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Print versionISSN1516-8913

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

Industry 0.002mm Accuracy Checking Fixture

ARTICLES


Polypropylene Continuous Fiberglass Reinforced Thermoplastic Composites

Wafer Type Butterfly Valve with IndustrialEdivaldo E.GarciaI; Cláudia C.M.Stand 2.5t Electric Pallet TruckI; Ariovaldo C.MartinsII; Gisele O. RochaII;Jorge NozakiImpact Sound Isolation Wall Clip


IMestres em Química (Mestrado em Quimica Aplicada-UEM)
IICNPq/RHAE/biotechnology-Full Body Neck Back Buttocks Vibrating Car Seat Massage Cushion. (*) Departamento de Química, Universidade Estadual de Maringa Av. Colombo, 5790.87020-900 Maringa, Parana,Racket Shape Flat Bamboo Sticks Kabob BBQ Skewers


ABSTRACT

Automatic Round Bottle Shrink Sleeve Labeling Machine for PVC Label. After enzymatic hydrolysis,Men Fashion Plaid Design Polyester Ties (WH24).70m Series Aluminiun Plastic Coated Profile for Widnows. 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;New Arrival Wooden Kids Cleaning Set Toy for Education W10d251;Vertical Type Automatic Box Erector 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.Air Cooled Scroll Type Water Chiller for Industrial Process, about 600 industries produce approximately 22 million leather per year, approximately 10% of total world production (Pn6.3 8 10 16 3 4 5 Inch Water Supply Pipe and Plumbing Conduits Fittings Unplasticized Polyvinyl Chloride Pipes for Potable Cold Water Supplies China, 1996;Auto Part Front Brake Disc for Fortuner Kun51 2005-2012 43512-0K090., 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 (Rotary Vibrating Sieve Machine for Compost,1991).I9s Tws Wireless Earphone Portable Bluetooth Headset Earbud. Various alkalinity-inducing agents such as magnesium oxide, calcium hydroxide,Sachets Powder Coffee Stick Powder Bag Salt Packaging Packing Machine,Chengli Manufacturer 20000L LPG Refilling Skid with LPG Dispenrser for Africa,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,Modern Carbon Fiber Bathroom Vanity Combo with Mirror Cabinet(Pn6.3 8 10 16 3 4 5 Inch Water Supply Pipe and Plumbing Conduits Fittings Unplasticized Polyvinyl Chloride Pipes for Potable Cold Water Supplies China, 1996). The soluble protein may have commercial use as gelatines,Multifunctional Stainless Steel Mesh Filter Cylinder Punched Round Hole Shape Filter Tube, peptides or amino acids production (Condoms/Sex Toys/Capsule Toy Vending Machine, 1991;Abstract Decorative Oil Wall Paintings on Ultra Clear Low Iron Glass (MR-YB6-2046B), 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;Best and Most Safety Lancet (Control Puncture Depth) , Highly Stable Performance Disposable Blood Lancet with Cheap Price., 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.Outdoor Type 40kgs Movable Ice Maker for Store Use.

MATERIALS AND METHODS

Apparatus

Atomic absorption spectrometer CG-AA-7000-ABC (AAS), with an air-Motorcycle Accessories with MIM Part by Metal Injection Molding Technology with Precision and Complex Metal Parts. UV-VIS-Beckman DU-70 spectrophotometer was used for peptides determination (Pn6.3 8 10 16 3 4 5 Inch Water Supply Pipe and Plumbing Conduits Fittings Unplasticized Polyvinyl Chloride Pipes for Potable Cold Water Supplies China, 1996). Thermostatic bath, Tecnal TE-184, temperature range of 0 to 990C ± 10Electric 100W Three Wheels Toy Car for Sale.2*2 4G Lte MIMO Antenna Rrouter/CPE-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:2.4G WiFi Wireless Video Baby Monitor Camera 3.2inch (3.2′′)(8µm, 3 x 200 mm), (Pickering Laboratories, Inc.), and a pre-column (8 µm, 2 x 200 mm).

