S R Group

HKSA is a lyophilized heat-killed preparation of Staphylococcus aureus, a Gram-positive extra-cellular growing bacterium. HKSA is recognized mainly by TLR2.

a common, fast-acting red dye used in Western blotting to visualize protein bands on membranes (nitrocellulose, PVDF, or cellulose acetate) after transfer, confirming

In this kit. the plasmid DNA was purified rapidly by the modified SDS alkaline lysis combined with the method of selective adsorption of DNA on DNA preparation membrane. It applies to extract up to 20ug of high purity plasmid DNA from 1-5 ml bacterial culture. It has been used in molecular biology experiments such as sequencing. in vitro transcription and translation. restriction endonuclease digestion and bacterial transformation.

Telomere (Telomere) is a DNA sequence at the end of a eukaryotic cell chromosome composed of multiple repeating nucleotide elements (TTAGGG) in tandem. In addition to providing a buffer for non-transcribed DNA, it can also protect the end of the chromosome from fusion and Degenerate, protect chromosome structure stability and genetic integrity. Telomere is the most important and accurate indicator of a person's aging rate. Its initial length is determined by genetic and environmental factors, and will decrease over time. Studies have shown that telomere length is closely related to DNA repair, aging, apoptosis, and tumorigenesis. Therefore, accurate and repeatable measurement of telomere length is particularly important for researchers. This product mainly uses relative quantitative qPCR to directly compare the average telomere length of the sample, that is, the copy number ratio (T/S) of the telomere repeat sequence (Tel) and the genome single copy gene (SCR) copy number (T/S) is used as the telomere relative length. Single-copy gene primers (SCR) specifically recognize and amplify the 78bp long region on human chromosome 11. The primer set in the kit has passed the test to ensure: (1) efficient and reliable quantification; (2) no non-specific amplification. Each set of primers has been verified by amplification curve efficiency (E>98%, R2>0.99), melting curve analysis and gel electrophoresis verification.

EnTurbo™+ SYBR Color qPCR SuperMix is an optimized 2 x Real-time PCR premix containing HotStarTaq DNA Polymerase, SYBR Green I fluorochrome dye, dNTP and Mg2+ and High ROX. In addition, the balanced K+ and NH4+ ion ratios in the buffer promote specific primer annealing, to ensure a highly sensitive and specific PCR reaction, the reaction can be initiated by simply adding the primer and cDNA template to the ready-to-use PCR master premix. The unique PCR buffer ensures sensitive qPCR on all real-time PCR instruments without optimization. |In addition, the product visualizes the spiking process through the color change reaction after the template is added, which greatly improves the spiking efficiency and avoids spiking errors.

a ready-to-use, high-sensitivity dye for rapid protein detection in PAGE gels

Water Detect Coliforms is a chromogenic medium used for the simultaneous detection of total coliforms and Escherichia coli in the microbiological monitoring of water quality.

Legionella spp. is commonly found in water and its detection is crucial to avoid Legionnaires’ disease, a potentially fatal type of pneumonia contracted by inhaling contaminated airborne water droplets.

Liofilchem produces dehydrated culture media with selective supplements, 60mm agar plates suitable for the membrane filtration method and 90mm agar plates to detect Legionella spp.

STERILtest GST E6/E5 self-contained are made of a thermoplastic tube, with a cup permeable to steam, that contains an ampoule with a nutrient broth with a pH indicator and a disc impregnated with Geobacillus stearothermophilus (ATCC 7953) spores in predefined concentrations (E6 = 1-5 x 106 UFC/disc; E5 =1-5 x 105 UFC/disc). These bioindicators are used for regular control of steam sterilization cycles and control of any steam autoclave functionality.
Biological indicators STERILtest GST E6/E5 self-contained are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

Ampoules are biological indicators (BIs) used for regular monitoring of steam sterilization cycles and monitoring of any steam autoclave functionality.
Ampoules may be placed inside representative materials or within the sterilize chamber directly. After incubation, if viable spores are present a color change to yellow and/or turbidity of the medium will result as a consequence of bacterial growth. If no microbial growth occurs (no viable spores), the medium remains red-orange and without turbidity, indicating a successful sterilization cycle.

