Acid Phosphatase 5, Tartrate Resistant Antibodies

Supplier	Product		Quantity	Reactivity	Applications	Datasheet
Santa Cruz Biotechnology	sc-376875	More Data sc-376875 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[D-3] 200 ug Hu ELISA, IF, IP, WB	200 ug	Hu	ELISA, IF, IP, WB	More Data
Origene	TA326625	More Data TA326625 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo WB WB	100 ug	Hu, Mo	WB	More Data
United States Biological	122897	More Data 122897 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[122897] 100 ug Hu WB	100 ug	Hu	WB	More Data

View 139 Matching ELISA Kits from 13 suppliers

Acid Phosphatase 5, Tartrate Resistant antibodies

306 Acid Phosphatase 5, Tartrate Resistant antibodies from 24 antibody suppliers Click each Acid Phosphatase 5, Tartrate Resistant antibody that interests you to view the full Acid Phosphatase 5, Tartrate Resistant antibody datasheet.
View only Acid Phosphatase 5, Tartrate Resistant Monoclonal Antibodies or Acid Phosphatase 5, Tartrate Resistant Polyclonal Antibodies

Product		Quantity	Reactivity Filter	Applications Filter	Datasheet
Santa Cruz Biotechnology
sc-376875	More Data sc-376875 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[D-3] 200 ug Hu ELISA, IF, IP, WB	200 ug	Hu	ELISA, IF, IP, WB	More Data
Origene
TA326625	More Data TA326625 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo WB WB	100 ug	Hu, Mo	WB	More Data
TA346076	More Data TA346076 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 50 ug Hu WB WB	50 ug	Hu	WB	More Data
TA327373	More Data TA327373 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo, Rt WB WB	100 ug	Hu, Mo, Rt	WB	More Data
TA327934	More Data TA327934 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[9C5] 100 ug Hu, Mo, Rt WB WB	100 ug	Hu, Mo, Rt	WB	More Data
Show more from Origene
TA308289	More Data TA308289 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu, Mo WB WB	100 ul	Hu, Mo	WB	More Data
DM2019	More Data DM2019 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[Clone TRAP-01] 100 ug Hu	100 ug	Hu		More Data
TA355349	More Data TA355349 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2.60E+06] 1 ml Hu IHC-F	1 ml	Hu	IHC-F	More Data
TA363141	More Data TA363141 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Mo WB	100 ul	Mo	WB	More Data
United States Biological
122897	More Data 122897 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[122897] 100 ug Hu WB	100 ug	Hu	WB	More Data
122898	More Data 122898 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2D9] 100 ug Hu ELISA, WB	100 ug	Hu	ELISA, WB	More Data
31551	More Data 31551 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[31551] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
031551-PE	More Data 031551-PE Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[031551-PE] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
Show more from United States Biological
139033	More Data 139033 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[139033] 50 ug Rt AP, ELISA, IHC-F, IHC-P, WB	50 ug	Rt	AP, ELISA, IHC-F, IHC-P, WB	More Data
031551-Biotin	More Data 031551-Biotin Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[031551-Biotin] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
031551-HRP	More Data 031551-HRP Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[031551-HRP] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
031551-FITC	More Data 031551-FITC Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[031551-FITC] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
031551-AP	More Data 031551-AP Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[031551-AP] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
T8266-97	More Data T8266-97 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[5i360] 100 ug Hu ELISA	100 ug	Hu	ELISA	More Data
T8266-97B	More Data T8266-97B Sheep Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[T8266-97B] 50 ug Hu WB	50 ug	Hu	WB	More Data
T8266-95A	More Data T8266-95A Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[T8266-95A] 25 ug Hu, Mo, Rt IHC-F, IHC-P, WB	25 ug	Hu, Mo, Rt	IHC-F, IHC-P, WB	More Data
