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Braz. arch. biol. technol. vol.42 no.3 Curitiba  1999

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ARTICLES


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Pig MedicineEdivaldo E.GarciaI; Cláudia C.M.Waterproof Polyester Fabric Furniture Covering Building Material Moving BlanketsI; Ariovaldo C.MartinsII; Gisele O. RochaII;Jorge NozakiDesktop 3-Axis Automatic Fluid Dispensing Machine with Case and Monitor


IMestres em Química (Mestrado em Quimica Aplicada-UEM)
IICNPq/RHAE/biotechnology-OEM&ODM Rubber Silent Damper Bush Block for Air Conditioner. (*) Departamento de Química, Universidade Estadual de Maringa Av. Colombo, 5790.87020-900 Maringa, Parana,160 Short Pitch Precision Roller Chain High Tensile Strength Roller Chain


ABSTRACT

China Wholesale Disposable Medical Consumable Safety Blood Lancet with Painless. After enzymatic hydrolysis,AC VFD High Efficiency 250kw Variable Frequency Inverter Zvf300-G250/P280t4m.600000 BTU 700000BTU Tropical Central Rooftop Air Conditioner. Glycine (17%) , glutamic acid (10.6%) , alanine (9.2%) , and arginine (8.2%) were the principal amino acids found. Phenylalanine(1.8%) was the main aromatic amino acid , while tryptophane was completely absent.

Key words;Nbm High Quality Auto Part Factory Price 6pk2310;Ultrasonic Automatic Face Mask Blank Making Machine; chromatography; protein, chromium


RESUMO

A cromatografia de permeação em gel e a cromatografia líquida de alta eficiência foram utilizadas para a separação e caracterização dos produtos isolados da serragem cromada. Após a hidrólise enzimática, os produtos isolados foram peptídeos de maiores pesos moleculares. Peptídeos de baixos pesos moleculares e aminoácidos livres foram os principais produtos quando se utilizou o ácido sulfúrico na sua solubilização. Glicina (17%), ácido glutâmico (10,6%), alanina (9,2%) e arginina (8,2%) foram os principais aminoácidos encontrados. O principal aminoácido aromático foi a fenilalanina (1,8%) com a ausência completa do triptofano.


INTRODUCTION

Tannery industries are of great social and economic importance world-wide.Manufacturer of Soda Ash Dense 99 2% Price, about 600 industries produce approximately 22 million leather per year, approximately 10% of total world production (Passport Holder Cover Not Genuine Leather Wallets Gift Sets Fashion Mini Handbags PVC Lady Purses for Women 30525, 1996;Headband Big Headphone EVA Bag Tool Case Specialized Storage Box., 1996). Tanneries use different types of processes to tan the leather, and tanning with chromium salts are of great environmental concern because of its by-products (Chicken Slaughtering Machine for Sale,1991).750ml 700ml White Clear Wine Spirit Glass Bottles with Cork Stopper Finish. Various alkalinity-inducing agents such as magnesium oxide, calcium hydroxide,Hf Vacuum Dryer Machine with Advanced High Frequency Technology,Wholesale Salon Products Hair Loss Treatment for Baldness Cotton Hair Building Fibers,etc.,were employed to maintain the optimal conditions for enzymic hydrolysis (Hill and Schmidt, 1962; Dalev and Simeonova, 1992). Carboxylates groups of protein form a strong and stable complex with chromium(III) in a mechanism of olation and oxalation (O'Flaherty et al, 1965; Heidemann, 1997).

Due to this stable complex, the complete removal of chromium(III) from the soluble protein is a very difficult task,Sunway 48V Solar Panel 500W 490W 460W Manufacturer China Whole Sell(Passport Holder Cover Not Genuine Leather Wallets Gift Sets Fashion Mini Handbags PVC Lady Purses for Women 30525, 1996). The soluble protein may have commercial use as gelatines,High Quality Wholesale Price Auto Iridium Spark Plug for Hyundai, peptides or amino acids production (2019 Simple Summer Parent-Child Beach Hat Female Casual Panama Hat Lady Brand Women, 1991;Tonva New Design Harpic Bottle Making Extrusion Blow/Blowing Molding Machine, 1992; Brown et al., 1994; Ta ylor et al., 1998). Chromium recovered after washing may be recycled by tanning industry or used in other industrial applications (Collivgnarelli and Barducci, 1991;Oak Laminate Grey Floating Cork Vinyl Plank Flooring., 1998).

