Enzyme-linked immunosorbent assay (ELISA) kits

Human NKRF(NFKB Repressing Factor) ELISA Kit

Human NKRF(NFKB Repressing Factor) ELISA Kit

Contact us: [email protected]

Human NFKB Repressing Factor (NKRF) ELISA Kit

DLR-NKRF-Hu-48T 48T
EUR 620.4
Description: A sandwich quantitative ELISA assay kit for detection of Human NFKB Repressing Factor (NKRF) in samples from tissue homogenates or other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

DLR-NKRF-Hu-96T 96T
EUR 807.6
Description: A sandwich quantitative ELISA assay kit for detection of Human NFKB Repressing Factor (NKRF) in samples from tissue homogenates or other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

DL-NKRF-Hu 96T
EUR 441
Description: tissue homogenates or other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

EKN47401-48T 48T
EUR 378.7

Human NFKB Repressing Factor (NKRF) ELISA Kit

EKN47401-5x96T 5x96T
EUR 2569.75

Human NFKB Repressing Factor (NKRF) ELISA Kit

EKN47401-96T 96T
EUR 541

Human NFKB Repressing Factor (NKRF) ELISA Kit

EK15740 96Т
EUR 768

Human NFKB Repressing Factor(NKRF)ELISA Kit

YLA1033HU-48T 48T Ask for price

Human NFKB Repressing Factor(NKRF)ELISA Kit

YLA1033HU-96T 96T Ask for price

Human NFKB Repressing Factor,NKRF ELISA KIT

E3506Hu-1096T 10*96T
EUR 4122

Human NFKB Repressing Factor,NKRF ELISA KIT

E3506Hu-48wells 48 wells
EUR 300

Human NFKB Repressing Factor,NKRF ELISA KIT

E3506Hu-596T 5*96T
EUR 2061

Human NFKB Repressing Factor,NKRF ELISA KIT

E3506Hu-96wells 96 wells
EUR 458

Human NFKB Repressing Factor (NKRF) ELISA Kit

EKU06290-48T 48T
EUR 555.66

Human NFKB Repressing Factor (NKRF) ELISA Kit

EKU06290-5x96T 5x96T
EUR 3770.55

Human NFKB Repressing Factor (NKRF) ELISA Kit

EKU06290-96T 96T
EUR 793.8

Human NFKB Repressing Factor(NKRF)ELISA Kit

QY-E04759 96T
EUR 433.2

Human NFKB Repressing Factor (NKRF) ELISA Kit

RDR-NKRF-Hu-48T 48T
EUR 475.34
Description: tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

RDR-NKRF-Hu-48Tests 48 Tests
EUR 652.8

Human NFKB Repressing Factor (NKRF) ELISA Kit

RDR-NKRF-Hu-96T 96T
EUR 679.04
Description: tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

RDR-NKRF-Hu-96Tests 96 Tests
EUR 907.2

Human NFKB Repressing Factor (NKRF) ELISA Kit

RD-NKRF-Hu-48T 48T
EUR 452.7
Description: tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

RD-NKRF-Hu-48Tests 48 Tests
EUR 625.2

Human NFKB Repressing Factor (NKRF) ELISA Kit

RD-NKRF-Hu-96T 96T
EUR 646.7
Description: tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

RD-NKRF-Hu-96Tests 96 Tests
EUR 867.6

Human NFKB Repressing Factor (NKRF) ELISA Kit

SEH536Hu-10x96wellstestplate 10x96-wells test plate
EUR 5677.8
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human NFKB Repressing Factor (NKRF) in Tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

SEH536Hu-1x48wellstestplate 1x48-wells test plate
EUR 572.76
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human NFKB Repressing Factor (NKRF) in Tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

SEH536Hu-1x96wellstestplate 1x96-wells test plate
EUR 766.8
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human NFKB Repressing Factor (NKRF) in Tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

SEH536Hu-5x96wellstestplate 5x96-wells test plate
EUR 3090.6
Description: This is Double-antibody Sandwich Enzyme-linked immunosorbent assay for detection of Human NFKB Repressing Factor (NKRF) in Tissue homogenates and other biological fluids.

