be stored at temperatures from 2°C …

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  • HBsAg Rapid Test Diagnostic Test for Detecting Hepatitis B ...

    2019-5-19 · HBsAg Rapid Test is a visually read, qualitative immunoassay for in vitro detection of Hepatitis B Surface Antigen in serum or plasma. The test is intended as an aid to diagnosis of Hepatitis B infection. Summary and Explanation of the Test Viral hepatitis is a systemic disease primarily involving the liver, and in most cases is caused by one ...

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  • Annex 5.3 PICO 1 - How to test (HBV) Diagnostic accuracy ...

    PICO 1 - How to test (HBV) Diagnostic accuracy of tests to detect hepatitis B surface antigen: a meta-analysis and review of the literature Ali Amini,* Helen Kelly,* Debi Boeras, Wen Chen, Jane Falconer, Helen Kelly, ... Detection of HBsAg can include rapid diagnostic tests (RDTs) or immunoassays. Rapid

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  • Rapid test for detection of hepatitis B virus in human ...

    2016-6-1 · A) Hepatitis B surface antigen was negative from clear layer of breastmilk after being left to stand at room temperature for two hours. B) Hepatitis B virus detection in breastmilk: hepatitis B surface antigen was negative for breastmilk without centrifugation (upper) but positive for breastmilk with 5,000 rpm centrifugation (lower).

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  • A RAPID HÆMAGGLUTINATION TEST FOR HEPATITIS-B

    1974-5-18 · A direct hæmagglutination test using turkey erythrocytes coated with affinity-column-purified antibody to hepatitis-B antigen (HBAg) has been developed to detect HBAg in human serum. The sera from 14,000 blood-donors were screened, and the sera from 59 HBAg-positive donors titrated. In addition, 68 sera from patients with acute hepatitis HBAg ...

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  • Diagnostic accuracy of tests to detect hepatitis B surface ...

    2017-11-1 · Chronic Hepatitis B Virus (HBV) infection is characterised by the persistence of hepatitis B surface antigen (HBsAg). Expanding HBV diagnosis and treatment programmes into low resource settings will require high quality but inexpensive rapid diagnostic tests (RDTs) in addition to laboratory-based enzyme immunoassays (EIAs) to detect HBsAg. The purpose of this review is …

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  • Betaine‐assisted recombinase polymerase assay for rapid ...

    2020-5-10 · Hepatitis B virus (HBV) is a worldwide epidemic pathogen that causes hepatitis B. On-site screening the HBV infection is of critical importance for preventing and diagnosing HBV infection. In this paper, a simple, visual, and rapid method for on-site detection of HBV-DNA has been developed.

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  • Residents of Xerém have access to rapid testing for Viral ...

    2021-7-30 · The action, held this Wednesday (28), aimed to raise awareness and prevent the population about the importance of carrying out the rapid test to detect viral hepatitis and also syphilis, which detected in time can be treated. As hepatitis viral attacks attack the liver and initially have few symptoms. Therefore, it is considered a silent ...

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  • Distribution of hepatitis B virus genotypes in the general ...

    2020-8-24 · detect HBV genotypes and sub-genotypes in the general population of different states and regions in Myanmar. Methods: In 2015, a total of 5547 adults of the general population, residing in seven states, seven regions and the Nay Pyi Taw Union Territory, were screened for Hepatitis B Surface antigen (HBsAg) by the immunochromatographic test (ICT).

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  • Hepatitis B virus genotyping: current methods and clinical ...

    2010-11-1 · Hepatitis B virus (HBV) is a major cause of liver cirrhosis and hepatocellular carcinoma (HCC). Eight different HBV genotypes have been identified with distinct geographical distributions. Different genotyping methods exist including sequencing, INNO-LiPA, restriction fragment polymorphism (RFLP), multiplex PCR, serotyping, oligonucleotide ...

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  • Hepatitis B and the health care worker - WHO

    2 天前 · † Hepatitis B surface antigen § Hepatitis B immune glob ulin; dose is 0.06 mL/kg intramuscularly. ¶ Hepatitis B vaccine **A responder is a person with adequate levels of serum antibody to HBsAg (i.e., anti-HBs >10 mlU/mL). ††A nonresponder is a person with inadequate response to vaccination (i.e., serum anti-HBs <10 mlU/mL).

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  • Microfluidic devices for the detection of viruses: aspects ...

    2020-11-4 · RPS was also previously used to study the HIV-1 and hepatitis B virus [62,129]. This technique can be modified in a variety of ways, for example with the use of multi-pore membranes to allow for concurrent detections . This technique is …

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  • A reliable and rapid method for molecular detection of ...

    2014-11-24 · Background Improved living conditions together with appropriate diagnosis can reduce avoidable malarial deaths substantially. Microscopy remains the gold standard in the diagnosis of malaria. However, rapid molecular diagnostic tests (RmDT) are becoming increasingly important and will, most likely, be the diagnostic techniques of choice in the next years. Methods In this study, a rapid …

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  • Simultaneous detection of Human Immunodeficiency Virus 1 ...

