常用同位素性质

常用同位素性质列表放射性核素半衰期射线类型3H12.4yearsP-7Be53.3daysECa11C20.5minP+14C5760yearP-22Na2.6yearP+Y24Na14.8hP-Y28Mg21.4hP-3iSi170minP-32p14.3daysP-33p25daysP-35S87.4daysP-36Cl310000yearsP-K38Cl38.5minP-Y42K12.4hP-Y45Ca165daysP-Y47Ca4.54daysP-5iCr28daysYK52Mn5.8daysP+Y54Mn310daysYK55Fe2.94yearsK57Co270daysY

58CO72days伊Y59Fe46.3daysP-Y60Co5.3yearsP"Y63Ni100yearsP-64CU12.8hP-P+YK65Zn250daysP+K75Se121daysYK76As26.8hP-Y82Br36hP-Y86Rb18.7daysP-Y89Sr51daysP-90Sr28.5yearsP-99Mo68hP-Y109Cd462daysECaiioAg249.8daysP-111Ag7.47daysP-113Sn115.1daysECa115Cd44.6daysP-125I60.0daysYECa131[8.04daysP-Y133Ba10.8yearsECa134Cs2.06yearsP-135I9.7hP-

137CS30.17yearsP-185W75.1days皆i97Hg64.4hECa198Au2.696daysP-199Au3.13daysP-203Hg46.6daysP-同位素检测方法同位素介质检测方法3H琼脂糖凝胶闪烁计数聚内酰胺凝胶硝酸纤维素膜，滤纸14C/35S琼脂糖凝胶fluorography(formax.sensitivity)or聚内酰胺凝胶放射自显影（可获较高的分辩率）硝酸纤维素膜，滤纸放射自显影32P/125I琼脂糖凝胶放射自显影（用增感屏）聚内酰胺凝胶(formax.sensitivity)ordirect硝酸纤维素膜，滤纸放射自显影（可获较高的分辩率）同位素在试验中的应用应用同位素检测方法1DNA/RNA打点杂交32P放射自显影（用增感屏）1DNA序列测定32P放射自显影135S放射自显影

原位杂交32p放射自显影135S放射自显影13H放射自显影体外蛋白质合成14C/35S闪烁计数13H闪烁计数1噬斑和菌落的筛选32p放射自显影（用增感屏）135S放射自显影1SouthernandNorthern杂交32p放射自显影（用增感屏）135S放射自显影（用增感屏）1Westernblots3H闪烁计数I14C/35S放射自显影I125I放射自显影（用增感屏）常用同位素理化性质，检测方法单位换算Curies和d.p.m的换算.1Curie(Ci)=2.22x1012d.p.m.1milliCurie(mCi)=2.22x109d.p.m.1microCurie(mCi)=2.22x106d.p.m.1nanoCurie(nCi)=2.22x103d.p.m.1picoCurie(pCi)=2.22d.p.m.Curies和Becquerels的换算1Ci=3.7x1010Bq=37GBq(gigaBq)1mCi=3.7x107Bq=37MBq(megaBq)1mCi=3.7x104Bq=37kBq(kiloBq)1GBq=2.7x10-4Ci=27.027mCi(