Reference standards. Medical search. Frequent questions

NIST has produced an SRM for cement paste (SRM 2492) as the first step for the development of a reference material for concrete rheometers. (nist.gov)
This is the next generation, NIST and NPL (NIST counterpart in the U.K.) Traceable, Magnification Reference Standard & Stage Micrometer. (tedpella.com)
It is a major task of national metrology institutes such as the Physikalisch-Technische Bundesanstalt (PTB) in Germany or the National Institute of Standards and Technology (NIST) in the US to provide traceability of measurement results to the SI. (nature.com)

Development challenges in the preparation of solution-based phytochemical and vitamin certified reference materials. (nih.gov)

Molecular/Genomic reference standards are a class of 'controls' or standards used to check the performance of molecular diagnostic assays. (wikipedia.org)
Molecular/Genomic Reference Materials (RMs) are selected or engineered to model a specific genetic biomarker as it occurs in a patient biopsy. (wikipedia.org)
Genomic sequencing identified a higher risk of childhood genetic disorders in 9 percent of newborns who had passed standard screening for these diseases, according to researchers funded by the National Institutes of Health. (nih.gov)

One of the goals of the program is to expand the repertoire of chemically identifiable metabolites through synthesis of reliable standards. (nih.gov)
1. The classes of metabolites that most urgently require reference standards for metabolite identification and at what range of concentrations. (nih.gov)
We offer more than 2,800 catalog products including parents, metabolites, & stable-labeled internal standards for pharmaceutical, clinical research & clinical & forensic toxicology, natural products, and environmental industries. (cerilliant.com)

Reference materials (RM) are used for a calibration of the measuring system, for assessment of a measurement procedure, for assigning values to materials, or for quality control. (wikipedia.org)
Introducing the MRS-6, the next level in a series of magnification calibration standards (the MRS-1, MRS-3 and MRS-4 are currently still available). (tedpella.com)
The MRS series of calibration standards are highly accepted pitch standards, with well over 1,000 being used in laboratories around the world including national laboratories in the US, UK and Germany. (tedpella.com)
The MRS-6 Calibration Standard comes unmounted to give the customer the flexibility to mount the standard on the position or stub they wish. (tedpella.com)
The 908 and 909 Frequency References are ideal for use in calibration laboratories where there is a specific need to calibrate a wide range of instruments, such as frequency counters and synthesizers. (flukecal.com)
Unlike off-air frequency receivers, the 908 and 909 Frequency References have excellent short-term stability that enables much faster frequency calibration. (flukecal.com)
Biological standards are established for use in the calibration of the activity of national or working standards and for the expression of their biological activity in international units. (who.int)

The National Institute of Diabetes and Digestive and Kidney Diseases is planning a public workshop to discuss the challenges and best practices for obtaining and using healthy reference tissue as a benchmark for disease and for assessing the technical variability of imaging and -omic assays. (nih.gov)
This workshop also will identify state-of-the-art, fit-for-purpose standards for these assays and stimulate discussion of the next generation of standards. (nih.gov)
The BRAF V600E Reference Standard is a highly-characterized, biologically-relevant quality control material used to assess the performance of assays that detect somatic mutations, such as Sanger and qPCR sequencing assays. (horizondiscovery.com)
Horizon FFPE Reference standards are cell-line derived making them reproducible, renewable, and affordable experimental controls for molecular diagnostic assays. (horizondiscovery.com)
Our standards yield high molecular weight DNA which can be analyzed in a wide-range of assays including qPCR, Sanger sequencing and next-generation sequencing. (horizondiscovery.com)
Samples of standard preparations are intended for use in laboratory assays only and should not be administered to human beings. (who.int)

A Use Case for Ontology Evolution and Interoperability: The IEC Utility Standards Reference Framework 62357. (igi-global.com)
SIF is an interoperability specification used as a standard data model in Australia, the UK, and the US. (wikipedia.org)
In conclusion, we gave an overview of messaging standards for the interoperability of EHRs and experts selected ISO13606 as a suitable standard for the Islamic Republic of Iran. (who.int)

