Product FAQ

 

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Will proteins eluted in the Qproteome Plasma Membrane Protein protocol be modified, e.g. with the ligand?
FAQ ID -1195
Will pipetting error affect the miRNA qPCR Assay results?
FAQ ID -2728
Will pipetting error affect the EpiTect Methyl qPCR Array results?
FAQ ID -2741
Will pancreas tissue swim on top of RNAprotect Tissue Reagent?
FAQ ID -536
Will mitochondrial DNA also be isolated using the DNA Tissue protocols on the QIAsymphony SP?
FAQ ID -1921
Will mitochondrial DNA also be isolated using the DNA tissue protocols and QIAsymphony DSP DNA Mini Kit on the QIAsymphony SP?
FAQ ID -2991
Will integral, peripheral as well as lipid-anchored plasma membrane proteins be isolated with the Qproteome Plasma Membrane Protein Kit?
FAQ ID -1199
Will dUTP in a PCR reaction affect pyrosequencing?
FAQ ID -2843
Will DNA from chromosomes collected in TE with a drop of mineral oil work with REPLI-g amplification?
FAQ ID -664
Will biotin detection assays be efficient when doing in vitro translation from E. coli lysates with the EasyXpress Site-Specific Biotin Kit?
FAQ ID -878
Will acetone precipitation recommended in the Qproteome Protocols denature Protein?
FAQ ID -807
Why would clumps occur following the addition of Buffer P2 when using LyseBlue Reagent in a plasmid preparation?
FAQ ID -862
Why should I work with diluted or undiluted screens?
FAQ ID -2419
Why should I use the RNeasy Microarray Tissue Mini Kit when purifying RNA for microarray analysis?
FAQ ID -2188
Why should I use the EpiTect Plus FFPE Bisulfite Kit instead of isolating FFPE DNA first and then doing the bisulfite conversion?
FAQ ID -2412
Why should I use RT² SYBR Green Mastermix with RT² qPCR Primer Assays?
FAQ ID -2706
Why should DNA or cDNA targets be less than 250 bp long for real-time PCR?
FAQ ID-751
Why might my gene of interest drop out during WGA if it is not near a telomere or centromere?
FAQ ID -703
Why might Affymetrix GeneChip Mapping assays interfere with the REPLI-g FFPE kit?
FAQ ID -1755
Why is VeraSeq 2.0 DNA Polymerase sometimes cloudy upon removing from -20°C storage?
FAQ ID - 3913
Why is there RNA in the DNA eluate when using the AllPrep DNA Mini Spin Column?
FAQ ID -1044
Why is there no vacuum-only protocol for the RNeasy Plus 96 Kit?
FAQ ID -1993
Why is there no QuantiTect Primer Assay for my gene of interest?
FAQ ID -1140
Why is there no male DNA obtained from sexual assault samples?
FAQ ID - 143767
Why is there no detection of free reporter fluorescence in the LiquiChip System?
FAQ ID -732
Why is there more than one QIAgene for my gene of interest?
FAQ ID -2044
Why is there DNA in the no-template control reaction when using the standard REPLI-g procedure, but not when using the UltraFast procedure?
FAQ ID -1327
Why is there DNA in the no-template (negative) control when using the QuantiTect Whole Transcriptome Kit?
FAQ ID -1620
Why is there an asterisk for my miScript Primer Assays?
FAQ ID -2176
Why is there a need to overlay the resuspended DNA pellet with PRS again (step 17 of QSP)?
FAQ ID - 3951
Why is the Type-it Mutation Detect PCR Kit recommended for preamplification of SNPs?
FAQ ID -2067
Why is the storage time for QuantiFast PCR Kits shorter than that for QuantiTect PCR Kits?
FAQ ID -1446
Why is the RT step with the QuantiFast RT Kits much shorter compared to QuantiTect RT Kits?
FAQ ID -1451
Why is the reaction volume for QuantiFast PCR Kits lower than that for QuantiTect PCR Kits?
FAQ ID -1447
Why is the QuantiFast denaturation step different for PCR and RT-PCR runs in the two-step protocol for the ABI 7500 and other cyclers?
FAQ ID -1442
Why is the qRT-PCR reproducibility so critical when detecting gene expression knock down in an RNAi experiment?
FAQ ID -2774
Why is the QIAcube Connect App reacting so slowly?
FAQ ID - 141519
Why is the QIAamp Viral RNA Mini Kit (50) currently unavailable?
FAQ ID -147395
Why is the pQE DNA provided in QIAexpress Kits blue in color?
FAQ ID -487
Why is the Phoenix Hot Start Taq sometimes cloudy upon removing from -20°C storage?
FAQ ID - 3906
Why is the magnesium (Mg2+) solution supplied in a separate tube in the artus® Parvo B19 PCR Kits?