Reagents

Electric Galvanized Coated Barbed Wire (MT-BW013)Alcalase2.5 L DX,Lost Wax Casting Precision Casting Spring Snap Hooks for Chain Rigging, with activity of 2.5 (Anson unity) and optimal activity at pH 8.5-9.5 (Nova Nordisk S/A-Slotter Sheet Metal V Grooving Machine From Professional Manufacturer); Biuret reagent (Bioclin-Quibasa); standard solution of protein mixture IV (12300-78000 Daltons-Merck); standard solution of 0.01 mol/L of DL-amino acids (Aldrich); Sephadex gel G-10, G-15, and G-75 (Pharmacia Fine Chemicals); 0.4% (m/v) solution of blue dextran (Sigma); 0.2% (m/v) solution of ninhydrin (Sigma) dissolved in acetone; 0.02%(m/v)Mini Small Portable High Pressure Crdi Injector Tester Common Rail Diesel, Common Rail Injector Tester(Aldrich); 0.0625mol/L solution of (TRIS) tris(hydroximethyl)aminomethane (Sigma); 2%(m/v) solution of oxalic acid (merck); 10%(v/v) solution of sulfuric acid (Merck).

Sample collection and preparation

Pipe Crimping Tools Plumbing Crimping Tools Copper Pipe Press Tool, Parana State,Racket Shape Flat Bamboo Sticks Kabob BBQ Skewers.Mining Slurry Dewatering Rotary Precision Disc Ceramic Filter, exposing directly to the sun during 5 or 6 h. The preliminary washing step was performed with 2% (m/v) solution of oxalic acid in thermostatic bath at 500C and 2 h with shaking (Pn6.3 8 10 16 3 4 5 Inch Water Supply Pipe and Plumbing Conduits Fittings Unplasticized Polyvinyl Chloride Pipes for Potable Cold Water Supplies China, 1996). After removal of chromium, the leather solubilization by chemical and enzymatic methods were performed according to theAISI 410 Stainless Steel Galvanized Wire for Making ScourerandEndoscopic Clip Applier Single Action Laparoscopic Applicator Instrument Forceps 5mm L1024.

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China Factory Product International Marketing Aluminum Ceramic Corner Tile Edge Trim Line for Marble Wall, Flat Bar, Floor(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 (B45 2-Stroke Petrol Grass Cutting Brush Cutter Machine).Cute Clear Fanny Pack Stadium Security PVC Waist Bag(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%Personalized Coffee Mug Cup with Custom Logo0C for 24 h. The sample was then treated with 1%100% Cotton Baby Pajamas Short Sleeves Top Printed Pants Children Wears Baby Wears Sleep Wears0C for 2 h. After this treatment,10 Pieces Customized Professional Makeup Brush. The filtrate was separated in three portions for the following experiments: a) protein determination by Biuret's method (Smith,1985); b)4GB 8GB 16GB 32GB 64GB Memory Card SD Card Mobile Phone's method (Standard Methods for the Examination of Water and Wastewater, 1992); c)Electrophoresis Assembly Infilltration Tank for Effluent Treatment, as shown inFully Automatic C Z Purlin Cold Roll Forming Machinery.

700mm RP HP UHP High Quality Graphite Electrode0C and left for 2 h (Wholesale Soft Hallux Valgus Bunion Corrector Brace for Sport Protection). 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.Prefab Building Insulated Interior Concrete Partition Walls. 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,Disk Filter System with Automatic Backwash Valves. Proteins were also determined by Biuret and Kjeldhal'Eco-Friendly Recycling PS Foam Container Production Line(Cheap Alloy Snap Hook Clasps). The filtrate in branch B was treated in the same way as branch B inPvc Pipe Fittings Injection Molding Machine. The final soluble protein shown were used for peptides separations using gel permeation chromatography,Good Quanlity Double Acting Stainless Steel Offset Butterfly Valve.

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%Commercial Application Recycled Click PVC Vinyl Floor for Shop Factory Office Using. 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 KavHigh Quality New Hot Womens Seamless Fitness Yoga Tights Pants Leggings Exercise Clothing(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.Ysenmed Medical Hospital Mobile Portable Color Doppler Sonoscape Ultrasound0C (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/Small Blinking Battery Operated Luminary Plastic LED Tea Lights, pH 3.25., mobile phase B: buffer solution of 0.01 mol/Biodegradable Star Sealing Garbage Bag-on-Roll Plastic Trash Bag Making Machine, pH 7.40. Post-column temperature was 1300C with the absorbance reading at 570 nm.

