syringe filter function
1.Filtering solvents through filter membrane. However, you have to note that syringe filters are either disposable or reusable. With low extractables and low analyte-binding membranes, Millex syringe filters are the most convenient, highest-quality syringe filters for sensitive instrumental analyses, including gas, liquid, and ion chromatography. For the 47mm disc microporous membrane, you can use it in the membrane filter, Buchner funnel, pressure vessel, etc. To determine this, representative samples with low quantities of UV-detectable extractables are evaluated using a highly sensitive HPLC approach. Axiva Lab is an ISO certified company that manufacture Syringe Filters. These filter devices are used to remove particular materials from the solution. Millex-GV Filter, 0.22 m.
The plunger can be linearly pulled and pushed along the inside of the tube, allowing the syringe to take in and expel liquid or gas through a discharge orifice at the front (open) end of the tube. The pipette controller syringe is a Hamilton Gastight Luer Tip syringe modified with a special free-sliding, thumb-wheel plunger. The 25mm syringe filters can filter up to 100 mL of sample with a retention volume of less than 100 uL. These work by using a membrane with a particular pore size to catch any solids within the samples. Syringe filters (or wheel filters) are a single-use filter cartridge locate at the end of a syringe. Low Protein Binding Syringe Filters. It is attached to the end of a syringe for use. Use the icon at the top of each column to filter and sort the table. Filtration cartridges. How to Choose Right Syringe Filter Filter Membrane MaterialsCellulose Acetate (CA)Glass Microfiber (GMF)NYLON (NY)Polyethersulphone (PES)Polypropylene (PP)Polytetrafluoroethylene (PTFE)Polyvinylidene Difluoride (PVDF)Regenerated Cellulose (RC) Cost savings and convenience with reusable sterilizer filters. Syringe filter is mainly used for sample pre-filtration, clarification and removal of particles, liquid and gas sterilization filtration. Syringe filters are quite suitable for Schlenk line work, which makes extensive use The filter size depends highly on the filtration volume. Choose from in 1, 3, 5, 10, 20, 30, and 50 mL sizes. The internal wall of the canal is very delicate and allows the fluid to filter due to high pressure of the fluid within the eye. Trade Name. Pall Laboratory syringe filters come in sterile and non-sterile versions and are supported by the companys global supply chain and To alleviate this bottleneck, we have developed facile syringe filter-enabled strategies for bacterial separation, enrichment, and buffer exchange from urine samples. Non-sterile Diamond PureFlow syringe filters are perfect for use in a wide range of filtration and sample applications where sterility is not needed. Vials and caps. How to use a syringe filter for optimal performance and cost efficiency. Non-sterile filters are used in analytical chemistry for sample preparation, HPLC operations, and protecting analytical equipment from particle contamination. Comprehensive range of membranes Utilising the standard Luer-lok/Luer connections, Syringe Filters are available in 0.22 and 0.45m porosities and 4, 13, 25 and 30mm diameters. These tables show five common syringe filter materials -- Cellulose Acetate (CA), Nylon, PES, PTFE, and PVDF -- and their compatibilities with 75 common solvents. 3. Syringe filters come in a variety of membrane types. Our filters are clean and safe as they are almost free of leachables and exractables and ultralow Getting started; Syringe Filter; Syringe Filter - Manufacturers, Factory, Suppliers from China. Syringe filters are not all created equally either. - Copper sulphate @:- 50% Ammonia solution @:- Filter paper strips @:- Syringe 8. Syringe filters, Life Sciences applications, Nalgene. Results: The 0.22-micron filter proved significantly This allows cultures to be shaken in order to agitate and break up the mycelia. It has good effects on protecting chromatographic column, infusion pump pipe, and sample valve from being polluted. Choose from our wide assortment of filters to suit your application. What are syringe filters? The use of a needle is optional; where desired it may be fitted to the end of the syringe filter. Mouser offers inventory, pricing, & datasheets for Syringe Solder. In summary, besides the above description of the features and advantages of the sterile syringe filters, the syringe filters main function is remove particulates from a liquid sample, so we need to choose one based on the end application. Chat Now! The hydrophobic Steridyne polyvinylidene fluoride (PVDF) membrane filter is 0.2 m absolute-rated for the sterile filtration of air and gases. Syringe Filters for Extractables. HPLC and UHPLC. The intestinal epithelium is a single layer of cells lining the gut lumen and has two critical functions. This pressure rating is tested on Smart Filtering As you select one or more parametric filters below, To use the less than or greater than function, please select a value first. Push It to the Limit! shiftingshadows and MushLuvR like this. It is quick to add and remove from the syringe.