    2010-11-26 · A highly specific and novel dual-label time-resolved immunofluorometric assay was developed exploiting the unique emission wavelengths of the intrinsically fluorescent terbium (Tb3+) and europium (Eu3+) tracers for the simultaneous detection of human immunodeficiency virus 1 (HIV-1) and hepatitis B virus (HBV) infections, respectively. HIV-1 infection was detected …

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  • Heat and moisture exchangers and breathing system filters ...

    2010-11-30 · Heat and moisture exchangers tend to have higher moisture outputs per ml of internal volume than filters [88, 89]. Hepatitis C. In 1994, Chant et al. described an incident of suspected cross-infection of hepatitis C virus (HCV) during a minor surgical list in New South Wales, Australia . Two patients, who had been operated on during the list ...

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  • Malaria and the ‘last’ parasite: how can technology help ...

    2018-7-11 · Malaria, together with HIV/AIDS, tuberculosis and hepatitis are the four most deadly infectious diseases globally. Progress in eliminating malaria has saved millions of lives, but also creates new challenges in detecting the ‘last parasite’. Effective and accurate detection of malaria infections, both in symptomatic and asymptomatic individuals are needed.

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  • Detection of Streptococcus equi subsp equi in Guttural ...

    ing hepatitis B virus,12 Mycobacterium tuberculosis,13 human immunodeficiency virus,14 and Zika virus,15 have since been detected using similar systems. Boyle et al showed that guttural pouch lavage (GPL) is the best specimen to collect from horses to detect carriers of S. equi.16,17 The

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  • Fluorescent C-NanoDots for rapid detection of BRCA1,

    2019-4-23 · The authors report on a fluorometric method for the rapid detection of BRCA1, CFRT and MRP3 gene mutations. These are associated with breast cancer, cystic fibrosis and autoimmune hepatitis diseases, respectively. Carbon nanodots with blue fluorescence (with excitation/emission maxima at 340/440 nm) were synthesized and characterized, and their interactions with DNA …

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  • Design of a Smart System for Rapid Bacterial Test - MDPI

    In this article, we present our initial findings to support the design of an advanced field test to detect bacterial contamination in water samples. The system combines the use of image processing and neural networks to detect an early presence of bacterial activity. We present here a proof of concept with some tests results. Our initial findings are very promising and indicate detection of ...

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  • Viral hepatitis and pregnancy | Nature Reviews ...

    2020-10-12 · The management of viral hepatitis in the setting of pregnancy requires special consideration. There are five liver-specific viruses (hepatitis A, B, C, D, E), each ...

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  • Validation of Whole Blood Rapid Diagnosis Test for Hepatitis B

    2020-5-21 · We recently published a report validating point-of-care rapid diagnostic tests (RDT) for the diagnosis of Hepatitis B virus (HBV) infection in serum. In the current report, we validated a whole-blood RDT for HBsAg in the form of a test-strip. The test was validated in 55 HBV positive individuals across all genotypes other than F, and in 20 HBV ...

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  • Hepatitis Bs Antigen Rapid Test (Cassette) (Serum Test ...

    The HBsAg Rapid Test a rapid, direct binding test for the visual detection of hepatitis B surface antigen (HBsAg) in serum/plasma. It is used as an aid in the diagnosis of hepatitis B infection. One Step HBsAg RapidCard InstaTest is based on the principle of sandwich immunoassay for determination of HBsAg in serum/plasma.

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  • Hepatitis B (HBV) Immunoassay Test Kits

    Hepatitis B Multi-5 test panel is also widely used, which detect all the five antigen and antibodies important to the diagnosis of Hepatitis B infection in one single test device. Who Should Get HBV Tested. Hepatitis-B can be transmitted through various infected body fluids, such as blood, semen, and vaginal fluids.

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  • Performance of rapid diagnostic tests for hepatitis B ...

    2021-6-1 · 1. Introduction. Chronic hepatitis B virus (HBV) infection has a worldwide prevalence of 250 million affected individuals, with 80% of infected persons living in sub-Saharan African and Western Pacific and Southeast Asia regions (Polaris Observatory C 2018).The 2016 Polaris Observatory study estimates that only 10% (29 million) of infected persons were diagnosed.

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  • Hepatitis B Foundation: Hepatitis B Blood Tests

    2019-2-20 · ABBOTT PARK, Ill., Feb. 20, 2019 /PRNewswire -- Abbott (NYSE: ABT) announced today it has received CE Mark for the world's most sensitive rapid diagnostic test for the detection of hepatitis B surface antigen, the Determine ™ HBsAg 2 test for use with serum, plasma or whole blood. 1,2,3 This highly sensitive, easy-to-use, rapid lateral flow test enables identification of …

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  • Abbott Introduces the World's Most Sensitive Rapid ...

