tender for purchase of chemicals , purchase of chemicals , rneasy plant mini kit size: 50 preps rneasy plant mini kit is a silica membrane-based system designed for isolation of high-quality total rna from plant tissues. it efficiently removes contaminants such as polysaccharides and polyphenols using specialized buffers, yielding pure rna suitable for downstream applications like rt-pcr, qpcr, and sequencing. the protocol is rapid and typically completed within 30-40 minutes , qiaquick pcr purification kit size: 250 preps qiaquick pcr purification kit is a silica column-based kit used for purification of pcr products, removing primers, nucleotides, enzymes, and salts. it enables recovery of dna fragments (≥100 bp) with high purity, making them suitable for sequencing, cloning, and labeling applications. the procedure is quick and does not require organic extraction. , takara la taq size: 250 unit takara la taq is a high-performance dna polymerase designed for long-range pcr, combining taq polymerase with a proofreading enzyme for enhanced fidelity and efficiency. it is capable of amplifying long dna fragments (up to ~20 kb or more) and functions optimally at standard pcr temperatures (extension ~68-72 °c). it is suitable for genomic dna amplification and complex templates. , takara taqtm size: 250 unit takara taq dna polymerase is a thermostable dna polymerase used for routine pcr amplification. it synthesizes dna in the 5′→3′ direction and possesses 5′→3′ exonuclease activity but lacks proofreading (3′→5′ exonuclease) activity. it performs optimally at 72 °c and is widely used for standard pcr, colony pcr, and dna amplification of moderate-length fragments.