Syringe filters are disposable devices that are equipped with filter paper. The Camlab choice coloured filters are available with two different pore sizes, and in three different membrane sizes. It can be found in cotton-like end uses, as well as sumptuous velvets and taffetas. Whatman Anotop HPLC syringe filter products from Cytiva's business are specifically designed for effective UHPLC and HPLC sample preparation. Syringe Filters for HPLC/HPLC Mobile Phase Filtration. The purpose of the syringe filters should be to create a stable environment to ensure the validity Intro. ADAMAS-BETA PTFE Syringe Filters Lab Disposable Filters. Air locks can seriously hamper flow rates. with the vacuum pump and The present invention relates to a disposable syringe having a safety filter function. In Stock. The housing of the filter is made of polypropylene LC is a really fun and worthwhile skill to develop. 0.2 or 0.45 micron pore size. The Syringe Filter is available in all versions like NYLON, PTFE, PVDF, PES, C. A.,G. It's simple to use a Syringe filter. But there seems to be a probability of losing some proteins in the filter itself. General Purpose Laboratory Syringes. These syringe filters are the perfect solution for the gas exchange of liquid culture jars. Provides an excellent barrier for sterile venting of. Minisart NML Syringe Filters provide the optimal method for clarification and sterilization of liquids, robustly removing bacteria and particles, without any impact on product quality or loss of target molecule. Labfil syringe filters use PES (Polyethersulphone) with very wide chemical compatibility and excellent flow rates. Syringe Filters set, 0.22 micron gas exchange filters for liquid culture lids.
After loading the sample into the syringe, gently twist the filter onto the syringe. It is suitable for the filtration of a small amount of samples in the laboratory. Active. A. Syringe filter glass fiber pre-filtration membrane (GF): used to improve the filtration rate and continuous filtration; glass fiber filter membrane is a deep layer filtration, its main purpose is to be used as a pre-filtration layer directly on the filter membrane. A syringe filter, commonly known as a wheel filter, has a cartridge mounted on the tip of the syringe. 50 mm diameter. Background Information. Tel : 886-2-29964887; Fax : 886-2-29965381; The maximum operating pressure listed in the product literature is well below the actual burst pressure.
From $ 47 65 $ 48 06 Save $0.41. Methods: In a self-matched control design with blinded laboratory testing, injection drug users were asked to use 3 filters in random succession when loading their syringes with drug solute. They are cheap and is used in small volumes compared to the complex set up of Buckner filters. Johnson Test Papers' Syringe Filters are disposable and ready to use filtration units that are competitive quality filters and well packaged. Push It to the Limit! The syringe filter is mainly applied for filtration of mobile phase and sample when in chromatographic analysis. Having a positive and progressive attitude to customer's fascination, our organization constantly improves our solution high-quality to fulfill the requirements of shoppers and further focuses on safety, reliability, environmental prerequisites, and innovation of Syringe Filter, Custom Syringe filters are commonly used for filtering small volumes of sample prior to further processing, for example analysis by HPLC. Everything relating to Syringe Filters: compilations of facts, news, background knowledge, product information and market trends can be found here in the form of a comprehensive, up-to-date dossier. Alibaba.com. Multiple Sizes, Materials & Uses, Customized Solutions Minisart Syringe Filters: The Industry Leading Syringe Filter - Turning Science into Solutions. RoHS Compliant. It protects the skin of the human ear canal, assists in cleaning and lubrication, and provides protection against bacteria, fungi, and water.. Earwax consists of dead skin cells, hair, and the secretions of cerumen by Syringe Filters for DNA and DNA Extraction. The particulate size that a filter can block is tightly linked
A Syringe-Filter-based Portable Microreactor for Size-selective Proteolysis of Low Molecular-weight Proteins. MS UF Cartridge Filter. Description: The Acrodisc WBC premium syringe filter is ideal for use in the capture and recovery of leukocytes and the separation of red blood cells. Sterile syringe filters are used to sterilize non-sterile solutions or A syringe filter consists of a housing (mainly PP) with a membrane disc inside that filters the medium.
