简介：到杀虫药剂的危险性被从南部的Karnataka的不同地点收集棕色的planthopper的地人口调查，印度(Gangavati，Kathalagere，Kollegala，Soraba和Mandya)。所有地人口在他们的危险性不同到杀虫药剂。一般来说，Soraba和Mandya人口更产生与Gangavati和Kathalagere人口相比的杀虫药剂。抵抗比率在人口viz之中极大地变化了，chlorpyriphos(到16.82褶层的1.13-)，imidacloprid(到13.50褶层的0.53-)，acephate(到5.32褶层的1.34-)，fipronil(到4.06褶层的1.13-)，thiamethoxam(到2.19褶层的1.01-)，clothianidin(到4.86褶层的1.92-)，dinotefuran(到2.22褶层的0.82-)，buprofezin(到5.43褶层的1.06-)和carbofuran(到2.17褶层的0.41-)。从Gangavati，Kathalagere和Kollegala的人口展出了更高的抵抗到一些旧杀虫药剂和低抵抗到新分子。

简介：Anewdi-functionadsorbent(JN-3)waspreparedbysulfhydrylmodified.ComparingwithAmberliteXAD-4andNDA-150,theequilibriumadsorptionforphenolontheJN-3fromaqueoussolutionswastested,perfectadsorptioncapacitywasshown.Pb2+canbealsoremovedbyJN-3becauseofthechelateinteractionbetweensulfhydrylgroupsandmetalions.Thisadsorbentcouldbeusedinremovalofcombinepollutantssuchasphenoliccompoundsandheavymetalionsfromwastestreams.

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简介：Twonew15-memhoredfimctionalizedmacrocycles,dioxo-polyazacydoalkaneswiththreependantacetatogroups,havebeensynthesizedbythecondensationreactionofDTPAdianhy-dride(DTPA=diethylenetrlamlnepentaaceticacid)with1,2-di-amlnopropane,(15-DTPA-1,2-pn),or1,2-diaminocydohex-ane,(15-DTPA-1,2-cy).Theirlanthanidecomplexes[Ln(15-DTPA-1,2-pn)(H2O)]2[Ln=Eu(1),Gd(2)]and[Ln(15-DTPA-1,2-cy)(H2O)]2[Ln=Eu(3),Gd(4)]werealsopre-pared.SinglecrystalX-raydiffractionanalysesofcomplexes2and4showthattheyhavedimericstructuresinsolidstate;eachmetalionisnine-coordinatedinadistortedtricapped-trig-onalprism.Incomplex4,thecoexistenceoftwodiastereoiso-mericmoleculesinthecrystallatticewasobserved.

简介：在标题提及的组被分类直到同晶型。这是Berkovich和Janko建议的一个问题的一个答案。

简介：Twonovelcyclotriphosphazenederivativescontaining6-(4-hydroxyphenyl)-2,2'-bipyridine(hopbp)sidegroups,N_3P_3(dobp)_2(hopbp)_2(1)andN_3P_3(dobp)(hopbp)_4(2)(dobp=2,2'-dioxybiphenyl),weresynthesizedandcharacterized.Thesecompoundsdisplaystrongfluorescentemissionbothinsolutionandinsolidstate.Theirabsorptionandemissionspectraaresensitivetoproton:theadditionofHBF4tothemethanolanddichloromethanesolution(9∶1,volumeratio)ofcompound1ledtoared-shiftfrom350to460nmfortheemissionspectrum,andtheprocesswasalsocharacterizedbyisosbesticpointsofabsorptionspectraat267,287and313nm.

简介：Theadsorptionbehaviorofionicgoldontochelatingfibercontainingamidoximegroupswasinvestigated.ThechelatingfiberpresentshighadsorptioncapacityforionicgoldAu^3+（upto626mg/g,whenthecontentofamidoximegroupreaches7.59mmol/g),andpossessestheabilitytoreducetheAu^3+intometallicgold,Intheredoxprocess,theamidoximegroupisoxidizedintocarboxylgroup.

简介：Anovelsolubleπ-conjugatedpolymer,poly[(3-acetylpyrrole-2,5-diyl)p-(N,N-dimethylamino)azobenzylidene](PAPDMAABE),wassynthesizedbycondensationof3-acetylpyrrolewith4-aldehyde-4'-dimethylaminoazobenzene(ADMAA).ThechemicalstructureofPAPDMAABEwascharacterizedbyFouriertransforminfraredspectroscopy(FTIR),1H-NMR,andUV-Vis-NIRspectra.Transmissionelectronmicroscope(TEM)analysisforPAPDMAABEindicatesthatpartofPAPDMAABEisincrystalstate,duetotheshort-rangeorderofthepolymer.Thermogravimetricanalysis(TGA)curveshowsthatthepolymerhasgoodthermalstabilityanditsdecompositiontemperatureis248℃.TheopticalbandgapofPAPDMAABEobtainedfromtheopticalabsorptionspectrumisabout1.73eV.Theresonantthird-ordernonlinearopticalpropertyofPAPDMAABEat532nmwasstudiedusingdegeneratefour-wavemixing(DFWM)technique.Theresonantthird-ordernonlinearopticalsusceptibilityofthepolymerisabout7.48×10-8esu.

