Home » CHD9 » CHD9 Antibodies » CHD9 Antibody

CHD9 Antibody

 Submit a Review

Images

 
(
Enlarge)
Western Blot: CHD9 Antibody [NBP2-92056] - Analysis of extracts of various cell lines, using CHD9 at 1:3000 dilution.Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution.Lysates/proteins: 25ug per lane.Blocking buffer: 3% nonfat dry milk in TBST.Detection: ECL Basic Kit .Exposure time: 1s.
Western Blot: CHD9 Antibody [NBP2-92056] - Analysis of extracts of various cell lines, using CHD9 at 1:3000 dilution.Secondary antibody: HRP Goat Anti-Rabbit IgG (H+L) at 1:10000 dilution.Lysates/proteins: 25ug per ...read more

Product Details

Summary
Reactivity Hu, MuSpecies Glossary
Applications WB
Clonality
Polyclonal
Host
Rabbit
Conjugate
Unconjugated

Order Details

100% Guarantee on every product

CHD9 Antibody Summary

Immunogen
Recombinant fusion protein containing a sequence corresponding to amino acids 85-190 of human CHD9 (NP_079410.4).
Isotype
IgG
Clonality
Polyclonal
Host
Rabbit
Gene
CHD9
Purity
Affinity purified
Innovator's Reward
Test in a species/application not listed above to receive a full credit towards a future purchase.
Learn about the Innovator's Reward

Applications/Dilutions

Dilutions
  • Western Blot 1:500-1:2000

Packaging, Storage & Formulations

Storage
Store at -20C. Avoid freeze-thaw cycles.
Buffer
PBS with 50% glycerol, pH7.3.
Preservative
0.02% Sodium Azide
Purity
Affinity purified

Alternate Names for CHD9 Antibody

  • AD013
  • ATP-dependent helicase CHD9
  • BC022889
  • CHD-9
  • chromatin remodeling factor CHROM1
  • Chromatin-related mesenchymal modulator
  • Chromatin-remodeling factor CHROM1
  • chromodomain helicase DNA binding protein 9
  • chromodomain-helicase-DNA-binding protein 9
  • ciprofibrate bound protein p240
  • CReMM
  • EC 3.6.1
  • EC 3.6.4.12
  • FLJ12178
  • KIAA0308
  • KISH2
  • Kismet homolog 2
  • Peroxisomal proliferator-activated receptor A-interacting complex 320 kDaprotein
  • PPAR{gamma}-interacting cofactor 320 kDa
  • PPAR-alpha-interacting complex protein 320 kDa
  • PRIC320
  • proteinx0008

Limitations

This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

Customers Who Viewed This Item Also Viewed...

