Human Elisa

Human Acetylcholinesterase, AChE ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures,...

Human A Disintegrin And Metalloprotease 12, ADAM12 ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in...

Human 8-Hydroxydeoxyguanosine (8-OHdG) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic...

Human 5-Hydroxytryptamine, 5HT ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures, drug...

Human 5-hydroxyeicosatetraenoic acid (5-HETE) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic...

Human 2, 3-Diphosphoglycerate, 2, 3-DPG ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic...

Human 17-Hydroxyprogesterone, 17-OHP ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic...

Human 14-3-3 protein beta/alpha (YWHAB) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic...

Human 1, 25-dihydroxyvitamin D3 (DVD/DHVD3) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic...

Human Thrombin activatable fibrinolysis inhibitor, TAFI ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in...

Human Soluble protein-100B, S-100B ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures,...

Human chemerin ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures, drug use, or for...

Human Bromodomain Containing Protein 9 (BRD9) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Bromodomain Containing Protein 9 (BRD9). Cross Activity: This...

Human Mab21 Domain Containing Protein 1 (MB21D1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mab21 Domain Containing Protein 1 (MB21D1). Cross Activity:...

Human Coiled Coil Domain Containing Protein 99 (CCDC99) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Coiled Coil Domain Containing Protein 99 (CCDC99)...

Human Sphingomyelin Phosphodiesterase, Acid Like 3B (SMPDL3B) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Sphingomyelin Phosphodiesterase, Acid Like 3B...

Human RAB, Member Of RAS Oncogene Family Like Protein 3 (RABL3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of RAB, Member Of RAS Oncogene Family Like...

Human Glucose Fructose Oxidoreductase Domain Containing Protein 1 (GFOD1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Glucose Fructose Oxidoreductase...

Human Raft Linking Protein (Raftlin) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Raft Linking Protein (Raftlin). Cross Activity: This assay has high...

Human Thymocyte Expressed Molecule Involved In Selection (THEMIS) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Thymocyte Expressed Molecule Involved In...

Human Cytoskeleton Associated Protein 4 (CKAP4) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Cytoskeleton Associated Protein 4 (CKAP4). Cross Activity:...

Human Keratin 23 (KRT23) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Keratin 23 (KRT23). Cross Activity: This assay has high sensitivity and excellent...

Human Mitotic Arrest Deficient 1 Like Protein 1 (MAD1L1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mitotic Arrest Deficient 1 Like Protein 1 (MAD1L1)...

Human Ribosomal Protein L36A Like Protein (RPL36AL) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Ribosomal Protein L36A Like Protein (RPL36AL). Cross...

Human Never In Mitosis Gene A Related Kinase 7 (NEK7) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Never In Mitosis Gene A Related Kinase 7 (NEK7). Cross...

Human PR Domain Containing Protein 16 (PRDM16) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of PR Domain Containing Protein 16 (PRDM16). Cross Activity:...

Human Wingless Type MMTV Integration Site Family, Member 16 (WNT16) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Wingless Type MMTV Integration Site...

Human Vesicle Amine Transport Protein 1 (VAT1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Vesicle Amine Transport Protein 1 (VAT1). Cross Activity:...

Human Transmembrane Protein 106B (TMEM106B) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Transmembrane Protein 106B (TMEM106B). Cross Activity: This...

Human RUN Domain And Cysteine Rich Domain Containing, Beclin 1 Interacting Protein (Rubicon) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of RUN Domain And...

Human Trichorhinophalangeal Syndrome Protein I (TRPS1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Trichorhinophalangeal Syndrome Protein I (TRPS1)...

Human Survival Motor Neuron Domain Containing Protein 1 (SMNDC1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Survival Motor Neuron Domain Containing...

Human Sialyltransferase 1 (SIAT1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Sialyltransferase 1 (SIAT1). Cross Activity: This assay has high...

Human Sialyltransferase 10 (SIAT10) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Sialyltransferase 10 (SIAT10). Cross Activity: This assay has high...

Human Pygopus Homolog 2 (PYGO2) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Pygopus Homolog 2 (PYGO2). Cross Activity: This assay has high sensitivity...

Human Oxidative Stress Responsive 1 (OXSR1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Oxidative Stress Responsive 1 (OXSR1). Cross Activity: This...

