PerkinElmer

Enzymology

OF

Find the end-point and real-time kinetic reagents and instruments you need for your enzymatic assays. We offer:

  • Radiolabeled substrates for highly-sensitive kinetic assays and antibody-free screening
  • TR-FRET, TRF, and Alpha no-wash technologies for fast and simple measurement of biochemical and cellular enzymatic activity
  • Microfluidic mobility-shift assays (MSA) for radiometric analysis of substrate conversion, kinetics, and mechanism-of-action
  • Multi-mode plate readers for maximal speed and throughput independent of technology platform

  • Products and Services

  • Resources, Events & More

Narrow your results
Product Type
  • Consumables (2)
  • Instruments (1)
  • Reagents (273)
Antibody Conjugates
  • Anti-acetyl-lysine (1)
  • Anti-Acetyl-Lysine (1)
  • Anti-H3 (C-term) (1)
  • Anti-H3K27ac (2)
  • Anti-H3K27me2 (1)
  • Anti-H3K27me2-1 (1)
  • Anti-H3K27me3 (2)
  • Anti-H3K36me2 (2)
  • Anti-H3K4 (3)
  • Anti-H3K4me1-2 (2)
  • Anti-H3K9/H3K27 (1)
  • Anti-H3K9/K27 (1)
  • Anti-H3K9ac (2)
  • Anti-H3K9me2 (2)
  • Anti-H3R2me (1)
  • Anti-H4K20me1 (1)
  • Anti-H4R3me (2)
  • Anti-methyl arginine (1)
  • Anti-methyl-Arg (1)
  • Anti-O-GlcNAc (1)
  • Anti-O-linked-GlcNAc (1)
  • Anti-P-Ser 14-3-3 (1)
  • Anti-P-Tyr-100 (1)
  • Anti-p53K382ac (2)
  • Anti-phospho-4EBP1 (1)
  • Anti-phospho-Acetyl-CoA-Carboxylase (1)
  • Anti-phospho-Crosstide (1)
  • Anti-phospho-glycogen synthase (1)
  • Anti-phospho-Histone H3 (2)
  • Anti-phospho-I?Ba (1)
  • Anti-phospho-MEK1/2 (1)
  • Anti-phospho-p70S6K (1)
  • Anti-phospho-PKC (1)
  • Anti-phospho-PLK (1)
  • Anti-phospho-rpS6 (1)
  • Anti-phospho-serine (1)
  • Anti-phospho-threonine (2)
  • Anti-phospho-Topo IIa (1)
  • Anti-phospho-Tyrosine Hydroxylase (1)
  • P-Tyr-100 (1)
  • PT66 (2)
  • PY20 (2)
  • Streptavidin/Phosphosensor (1)
  • Streptavidin/PT66 (1)
  • Streptavidin/PY20 (1)
Application
  • Drug Discovery & Development (3)
  • Epigenetics (46)
  • Kinase (143)
  • Multiplexing (6)
  • Protein Analysis & Detection (103)
Assay points(200-50,000)
  • 100 (35)
  • 1000 (1)
  • 10000 (85)
  • 500 (94)
  • 5000 (10)
  • 50000 (87)
Assay Target
  • 4EBP1 (3)
  • Akt1 (3)
  • Akt1/2 (1)
  • Akt1/2/3 (6)
  • ALK (2)
  • ATF1 (1)
  • ATF2 (1)
  • BAD (2)
  • c-Jun (2)
  • c-Met (1)
  • Caspase-9 (2)
  • Chk-1 (1)
  • Chk-2 (1)
  • Cofilin (1)
  • CREB (2)
  • EGFR (2)
  • eIF2α (1)
  • eIF4E (2)
  • Elk1 (1)
  • ErbB2 (1)
  • ERK1/2 (7)
  • GAPDH (2)
  • GSK3α (1)
  • GSK3β (5)
  • Histone H2A (1)
  • Histone H3 (10)
  • Hsp27 (1)
  • IGFR (1)
  • IKKα (3)
  • INSR (2)
  • IκBα (1)
  • JNK1/2/3 (5)
  • JNK1/3 (1)
  • MEK1 (5)
  • MKK3/6 (1)
  • MKK4 (1)
  • mTOR (6)
  • NFκB (3)
  • p38 MAPK (3)
  • p53 (2)
  • p70 S6K (4)
  • PDK1 (1)
  • S6RP (6)
  • SLP-76 (5)
  • SMAD1 (2)
  • SMAD2 (1)
  • SMAD3 (2)
  • STAT1 (1)
  • STAT3 (6)
  • STAT4 (1)
  • STAT5 (2)
  • STAT6 (1)
  • SYK (2)
  • Topo IIα (2)
  • VEGF2 Receptor (2)
  • β-Catenin (1)
Assay Target Class
  • Histone (10)
  • Phosphoprotein (109)
  • Protein (10)
Automation Compatible
  • Yes (217)
Detection Method
  • Alpha (157)
  • DELFIA TRF (5)
  • Fluorescence (1)
  • Radiometric (4)
  • Time-Resolved Fluorescence (TRF) (61)
  • TR-FRET (56)
Experimental Type
  • In vitro (194)
Fluorophore
  • 5-FAM (31)
  • Eu-N1 (5)
  • Eu-W1024 (37)
  • FITC (3)
  • ULight (19)
Format
  • Microplates (212)
Molecular Modification
  • Acetylation (12)
  • GlcNAc (1)
  • Glycosidation (1)
  • Methylation (25)
  • Phosphorylation (117)
  • Total (1)
  • Unmodified (4)
Product Brand Name
  • Alpha SureFire Ultra Multiplex (6)
  • AlphaLISA (31)
  • AlphaLISA SureFire Ultra (58)
  • AlphaPlex (7)
  • AlphaScreen (3)
  • AlphaScreen SureFire (61)
  • DELFIA (5)
  • Labchip EZ Reader (47)
  • LabChip EZ Reader (1)
  • LANCE (5)
  • LANCE Ultra (51)
  • SPA Enzymatic Assays (3)
Radioisotope
  • H-3 (3)
Sample Volume
  • 2 mL (1)
  • 35 mL (1)
  • 400 mL (1)
Target Species
  • Human (108)
Therapeutic Area
  • Epigenetics (10)
Volume
  • 0-50 (2)
  • 351-400 (1)