T8266-97A	More Data T8266-97A Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[6D810] 100 ug Hu ELISA	100 ug	Hu	ELISA	More Data
031551-APC	More Data 031551-APC Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[031551-APC] 200 ul Hu ELISA, WB	200 ul	Hu	ELISA, WB	More Data
122896	More Data 122896 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[122896] 50 ug Hu WB	50 ug	Hu	WB	More Data
T8170-24	More Data T8170-24 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[8B47] 100 ug Hu ELISA, WB	100 ug	Hu	ELISA, WB	More Data
T8266-97C	More Data T8266-97C Sheep Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[T8266-97C] 100 ug Hu ChIP, IP, WB	100 ug	Hu	ChIP, IP, WB	More Data
T8266-98	More Data T8266-98 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[6A203 (ZY-9C5)] 1 ml Hu IHC-F, IHC-P	1 ml	Hu	IHC-F, IHC-P	More Data
209361-Biotin	More Data 209361-Biotin Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal, Biotin 100 ul Hu, Mo, Rt AP, IF, IHC-F, IHC-P, WB	100 ul	Hu, Mo, Rt	AP, IF, IHC-F, IHC-P, WB	More Data
122898-PE	More Data 122898-PE Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2D9] 100 ul Hu AP, ELISA, WB	100 ul	Hu	AP, ELISA, WB	More Data
031551-ML650	More Data 031551-ML650 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122897-Biotin	More Data 122897-Biotin Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122898-AP	More Data 122898-AP Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2D9] 100 ul Hu AP, ELISA, WB	100 ul	Hu	AP, ELISA, WB	More Data
122897-HRP	More Data 122897-HRP Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122898-FITC	More Data 122898-FITC Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2D9] 100 ul Hu AP, ELISA, WB	100 ul	Hu	AP, ELISA, WB	More Data
031551	More Data 031551 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 200 ul Hu AP, ELISA, WB	200 ul	Hu	AP, ELISA, WB	More Data
031551-ML750	More Data 031551-ML750 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122897-AP	More Data 122897-AP Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
031551-ML550	More Data 031551-ML550 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122898-HRP	More Data 122898-HRP Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2D9] 100 ul Hu AP, ELISA, WB	100 ul	Hu	AP, ELISA, WB	More Data
122898-Biotin	More Data 122898-Biotin Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[2D9] 100 ul Hu AP, ELISA, WB	100 ul	Hu	AP, ELISA, WB	More Data
209361-FITC	More Data 209361-FITC Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal, FITC 100 ul Hu, Mo, Rt AP, IF, IHC-F, IHC-P, WB	100 ul	Hu, Mo, Rt	AP, IF, IHC-F, IHC-P, WB	More Data
031551-ML490	More Data 031551-ML490 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122897-FITC	More Data 122897-FITC Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
031551-ML405	More Data 031551-ML405 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
122897-PE	More Data 122897-PE Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu AP, WB	100 ul	Hu	AP, WB	More Data
FineTest
FNab00100	More Data FNab00100 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo, Rt ELISA, IF, IHC-F, IHC-P, WB IF IHC-F IHC-P WB	100 ug	Hu, Mo, Rt	ELISA, IF, IHC-F, IHC-P, WB	More Data
Aeonian Biotech
AE00100	More Data AE00100 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[rACP5/1070] 100 ug Hu FACS, ICC, IHC-F, IHC-P, WB IHC-F IHC-P	100 ug	Hu	FACS, ICC, IHC-F, IHC-P, WB	More Data
Sino Biological
10550-T08	More Data 10550-T08 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 200 ul Hu IHC-F, IHC-P IHC-F IHC-P	200 ul	Hu	IHC-F, IHC-P	More Data
100741-T32	More Data 100741-T32 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 200 ul Hu WB WB	200 ul	Hu	WB	More Data
10550-T16	More Data 10550-T16 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 200 ul Hu ELISA	200 ul	Hu	ELISA	More Data
Atlas Antibodies
HPA059463	More Data HPA059463 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu IHC-F, IHC-P IHC-F IHC-P	100 ul	Hu	IHC-F, IHC-P	More Data
HPA057655	More Data HPA057655 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu IHC-F, IHC-P IHC-F IHC-P	100 ul	Hu	IHC-F, IHC-P	More Data