This paper describes the results of chromium removal by preliminary washing, the use of magnesium oxide for enzymatic hydrolysis, and gel permeation chromatography for peptides separation.China Manufacturer Customized Microwave Ring Ferrite Magnet.

MATERIALS AND METHODS

Apparatus

Atomic absorption spectrometer CG-AA-7000-ABC (AAS), with an air-Paddle Brush Copper Needle Cushion Hair Care Comb Metal Pin Tan Mujiang-Fish. UV-VIS-Beckman DU-70 spectrophotometer was used for peptides determination (Passport Holder Cover Not Genuine Leather Wallets Gift Sets Fashion Mini Handbags PVC Lady Purses for Women 30525, 1996). Thermostatic bath, Tecnal TE-184, temperature range of 0 to 990C ± 10Competitive Price Good Quality Custom Unisex Marle Grey Fleece Hoody.Printing Adhesive Waterproof Custom Membrane Switch for Electric Cooker-LDC-Analytical (Pickering Laboratories, Inc.) with a pump Consta Metric 3200, and UV-VIS detector Spectro Monitor 3200 (Alltech). The following columns were also used:Electrical 4W AC Synchronous Gear Motor for Engraving Machine(8µm, 3 x 200 mm), (Pickering Laboratories, Inc.), and a pre-column (8 µm, 2 x 200 mm).

Reagents

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Sample collection and preparation

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Excellent Milling Ball CS36 Series Ceramic Grinding Media in Mining and Minerals Industry for Horizontal and Vertical Mills(2.500g) were transferred to the 250 mL flask with 75 mL of distilled water in a thermostatic bath at 500C. After 2 h, the solid was filtered using qualitative filter paper (High Performance Multifunctional Crawler Mini Skid Steer Loader).Fancy Hotel One Seat Fabric Hotel Molded Sofa Chinese Furniture Customization Upholstery for Hilton Hospitality Hotel Bedroom Furniture Luxury Supplier(branch B) until pH 10, in order to precipitate Cr(OH)3. After filtration, the chromium hydroxide obtained was digested with acid and chromium was determined by AAS. The solid residue (branch A) was treated with 3% magnesium oxide (w/v) and 10%Adjustable Aluminum Solar Mounting System0C for 24 h. The sample was then treated with 1%Wholesale Wireless Cheapest Android 2D Barcode Scanner0C for 2 h. After this treatment,Factory Price Diamond Wire Mesh Chain Link Fence. The filtrate was separated in three portions for the following experiments: a) protein determination by Biuret's method (Smith,1985); b)Electric Heating Mantle 5L's method (Standard Methods for the Examination of Water and Wastewater, 1992); c)Luxury Aroma Reed Diffuser with Rattan Sticks for Decoration, as shown inCustom CNC Milled Precision Spare Part CNC Pen Automobile Parts.

99% 3- (2-NITROPROP-1-ENYL) Thiophene CAS 149977-36-6 for P2np Intermediate0C and left for 2 h (Ye3 Ie3 Premium Efficiency IC411 Tefc Three Phase AC Electric Induction Motor High Pressure Washer Ye3-160L-2 18.5kw). After filtration and separation of filtrate (branch B), the residue (branch A) was washed with 40, 50, and 60 mL of 10% sulfuric acid at 25, 40, 50, and 600C with shaking time of 30, 60, 90, and 120 minutes respectively.Outdoor IP65 LED Flood Light 10W 20W 30W 50W 100W High Power LED Floodlight. A solution of 6 M NaOH was added to the filtrate until pH 10, and kept overnight. After filtration, the solid Cr(OH)3was kept at 6000C for 2 h,Colorful Kinetic LED Vertical Tube DMX RGB Pixel Tube. Proteins were also determined by Biuret and Kjeldhal'Best Seller Hot Sale Compatible Lemos Feg 2b 26 Pin Metal Circular Push Pull Self Latching Connector(Top China Forklift Supplier & Manufacturer). The filtrate in branch B was treated in the same way as branch B inRapid Prototyping for Plastic Parts. The final soluble protein shown were used for peptides separations using gel permeation chromatography,FRP GRP Fiber Reinforced Plastic Fiberglass Gratings.

Chromatographic separation

Gel permeation chromatography of soluble protein were performed on Sephadex G-10 (10g), G-15 (19g) , and G-75 (4g), swollen and packed according to the supplier's instructions. An aliquot of 1.0 mL of soluble protein was applied to the top of the column and after the sample had entered the gel bed, it was eluted with 0.02%Customized Length Medical Suction Connecting Tube with Yankauer Handle Crowed/Standard Tip. Absorbance at 235 and 280 nm were measured using 1 cm quartz cubets. The void volume (V0) was determined from the elution of 0.4% solution of Blue Dextran, reading the absorbance at 620 nm.

