Enzyme Linked Immunosorbent Assay (ELISA) News and Research

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New research on phagocytosis and SARS-CoV-2's spike protein

A new study showed that convalescent patient plasma and monoclonal anti-spike antibodies were able to induce phagocytosis at high antibody concentrations.

20 Oct 2021

Phase I clinical trial of two Cuban recombinant protein COVID-19 vaccines

The results of Phase I clinical trials for two new COVID-19 vaccine candidates based on recombinant RDB proteins are reported.

10 Oct 2021

SARS-CoV-2 beta variant elicits variant specific and cross-reactive antibodies

One recent study assessed the serum of Beta variant infected patients to determine whether major non-VOC antibodies could neutralize this virus.

5 Oct 2021

Effect of biologic therapy on COVID-19 in children suffering from rheumatic diseases

A new study aimed to determine the course of SARS-CoV-2 infection in children suffering from rheumatic disease and were receiving bDMARD treatment.

29 Sep 2021

COVID-19 vaccination reduces risk and duration of SARS-CoV-2 infection

In a study conducted at the European Institute of Oncology, scientists have found that the risk and duration of SARS-CoV-2 infection reduced significantly after COVID-19 vaccination.

28 Sep 2021

Human milk antibodies elicited by vaccination show reduced activity against SARS-CoV-2 VoCs

In a study recently published on the medRxiv* preprint server, scientists from Singapore have assessed the levels of IgA-specific anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies in the breast milk of women recently immunized with the second dose of an mRNA-based coronavirus disease 2019 (COVID-19) vaccine.

24 Sep 2021

Effect of prior SARS-CoV-2 infection on post-vaccination SARS-CoV-2 spike IgG antibodies

Natural infection or vaccination against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) confer considerable protection against reinfection and reduce the risk of severe Coronavirus disease 2019 (COVID-19) outcomes.

24 Sep 2021

COVID-19 vaccination and lactation

A new study evaluates the presence of antibodies in breastmilk and the immune responses of lactating women after vaccination of the COVID-19 vaccine.

23 Sep 2021

Comparison of recombinant SARS-CoV-2 receptor binding domain produced in mammalian, insect, and bacterial cells

In a recent study, RBD produced in various cell types are characterized in-depth, comparing their applicability for future COVID-19 research.

21 Sep 2021

A novel FACS-based approach for SARS-CoV-2 serology

A recent study discusses a simple, sensitive, and quantitative serological test based on FACS assay to evaluate antibodies against SARS-CoV-2.

20 Sep 2021

Quantification of salivary IgG and IgA against SARS-CoV-2

Salivary antibody levels are many fold lower than found in blood serum, Immunoglobulin G (IgG) in the saliva is mainly sourced from leakage from the gingival surface and Immunoglobulin A (IgA) from mucosal membranes.

15 Sep 2021

Multiplexed electrochemical sensor platform enables simultaneous detection of SARS-CoV-2 RNA and host antibodies

Scientists from the UK and USA have developed an antifouling nanocomposite-coated multiplexed electrochemical sensor platform that can simultaneously detect severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA and virus-specific antibodies. The platform has shown 100% accuracy in detecting viral RNA and IgG-specific anti-SARS-CoV-2 antibodies. The study is currently available on the medRxiv* preprint server.

6 Sep 2021

Regional differences in prevalence of SARS-CoV-2 antibodies in children

A population-based study assesses seroprevalence in a representative sample of children from regions with high and low community transmission.

2 Sep 2021

The impact of mild SARS-CoV-2 infection on maternal-fetal immunity

Recently, a new study published on the pre-print server bioRxiv* examined the effect that maternal asymptomatic COVID-19 had on decidual and peripheral immune cells during the later stage of pregnancy.

30 Aug 2021

Compounds from medicinal mushrooms may be our future weapon against SARS-CoV-2

Certain steroid-like compounds from Taiwan's endemic medicinal mushrooms (known as antcins) may inhibit a host cell receptor for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and, thus, prevent viral infection and subsequent development of the coronavirus disease (COVID-19), reports a new study published in the MDPI's journal Plants.

24 Aug 2021

Study shows difference in antibody levels in response to SARS-CoV-2 infection and type of vaccination

In a recent study, researchers aimed to monitor the levels of the anti-SARS-CoV-2 spike IgG levels in populations that were subjected to routine tests.

24 Aug 2021

Small study suggests a mix-and-match COVID-19 booster produces robust antibody levels

In a small study published in the medRxiv* preprint server, people given a booster Johnson & Johnson COVID-19 shot showed elevated and robust antibody levels.

19 Aug 2021

Scientists identify a potent neutralizing nanobody against SARS-CoV-1

In a recently published article in the journal Virologica Sinica, scientists have described the development and validation of a potent nanobody that targets the receptor-binding domain (RBD) of severe acute respiratory syndrome coronavirus (SARS-CoV). The nanobody efficiently and specifically blocks the interaction between RBD and angiotensin-converting enzyme 2 (ACE2) and neutralizes the virus.

19 Aug 2021

How delta and kappa variants of SARS-CoV-2 evade the immune system

A new study, available on the bioRxiv* preprint server, describes the neutralizing ability of the monoclonal antibodies against the variants and the difference of the ACE2 binding affinity found in the variants.

17 Aug 2021

COVID vaccines generate antibodies in saliva

Researchers in the United States and Canada have conducted a study showing that the vaccines developed by Pfizer-BioNTech and Moderna to protect against coronavirus disease 2019 (COVID-19) generate local antibody responses in the salivary gland that are independent of the systemic immune response.

5 Aug 2021