"Enzymology" 1-50 of 276 Products and Services

Sort
Per Page
LabChip EZ Reader

EZ READER, SHIP LEVEL

The EZ Reader can help to save time and money in your laboratory by identifying the most promising lead candidates faster.

The EZ Reader instrument is available outside the EU. Please contact your local representative for further information.

AlphaLISA Biotin-anti-Histone H4 Antibody

AlphaLISA® biotinylated monoclonal antibody recognizing the amino-terminal end of human histone H4. Broad species cross-reactivity is expected based on sequence similarity. This product is designed to be used with AlphaLISA® Epigenetics Acceptor beads to detect modified full-length histone H4 in homogeneous AlphaLISA assays.
Price Range : 1075.00 USD - 9700.00 USD

Anti-acetyl-Histone H3 Lysine 9 (H3K9ac) AlphaLISA® Acceptor Beads

AlphaLISA® Acceptor beads conjugated to an antibody against human histone H3 acetylated at lysine 9 (H3K9Ac). These beads can be used for no-wash AlphaLISA epigenetic writer and eraser assays.
Price Range : 1435.00 USD - 26100.00 USD
SureFire principle

AlphaScreen SureFire NFkB (p-Ser536) Assay Kit

The AlphaScreen® SureFire®p-NF-κB p65 (p-Ser536) assay is a sandwich immunoassay for quantitative detection of phospho-NF-κB p65 (phosphorylated on Ser536) in cellular lysates using Alpha Technology.
Price Range : 435.00 USD - 17200.00 USD
AlphaLISA Cellular Epigenetics kits

