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We narrowed to 34,443 results for: CaS

Showing: 5151 - 5200 of 34443 results
  1. pCMV-T7-NLS(SV40)-anCas(PDCA)-BPNLS(SV40)-P2A-EGFP (LTH1430)

    Plasmid
    #185485
    Purpose
    CMV and T7 promoter expression plasmid for human codon usage anCas(PDCA) with an N-terminal NLS, C-terminal bi-partite NLS, and P2A-eGFP
    Insert
    human codon usage NLS-anCas(PDCA)-BPNLS-P2A-eGFP
    Use
    In vitro transcription; t7 promoter
    Tags
    BPNLS-P2A-eGFP and NLS
    Expression
    Mammalian
    Mutation
    Promoter
    CMV and T7
    Available since
    June 9, 2022
    Availability
    Academic Institutions and Nonprofits only
  2. pLentiRNACRISPR_010-TetO-NLS-RfxCas13d-2A-mCherry-NLS-WPRE-EFS-rtTA3-2A-Blast

    Plasmid
    #228555
    Purpose
    Expresses RfxCas13d in mammalian cells for knockdown of target RNAs in combination with compatible crRNAs. Localized to the nucleus
    Depositor
    Insert
    RfxCas13d
    Use
    Lentiviral
    Tags
    NLS-HA and P2A-mCherry
    Expression
    Mutation
    Promoter
    Available since
    Aug. 19, 2025
    Availability
    Academic Institutions and Nonprofits only
  3. pLentiRNACRISPR_011-TetO-NLS-inactive-RfxCas13d-NLS-WPRE-EFS-rtTA3-2A-Blast

    Plasmid
    #228557
    Purpose
    Expresses inactive RfxCas13d in mammalian cells for binding of target RNAs in combination with compatible crRNAs. Localized to the nucleus
    Depositor
    Insert
    dRfxCas13d
    Use
    Lentiviral
    Tags
    NLS-HA
    Expression
    Mutation
    R239A/H244A/R858A/H863A
    Promoter
    Available since
    Aug. 19, 2025
    Availability
    Academic Institutions and Nonprofits only
  4. pLentiRNACRISPR_012-TetO-NLS-inactive-hfCas13d-NLS-WPRE-EFS-rtTA3-2A-Blast

    Plasmid
    #228558
    Purpose
    Expresses inactive hfCas13d in mammalian cells for binding of target RNAs in combination with compatible crRNAs. Localized to the nucleus
    Depositor
    Insert
    dhfCas13d (N2V8)
    Use
    Lentiviral
    Tags
    NLS-HA
    Expression
    Mutation
    R239A/H244A/R858A/H863A
    Promoter
    Available since
    Aug. 19, 2025
    Availability
    Academic Institutions and Nonprofits only
  5. HUHe variant click editor (CE1) - pCMV-T7-StCV-nCas9-EcKlenow (JO1269)

    Plasmid
    #217790
    Purpose
    Variant CE1 construct with StCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    StCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  6. HUHe variant click editor (CE1) - pCMV-T7-CaCV-nCas9-EcKlenow (JO1261)

    Plasmid
    #217791
    Purpose
    Variant CE1 construct with CaCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    CaCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  7. HUHe variant click editor (CE1) - pCMV-T7-Chimp17-nCas9-EcKlenow (JO1275)

    Plasmid
    #217792
    Purpose
    Variant CE1 construct with Chim HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    Chimp17-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  8. HUHe variant click editor (CE1) - pCMV-T7-GoCV-nCas9-EcKlenow (JO1277)

    Plasmid
    #217793
    Purpose
    Variant CE1 construct with GoCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    GoCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  9. HUHe variant click editor (CE1) - pCMV-T7-SwCV-nCas9-EcKlenow (JO1270)

    Plasmid
    #217794
    Purpose
    Variant CE1 construct with SwCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    SwCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  10. HUHe variant click editor (CE1) - pCMV-T7-RaCV-nCas9-EcKlenow (JO1268)

