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Multicenter evaluation of the Panbio COVID-19 rapid antigen-detection test for the diagnosis of SARS-CoV-2 infection

Targets: The usual RT-PCR assay for COVID-19 is laborious and time-consuming, limiting the supply of testing. Fast antigen-detection exams are sooner and cheaper; nonetheless, the reliability of those exams should be validated earlier than they can be utilized extensively. The target of this research was to find out the efficiency of the PanbioTM COVID-19 Ag Fast Take a look at Gadget (PanbioRT) (Abbott) for SARS-CoV-2 in nasopharyngeal swab specimens.
Strategies: This potential multicenter research was carried out in ten Spanish college hospitals together with people with scientific signs or epidemiological standards for COVID-19. Solely people with ≤ 7 days from the onset of signs or from publicity to a confirmed case of COVID-19 have been included. Two nasopharyngeal samples have been taken to carry out the PanbioRT, as a point-of-care take a look at, and a diagnostic RT-PCR take a look at.
Outcomes: Among the many 958 sufferers studied, 325 (90.5%) had true-positives outcomes. The general sensitivity and specificity for the PanbioRT have been 90.5% (CI 95%: 87.5-93.6) and 98.8% (CI 95%: 98-99.7), respectively. Sensitivity in contributors who had a CT <25 for the RT-PCR take a look at was 99.5% (CI 95%: 98.4-100), and in contributors with ≤5 days of the scientific course was 91.8% (CI 95%: 88.8-94.8). Settlement between methods was 95.7% (kappa rating: 0.90; CI 95%: 0.88-0.93).
Conclusions: The PanbioRT supplies good scientific efficiency, with much more dependable outcomes for sufferers with a shorter scientific course of the illness or the next viral load. The outcomes should be interpreted based mostly on the native epidemiological context.

Panbio fast antigen take a look at for SARS-CoV-2 has acceptable accuracy in symptomatic sufferers in main well being care

Targets: We aimed to guage the accuracy of the Panbio™ Ag-RDT at main well being care (PHC) facilities and take a look at websites in symptomatic sufferers and shut contacts, utilizing the Reverse-Transcription Polymerase Chain Response (RT-PCR) take a look at because the gold normal.
Strategies: The research was carried out in 4 PHC facilities and two take a look at websites in Mallorca, Spain. Consecutive sufferers older than 18 years, attending the websites for RT-PCR testing have been included. Two nasopharyngeal samples have been collected, one for RT-PCR and the opposite was processed on-site utilizing the Panbio fast antigen take a look at equipment for SARS-CoV-2. The sensitivity and specificity have been calculated utilizing RT-PCR because the reference, and the predictive values utilizing the pretest likelihood outcomes for every analyzed group.
Findings: A complete of 1369 contributors have been included; imply age 42.5 ± 14.9 years and 54.3% ladies. The general prevalence was 10.2%. Most contributors (70.6%) introduced inside 5 days of the onset of signs.
The general sensitivity was of 71.4% (95% CI: 63.1%, 78.7%), the specificity of 99.8% (95% CI: 99.4%, 99.9%), the constructive predictive worth of 98.0% (95% CI: 93.0%, 99.7%) and a destructive predictive worth of 96.8% (95% CI: 95.7%, 97.7%). The sensitivity was larger in symptomatic sufferers, in these arriving inside 5 days since symptom onset and in these with excessive viral load.
Interpretation: Ag-RDT had comparatively good efficiency traits in suspected symptomatic sufferers inside 5 days for the reason that onset of signs. Nevertheless, our knowledge don’t help the only real use of Panbio™ Ag-RDT in asymptomatic people.