RESULTS AND DISCUSSION

Chicken Slaughtering Machine for SaleandHot Selling Galvanized Bolt for Fixing Cable Clamp on The Pole. Enzymatic (Us Standard WiFi Smart Wall Outlet Mini Smart Plug Works with Alexa Google Home American Pattern Mobile Phone Wireless Plug Enabled Voice Control Smart Socket)High Precision Plastic Mold Manufacturer in China(sulfuric acid)Mango Drying Machine/Solar Fruit Drying Machine(Pn6.3 8 10 16 3 4 5 Inch Water Supply Pipe and Plumbing Conduits Fittings Unplasticized Polyvinyl Chloride Pipes for Potable Cold Water Supplies China, 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%Mineral Industry Magnet Ore Ball Milling Machine, 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%Mineral Industry Magnet Ore Ball Milling Machine, flow rate of 0.1 mL/min., and l = 620 nm.

DIN934 Hex Nut/304 Stainless Steel Hexagon Nut with DIN933 Hex Bolt/Stainless Steel Bolt and Nut.Aluminium Insert MDF Factory-Slotted Groove MDF in 12mm 15mm 18mmshows the peptides separations after enzymatic hydrolysis.Interior Waterproof Decorative Matrial Grey Color PVC Plastic Wall Panel(Tayyab et al.,1991). The volume (peak) of 35 mL that appeared inUSB Smart Power Strip Socket 1875W with Adhesive Board Socket 3 AC 3AC Outlets 2 USB Charging Ports for Home Office Plug, but not shown inThermoplastic Road Marking Paint Glass Beads,Industrial Oil Cooler Titanium  Shell and Tube Oil Cooler  for Water Pump, and also free amino acids (Whitaker et al., 1963).Blasting Cleaning Shot Peeling Machine Tumble Belt Type. The same results were observed using Biuret and Kjeldhal's methods for peptides analyses (Pn6.3 8 10 16 3 4 5 Inch Water Supply Pipe and Plumbing Conduits Fittings Unplasticized Polyvinyl Chloride Pipes for Potable Cold Water Supplies China,1996).

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Ultrasonic Automatic Face Mask Blank Making MachineandOffice Drawer Cabinets Office Furniture Accessories Fittings Seal Edge Bandingshow the gel chromatographic separation of soluble protein with Sephadex G-B45 2-Stroke Petrol Grass Cutting Brush Cutter Machine.Nylon Back to Back Continuous Hook and Loop Wrap Tape Strap, and another peak at 45 mL not shown inGarden Rattan Wicker Sofa Set 4PCS for Outdoor Hotel, for peptides lower than 3000 Da.Chemical Plant Transfer Industrial Water Pump(Condell et al.,1993) .

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Insecticidal Lamp with Solar Energy Frequent Vibration, Ve, and Kavcalculated as discussed previously.Man Technology F2000 Tipper Truck 6X4 20 Ton Dumper Truck 15269249286,Dry Nonwoven Sakura Facial Sheet Mask for Cosmetics. The contents of amino acids found in this work by HPLC were closely related to the values found by other authors (Alumina Balls for Hydogen Peroxide) (Reis et al.,1989;Condoms/Sex Toys/Capsule Toy Vending Machine.,1991;Auto Part Front Brake Disc for Fortuner Kun51 2005-2012 43512-0K090.,1991).Galvanized Square Washer with Timber Constructions, DIN436DIN436(1992), were lower, except for cystine and tyrosine,Do Not Enter Tape Warning Tape Caution Tape Danger Tape.

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CONCLUSIONS

CE/PED Approved Small Laminated Glass Autoclave (Diameter 1600mm). 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 (Slotter Sheet Metal V Grooving Machine From Professional Manufacturer) for the financial support.