AlphaLISA dimethylated-Histone H3 Lysine 9 (H3K9me2) Cellular Detection Kit

This kit is designed for the detection of di-methylated Histone H3 Lysine 9 (H3K9me2) in cell lysates using a homogeneous AlphaLISA assay (no wash steps).
Price Range : 675.00 USD - 12000.00 USD

AlphaLISA Anti-tri-methyl-Histone H3 Lysine 27 (H3K27me3) Acceptor Beads

AlphaLISA® Acceptor beads conjugated to an antibody against human histone H3 tri-methylated at lysine 27 (H3K27me3). These beads can be used for no-wash AlphaLISA epigenetic writer and eraser assays.
Price Range : 1379.00 USD - 25100.00 USD
SureFire principle

AlphaScreen SureFire Phospho-ATF2 (Thr71) Assay Kit

The AlphaScreen® SureFire® p-ATF2 (Thr71) assay is a sandwich immunoassay for quantitative detection of phospho-ATF2 (phosphorylated on Thr71) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD

AlphaScreen Phosphotyrosine (PY20) Assay Kit

AlphaScreen phosphoprotein kits are designed to detection phosphoproteins in biochemical or cellular kinase assays. This kit contains streptavidin Donor beads and AlphaScreen Acceptor beads conjugated with the antiphosphotyrosine PY20 antibody. This kit can be used to capture biotinylated phosphoproteins, biotinylated phosphorylated peptides, or biotinylated antibodies in complex with phosphorylated proteins.
Price Range : 175.00 USD - 13400.00 USD
AlphaLISA SureFire Ultra kits

AlphaLISA SureFire Ultra p-STAT4 (Tyr693) Assay Kit

The AlphaLISA® SureFire® Ultra p-STAT4 (Tyr693) assay is a sandwich immunoassay for quantitative detection of endogenous STAT4 phosphorylated at Tyr693 in cellular lysates using Alpha Technology.
Price Range : 475.00 USD - 27600.00 USD

LANCE Ultra Europium-anti-di/mono-methyl-Histone H3 Lysine 27 (H3K27me2-1) Antibody

Europium-labeled monoclonal antibody recognizing human Histone H3 mono- and di-methylated at lysine 27 (H3K27me2-1). For use in LANCE® Ultra epigenetic writer and eraser assays.
Price Range : 3383.00 USD - 8500.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 6, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 6 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
AlphaLISA Cellular Epigenetics kits

AlphaLISA Di-Methyl-Histone H3 Lysine 4 (H3K4me2) Cellular Detection Kit

This kit is designed for the detection of di-methylated Histone H3 Lysine 4 (H3K4me2) in cell lysates using a homogeneous AlphaLISA assay (no wash steps).
Price Range : 675.00 USD - 12000.00 USD
SureFire principle

AlphaScreen SureFire p-Smad3 (Ser423/425) research kit

The AlphaScreen® SureFire® p-SMAD3 (p-Ser423/425) assay is a sandwich immunoassay for quantitative detection of phospho-SMAD3 (phosphorylated on Ser423/425) in cellular lysates using Alpha Technology.
Price Range : 1590.00 USD - 17200.00 USD
AlphaLISA SureFire Ultra kits

AlphaLISA SureFire Ultra p-eIF4E (Ser209) Assay Kits

The AlphaLISA® SureFire® Ultra™ p-eIF4E(Ser209) assay is a sandwich immunoassay for quantitative detection of phospho-eIF4E (phosphorylated on Ser209) in cellular lysates using Alpha Technology.
Price Range : 475.00 USD - 27500.00 USD
SureFire principle

AlphaScreen SureFire 4EBP1 (p-Thr70) Assay Kit

The AlphaScreen® SureFire® p-4EBP1 (Thr70) assay is a sandwich immunoassay for quantitative detection of phospho-4EBP1 (phosphorylated on Thr70) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD
PerkinElmer

LANCE Ultra Europium-anti-phospho-40S Ribosomal Protein S6 (Ser235/236)