Ampoules are biological indicators (BIs) used for regular monitoring of steam sterilization cycles and monitoring of any steam autoclave functionality.
Ampoules may be placed inside representative materials or within the sterilize chamber directly. After incubation, if viable spores are present a color change to yellow and/or turbidity of the medium will result as a consequence of bacterial growth. If no microbial growth occurs (no viable spores), the medium remains red-orange and without turbidity, indicating a successful sterilization cycle.

Steam Control GST E6 SS are used for regular control of steam sterilization cycles and validation of sterilizers. These biological indicators use a stainless steel support (coupon) previously inoculated with Geobacillus stearothermophilus (ATCC 7953) spores and enclosed in a steam permeable envelope. The coupons are produced under strictly controlled conditions in order to satisfy the requirements indicated in the current editions of USP and EP and in accordance with ISO 11138 and EN 866 standards.

Biological indicators strips are special filter paper strips, inoculated with Geobacillus stearothermophilus spores (ATCC 7953) in predefined concentrations and contained in a special envelope. These bioindicators are used for regular control of steam sterilization cycles and control of any steam autoclave functionality. Biological indicators STRIP CONTROL GST E8/E6/E5/E4/E3 are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

Biological indicators strips are special filter paper strips, inoculated with Geobacillus stearothermophilus spores (ATCC 7953) in predefined concentrations and contained in a special envelope. These bioindicators are used for regular control of steam sterilization cycles and control of any steam autoclave functionality. Biological indicators STRIP CONTROL GST E8/E6/E5/E4/E3 are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

Biological indicators strips are special filter paper strips, inoculated with Geobacillus stearothermophilus spores (ATCC 7953) in predefined concentrations and contained in a special envelope. These bioindicators are used for regular control of steam sterilization cycles and control of any steam autoclave functionality. Biological indicators STRIP CONTROL GST E8/E6/E5/E4/E3 are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

Spore suspensions are used for regular control of steam sterilization cycles and control of any steam autoclave functionality and they are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

Spore suspensions are used for regular control of steam sterilization cycles and control of any steam autoclave functionality and they are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

Spore suspensions are used for regular control of steam sterilization cycles and control of any steam autoclave functionality and they are produced under strictly controlled conditions in order to satisfy the requirements indicated in the USP current edition and in accordance with ISO 11138 and EN 866 standards.

A beta-lactamase test rapidly detects the enzyme that makes bacteria resistant to beta-lactam antibiotics (like penicillins & cephalosporins) by breaking down their core structure, typically using a chromogenic substrate (like nitrocefin) that changes color (yellow to red/pink) when hydrolyzed, giving fast results (minutes) for guiding treatment, unlike slower standard susceptibility tests. 

The Embraer C-390 Millennium is a medium-size, twin-engine, jet-powered military transport aircraft designed and produced by the Brazilian aerospace manufacturer Embraer. It is the heaviest aircraft the company has constructed to date.^[3][4]

A "Gram Test Stick" (like Liofilchem's) is a rapid diagnostic tool for quickly telling apart Gram-positive and Gram-negative bacteria using a pre-impregnated stick and a special reagent, simplifying the classic Gram stain by producing a color change (blue-violet for Gram-negative) directly from bacterial colonies in minutes, useful in clinical and research labs for early pathogen identification. 

Grams Stain Kit is used for differentiation of bacteria on the basis of their gram nature. The structure of the organism's cell wall determines whether the organism is gram positive or negative. When stained with a primary stain and fixed by a mordant, some bacteria are able to retain the primary stain by resisting declorization while others get decolorized by a decolorizer.

The importance of clean water for health has long been recognized. Yet it is still a problem around the world. Human faecal contamination is one of the major reason for water borne diseases. WHO has recommended regular monitoning of drinking water samples for the absence of thermotolerant coliforms in addtion to absence of E. coli (1). Coliform bacteria may not be adequate as sole indicator of recent faecal contamination since, it has been studied that there is no co-relation between coliform and presence of Salmonella species in water, in tropics (2, 3). The analysis of Salmonella by routine culture method is a lengthy process requiring 3-4 days. However K019 – H2S Test Medium Kit is a rapid, portable and reliable field testing kit for drinking water, prepared as per DRDO formulation.

The ONPG (o-nitrophenyl-β-D-galactopyranoside) test detects the enzyme beta-galactosidase, which helps bacteria break down lactose; the test uses ONPG as a lactose analog, turning yellow if the enzyme is present (positive) because the product, o-nitrophenol, is yellow, helping differentiate bacteria like late lactose fermenters from non-fermenters in microbiology. 

