Gold nanoprism/Tollens’ reagent sophisticated as plasmonic sensor in headspace single-drop microextraction for colorimetric detection of formaldehyde in meals samples using smartphone readout
On this work, an assay with extreme sensitivity and selectivity for the detection of formaldehyde (FA) is obtainable. The assay utilized a gold nanoprism/Tollens’ reagent (Au-np/TR) sophisticated as a result of the sensor utilized in headspace single-drop microextraction (HS-SDME).
A ground plasmon resonance signal enhancement along with shade change was attributable to the formation of Au@Ag-np after a redox response between FA and TR in the midst of the HS-SDME course of. With the utilization of smartphone nanocolorimetry (SNC), the FA is perhaps detected and quantified. For HS-SDME-SNC, a linearity calibration curve ranging from 0.1 to 100 μM was obtained, and the limit of detection was determined to be 30 nM. Worthwhile makes an try to seek out out FA had been demonstrated by analysis of the analyte in (adulterated) raw meals samples (octopus and hen flesh). Matrix outcomes from precise samples had been prevented by using HS-SDME, and solely a 3-μL droplet of solvent was wished inside the assay.
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Should the Bovine Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Bovine Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates or other biological fluids.
Should the Bovine Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Bovine Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates or other biological fluids.
Should the Canine Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Canine Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Should the Canine Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Canine Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Should the Human Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Human Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Should the Human Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Human Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Should the Porcine Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Porcine Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates or other biological fluids.
Should the Porcine Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Porcine Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates or other biological fluids.
Should the Rat Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Rat Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Should the Rat Leukemia Inhibitory Factor (LIF) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A sandwich quantitative ELISA assay kit for detection of Rat Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Description: The protein encoded by this gene is a pleiotropic cytokine with roles in several different systems. It is involved in the induction of hematopoietic differentiation in normal and myeloid leukemia cells, induction of neuronal cell differentiation, regulator of mesenchymal to epithelial conversion during kidney development, and may also have a role in immune tolerance at the maternal-fetal interface. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene.
Description: A polyclonal antibody against LIF. Recognizes LIF from Human, Mouse, Rat. This antibody is Unconjugated. Tested in the following application: ELISA, IHC;ELISA:1:1000-1:10000, IHC:1:25-1:100
Buffer: Liquid in PBS containing 50% glycerol, 0.5% BSA and 0.02% sodium azide. The antibody was affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogen.
Description: A polyclonal antibody against LIF. Recognizes LIF from Human. This antibody is Unconjugated. Tested in the following application: WB, ELISA;WB:1/500-1/2000.ELISA:1/20000
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Description: LIF Antibody: LIF is a pleiotropic cytokine with roles in several different systems. It is involved in the induction of hematopoietic differentiation in normal and myeloid leukemia cells, induction of neuronal cell differentiation, regulator of mesenchymal to epithelial conversion during kidney development, and may also have a role in immune tolerance at the maternal-fetal interface. LIF was initially recognized by its ability to induce terminal differentiation of myeloid leukemic cells. It is a member of the IL-6 cytokine superfamily and can be highly glycosylated. LIF signaling is transduced through the LIF-R/gp130 receptor complex, leading to the phosphorylation and activation of the JAK/STAT pathway. Recent evidence shows that LIF inhibits cardiomyogenesis in embryonic stem cells via STAT3 activation.
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Description: LIF Antibody: LIF is a pleiotropic cytokine with roles in several different systems. It is involved in the induction of hematopoietic differentiation in normal and myeloid leukemia cells, induction of neuronal cell differentiation, regulator of mesenchymal to epithelial conversion during kidney development, and may also have a role in immune tolerance at the maternal-fetal interface. LIF was initially recognized by its ability to induce terminal differentiation of myeloid leukemic cells. It is a member of the IL-6 cytokine superfamily and can be highly glycosylated. LIF signaling is transduced through the LIF-R/gp130 receptor complex, leading to the phosphorylation and activation of the JAK/STAT pathway. Recent evidence shows that LIF inhibits cardiomyogenesis in embryonic stem cells via STAT3 activation.
Description: Enzyme-linked immunosorbent assay kit for quantification of Mouse LIF in samples from serum, plasma, tissue homogenates and other biological fluids.
