HG/T 2998-197997 涂布漆涂刷性测定法(原GB 1757-79(89))

作者:标准资料网 时间:2024-05-04 04:01:04   浏览:8917   来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称:涂布漆涂刷性测定法(原GB 1757-79(89))
中标分类: 化工 >> 涂料、颜料、染料 >> 涂料基础标准与通用方法
替代情况:HG 2-1037-77
发布日期:1900-01-01
实施日期:1980-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 化工 涂料 颜料 染料 涂料基础标准与通用方法
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforEvaluationofDelayedContactHypersensitivityUsingtheMurineLocalLymphNodeAssay(LLNA)
【原文标准名称】:使用鼠科动物局部淋巴结化验(LLNA)评估迟发性接触超敏反应的标准实施规程
【标准号】:ASTMF2148-2007e1
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F04.16
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:敏感症;动物;评估;实验动物;微生物分析;毒物学的试验
【英文主题词】:biocompatibility;contacthypersensitivity;locallymphnodeassay;LLNA;mouse;sensitization
【摘要】:Thepropensityofamaterialtostimulatedelayedcontacthypersensitivitymustbeassessedbeforeclinicalapplicationofdevicescontainingthismaterial.Delayedhypersensitivitymayoccuranywhereinthebody.Systemicdelayedhypersensitivitymayhaveacomplexsetofreactionsandconsequencesdependingontheactualtissue/organsiteofreaction.Althoughthereactionsareseldomlife-threatening,severetissueandorgandamagemyresultovertime.Skinistheusualtestsitetodeterminethepropensityofamaterialtocausedelayedhypersensitivity.Thestandardhistoricaltestmethodshaveinvolvedtheuseofguineapigswithacutaneousapplicationandobservationofthereactionsite.Theuseofthemurinelocallymphnodeassayresultsinanumericalquantitationofstimulation,ratherthansubjectiveevaluationandcouldbeusedtodeterminedoseresponses.Thispracticemaynotbepredictiveofeventsoccurringduringalltypesofimplantapplications.Theuseriscautionedtoconsidertheappropriatenessofthemethodinviewofthematerialsbeingtested,theirpotentialapplications,andtherecommendationscontainedinPracticeF748.1.1Thispracticeprovidesamethodologytouseanin-situprocedurefortheevaluationofdelayedcontacthypersensitivityreactions.1.2Thispracticeisintendedtoprovideanalternativetotheuseofguineapigsforevaluationoftheabilityofadevicematerialtostimulatedelayedcontacthypersensitivityreactions.Thisalternativeisparticularlyapplicableformaterialsusedindevicesthatcontactonlyintactskin.However,theguineapigmaximizationtestisstilltherecommendedmethodwhenassessingthedelayedhypersensitivityresponsetometalsorwhentestingsubstancesthatdonotpenetratetheskinbutareusedindevicesthatcontactdeeptissuesorbreachedsurfaces.Theguineapigmaximizationtestshouldbeusedforthesesubstances.1.3Thispracticeconsistsofaprotocolforassessinganincreaseinlymphocyteproliferationwithinthenodesdrainingthesiteofadministrationontheearsofmice.1.4TheLLNAhasbeenvalidatedonlyforlowmolecularweightchemicalsthatcanpenetratetheskin.Theabsorbedchemicalormetabolitemustbindtomacromolecules,suchasproteins,toformimmunogenicconjugates.1.5Thispracticeisoneofseveraldevelopedfortheassessmentofthebiocompatibilityofmaterials.PracticeF748mayprovideguidancefortheselectionofappropriatemethodsfortestingmaterialsforaspecificapplication.1.6Identificationofasupplierofmaterialsorreagentsisfortheconvenienceoftheuseranddoesnotimplysinglesource.Appropriatematerialsandreagentsmaybeobtainedfrommanycommercialsupplyhouses.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A40;C04
【国际标准分类号】:11_100
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:MaterialNumbers;SkeletonPlan
【原文标准名称】:材料编号.轮廓图
【标准号】:DIN17007-1-1959
【标准状态】:作废
【国别】:德国
【发布日期】:1959-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:材料;设计;材料编号;表示法(记数法)
【英文主题词】:design;materials;materialnumbers;notations
【摘要】:
【中国标准分类号】:H40
【国际标准分类号】:03_100_10
【页数】:1P;A4
【正文语种】:德语