Osteocalcin
Antibody (190125)
MAB1419
Saos‑2 human osteosarcoma cell line was stained with Mouse Anti-Human/Rat Osteocalcin Monoclonal Antibody (Catalog # MAB1419, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram), followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with saponin.
Human osteoblasts were stained with Mouse Anti-Human/Rat Osteocalcin Monoclonal Antibody (Catalog # MAB1419, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram), followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). To facilitate intracellular staining, cells were fixed with paraformaldehyde and permeabilized with saponin.
Osteocalcin was detected in human mesenchymal stem cells differentiated into osteocytes using Mouse Anti-Human/Rat Osteocalcin Monoclonal Antibody (Catalog # MAB1419) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
(4 Reviews)
(27 Publications)
Species: Hu, Rt
Applications: CyTOF-ready, ICC, IHC, ICFlow
Brg1 Antibody
[Unconjugated]
AF5738
Western blot shows lysates of HeLa human cervical epithelial carcinoma cell line and K562 human chronic myelogenous leukemia cell line, cytoplasmic and nuclear extracts. PVDF membrane was probed with 2 µg/mL Goat Anti-Human Brg1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5738) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band for Brg1 was detected at approximately 205 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Brg1 was detected in immersion fixed HeLa human cervical epithelial carcinoma cell line using Goat Anti-Human Brg1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5738) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red, upper panel; Catalog # NL001) and counterstained with DAPI (blue, lower panel). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
Brg1 was detected in immersion fixed undifferentiated rat cortical stem cells using Goat Anti-Human Brg1 Antigen Affinity-purified Polyclonal Antibody (Catalog # AF5738) at 10 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
(1 Review)
Species: Hu
Applications: ICC, KO, WB
BRM Antibody
NBP3-13283
Immunohistochemistry-Paraffin: BRM Antibody [NBP3-13283] - BRM antibody detects BRM protein at nucleus in mouse brain by immunohistochemical analysis. Sample: Paraffin-embedded mouse brain. BRM antibody (NBP3-13283) diluted at 1:500. Antigen Retrieval: Citrate buffer, pH 6.0, 15 min
Immunohistochemistry-Paraffin: BRM Antibody [NBP3-13283] - BRM antibody detects BRM protein at nucleus in mouse testis by immunohistochemical analysis. Sample: Paraffin-embedded mouse testis. BRM antibody (NBP3-13283) diluted at 1:500. Antigen Retrieval: Citrate buffer, pH 6.0, 15 min
Immunocytochemistry/Immunofluorescence: BRM Antibody [NBP3-13283] - BRM antibody detects BRM protein at nucleus by immunofluorescent analysis. Sample: HeLa cells were fixed in 4% paraformaldehyde at RT for 15 min. Green: BRM stained by BRM antibody (NBP3-13283) diluted at 1:500. Red: phalloidin, a cytoskeleton marker, diluted at 1:200. Scale bar= 10 um.
Species: Hu, Mu, Rt
Applications: ICC/IF, IHC, IHC-P, WB
PPAR gamma/NR1C3
Antibody - BSA Free
NBP2-22106
Western Blot: PPAR gamma/NR1C3 Antibody [NBP2-22106] - Total protein from 3T3-L1 mouse embryonic fibroblast adipose-like cell line, separated by 4-12% SDS-PAGE, transferred to nitrocellulose membrane and blocked in 5% non-fat milk for 1h at room temperature. The membrane was probed with anti-PPAR gamma 1:800 in non-fat milk. Lane 2-7 increasing protein concentration, undifferentiated adipocytes. Lane 8-13 increasing protein concentration, differentiated adipocytes. This image was submitted via customer review.
Immunohistochemistry-Paraffin: PPAR gamma Antibody [NBP2-22106] - IHC analysis of PPAR gamma in mouse liver.
Western Blot: PPAR gamma Antibody [NBP2-22106] - Western blot analysis of PPAR gamma in 1. human adipose and 2. human adrenal lysate.
(2 Reviews)
(6 Publications)
Species: Hu, Mu, Rt
Applications: IHC, IHC-P, IP, WB
PPAR alpha/NR1C1
Antibody (3B6/PPAR) - ...
NB300-537
Flow Cytometry: PPAR alpha/NR1C1 Antibody (3B6/PPAR) [NB300-537] - An intracellular stain was performed on Jurkat cells with PPAR alpha/NR1C1 Antibody (3B6/PPAR) NB300-537AF647 (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA and then permeabilized with 0.1% saponin. Cells were incubated in an antibody dilution of 5 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to Alexa Fluor 647.
Western Blot: PPAR alpha/NR1C1 Antibody (3B6/PPAR) [NB300-537] - Analysis of 25 ug of Hela (Lane 1), Jurkat (Lane 2), and NIH-3T3 cell lysates (Lane 3) and a molecular weight protein ladder.
Flow Cytometry: PPAR alpha/NR1C1 Antibody (3B6/PPAR) [NB300-537] - An intracellular stain was performed on U-87 cells with PPAR alpha/NR1C1 Antibody [3B6/PPAR] NB300-537AF647 (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA and then permeabilized with 0.1% saponin. Cells were incubated in an antibody dilution of 2.5 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to Alexa Fluor 647.
(1 Review)
(12 Publications)
Species: Bv, Hu, Mu, Rb, Rt
Applications: ChIP, Flow, GS, ICC/IF, IHC, IHC-P, IP, WB
Biglycan Antibody
AF2667