Description: Description of target: Leukemia inhibitory factor, or LIF, is an interleukin 6 class cytokine that affects cell growth by inhibiting differentiation. When LIF levels drop, the cells differentiate. The LIF was mapped gene to 22q11-q12.2 by Southern analysis of a series of mouse/human somatic cell hybrids and by in situ hybridization to the chromosomes of 2 normal males and some individuals with chromosomal rearrangements. The gene maps between the Philadelphia translocation BCR1 and the breakpoint of the translocation in cell line GM2324 at 22q12.2. LIF derives its name from its ability to induce the terminal differentiation of myeloid leukemic cells, thus preventing their continued growth. Other properties attributed to the cytokine include: the growth promotion and cell differentiation of different types of target cells, influence on bone metabolism, cachexia, neural development, embryogenesis and inflammation.;Species reactivity: Mouse;Application: ELISA;Assay info: ;Sensitivity: <10pg/ml
Description: Description of target: LIF has the capacity to induce terminal differentiation in leukemic cells. Its activities include the induction of hematopoietic differentiation in normal and myeloid leukemia cells, the induction of neuronal cell differentiation, and the stimulation of acute-phase protein synthesis in hepatocytes.;Species reactivity: Mouse;Application: ;Assay info: Assay Methodology: Quantitative Sandwich ELISA;Sensitivity: 0.039 ng/mL
Immunogen information: Synthesized peptide derived from the C-terminal region of human LIF
Applications tips:
Description: A polyclonal antibody for detection of LIF from Human. This LIF antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from the C-terminal region of human LIF
Immunogen information: Synthesized peptide derived from the C-terminal region of human LIF
Applications tips:
Description: A polyclonal antibody for detection of LIF from Human. This LIF antibody is for WB, IHC-P, ELISA. It is affinity-purified from rabbit antiserum by affinity-chromatography using epitope-specific immunogenand is unconjugated. The antibody is produced in rabbit by using as an immunogen synthesized peptide derived from the C-terminal region of human LIF
Genetically Encoded Quinone Methides Enabling Quick, Web page-specific, and Image-controlled Protein Modification with Amine Reagents
-carbon, affording the shortest linkage to protein backbone which is essential for superior analysis involving orientation and distance. We put in diversified functionalities onto proteins, and linked a spin label as shut as attainable to the protein backbone, reaching extreme choice in double electron-electron paramagnetic resonance distance measurements.
bSite-specific modification of proteins with purposeful molecules provides extremely efficient devices for researching and engineering proteins. Proper right here we report a model new chemical conjugation methodology which photocages extraordinarily reactive nonetheless chemically selective moieties, enabling the utilization of protein-inert amines for selective protein modification. New amino acids FnbY and FmnbY, bearing photocaged quinone methides (QMs), had been genetically built-in into proteins.
Upon light activation, they generated extraordinarily reactive QM, which shortly reacted with amine derivatives. This system encompasses a unusual combination of desired properties along with fast kinetics, small and regular linkage, compatibility with low temperature, photo-controllability, and broadly accessible reagents. Moreover, labeling by FnbY occurs on the
Impression of variation in reagent combos for one-stage clotting assay on assay discrepancy in nonsevere haemophilia A
Introduction: Problem VIII train (FVIII:C) is measured by one-stage clotting assay (OSA) or chromogenic substrate assay (CSA). Very important variations in FVIII:C between OSA (FVIII:C1st ) and CSA (FVIII:CChr ) are described as assay discrepancy in nonsevere haemophilia A (HA). Quite a few reagent combos (APTT reagent and FVIII-deficient plasma) are used for OSA, nonetheless the affect of variations in reagent combos on assay discrepancy has not been completely characterised.
Intention: To clarify the variations in FVIII:C1st /FVIII:CChr ratios in keeping with OSA reagent combination in HA subjects with/with out assay discrepancy.
Methods: Thirty-nine victims beforehand recognized with nonsevere HA had been enrolled, and their FVIII genes had been investigated and FVIII:C ranges had been assessed by a single CSA reagent and 11 OSA reagent combos. Receiver working attribute (ROC) curve analysis was used to predict attainable cut-off values of the FVIII:C1st /FVIII:CChr ratio to stipulate FVIII assay discrepancy for each reagent combination.