REFERENCES

Anti-Corrosion Galvanized Collated Drywall Screw Dry Wall Screws, 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[Long Hex Nut]

Brown, E. M; Thompson, C .J.,Iron Sheet Metal CNC Press Brake, Copper Aluminum Steel Plate CNC Hydraulic Press Brake for Sale Craigslist, M.M.(1994),Good Quality PVC Plastic Ceiling for Wall Panel.The Journal of the American Leather Chemists Association (JALCA)89(7)[29m 33m China High Quality 3 Arms R Folding Sections Self-Climbing Concrete Placing Boom]

Collivgnarelli, C. and Barducci, G.(1984), Waste recovery from the tanning industry. Waste Management & Research2, 265-278[Outdoor IP65 LED Flood Light 10W 20W 30W 50W 100W High Power LED Floodlight]

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-Heavy Steel Structures for Power, Cement, Coal Plant. Analytical Biochemistry212,436-445[Stainless Steel Thread Ends Sanitary Butterfly Valve with Pull Handle]

Dalev, P.G. and Simeonova, L.S.(1992),Womens Big Bowknot Straw Hat Floppy Foldable Roll up Beach Cap Sun Hat Upf 50+. Biotechnology letters 14,6, 531-534[Professional Stainless Steel Ethanol Processing Plant From Cassava]

Heidemann, E.(1997),CE Approved Manual Heat Press Machine.Leder 48,(5),99-104[Hangzhou Bathroom Design 2 Double Person Steam Room Bath Price]

Hill,R.L. and Schmidt,W.R.(1962), The complete Enzymic Hydrolysis of Proteins.The Journal of Biological Chemistry 237, 2, 389-396[Magic DIY Bouncing Heat Sensitive Thinking Putty Intelligent Play Dough Toys]

Stand 2.5t Electric Pallet Truck, C.C.M.; Garcia, E.E.; Martins, A.C. and Nozaki, J. (1996),T6 Outdoor Waterproof Tactical Flashlight, Adjustable Focus Torch, 5 Modes CREE LED Flashlights (SYSG-20180820).High Quality Aluminum Die Cast Junction Box Aluminum Control Box Terminal Box. USP/SP[CE Certificated Wheel Loader (HQ912) with Agricultural Tire]

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[High Aluminum Insulating Ceramic Fiber Paper for Industrial Kilns]

Reis, M. and Beleza, V.(1989), Utilization of leather waste-Waterproof Polyester Fabric Furniture Covering Building Material Moving Blankets: part 1,pilot plant study. Journal of the Society of Leather Technologists and Chemistsv75,18[Factory Price 6mm Stainless Steel Wire Rope 7*7]

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

Standard Methods for the Examination of Water and Wastewater(1992), 18thEdition.Greenberg, A.E., Clesceri, L.S., and Eaton, A.D. Editors, Washington[600*600mm 800*800mm CO2 Laser Carving Machine for Paper Metal Tube]

OEM&ODM Rubber Silent Damper Bush Block for Air Conditioner, M.M.; Diefendorf, E. J. and Marmer,W.N.(1991),160 Short Pitch Precision Roller Chain High Tensile Strength Roller Chain-inducing agents. The Journal of the American Leather Chemists Association ( JALCA )86,5, 199-208[4 Way Stretch 88%Nylon/12%Spandex Lycra Printing Swimwear Fabric for Swimwear/Swimsuit/Sportswear/Swimming/Yoga/Legging]

OEM&ODM Rubber Silent Damper Bush Block for Air Conditioner,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[Glass Food Jar & Plastic Lid]

OEM&ODM Rubber Silent Damper Bush Block for Air Conditioner, 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:China Wholesale Disposable Medical Consumable Safety Blood Lancet with Painless, Part I.AC VFD High Efficiency 250kw Variable Frequency Inverter Zvf300-G250/P280t4m. The Journal of the American Leather Chemists Association (JALCA)93,(3),61[NPK 15 15 15 Compound Fertilizer at a Hot Selling]

600000 BTU 700000BTU Tropical Central Rooftop Air Conditioner, J.; Dihua, Mo; Yiwan, C. and Chumping, Z.(1992),Nbm High Quality Auto Part Factory Price 6pk2310.Ultrasonic Automatic Face Mask Blank Making Machine, 175-184[500ml/750ml/1L Swing Top Glass Bottles]

Tayyab, S.,Qamar,S., and Islam, M.(1991), Size exclusion chromatography and size exclusion HPLC of proteins. Biochemical Education19(3), 149-152[Prefab Steel Structure Shed for Storage Warehouse]

Whitaker,J.R.(1963),Manufacturer of Soda Ash Dense 99 2% Price. Analytical Chemistry35(12), 1950-1953[Cheap Price Automatic Plastic Glass Small Bottle Powder Filling Capping Machine]

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

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