Pay in installments of $30.88 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
High-Performance Liquid Chromatogr..(V2)The porphyrins, chlorophylls, bilins and related tetrapyrroles are vital for all living organisms. Natural and synthetic tetrapyrroles are used extensively in foods, cosmetics, biotechnology, pharmaceuticals, diagnostics and medicine. Methods for their separation and characterization therefore, have a very wide area of applications. Yet, there is a dearth of books dedicated to HPLC and HPLC MS of tetrapyrroles. Lim addresses this problem admirably by
The porphyrins, chlorophylls, bilins and related tetrapyrroles are vital for all living organisms. Natural and synthetic tetrapyrroles are used extensively in foods, cosmetics, biotechnology, pharmaceuticals, diagnostics and medicine. Methods for their separation and characterization therefore, have a very wide area of applications. Yet, there is a dearth of books dedicated to HPLC and HPLC/MS of tetrapyrroles. Lim addresses this problem admirably by providing practical HPLC and HPLC/MS protocols coupled with in-depth chromatographic and mass spectrometric reference data. These are invaluable in the analysis, identification and characterization of porphyrins, chlorophylls, bilins and other related compounds found in biological and clinical materials. HPLC method development and optimization for coupling to mass spectrometry are also described in rich detail. Sample preparation, and suggestions for avoiding procedural artifacts during extraction of clinical and biological samples are discussed. Clinical biochemists involved in biochemical diagnosis of human porphyrias will find this monograph assuredly helpful, as would analysts, biochemists and chemists involved in the separation, isolation and characterization of natural and synthetic tetrapyrroles. Undoubtedly, Lim has contributed a master-piece containing sufficient background material for beginners and up-to-date references for all researchers in the field.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 19 reviews
Sort
Product Reviews
★★★★★ 5
It Does the Job, but I Wasn’t Fully Impressed
Pattern Name: Light
The product does provide sun protection, and the packaging is practical for carrying in a purse or when traveling. Also, the light tint can be useful for anyone looking for a quick and simple option for the face.
However, in my experience, it was not a product that really stood out. The texture and finish may not work the same way for every skin type, and the tint may not look equally natural on everyone. I would not say it is bad, but it did not become one of my favorites.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
★★★★★ 5
lawless Protection with a Natural Glow: VGO Tinted Sunscreen Review
Pattern Name: Light
If you’re looking for a sunscreen that protects your skin while giving it a smooth, natural finish, the VGO Tinted Sunscreen is definitely worth trying. This product combines broad-spectrum SPF protection with a light tint that helps even out your skin tone without feeling heavy or greasy.
One of the standout features of this sunscreen is its lightweight texture. It blends easily into the skin, leaving no white cast, which is a common issue with many traditional sunscreens. The tint is subtle and flattering, making it a great choice for daily wear—even on no-makeup days.
It also works well under foundation, acting as a primer that smooths the skin and helps makeup last longer. People with sensitive or acne-prone skin will appreciate that it’s non-comedogenic and gentle, without irritating fragrances or harsh chemicals.
Overall, VGO Tinted Sunscreen offers a perfect balance between sun protection, skincare, and a touch of coverage. Whether you’re heading to the beach or running errands in the city, this multitasking product makes sun safety simple and stylish.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 22, 2025
★★★★★ 5
A great price for this quality!
Pattern Name: Light
This works great for fair skin and is easy to apply.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 16, 2026
★★★★★ 5
Great sun protection with great coverage that’s light on skin
Great coverage and sun protection. Feels light and soft on skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
★★★★★ 4
It is also nice on my face.
Pattern Name: Light
I did not order this for my face. I am an older leader and have very thin wrinkly skin on my arms. This lotion gives my arms a much nicer look and feel. I really like it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 24, 2026
recommand products
Supreme x Trasher Why Cant My BF Skate Black Tee
85.42
John Cougar Mellencamp - Scarecrow (LP, Album, Club, PRC) (Near Mint (NM or M-))
20.21
Travis Scott Birds Bonnaroo L/S Black Tee
116.29
John Campbell - After Hours (LP, Album) (Near Mint (NM or M-))
23.83
Saint Raphael the Archangel Candle 14oz
79.99