Outcomes: Victims had been categorized into nondiscrepant (n = 25), discrepant (n = 5) and unclassified (n = 9) groups in keeping with their genotypes and information inside the database. The FVIII:C1st /FVIII:CChr ratio in nondiscrepant HA varied broadly, counting on the APTT reagents and FVIII-deficient plasma used. The ratio in discrepant HA victims differed with respect to their genotype and the reagent combination used. ROC curve analyses revealed that cut-off values to distinguish the assay discrepancy differed counting on the reagents used, nonetheless revealed two novel genotype variants, p.Cys573Gly and p.Gly582Arg, associated to FVIII assay discrepancy
Exploring the conduct of the NFSI reagent as a nitrogen provide
The various natural actions of nitrogen-containing compounds make the event of the C-N bond of good significance. As N-fluorobenzenesulfonimide, one of many important plentiful chemical feedstock, has a twin behaviour, i.e. as an electrophilic fluorination and amidation provide, it attracts the attention of synthetic chemists for exploitation.
This consider comprehensively summarizes the quite a few progress of the surroundings pleasant and delicate amidation reactions, with an emphasis on approaches for the know-how of nitrogen-centered intermediates, related mechanisms and new synthetic chemistry methods that present alternate options to beat obstacles in pharmaceutical functions. On this angle, we deal with the developments inside the amidation response using NFSI so far decade. We deal with the present progress, challenges and future outcomes inside the area of amidation chemistry using commercially accessible NFSI.
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Description: IL-17 Antibody: Interleukin 17 (IL-17) is a family of pro-inflammatory cytokines produced by activated T cells and is thought to have a major role in the initiation and perpetuation of rheumatoid arthritis. IL-17 regulates the activities of NF-κB and mitogen-activated protein kinases such as ERK and JNK. In addition, IL-17 stimulates the expression of IL-6 and cyclooxygenase-2 and enhances the production of nitric oxide. IL-17-producing T helper cells (TH-17 cells) have been the subject of much attention due to the importance of IL-17 in the pathogenesis of autoimmune inflammation. Because of its role in autoimmune diseases, it is thought that targeting the production and action of IL-17 would be beneficial therapeutically in these diseases.
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Description: IL-17 Antibody: Interleukin 17 (IL-17) is a family of pro-inflammatory cytokines produced by activated T cells and is thought to have a major role in the initiation and perpetuation of rheumatoid arthritis. IL-17 regulates the activities of NF-κB and mitogen-activated protein kinases such as ERK and JNK. In addition, IL-17 stimulates the expression of IL-6 and cyclooxygenase-2 and enhances the production of nitric oxide. IL-17-producing T helper cells (TH-17 cells) have been the subject of much attention due to the importance of IL-17 in the pathogenesis of autoimmune inflammation. Because of its role in autoimmune diseases, it is thought that targeting the production and action of IL-17 would be beneficial therapeutically in these diseases.
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Description: IL-17 Antibody: Interleukin 17 (IL-17) is a family of pro-inflammatory cytokines produced by activated T cells and is thought to have a major role in the initiation and perpetuation of rheumatoid arthritis. IL-17 regulates the activities of NF-κB and mitogen-activated protein kinases such as ERK and JNK. In addition, IL-17 stimulates the expression of IL-6 and cyclooxygenase-2 and enhances the production of nitric oxide. IL-17-producing T helper cells (TH-17 cells) have been the subject of much attention due to the importance of IL-17 in the pathogenesis of autoimmune inflammation. Because of its role in autoimmune diseases, it is thought that targeting the production and action of IL-17 would be beneficial therapeutically in these diseases.
Optimal dilutions/concentrations should be determined by the end user. The information provided is a guideline for product use. This product is for research use only.
Description: IL-17 Antibody: Interleukin 17 (IL-17) is a family of pro-inflammatory cytokines produced by activated T cells and is thought to have a major role in the initiation and perpetuation of rheumatoid arthritis. IL-17 regulates the activities of NF-κB and mitogen-activated protein kinases such as ERK and JNK. In addition, IL-17 stimulates the expression of IL-6 and cyclooxygenase-2 and enhances the production of nitric oxide. IL-17-producing T helper cells (TH-17 cells) have been the subject of much attention due to the importance of IL-17 in the pathogenesis of autoimmune inflammation. Because of its role in autoimmune diseases, it is thought that targeting the production and action of IL-17 would be beneficial therapeutically in these diseases.
Description: Interleukin-17A Human Recombinant produced in E.Coli is a homodimeric, non-glycosylated polypeptide chain containing a total of 264 amino acids (2 chains of 132 aa) and having a molecular mass of 31kDa. ;The IL-17 is purified by proprietary chromatographic techniques.