Syringe filter removes particulates that could cause damage, supporting longer column life Low levels of UV-absorbing extractable substances for consistent HPLC sample preparation Production Function of Aqueous Humor. Our POREX Virtek reusable filters function in two ways: as a vent to allow pressure equalization during the sterilization process, and as a filter barrier to bacteria during subsequent storage. This test is a quality and safety test to ensure the Acrodisc syringe filter housings will not rupture at their rated operating pressures. Description: These sterile syringe filters are ideal for sterilising (0,2 ) or clarifying biological solutions, such as cell culture and microbial media, reagents 1 - 16 of 33. Nylon membranes are used for general laboratory filtration of HPLC samples prior to injection. Syringe filters are single-use, membrane-based devices used for the removal of particulate impurities from liquid and gas samples prior to analysis by methods such as HPLC, ion chromatography, gas chromatography, ICP, and dissolution testing. Available in both 13 mm and 25 mm formats, the syringe filters contain a hydrophilic polyethersulfone (PES) membrane that has undergone several washing steps ensuring the product has low conductivity detectable extractables. If a syringe filter is not utilized, the findings may be affected. and performing multiple functions including size-exclusion of LWPs, trypsin digestion and filtration in a single injection step of protein samples. Whatman Uniflo Syringe Filters are disposable filter units designed to provide clean filtrate from small volumes up to 100 mL. Syringe filters are generally a necessary laboratory supply that may be applied over a broad spectrum of research laboratory procedures. Acrodisc syringe filters are tested for resistance to pressure. Syringe filters, analytical filtration. Connections: 6 to 12 mm or 7 to 13 mm hose barbs. Diamond PureFlow sterile syringe filters satisfy requirements of life science applications for sterilization of solutions or clarification of biological fluids. Click on the "Contact Website or Email" link to contact the training provider. Syringe Solder are available at Mouser Electronics. Since the PTFE CR Acrodisc Syringe Filter has been validated for compatibility with common HPLC solvents using recognized HPLC processes, you can depend on it to function with HPLC. As I understand, syringe filters readily allow for gas exchange, but liquids will only pass through under pressure. For larger volumes, Acrodisc, Syringe Filter, PVDF, 13 mm, 0.45 m, Protein, 1000/pk is also available. High level endotoxin, bacteria, and spore removal make these filters ideal for a variety of water purification or process fluid applications. Superior filter areas up to 6.2 cm 2. If poor peak shapes become evident by badly tailing and splitting, without a change in retention time, blocked frits or a column void has occurred. Syringe Filters are available in a wide selection of membranes, including Nylon, PTFE and PVDF, supporting all common sample preparation applications. IKEME Precision Weighing Balance Function For Chemistry Lab. The following are ways you can help prevent an infection:Wash your hands often. Use soap or an alcohol-based hand rub to clean your hands.Limit contact with the catheter. Do not touch or handle your catheter unless you need to care for it.Keep the area covered and dry. Keep a sterile dressing over the catheter site. You need the vent, for the PC process, for GE, and to be able to pull LC from the jar. Filtering liquids, the single-use devices force liquids through the filter either when fluids are initially drawn or delivered. Syringe Filter Applications. The syringe filter is widely used for sample small amout filtration in the laboratory. Additionally, syringe filters can also filtrate gases and bacteria in a sample. We offer an extensive range of disposable syringe filters, categorised in different families. What size syringe filter do I need? This is what a sterile syringe filter is for. Design Features Absolute ratings from 0.04 m to 0.6 m Palls IC Acrodisc syringe filters have been optimized for ion chromatography sample preparation applications. This PES membrane filter is permanently hydrophilic, with broad chemical compatibility and extremely low extractable levels in a wide range of fluids and applications. Syringe Filters for Organic Solvents. Pall Laboratory syringe filters come in sterile and non-sterile versions and are supported by the companys global supply chain and These reusable filters, comprised of sintered polytetrafluoroethylene (PTFE), are engineered and designed to The maximum operating pressure listed in the product literature is well below the actual burst pressure. with the development of the Acrodisc syringe filter. Sale. Multiple Sizes, Materials & Uses, Customized Solutions Minisart Syringe Filters: The Industry Leading Syringe Filter - Turning Science into Solutions.