Actual-life validation of the Panbio COVID-19 antigen fast take a look at (Abbott) in community-dwelling topics with signs of potential SARS-CoV-2 an infection

Background: RT-qPCR is the reference take a look at for identification of energetic SARS-CoV-2 an infection, however is related to diagnostic delay. Antigen detection assays can generate outcomes inside 20 min and outdoors of laboratory settings. But, their diagnostic take a look at efficiency in actual life settings has not been decided.
Strategies: The diagnostic worth of the Panbio™ COVID-19 Ag Fast Take a look at (Abbott), was decided compared to RT-qPCR (Seegene Allplex) in community-dwelling mildly symptomatic topics in a medium (Utrecht, the Netherlands) and excessive endemic space (Aruba), utilizing two concurrently obtained nasopharyngeal swabs.Findings: 1367 and 208 topics have been enrolled in Utrecht and Aruba, respectively. SARS-CoV-2 prevalence, based mostly on RT-qPCR, was 10.2% (n = 139) and 30.3% (n = 63) in Utrecht and Aruba respectively.
The specificity of the Panbio™ COVID-19 Ag Fast Take a look at was 100% (95%CI: 99.7-100%) in each settings. Take a look at sensitivity was 72.6% (95%CI: 64.5-79.9%) within the Netherlands and 81.0% (95% CI: 69.0-89.8%) in Aruba. Likelihood of false destructive outcomes was related to RT-qPCR Ct-values, however not with period of signs. Limiting RT-qPCR take a look at positivity to Ct-values <32 yielded take a look at sensitivities of 95.2% (95%CI: 89.3-98.5%) in Utrecht and 98.0% (95%CI: 89.2-99.95%) in Aruba.
Interpretation: In community-dwelling topics with gentle respiratory signs the Panbio™ COVID-19 Ag Fast Take a look at had 100% specificity, and a sensitivity above 95% for nasopharyngeal samples when utilizing Ct-values <32 cycles as cut-off for RT-qPCR take a look at positivity. Contemplating quick turnaround instances, person friendliness, low prices and alternatives for decentralized testing, this take a look at can enhance our efforts to manage transmission of SARS-CoV-2.

Analysis of a fast antigen take a look at (Panbio™ COVID-19 Ag fast take a look at system) for SARS-CoV-2 detection in asymptomatic shut contacts of COVID-19 sufferers

Targets: There’s restricted data on the efficiency of fast antigen detection (RAD) exams to determine SARS-CoV-2-infected asymptomatic people. On this discipline research, we evaluated the Panbio™ COVID-19 Ag Fast Take a look at Gadget (Abbott Diagnostics, Jena, Germany) for this function.
Strategies: A complete of 634 people (355 feminine; median age, 37 years; vary, 9-87) have been enrolled. Two nasopharyngeal swabs have been collected from family (n=338) and non-household contacts (n=296) of COVID-19 circumstances. RAD testing was carried out on the level of care. The RT-PCR take a look at used was the TaqPath COVID-19 Combo Package (Thermo Fisher Scientific, Massachusetts, USA).
Outcomes: Family contacts have been examined at a median of two days (vary, 1-7) after prognosis of the index case, whereas non-household contacts (n=296) have been examined at a median of 6 days (vary, 1-7) after publicity. In complete, 79 people (12.4%) examined constructive by RT-PCR, of whom 38 (48.1%) yielded constructive RAD outcomes. The general sensitivity and specificity of the RAD take a look at was 48.1% (95% CI: 37.4-58.9) and 100% (95% CI: 99.3-100), respectively. Sensitivity was larger in family (50.8%; 95% CI: 38.9-62.5) than in non-household (35.7%; 95% CI:16.3-61.2%) contacts. People testing constructive by RAD take a look at have been extra seemingly (P<0.001) to develop into symptomatic than their destructive counterparts.
Conclusion: The Panbio take a look at shows low sensitivity in asymptomatic shut contacts of COVID-19 sufferers, significantly in non-household contacts. Nonetheless, establishing the optimum timing for higher respiratory tract assortment on this group appears crucial to pinpoint take a look at sensitivity.

Subject analysis of a fast antigen take a look at (Panbio COVID-19 Ag Fast Take a look at Gadget) for COVID-19 prognosis in main healthcare facilities