Description: The originally described IL-17 protein, now known as IL-17A, is a homodimer of two 136 amino acid chains, secreted by activated T-cells that act on stromal cells to induce production of proinflammatory and hematopoietic bioactive molecules. Today, IL-17 represents a family of structurally-related cytokines that share a highly conserved C-terminal region but differ from one another in their N-terminal regions and in their distinct biological roles. The six known members of this family, IL-17A through IL-17F, are secreted as homodimers. IL-17A exhibits cross-species bioactivity between human and murine cells. Recombinant human IL-17A is a 31.3 kDa disulfide-linked homodimer of two 137 amino acid polypeptide chains.
Gentaur's IL-17 CLIA kit utilizes the Sandwich- CLIA principle. The micro CLIA plate provided in this kit has been pre-coated with an antibody specific to Human IL-17 . Standards or samples are added to the micro CLIA plate wells and combined with th
Gentaur's IL-17 ELISA kit utilizes the Sandwich-ELISA principle. The micro ELISA plate provided in this kit has been pre-coated with an antibody specific to Human IL-17. Standards or samples are added to the micro ELISA plate wells and combined with
Description: IL-17 Human Recombinant produced in HEK cells is a glycosylated homodimer, having a molecular weight range of 30-35kDa due to glycosylation.;The IL-17 is purified by proprietary chromatographic techniques.
Should the 17-Hydroxyprogesterone (17-OHP) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A competitive inhibition quantitative ELISA assay kit for detection of 17-Hydroxyprogesterone (17-OHP) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Should the 17-Hydroxyprogesterone (17-OHP) ELISA Kit is proven to show malperformance, you will receive a refund or a free replacement.
Description: A competitive inhibition quantitative ELISA assay kit for detection of 17-Hydroxyprogesterone (17-OHP) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Description: Interleukin-17 is a potent pro-inflammatory cytokine produced by activated memory T cells. There are at least six members of the IL-17 family in humans and in mice. As IL-17 shares properties with IL-1 and TNF-alpha, it may induce joint inflammation and bone and cartilage destruction. This cytokine is found in synovial fluids of patients with rheumatoid arthritis, and produced by rheumatoid arthritis synovium. It increases IL-6 production, induces collagen degradation and decreases collagen synthesis by synovium and cartilage and proteoglycan synthesis in cartilage. IL-17 is also able to increase bone destruction and reduce its formation. Blocking of interleukin-17 with specific inhibitors provides a protective inhibition of cartilage and bone degradation.
Description: Interleukin-17 is a potent pro-inflammatory cytokine produced by activated memory T cells. There are at least six members of the IL-17 family in humans and in mice. As IL-17 shares properties with IL-1 and TNF-alpha, it may induce joint inflammation and bone and cartilage destruction. This cytokine is found in synovial fluids of patients with rheumatoid arthritis, and produced by rheumatoid arthritis synovium. It increases IL-6 production, induces collagen degradation and decreases collagen synthesis by synovium and cartilage and proteoglycan synthesis in cartilage. IL-17 is also able to increase bone destruction and reduce its formation. Blocking of interleukin-17 with specific inhibitors provides a protective inhibition of cartilage and bone degradation.
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human IL-17 . This antibody is tested and proven to work in the following applications:
Description: A polyclonal antibody raised in Rabbit that recognizes and binds to Human IL-17 . This antibody is tested and proven to work in the following applications:
Description: Quantitativecompetitive ELISA kit for measuring Chicken Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativecompetitive ELISA kit for measuring Chicken Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Mouse Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates, cell culture supernates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Mouse Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates, cell culture supernates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Bovine Interleukin 17 (IL-17) in samples from serum, plasma, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Bovine Interleukin 17(IL-17) in samples from serum, plasma, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Canine Interleukin 17 (IL-17) in samples from serum, plasma, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Canine Interleukin 17(IL-17) in samples from serum, plasma, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Rat Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Rat Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Pig interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Pig interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
Description: Quantitativesandwich ELISA kit for measuring Rabbit Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. A new trial version of the kit, which allows you to test the kit in your application at a reasonable price.
Description: Quantitativesandwich ELISA kit for measuring Rabbit Interleukin 17, IL-17 in samples from serum, plasma, tissue homogenates. Now available in a cost efficient pack of 5 plates of 96 wells each, conveniently packed along with the other reagents in 5 separate kits.
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