    2 天前 · † Hepatitis B surface antigen § Hepatitis B immune glob ulin; dose is 0.06 mL/kg intramuscularly. ¶ Hepatitis B vaccine **A responder is a person with adequate levels of serum antibody to HBsAg (i.e., anti-HBs >10 mlU/mL). ††A nonresponder is a person with inadequate response to vaccination (i.e., serum anti-HBs <10 mlU/mL).

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  • Hepatitis B and the health care worker - WHO

    Get Rapid Diagnostic Kits at best price from Rapid Diagnostic Kits Retailers, sellers Our diagnostic kits Influenza A/B Test Kit, Hepatitis C Test Kit, Dengue IgG . These tests can also distinguish between acute and chronic liver disorders and between hepatitis and cholestasis.

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  • Hepatitis B Test Kit Hepatitis C | Jal Innovations | ICare ...

    Moisture Content, % = [(A-B) X 100]/fl where: A = as-received test specimen, g, and B = mass of the oven-dried specimen, g. 6.2.1 This calculation is used primarily for geotechnical purposes, and the result should be referred to as the moisture content as a percentage of oven-dried mass. MARCH/APRIL 1993 31

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  • A5TM D 2974-87 Standard Test Methods for Moisture, Ash ...

    2018-8-6 · Author summary The Global Hepatitis Health Sector Strategy is aiming for the elimination of viral hepatitis as a public health threat by 2030. However, mutations associated with drug resistance and vaccine escape may reduce the success of existing treatment and prevention strategies. In the current literature, the prevalence, distribution and impact of hepatitis B virus …

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  • Medical Virology of Hepatitis B: how it began and where

    2013-7-20 · Infection with hepatitis B virus (HBV) may lead to acute or chronic hepatitis. HBV infections were previously much more frequent but there are still 240 million chronic HBV carriers today and ca. 620,000 die per year from the late sequelae liver cirrhosis or hepatocellular carcinoma. Hepatitis B was recognized as a disease in ancient times, but its etiologic agent was …

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  • Update on prevention, diagnosis, and treatment of

    Purpose and Scope of the Guidance. This AASLD 2018 Hepatitis B Guidance is intended to complement the AASLD 2016 Practice Guidelines for Treatment of Chronic Hepatitis B 1 and update the previous hepatitis B virus (HBV) guidelines from 2009. The 2018 updated guidance on chronic hepatitis B (CHB) includes (1) updates on treatment since the 2016 HBV guidelines (notably the …

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  • Predicting the sensitivity and specificity of published ...

    2008-9-25 · For instance, if a signature was reported to detect Hepatitis B, then its set of TaqSim hits would be compared with the set of sequences under node 10407, corresponding to Hepatitis B virus. Sequences in both sets were considered true positives, sequences in the TaqSim output that were missing from the chosen taxonomy nodes were considered ...

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  • Phytochemical studies for quantitative estimation of ...

    2016-2-26 · Moisture analysis. For uniform and standard quantification of biomarkers in plant samples, it is necessary to remove the moisture content in the test sample. To remove the moisture content, the material was dried in hot air oven for 3 h at 50 °C and the process was repeated several times until a uniform dried weight of the sample was obtained.

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  • Moisture content in food: How to analyze water content in ...

    Moisture analysis plays a vital role in all areas of the food industry, from goods-in inspection, through quality control, production and storage, to the development of new products. In nearly all cases, the prepared ingredients have optimum moisture content, providing the best possible taste, consistency, appearance and shelf life.

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  • Water Testing Standards - ASTM International

    ASTM's water testing standards are instrumental in specifying and evaluating the methods and facilities used in examining the various characteristics of and contaminants in water for health, security, and environmental purposes. These water testing standards allow concerned local government authorities, water distribution facilities, and ...

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  • Moisture-Sensitive Devices - Assembly Magazine

    2006-4-1 · Moisture from atmospheric humidity enters permeable packaging materials by diffusion and collects at the interfaces of dissimilar material. During solder reflow, the combination of rapid moisture expansion and material mismatch can result in package cracking or delamination of critical interfaces within the package.

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  • The In Vitro Diagnostics Market: $83 Billion and Growing

    2 天前 · The In Vitro Diagnostics Market. The IVD Market, per Kalorama Information’s recent report is 83 billion. A good portion of that is COVID-19 testing, and it’s not known how long that will be present in the market. The consensus is at least into 2021. This article gets into the market and why it is growing, and some important IVD industry ...

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  • Virus-like particles: preparation, immunogenicity and ...

    2021-2-25 · Virus-like particles (VLPs) are virus-derived structures made up of one or more different molecules with the ability to self-assemble, mimicking the form and size of a virus particle but lacking the genetic material so they are not capable of infecting the host cell. Expression and self-assembly of the viral structural proteins can take place in various living or cell-free …

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