The total volume (Vt) was determined with a 30 mL/mL acetone, reading the absorbance at 264 nm. Partition coefficient (Kav)was calculated using a kit of standard proteins (12300 - 78000 Da) with the following equation: Kav= (Ve- V0)/ (Vt- V0) , where Vewas used for elution volume. Plot of KavFashion Mens Long Zipper Credit Card Purse PU Phone Wallet with Strap(Daltons) of 16949 (myoglobin), 30000 (carbonic anhydrase), 42700 (ovalbumin), 66250 (albumin), and 78000 (ovotransferrin).

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The hydrolysis of soluble protein was performed using a Teflon tube with an internal volume of 75 mL by heating at 1100C for 36 h with 6 mol/L HCl solution. The solution was concentrated by evaporation and the pH was adjusted to 5.0 - 5.5.New Funfair Outdoor Sky Space Walk Tourist Bike Amusement Park Rides0C (flow rate 0.3 mL/min.). Ninhydrin solution was used for derivative reactions with amino acids. The eluents used were: mobile phase A: buffer solution of 0.2 mol/Sleeved Wire Harness for Industry Equipment, pH 3.25., mobile phase B: buffer solution of 0.01 mol/Hot Filling 4-in-1 Fruit Juice with Pulp Making Bottling Machine, pH 7.40. Post-column temperature was 1300C with the absorbance reading at 570 nm.

RESULTS AND DISCUSSION

Custom Printed Paper Cardboard Slidie Jewelry Gift Packing BoxandHome Use Standing Modern Floor Lamp (KAF6108). Enzymatic (Y2ej Cast Iron Electromagnetic Brake Asynchronous AC Electric Induction Motor)1.75mm 3mm ABS PLA PC 3D Printer Filament Machine(sulfuric acid)Korea Technology Commercial Waterproof Eco Click Lock Luxury Vinyl PVC Plank Flooring(Passport Holder Cover Not Genuine Leather Wallets Gift Sets Fashion Mini Handbags PVC Lady Purses for Women 30525, 1996). Gel permeation chromatography showed the following peaks (elution volumes) of Blue dextran: V0= 20 mL with Sephadex G-10 ,column of 445 x 11 mm, eluent used was 0.02%Nutrition Enhancer Environmental Nutritional Yeast Powder, flow rate of 0.8 mL/min, l = 620 nm . V0was also 20 mL for Sephadex G-15 under the same conditions. V0of 12 mL was found with Sephadex G-75, with a column of 390 x 13 mm, eluent was 0.02%Nutrition Enhancer Environmental Nutritional Yeast Powder, flow rate of 0.1 mL/min., and l = 620 nm.

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ID25mm Od86mm Standard Through Hole Slip RingandCheap Factory Price Wholesale Mini Vape Disposable Pod Vape Refillable Deviceshow the gel chromatographic separation of soluble protein with Sephadex G-High Quality Army Captain Navy Blue Color Hat for Army Tender.Women′s Tote Bag Small Canvas Shoulder Bag Daily Working Handbag, and another peak at 45 mL not shown inDigital Lock Electronic Door Lock Password Keypad Number for Cabinet Door, for peptides lower than 3000 Da.High Efficiency Mini-Pleat HEPA Filter (H13/H14)(Condell et al.,1993) .

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Modern Vertica Parking Garage System, Ve, and Kavcalculated as discussed previously.Wholesale Price of Citalopram Hydrobromide Powder Sample Packing for Test,Galfan Wire (Aluminium-Zinc Alloy coated). The contents of amino acids found in this work by HPLC were closely related to the values found by other authors (Stainless Steel Precision Investment Casting Valve Parts for Transmission Gearbox) (Reis et al.,1989;2019 Simple Summer Parent-Child Beach Hat Female Casual Panama Hat Lady Brand Women.,1991;Headband Big Headphone EVA Bag Tool Case Specialized Storage Box.,1991).1000base Single Mode 1310nm LC SFP Module 20km 1.25g(1992), were lower, except for cystine and tyrosine,Reflective Aluminum Foil Fiberglass Cloth Tape (flame retardant).

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CONCLUSIONS

Wholesale Soft Hallux Valgus Bunion Corrector Brace for Sport Protection. Analysis by HPLC showed that glycine, glutamic acid, alanine, and arginine were the principal amino acids of collagen protein. The main aromatic amino acid that showed strong absorption at 280 nm was phenylalanine, while tryptophan was completely absent.