Europium-labeled rabbit monoclonal antibody recognizing human 40S ribosomal protein S6 phosphorylated at both Ser235 and Ser236. Sequence motif recognized: RRL(pS)(pS)LRA
Price Range : 694.00 USD - 2403.00 USD
AlphaLISA Cellular Epigenetics kits

AlphaLISA dimethylated-Histone H3 Lysine 79 (H3K79me2) Cellular Detection Kit

This kit is designed for the detection of di-methylated Histone H3 Lysine 79 (H3K79me2) in cell lysates using a homogeneous AlphaLISA assay (no wash steps).
Price Range : 675.00 USD - 12000.00 USD
SureFire principle

AlphaScreen SureFire ALK (p-Tyr1604) Assay Kit

The AlphaScreen® SureFire® p-ALK (Tyr1604) assay is a sandwich immunoassay for quantitative detection of phospho-ALK (phosphorylated on Tyr1604) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 20, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 20 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
SureFire principle

AlphaScreen SureFire Phospho-PDK 1 (Ser241) Kit

The AlphaScreen® SureFire® p-PDK1 (p-Ser241) assay is a sandwich immunoassay for quantitative detection of phospho-PDK1 (phosphorylated on Ser241) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD

AlphaScreen Phosphotyrosine (PT66) Assay Kit

AlphaScreen phosphoprotein kits are designed to detection phosphoproteins in biochemical or cellular kinase assays. This kit contains streptavidin Donor beads and AlphaScreen Acceptor beads conjugated with the antiphosphotyrosine PT66 antibody. This kit can be used to capture biotinylated phosphoproteins, biotinylated phosphorylated peptides, or biotinylated antibodies in complex with phosphorylated proteins.
Price Range : 175.00 USD - 13400.00 USD
SureFire principle

AlphaScreen SureFire IkBalpha (p-Ser32/Ser36) Assay Kit

The AlphaScreen® SureFire® p-IκBα (Ser32/36) assay is a sandwich immunoassay for quantitative detection of phospho-IκBα (phosphorylated on Ser32/36) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD
SureFire principle

AlphaScreen SureFire EIF4E (p-Ser209) Assay Kit

The AlphaScreen® SureFire® p-eIF4E (Ser209) assay is a sandwich immunoassay for quantitative detection of phospho-eIF4E (phosphorylated on Ser209) in cellular lysates using Alpha Technology.
Price Range : 1590.00 USD - 17200.00 USD
SureFire principle

AlphaScreen SureFire S6RP (p-Ser240;Ser244) Assay Kit

The AlphaScreen® SureFire® p-Ribosomal Protein S6 (p-Ser240/244) assay is a sandwich immunoassay for quantitative detection of phospho-RP S6 (phosphorylated on Ser240/244) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD

Anti-Histone H3 (C-term) AlphaLISA Acceptor Beads

AlphaLISA® Acceptor beads designed to capture Histone H3 in a homogeneous AlphaLISA assay for DOT1L. Use in conjunction with biotinylated anti-H3K79me2 (AL148).
Price Range : 1379.00 USD - 25100.00 USD

LANCE Ultra Europium-anti-acetyl-Histone H4 Lysine (H4Kac pan) Antibody

Europium-labeled monoclonal antibody recognizing human Histone H4 (H4Kac pan). For use in LANCE® Ultra epigenetic writer and eraser assays.
Price Range : 3383.00 USD - 8400.00 USD

Biotin-anti-H3K79me2 antibody

Biotinylated antibody against human histone H3 that is dimethylated on Lysine 79. This antibody is intended for use in AlphaLISA® no-wash epigenetic assays using DOT1L methyltransferase with oligonucleosome substrates.
Price Range : 1379.00 USD - 25100.00 USD
SureFire principle

AlphaScreen SureFire p53 (p-Ser15) Assay Kit

The AlphaScreen® SureFire® p-p53 (p-Ser15) assay is a sandwich immunoassay for quantitative detection of phospho-p53 (phosphorylated on Ser15) in cellular lysates using Alpha Technology.
Price Range : 397.00 USD - 15600.00 USD
SureFire principle