    Plasmid
    #217795
    Purpose
    Variant CE1 construct with RaCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    RaCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  11. Polymerase variant click editor (CE1) - pCMV-T7-PCV2-nCas9-M-MLV(WT) (DRR1012)

    Plasmid
    #217799
    Purpose
    Variant CE1 construct with wild-type M-MLV revese transcriptase (RT), expressed from CMV or T7 promoters
    Insert
    PCV2-XTEN-nSpCas9-BPNLS-M-MLV-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  12. HUHe variant click editor (CE1) - pCMV-T7-BDFV-nCas9-EcKlenow (JO1271)

    Plasmid
    #217785
    Purpose
    Variant CE1 construct with BDFV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    BDFV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  13. HUHe variant click editor (CE1) - pCMV-T7-CoCV-nCas9-EcKlenow (JO1262)

    Plasmid
    #217786
    Purpose
    Variant CE1 construct with CoCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    CoCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  14. HUHe variant click editor (CE1) - pCMV-T7-FiCV-nCas9-EcKlenow (JO1263)

    Plasmid
    #217787
    Purpose
    Variant CE1 construct with FiCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    FiCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  15. HUHe variant click editor (CE1) - pCMV-T7-GuCV-nCas9-EcKlenow (JO1279)

    Plasmid
    #217788
    Purpose
    Variant CE1 construct with GuCV HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    GuCV-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  16. HUHe variant click editor (CE1) - pCMV-T7-PCV1-nCas9-EcKlenow (JO1315)

    Plasmid
    #217789
    Purpose
    Variant CE1 construct with PCV1 HUH endonuclease, expressed from CMV or T7 promoters.
    Insert
    PCV1-XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  17. pBK2046-AAV-2xSp1-2xNFkB-EFSNC-dSaCas9-KRAB-MECP2(APOE-gRNA1)

    Plasmid
    #223166
    Purpose
    2nd gen. vector for expression of KRAB and truncated MECP2 with dSaCas9 and gRNA1 targeting human/mouse APOE
    Depositor
    Insert
    KRAB-MECP2 (MECP2 Human)
    Use
    AAV and CRISPR
    Tags
    3xFLAG
    Expression
    Mammalian
    Mutation
    Encodes aa 204-310 (MECP2)
    Promoter
    EF1a
    Available since
    Aug. 21, 2024
    Availability
    Academic Institutions and Nonprofits only
  18. pCMV-T7-NLS(SV40)-anCas(SCA)-BPNLS(SV40)-P2A-EGFP (LTH1378)

    Plasmid
    #185484
    Purpose
    CMV and T7 promoter expression plasmid for human codon usage anCas(SCA) with an N-terminal NLS, C-terminal bi-partite NLS, and P2A-eGFP
    Insert
    human codon usage NLS-anCas(SCA)-BPNLS-P2A-eGFP
    Use
    In vitro transcription; t7 promoter
    Tags
    BPNLS-P2A-eGFP and NLS
    Expression
    Mammalian
    Mutation
    Promoter
    CMV and T7
    Available since
    June 9, 2022
    Availability
    Academic Institutions and Nonprofits only
  19. pCMV-T7-NLS(SV40)-anCas(PCA)-BPNLS(SV40)-P2A-EGFP (LTH1441)

    Plasmid
    #185486
    Purpose
    CMV and T7 promoter expression plasmid for human codon usage anCas(PCA) with an N-terminal NLS, C-terminal bi-partite NLS, and P2A-eGFP
    Insert
    human codon usage NLS-anCas(PCA)-BPNLS-P2A-eGFP
    Use
    In vitro transcription; t7 promoter
    Tags
    BPNLS-P2A-eGFP and NLS
    Expression
    Mammalian
    Mutation
    Promoter
    CMV and T7
    Available since
    June 9, 2022
    Availability
    Academic Institutions and Nonprofits only
  20. pCMV-T7-NLS(SV40)-anCas(FCA)-BPNLS(SV40)-P2A-EGFP (LTH1380)