FMCSA amends its Hazardous Materials Safety Permits rules to update the current incorporation by reference of the Commercial Vehicle Safety Alliance's (CVSA) ``North American Standard Out-of-Service Criteria and Level VI Inspection Procedures and Out-of-Service Criteria for Commercial Highway Vehicles Transporting Transuranics and Highway Route Controlled Quantities of Radioactive Materials as defined in 49 CFR part 173.403. (dot.gov)
Revision to Incorporation by Reference United States Patent and Trademark Office, Department of Commerce. (justia.com)
AGENCY: The United States Patent and Trademark Office (USPTO or Office) is adopting the recently revised World Intellectual Property Organization (WIPO) Standard ST.26, version 1.6, approved November 25, 2022, for incorporation by reference into its regulations addressing application disclosures containing nucleotide and/ or amino acid sequences. (justia.com)
The incorporation by reference of certain publications listed in this rule is approved by the Director of the Federal Register as of July 1, 2023. (justia.com)

AGENCY: FMCSA proposes to amend its Hazardous Materials Safety Permits regulations to incorporate by reference the updated Commercial Vehicle Safety Alliance (CVSA) handbook. (justia.com)

Proficiency schemes involve the distribution of blinded reference materials to subscription laboratories, and the subsequent scoring and assessment of the proficiency of those labs in their molecular diagnostic testing. (wikipedia.org)
These reference data are based on the results from different laboratories that followed the standard procedure, using that material in 1.0 N H 2 SO 4 . (astm.org)
If followed, this test method will provide repeatable potentiodynamic anodic polarization measurements that will reproduce data determined by others at other times and in other laboratories provided all laboratories are testing reference samples from the same lot of Type 430 stainless steel. (astm.org)
IDEXX Reference Laboratories에 오신걸 환영합니다! (idexx.com)
귀하는 IDEXX Reference Laboratories가 보유한 세계 최상의 완전하고 최첨단의 반려동물 진단기기를 이용하여 반려/애완동물의 보호 및 건강관리를 도모하는 전세계 수의사들과 공통된 목표를 향유하게 될 것입니다. (idexx.com)
Recent research performed at the NIOSH National Personal Protective Technology Laboratory (NPPTL), with support from Nelson Laboratories, suggests that some isolation gowns do not meet the performance standards established by the American National Standards Institute (ANSI)/Association for the Advancement of Medical Instrumentation (AAMI). (cdc.gov)

3.3 Standard potentiodynamic polarization plots are shown for a lot of material originally purchased in 1992. (astm.org)
This test method is not applicable for standard material purchased before 1992. (astm.org)

Through this notice, FMCSA proposes to incorporate by reference the April 1, 2018, edition. (justia.com)
Completely implements FORTRAN 77, Fortran90/95, Fortran 2003, Fortran 2008 and Fortran 2018 language standards. (intel.com)

Molecular reference standards are available in a variety of formats, each of which has strengths and weaknesses. (wikipedia.org)
However, due to the significant rise in the number of labs performing molecular testing (in turn caused by the increase in the number of available targeted drugs whose prescription is linked to the presence or absence of a particular biomarker), patient samples are becoming an unsustainable source of reference material. (wikipedia.org)

NCBI accepts nucleotide sequence data from research labs all over the world, but we also have a curation group who uses this data as well as published information to create high quality reference sequences and datasets for use in computational work. (nih.gov)

The MRS-6 is offered as a certified reference material (a traceable standard) or, optionally, without traceability. (tedpella.com)
It should be noted that some high resolution standards are traceable through optical diffraction methods to determine the pattern frequency which does not account for frequency variations in the pattern. (tedpella.com)

As measurements with rheometers can involve flow in a complex geometry, it is important that they are calibrated with a reference material or an SRM. (nist.gov)
These errors can be understood and mitigated through the use of reference standards - well-characterized genetic materials or synthetic spike-in controls that help to calibrate NGS measurements and to evaluate diagnostic performance. (nih.gov)
Generally, hydrophone standards were developed to provide measurements independent of temperature and pressure. (navy.mil)
The recommended reference range is the NHANES III reference database for femoral neck measurements in women aged 20-29 years. (qxmd.com)

No other units of measurement are included in this standard. (astm.org)
High-quality reference materials are essential for accurate analytical measurement and quality control, and to help ensure that sound decisions are made based on reliable data. (lgcstandards.com)
Cargille's M-7 Reference Set is of particular value to the mineralogist and forensic scientist interested in very accurate refractive index and dispersion measurement using Becke line and a hot stage microscope. (cargille.com)
In addition to the transducer standards loan program, USRD maintains in-house expertise in transducer engineering and design to develop specialized measurement transducers. (navy.mil)
The purpose of this study was to define a computer-based standard of identifying the 3D mid-facial reference plane of the face in children with unrepaired cleft lip for measurement of facial symmetry. (3dmd.com)
In the absence of a true gold standard, this paper proposes that the reference standard should be based on bone mineral density (BMD) measurement made at the femoral neck with dual-energy X-ray absorptiometry (DXA). (qxmd.com)