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简介：Slightlycrosslinkedmonodispersepoly（maleicanhydride-cyclohexylvinylether-divinylbenzene）（MA-CHVE-DVB）microsphereswerepreparedviaprecipitationpolymerizationwhileusing2,2-azobisisobutyronitrileasaninitiatorinamixtureofmethylethylketoneandn-heptanewithoutanystabilizer.Thenumber-averagediameteroftheresultantpoly（MA-CHVE-DVB）microspheresrangedfrom0.478to1.386μmwithapolydispersityindexof1.00to1.02thatdependedonthefeedratiosoftheMA/CHVE/DVBmonomers.Theintroductionofoneelectrondonormonomercyclohexylvinyletherstronglyaffectedtheyield,size,andmorphologyoftheseslightlycrosslinkedmicrospheres.Quinolinetypechelatingresinswereobtainedaftercombiningthepoly（MA-CHVE-DVB）with8-hydroxyquinoline;theadsorptionpropertiesofthesematerialsweremeasuredthroughtheirabilitytoremoveCu2+ionsfromwater.Thepoly（MA-CHVE-DVB）microsphereswithlowdegreesofcrosslinldngprovidedmoreeffectivefunctionalgroupsandthereforebetterionremovalcapabilities.Theseslightlycrosslinkedmicrospheresmayhaveapplicationsinwatertreatmentaswellasinsensinganddrugdelivery.

简介：Networkcrownetherpolymerwithpendantsulfidesidechaininthenetworkstructureunitshasbeensynthesizedviaring-openingcopolymerizationofβ-ethylthioethylglycidyletheranddiethyleneglycolbisglycidylether.Akindofactivecatalystsuitableforthisreactionwassuggested.Thetitlepolymerwasfoundtobeagoodligandforplatinouschloride,andtheplatinouscomplexcouldcatalyzethehydrosilylationofolefinswithtriethoxysilaneefficiently.

简介：Objective:Theaiminthisstudywastoidentifytheallelicfrequenciesofthechemokine(SDF1-3'A)andchemokinereceptor(CCR5△32,CCR5m303andCCR2-64I)genesresistanttoHIV-1infectionand/ordiseaseprogressioninindigenousChinesepopulations.Methods:ByusingQIAampDNABloodMiniKit,thegenomicDNAsampleswerepurifiedfromwholeperipheralbloodofhealthyindividuals(n=2067)fromHan,Uygur,MongolianandTibetanethnicgroups,aswellasHanpatientsincludingHIV-1carriers(n=330),patientswithothersexuallytransmitteddiseases(STDs,n=259)andintravenousdrugusers(IVDUs,n=125).TheallelicpolymorphismswereidentifiedbymeansofPCRorPCR-RFLPanalyses.ThesequencesofrandomlyselectedamplifiedPCRproductswerefurtherconfirmedbydirectDNAsequencing.Results:Themutantfrequencieswereidentifiedtobe0%-3.48%forCCR5△32,0%forCCR5m303,19.15%-28.79%forCCR2-64and19.10%-28.73%forSDF1-3'Aalleles,respectively,inChinesehealthyindividualsfromfourethnicgroups.Ourfindingsindicatedtheallelicfrequenciesvaryamongthedifferentethnicgroups.Furthermore,theHIV-1carriers,STDcasesandIVDUs(allofHanethnicity)werefoundtohavetheallelicfrequenciesof0%-0.19%(CCR5A32),0%(CCR5m303),19.31%-20.45%(CCR2-64)and25.61%-26.83%(SDF1-3'A)withminorvariationsintheirfrequenciesbetweenthepatientsandhealthyHangroups.TherewasnoCCR5-m303mutationfoundinanysubjectinthisstudy.Conclusion:TheexaminedsubjectsoffourChineseethnicoriginsshowedlowerfrequenciesofCCR5A32andCCR5m303alleles,buthigherfrequenciesofmutantCCR264IandSDF1-3'Aallelescomparedtothoseidentifiedinnorthern-EuropeanandAmericanCaucasians.ThesignificanceofthedifferentfrequenciesandpolymorphismsoftheaboveallelesinChinesepopulationsneedstobefurtherexaminedinHIV-1/AIDSdiseases.