Biglycan was detected in immersion fixed paraffin-embedded sections of human kidney array using Human Biglycan Antigen Affinity-purified Polyclonal Antibody (Catalog # AF2667) at 15 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). View our protocol for Chromogenic IHC Staining of Paraffin-embedded Tissue Sections.
(7 Publications)
Species: Hu
Applications: IHC, WB
IBSP/Sialoprotein
II
4014-SP
IBSP/Sialoprotein II
(3 Publications)
Species: Hu
Applications: BA
GR/NR3C1 Antibody
(BuGR2) - BSA Free
NB300-731
Flow Cytometry: GR/NR3C1 Antibody (BuGR2) [NB300-731] - An intracellular stain was performed on Jurkat cells with GR/NR3C1 (BuGR2) antibody NB300-731PE (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA and then permeablized with 0.1% saponin. Cells were incubated in an antibody dilution of 5 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to Phycoerthrin.
Flow Cytometry: GR/NR3C1 Antibody (BuGR2) [NB300-731] - Using the Alexa Fluor 647 direct conjugate An intracellular stain was performed on HeLa cells with GR/NR3C1 (BuGR2) antibody NB300-731AF647 (blue) and a matched isotype control NB600-986AF647 (orange). Cells were fixed with 4% PFA and then permeablized with 0.1% saponin. Cells were incubated in an antibody dilution of 2 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to Alexa Fluor 647.
Immunocytochemistry/Immunofluorescence: GR/NR3C1 Antibody (BuGR2) [NB300-731] - Analysis of Glucocorticoid Receptor using Glucocorticoid Receptor Monoclonal Antibody (BuGR2) shows staining in A549 Cells. Glucocorticoid Receptor (green), F-Actin staining with Phalloidin (red) and nuclei with DAPI (blue) is shown. Cells were grown on chamber slides and fixed with formaldehyde prior to staining. Cells were probed without (control) or with an antibody recognizing Glucocorticoid Receptor at a dilution of 1:100 over night at 4C, washed with PBS and incubated with a DyLight-488 conjugated.
(3 Reviews)
(12 Publications)
Species: Gp, Hu, Mu, Rb, Rt, Sh, Ye
Applications: B/N, ChIP, Flow, GS, ICC/IF, IHC, IHC-P, IP, WB
Prolactin R
Antibody (U5)
NB300-561
Immunohistochemistry: Prolactin R Antibody (U5) [NB300-561] - Figure 1 shows immunohistochemical staining of PRL receptor in rat Islets of Langerhans using NB300-561.
Immunocytochemistry/Immunofluorescence: Prolactin R Antibody (U5) [NB300-561] - Prolactin Receptor (green), F-Actin staining with Phalloidin (red) and nuclei with DAPI (blue) is shown. Cells were grown on chamber slides and fixed with formaldehyde prior to staining. Cells were probed without (control) or with an antibody recognizing Prolactin Receptor at a dilution of 1:20 over night at 4C, washed with PBS and incubated with a DyLight-488 conjugated.
Immunocytochemistry/Immunofluorescence: Prolactin R Antibody (U5) [NB300-561] - Prolactin Receptor (green), F-Actin staining with Phalloidin (red) and nuclei with DAPI (blue) is shown. Cells were grown on chamber slides and fixed with formaldehyde prior to staining. Cells were probed without (control) or with an antibody recognizing Prolactin Receptor at a dilution of 1:20 over night at 4C, washed with PBS and incubated with a DyLight-488 conjugated.
(13 Publications)
Species: Bv, Eq, Ha, Hu, Mu, Po, Rb, Rt, Sh
Applications: Flow, ICC/IF, IHC, IHC-Fr, IHC-P, IP, WB
ER alpha/NR3A1
Antibody (33)
NB300-560
Western Blot: ER alpha/NR3A1 Antibody (33) [NB300-560] - Analysis of recombinant ER alpha.
Immunohistochemistry-Frozen: ER alpha/NR3A1 Antibody (33) [NB300-560] - Human breast carcinoma (B) and magnified section (C) compared with an isotype control (A).
Immunohistochemistry-Paraffin: ER alpha/NR3A1 Antibody (33) [NB300-560] - Human breast tissue (B) and magnified section (C) compared with an isotype control (A).
(1 Review)
(8 Publications)
Species: Av, Bv, Ma, Hu, Mu, Pm, Rt
Applications: IF, IHC, IHC-Fr, IHC-P, WB
BMP-4
[Unconjugated]
314-BP/CF
1 ug/lane of Recombinant Human BMP-4 was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by silver staining, showing major bands at 22-25 kDa and 37-41 kDa, respectively. Multiple bands in gel are due to variable glycosylation. 
Recombinant Human BMP-4 (Catalog #314-BP/CF) induces alkaline phosphatase production in the ATDC5 mouse chondrogenic cell line. The ED50 for this effect is 2.5-15 ng/mL.
(427 Publications)
Species: Hu
Applications: BA, BA
PrPC Antibody
(SC57-05)
NBP2-67569
Flow Cytometry: PrPC Antibody (SC57-05) [NBP2-67569] - Analysis of SH-SY-5Y cells with PrPC antibody at 1/50 dilution (red) compared with an unlabelled control (cells without incubation with primary antibody; black). Alexa Fluor 488-conjugated goat anti rabbit IgG was used as the secondary antibody.
Immunocytochemistry/Immunofluorescence: PrPC Antibody (SC57-05) [NBP2-67569] - Staining PrPC in SHG-44 cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
Immunocytochemistry/Immunofluorescence: PrPC Antibody (SC57-05) [NBP2-67569] - Staining PrPC in SH-SY-5Y cells (green). The nuclear counter stain is DAPI (blue). Cells were fixed in paraformaldehyde, permeabilised with 0.25% Triton X100/PBS.
Species: Hu, Mu, Rt
Applications: Flow, ICC/IF, IHC, IHC-P, WB
SPARC Antibody
[Unconjugated]
AF942
