BioTechne以3億美元收購ProteinSimple公司
2014年6月17日，Bio-Techne宣布以3億美元現金收購ProteinSimple公司。此次收購并不受任何融資不時之需。該交易將通過現金及信新的循環信用額度設施，Bio-Techne預計將收購結束之前關閉。 ProteinSimple是開發和銷售用于蛋白質分析的專有系統和消耗品，并幫助揭示了蛋白質的本質的新見解。ProteinSimple工具徹底改變了蛋白質的分析，并提供可靠性水平、易用性和性能，提高整體生產力和實驗室檢測結果的一致性。 ProteinSimple總部設在美國硅谷腹地圣克拉拉，擁有200多名員工。它在加拿大建造制造基地，日本和中國設有銷售辦事處。其龐大的銷售和技術支持人員是儀器儀表銷售和支持高技能人才。ProteinSimple具有銷售與每個儀器相關耗材的一個強大和不斷增長的收入來源。截止至2014年5月31日的前12個月，ProteinSimple營收為5710萬美元，未計利息、稅項、折舊......閱讀全文
Simple－javascript－Oligo－Calculator
Oligo CalculatorEnter Oligo Sequence in BoxLength?Melting Temperature (Tm)??°C%GC contentMolecular Weight:??daltons (g/M)OD of 1 is equal to??picoMola
Antibody－Purification－using－Protein－A,－Protein－G,－or－Protein－L－Agarose
實驗概要This protocol is designed as a quick purification method for antibodies from mammalian sera, ascites, and cell culture supernatants. It should
Antibody－Purification－using－Protein－A,－Protein－G,－or－Protein－L－Agarose
實驗概要This ?protocol is designed as a quick purification method for antibodies from ?mammalian sera, ascites, and cell culture supernatants主要試劑?Protein
How－to－Make－Simple－Solutions－and－Dilutions
1. Simple Dilution (Dilution Factor Method based on ratios)A simple dilution is one in which a unit volume of a liquid material of interest is combine
SSR（simple－sequence－repeat）技術
SSR（simple sequence repeat ）技術是另一種非常有用的分子標記技術，在生物體基因組內存在許多重復的簡單序列小片斷，在不同種內小片斷的重復數不同，這種不同的重復數，是由其遺傳基因所決定，有種屬特異性，這種差異經PCR擴增后，被放大到可檢測程度。因此SSR構成了另一種標記系統
A－simple,－rapid－procedure－for－the－isolation－of－DNA－for－PCR
The polymerase chain reaction (PCR) is a method for amplifying specific segments of DNA defined by the small primers used to start the reaction. Using
A－simple,－rapid－procedure－for－the－isolation－of－DNA－for－PCR
N.M. DuTeau and J.F. Leslie - Department of Plant Pathology, Throckmorton Hall, Kansas State University, Manhattan, KS 66506-5502The polymerase chain
Radioiodination－of－protein
Radioiodination (by Jun Takagi,6/16/2000)Purpose and backgroundsPrinciple of radioiodinationAddition of oxidizing reagents (such as chloramine-T or pe
Protein－Electrophoresis
DefinitionAmino acids, nucleotides, polypeptides, and other compounds in a colloidal state can be separated by the application of external voltages wh
Protein－Crystallization
Background:Proteins, like many molecules, can be prompted to form crystals when placed in the appropriate conditions. In order to crystallize a protei
The－Determination－of－Proteinprotein－Interactions－by－the－Matingbased－...
Dynamic and reversible protein–protein interactions have a pivotal function in all living cells. For instance, protein–protein interactions are in
LOWRY－PROTEIN－ASSAY
The Lowry procedure is one of the most venerable and widely-used protein assays, being first described in 1951 [Lowry et al.,?J. Biol. Chem. 193: 265-
Eukaryotic－protein－translation
The scanning translation initiation model suggests that 40S ribosomal subunit preloaded with factors bind to the 5’ end of the mRNA near the cap. The
Protein－Kinase－A－at－the－Centrosome
Protein kinase A regulatory subunit RIIalpha (PKA-RIIa) is tightly bound to centrosomal structures during interphase through interaction with the A-ki
Bradford－protein－assay
Bradford protein assayConsiderations for useThe Bradford assay is very fast and uses about the same amount of protein as the Lowry assay. It is fairly
BIURET－PROTEIN－ASSAY
BIURET PROTEIN ASSAYMATERIALSBiuret ReagentBovine serum albumin (BSA)Spectrophotometer and tubesPROCEDUREPrepare standard dilutions of BSA containing
Bradford－–－Protein－Determination
Bradford – Protein DeterminationIntroductionA rapid and accurate method for the estimation of protein concentration. The technique is simpler, faster
Lowry－–－Protein－Determination
Lowry – Protein Determination(From Protein Protocols on CD-ROM Humana Press, 1998 - Section 1-2 The Lowry Method for Protein Quantitation Jakob H. Wat
Acetone－precipitation－of－protein
This procedure is suitable for recovering proteins from most aqueous solvents and from SDS containing buffers. It is not recommended for proteins diss
Preparing－a－Selenomethionyl－Protein
PurposeThe protocol describes how to prepare selenomethionyl (Se-Met) protein using a regular E.coli strain. Selenium can be used for phase determinat
Protein－Assay－(Spectrophotometer)
Protein Assay (Spectrophotometer)Use BSA (bovine serum albumin) 1mg/ml stock solution (1ml Eppendorf tubes) for standard curve.Place 0, 2, 5, 10, 15,
Protein－A－Purification－of－Antibody
1. Reagents(1) Affi-gel Protein-A Agarose (BioRad #153-6153)(2) MAPS II Binding Buffer (BioRad # 153-6161)(3) 0.314 g/ml diH2O(4) MAPS II Elution Buff
Protein－purification;－actin
Protein purification; actin ? ? ?Overview?? ACTINThe most abundant muscle and non-muscle cytoskeletal protein. MW 42 kDa, 374/375 amino acids; various
Protein－Staining－Procedures
This method was successful in our lab using prostate tissue and for our specific objectives. Investigators must be aware that they will need to tailor
Protein－arginine－methylation
Typical modification sites: RGG box or RXR sequence motifs R-arginine, G-glycine,X-any aminoacid.Enzymes catalysing protein arginine methylation: PRMT
Basic－Protein－Chemistry－Techniques
Coomassie Blue Stain:? (for gels)?1) Combine 225 ml Methanol with 225 ml ddH2O.?2) Add 0.5 grams of Coomassie Blue.?3) Just before use, add 50 ml acet
Biorad－Protein－Assay:－Bradford
Biorad Protein Assay: BradfordStandards: 1 mg/ml BSA stock- dilute 1:10 to get 0.1 mg/ml BSAAdd To get H-2O20 μl 2 μg/ml 780 μl40 μl 4 μg/ml 760 μl60
Cyanogen－Bromide－digestion－of－protein
1. Proteins are TCA precipitated and washed with acetone, then dried.2. The CNBr should be brought to room temperature in the hood and used ONLY in th
Coupling－Antibodies－to－Protein－A－or－G
1. use 2 mg of antibody per ml wet beads (use appropriate antibody/protein A or G combination).2. mix antibodies with beads and bind at room temperatu
Angiotensin－Protein－Kinase－Assay
James Hardwick's angiotensin assay protocolThis specific procedure was developed to assay the activity of the Lck kinase expressed from a retrovir