The membrane is available in two product forms: filter plate and syringe filter. To filter the fluid, a syringe filter is placed in front of the syringe. Position syringe filter over suitable collection container or other apparatus and apply pressure again to filter sample. Most syringe filters with come with the standardised Luer fitting either Luer Lock or Luer Slip. The commonly used microporous filter membrane is generally a disc filter membrane, such as a 25mm disc microporous filter membrane, which can be used with a syringe filter connected to a syringe. Filtration multi 96-well plates. F. etc. About-us; Products; Certificates; Test report; Catalog; FAQ; News; Contact Us; Video; Contact Us. Exapure syringe filter 25mm 0.2m PTFE membrane 0.50 0.49 ex VAT Millipore Stericup filter unit 150ml capacity 0.22m (PES) membrane sterile SCGPU01RE Demi chen. Syringe filters (or wheel filters) are a single-use filter cartridge locate at the end of a syringe. Luer Slip will fit on to any Luer fitting syringe. Choose from our wide assortment of filters to suit your application. (1) Compared with traditional filters, the product is specially designed to withstand large blasting pressure which is not easy to crack. (rest cut off) may be used instead of a needle and syringe. Labfil Syringe Filters. Search Products & Suppliers Product Directory Multi-Function Packing Machine; Tiller; Pharmaceutical Equipment & Millex . Two ships, take a syringe, remove the plunger, stuff tight with polyfil. Objectives: Three filters were tested for in situ efficacy in reducing bacterial contamination associated with injection drug use. Syringe Filter, Glass Microfibre (GMF, 1.2um, 30mm What is the function of air vent filter? In addition, the humanized design makes the operation handier. A syringe filter (sometimes called a wheel filter if it has a wheel-like shape) is a single-use filter cartridge. This test is a quality and safety test to ensure the Acrodisc syringe filter housings will not rupture at their rated operating pressures. The membrane has a super strong cation exchange capacity to process samples with fast flow rate and does not affect the binding and recovery, and its adsorption capacity per hole can reach 0.29mg lysozyme/well. They are also able to be autoclaved. It may function successfully in absorbent hygiene and incontinence pads and equally well providing strength in tire cords. The 17mm and 30mm syringe filters have a polypropylene housing, which allows them to withstand higher temperatures than an acrylic housing. It is critical to evaluate filtration efficiency to understand whether the filter performs to the expected standard.
Syringe filters may have Luer lock fittings, though not universally so. pulmonary function and immunology. Air Locks. General-purpose syringes are used in many laboratories and other workplaces for drawing up and expelling liquids or suspensions. The accessible filtration design allows for clot examination and reservoir cleaning for more filtrations. Particles easily damage an HPLC due to the narrow bore and high pressures within. New Products. The effective filter size depends, in part, on the level of exercise the subject is undertaking, and may be affected by normally closed arteries opening to shunt blood across the lungs.
The mice are housed in standard shoebox cages with or without filter tops. Sartorius offers Minisart syringe filters for a wide range of applications, including sterile filtration. How Does It Work? The unique membrane structure of MS Hollow Fiber Ultrafiltration(UF) cartridge filters provides consistent and verifiable pyrogen removal that surpasses traditional, absolute-rated membrane filters. Hope some of this info is helpful. Return to top. Thin layer chromatography (TLC) Gas chromatography (GC) Bioanalysis.
EMT Administration of IM Epinephrine via Syringe (CME Approval CT-14-158, 3 hrs) EMT IM Epi From $ 37 39. 4. These filter papers are available in different pore sizes, ranging from 0.2 m 0.45 m. They come mainly in 0.45 m pore size, 30 mm diameter ,and in packs of 50 and 500.
Which syringe filter should I use? Well, I am trying to use syringe filter for means of sterilisation of 0.22 micrometers. 2.Filtering samples through syringe filter. Our range includes filters with a diameter of 3 mm to 50 mm in the common porosities and with a wide variety of membrane materials. Join Free For Buyer.
Sign In. Description: Available with either PP, PTFE or nylon membrane. Sartorius offers Minisart syringe filters for a wide range of applications, including sterile filtration. The FlowSaver is compatible with Triever Catheters and includes a 40 micron filtration system, a clot reservoir, and a 60cc collection syringe. 3.Utilizing a 0.5 m in-line filter to trap injector and pump particulates. It can also be used to sterilise high-quality additives such as hormones, vitamins, antibiotics or, for example, purified DNA. Also for sterile filtration of air and gases. Phenex-RC 4mm Syringe This pressure rating is tested Supplier: VWR Collection. Supplier: Thermo Fisher Scientific. 33mm diameter for samples <250ml. It is mostly used in laboratories to inspect liquid solutions. $878.00 - $918.00 / piece. A syringe is a simple reciprocating pump consisting of a plunger (though in modern syringes, it is actually a piston) that fits tightly within a cylindrical tube called a barrel.