MyBioSource
MBS438727	More Data MBS438727 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[ACP5/1070] 1 Vial Hu, Mo, Rt FACS, IF, IHC-F, IHC-P IHC-F IHC-P	1 Vial	Hu, Mo, Rt	FACS, IF, IHC-F, IHC-P	More Data
MBS129363	More Data MBS129363 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 50 ug Hu, Mo, Rt IF, IHC-F, IHC-P, WB WB	50 ug	Hu, Mo, Rt	IF, IHC-F, IHC-P, WB	More Data
MBS150519	More Data MBS150519 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo ELISA, IF, WB WB	100 ug	Hu, Mo	ELISA, IF, WB	More Data
MBS2026978	More Data MBS2026978 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu ELISA, ICC, IHC-F, IHC-P, WB WB	100 ug	Hu	ELISA, ICC, IHC-F, IHC-P, WB	More Data
Show more from MyBioSource
MBS8501346	More Data MBS8501346 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo, Rt IHC-F, IHC-P, WB	100 ug	Hu, Mo, Rt	IHC-F, IHC-P, WB	More Data
MBS370110	More Data MBS370110 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[9C5] 3 ml	3 ml			More Data
MBS9405378	More Data MBS9405378 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu, Mo, Rt	100 ul	Hu, Mo, Rt		More Data
MBS8527823	More Data MBS8527823 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[7E6A11] 100 ul	100 ul			More Data
MBS8539059	More Data MBS8539059 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[7E6A11] 100 ul Hu	100 ul	Hu		More Data
MBS9607642	More Data MBS9607642 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Hu, Mo, Rt	100 ul	Hu, Mo, Rt		More Data
MBS9140808	More Data MBS9140808 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ul Mo	100 ul	Mo		More Data
MBS2005063	More Data MBS2005063 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 10 ug	10 ug			More Data
MBS4380160	More Data MBS4380160 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[ACP5/2336R] 20 ug Hu, Mo	20 ug	Hu, Mo		More Data
MBS2026523	More Data MBS2026523 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 10 ug Mo	10 ug	Mo		More Data
Proteintech Group
11594-1-AP	More Data 11594-1-AP Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 150 ul Hu, Mo, Rt ELISA, IHC-F, IHC-P, WB IHC-F IHC-P WB	150 ul	Hu, Mo, Rt	ELISA, IHC-F, IHC-P, WB	More Data
Abbexa
abx224008	More Data abx224008 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[abx224008] 100 ug Hu ELISA, ELISA ELISA ELISA	100 ug	Hu	ELISA, ELISA	More Data
abx015760	More Data abx015760 Mouse Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Monoclonal[abx015760] 100 ug Hu ELISA, FACS, WB ELISA WB	100 ug	Hu	ELISA, FACS, WB	More Data
abx001968	More Data abx001968 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo, Rt ICC, IF, IHC-F, IHC-P, WB WB	100 ug	Hu, Mo, Rt	ICC, IF, IHC-F, IHC-P, WB	More Data
abx225005	More Data abx225005 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 50 ul Hu, Mo, Rt ICC, IF, WB WB	50 ul	Hu, Mo, Rt	ICC, IF, WB	More Data
Show more from Abbexa
abx031341	More Data abx031341 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 400 ul Hu WB WB	400 ul	Hu	WB	More Data
abx103985	More Data abx103985 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 10 ug Rt ELISA, ICC, IF, IHC-F, IHC-P, WB	10 ug	Rt	ELISA, ICC, IF, IHC-F, IHC-P, WB	More Data
abx103984	More Data abx103984 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 10 ug Mo ELISA, ICC, IF, IHC-F, IHC-P, WB	10 ug	Mo	ELISA, ICC, IF, IHC-F, IHC-P, WB	More Data
abx130001	More Data abx130001 Guinea Pig Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Rb ELISA, ICC, IF, IHC-F, IHC-P, WB	100 ug	Rb	ELISA, ICC, IF, IHC-F, IHC-P, WB	More Data
abx128549	More Data abx128549 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 10 ug Hu ELISA, ICC, IF, IHC-F, IHC-P, WB	10 ug	Hu	ELISA, ICC, IF, IHC-F, IHC-P, WB	More Data
abx219119	More Data abx219119 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 100 ug Hu, Mo, Rt IHC-F, IHC-P, WB	100 ug	Hu, Mo, Rt	IHC-F, IHC-P, WB	More Data
abx110752	More Data abx110752 Rabbit Anti-Acid Phosphatase 5, Tartrate Resistant antibody, Polyclonal 50 ul Hu, Mo, Rt ELISA, IHC-F, IHC-P	50 ul	Hu, Mo, Rt	ELISA, IHC-F, IHC-P	More Data

