Video: Oil Red O yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Liab O yog ib tug fat-soluble dye uas stains neutral triglycerides thiab lipids. Nws tsis tuaj yeem siv nrog formaldehyde-taw paraffin embedded seem raws li cov cawv siv tshem tawm cov lipids feem ntau.
Tsuas yog li ntawd, koj yuav ua li cas thiaj ua tau ib qho kev daws teeb meem O roj liab?
Liab O : Ua Liab O Tshuag Kev daws , yaj Liab O Hauv 20 ml ntawm 100% isopropanol, sib tov zoo thiab cia nws zaum rau 20 feeb. ruaj khov rau 1 xyoos. Ua Liab O Ua haujlwm Kev daws , ntxiv 3 qhov chaw ntawm Liab O Tshuag Kev daws mus rau 2 qhov chaw ntawm dH2O, sib tov zoo, thiab cia zaum rau 10 min.
Tom qab ntawd, lo lus nug yog, dab tsi yog Alcian xiav stain? Lub Hom Phiaj: Alcian xiav stains acid mucosubstances thiab acetic mucins. 5), Alcian xiav stains ob leeg sulfated thiab carboxylated acid mucopolysaccharides thiab sulfated thiab carboxylated sialomucins (glycoproteins). Nws ntseeg tau tias tsim cov ntsev txuas nrog cov kua qaub ntawm cov kua qaub mucopolysaccharides.
Hais txog qhov no, dab tsi yog nile liab stain?
Nile liab (tseem hu ua Nile xiav oxazone) yog lipophilic stain . Nile liab stains intracellular lipid droplets daj.
Sudan Black xeem yog dab tsi?
Sudan Dub B yog Feem ntau siv rau staining ntawm nruab nrab triglycerides thiab lipids. Kuj tseem muaj cov tshuaj histochemical rau chromosomes, Golgi apparatus, thiab leucocyte granules. Nws muaj qhov tsos ntawm tsaus xim av rau dub hmoov nrog siab tshaj plaws nqus ntawm 596-605 nm thiab nws stains xiav- dub.
Pom zoo:
Sociobiology yog dab tsi thiab dab tsi yog qhov kev thuam loj ntawm nws?
Ib feem ntawm sociobiology cuam tshuam nrog kev coj tus cwj pwm tsis zoo feem ntau. Cov neeg thuam tau hais tias daim ntawv thov ntawm sociobiology no yog ib hom kev txiav txim siab caj ces thiab nws ua tsis tau raws li qhov nyuaj ntawm tib neeg tus cwj pwm thiab qhov cuam tshuam ntawm ib puag ncig ntawm tib neeg txoj kev loj hlob
Dab tsi yog cov hlau nplaum uas ua los ntawm qhov kev npaj ntawm electrons yog dab tsi?
Electrons yog teem rau hauv plhaub thiab orbitals nyob rau hauv ib tug atom. Yog hais tias lawv sau lub orbitals kom muaj ntau spin taw tes rau hauv qab (los yog vice versa), txhua atom yuav ua zoo li ib tug me me hlau nplaum. Thaum ib daim ntawm cov hlau tsis muaj hlau nplaum (lossis lwm yam khoom siv ferromagnetic) raug rau sab nraud magnetic teb, ob yam tshwm sim
Dab tsi yog Qhov Ib Feem Cuam Tshuam ntawm cov khoom hydrogen hauv cov methane ch4 yog dab tsi?
Cov feem pua ntawm cov ntsiab lus los ntawm Element Element Symbol Mass Percent Hydrogen H 25.132% Carbon C 74.868%
Dab tsi yog cov reagents xav tau rau PCR thiab dab tsi yog qhov ua haujlwm ntawm txhua tus?
Muaj tsib yam tshuaj reagents, lossis cov khoom xyaw, siv hauv PCR: qauv DNA, PCR primers, nucleotides, PCR tsis thiab Taq polymerase. Primers feem ntau yog siv nyob rau hauv khub, thiab DNA ntawm ob lub primers yog amplified thaum lub sij hawm PCR cov tshuaj tiv thaiv
Red shift blue shift yog dab tsi?
Redshift thiab blueshift piav qhia txog yuav ua li cas lub teeb hloov mus rau luv luv lossis ntev wavelengths raws li cov khoom hauv qhov chaw (xws li hnub qub lossis galaxies) txav los ze dua lossis deb ntawm peb. Thaum ib yam khoom txav deb ntawm peb, lub teeb hloov mus rau qhov kawg ntawm lub spectrum, vim nws lub wavelengths ntev dua