    Plasmid
    #185487
    Purpose
    CMV and T7 promoter expression plasmid for human codon usage anCas(FCA) with an N-terminal NLS, C-terminal bi-partite NLS, and P2A-eGFP
    Insert
    human codon usage NLS-anCas(FCA)-BPNLS-P2A-eGFP
    Use
    In vitro transcription; t7 promoter
    Tags
    BPNLS-P2A-eGFP and NLS
    Expression
    Mammalian
    Mutation
    Promoter
    CMV and T7
    Available since
    June 9, 2022
    Availability
    Academic Institutions and Nonprofits only
  21. pCSD_FKBP-C-SpCas9MT3-574-1368-NLS-3XHA-NLS-ZFPTS3-3xFLAG-2xNLS

    Plasmid
    #107300
    Purpose
    Expresses C terminal (574-1368 aa) R1335K mutant SpCas9 fused to FKBP and ZFP-VEGFA-TS3 in mammalian cells
    Depositor
    Insert
    Truncated SpCas9 (aa 574-1368) fused to FKBP
    Use
    CRISPR
    Tags
    3x Flag, 2x NLS, FKBP, SV40NLS, 3xHA, c-Myc NLS, …
    Expression
    Mammalian
    Mutation
    Truncated SpCas9 (aa 574-1368) with R1335K mutati…
    Promoter
    CMV IE94
    Available since
    Nov. 15, 2018
    Availability
    Academic Institutions and Nonprofits only
  22. pCSD_FKBP-C-SpCas9MT3-574-1368-NLS-3XHA-NLS-ZFPTS2-3xFLAG-2xNLS

    Plasmid
    #107299
    Purpose
    Expresses C terminal (574-1368 aa) R1335K mutant SpCas9 fused to FKBP and ZFP-VEGFA-TS2 in mammalian cells
    Depositor
    Insert
    Truncated SpCas9 (aa 574-1368) fused to FKBP
    Use
    CRISPR
    Tags
    3x Flag, 2x NLS, FKBP, SV40NLS, 3xHA, c-Myc NLS, …
    Expression
    Mammalian
    Mutation
    Truncated SpCas9 (aa 574-1368) with R1335K mutati…
    Promoter
    CMV IE94
    Available since
    Nov. 15, 2018
    Availability
    Academic Institutions and Nonprofits only
  23. pCAG-enAsCas12a-HF1(E174R/N282A/S542R/K548R)-NLS(nuc)-3xHA (AAS1815)

    Plasmid
    #107942
    Purpose
    Mammalian expression plasmid for human codon optimized enAsCas12a-HF1 (enhanced high-fidelity AsCas12a) encoding E174R/N282A/S542R/K548R substitutions
    Insert
    human codon optimized enAsCas12a-HF1 (E174R/N282A/S542R/K548R)
    Use
    Tags
    3x HA and NLS (nucleoplasmin)
    Expression
    Mammalian
    Mutation
    E174R, S542R, K548R, and N282A
    Promoter
    CAG
    Available since
    Feb. 11, 2019
    Availability
    Academic Institutions and Nonprofits only
  24. pCC_08 - hU6-BsmBI-sgRNA(E+F)-barcode-EFS-dxCas9NG-NLS-VPR-2A-Puro-WPRE

    Plasmid
    #139093
    Purpose
    Expresses human codon-optimized inactive xCas9-NG fused to a transcriptional activator VPR in mammalian cells. For cloning of sgRNAs using BsmBI. Contains a barcode downstream of sgRNA cassette.
    Depositor
    Insert
    dxCas9-NG-VPR
    Use
    CRISPR and Lentiviral
    Tags
    Expression
    Mammalian
    Mutation
    D10A, H840A, A262T,R324L, S409I, E480K, E543D, M6…
    Promoter
    Available since
    March 6, 2020
    Availability
    Academic Institutions and Nonprofits only
  25. pDF0114 pU6-Eco31i-Eco31i-DisCas7-11 mature DR guide scaffold with golden gate site