Human NFKB Repressing Factor (NKRF) ELISA Kit

4-SEH536Hu
  • Ask for price
  • Ask for price
  • Ask for price
  • 10 plates of 96 wells
  • 5 plates of 96 wells
  • 1 plate of 96 wells
Description: Enzyme-linked immunosorbent assay based on the Double-antibody Sandwich method for detection of Human NFKB Repressing Factor (NKRF) in samples from Tissue homogenates and other biological fluids. with no significant corss-reactivity with analogues from other species.

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS166852-10x96StripWells 10x96-Strip-Wells
EUR 3460

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS166852-48StripWells 48-Strip-Wells
EUR 285

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS166852-5x96StripWells 5x96-Strip-Wells
EUR 1750

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS166852-96StripWells 96-Strip-Wells
EUR 425

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2024570-10x96StripWells 10x96-Strip-Wells
EUR 5320

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2024570-24StripWells 24-Strip-Wells
EUR 360

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2024570-48StripWells 48-Strip-Wells
EUR 545

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2024570-5x96StripWells 5x96-Strip-Wells
EUR 2915

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2024570-96StripWells 96-Strip-Wells
EUR 720

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS4501385-10x96Tests 10x96Tests
EUR 5260

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS4501385-48Tests 48Tests
EUR 460

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS4501385-5x96Tests 5x96Tests
EUR 2700

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS4501385-96Test 96Test
EUR 605

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS452449-10x96StripWells 10x96-Strip-Wells
EUR 5050

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS452449-48StripWells 48-Strip-Wells
EUR 440

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS452449-5x96StripWells 5x96-Strip-Wells
EUR 2590

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS452449-96StripWells 96-Strip-Wells
EUR 585

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2706412-10x96StripWells 10x96-Strip-Wells
EUR 3130

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2706412-24StripWells 24-Strip-Wells
EUR 255

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2706412-48StripWells 48-Strip-Wells
EUR 330

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2706412-5x96StripWells 5x96-Strip-Wells
EUR 1630

Human NFKB Repressing Factor (NKRF) ELISA Kit

MBS2706412-96StripWells 96-Strip-Wells
EUR 420

ELISA kit for Human NKRF (NFKB Repressing Factor)

ELK3771 1 plate of 96 wells
EUR 518.4
Description: A sandwich ELISA kit for detection of NFKB Repressing Factor from Human in samples from blood, serum, plasma, cell culture fluid and other biological fluids.

Human NFKB Repressing Factor, NKRF GENLISA ELISA

KBH3506 1 x 96 wells
EUR 286

ELISA Kit for NFKB Repressing Factor (NKRF)

SEH536Hu 96Т
EUR 700

Human NFKB Repressing Factor (NKRF) CLIA Kit

20-abx495466
  • Ask for price
  • Ask for price
  • Ask for price
  • 10 × 96 tests
  • 5 × 96 tests
  • 96 tests

Plant NFKB Repressing Factor (NKRF) ELISA Kit

MBS9378275-INQUIRE INQUIRE Ask for price

Human NFKB Repressing Factor (NKRF) Protein

20-abx168193
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100 ug
  • 10 ug
  • 1 mg
  • 200 ug
  • 50 ug

Human NFKB Repressing Factor (NKRF) Protein

abx168193-1ml 1 ml
EUR 225

NFKB Repressing Factor (NKRF) Antibody

20-abx129198
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100 ug
  • 10 ug
  • 1 mg
  • 200 ug
  • 50 ug

NFKB Repressing Factor (NKRF) Antibody

abx032921-400ul 400 ul
EUR 627.6

NFKB Repressing Factor (NKRF) Antibody

abx032921-80l 80 µl
EUR 343.2

NFKB Repressing Factor (NKRF) Antibody

20-abx003678
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100 ul
  • 200 ul
  • 20 ul
  • 50 ul

