Gold nanoprism/Tollens’ reagent complicated as plasmonic sensor in headspace single-drop microextraction for colorimetric detection of formaldehyde in meals samples utilizing smartphone readout
On this work, an assay with excessive sensitivity and selectivity for the detection of formaldehyde (FA) is introduced. The assay utilized a gold nanoprism/Tollens’ reagent (Au-np/TR) complicated because the sensor utilized in headspace single-drop microextraction (HS-SDME). A floor plasmon resonance sign enhancement in addition to colour change was attributable to the formation of Au@Ag-np after a redox response between FA and TR through the HS-SDME course of.
With the utilization of smartphone nanocolorimetry (SNC), the FA may very well be detected and quantified. For HS-SDME-SNC, a linearity calibration curve ranging from 0.1 to 100 μM was obtained, and the restrict of detection was decided to be 30 nM. Profitable makes an attempt to find out FA have been demonstrated by evaluation of the analyte in (adulterated) uncooked meals samples (octopus and rooster flesh). Matrix results from actual samples have been prevented through the use of HS-SDME, and solely a 3-μL droplet of solvent was wanted within the assay.
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: 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
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: 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: 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: 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
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
Description: 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.
Description: 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.
Description: LIF is a pleiotropic cytokine produced at the maternal-fetal interface which has been shown to play an essential role in implantation in mice. It is produced in high amounts by the human endometrium and the trophoblast itself, and its receptors are present on cytotrophoblast cells. LIF could thus play a role in modulating HLA-G production and immune tolerance at the maternal-fetal interface. The gene maps to 22q11-q12.2, between the Philadelphia translocation BCR gene and the breakpoint of the translocation in cell line GM2324 at 22q12.2.
Description: LIF is a pleiotropic cytokine produced at the maternal-fetal interface which has been shown to play an essential role in implantation in mice. This gene is mapped to 22q11-q12.2, between the Philadelphia translocation BCR gene and the breakpoint of the translocation in cell line GM2324 at 22q12.2. LIF is produced in high amounts by the human endometrium and the trophoblast itself, and LIF receptors are present on cytotrophoblast cells. It could, thus, play a role in modulating HLA-G production and immune tolerance at the maternal-fetal interface.
Description: Quantitativesandwich ELISA kit for measuring Mouse Leukemia inhibitory factor, LIF 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 Mouse Leukemia inhibitory factor, LIF 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: A sandwich quantitative ELISA assay kit for detection of Mouse Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Description: A sandwich quantitative ELISA assay kit for detection of Mouse Leukemia Inhibitory Factor (LIF) in samples from serum, plasma, tissue homogenates, cell lysates, cell culture supernates or other biological fluids.
Description: A sandwich CLIA kit for quantitative measurement of Mouse LIF (Leukemia Inhibitory Factor) in samples from Serum, Plasma, Cell supernatant
ELISA kit for Mouse LIF (Leukemia Inhibitory Factor)
Description: A sandwich ELISA kit for quantitative measurement of Mouse LIF (Leukemia Inhibitory Factor) in samples from Serum, Plasma, Cell supernatant
LIF Leukemia Inhibitory Factor Mouse Recombinant Protein
Description: Leukemia Inhibitory Factor (LIF) Murine Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain containing 181 amino acids and having a molecular mass of 20 kDa. ;The Leukemia Inhibitory Factor (LIF) is purified by proprietary chromatographic techniques.
Genetically Encoded Quinone Methides Enabling Fast, Web site-specific, and Photograph-controlled Protein Modification with Amine Reagents
-carbon, affording the shortest linkage to protein spine which is important for superior research involving orientation and distance. We put in numerous functionalities onto proteins, and connected a spin label as shut as doable to the protein spine, reaching excessive decision in double electron-electron paramagnetic resonance distance measurements.
bSite-specific modification of proteins with useful molecules gives highly effective instruments for researching and engineering proteins. Right here we report a brand new chemical conjugation technique which photocages extremely reactive however chemically selective moieties, enabling using protein-inert amines for selective protein modification. New amino acids FnbY and FmnbY, bearing photocaged quinone methides (QMs), have been genetically integrated into proteins.
Upon mild activation, they generated extremely reactive QM, which quickly reacted with amine derivatives. This technique incorporates a uncommon mixture of desired properties together with quick kinetics, small and steady linkage, compatibility with low temperature, photo-controllability, and broadly accessible reagents. Furthermore, labeling by way of FnbY happens on the
Impression of variation in reagent mixtures for one-stage clotting assay on assay discrepancy in nonsevere haemophilia A
Introduction: Issue VIII exercise (FVIII:C) is measured by one-stage clotting assay (OSA) or chromogenic substrate assay (CSA). Vital variations in FVIII:C between OSA (FVIII:C1st ) and CSA (FVIII:CChr ) are described as assay discrepancy in nonsevere haemophilia A (HA).
A lot of reagent mixtures (APTT reagent and FVIII-deficient plasma) are used for OSA, however the impression of variations in reagent mixtures on assay discrepancy has not been absolutely characterised.