AlphaScreen SureFire Histone H3 (p-Ser10) Assay Kit

The AlphaScreen® SureFire® p-Histone H3 (Ser10) assay is a sandwich immunoassay for quantitative detection of phospho-Histone H3 (phosphorylated on Ser10) in cellular lysates using Alpha Technology.
Price Range : 1448.00 USD - 15600.00 USD
SureFire principle

AlphaScreen SureFire InsulinR (p-Tyr1150;Tyr1151) Assay Kit

The AlphaScreen® SureFire® p-Insulin Receptor (Tyr1150/1151) assay is a sandwich immunoassay for quantitative detection of phospho-Insulin Receptor (phosphorylated on Tyr1150/1151) in cellular lysates using Alpha Technology.
Price Range : 1590.00 USD - 17200.00 USD

LANCE Ultra ULight™-PKC substrate

PKC substrate (sequence: CRFARKGSLRQKNV) labeled with ULight™ dye. Synthetic peptide derived from amino acids 19-31 of PKC?.
Price Range : 307.00 USD - 838.00 USD
AlphaLISA SureFire Ultra kits

AlphaLISA SureFire Ultra p-VEGF Receptor 2 (Tyr1175) Assay Kit

The AlphaLISA® SureFire® Ultrap-VEGF Receptor 2 (Tyr1175) assay is a sandwich immunoassay for quantitative detection of phospho-VEGFR Receptor 2 (phosphorylated on Tyr1175) in cellular lysates using Alpha Technology.
Price Range : 475.00 USD - 27500.00 USD
PerkinElmer

LANCE Ultra Europium-anti-phospho-Histone H3 (Thr3) Antibody

Rabbit monoclonal antibody labeled with the LANCE® Europium W-1024-ITC chelate. This antibody detects peptides derived from Histone H3 phosphorylated at Thr3. Histone H3 peptides can be phosphorylated by several kinases including RSK2. Sequence motif recognized: ARTKQTARKSTGGKAPRKQLAGCG
Price Range : 1488.00 USD - 6800.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 25, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 25 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
SureFire principle

AlphaScreen SureFire Phospho-GSK 3a (Ser21) Kit

The AlphaScreen® SureFire® p-GSK 3α (Ser21) assay is a sandwich immunoassay for quantitative detection of phospho-GSK3α (phosphorylated on Ser21) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD
SureFire principle

AlphaScreen SureFire STAT3 (p-Tyr705) Assay Kit

The AlphaScreen® SureFire® p-STAT3 (p-Ser705) assay is a sandwich immunoassay for quantitative detection of phospho-STAT3 (phosphorylated on Ser705) in cellular lysates using Alpha Technology.
Price Range : 435.00 USD - 17200.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 15, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 15 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 24, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 24 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
SureFire principle

AlphaScreen SureFire STAT1 (p-Tyr701) Assay Kit

The AlphaScreen® SureFire® p-STAT1 (p-Tyr701) assay is a sandwich immunoassay for quantitative detection of phospho-STAT1 (phosphorylated on Tyr701) in cellular lysates using Alpha Technology.
Price Range : 1449.00 USD - 15700.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 12, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 12 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
PerkinElmer

LANCE Ultra Europium-anti-phospho-Myelin Basic Protein (MBP)

Mouse monoclonal antibody labeled with the LANCE® Eu-W1024-ITC chelate. This antibody recognizes specifically phosphorylated Thr232 in myelin basic protein (MBP; Swiss-Prot: P02686). MBP can be phosphorylated by a variety of kinases including Erk1/Erk2. Sequence motif recognized: FFKNIVTPRpTPPPSQGK
Price Range : 285.00 USD - 5800.00 USD
Alpha SureFire Ultra Multiplex kits

Alpha SureFire® Ultra™ Multiplex p-ERK (Eu) (directly coupled) HV Kit, 100 Assay Points