The more effective standard models have developed in the banking, insurance, pharmaceutical and automotive industries, to reflect the stringent standards applied to customer information gathering, customer privacy , consumer safety , or just in time manufacturing . (wikipedia.org)

The USPTO first amended its rules in 2022 to incorporate by reference certain provisions of WIPO Standard ST.26. (justia.com)

This thesis then seeks to understand the impact of de facto judicial independence and impartiality standards by examining the effects of those standards have on the content of applications to circumvent domestic remedies and on the incidence of torture. (bham.ac.uk)

ABSTRACT The present descriptive-comparative study was conducted to give an overview of the messaging standards that are necessary for interoperable electronic health records (EHRs). (who.int)

The informed use of reference standards, and associated statistical principles, ensures rigorous analysis of NGS data and is essential for its future clinical use. (nih.gov)
The IEEE 1934 standard characterizes a 'universal technical framework' facilitating the data-intensive needs of applications and services such as Internet of Things and artificial intelligence. (acm.org)
To analyse this data, a temporary Composite Reference Standard (CRS) which includes radiological findings will be used to support the identification of biomarkers discriminatory for COVID-19. (cebm.net)
SUPPLEMENTARY INFORMATION: The ''WIPO Handbook on Intellectual Property Information and Documentation'' (formerly the ''WIPO Handbook on Industrial Property Information and Documentation'') sets forth standards for the presentation of data in many contexts. (justia.com)
The Thor VM1 Vehicle Mount Computer (VMC) is a rugged, vehicle mounted computer running a Microsoft Windows Embedded Standard 2009 operating system and capable of wireless data communications from a fork-lift truck or any properly configured vehicle. (gammasolutions.com)
A standard data model or industry standard data model (ISDM) is a data model that is widely applied in some industry, and shared amongst competitors to some degree. (wikipedia.org)
When in use, they enable easier and faster information sharing because heterogeneous organizations have a standard vocabulary and pre-negotiated semantics, format, and quality standards for exchanged data. (wikipedia.org)
The standardization affects software architecture as solutions that vary from the standard may cause data sharing issues and problems if data is out of compliance with the standard. (wikipedia.org)
While the format of the standard may have implementation trade-offs, the underlying goal of these standards is to make sharing of data easier. (wikipedia.org)
The most complex data models known are in military use, and consortia such as NATO tend to require strict standards of their members' equipment and supply databases. (wikipedia.org)
EN12896 CEN Reference Data Model For Public Transport. (wikipedia.org)
Base pair estimates are only comparable for T/S ratio data produced with the same reference standard and the same lab procedures. (cdc.gov)
We provide usage guidance and empirical support for the reference standard by applying it to analyze two data sources commonly mined for drug safety surveillance. (nih.gov)
NCBI has developed the Reference Sequences (RefSeq) Project ( https://www.ncbi.nlm.nih.gov/refseq/ ) created/curates high-quality nucleotide and protein sequences from submitted data supplemented with information from peer-reviewed, published literature. (nih.gov)
We designed a preliminary model after data collection and compared the messaging standards of Health Level Seven (HL7) and the International Organization for Standardization (ISO). (who.int)

ASTM International is providing no-cost public access to important ASTM standards used in the production and testing of personal protective equipment. (astm.org)
ASTM International, formerly known as the American Society for Testing and Materials (ASTM), plans to use the NIOSH findings to assist with the development of a new standard specification for non-sterile isolation gowns intended for use in healthcare settings. (cdc.gov)
The testing was conducted according to criteria established by the AAMI, and testing standards developed by the American Association of Textile Chemists and Colorists (AATCC) and ASTM. (cdc.gov)

string) Prints a JSON skeleton to standard output without sending an API request. (amazon.com)

CDC's National Institute for Occupational Safety and Health (NIOSH) recently published a document entitled Criteria for a Recommended Standard: Occupational Exposure to Ethylene Glycol Monomethyl Ether, Ethylene Glycol Monoethyl Ether, and Their Acetates * (1). (cdc.gov)
NIOSH is well renowned for its work in respiratory protective device research, certification, and standards development. (cdc.gov)