Western blot shows lysates of C2C12 mouse myoblast cell line and mouse placenta tissue. PVDF membrane was probed with 0.2 µg/mL of Goat Anti-Mouse SPARC Antigen Affinity-purified Polyclonal Antibody (Catalog # AF942) followed by HRP-conjugated Anti-Goat IgG Secondary Antibody (Catalog # HAF017). A specific band was detected for SPARC at approximately 35-37 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
SPARC/Osteonectin was detected in immersion fixed frozen sections of mouse embryo (E15) using Mouse SPARC/Osteonectin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF942) at 1.7 µg/mL overnight at 4 °C. Tissue was stained using the Anti-Goat HRP-DAB Cell & Tissue Staining Kit (brown; Catalog # CTS008) and counterstained with hematoxylin (blue). Specific staining was localized to developing cartilage. View our protocol for Chromogenic IHC Staining of Frozen Tissue Sections.
SPARC was detected in immersion fixed C2C12 mouse myoblast cell line using Goat Anti-Mouse SPARC Antigen Affinity-purified Polyclonal Antibody (Catalog # AF942) at 5 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Goat IgG Secondary Antibody (red; Catalog # NL001) and counterstained with DAPI (blue). Specific staining was localized to endoplasmic reticuli. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.
(3 Reviews)
(20 Publications)
Species: Mu
Applications: CyTOF-ready, ICC, IHC, ICFlow, WB
PAG1 Antibody
(504004) [Unconjugate
MAB5285
Simple Western lane view shows lysates of Raji human Burkitt's lymphoma cell line and Daudi human Burkitt's lymphoma cell line, loaded at 0.2 mg/mL. A specific band was detected for PAG1 at approximately 76 kDa (as indicated) using 10 µg/mL of Mouse Anti-Human PAG1 Monoclonal Antibody (Catalog # MAB5285). This experiment was conducted under reducing conditions and using the 12-230 kDa separation system.
Western blot shows lysates of Daudi human Burkitt's lymphoma cell line and Raji human Burkitt's lymphoma cell line. PVDF Membrane was probed with 1 µg/mL of Human PAG1 Polyclonal Antibody (Catalog # MAB5285) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). Specific bands were detected for PAG1 at approximately 70-85 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Species: Hu
Applications: Simple Western, WB
SPG7 Antibody
(OTI1C1)
NBP2-01860
Western Blot: SPG7 Antibody (OTI1C1) [NBP2-01860] - Loss of AFG3L2 and/or YME1L is associated with elevated OMA1, diminished SPG7, and a markedly altered pattern of OPA1 protein forms. Whole-cell lysates were resolved using SDS-PAGE and western blotted with antibody to Drp1, Oma1, and Spg7. Image collected and cropped by CiteAb from the following publication (http://www.mdpi.com/1422-0067/19/12/3930), licensed under a CC-BY licence.
Flow Cytometry: SPG7 Antibody (OTI1C1) [NBP2-01860] - Analysis of Hela cells, using anti-SPG7 antibody, (Red), compared to a nonspecific negative control antibody (Blue).
Flow Cytometry: SPG7 Antibody (OTI1C1) [NBP2-01860] - Analysis of Jurkat cells, using anti-SPG7 antibody, (Red), compared to a nonspecific negative control antibody (Blue).
(1 Review)
(3 Publications)
Species: Ca, Hu, Pm, Mu, Rt
Applications: Flow, ICC/IF, IHC, WB
Arrestin 3 Antibody
NBP1-37003
Immunohistochemistry-Paraffin: Arrestin 3 Antibody [NBP1-37003] - Negative Control showing staining of paraffin embedded Human Retina, with no primary antibody.
Immunohistochemistry-Paraffin: Arrestin 3 Antibody [NBP1-37003] - Staining (2.5ug/ml) of paraffin embedded Human Retina. Heat induced antigen retrieval with citrate buffer pH 6, HRP-Staining.
(6 Publications)
Species: Hu, Pm
Applications: ICC/IF, IHC, IHC-Fr, IHC-P, PEP-ELISA
Musculin Antibody
(1D1)
H00009242-M01
Western Blot: Musculin Antibody (1D1) [H00009242-M01] - Detection against Immunogen (35.2 KDa) .
(1 Review)
Species: Hu
Applications: ELISA, WB
MAD2L1 Antibody
NB100-563
Immunohistochemistry: MAD2L1 Antibody [NB100-563] - Sample: FFPE section of human lung carcinoma. Antibody: Affinity purified rabbit anti- MAD2 used at a dilution of 1:1,000 (1ug/ml). Detection: DAB
Immunoprecipitation: MAD2L1 Antibody [NB100-563] - Detection of human MAD2L1 by western blot of immunoprecipitates. Samples: Whole cell lysate (1 mg for IP, 20% of IP loaded) from HeLa cells. Antibodies: Affinity purified rabbit anti-MAD2L1 antibody NB100-563 (lot 3) used for IP at 3 ug/mg lysate. MAD2L1 was also immunoprecipitated by a previous lot (lot 2) and by rabbit anti-MAD2L1 antibody NB100-564. Detection: Chemiluminescence with an exposure time of 30 seconds.
(1 Review)
(14 Publications)
Species: Hu
Applications: ICC/IF, IHC, IHC-P, IP, WB
CHD4 Antibody
(CHD4 3F2/4) - BSA Fr
NBP2-50163
Flow Cytometry: CHD4 Antibody (CHD4 3F2/4) [NBP2-50163] - An intracellular stain was performed on HeLa cells with CHD4 Antibody (CHD4 3F2/4) NBP2-50163PE (blue) and a matched isotype control (orange). Cells were fixed with 4% PFA and then permeabilized with 0.1% saponin. Cells were incubated in an antibody dilution of 5 ug/mL for 30 minutes at room temperature. Both antibodies were conjugated to Phycoerythrin.
(1 Publication)
Species: Hu, Mu
Applications: ChIP, CyTOF-ready, ELISA, Flow, ICC/IF, IHC, IP, KO, WB
CHD9 Antibody
NBP2-92056
CHD9 Antibody
Species: Hu, Mu
Applications: WB