Targets: To our information no earlier research has assessed the efficiency of a fast antigen diagnostic immunoassay (RAD) carried out on the level of care (POC). We evaluated the Panbio™ COVID-19 Ag Fast Take a look at Gadget for COVID-19 prognosis in symptomatic sufferers (n=412) attended in main healthcare facilities.
Strategies: RAD was carried out instantly after sampling following the producer’s directions (studying at 15 min.). RT-PCRs have been carried out inside 24 h. of specimen assortment. Samples displaying discordant outcomes have been processed for tradition in Vero E6 cells. Presence of SARS-CoV-2 in cell cultures was confirmed by RT-PCR.
Outcomes: Out of 412 sufferers, 43 (10.4%) examined constructive by RT-PCR and RAD and 358 (86.9%) destructive by each strategies, exhibiting discordant outcomes (RT-PCR+/RAD-) in 11 sufferers (2.7%). General specificity and sensitivity of fast antigen detection (RAD) was 100% (95% CI, 98.7-100%), and 79.6% (95% CI, 67.-88.8%), respectively, taking RT-PCR because the reference.
General RAD destructive predictive worth for an estimated prevalence of 5% and 10% was 99% (95% CI, 97.4-99.6%) and 97.9% (95% CI, 95.9-98.9), respectively. SARS-CoV-2 couldn’t be cultured from specimens yielding RT-PCR+/RAD-results (n=11).
Conclusion: The Panbio COVID-19 Ag Fast Take a look at Gadget carried out nicely as a POCT for early prognosis of COVID-19 in main healthcare facilities. Extra crucially, the information advised that sufferers with RT-PCR-proven COVID-19 testing destructive by RAD are unlikely to be infectious.

KIR2DL4 Antibody

DF13591 100ul
EUR 420

Rabbit Polyclonal antibody Anti-CRBN

Anti-CRBN 50 µg
EUR 418.8

Human KIR2DL4 shRNA Plasmid

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  • 150 µg
  • 300 µg


ELI-21303h 96 Tests
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KIR2DL4 Recombinant Protein (Human)

RP017041 100 ug Ask for price

KIR2DL4 Rabbit pAb

A12836-100ul 100 ul
EUR 369.6

KIR2DL4 Rabbit pAb

A12836-200ul 200 ul
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KIR2DL4 Rabbit pAb

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KIR2DL4 Rabbit pAb

A12836-50ul 50 ul
EUR 267.6

KIR2DL4 Blocking Peptide

33R-9831 100 ug
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Description: A synthetic peptide for use as a blocking control in assays to test for specificity of KIR2DL4 antibody, catalog no. 70R-2365

KIR2DL4 Polyclonal Antibody

27806-100ul 100ul
EUR 302.4

KIR2DL4 Polyclonal Antibody

27806-50ul 50ul
EUR 224.4

KIR2DL4 Recombinant Protein

91-290 0.05 mg
EUR 556.8
Description: Killer cell immunoglobulin-like receptor 2DL4(KIR2DL4) is a Single-pass type I membrane protein and contains 2 Ig-like C2-type (immunoglobulin-like) domains.It belongs to the immunoglobulin superfamily. KIR2DL4 is expressed in all NK cells and some T cells. KIR2DL4 activates the cytotoxicity of NK cells, despite the presence of an immunoreceptor tyrosine-based inhibition motif (ITIM) in its cytoplasmic tail. The ITIM was not necessary for activation of lysis by KIR2DL4. The activation signal of KIR2DL4 was sensitive to inhibition by another ITIM-containing receptor. The activation-deficient mutant of KIR2DL4 inhibited the signal delivered by the activating receptor CD16.

KIR2DL4 cloning plasmid

CSB-CL857457HU-10ug 10ug
EUR 279.6
Description: A cloning plasmid for the KIR2DL4 gene.

pOTB7-KIR2DL4 Plasmid

PVTB00348 2 ug
EUR 427.2

KIR2DL4 ORF Vector (Human) (pORF)

ORF005681 1.0 ug DNA
EUR 114

KIR2DL4 Polyclonal Conjugated Antibody

C27806 100ul
EUR 476.4

pEGFP-flag-KIR2DL4 Plasmid

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KIR2DL4 sgRNA CRISPR Lentivector set (Human)

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Polyclonal Goat anti-GST α-form

GST-ANTI-1 50 uL
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Polyclonal Goat anti-GST μ-form

GST-ANTI-2 50 uL
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Polyclonal Goat anti-GST p-form

GST-ANTI-3 50 uL
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KIR2DL3 / KIR2DL1 / KIR2DL4 / KIR2DS4 Antibody

  • EUR 493.20
  • EUR 360.00
  • 100 ul
  • 50 ul