This paper will present the process used to develop the mortar reference material. (nist.gov)
The IAIABC works to identify best practices, develop and implement standards, and provide education and information sharing. (iaiabc.org)
The aim is to develop a composite reference standard for COVID-19 diagnosis that will support a standardised approach across research groups to decrease the high false negative rate of rRT-PCR that could penalise the evaluation of diagnostic accuracy of new tests if rRT-PCR is used as a stand-alone reference standard. (cebm.net)
to develop a scale percentile for body mass index (BMI) for adolescents aged 10 to 14 years from the city of Curitiba, Paraná, and compare the values found for overweight (85th percentile) and obesity (95th percentile) with references to national and international BMI. (bvsalud.org)

These standards are ideal for NGS workflows, especially the validation and development of whole-genome sequencing protocols. (horizondiscovery.com)
Representative genomes are assigned to type strain assemblies if there is no current reference genome or if one other than the reference is scientifically significant and exhibits strong sequence diversity as compared to the assigned reference genome(s) (ex: Mycobacterium avium subsp. (nih.gov)

1-3] Many of these diagnostic accuracy studies compare the new tests with rRT-PCR, an imperfect reference standard. (cebm.net)
The authors propose the development and use of a composite reference standard, with predefined diagnostic criteria or levels of diagnostic uncertainty, to allow a comparison with evidence from up to date literature with regards to diagnostic accuracy, but also with current clinical practice in disease management. (cebm.net)

References for the Exploring food behaviours in the UK student population: Interim findings report. (food.gov.uk)

Increasingly, proficiency scheme organizers are turning to genetically modified cell lines as a sustainable and well defined source of reference material. (wikipedia.org)
The second step is the development of a reference material for mortar, composed of the SRM 2492 with added spherical beads. (nist.gov)
3.1 The availability of a standard procedure, standard material, and a standard plot should make it easy for an investigator to check his techniques. (astm.org)
Some of the many properties which may be ascertained from comminuted materials are: exact determination of refractive indices by the immersion method, separation studies into isotropic and anisotropic groups, extent of birefringence, conoscopic observation of interference figures in particles oriented at random, crystallographic and cleavage studies, pleochroism (when present) in all shades of color, extinction angle with reference to cleavage traces, color observations of finely divided material, microscopic inclusions. (cargille.com)
This information is provided as technical reference material. (cdc.gov)

Standards Subscriptions from ANSI provides a money-saving, multi-user solution for accessing standards. (ansi.org)
As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment. (ansi.org)
Our research revealed that seven of the 22 tested disposable models did not meet ANSI/AAMI PB70 liquid barrier performance standard for protective apparel and drapes. (cdc.gov)

Currently the rules reference the April 1, 2015, edition of the out-of-service criteria and, through this final rule, FMCSA incorporates the April 1, 2016, edition. (dot.gov)

These standards and reference reagents are established to provide a means of ensuring uniformity throughout the world in the designation of the potency, activity, or specificity of preparations that are used in the prophylaxis, therapy, or diagnosis of human and some animal diseases, and that cannot be expressed directly in terms of chemical and physical quantities. (who.int)
The second main part of the book presents similar information for international biological reference reagents, which are established mainly for the purpose of providing reference materials of high specificity for the identification of micro-organisms or their products as well as for the identification of other biological substances of interest in the diagnosis of diseases. (who.int)

Explore our reference standards supporting COVID-19 testing. (lgcstandards.com)

What healthy reference tissue(s) and/or standard(s) should I use when I run an experiment in my laboratory next week? (nih.gov)
The Transducer Standards Laboratory at USRD has a complete state-of-the-art facility dedicated to underwater transducer design, prototyping, fabrication, testing, repair, maintenance, and failure analysis. (navy.mil)
The 908 and 909 provide stabile, cost effective solutions for your frequency reference requirements whether in ATE, laboratory or portable applications. (flukecal.com)
For each group of substances, standard preparations are listed in alphabetical order under the name and address of the laboratory that holds and distributes the substances. (who.int)

We investigated whether asymptomatic LASV infection occurred in healthcare workers who used standard barrier nursing methods during the first 15 days of caring for a patient with Lassa fever in Sweden. (cdc.gov)

The NIH Common Fund Metabolomics Working Group is seeking comments regarding the need for high quality reference standards for use in research studies using metabolomic approaches. (nih.gov)
Real time reverse transcriptase polymerase chain reaction (rRT-PCR) is currently the reference standard for the diagnosis of COVID-19, but a high false negative rate has been reported. (cebm.net)
The 909 Frequency Reference includes an ultra-stable Rubidium timebase ("atomic clock"), while the 908 F requency Reference is built around a high-stability oven-controlled cut crystal oscillator. (flukecal.com)