    Plasmid
    #172508
    Purpose
    Encodes the mature DisCas7-11 DR along with a golden gate site for spacer cloning
    Insert
    pU6-Eco31i-Eco31i-DisCas7-11 mature DR guide scaffold with golden gate site
    Use
    Tags
    Expression
    Mammalian
    Mutation
    Promoter
    Available since
    Oct. 7, 2021
    Availability
    Academic Institutions and Nonprofits only
  26. pCAG-denAsCas12a(E174R/S542R/K548R/D908A)-NLS(nuc)-3xHA-VPR (RTW776)

    Plasmid
    #107943
    Purpose
    Mammalian expression plasmid for human codon optimized DNase-inactive enAsCas12a (enhanced AsCas12a) fused to the VPR activation domain, encoding E174R/S542R/K548R/D908A substitutions
    Insert
    human codon optimized DNase-inactive (D908A) enAsCas12a (E174R/S542R/K548R) fused to VPR activation domain
    Use
    Tags
    3x HA, NLS (nucleoplasmin), and VPR (VP64-p65-Rta…
    Expression
    Mammalian
    Mutation
    E174R, S542R, K548R and D908A
    Promoter
    CAG
    Available since
    Feb. 11, 2019
    Availability
    Academic Institutions and Nonprofits only
  27. pCC_05 - hU6-BsmBI-sgRNA(E+F)-barcode-EFS-dCas9-NLS-VPR-2A-Puro-WPRE

    Plasmid
    #139090
    Purpose
    Expresses human codon-optimized inactive SpCas9 fused to a transcriptional activator VPR in mammalian cells. For cloning of sgRNAs using BsmBI. Contains a barcode downstream of sgRNA cassette.
    Depositor
    Insert
    dSpCas9-VPR
    Use
    CRISPR and Lentiviral
    Tags
    Expression
    Mammalian
    Mutation
    D10A, H840A
    Promoter
    Available since
    March 6, 2020
    Availability
    Academic Institutions and Nonprofits only
  28. pLV hU6-gRNA(anti-sense) hUbC-VP64-dCas9-VP64-T2A-GFP

    Plasmid
    #66707
    Purpose
    expresses a single gRNA and VP64-dCas9-VP64
    Depositor
    Inserts
    hU6-gRNA expression cassette
    S.Pyogenes VP64-dCas9-VP64
    Use
    Lentiviral and Synthetic Biology
    Tags
    VP64
    Expression
    Mutation
    D10A and H840A
    Promoter
    hU6 and hUbC
    Available since
    April 12, 2019
    Availability
    Academic Institutions and Nonprofits only
  29. pCC_09 - hU6-BsmBI-sgRNA(E+F)-barcode-EFS-KRAB-dCas9-NLS-2A-Puro-WPRE

    Plasmid
    #139094
    Purpose
    Expresses human codon-optimized inactive SpCas9 fused to a transcriptional repressor KRAB in mammalian cells. For cloning of sgRNAs using BsmBI. Contains a barcode downstream of sgRNA cassette.
    Depositor
    Insert
    KRAB-dSpCas9
    Use
    CRISPR and Lentiviral
    Tags
    Expression
    Mammalian
    Mutation
    D10A, H840A
    Promoter
    Available since
    March 6, 2020
    Availability
    Academic Institutions and Nonprofits only
  30. Polymerase variant click editor (CE1) - pCMV-T7-PCV2-nCas9-Phi29(+exo) (LM2938)