Human Family With Sequence Similarity 3, Member C (FAM3C) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Family With Sequence Similarity 3, Member C...

Human DNA Methyltransferase 3 Like Protein (DNMT3L) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of DNA Methyltransferase 3 Like Protein (DNMT3L). Cross...

Human Basic Leucine Zipper And W2 Domain Containing Protein 1 (BZW1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Basic Leucine Zipper And W2 Domain...

Human Apolipoprotein B mRNA Editing Enzyme Catalytic Polypeptide 3B (APOBEC3B) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Apolipoprotein B mRNA Editing...

Human Niemann Pick Disease Type C1 (NPC1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Niemann Pick Disease Type C1 (NPC1). Cross Activity: This assay...

Mini Samples Human Alpha-1-Antitrypsin (a1AT) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Alpha-1-Antitrypsin (a1AT). Cross Activity: This...

Mini Samples Human Neuropeptide Y (NPY) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Neuropeptide Y (NPY). Cross Activity: This assay has...

Mini Samples Human Galectin 3 (GAL3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Galectin 3 (GAL3). Cross Activity: This assay has high...

Mini Samples Human Thrombopoietin (TPO) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Thrombopoietin (TPO). Cross Activity: This assay has...

Mini Samples Human Interleukin 3 (IL3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Interleukin 3 (IL3). Cross Activity: This assay has high...

Instant Human Pepsin (PP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Instant Pepsin (PP). Cross Activity: This assay has high sensitivity and excellent...

High-sensitive Human Leucyl/Cystinyl Aminopeptidase (LNPEP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Leucyl/Cystinyl Aminopeptidase...

High-sensitive Human Integrin Alpha 10 (ITGa10) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Integrin Alpha 10 (ITGa10). Cross Activity:...

High-sensitive Human Prion Protein (PRNP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Prion Protein (PRNP). Cross Activity: This assay...

Human COMM Domain Containing Protein 5 (COMMD5) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of COMM Domain Containing Protein 5 (COMMD5). Cross Activity:...

Human Wingless Type MMTV Integration Site Family, Member 5A (WNT5A) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection...

Human WD Repeat And SOCS Box Containing Protein 1 (WSB1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of WD Repeat And SOCS Box Containing Protein 1 (WSB1)...

Human Vestigial Like Protein 1 (VGLL1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Vestigial Like Protein 1 (VGLL1). Cross Activity: This assay has high...

Human Tumor Protein p53 Inducible Protein 3 (TP53I3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Tumor Protein p53 Inducible Protein 3 (TP53I3). Cross...

Human Translocase Of Inner Mitochondrial Membrane 8A (TIMM8A) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Translocase Of Inner Mitochondrial Membrane 8A...

Human Thioredoxin Related Protein 14kDa (TRP14) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Thioredoxin Related Protein 14kDa (TRP14). Cross Activity:...

Human Tetratricopeptide Repeat Domain Protein 39B (TTC39B) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Tetratricopeptide Repeat Domain Protein 39B...

Human Testis Expressed Protein 101 (TEX101) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Testis Expressed Protein 101 (TEX101). Cross Activity: This...

Human Synaptotagmin XVII (SYT17) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Synaptotagmin XVII (SYT17). Cross Activity: This assay has high sensitivity...

Human Surfactant Associated Protein A3 (SPA3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Surfactant Associated Protein A3 (SPA3). Cross Activity: This...

Human Steroid 5 Alpha Reductase 1 (SRD5a1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human SPARC Related Modular Calcium Binding Protein 1 (SMOC1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of SPARC Related Modular Calcium Binding Protein...

Human Semaphorin 5B (SEMA5B) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Semaphorin 5B (SEMA5B). Cross Activity: This assay has high sensitivity and...

Human Secreted And Transmembrane Protein 1 (SECTM1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Human SEC24 Family, Member C (SEC24C) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of SEC24 Family, Member C (SEC24C). Cross Activity: This assay has high...

Human RIO Kinase 3 (RIOK3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of RIO Kinase 3 (RIOK3). Cross Activity: This assay has high sensitivity and...

Human Ribosomal Protein S19 (RPS19) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Ribosomal Protein S19 (RPS19). Cross Activity: This assay has high...