A "Gel Protein Gel (Tris-Gly, 12%, 15 well)" is a precast polyacrylamide gel used for SDS-PAGE (Sodium Dodecyl Sulfate-Polyacrylamide Gel Electrophoresis), featuring a 12% acrylamide concentration for separating proteins by size, a Tris-Glycine buffer system for traditional electrophoresis, and 15 wells to load samples, offering a convenient, ready-to-use format for fast and reproducible protein analysis, common in Western blotting. 

a precast polyacrylamide gel used in SDS-PAGE (Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis), featuring an 8% to 16% gradient for separating proteins of various sizes, using a Tris-Glycine buffer system, and having 10 wells for loading samples, ideal for general protein analysis and Western blotting

Vaseline Intensive Care Cocoa Radiant Body Oil is designed to deeply nourish dry skin using the goodness of cocoa butter. Its non-greasy formula absorbs quickly and leaves your skin feeling soft and hydrated. Perfect for daily use, especially post-shower, it restores moisture and enhances your skin’s natural glow.

Cefoperazone-Sulbactam SCF 105 µg refers to antimicrobial susceptibility testing (AST) discs used in labs to check how bacteria respond to this antibiotic combination, containing 105 micrograms of Cefoperazone (a cephalosporin) and Sulbactam (a beta-lactamase inhibitor) in a 2:1 ratio, helping detect resistance in infections like respiratory, urinary, skin, and abdominal issues by creating zones of inhibition. 

ROX Reference Dye is generally used on ABI, Stratagene and other companies' Real Time PCR amplification machines to adjust the difference between PCR tubes and tubes caused by PCR sample loading errors. This product is suitable for Applied Biosystems 5700, 7000, 7300, 7700, 7900, 7900HT, 7900HT Fast; Applied Biosystems StepOne™, StepOnePlus™ and other fluorescent quantitative PCR instruments using high concentration ROX.ROX Reference Dye is dissolved in a buffer system of 20 mM Tris-HCl (pH 8.4), 0.1 mM EDTA, and 0.01% Tween-20.

Liofilchem® Easy Dry™ culture media are absorbent pads impregnated with a sterile, dehydrated culture medium. Each pad is preplated in a Petri dish and is immediately ready to use after pouring sterile distilled or deionized water on it. Easy Dry™ pads are optimal for the examination of large sample volumes by the membrane filter method.

The Liofilchem® FOOD SYSTEM (ref. 71680) is a 12 wells panel containing biochemical substrata for the detection and presumptive identification of pathogenic microorganisms from foodstuff in just 18-24 hours.

The FOOD SYSTEM is conveniently configured to test two samples in the same panel.

An antibiotic test, or Antibiotic Susceptibility Testing (AST), determines which antibiotics will effectively kill or stop the growth of specific bacteria or fungi causing an infection, guiding doctors to the best treatment, especially with rising antibiotic resistance. Performed in labs using samples like blood, urine, or sputum, common methods involve Kirby-Bauer disk diffusion (measuring clear zones around antibiotic-soaked disks) or automated microdilution to find if bacteria are "Susceptible," "Intermediate," or "Resistant" to various drugs, combating superbugs like MRSA or TB. 

A 1 kb DNA Ladder is a mix of known-size, double-stranded DNA fragments (typically 250 bp to 10,000 bp) used as a molecular weight standard for sizing unknown DNA on agarose gels, featuring brighter reference bands (like 1 kb or 5 kb) for quick orientation and often premixed with loading dye for convenience. 

A polyhistidine-tag is an amino acid motif in proteins that consists of at least five histidine (His) residues, often at the N- or C-terminus of the protein. Monoclonal antibodies specific to six histidine tags can greatly improve the effectiveness of several different kinds of immunoassays, helping researchers identify, detect, and purify polyhistidine fusion proteins in bacteria, insect cells, and mammalian cells.

An E2-Tag Mouse mAb (Monoclonal Antibody) is a highly specific antibody produced in mice that targets the short E2 peptide sequence (often SSTSSDFRDR) from the Bovine Papillomavirus E2 protein, used in research to detect and purify E2-tagged fusion proteins in techniques like Western Blotting, recognizing tags at N-terminal, C-terminal, or internal locations.