NFKB Repressing Factor (NKRF) Antibody

abx235747-100ug 100 ug
EUR 577.2

NFKB Repressing Factor (NKRF) Antibody

20-abx173820
  • Ask for price
  • Ask for price
  • 1 mg
  • 200 ug

NFKB Repressing Factor (NKRF) Antibody

20-abx217183
  • Ask for price
  • Ask for price
  • 100 ug
  • 50 ug

NFKB Repressing Factor (NKRF) Antibody

abx129198-100l 100 µl
EUR 275

NFKB Repressing Factor (NKRF) Antibody

abx129198-1ml 1 ml
EUR 750

NFKB Repressing Factor (NKRF) Antibody

abx129198-200l 200 µl
EUR 337.5

NFKB Repressing Factor (NKRF) Antibody

abx173820-100l 100 µl
EUR 787.5

NFKB Repressing Factor (NKRF) Antibody

abx173820-1ml 1 ml Ask for price

NFKB Repressing Factor (NKRF) Antibody

abx173820-200l 200 µl Ask for price

NFKB Repressing Factor (NKRF) Antibody

abx032921-400l 400 µl
EUR 518.75

NFKB Repressing Factor (NKRF) Antibody

abx235747-100g 100 µg
EUR 350

NFKB Repressing Factor (NKRF) Antibody

abx375384-96tests 96 tests
EUR 337.5

NFKB Repressing Factor (NKRF) Antibody

abx003678-100l 100 µl
EUR 400

NFKB Repressing Factor (NKRF) Antibody

abx003678-20l 20 µl
EUR 175

NFKB Repressing Factor (NKRF) Antibody

abx003678-50l 50 µl
EUR 275

Recombinant NFKB Repressing Factor (NKRF)

RPH536Hu01 10ug
EUR 172

Recombinant NFKB Repressing Factor (NKRF)

4-RPH536Hu01
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100 ug
  • 10ug
  • 1 mg
  • 200 ug
  • 500 ug
  • 50ug
  • 5 mg
Description: Recombinant Human NFKB Repressing Factor expressed in: E.coli

Recombinant NFKB Repressing Factor (NKRF)

RPU52738-100ug 100ug
EUR 530.2

Recombinant NFKB Repressing Factor (NKRF)

RPU52738-1mg 1mg
EUR 2347.8

Recombinant NFKB Repressing Factor (NKRF)

RPU52738-50ug 50ug
EUR 425.7

Recombinant NFKB Repressing Factor (NKRF)

MBS2029422-001mg 0.01mg
EUR 170

Recombinant NFKB Repressing Factor (NKRF)

MBS2029422-005mg 0.05mg
EUR 300

Recombinant NFKB Repressing Factor (NKRF)

MBS2029422-01mg 0.1mg
EUR 450

Recombinant NFKB Repressing Factor (NKRF)

MBS2029422-02mg 0.2mg
EUR 550

Recombinant NFKB Repressing Factor (NKRF)

MBS2029422-05mg 0.5mg
EUR 1050

NFkB Repressing Factor (NKRF, ITBA4, NRF)

MBS603882-01mg 0.1mg
EUR 680

NFkB Repressing Factor (NKRF, ITBA4, NRF)

MBS603882-5x01mg 5x0.1mg
EUR 2910

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human)

4-PAH536Hu01
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF)

NKRF (NFkB Repressing Factor, NRF, ITBA4) (AP)

MBS6429147-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (AP)

MBS6429147-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (PE)

MBS6429157-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (PE)

MBS6429157-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (APC)

MBS6429148-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (APC)

MBS6429148-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (HRP)

MBS6429151-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (HRP)

MBS6429151-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (FITC)

MBS6429150-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (FITC)

MBS6429150-5x01mL 5x0.1mL
EUR 4120

NKRF (untagged)-Human NFKB repressing factor (NKRF) transcript variant 3

SC329070 10 µg Ask for price

NKRF (untagged)-Human NFKB repressing factor (NKRF) transcript variant 1

SC329084 10 µg Ask for price

NKRF (untagged)-Human NFKB repressing factor (NKRF), transcript variant 2

SC114069 10 µg Ask for price

NKRF (untagged)-Human NFKB repressing factor (NKRF), transcript variant 2

SC318168 10 µg Ask for price

NFKB Repressing Factor (NKRF) Antibody Pair

abx117615-1pair5x96wellplates 1 pair (5x96 well plates)
EUR 1212

NKRF (NFkB Repressing Factor, NRF, ITBA4) (Biotin)

MBS6429149-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (Biotin)

MBS6429149-5x01mL 5x0.1mL
EUR 4120

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), PE

4-PAH536Hu01-PE
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with PE.

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), APC

4-PAH536Hu01-APC
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with APC.

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), Cy3

4-PAH536Hu01-Cy3
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with Cy3.

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), HRP

4-PAH536Hu01-HRP
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with HRP.