Order) Chat Online. Stick that in one of the ships first. Filter aggressive chemicals, including acids and non-aqueous solvents, such as those used in GC and HPLC with the Thermo Scientific Nalgene 50mm Inline Syringe Filter with PTFE membrane. Whether you are analyzing a human, animal or plant cell culture in the laboratory, field or for research, its important to select the correct syringe filter for your cell culture application to ensure optimal performance and avoid contamination, sample leakage, binding and clogging. Syringe filters. Sartopore 2 XLM is the most powerful filter in the market and is fully validated as sterilizing grade filter (according to ASTM) and Mycoplasma removal. Syringe filters come in a variety of membrane types. Use these all-plastic disposable syringes with your Titan3, Target2, and Choice Basic syringe filters. STARLAB International GmbH Neuer Hltigbaum 38 22143 Hamburg Germany Fax: +49 (0)40 675 9939 20 Authorised Managing Director The Syringe Filter Market size is expected to grow at an annual average of 7% during 2021-2027. Comprising a polypropylene barrel and polyethylene plunger, these syringes eliminate problems with rubber or synthetic plunger gaskets and requires no silicone or oil lubricant in the barrel. Offers the most inert syringe filter and helps eliminate unwanted secondary interactions with the filter housing; E Ultrasonically Welded Ensures robust housing - filter integrity; Featured Phenex Syringe Filters. Wide chemical compatibility enables their use with virtually any sample composition. Syringe filters can have luer lock fittings for a secure fit to the syringe. It is attached to the end of a syringe for use. The most important function of syringe filters is to block and remove particulates from the sample matrix. (2) The edge part of the filter is threaded, which can play an anti-skid role. The particles filtered by the lungs include agglutinated white and red blood cells, fat droplets, and droplets of amniotic fluid during pregnancy. Syringe filters can have luer lock fittings for a secure fit to the syringe. Filter tops prevent cross contamination of mice limiting the spread of disease and keep facilities clean. Syringe Filters for Metals Analysis. BioVision develops and offers a wide variety of products including assay kits, antibodies, recombinant proteins & enzymes, and other innovative research tools for studying Apoptosis, Metabolism, Cell Proliferation, Cellular Stress, Cell Damage and Repair, Diabetes, Obesity and Metabolic Syndrome, Stem Cell Biology, Gene Regulation, Signal Transduction, etc. They are available in a variety of membrane choices with a polypropylene overmold housing, and include both sterile and non-sterile options. I have never seen a full size SFD fail. Simply slip the filter onto the end of your syringe. A syringe filter (sometimes called a wheel filter if it has a wheel-like shape) is a single-use filter cartridge. Syringe filters may have Luer lock fittings, though not universally so. PTFE Vent Filter Options: Sterile or non-sterile. The scope of application includes: Kinase detection Acrodisc syringe filters are tested for resistance to pressure. There are so many solvents and syringe filter/membrane materials that it can be tough to remember which combinations are safe and which are corrosive. Syringe filters may be used to remove particles from a sample, prior to analysis by HPLC.
The high-performance proprietary membranes are the heart of a comprehensive family of syringe filters offering a full range of sizes, volumes, and flow rates. Syringe Filter from Guangzhou Ikeme Technology Co., Ltd.. Search High Quality Syringe Filter Manufacturing and Exporting supplier on Alibaba.com. Request your FREE Millex filter sample! Introduction. 1 piece (Min.
The 13mm filters can filter 5 to 10 mL of sample and have a retention volume of only 28 uL. The syringe is supplied with 41 mm (1-58) of clear vinyl tubing, 3 mm ID (0.125) x 6 mm OD (0.250), to attach a pipette to the syringes luer tip. Earwax, also known by the medical term cerumen, is a brown, orange, red, yellowish or gray waxy substance secreted in the ear canal of humans and other mammals. The main selection criteria for your syringe filter membrane is solvent compatibility and application (specifically, if you are concerned with protein binding). Products and replacement parts for use with laboratory syringes; includes syringe caps, tubing, cleaning products, and replacement parts such as needles, barrels, and plungers. Available in 4, 13, 25, 33, and 50 mm diameters with a variety of membranes, Millex sterile syringe filters are ideal for sterilizing organic solvents, aqueous solutions or air/gas.