Goal: To make clear the variations in FVIII:C1st /FVIII:CChr ratios based on OSA reagent mixture in HA topics with/with out assay discrepancy.
Strategies: Thirty-nine sufferers beforehand identified with nonsevere HA have been enrolled, and their FVIII genes have been investigated and FVIII:C ranges have been assessed by a single CSA reagent and 11 OSA reagent mixtures.
Receiver working attribute (ROC) curve evaluation was used to foretell doable cut-off values of the FVIII:C1st /FVIII:CChr ratio to outline FVIII assay discrepancy for every reagent mixture.
Outcomes: Sufferers have been categorized into nondiscrepant (n = 25), discrepant (n = 5) and unclassified (n = 9) teams based on their genotypes and data within the database.
The FVIII:C1st /FVIII:CChr ratio in nondiscrepant HA various broadly, relying on the APTT reagents and FVIII-deficient plasma used. The ratio in discrepant HA sufferers differed with respect to their genotype and the reagent mixture used.
ROC curve analyses revealed that cut-off values to tell apart the assay discrepancy differed relying on the reagents used, however revealed two novel genotype variants, p.Cys573Gly and p.Gly582Arg, related to FVIII assay discrepancy
Exploring the habits of the NFSI reagent as a nitrogen supply
The varied organic actions of nitrogen-containing compounds make the development of the C-N bond of nice significance. As N-fluorobenzenesulfonimide, one of the ample chemical feedstock, has a twin behaviour, i.e. as an electrophilic fluorination and amidation supply, it attracts the eye of artificial chemists for exploitation.
This assessment comprehensively summarizes the numerous progress of the environment friendly and gentle amidation reactions, with an emphasis on approaches for the era of nitrogen-centered intermediates, associated mechanisms and new artificial chemistry strategies that supply alternatives to beat obstacles in pharmaceutical purposes.
On this perspective, we focus on the developments within the amidation response utilizing NFSI prior to now decade. We focus on the latest progress, challenges and future outcomes within the space of amidation chemistry utilizing commercially accessible NFSI.
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.
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: 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: 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: 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: The protein encoded by this gene is a proinflammatory cytokine produced by activated T cells. This cytokine regulates the activities of NF-kappaB and mitogen-activated protein kinases. This cytokine can stimulate the expression of IL6 and cyclooxygenase-2 (PTGS2/COX-2), as well as enhance the production of nitric oxide (NO). High levels of this cytokine are associated with several chronic inflammatory diseases including rheumatoid arthritis, psoriasis and multiple sclerosis.
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.
Description: Quantitative sandwich ELISA for measuring Human IL-17 in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Description: Quantitative sandwich ELISA for measuring Human IL-17 in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Description: Quantitative sandwich ELISA for measuring Human IL-17 in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Description: Interleukin-17A Human Recombinant produced in E.Coli is a single, non-glycosylated, Polypeptide chain containing 132 amino acids fragment (24-155) having a molecular weight of 19.62kDa and fused with a 4.5kDa amino-terminal hexahistidine tag. ;The IL-17A His is purified by proprietary chromatographic techniques.
Description: Quantitativesandwich ELISA kit for measuring Human Interleukin 17A (IL-17A/IL-17) in samples from serum, urine, cell culture supernates, 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 Human Interleukin 17A (IL-17A/IL-17) in samples from serum, urine, cell culture supernates, 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: 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: 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: 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 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.
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 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: Interleukin-17A Rat Recombinant produced in E.Coli is a homodimeric, non-glycosylated polypeptide chain having a molecular mass of 30 kDa. ;The IL-17A Rat is purified by proprietary chromatographic techniques.
Description: Interleukin-17 Murine Recombinant produced in E.Coli is a homodimeric, non-glycosylated polypeptide chain containing a total of 268 (2x134 a.a.) amino acids and having a molecular mass of 30 kDa. ; The IL-17 is purified by proprietary chromatographic techniques.
Description: The originally described IL-17 protein, now known as IL-17A, is a disulfide linked homodimer, 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 murine IL-17A is a 30.0 kDa disulfide-linked homodimer of two 133 amino acid polypeptide chains.
Human IL-17RA (Interleukin 17 receptor A) ELISA Kit
Description: Quantitativesandwich ELISA kit for measuring Guinea 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 Guinea 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: Quantitative sandwich ELISA for measuring Rat Interleukin 17 (IL-17) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Description: Quantitative sandwich ELISA for measuring Rat Interleukin 17 (IL-17) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Description: Quantitative sandwich ELISA for measuring Rat Interleukin 17 (IL-17) in samples from cell culture supernatants, serum, whole blood, plasma and other biological fluids.
Description: A competitive ELISA for quantitative measurement of Human Anti sperm protein 17 antibodies in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Human Anti sperm protein 17 antibodies in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
Description: A competitive ELISA for quantitative measurement of Human Anti sperm protein 17 antibodies in samples from blood, plasma, serum, cell culture supernatant and other biological fluids. This is a high quality ELISA kit developped for optimal performance with samples from the particular species.
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