NKRF (GFP-tagged) - Human NFKB repressing factor (NKRF), transcript variant 3

RG230432 10 µg Ask for price

NKRF (GFP-tagged) - Human NFKB repressing factor (NKRF), transcript variant 1

RG230446 10 µg Ask for price

NKRF (GFP-tagged) - Human NFKB repressing factor (NKRF), transcript variant 2

RG208507 10 µg Ask for price

NFKB Repressing Factor (NKRF) Polyclonal Antibody

CAU21944-100ul 100ul
EUR 235.2

NFKB Repressing Factor (NKRF) Polyclonal Antibody

CAU21944-200ul 200ul
EUR 294

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), FITC

4-PAH536Hu01-FITC
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with FITC.

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 405)

MBS6429152-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 405)

MBS6429152-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 490)

MBS6429153-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 490)

MBS6429153-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 550)

MBS6429154-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 550)

MBS6429154-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 650)

MBS6429155-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 650)

MBS6429155-5x01mL 5x0.1mL
EUR 4120

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 750)

MBS6429156-01mL 0.1mL
EUR 950

NKRF (NFkB Repressing Factor, NRF, ITBA4) (MaxLight 750)

MBS6429156-5x01mL 5x0.1mL
EUR 4120

Human NFKB Repressing Factor (NKRF) Antibody Pair Kit (with Standard)

MBS2103852-10x96Tests 10x96Tests
EUR 1480

Human NFKB Repressing Factor (NKRF) Antibody Pair Kit (with Standard)

MBS2103852-10x96TestsMBS2090685AbPairsSupportPack110x96Tests 10x96Tests+MBS2090685(AbPairsSupportPack1,10x96Tests)
EUR 1600

Human NFKB Repressing Factor (NKRF) Antibody Pair Kit (with Standard)

MBS2103852-5x96Tests 5x96Tests
EUR 935

Human NFKB Repressing Factor (NKRF) Antibody Pair Kit (with Standard)

MBS2103852-5x96TestsMBS2090685AbPairsSupportPack15x96Tests 5x96Tests+MBS2090685(AbPairsSupportPack1,5x96Tests)
EUR 1010

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), Biotinylated

4-PAH536Hu01-Biotin
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with Biotin.

NFKB Repressing Factor (NKRF) Magnetic Luminex Assay Kit

LKU606837-96T 96T
EUR 966

Polyclonal Antibody to NFKB Repressing Factor (NKRF)

PAH536Hu01 100ul
EUR 245

Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2027042-01mL 0.1mL
EUR 175

Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2027042-02mL 0.2mL
EUR 220

Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2027042-05mL 0.5mL
EUR 355

Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2027042-1mL 1mL
EUR 435

Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2027042-5mL 5mL
EUR 1185

NKRF (Myc-DDK-tagged)-Human NFKB repressing factor (NKRF), transcript variant 2

RC208507 10 µg Ask for price

NKRF (Myc-DDK-tagged)-Human NFKB repressing factor (NKRF), transcript variant 3

RC230432 10 µg Ask for price

NKRF (Myc-DDK-tagged)-Human NFKB repressing factor (NKRF), transcript variant 1

RC230446 10 µg Ask for price

NFKB Repressing Factor (NKRF) Polyclonal Antibody (Human), APC-Cy7

4-PAH536Hu01-APC-Cy7
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • Ask for price
  • 100ul
  • 10ml
  • 1ml
  • 200ul
  • 20ul
Description: A Rabbit polyclonal antibody against Human NFKB Repressing Factor (NKRF). This antibody is labeled with APC-Cy7.

Lenti-ORF clone of NKRF (mGFP-tagged)-Human NFKB repressing factor (NKRF), transcript variant 3

RC230432L4 10 µg Ask for price

Lenti-ORF clone of NKRF (mGFP-tagged)-Human NFKB repressing factor (NKRF), transcript variant 1

RC230446L4 10 µg Ask for price

PE-Linked Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2079926-01mL 0.1mL
EUR 265

PE-Linked Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2079926-02mL 0.2mL
EUR 355

PE-Linked Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2079926-05mL 0.5mL
EUR 660

PE-Linked Polyclonal Antibody to NFKB Repressing Factor (NKRF)

MBS2079926-1mL 1mL
EUR 810

Human NKRF(NFKB Repressing Factor) ELISA Kit