FAQ ID -1533
Why is the initial fluorescence signal too high when using artus PCR assays on the Rotor-Gene cycler?
FAQ ID -1497
Why is the initial activation step different for Rotor-Gene Probe, SYBR Green and Multiplex Kits?
FAQ ID -2118
Why is the IC not detectable although the analytical PCR is positive?
FAQ ID -1505
Why is the IC not detectable although the analytical PCR is negative?
FAQ ID -1506
Why is the fluorescence signal of the Internal Control on my Rotor-Gene Q very low?
FAQ ID -2574
Why is the final heat denaturation step so important with the QIAsymphony PAXgene Blood RNA protocol?
FAQ ID -2987
Why is the copy number call lower than expected?
FAQ ID — 3413
Why is the activation time for HotStarTaq Plus Polymerase in the QuantiFast SYBR Green Kits different from that for QuantiFast Probe Kits?
FAQ ID -1449
Why is special Type-it Fast SNP Probe PCR chemistry required for TaqMan® SNP Genotyping?
FAQ ID -2057
Why is my plasmid DNA yield low?
FAQ ID -768
Why is my no template control (NTC) real-time Ct value < 35 cycles in my qPCR Assay?
FAQ ID -2686
Why is my EpiTect Methyl qPCR Assay "failed" as indicated in the QC page of the data analysis Excel file?
FAQ ID -2734
Why is my 260/280 ratio low after using the DNeasy mericon Food Kit?
FAQ ID - 3349
Why is maximum amplicon size for the Type-it Microsatellite PCR Kit limited to 500 bp?
FAQ ID -2060
Why is it recommended to add 1 mM IPTG for optimal protein yields using the EasyXpress Protein Synthesis Kits?
FAQ ID -860
Why is it not recommended to stabilize cells with RNAprotect Tissue Reagent?
FAQ ID -941
Why is EvaGreen instead of SYBR Green used as fluorescent dye in the Type-it HRM PCR Kit?
FAQ ID -2196
Why is DTT used only for semen samples?
FAQ ID - 143761
Why is CoralLoad included in the Type-it Mutation Detect, but not in the Type-it Microsatellite PCR Kit?
FAQ ID -2068
Why is carrier RNA used during the isolation of gDNA from microdissected samples with the QIAamp DNA Micro Kit?
FAQ ID -473
Why is an ice-incubation step included during reaction set-up when following the QuantiTect RT-PCR but not the QuantiTect PCR protocol.
FAQ ID -283
Why is a blood collection set required to collect blood into the PAXgene Blood ccfDNA Tube?
FAQ ID - 3628
Why is a blood collection set required to be used with the PAXgene Blood RNA tube?
FAQ ID - 3459
Why is a 2-step (and not a 3-step) cycling protocol recommended for Rotor-Gene SYBR Green Kits?
FAQ ID -2122
Why is a 2-step (and not a 3-step) cycling protocol recommended for QuantiFast SYBR Green PCR Kits?
FAQ ID -1450
Why is 18S ribosomal RNA (rRNA) used as a housekeeping gene to normalize sample-to-sample, systematic variation in qPCR assays?
FAQ ID -2675
Why have the hazard symbols accompanying products changed?
FAQ ID - 3430
Why had my RT² SYBR Green Mastermix been working well in the past, but now does not seem to be?
FAQ ID -2717
Why does the upper aqueous phase look pinkish when purifying RNA from fatty tissue?
FAQ ID -3118
Why does the template for EasyXpress Disulfide Insect Kits need to have a signal sequence (such as the mellitin signal sequence as provided by the EasyXpress Linear Template Fab Kit primers)?
FAQ ID -2967
Why does the SeqTarget Prep Protocol require a 2-step procedure?
FAQ ID -2238
Why does the QuantiTect Primer Assay for my gene of interest have only one version number?
FAQ ID -1134
Why does the QIAcube sometimes fail to pick up the tips or pick up wrong tips?
FAQ ID -3131
Why does the QIAamp DNA Mini Tissue Protocol require both ATL and AL buffer, while the Blood Protocol only uses AL?
FAQ ID -633
Why does the miScript Target Protector not induce the degradation process?
FAQ ID -2263
Why does the fluorescence signal drop sharply at the beginning of an artus® PCR run?
FAQ ID -1498
Why does the DNeasy mericon Food Kit use a QIAquick column and Buffer PB rather than a DNeasy column and Buffer AL, which might be expected since the kit isolates genomic DNA?
FAQ ID - 3347
Why does the DNeasy mericon Food extraction kit use a QIAquick column and not DNeasy column?
FAQ ID -3148
Why does the copy function not apply relative to migration time and normalized area values after loading the DNA size marker table and adding the alignment marker peaks on the QIAxcel System?
FAQ ID -1832
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