    Plasmid
    #208957
    Purpose
    A variant CE1 construct with Phi29 DNA polymerase (exo active), expressed from CMV or T7 promoters.
    Insert
    PCV2-XTEN-nSpCas9-BPNLS-Phi29(+exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A)
    Promoter
    CMV and T7
    Available since
    Nov. 27, 2023
    Availability
    Academic Institutions and Nonprofits only
  31. Polymerase variant click editor (CE1) - pCMV-T7-PCV2-nCas9-ePhi29(+exo) (LM2990)

    Plasmid
    #208958
    Purpose
    A variant CE1 construct with ePhi29 DNA polymerase (exo active), expressed from CMV or T7 promoters.
    Insert
    PCV2-XTEN-nSpCas9-BPNLS-ePhi29(+exo)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); ePhi29(M8R/V51A/M97T/G197D/E221K/…
    Promoter
    CMV and T7
    Available since
    Nov. 27, 2023
    Availability
    Academic Institutions and Nonprofits only
  32. Polymerase variant click editor (CE1) - pCMV-T7-PCV2-nCas9-M-MLV(PE2) (JO586)

    Plasmid
    #217800
    Purpose
    Variant CE1 construct with engineered M-MLV reverse transcriptase (RT; found in PE2), expressed from CMV or T7 promoters
    Insert
    PCV2-XTEN-nSpCas9-BPNLS-M-MLV(PE2)-BPNLS
    Use
    CRISPR; In vitro transcription; t7 promoter
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); PE2 M-MLV(D200N/L603W/T330P/T306K…
    Promoter
    CMV and T7
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  33. Lentiviral click editor (CE1) plasmid - LTR-pEF1a-PCV2-nCas9-EcKlenow (DRR921)

    Plasmid
    #217798
    Purpose
    Lentiviral plasmid to produce the prototypical CE1 construct (PCV2-nCas9-EcKlenow), expressed from the EF1a promoter
    Insert
    XTEN-nSpCas9-BPNLS-EcKlenow(-exo)-BPNLS
    Use
    CRISPR and Lentiviral
    Tags
    BPNLS
    Expression
    Mammalian
    Mutation
    nSpCas9(H840A); EcKlenow(-exo;D355A/E357A)
    Promoter
    EF1a
    Available since
    Sept. 6, 2024
    Availability
    Academic Institutions and Nonprofits only
  34. pCAG-hAsCas12a-enRVR(E174R/S542R/K548V/N552R)-NLS(nucleoplasmin)-3xHA (AAS1060)

    Plasmid
    #114093
    Purpose
    CAG promoter expression plasmid for human codon optimized AsCas12a-enRVR(E174R/S542R/K548V/N552R) nuclease with C-terminal NLS and HA tag
    Insert
    human codon optimized AsCas12a-enRVR (E174R/S542R/K548V/N552R)
    Use
    Tags
    NLS(nucleoplasmin) and 3xHA
    Expression
    Mammalian
    Mutation
    E174R, S542R, K548V and N552R
    Promoter
    Available since
    Dec. 11, 2018
    Availability
    Academic Institutions and Nonprofits only
  35. pCC_12 - hU6-BsmBI-sgRNA(E+F)-barcode-EFS-KRAB-dxCas9NG-NLS-2A-Puro-WPRE

    Plasmid
    #139097
    Purpose
    Expresses human codon-optimized inactive xCas9-NG fused to a transcriptional repressor KRAB in mammalian cells. For cloning of sgRNAs using BsmBI. Contains a barcode downstream of sgRNA cassette.
    Depositor
    Insert
    KRAB-dxCas9-NG
    Use
    CRISPR and Lentiviral
    Tags
    Expression
    Mammalian
    Mutation
    D10A, H840A, A262T,R324L, S409I, E480K, E543D, M6…
    Promoter
    Available since
    March 6, 2020
    Availability
    Academic Institutions and Nonprofits only
Showing: 5151 - 5200 of 34443 results