These syringe filters have proved themselves in applications such as sample clarification prior to HPLC, IC or ICP analysis. Select syringe fitting. Posted 07 March 2022 - 04:39 PM. Order: 1,000 Pieces I started with the airport syringe method. China PTFE Syringe Filter, Find details about China Syringe Filters, Sample Preparation from PTFE Syringe Filter - Biocomma Limited. Description. Come built into many refrigeratorsProvide ongoing filtration of water for drinking and making iceReduce sediment as well as chlorine taste and odor; some types also filter lead, mercury, cysts and moreTypically use carbon filtration Spirit Syringe Filters are non-sterile. Translations in context of "GLUE SYRINGE" in english-indonesian. Change filters when flow becomes too slow or resistance becomes excessive. HERE are many translated example sentences containing "GLUE SYRINGE" - english-indonesian translations and search engine for english translations. Flash chromatography / LC adsorbents. Normally Stocked. Tisch Syringe Filters. ADAMAS-BETA Lab Syringe Filters 0.22m/0.45m 13mm/25mm Canned Hydrophilic PTFE/Q Filter Membrane Non-sterile Laboratory Syringe Needle Filter. Product Code: CA2600-19 Syringe Filter, Glass Microfibre (GMF, 1.2um, 30mm. Thermo Scientific Nalgene. Verify that you have the correct type of syringe.Insulin syringes are intended for insulin administration only. Your syringe should be able to hold a little more than the required amount for the dose. Your doctor or pharmacist should have trained you on proper administration of the drug, including the type of syringe and needle recommended. More items Syringe Filter, Ethylene Oxide Sterilization, Accept OEM/ODM, High Performance Efficiency Syringe Filter FOB Price: US $0.1-0.8 / Piece Min. Description. Syringe filters are used to help filter samples containing solid particles, into sample tubes for analysis. For small volumes (< 1 ml), syringe filters with a diameter of 3 mm are used for medium volumes (1-10 ml), 15 mm and for large volumes (> 10 ml) 25 mm. Characteristics of syringe filters. I have some now with self stick filters, I m going to syringe filters for lc.
An absolute-rated PVDF filter for pharmaceutical gases as well as fermentor air and sterile vent filtration also ideal for filtering many low surface tension chemicals and solvents. The use of a needle is optional; where desired it may be fitted to the end of the syringe filter.
While the primary function of a syringe filter is to remove particulates from a liquid sample, you will select either a sterile or non-sterile filter, depending on the end application. Microsoft Internet Explorer 6.0 does not support some functions on Chemie.DE SLGV004SL. Additional Sources of Information. ADAMAS BETA Lab Microporous Membrane Nylon/MCE/PES/PTFE Filter Film Hole Diameter Each case of Acrodisc, Syringe Filter, PVDF contains 100 filters, with a pore size of 0.45 m and a diameter of 13 mm, with a hold-up volume of >30 mL. HPLC syringe filter has low adsorption of samples, thus ensuring the recovery of small or high-value samples. The 17mm and 30mm's have a maximum operating temperature of 180C.
Water Designated as Essential Function during COVID-19 Emergency; State Water Control Board in CA COVID-19 Survey; Good article on younger kids not showing signs of COVID-19; Need supplies? They tend to be generally utilized in the preparation of aqueous and organic solutions, in which it is important to have quick and efficient filtration. The high-performance proprietary membranes are the heart of a comprehensive family of syringe filters offering a full range of sizes, volumes, and flow rates. Syringe Filters for Cell Culture.
Syringe Filters. necessary to take an abundant amount of water for the body that assist to take healthy to our immune system and other function accurately. Vent filters function like standard syringe filters, but the built-in connection options make it easier to hook them up as part of a venting separation process. Syringe filters are attached to the end of a syringe to remove particles from a sample prior to analysis. By selecting appropriately sized filter membranes, we separated bacterial cells from background particulates in urine samples and achieved up to 91% bacterial recovery after such 1-step filtration.