Related antibodies

Acid Phosphatase 5, Tartrate Resistant antibodies are often published with	Associated citations
CD40 Ligand	54.2%
Tudor Domain Containing 7	51.8%
SCY1 Like Pseudokinase 1	18.1%
TNF Receptor Associated Protein 1	7.2%
Transforming Growth Factor Beta Receptor Associated Protein 1	4.8%
Ghrelin O-acyltransferase	3.6%
TNF Receptor Superfamily Member 11b	3.6%
IL-6	3.6%
Paired Box 7	2.4%
Secreted Phosphoprotein 1	2.4%

ELISA Kits

139 Acid Phosphatase 5, Tartrate Resistant ELISA Kits from 13 suppliers

Bac	Bacteria
Bt	Bat
Bv	Bovine
Cel	C.Elegans
Cml	Camel
Cn	Canine
chem	Chemical
Ch	Chicken
Dk	Donkey
Dr	Drosophila
Du	Duck
Eq	Equine
Eu	Eukaryotes
Fe	Feline
Fi	Fish
Fr	Frog
Fu	Fungus
Gt	Goat
Gf	Goldfish
GP	Guinea Pig
Ha	Hamster
Hu	Human
Inv	Invertebrates
Llm	Llama
Mam	Mammals
Mo	Mouse
Pl	Plant
Po	Porcine
Pr	Primate
Pro	Prokaryotes
Rb	Rabbit
Rt	Rat
Sh	Sheep
Sq	Squirrel
Vert	Vertebrates
Vi	Virus
Xe	Xenopus
Yt	Yeast
Zf	Zebrafish

AP	Affinity purification
Bl	Blocking
ChIP	Chromatin Immunoprecipitation
DB	Dot Blot
EMSA	Electron Microscopy
ELISA	Enzyme Linked Immunosorbent Assay
FACS	Flow Cytometry
FA	Functional Assay
GS	Gel Shift
ICC	Immunocytochemistry
ID	Immunodiffusion
IF	Immunofluorescence
IHC-F	Immunohistochemistry frozen
IHC-P	Immunohistochemistry paraffin
IP	Immunoprecipitation
IVT	In vivo targeting
Neu	Neutralising
Pep-ELISA	Peptide ELISA
PLA	Proximity Ligation Assay
RIA	Radioimmunoassay
WB	Western Blot

Protein Map Explorer

306 matching Acid Phosphatase 5, Tartrate Resistant antibodies from 24 suppliers

Top Acid Phosphatase 5, Tartrate Resistant Antibodies

Santa Cruz Biotechnology

Origene

United States Biological

Acid Phosphatase 5, Tartrate Resistant information

Aliases

12 Applications, 15 Species currently selected

Acid Phosphatase 5, Tartrate Resistant antibodies

Santa Cruz Biotechnology

Origene

United States Biological

FineTest

Aeonian Biotech

Sino Biological

Atlas Antibodies

MyBioSource

Proteintech Group

Abbexa

Related antibodies

ELISA Kits

All None	30	44	18	15	8	7	6
	IHC-P	WB	IHC-F	IF	ELISA	FACS	ICC	AP	IP	Pep-ELISA	RIA	ChIP
Human	161	124	92	74	63	51	40	19	6	4	1	1
Mouse	127	56	72	65	17	42	32	3	1	4
Rat	124	42	68	60	17	44	29	4	1	4
Guinea Pig	2	7		1	2		1
Bacteria	7	2	1	7		4
Bovine		6		1			1
Sheep		6
Canine		6		1			1
Equine		5		1			1
Hamster		4
Primate		4		1			1
Bat		4
Rabbit	2	2	2	3	1		2
Zebrafish		2
Porcine		1