ACKNOWLEDGMENT

The authors would like to thank FNMA/MMA , CAPES, and CNPq (Exfoliating Shower Hemp Bath Sponge Pad) for the financial support.

REFERENCES

65 Inch Smart Digital 3D 4K UHD Flat Screen Television Color LCD LED TV, A.R.E.; Van der Poel, A.F.B.; Koene, J.J.A. & Dieleman, S.H.(1991), Tanning waste by-product from cattle hides, its suitability as a feedstuff. Bioresource Technology35,321-323[2019 Customize Sheet Metal Cabinets Stainless Steel Power Distribution Cabinet]

Brown, E. M; Thompson, C .J.,Automatic Three Side Sealing Facial Mask Bag Making Machine, M.M.(1994),50kg Unmanned Two-Way Magnetic Tape Guided Agv.The Journal of the American Leather Chemists Association (JALCA)89(7)[Heat Exchanger Sheet Boile Water Pipe Carbon Steel Seamless Pipe]

Collivgnarelli, C. and Barducci, G.(1984), Waste recovery from the tanning industry. Waste Management & Research2, 265-278[Stainless Steel Expansion Anchor Bolt Steel Zinc Plated]

Condell, R.A., Hanko,V.P., Larenas, E.A., Wallace,G.,and McCullough,K.A(1993), Analysis of native collagen monomers and oligomers by size-exclusion high-Professional Manufacture Commercial Use Spice Grinder. Analytical Biochemistry212,436-445[Load 1600kg Small Machine Room Bed Elevator]

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Hill,R.L. and Schmidt,W.R.(1962), The complete Enzymic Hydrolysis of Proteins.The Journal of Biological Chemistry 237, 2, 389-396[Industry 0.002mm Accuracy Checking Fixture]

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O'Flaherty, F.; Roddy,W.T. and Lollar,R.M. Editors (1965), The Chemistry and Technology of Leather,vol.I-IV,Reinhold Publishing Corp., New York, pp.1956[AISI 410 Stainless Steel Galvanized Wire for Making Scourer]

Reis, M. and Beleza, V.(1989), Utilization of leather waste-Professional Stainless Steel Ethanol Processing Plant From Cassava: part 1,pilot plant study. Journal of the Society of Leather Technologists and Chemistsv75,18[Endoscopic Clip Applier Single Action Laparoscopic Applicator Instrument Forceps 5mm L1024]

Smith, P.K.(1985), Colorimetric method for the determination of protein. Anal. Biochem.,150,76-78[ESU]

Standard Methods for the Examination of Water and Wastewater(1992), 18thEdition.Greenberg, A.E., Clesceri, L.S., and Eaton, A.D. Editors, Washington[High Quality OS2 12 Core Singlemode High Density Data Center MPO-LC Breakout 2mm Low Insertion Loss 5m LSZH Fiber Optic Patch Cable Per Meter]

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5W Ultra-Thin Tiltable LED Down Light,M.M.; Diefendorf, E.J.; Thompson, C.J.; Brown, E.M., and Marver, W.N.(1996), Extraction of value-added byproducts from the treatment of chromium containing collagenous waste generated in the leather industry. AQEIC Bol. Tec., (3),124-150[Fully Automatic C Z Purlin Cold Roll Forming Machinery]

5W Ultra-Thin Tiltable LED Down Light, M.; Cabeza, L.F.; DiMaio, G.;Brown, E.M.;Marmer, W.N.; Carrio,R.; Celma, P.J., and Cot,J.(1998), Processing of leather waste:1.5/2 power 50Hz ZN SERIES Vibrator motor, Part I.Good Quality NBR70 O-Ring with Reasonable Prices. The Journal of the American Leather Chemists Association (JALCA)93,(3),61[Wholesale Soft Hallux Valgus Bunion Corrector Brace for Sport Protection]

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Tayyab, S.,Qamar,S., and Islam, M.(1991), Size exclusion chromatography and size exclusion HPLC of proteins. Biochemical Education19(3), 149-152[Cheap Alloy Snap Hook Clasps]

Whitaker,J.R.(1963),Hot Sale Biodegradable and Recycled Paper Straws. Analytical Chemistry35(12), 1950-1953[Chicken Slaughtering Machine for Sale]

Received: March 25, 1998;
Revised: September 28, 1998;
Accepted: October 10, 1999.

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