Human Rho Related BTB Domain Containing Protein 3 (RHOBTB3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Rho Related BTB Domain Containing Protein 3...

Human RAB27B, Member RAS Oncogene Family (RAB27B) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of RAB27B, Member RAS Oncogene Family (RAB27B). Cross...

Human Phosphoglycerate Mutase 5 (PGAM5) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Phosphoglycerate Mutase 5 (PGAM5). Cross Activity: This assay has...

Human NLR Family, Pyrin Domain Containing Protein 7 (NLRP7) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of NLR Family, Pyrin Domain Containing Protein 7...

Human Mucin (MUC) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mucin (MUC). Cross Activity: This assay has high sensitivity and excellent specificity for...

Human MT-RNR2 Like Protein 1 (MTRNR2L1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of MT-RNR2 Like Protein 1 (MTRNR2L1). Cross Activity: This assay has...

Human Mixed Lineage Kinase Domain Like Protein (MLKL) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Human Mitochondrial Ribosomal Protein L53 (MRPL53) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mitochondrial Ribosomal Protein L53 (MRPL53). Cross...

Human Mitochondrial Ribosomal Protein L18 (MRPL18) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mitochondrial Ribosomal Protein L18 (MRPL18). Cross...

Mini Samples Human V-Rel Reticuloendotheliosis Viral Oncogene Homolog A (RELA) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples V-Rel...

Mini Samples Human Suppressors Of Cytokine Signaling 3 (SOCS3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Suppressors Of Cytokine...

Mini Samples Human Mesencephalic Astrocyte Derived Neurotrophic Factor (MANF) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Mesencephalic...

Mini Samples Human Cyclin Dependent Kinase Inhibitor 2A (CDKN2A) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Cyclin Dependent Kinase...

Mini Samples Human Cerebral Dopamine Neurotrophic Factor (CDNF) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Cerebral Dopamine Neurotrophic...

Mini Samples Human Caspase 9 (CASP9) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Mini Samples Caspase 9 (CASP9). Cross Activity: This assay has high...

Human Migration And Invasion Enhancer 1 (MIEN1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Migration And Invasion Enhancer 1 (MIEN1). Cross Activity:...

Human Leucine Rich Repeat Containing Protein 15 (LRRC15) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Leucine Rich Repeat Containing Protein 15 (LRRC15)...

Human Late Cornified Envelope Protein 1A (LCE1A) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Late Cornified Envelope Protein 1A (LCE1A). Cross Activity:...

Human Isthmin 1 (ISM1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Isthmin 1 (ISM1). Cross Activity: This assay has high sensitivity and excellent...

Human IQ Motif Containing GTPase Activating Protein 3 (IQGAP3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of IQ Motif Containing GTPase Activating Protein...

Human Interferon Induced Protein 44 (IFI44) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Interferon Induced Protein 44 (IFI44). Cross Activity: This...

Instant Human Integrin Beta 1 (ITGb1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Instant Integrin Beta 1 (ITGb1). Cross Activity: This assay has high...

Instant Human High Mobility Group Protein 1 (HMGB1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Instant High Mobility Group Protein 1 (HMGB1). Cross...

Human Inner Mitochondrial Membrane Peptidase 2 Like Protein (IMMP2L) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Inner Mitochondrial Membrane Peptidase...

Human Histone Cluster 1, H4a (HIST1H4A) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Histone Cluster 1, H4a (HIST1H4A). Cross Activity: This assay has...

High-sensitive Human Wingless Type MMTV Integration Site Family, Member 3A (WNT3A) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Wingless...

High-sensitive Human Vascular Endothelial Growth Factor Receptor 3 (VEGFR3) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Vascular...

High-sensitive Human Vascular Endothelial Growth Factor Receptor 2 (VEGFR2) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Vascular...

High-sensitive Human Urocortin 2 (UCN2) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Urocortin 2 (UCN2). Cross Activity: This assay has...

High-sensitive Human Ubiquitin Carboxyl Terminal Hydrolase L1 (UCHL1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Ubiquitin Carboxyl...

High-sensitive Human Transglutaminase 2 (TGM2) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of High Sensitive Transglutaminase 2 (TGM2). Cross Activity:...