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21:11 EST 18th January 2017 | BioPortfolio

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Showing "Arquer Diagnostics" PubMed Articles 1–25 of 617

Progress and potential of RAS mutation detection for diagnostics and companion diagnostics.

The importance of RAS mutation in carcinogenesis is established, and knowledge of an individual cancer's mutation status is important for optimal treatment.

Resistance diagnosis and the changing economics of antibiotic discovery.

Point-of-care diagnostics that can determine an infection's antibiotic sensitivity increase the profitability of new antibiotics that enjoy patent protection, even when such diagnostics reduce the quantity of antibiotics sold. Advances in the science and technology underpinning rapid resistance diagnostics can therefore be expected to spur efforts to discover and develop new antibiotics, especially those with a narrow spectrum of activity that would otherwise fail to find a market.

Next-Generation Sequencing in Cancer Diagnostics.

This commentary highlights the article by Misyura et al that underscores the use of next-generation sequencing platforms for detection and verification of somatic variants.

Current position of diagnostics and surgical treatment for upper tract urothelial carcinoma.

The applicability of urinary biomarkers and optical diagnostics in upper urinary tract carcinoma (UUTUC) are increasingly debated. To receive insight in the opinion of the urological community involved in this field, a survey was sent out to identify the most promising techniques and understand the need for new diagnostics. Primary objective of this study was to provide an overview of current diagnostics in upper urinary tract urothelial carcinoma. Secondary objectives of this study was to assess the need f...

Point-of-Care Diagnostics for Improving Maternal Health in South Africa.

Improving maternal health is a global priority, particularly in high HIV-endemic, resource-limited settings. Failure to use health care facilities due to poor access is one of the main causes of maternal deaths in South Africa. "Point-of-care" (POC) diagnostics are an innovative healthcare approach to improve healthcare access and health outcomes in remote and resource-limited settings. In this review, POC testing is defined as a diagnostic test that is carried out near patients and leads to rapid clinical ...

Conformational SERS Classification of K-Ras Point Mutations for Cancer Diagnostics.

Point mutations in Ras oncogenes are routinely screened for diagnostics and treatment of tumors (especially in colorectal cancer). Here, we develop an optical approach based on direct SERS coupled with chemometrics for the study of the specific conformations that single-point mutations impose on a relatively large fragment of the K-Ras gene (141 nucleobases). Results obtained offer the unambiguous classification of different mutations providing a potentially useful insight for diagnostics and treatment of c...

Introduction to the molecular diagnostic methods of oncohematology.

Owing to our rapidly expanding knowledge on the genetic background of various oncohematologic diseases and the introduction of novel targeted therapies, molecular genetic techniques have been playing an increasingly important role in the diagnostics and follow-up of hematological malignancies. The various DNA- and RNA-based in situ hybridization, polymerase chain reaction and sequencing technologies are of key significance in diagnostics, classification and prognostic assessment of these diseases, as well a...

Paradigm Shifts in Ophthalmic Diagnostics.

Future advances in ophthalmology will see a paradigm shift in diagnostics from a focus on dysfunction and disease to better measures of psychophysical function and health. Practical methods to define genotypes will be increasingly important and non-invasive nanotechnologies are needed to detect molecular changes that predate histopathology.

Pathology Consultation on Influenza Diagnostics.

To describe the strengths and limitations of the available influenza diagnostics, with a focus on rapid antigen detection assays and nucleic acid detection assays.

Vest recorder used in diagnostics of occasionally occurring supraventricular tachycardia nearby sinus node - a case report.

Symptoms such as palpitations, fainting, dizziness and unexplained loss of consciousness are often notified by patients in clinical practice. Cardiological causes of these ailments could be various, inter alia, atriaventricular conduction disorders, supraventricular arrythmias or more life-threatening ventricular arrythmias. Diagnostics of these disorders includes a series of basic non-invasive research and more advanced specialistic methods. Presented case report shows problems of arrythmias diagnostics an...

Next generation sequencing for the diagnostics and epidemiology of tuberculosis.

Tuberculosis (TB) has overtaken HIV (human immunodeficiency virus) and malaria as the leading cause of death by an infectious disease worldwide. The reduction in the TB incidence is a modest 2% of cases per year, thus we will need 200 years to eradicate the disease. Part of the problem is that TB control tools are decades old and cannot anymore contribute to accelerate eradication of TB. New diagnostics, treatments and vaccines are urgently needed. Next generation sequencing has the potential to become one ...

Narrowing of the Diagnostic Gap of Acute Gastroenteritis in Children 0-6 Years of Age Using a Combination of Classical and Molecular Techniques, Delivers Challenges in Syndromic Approach Diagnostics.

25%-50% of acute gastroenteritis (AGE) cases remain etiologically undiagnosed. Our main aim was to determine the most appropriate list of enteric pathogens to be included in the daily diagnostics scheme of AGE, ensuring the lowest possible diagnostic gap.

Molecular diagnostics for human leptospirosis.