Publications for CHD9 Antibody (NBP2-92056) (0)

There are no publications for CHD9 Antibody (NBP2-92056).
By submitting your publication information earn gift cards and discounts for future purchases.

Reviews for CHD9 Antibody (NBP2-92056) (0)

There are no reviews for CHD9 Antibody (NBP2-92056). By submitting a review you will receive an Amazon e-Gift Card or Novus Product Discount.
  • Review with no image -- $10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen
  • Review with an image -- $25/€18/£15/$25 CAD/¥150 Yuan/¥2500 Yen

Product General Protocols

Find general support by application which include: protocols, troubleshooting, illustrated assays, videos and webinars.

Video Protocols

WB Video Protocol

FAQs for CHD9 Antibody (NBP2-92056) (0)

There are no specific FAQs related to this product. Read our general customer & technical service FAQs.

Secondary Antibodies

 

Isotype Controls

Additional CHD9 Products

Array NBP2-92056

Bioinformatics Tool for CHD9 Antibody (NBP2-92056)

Discover related pathways, diseases and genes to CHD9 Antibody (NBP2-92056). Need help? Read the Bioinformatics Tool Guide for instructions on using this tool.
Visit Tool

Diseases for CHD9 Antibody (NBP2-92056)

Discover more about diseases related to CHD9 Antibody (NBP2-92056).
 

Pathways for CHD9 Antibody (NBP2-92056)

View related products by pathway.

Blogs on CHD9

There are no specific blogs for CHD9, but you can read our latest blog posts.
Omicron Variant Antibodies

Customers Who Bought This Also Bought

Contact Information

Download our Western Blot eHandbook

Product PDFs

  SDS
  PDF Datasheet
  Request CofA

Calculators

Concentration Calculator

The concentration calculator allows you to quickly calculate the volume, mass or concentration of your vial. Simply enter your mass, volume, or concentration values for your reagent and the calculator will determine the rest.

=
÷

Review this Product

Be the first to review our CHD9 Antibody and receive a gift card or discount.


Bioinformatics

Gene Symbol CHD9