However, the focus in this article was on the development of a composite reference standard to be used in hospital studies. (cebm.net)

Sign up for the Standard Environmental Reference (SER) Subscription List to receive an automatic notice when updates have been made to the SER. (ca.gov)
Subscription pricing is determined by: the specific standard(s) or collections of standards, the number of locations accessing the standards, and the number of employees that need access. (ansi.org)

For the current unit quantity, please visit the EDQM reference substance catalogue . (sigmaaldrich.com)
A PDF redline is a quick and easy way to compare all of the changes between the current, active standard and the previous version. (astm.org)
The current standard of care for ANCA-related vasculitis requires daily doses of the harsh immunosuppressant drug cyclophosphamide for 3 to 6 months. (nih.gov)

Our results strengthen the argument for a low risk of secondary transmission of LASV in humans when standard barrier nursing methods are used and the patient has only mild symptoms. (cdc.gov)
However, a prospective study conducted in Sierra Leone ( 6 ) showed no increased risk for nosocomial transmission when standard barrier nursing methods, including gloves, gowns, and masks with various rates of compliance, were used. (cdc.gov)

There were no signs of active disease in 39% of participants who received rituximab and 33% of those who received standard care. (nih.gov)

The reference standard includes 62 positive test cases and 75 negative controls, and covers 44 drugs and 38 events. (nih.gov)

Either type is supplied with a calibrated standard hydrophone to provide accuracy within ± 1.0 dB. (navy.mil)

example enables the PCI DSS standard for the requesting account. (amazon.com)

Thus, DNA origami nanorulers have become excellent reference and training structures for superresolution microscopy. (nature.com)

The adoption of DXA as a reference standard provides a platform on which the performance characteristics of less well established and new methodologies can be compared. (qxmd.com)

5. The key quality control requirements that synthesized reference standards need to meet. (nih.gov)

Established in 1995, First Reference is the leading publisher of up to date, practical and authoritative HR compliance and policy databases that are essential to ensure organizations meet their due diligence and duty of care requirements. (firstreference.com)
While some gowns met the performance requirements of the standard, seams and ties on some gowns were not constructed adequately to keep liquids and/or viruses from penetrating at these particular points of the isolation gowns. (cdc.gov)

In addition, the far-reaching impact of judicial independence and judicial impartiality standards on the protection of other human rights standards and on complaints to international human rights bodies, is an area that has been acknowledged but not adequately explored. (bham.ac.uk)
They are often defined by standards bodies , database vendors or operating system vendors . (wikipedia.org)

however, it is not always clear which reference set should be used in clinical practice. (nih.gov)

The first and most extensive part of the book provides an updated list of standards for allergens, antibiotics, antibodies, antigens, blood products and related substances, cytokines, endocrinological and related substances, and a miscellaneous group of substances. (who.int)

The Standard Environmental Reference (SER) is an on-line resource to help state and local agency staff plan, prepare, submit, and evaluate environmental documents for transportation projects. (ca.gov)

The title of the resource being referenced. (iptc.org)

A standard eye exam is a series of tests done to check your vision and the health of your eyes. (medlineplus.gov)

Anatomy8

Organisms4

Diseases16

Chemicals and Drugs11

Analytical, Diagnostic and Therapeutic Techniques and Equipment115

Phenomena and Processes10

Disciplines and Occupations7

Anthropology, Education, Sociology and Social Phenomena1

Technology, Industry, Agriculture2

Information Science22

Named Groups1

Health Care51

Geographicals4

NIST3

Certified Reference1

Genomic3

Metabolites3

Calibration7

Assays6

Interoperability3

Incorporation by refere4

Hazardous Materials Safety Permits1

Laboratories6

19922

20182

Molecular2

Datasets1

Traceable2

Measurements4

Measurement6

Pharmaceutical1

20221

Content1

Abstract1

Data15

ASTM3

JSON1

NIOSH2

Develop4

Genome2

Diagnostic2

Findings1

Material5

ANSI3

20161

Specificity2

Explore1

Laboratory4

Healthcare workers1

High3

Development1

Subscription2

Current3

Barrier2

Participants1

Includes1

Provide1

Enables1

Structures1

Characteristics1

Quality control1

Requirements2

Bodies2

Clinical practice1

Products1

Evaluate1

Title1

Exam1