The definitive diagnosis of leptospirosis, which results from infection with spirochetes of the genus Leptospira, currently relies on the use of culture, serological testing (microscopic agglutination testing), and molecular detection. The purpose of this review is to describe new molecular diagnostics for Leptospira and discuss advancements in the use of available methods.

Current options of preimplantion genetic screening and preimplantation genetic diagnostics.

The aim of this work is to summarize the current knowledge about preimplantation genetic screening and diagnostics.

Comparison of Different Matrices as Potential Quality Control Samples for Neurochemical Dementia Diagnostics.

Assay-vendor independent quality control (QC) samples for neurochemical dementia diagnostics (NDD) biomarkers are so far commercially unavailable. This requires that NDD laboratories prepare their own QC samples, for example by pooling leftover cerebrospinal fluid (CSF) samples.

Flow-cytometric immunophenotyping in clinical diagnostics.

Flow cytometric immunophenotyping represents an indispensable tool in hematological and immunological diagnostics. The most frequent indications include lymphocyte phenotyping and the diagnosis and monitoring of benign and malignant hematologic diseases. The role of immunophenotyping in clinical practice is evolving rapidly. This review provides an overview of its current applications and limitations.

Autoimmune Encephalitides: A Broadening Field of Treatable Conditions.

Neurology has been continuously transforming by the refinement of molecular diagnostics and the development of disease-modifying treatments. The discovery of new antibody markers has elucidated the pathogenesis, provided the means of diagnostics, and offered cure or treatment for several immune-mediated neurological and neuropsychiatric disorders. The identification of pathogenic and marker autoantibodies has also facilitated defining the associated phenotypic spectra and the overlap among the phenotypes li...

Smart biosensors for multiplexed and fully integrated point-of-care diagnostics.

Point-of-care diagnostics (PoC) and personalised medicine are highly valuable for the improvement of world health. Smartphone PoC platforms which precisely diagnose diseases and track their development through the detection of several bioanalytes represent one of the newest and most exciting advancements towards mass-screening applications. Here we focus on recent advances in both multiplexed and smartphone integrated PoC sensors.

Rapid and sensitive detection of Zika virus by reverse transcription loop-mediated isothermal amplification.

Zika virus (ZIKV) is an arbovirus that recently emerged and has expanded worldwide, causing a global threat and raising international concerns. Current molecular diagnostics, e.g., real-time PCR and reverse transcription PCR (RT-PCR), are time consuming, expensive, and can only be deployed in a laboratory instead of for field diagnostics.

Genomic epidemiology of gonococcal resistance to extended spectrum cephalosporins, macrolides, and fluoroquinolones in the US, 2000-2013.

 Treatment of Neisseria gonorrhoeae infection is empiric and based on population-wide susceptibilities. Increasing antimicrobial resistance underscores the potential importance of rapid diagnostics, including sequence-based tests, to guide therapy. However, the utility of sequence-based diagnostics depends on the prevalence and dynamics of the resistance mechanisms.

Current and future molecular diagnostics for ocular infectious diseases.

Confirmation of ocular infections can pose great challenges to the clinician. A fundamental limitation is the small amounts of specimen that can be obtained from the eye. Molecular diagnostics can circumvent this limitation and have been shown to be more sensitive than conventional culture. The purpose of this review is to describe new molecular methods and to discuss the applications of next-generation sequencing-based approaches in the diagnosis of ocular infections.

From Companion Diagnostics to Theranostics: A New Avenue for Alzheimer's Disease?

The recent literature signals a growing paradigm shift towards integrating therapeutics and diagnostics, rather than developing and deploying them separately. In this gradual move towards more effective and personalized medications, companion diagnostics are an intermediate stage. The next step may be "theranostics", in which single chemical entities are developed to deliver therapy and diagnosis simultaneously. This strategy has been successfully exploited in oncology and is now emerging as a possibility f...

Modern molecular biomarkers of head and neck cancer. Part I. Epigenetic diagnostics and prognostics: Systematic review.

Nearly half of the head and neck cancer cases are diagnosed in late stages. Traditional screening modalities have many disadvantages. The aim of the present article was to review the scientific literature about novel head and neck cancer diagnostics - epigenetic biomarkers.

New Approaches for Virus Detection through Multidisciplinary Partnerships.

A critical requirement for controlling outbreaks of viral infection is sensitive and accurate diagnostics, which can be expensive and are frequently located in resource-intensive clinical laboratories. Outbreaks of many viral infections occur in countries where healthcare resources are limited and clinical laboratories scarce. This creates a fulfillment gap, one that could be filled through the development of inexpensive, sensitive, easy to use, and portable diagnostics. Here we describe our efforts to deve...

Diagnostics Strategies with Electrochemical Affinity Biosensors Using Carbon Nanomaterials as Electrode Modifiers.

Early diagnosis is often the key to successful patient treatment and survival. The identification of various disease signaling biomarkers which reliably reflect normal and disease states in humans in biological fluids explain the burgeoning research field in developing new methodologies able to determine the target biomarkers in complex biological samples with the required sensitivity and selectivity and in a simple and rapid way. The unique advantages offered by electrochemical sensors together with the av...

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