Single target-only kit for multiplexing to other AlphaLISA SureFire Ultra assay kits. The Alpha SureFire® Ultra™ Multiplex kits allow the rapid, sensitive, and quantitative detection of phosphoproteins from cells, combined with the measurement of another protein, phospho or total. This Alpha Multiplex measurement is carried out in the same assay plate well from a single sample of cell lysate, and is achieved by the use of two types of Alpha Acceptor beads that emit at distinct wavelengths (545nm and 615nm).
List Price : 475.00 USD
PerkinElmer

Phosphodiesterase [3H] cGMP SPA Enzyme Assay

cGMP radioimmunoassay kit using Scintillation Proximity Assay (SPA) beads
List Price : 3252.00 USD
AlphaLISA SureFire Ultra kits

AlphaLISA SureFire Ultra p-MEK1 (Ser218/222) Assay Kit, 10,000 Assay Points

The AlphaLISA® SureFire® Ultra™ p-MEK1 (Ser218/222) assay is a sandwich immunoassay for quantitative detection of phospho-MEK1 (phosphorylated on Ser218/222) in cellular lysates using Alpha no-wash technology.
List Price : 8900.00 USD
SureFire principle

AlphaScreen SureFire ATF1 (p-Ser63) Assay Kit

The AlphaScreen® SureFire® p-ATF1 (Ser63) assay is a sandwich immunoassay for quantitative detection of phospho-ATF1 (phosphorylated on Ser63) in cellular lysates using Alpha Technology.
Price Range : 1448.00 USD - 15600.00 USD
PerkinElmer

ProfilerPro Kinase Peptide Substrate 8, for LabChip EZ Reader

Fluorescently-labelled peptide substrate 8 for kinase assays (inhibiton, target discovery, lead optimization)
List Price : 721.00 USD
PerkinElmer

LANCE Ultra Europium-anti-phospho-PLK (Ser137) antibody

Affinity-purified rabbit polyclonal antibody labeled with the LANCE® Europium W-1024-ITC chelate. This antibody detects peptides derived from polo-like kinase (PLK) and phosphorylated at serine 137. PLK (Ser137) peptides can be phosphorylated by a variety of kinases including Aurora A, PAK2, MSK1, PKA and PKC. Sequence motif recognized: RRRSLLE
Price Range : 1488.00 USD - 6800.00 USD
Alpha SureFire Ultra Multiplex kits

Alpha SureFire Ultra Multiplex p-AKT (Ser473) (directly coupled) Kit

Single target-only kit for multiplexing to other AlphaLISA SureFire Ultra assay kits. The Alpha SureFire® Ultra Multiplex kits allow the rapid, sensitive, and quantitative detection of phosphoproteins from cells, combined with the measurement of another protein, phospho or total. This Alpha Multiplex measurement is carried out in the same assay plate well from a single sample of cell lysate, and is achieved by the use of two types of Alpha Acceptor beads that emit at distinct wavelengths (545nm and 615nm).
Price Range : 475.00 USD - 27600.00 USD
AlphaLISA SureFire Ultra kits

AlphaLISA SureFire Ultra Total ERK 1/2 Assay Kit

The AlphaLISA® SureFire® Ultra™ Total ERK 1/2 assay is a sandwich immunoassay for quantitative detection of ERK 1/2 (both phosphorylated and non-phosphorylated) in cellular lysates using Alpha Technology. This assay is intended to be used as a normalization for phosphorylation studies.
Price Range : 475.00 USD - 27500.00 USD

AlphaLISA Anti-unmodified Histone H3 Lysine 4 (H3K4) Acceptor Beads

AlphaLISA® Acceptor beads conjugated to an antibody against human histone H3 unmodified against lysine 4 (H3K4). These beads can be used for no-wash AlphaLISA epigenetic eraser assays.
Price Range : 1379.00 USD - 25100.00 USD

"Enzymology" 1-50 of 276 Products and Services

Per Page